TWM449366U - Conductive terminal for large current and power connector having the conductive terminal - Google Patents

Description

Conductive terminal for high current and power connector having the same

The present invention relates to a conductive terminal, and more particularly to a conductive terminal for high current and a power connector having the conductive terminal.

Regarding the power connector, there has been known a product that is soldered to a circuit board at a right angle, including an insulating base body and a plurality of conductive terminals. The insulating seat system has a front side and a rear side, and the front side of the insulating base body While waiting for the plugged state, the circuit board is soldered to the rear side of the insulating base; further, a plurality of terminal slots are formed between the front and rear sides of the insulating base, and each of the conductive terminals is from the front side of the insulating base The terminal block is inserted into each of the terminal slots, and each of the plugged conductive terminals is soldered to the circuit board at a right angle to the portion exposed on the rear side of the insulating base.

Although the conventional power connector has the function of connecting a power source, since the power-conducting area of the conventional conductive terminal is not large enough, it is not suitable for a large current (the conventional conductive terminal can only work in a current environment of 8 to 10 amps), In an electronic device that must operate in a high current environment, the conventional power connector is unloaded and can be overheated and melted at any time.

Therefore, how to design a novel that can improve the above-mentioned conventional knowledge is a major topic that the creators of this case want to solve.

One of the purposes of the present invention is to provide a conductive terminal for high current and a power connector having the same, which increases the power-on area of the lead after each conductive terminal within a predetermined conductive terminal profile. In order to make these improved conductive terminals suitable for large currents.

The second object of the present invention is also to provide a conductive terminal for a large current and a power connector having the same, wherein the terminal slot of the insulating base is a rear-inserted terminal slot, so as to be able to match the improved The conductive terminals are combined such that the conductive terminals can be inserted into the rear plug-in terminal slots from the rear side of the insulating base body to form a power connector capable of applying a large current.

In order to achieve the above object, the present invention provides a high-current conductive terminal, comprising: a fixing portion; a leading pin connected to the front end of the fixing portion, the leading pin includes at least two elastic arms spaced apart from each other; And a rear guiding pin comprising an extending portion and at least two elastic pieces spaced apart from each other, the extending portion being connected between the rear end of the fixing portion and the at least two elastic pieces.

Compared with the prior art, the present invention has the following effects: it can be applied to high current operation by increasing the energization area of the trailing pin within a predetermined range of conductive terminal profiles.

To achieve one of the above purposes and the second purpose, the present invention provides a power connector for soldering to a circuit board, the power connector comprising: an insulating base body with a plurality of rear plug-in terminal slots; a plurality of conductive terminals are respectively inserted into the rear plug-in terminal slots from the rear side of the insulating base; each of the conductive terminals includes: a fixing portion; a leading pin connected to the front end of the fixing portion, the preamble The pin includes at least two elastic arms spaced apart from each other; and a rear guiding pin includes an extending portion and at least two elastic pieces spaced apart from each other, the extending portion being coupled to the rear end of the fixing portion and the at least two elastic pieces Between each of the conductive terminals, the front lead pins are inserted into each of the rear plug-in terminal slots.

Compared with the prior art, the present invention has the following effects: the terminal slot of the insulating base is a rear-inserted terminal slot for rear insertion, so as to be able to be combined with the conductive terminal of the present invention, so that the conductive terminal can be self-insulated The rear side of the base body is inserted into the rear plug-in terminal slot to form a power connector suitable for high current operation.

In order to further understand the features, features and technical contents of the present invention, please refer to the following detailed description of the present invention and the accompanying drawings, which are only for reference and description, and are not intended to limit the present invention.

The present invention provides a high-current conductive terminal and a power connector having the same, as shown in FIG. 5, for soldering to a circuit board 500, the power connector 100 includes: an insulating body 1 and most of the conductive terminals 2.

Referring to the first and second figures, a perspective view of the conductive terminal 2 and an exploded perspective view of the power connector 100 are shown. The insulating base 1 has a front side 12 and a rear side 13, and a plurality of rear plug-in terminal slots 11 are formed between the front and rear sides 12, 13 of the insulating base 1.

Each of the conductive terminals 2 includes: a fixing portion 21, a leading pin 22 and a rear guiding pin 23, wherein the fixing portion 21 is for fixing the conductive terminal 2 in the rear plug-in terminal slot 11; the leading pin 22 is connected to the front end of the fixing portion 21, and the rear guiding pin 23 is connected to the rear end of the fixing portion 21. The front guiding pin 22 includes at least two elastic arms 221 which are spaced apart from each other (including two elastic arms 221 as shown). The rear guide pin 23 includes an extending portion 231 and at least two elastic pieces 232 spaced apart from each other (including two elastic pieces 232 as shown). The following description will be made by taking two elastic arms 221 and two elastic pieces 232 as an example. But it is not limited to this. The extending portion 231 of the rear guiding pin 23 is connected between the rear end of the fixing portion 21 and the two elastic pieces 232 to increase the electric conduction area of the rear guiding pin 23 and simultaneously reduce the length of the notch 233.

In each of the conductive terminals 2, a long slit 222 is spaced between the two elastic arms 221 of the leading pin 22, and a gap 233 is formed between the two elastic pieces 232 of the rear guiding pin 23, and the length of the notch 233 is short. In the length of the long slit 222, in other words, within the range of the predetermined conductive terminal contour, the energizing area of the rear guiding pin 23 is increased as much as possible, so as to be applicable to the current of 10 to 13 amps (Ampere). It is larger than the 8~10 amp current that can only be applied by the conventional method, and the maximum durability current between the two differs to 3 amps.

