TWM625197U - Electrical connector - Google Patents

Abstract

An electrical connector, comprising: an insulating body, the insulating body includes a first wall part, a second wall part and a slot; a plurality of first conductive terminals, the first conductive terminals are mounted on the insulating body along a first direction, and the first conductive terminals It includes a first tail; a plurality of second conductive terminals, the second conductive terminals are installed on the insulating body along the second direction, the second conductive terminal includes a second tail; the first tail and the second tail are respectively located at opposite ends of the insulating body. Compared with the prior art, in the present invention, the first conductive terminal and the second conductive terminal are installed on the insulating body along opposite directions, which is easy to install; in addition, the first tail portion and the second tail portion are respectively located opposite to the insulating body. The two ends of the connector reduce the deformation caused to the insulating body and improve the reliability of the electrical connector.

Description

electrical connector

The invention relates to an electrical connector, which belongs to the technical field of connectors.

This creation requires the priority of the Chinese patent application with the filing date of April 20, 2021 and the application number: 202120813745.5, the entire contents of which are incorporated into this creation by reference.

Conventional connectors (eg, input/output connectors) generally include an insulating body and a plurality of conductive terminals fixed to the insulating body. The insulating body includes a mating slot, and the conductive terminal includes a mating portion extending into the slot. With the continuous miniaturization of electronic products, in order to reduce the overall height of the product, the height of the connector is required to be designed to be lower, and the connector is usually connected to the circuit board by surface mount technique (SMT). Install. A connector with a lower height requires that the thickness of the insulating body be designed to be thinner, and the resulting problem is that when the conductive terminal is mounted on the insulating body, the insulating body is easily deformed. This deformation results in that the soldering feet of the conductive terminals cannot be kept coplanar, which is likely to cause virtual soldering, thereby affecting the reliability of the product.

The purpose of this creation is to provide an electrical connector that is easy to install and has high reliability.

In order to achieve this purpose, this creation adopts the following technical solutions: an electrical connector, which includes:

an insulating body, the insulating body includes a first wall portion, a second wall portion, and a slot between the first wall portion and the second wall portion;

a plurality of first conductive terminals, the first conductive terminals are mounted on the insulating body along a first direction, the first conductive terminals include a first tail portion and a first butt portion extending into the slot;

a plurality of second conductive terminals, the second conductive terminals are mounted on the insulating body along a second direction opposite to the first direction, the second conductive terminals include a second tail portion and a second butt portion extending into the slot;

The first tail portion and the second tail portion are respectively located at opposite ends of the insulating body.

As a further improved technical solution of the present invention, the first wall portion includes a first end and a plurality of first installation grooves penetrating the first end, the first installation grooves are used to at least partially accommodate the first conductive terminal; the second The wall is provided with a second end opposite to the first end and a plurality of second installation grooves penetrating the second end, the second installation grooves are used for at least partially receiving the second conductive terminal;

The first conductive terminal includes a first main body portion and a first elastic arm extending from the first main body portion, the first tail portion is formed by extending from the first main body portion, and the first abutting portion is located on the first elastic arm ;

The second conductive terminal includes a second main body portion and a second elastic arm extending from the second main body portion, the second tail portion is formed by extending from the second main body portion, and the second abutting portion is located on the second elastic arm ;

The first tail portion extends and protrudes from the first end along the second direction, and the second tail portion extends and protrudes from the second end along the first direction.

As a further improved technical solution of the present invention, the slot is used for accommodating the docking module, and the first docking portion and the second docking portion are used to jointly clamp the docking module and electrically connect with the docking module.

As a further improved technical solution of the present invention, the first conductive terminal includes first fixing parts located on both sides of the first main body part and extending integrally with the first main body part, and the thickness of the first fixing part is smaller than that of the first main body part. The thickness of the main body portion, the first fixing portion is clamped and fixed in the first installation groove.

As a further improved technical solution of the present invention, the first fixing portion is formed by stamping a part of the first conductive terminal.

As a further improved technical solution of the present invention, the first wall portion is provided with a fixing groove extending through the first wall portion along the first direction, and the second conductive terminal includes a second fixing portion integrally extending from the second main body portion , the second fixing portion extends along the second direction and is clamped and fixed in the fixing groove.

As a further improved technical solution of the present invention, the second fixing part is provided with a surface facing the The first surface of the second elastic arm and the second surface opposite to the first surface, the first surface includes a plurality of barbs that are clamped and fixed in the fixing groove, the second surface is flat, and the fixing groove is provided with an installation plane that is in contact with the second surface.

As a further improved technical solution of the present invention, the insulating body is provided with a mounting surface for mounting on the circuit board, the first tail portion and the second tail portion are coplanar with the mounting surface, and the first tail portion and the second tail portion are used for The surface is soldered to the circuit board.

