TWM481505U - Electrical connector - Google Patents

Description

Electrical connector

This creation relates to the field of electrical connections, and more particularly to an electrical connector mounted on a circuit board.

The electrical connector is a precision part, and the requirements for the mold and the process are very high during the manufacturing process. Generally, the electrical connector includes an insulating body and a plurality of conductive terminals held in the insulating body. The insulating body is generally provided with a terminal slot for holding the conductive terminal, and since the electrical connector is installed in a limited space in many cases On the printed circuit board (PCB), therefore, the size of the electrical connector itself is very high, small and light is the development trend of the electrical connector, but the smaller size will increase the difficulty of manufacturing the electrical connector, for example, When the conductive terminal group is installed in the insulating body, since the number of the conductive terminals is large and the arrangement is dense, a very precise pressing technique is required to accurately fit the conductive terminals into the terminal slots of the insulating body.

Taking a sinker type electrical connector as an example, a so-called sink type electrical connector means that a part of the electrical connector sinks below the mounting surface of the circuit board, thereby reducing the height of the electrical connector on the circuit board, and sinking The tail of the conductive terminal of the board type electrical connector usually needs to be bent before being soldered to the circuit board. The specific process is to first press the long strip terminal into the terminal slot of the insulating body by using a tool, and then use the jig. The tail of the terminal exposed outside the insulating body is bent. However, if the conductive terminals are arranged in parallel in a plurality of rows, the space is narrow, and the terminals of the adjacent rows are easily affected when the same row of terminals is bent. This method is greatly Affects production efficiency and product yield.

Therefore, it is necessary to provide a new electrical connector to solve the above technical problems.

One of the aims of the present invention is to provide an electrical connector which can effectively improve product production efficiency and product yield by improving the terminal structure.

In order to solve the above technical problems, the present invention adopts the following technical means: an electrical connector comprising an insulative housing and a conductive terminal received in the insulating body, the insulating body having a top wall, a bottom wall, a side wall and a top portion thereof a first abutting portion between the wall, the bottom wall and the side wall, the first abutting portion is provided with a plurality of terminal slots, the conductive terminal includes a plurality of signal terminals received in the terminal slots, and the sidewalls are located at the sidewalls The grounding terminal on the inner wall surface; the signal terminals are divided into upper and lower rows, and each signal terminal is provided with a contact arm and a tail portion extending from the end of the contact arm to the insulating body; the upper and lower two rows of signal terminals The contact arms are aligned one by one and the tails are staggered.

In the above-mentioned electrical connector, the top wall, the bottom wall and the side wall together form a docking chamber for accommodating the first abutting portion, and the insulating body further includes a second abutting portion received in the docking chamber; The docking portion and the second docking portion are arranged in a left and right arrangement.

In the above electrical connector, the first abutting portion is T-shaped, and is provided with a vertical portion and a horizontal portion; the terminal slots are located at a top surface and a bottom surface of the horizontal portion for respectively receiving the upper and lower rows a signal terminal; the vertical portion is provided with a narrow channel for accommodating the ground terminal on a side facing the second abutting portion.

In the above electrical connector, the second abutting portion is provided with a rectangular terminal hole and a guiding inclined surface and a groove on both sides of the rectangular terminal hole.

In the above electrical connector, the conductive terminal further includes a power terminal received in the recess and a detecting terminal received in the rectangular terminal hole.

In the above electrical connector, the power terminal, the detecting terminal and the grounding terminal are each provided with a U-shaped leg, and the detecting terminal is further provided with a pair of fork-shaped contact arms.

In the above electrical connector, the tail of the upper row of signal terminals extends from one side of the contact arm, and the tail of the lower row of signal terminals extends from the other side of the contact arm.

In the above-mentioned electrical connector, the electrical connector further includes a positioning block for positioning the tail of the signal terminal, and a shielding shell covering the insulating body, and the shielding wall is provided on the outer wall surface of the sidewall of the insulating body. Positioning slot.

Compared with the prior art, the present electrical connector is arranged such that the tails of the signal terminals are staggered so that the two rows of signal terminals do not affect each other when assembled into the insulating body, thereby ensuring sufficient configuration space, which can improve production efficiency and products. Yield.

