CN217562867U - Electrical connector - Google Patents

Abstract

The utility model provides an electric connector, it includes insulator and a plurality of conductive terminal, insulator has a plurality of terminal grooves that extend along the fore-and-aft direction, conductive terminal accept in corresponding in the terminal groove, insulator includes power transmission portion and is located the signal transmission portion of power transmission portion one side on the direction of height, conductive terminal include a plurality of arrange in power transmission portion's power supply terminal and a plurality of arrange in the signal terminal of signal transmission portion. The utility model discloses electric connector simple structure just can transmit power signal and data signal simultaneously.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector.

Background

The traditional electric connector comprises an insulating body and a plurality of conductive terminals fixed in the insulating body, wherein the conductive terminals are used for transmitting power, when data signals need to be transmitted simultaneously, for example, when the conductive terminals are used for connecting a display adapter, an additional connector is needed for transmission, and the product structure and the installation are complex.

In view of the above, there is a need for an improved electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector that simple structure just can transmit power signal and data signal simultaneously.

In order to realize the above object, the utility model provides an electric connector, it includes insulator and a plurality of conductive terminal, insulator has a plurality of terminal grooves that extend along the fore-and-aft direction, conductive terminal accept in corresponding in the terminal groove, insulator includes power transmission portion and is located the signal transmission portion of power transmission portion one side on the direction of height, conductive terminal include a plurality of arrange in power transmission portion's power supply terminal and a plurality of arrange in signal transmission portion's signal terminal.

As a further improvement of the present invention, the signal transmission portion is located under the power transmission portion, and the width thereof in the transverse direction is smaller than the width of the power transmission portion in the transverse direction.

As a further improvement of the present invention, the signal transmission unit has a rectangular shape extending in the transverse direction and a plurality of signal terminal grooves extending in the front-rear direction for accommodating corresponding signal terminals, and the center of each signal terminal groove is located at the upper side of the center of the signal transmission unit.

As a further improvement of the present invention, the signal terminal is assembled forward from the back to the rear of the insulator, the power terminal is inserted forward from the rear to the insulator.

As a further improvement, the insulator has a base portion and a power transmission portion extending forward from the base portion to form, the power transmission portion is provided with a plurality of butt columns arranged in an array, the signal transmission portion and the butt columns adjacent to the signal transmission portion are arranged at intervals in the height direction, and the outer peripheral surface of the butt columns is provided with a gap portion at the corner position.

As a further improvement of the present invention, each of the signal terminals has a pair of elastic contact arms disposed oppositely and a protection wall located at the front side of the pair of contact arms, and the protection wall has a socket for inserting the mating terminal.

As a further improvement of the present invention, the front end of each of the contact arms is a free end, and the protective wall and the pair of contact arms are provided at an interval in the front-rear direction and have at least three connected wall portions.

As a further improvement of the present invention, each of the signal terminals further has a linking wall connecting the rear end of the protective wall and the bottom ends of the pair of contact arms, a holding arm and a bending arm located at the rear side of the contact arms, and the linking wall is provided with reinforcing ribs extending in the front-rear direction.

As a further improvement of the present invention, the signal transmission portion is formed by downwardly projecting the lower surface of the power transmission portion, and has a signal transmission chamber opened forward.

As the utility model discloses a further improvement, each conductive terminal includes the fixed part, certainly the fixed part is preceding the extension of contact arm and is located fixed part rear side and perpendicular to the leg that the contact arm set up, the fixed part of power supply terminal is along the flat-plate-like size that extends of vertical direction so that it is greater than the size in the transverse direction in the ascending size of direction of height, the fixed part of signal terminal is along the flat-plate-like of horizontal direction extension.

As a further improvement of the present invention, the power terminals are divided into at least two rows located at different heights, the signal terminals are assembled from the back forward in the rear of the insulator, and the power terminals located on the same row are inserted from the back forward to the insulator, and are located on different rows the power terminals are inserted according to the sequence of the first and the second.

As the utility model discloses a further improvement, the fixed part of power supply terminal is including the section of increasing that is located the interference section of front side and is located the rear side, the interference section is formed with first barb respectively in its ascending both sides of direction of height, interfere the section with the connection position formation face that increases the section is to the step face that sets up to the place ahead.

The utility model discloses the electric connector sets up signal transmission portion through one side in the direction of height at power transmission portion to not only can realize traditional power connector transmission power signal's function, can also realize transmitting data signal's function, simple structure, preparation and installation are more convenient, also more save the installation space in the product.