As a further improved technical solution of the present invention, the insulating body includes a partition block at least partially located in the slot, and the partition block partitions the slot into a first slot and a second slot.

As a further improved technical solution of the present invention, the electrical connector is a card edge connector.

Compared with the prior art, the present invention is easy to install by installing the first conductive terminal and the second conductive terminal on the insulating body in opposite directions; in addition, the first tail portion and the second tail portion are respectively located in the insulating body. The opposite ends of the body can reduce the deformation of the insulating body and improve the reliability of the electrical connector.

1: The first conductive terminal

100: Electrical connector

11: The first main body

12: The first elastic arm

121: The first docking part

13: The first tail

14: The first fixed part

2: The second conductive terminal

200: circuit board

21: The second main body

22: Second elastic arm

221: Second docking part

23: Second tail

24: Second fixed part

241: First Surface

2411: Barb

242: Second Surface

3: Insulation body

30: Slot

300: Docking module

301: first slot

302: Second slot

31: The first wall

311: First End

312: The first installation slot

313: Fixed slot

3131: Mounting plane

32: Second wall

321: Second End

322: Second installation slot

33: Mounting surface

34: Separator Block

A-A: Line

B: The frame part in Figure 12

D1: first direction

D2: Second direction

FIG. 1 is a three-dimensional schematic diagram of the electrical connector of the present invention when it is installed on a circuit board and plugged with a docking module.

FIG. 2 is a partially exploded perspective view of FIG. 1 with the docking module separated.

FIG. 3 is an exploded perspective view of the electrical connector and circuit board of FIG. 2 .

FIG. 4 is an exploded perspective view of FIG. 3 from another angle.

FIG. 5 is a top view of the electrical connector of FIG. 3 .

6 is a partially exploded perspective view of the electrical connector of FIG. 3 with a first conductive terminal and a second conductive terminal separated.

FIG. 7 is a partially exploded perspective view of FIG. 6 from another angle.

FIG. 8 is a schematic perspective view of the first conductive terminal.

FIG. 9 is a perspective view of FIG. 8 from another angle.

FIG. 10 is a schematic perspective view of the second conductive terminal.

FIG. 11 is a schematic perspective view of FIG. 10 from another angle.

FIG. 12 is a schematic cross-sectional view along the line A-A in FIG. 1 .

FIG. 13 is a partial enlarged view of the frame portion B in FIG. 12 .

The exemplary embodiments of the present creation will be described in detail below with reference to the drawings. If plural specific embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the drawings, the same numerals in the different drawings represent the same or similar elements unless otherwise indicated. What is described in the following exemplary detailed description does not represent all implementations consistent with the present creation; rather, they are merely consistent with some aspects of the present creation as described in the scope of the patent application of the present creation Examples of devices, products and/or methods.

The terms used in this creation are only for the purpose of describing specific implementations, and are not intended to limit the protection scope of this creation. As used in the description of this creation and in the scope of the patent application, the singular forms "a," "the," or "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise.

It should be understood that words such as "first", "second" and similar words used in the description of this creation and the scope of the patent application do not indicate any order, quantity or importance, but are only used to distinguish the naming of features . Likewise, "a" or "an" and the like do not denote a quantitative limitation, but rather denote the presence of at least one. Unless otherwise specified, words such as "front", "back", "upper", "lower" and other similar words appearing in this creation are only for the convenience of description, and are not limited to a specific position or a spatial orientation. "Include" or "includes" and the like are an open-ended formulation, meaning that elements appearing before "including" or "including" encompass elements appearing after "including" or "including" and their equivalents, This does not exclude that elements appearing before "including" or "comprising" can also include other elements. If "plural" appears in this creation, its meaning refers to two or more.

Referring to FIGS. 1 to 4 , the present invention discloses an electrical connector 100 , which includes an insulating body 3 , a plurality of first conductive terminals 1 and a plurality of second conductive terminals 2 . In the embodiment illustrated in the present invention, the electrical connector 100 is a card edge connector, which is used to be mounted on the circuit board 200 and to be plugged with the docking module 300 to transmit data and/or access Power supply; the docking module 300 is an electronic card. Of course, in other embodiments, the electrical connector 100 can also be other types of connectors, which are used to be plugged with the mating connector. In an embodiment of the present invention, two opposite surfaces of the electronic card (for example, the upper surface and the lower surface) are respectively provided with a plurality of gold fingers, wherein the The gold finger is used for contacting the first conductive terminal 1 , and the gold finger on the upper surface is used for contacting the second conductive terminal 2 . The electronic card is also provided with a notch at the insertion end to prevent the electronic card from being inserted backwards. Since other structures of the electronic card are well known to those skilled in the art, they will not be repeated in this creation.