As shown in FIG. 1 to FIG. 6 , the present invention provides an electrical connector 100 including an insulative housing 10 , a conductive terminal 20 received in the insulative housing 10 , a positioning block 30 for fixing the conductive terminal 20 , and The shielding case 40 of the insulating body 10 is covered. The electrical connector is a sinker type electrical connector, and is soldered to a bottom surface of a printed circuit board (not shown) through a terminal, and is used for abutting with a pair of electrical connectors (not shown) for electrical connection.

The insulative housing 10 extends longitudinally and is provided with a top wall 11 , a bottom wall 12 , two opposite side walls 13 , a rear wall connecting the two side walls 13 , and the top wall 11 , the bottom wall 12 and the side walls 13 . The first butt joint 14 and the second butt joint 15 are in between. The top wall 11, the bottom wall 12 and the side walls 13 together form a pair of interfaces 16 and a pair of connecting chambers 17, and the pair of interfaces 16 are mated to the mating end electrical connectors (not shown) and inserted into the docking chamber 17 Further, the outer wall surface of each of the side walls 13 is provided with a positioning groove 131 for holding the shielding case 40, and the inner wall surface of each of the side walls 13 is provided with a card groove 132. The first abutting portion 14 and the second abutting portion 15 are respectively disposed in the docking chamber 17, and are arranged in a left and right direction. The first butting portion 14 is T-shaped, that is, includes a vertical portion 141 and a horizontal portion. a plurality of terminal slots 143 are disposed on the top surface and the bottom surface of the horizontal portion 142 for receiving the conductive terminals 20; the second abutting portion 15 has a rectangular shape and has a rectangular terminal hole 151, and A guiding inclined surface 152 and a groove 153 penetrating through the rear wall of the insulating body 10 are disposed on both sides of the second abutting portion 15 .

The conductive terminal 20 includes a plurality of signal terminals 21 held on the first mating portion 14 , a detecting terminal 22 and a power terminal 23 fixed on the second mating portion 15 , and the two sidewalls 13 of the insulating body 10 . Ground terminal 24.

The signal terminals 21 are divided into two groups, which are respectively located in the terminal grooves 143 on the top surface and the bottom surface of the horizontal portion 142 of the first butting portion 14 to form upper and lower rows, wherein each of the signal terminals 21 has a strip shape. And a contact arm 211 disposed in the terminal slot 143 and a tail portion 212 extending from the end of the contact arm 211 to the rear wall of the insulative housing 10, the tail portion 212 being U-shaped and received in the positioning block 30 The positioning is achieved by the positioning block 30 to prevent the tail portion 212 from being displaced when soldered to the circuit board, resulting in inaccurate soldering position. In order to reduce the mutual influence of the upper and lower rows of signal terminals 21, the contact arms 211 of the upper and lower rows of signal terminals 21 of the electrical connector of the present embodiment are arranged next to each other, and the tail portion 212 of the signal terminal 21 is disposed. The staggered arrangement, that is, the tail portion 212 of the upper row of signal terminals B extends from one side of the contact arm 211, and the tail portion 212 of the lower row of signal terminals A extends from the other side of the contact arm 211, thus ensuring the upper row of signal terminals After the B group is installed in the insulative housing 10, there is still enough space for the lower row of signal terminals A to be mounted in the insulative housing 10, which does not affect the assembly of the lower row of signal terminals A. This design can greatly improve the production efficiency of the product. The yield of the product, thereby reducing the production cost of the product.

The detecting terminal 22 is received in the rectangular terminal hole 151 of the second mating portion 15 , and the power terminal 23 is respectively received in the recess 153 on both sides of the second mating portion 15 . The inner wall surface of the two side walls 13 of the insulative housing 10 is fixed. In addition, in order to achieve a better grounding effect, mutual interference between the first terminal portion 14 and the second terminal portion 15 on the conductive terminals 20 is prevented. A grounding terminal 24 is further disposed between the first butting portion 14 and the second butting portion 15. As shown in FIG. 2 and FIG. 4, the grounding terminal 24 is received on the side of the first butting portion 14. Inside the narrow channel 144. The detecting terminal 22, the power terminal 23, and the grounding terminal 24 each have a U-shaped leg portion 25 for soldering connection with the circuit board. The detecting terminal 22 is provided with a pair of fork-shaped contact arms 221 .

The shielding shell 40 is disposed on the insulative housing 10 and is provided with a latching portion 41 that is retained in the positioning slot 131 of the sidewall 13 of the insulative housing 10, and the shielding housing 40 is fixed to the circuit board. Soldering feet 42 on.