Drawings

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

Fig. 2-4 are views of the plug connector of fig. 1 from another perspective.

Fig. 5 is a perspective view of one embodiment of signal terminals in the plug connector of fig. 1.

Fig. 6 is a view of the signal terminal shown in fig. 5 from another perspective.

Fig. 7 is a perspective view of another embodiment of signal terminals in the plug connector of fig. 1.

Fig. 8 is a perspective view of the power terminals in the plug connector of fig. 1.

Fig. 9 is a perspective view of the electrical connector of the present invention as a receptacle connector.

Fig. 10 is a view of the receptacle connector of fig. 9 from another perspective.

Fig. 11 is a perspective view of the power terminals in the receptacle connector shown in fig. 9.

Fig. 12 is a perspective view of signal terminals in the receptacle connector shown in fig. 9.

Fig. 13 is a cross-sectional view of the receptacle connector shown in fig. 9.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 13, an electrical connector according to a preferred embodiment of the present invention is shown, wherein the electrical connector can be a plug connector 100 as shown in fig. 1 to 8, or a socket connector 200 as shown in fig. 9 to 13, the plug connector 100 is used for connecting with a cable (not shown), and the socket connector 200 is used for being mounted on an external circuit board (not shown). When features common to the plug connector 100 and the receptacle connector 200 are described below, they will be collectively referred to as an electrical connector; when describing the distinguishing features of the plug connector 100 and the receptacle connector 200, the description will be given by their names.

The electric connector comprises an insulating body 1 and a plurality of conductive terminals 2, wherein the insulating body 1 is provided with a plurality of terminal grooves 11 extending along the front-back direction, and the conductive terminals 2 are accommodated in the corresponding terminal grooves 11.

The insulating body 1 comprises a power transmission part 12 and a signal transmission part 13 located on one side of the power transmission part 12 in the height direction, and the conductive terminals 2 comprise a plurality of power terminals 21 arranged in the power transmission part 12 and a plurality of signal terminals 22 arranged in the signal transmission part 13.

The signal transmission section 13 is located directly below the power transmission section 12, and has a width in the lateral direction smaller than that of the power transmission section 12. The power transmission section 12 has a plurality of power terminal grooves 112 extending in the front-rear direction to receive the power terminals 21. The signal transmission portion 13 has a rectangular shape extending in the lateral direction, and has a plurality of signal terminal grooves 113 extending in the front-rear direction to receive the corresponding signal terminals 22.

As shown in fig. 2 and 10, the center height of the signal terminal groove 113 is located at the upper side of the center height of the signal transmission part 13, specifically, a distance h1 from the horizontal center plane of the signal terminal groove 113 to the lower surface of the insulating main body 1 is greater than a distance h2 from the signal transmission part 13 to the lower surface of the insulating main body 1, that is, the signal terminal groove 113 is offset from the upper half of the signal transmission part 13.

When the conductive terminal 2 is assembled, the signal terminal 22 is assembled to the insulating body 1 from the rear to the front, and the power terminal 21 is inserted to the insulating body 1 from the rear to the front.

The distinguishing features of the plug connector 100 and the receptacle connector 200 are separately described below, specifically, referring to fig. 1 to 8, in the plug connector 100 of the present invention, the insulating body 1 has a base portion 14 and a power transmission portion 12 formed by extending forward from the base portion 14, the power transmission portion 12 is provided with a plurality of docking posts 121 arranged in an array, and the signal transmission portion 13 and the docking posts 121 disposed adjacent to the signal transmission portion are spaced apart from each other in the height direction.

In the illustrated embodiment of the present invention, the power transmission portion 12 has two rows of docking posts 121 spaced apart from each other in the height direction, and the signal transmission portion 13 and the docking posts 121 located in the lower row are adjacent to each other in the height direction and spaced apart from each other; in other embodiments of the present invention, the docking posts 121 may also be arranged in one row, three rows or even more rows in the height direction.

Further, as shown in fig. 1 and 2, a part of the outer circumferential surface of the docking post 121 is provided with a notch 1211 at a corner position thereof, and the notch 1211 is disposed at a lower side of the corresponding docking post 121, that is, a side close to the signal transmission part 13.

After the signal terminals 22 of the plug connector 100 are fitted into the corresponding signal terminal slots 113 of the signal transmission section 13, the power terminals 21 are fitted into the corresponding mating posts 121 of the power transmission section 12.