In the embodiment shown in the drawings, the first conductive terminal 1 and the second conductive terminal 2 are fixed to the circuit board 200 by surface soldering (SMT). This arrangement can reduce the integral height of the electrical connector 100 and the circuit board 200 , which is beneficial to realize the lightness and thinness of the electronic product.

Referring to FIGS. 3 to 7 , the insulating body 3 includes a first wall portion 31 (eg, a bottom wall), a second wall portion 32 (eg, a top wall), and the first wall portion 31 and the second wall portion Slot 30 between 32. The first wall portion 31 includes a first end 311 (eg, a front end) and a plurality of first installation grooves 312 extending through the first end 311 , and the first installation grooves 312 are used to at least partially accommodate the first conductive terminal 1 . The second wall portion 32 defines a second end 321 (eg, a rear end) opposite to the first end 311 and a plurality of second installation grooves 322 penetrating the second end 321 . Referring to FIG. 12 and FIG. 13 , in the embodiment illustrated in this creation, the first wall portion 31 is further provided with a fixing groove 313 penetrating the first wall portion 31 . The insulating body 3 is provided with a mounting surface 33 for mounting on the circuit board 200 . In the embodiment shown in the drawings, the installation surface 33 is the bottom surface of the first wall portion 31 .

The slot 30 is used to accommodate the docking module 300 . The insulating body 3 includes a partition block 34 at least partially located in the slot 30 , and the partition block 34 partitions the slot 30 into a first slot 301 and a second slot 302 . In the embodiment illustrated in the present invention, the widths of the first slot 301 and the second slot 302 are different, and the partition block 34 is used for matching with the notch of the electronic card to ensure that the electronic card can be correctly into the slot 30.

Referring to FIG. 6 , the first conductive terminal 1 is mounted on the insulating body 3 along a first direction D1 (eg, from front to back), and the second conductive terminal 2 is along a second direction opposite to the first direction D1 The insulator body 3 is mounted in a direction D2 (eg, from the rear to the front). With this arrangement, it is easy to realize the installation of the conductive terminal and is beneficial to improve the assembly efficiency.

Referring to FIG. 6 , FIG. 8 and FIG. 9 , the first conductive terminal 1 includes a first main body portion 11 , a first elastic arm 12 extending from the first main body portion 11 along the first direction D1 , and a self- The first tail portion 13 formed by the first main body portion 11 extending along the second direction D2. The first elastic arm 12 is provided with a first docking portion 121 for contacting with the docking module 300 . The first elastic arm 12 At least part of it is received in the first installation groove 312 . The first conductive terminal 1 further includes first fixing portions 14 located on both sides of the first main body portion 11 and extending integrally with the first main body portion 11 . The thickness of the first fixing portion 14 is smaller than the thickness of the first main body portion 11 . The first fixing portion 14 is clamped and fixed in the first installation slot 312 . Compared with the prior art, the present invention provides the thinned first fixing portion 14 , thereby reducing the impact on the first wall portion 31 when the first fixing portion 14 is assembled into the first installation groove 312 . impact, thereby reducing the risk of deformation of the first wall portion 31 . In the embodiment shown in the drawings, the first fixing portion 14 is formed by stamping a part of the first conductive terminal 1 , and this design is beneficial to reduce costs.

Referring to FIG. 7 , FIG. 10 and FIG. 11 , the second conductive terminal 2 includes a second body portion 21 , a second elastic arm 22 extending from the second body portion 21 along the second direction D2 , The second tail portion 23 formed by the second main body portion 21 extending along the first direction D1 and the second fixing portion 24 formed integrally extending from the second main body portion along the second direction D2. The second fixing portion 24 is located below the second elastic arm 22 . The second elastic arm 22 is at least partially received in the second installation slot 322 . The second elastic arm 22 is provided with a second docking portion 221 for contacting with the docking module 300 . Both the first docking portion 121 and the second docking portion 221 extend into the slot 30 to jointly clamp the docking module 300 and electrically connect with the docking module 300 . In the present invention, the first elastic arm 12 and the second elastic arm 22 having a certain elasticity can be provided, which can improve the clamping force of the docking module 300, which is beneficial to improve the reliability of docking.

The first tail portion 13 and the second tail portion 23 are respectively located at opposite ends of the insulating body 3 . The first tail portion 13 extends and protrudes from the first end 311 along the second direction D2, and the second tail portion 23 extends and protrudes from the second end 321 along the first direction D1. The first tail portion 13 and the second tail portion 23 are coplanar with the mounting surface 33 , and the first tail portion 13 and the second tail portion 23 are used for surface soldering to the circuit board 200 .