In summary, the electrical connector of the present embodiment is configured by staggering the tail portions 212 of the two rows of signal terminals 21, so that the two rows of terminals do not affect each other during the assembly process, thereby improving product production efficiency and reducing the efficiency of the product. The defect rate of the product.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person skilled in the art can use the method disclosed above without departing from the scope of the present technical means. The content makes many possible changes and modifications to the technical means of this creation, and all of them fall within the scope of protection of the patent application scope.

10‧‧‧Insulated body
11‧‧‧ top wall
12‧‧‧ bottom wall
13‧‧‧ side wall
131‧‧‧ positioning slot
132‧‧‧ card slot
14‧‧‧First docking department
141‧‧‧Vertical
142‧‧‧ horizontal department
143‧‧‧Terminal slot
144‧‧‧Slong and narrow channel
15‧‧‧Second docking
151‧‧‧ terminal hole
152‧‧‧ Guided slope
153‧‧‧ Groove
16‧‧‧Interface
17‧‧‧Docking room
20‧‧‧Electrical terminals
21‧‧‧ Signal Terminal
211‧‧‧Contact arm
212‧‧‧ tail
22‧‧‧Detection terminal
221‧‧‧Touch arm
23‧‧‧Power terminal
24‧‧‧ Grounding terminal
25‧‧‧U-legs
30‧‧‧ Positioning block
40‧‧‧Shaded housing
41‧‧‧Card Department
42‧‧‧welding feet
100‧‧‧Electrical connector
A‧‧‧low row signal terminal
B‧‧‧Upper signal terminal

Fig. 1 is a perspective view of the electrical connector of the present embodiment. Fig. 2 is an exploded view of the electrical connector of the present embodiment after the shield housing is removed. Fig. 3 is a schematic view showing the conductive terminals of the electrical connector of the present embodiment. Figure 4 is a longitudinal cross-sectional view of the electrical connector of the present embodiment. Fig. 5 is a bottom plan view of the electrical connector of the present embodiment. Figure 6 is a transverse cross-sectional view of the electrical connector of the present embodiment.

211‧‧‧Contact arm

212‧‧‧ tail

A‧‧‧low row signal terminal

B‧‧‧Upper signal terminal

Claims (8)

An electrical connector includes an insulating body and a conductive terminal received in the insulating body, wherein the insulating body is provided with a top wall, a bottom wall, a sidewall, and a first space between the top wall, the bottom wall and the sidewall a plurality of terminal slots, the conductive terminal includes a plurality of signal terminals received in the terminal slots, and a ground terminal on an inner wall surface of the sidewall; the signal terminals are divided into a plurality of terminal slots The upper and lower rows are provided, and each of the signal terminals is provided with a contact arm and a tail portion extending from the end of the contact arm; the contact arms of the upper and lower rows of signal terminals are aligned one by one, and the tail portions are staggered Settings. The electrical connector of claim 1, wherein the top wall, the bottom wall and the side wall together form a docking chamber for receiving the first butting portion, the insulating body further comprising a receiving chamber a second docking portion; the first docking portion and the second docking portion are arranged in a left and right arrangement. The electrical connector of claim 2, wherein the first abutting portion is T-shaped and is provided with a vertical portion and a horizontal portion; the terminal slots are located at a top surface and a bottom surface of the horizontal portion, respectively The upper and lower rows of signal terminals are received; the vertical portion is provided with a narrow channel for accommodating the grounding terminal on a side facing the second abutting portion. The electrical connector of claim 2, wherein the second abutting portion is provided with a rectangular terminal hole and a guiding slope and a groove on both sides of the rectangular terminal hole. The electrical connector of claim 4, wherein the conductive terminal further comprises a power terminal received in the recess and a detecting terminal received in the rectangular terminal hole. The electrical connector of claim 5, wherein the power terminal, the detecting terminal and the grounding terminal are each provided with a U-shaped leg, and the detecting terminal is further provided with a pair of fork-shaped contact arms. The electrical connector of any one of clauses 1 to 6, wherein the tail of the upper row of signal terminals extends from one side of the contact arm, and the tail of the lower row of signal terminals is from the other of the contact arms. One side extends out. The electrical connector of claim 7, wherein the electrical connector further comprises a positioning block for positioning the tail of the signal terminal, and a shielding shell covering the insulating body, the outer wall of the side wall of the insulating body is provided There is a positioning groove for holding the shielding case.