For convenience of description, hereinafter, the conductive terminals 2 of the plug connector 100 are referred to as conductive terminals 2a, the conductive terminals 2 of the receptacle connector 200 are referred to as 2b, and fig. 5 and 6 show that, in an embodiment of the signal terminals 22 of the plug connector 100 of the present invention, each of the signal terminals 22 has a pair of elastic contact arms 201 disposed opposite to each other and a protection wall 202 located in front of the pair of contact arms 201, and the protection wall 202 has a socket 2020 for inserting the mating terminal (i.e. the conductive terminal 2b of the receptacle connector 200).

The front end of each contact arm 201 is a free end, and the protective wall 202 and the pair of contact arms 21 are arranged at intervals in the front-rear direction and have at least three connected wall portions 2021. In one embodiment of the signal terminal 22, as shown in fig. 5, the protection wall 202 has a U-shaped structure with three wall portions and an open upper side; in another embodiment of the signal terminal 22, as shown in fig. 7, the protective wall 202 has a frame-shaped structure with four wall portions 2021.

Each signal terminal 22 further has a connecting wall 203 connecting the rear end of the protective wall 202 with the bottom ends of the pair of contact arms 201, a holding arm 204 and a bending arm 205 located at the rear side of the contact arms 201, and the connecting wall 203 is provided with a reinforcing rib 2031 extending in the front-rear direction.

The power terminal 21 of the plug connector 100 includes a pair of elastic contact arms 201 disposed oppositely, a pair of supporting arms 204 disposed oppositely and behind the pair of contact arms 201, and a pair of bending arms 205 disposed oppositely and behind the pair of supporting arms 204, wherein the front end of each contact arm 201 is a fixed end, and the rear end is a free end. The front end of each of the supporting arms 204 is a fixed end, the rear end is a free end, the free ends of the pair of supporting arms 204 are opened and extended outward in a direction away from each other, and the pair of bending arms 205 are extended in a direction away from each other.

In addition, the top of the insulating housing 1 is provided with a resilient latch arm 15 for latching with a mating connector (socket connector 200).

Referring to fig. 9 to 13, in the receptacle connector 200, the signal transmission portion 13 is formed to protrude downward from the lower surface of the power transmission portion 12, and has a signal transmission cavity 130 opened forward.

Each of the conductive terminals 2b includes a fixing portion 206, a contact arm 201 extending forward from the fixing portion 206, and a solder leg 207 disposed at a rear side of the fixing portion 206 and perpendicular to the contact arm 201. The contact arms 201 of the signal terminals 22 of the receptacle connector 200 extend forward and protrude into the signal transmission cavities 130. A pair of contact arms 201 of each conductive terminal 2a of the plug connector 100 are clamped to two sides of the contact arms 201 of the corresponding conductive terminal 2b of the receptacle connector 200.

Meanwhile, the fixing portion 206 of the power terminal 21 in the conductive terminal 2b has a flat plate shape extending in the vertical direction so that its dimension in the height direction is larger than that in the lateral direction, and the fixing portion 206 of the signal terminal 22 has a flat plate shape extending in the horizontal direction. Further, the fixing portion 206 of the power terminal 21 is a plate-shaped structure formed by stamping.

The power terminals 21 are divided into at least two rows located at different heights, each of the power terminals 21 is L-shaped as a whole, and the lower row power terminals 21 are located inside an inner space defined by the bending of the upper row power terminals 21 so as to be surrounded by the upper row power terminals 21 at both sides. After the signal terminals 22 are assembled in the insulating housing 1 from back to front, the power terminals 21 in the same row are inserted into the insulating housing 1 from back to front together, and the power terminals 21 in different rows are inserted in the order of first from bottom to top, that is, the power terminals 21 in the lower row are first inserted into the insulating housing 1, and the power terminals 21 in the upper row are then inserted into the insulating housing 1.

The fixing portion 206 of the power terminal 21 includes an interference section 2061 located at the front side and a heightened section 2062 located at the rear side, the interference section 2061 is respectively formed with first barbs 2063 at two sides in the height direction thereof, and the connection position of the interference section 2061 and the heightened section 2062 forms a step surface 2064 arranged in the forward direction. The projection of the interference segment 2061 on the abutting surface 10 of the insulating body 1 is located inside the projection of the elevated segment 2062 on the abutting surface 10.