12 and FIG. 13 , the fixing groove 313 penetrates the first wall portion 31 along the first direction D1 , and the second fixing portion 24 is clamped and fixed in the fixing groove 313 along the second direction D2 . Referring to FIG. 10 and FIG. 11 , in the embodiment illustrated in this creation, the second fixing portion 24 is provided with a first surface 241 facing the second elastic arm 22 and a first surface 241 opposite to the first surface 241 . Two surfaces 242 . The first surface 241 includes a plurality of barbs 2411 which are clamped and fixed in the fixing groove 313 . The second surface 242 is flat, and the fixing groove 313 is disposed to be in contact with the second surface 242 The installation plane 3131 is combined; such arrangement is beneficial to maintain the coplanarity of the second tail portion 23 and improve the welding reliability.

Compared with the prior art, the present invention is easy to install by installing the first conductive terminal 1 and the second conductive terminal 2 on the insulating body 3 in opposite directions; in addition, by using the first tail portion 13 and the second tail portion 23 are respectively located at opposite ends of the insulating body 3 , which reduces the deformation of the insulating body 3 and improves the reliability of the electrical connector 100 .

The above embodiments are only used to illustrate the present creation and do not limit the technical solutions described in the present creation. The understanding of the present creation should be based on those skilled in the art, although this description has made detailed descriptions of the present creation with reference to the foregoing embodiments. Note, however, those of ordinary skill in the art should understand that those skilled in the art can still modify or equivalently replace this creation, and all technical solutions and improvements that do not depart from the spirit and scope of this creation shall be included in the This creation is within the scope of the patent application.

1: The first conductive terminal

2: The second conductive terminal

31: The first wall

311: First End

312: The first installation slot

32: Second wall

322: Second installation slot

D1: first direction

D2: Second direction

Claims (10)

An electrical connector comprising: an insulating body, the insulating body includes a first wall portion, a second wall portion, and a slot between the first wall portion and the second wall portion; a plurality of first conductive terminals, the first conductive terminals are mounted on the insulating body along a first direction, the first conductive terminals include a first tail portion and a first butt portion extending into the slot; a plurality of second conductive terminals, the second conductive terminals are mounted on the insulating body along a second direction opposite to the first direction, the second conductive terminals include a second tail portion and a second butt portion extending into the slot; The first tail portion and the second tail portion are respectively located at opposite ends of the insulating body. The electrical connector of claim 1, wherein: the first wall includes a first end and a plurality of first installation grooves penetrating the first end, the first installation grooves are used to at least partially accommodate the first conductive terminal ; The second wall is provided with a second end opposite to the first end and a plurality of second installation grooves penetrating through the second end, the second installation grooves are used to at least partially accommodate the second conductive terminal; The first conductive terminal includes a first body portion and a first elastic arm extending from the first body portion, the first tail portion is formed by extending from the first body portion, and the first butt portion is located on the first elastic arm ; The second conductive terminal includes a second main body portion and a second elastic arm extending from the second main body portion, the second tail portion is formed by extending from the second main body portion, and the second abutting portion is located on the second elastic arm ; The first tail portion extends and protrudes from the first end along the second direction, and the second tail portion extends and protrudes from the second end along the first direction. The electrical connector of claim 2, wherein: the slot is used to accommodate a docking module, the first docking portion and the second docking portion are used to jointly clamp the docking module and electrically connect with the docking module sexual connection. The electrical connector of claim 2, wherein: the first conductive terminal comprises first fixing parts located on both sides of the first main body part and extending integrally with the first main body part, the first fixing part The thickness of the fixed portion is smaller than the thickness of the first main body portion, and the first fixing portion is clamped and fixed in the first installation groove. The electrical connector of claim 4, wherein: the first fixing portion is formed by stamping a part of the first conductive terminal. The electrical connector of claim 2, wherein: the first wall portion is provided with a fixing groove extending through the first wall portion along the first direction, and the second conductive terminal comprises a The second fixing portion extends along the second direction and is clamped and fixed in the fixing groove. The electrical connector of claim 6, wherein: the second fixing portion is provided with a first surface facing the second elastic arm and a second surface opposite to the first surface, the first surface comprising a plurality of clamping For the barbs fixed in the fixing groove, the second surface is a plane, and the fixing groove is provided with an installation plane that fits with the second surface. The electrical connector of claim 1, wherein: the insulating body is provided with a mounting surface for mounting on a circuit board, the first tail portion and the second tail portion are coplanar with the mounting surface, and the first tail portion and the first tail portion are coplanar with the mounting surface. The two tails are used for surface soldering on the circuit board. The electrical connector of claim 1, wherein: the insulating body includes a partition block at least partially located in the slot, the partition block partitions the slot into a first slot and a second slot. The electrical connector according to any one of claims 1 to 9, wherein: the electrical connector is a card edge connector.

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