The fixing portion 206 of the signal terminal 22 has a pair of extending portions 2065 symmetrically disposed and second barbs 2066 respectively disposed at two sides in the transverse direction, the signal terminal 22 further has a bending portion 2067 located between the pair of extending portions 2065 in the transverse direction, and the bending portion 2067 is formed by tearing upward from the fixing portion 206.

The housing 1 further has a latch 16 at the top thereof for latching with the plug connector 100, and the latch 16 is latched by the latch arm 15 when the plug connector 100 is mated with the receptacle connector 200.

The utility model discloses electric connector sets up signal transmission portion 13 through 12 one sides in the direction of height in power transmission portion to not only can realize traditional power connector transmission power signal's function, can also realize transmitting data signal's function, simple structure, preparation and installation are more convenient, also more save the installation space in the product.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (12)

1. An electric connector, it includes insulator and a plurality of conductive terminal, the insulator has a plurality of terminal grooves that extend along the fore-and-aft direction, conductive terminal accept in corresponding in the terminal groove, its characterized in that: the insulating body comprises a power transmission part and a signal transmission part, the signal transmission part is positioned on one side of the power transmission part in the height direction, and the conductive terminals comprise a plurality of power terminals arranged in the power transmission part and a plurality of signal terminals arranged in the signal transmission part.

2. The electrical connector of claim 1, wherein: the signal transmission part is located right below the power transmission part, and the width of the signal transmission part in the transverse direction is smaller than that of the power transmission part in the transverse direction.

3. The electrical connector of claim 2, wherein: the signal transmission part is rectangular and extends along the transverse direction, and is provided with a plurality of signal terminal grooves which extend along the front-back direction to accommodate corresponding signal terminals, and the center height of each signal terminal groove is positioned on the upper side of the center height of the signal transmission part.

4. The electrical connector of claim 1, wherein: the signal terminal is assembled to the insulating body from back to front, and the power terminal is inserted to the insulating body from back to front.

5. The electrical connector of claim 1, wherein: the insulation body is provided with a base part and a power transmission part formed by extending forwards from the base part, the power transmission part is provided with a plurality of butt-joint columns which are arranged in an array mode, the signal transmission part and the butt-joint columns which are arranged adjacent to the signal transmission part are arranged at intervals in the height direction, and partial outer peripheral surfaces of the butt-joint columns are provided with notches at the corner positions of the partial outer peripheral surfaces.

6. The electrical connector of any one of claims 1 to 5, wherein: each signal terminal is provided with a pair of elastic contact arms which are oppositely arranged and a protective wall which is positioned at the front side of the pair of contact arms, and the protective wall is provided with a plug-in port for inserting the butt-joint terminal.

7. The electrical connector of claim 6, wherein: the front end of each contact arm is a free end, and the protective wall and the pair of contact arms are arranged at intervals in the front-back direction and at least provided with three connected wall parts.

8. The electrical connector of claim 6, wherein: each signal terminal is also provided with a connecting wall for connecting the rear end of the protective wall with the bottom ends of the contact arms, a propping arm and a bending arm which are positioned at the rear side of the contact arms, and the connecting wall is provided with a reinforcing rib which extends along the front-rear direction.

9. The electrical connector of any one of claims 1 to 4, wherein: the signal transmission part is formed by downwards protruding from the lower surface of the power transmission part and is provided with a signal transmission cavity which is arranged in a forward opening mode.

10. The electrical connector of claim 9, wherein: each conductive terminal comprises a fixing part, a contact arm extending forwards from the fixing part and a welding leg which is positioned at the rear side of the fixing part and is perpendicular to the contact arm, the fixing part of the power terminal is in a flat plate shape extending along the vertical direction so that the size of the fixing part in the height direction is larger than that of the fixing part in the transverse direction, and the fixing part of the signal terminal is in a flat plate shape extending along the horizontal direction.

11. The electrical connector of claim 9, wherein: the power terminals are divided into at least two rows at different heights, the signal terminals are assembled in the insulating body from back to front, the power terminals in the same row are inserted into the insulating body from back to front together, and the power terminals in different rows are inserted in the sequence from bottom to top.

12. The electrical connector of claim 9, wherein: the fixed part of power supply terminal is including the interference section that is located the front side and the section of heightening that is located the rear side, the both sides of interfering the section in its direction of height are formed with first barb respectively, interfere the section with the junction formation face that increases the section is to the step face that sets up forward.

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