Please refer to the partial cross-sectional view of the power connector 100 as shown in the third figure. Since the length of the notch 233 of the rear guiding pin 23 is not long enough, the conductive terminal 2 of the present invention cannot be inserted into the terminal slot from the front side 12 of the insulating base 1 toward the rear side 13 by the rear guiding leg 23, but must be The front lead pin 22 is inserted from the rear side 13 of the insulating base 1 toward the front side 12, and in order to cooperate with the limited plugging direction, the rear plug-in terminal slot 11 for rear insertion only is specially designed. Each of the conductive terminals 2 can be inserted into each of the rear plug-in terminal slots 11 with its leading pin 22 .

The rear plug-in terminal slot 11 of the insulating base 1 has at least one partition 111 (as shown in the third figure, there is a partition 111. Hereinafter, a partition 111 will be described as an example, but this is not When the conductive terminal 2 is inserted into the rear plug-in terminal slot 11 from the rear side 13 of the insulating base 1 toward the front side 12 with its leading pin 22, the long slit 222 of the conductive terminal 2 is subjected to the spacer 111. The plug-in terminal slot 11 is only for the conductive terminal 2 to be inserted from the rear side 13 toward the front side 12, and the plugged conductive terminal 2 is from the insulating base 1 The rear side 13 exposes the partial rear guide legs 23 to facilitate soldering.

Please refer to the fourth and fifth figures for the exploded view and the three-dimensional combination diagram of the power connector 100 soldered to a circuit board 500. The artificial power connector 100 is soldered to the circuit board 500 in a slotted manner. Therefore, the conductive terminals 2 are divided into an upper conductive terminal 2 and a lower conductive terminal 2 which are vertically symmetric with each other, and each upper layer is electrically conductive. The two elastic pieces 232 at the rear end of the terminal 2 and the two elastic pieces 232 at the rear end of each lower conductive terminal 2 are clamped and soldered to both sides of the circuit board 500, and are soldered to the conductive sheet 5 of the circuit board 500 as shown in the drawing. The two sides are respectively provided with a plurality of conductive sheets 5.

In addition, the rear-mounted terminal slots 11 of the insulating base 1 are of course also divided into upper-layer rear-inserted terminal slots 11 and lower-layer rear-inserted terminal slots 11 which are vertically symmetric with each other, and each upper conductive terminal 2 can be self-insulated. The rear side 13 of the body 1 is respectively inserted into each of the upper rear plug-in terminal slots 11, and each of the lower conductive terminals 2 can also be inserted into each of the lower rear plug-in terminal slots from the rear side 13 of the insulating base 1. 11.

In summary, the present invention has the following effects compared with the prior art: by connecting the extension portion 231 and the two elastic pieces 232, the lead of each conductive terminal 2 is increased within a predetermined range of the conductive terminal profile. The energized area of the pin 23 increases the overall power-on area of each of the conductive terminals 2, and the present conductive terminal 2 can be applied to a large current; the terminal slot of the insulating base 1 is only for post-insertion. The plug-in terminal slot 11 can be combined with the original conductive terminal 2 so that the conductive terminal 2 can be inserted into the rear-insertion terminal slot 11 from the rear side 13 of the insulating base 1 so that a high current can be applied. The author of this creative power connector 100.

In addition, the present invention has other effects as described below: by increasing the area of the rear lead pin 23, the effect of improving the structural strength is relatively less susceptible to distortion; The device 100 and the circuit board 500 are soldered and positioned in a staggered manner so that the contact area between each of the conductive terminals 2 and the circuit board 500 is larger than the contact angle of the right angle (Right Angle) solder used in the prior art. , thereby improving the continuity of the power supply.

The above is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patent of the creation, and the equivalent structural changes that are made by using the present specification and the contents of the schema are all included in the creation. Within the scope of the rights, it is given to Chen Ming.

100‧‧‧Power connector

1‧‧‧Insulated body

11‧‧‧ rear plug-in terminal slot

111‧‧‧Baffle

12‧‧‧ front side

13‧‧‧ Back side

2‧‧‧Electrical terminals

21‧‧‧ Fixed Department

22‧‧‧ Leading pin

221‧‧‧Bounce arm

222‧‧‧ long seams

23‧‧‧ rear guide pin

231‧‧‧Extension

232‧‧‧Shrap

233‧‧ ‧ gap

500‧‧‧ circuit board

5‧‧‧Conductor

The first figure is a perspective view of the conductive terminal of the creation.

The second figure is an exploded perspective view of the authored power connector.

The third figure is a partial cross-sectional view of the creation according to the second figure after combination.

The fourth figure is an exploded perspective view of the welding power connector and a circuit board.

The fifth figure is a perspective view of the creation according to the fourth figure after combination.

2‧‧‧Electrical terminals

21‧‧‧ Fixed Department

22‧‧‧ Leading pin

221‧‧‧Bounce arm

222‧‧‧ long seams

23‧‧‧ rear guide pin

231‧‧‧Extension

232‧‧‧Shrap

233‧‧ ‧ gap

Claims (9)

A conductive terminal for high current, comprising:
a fixed portion;
a leading pin connected to the front end of the fixing portion, the leading pin includes at least two elastic arms spaced apart from each other; and a rear guiding pin comprising an extending portion and at least two elastic pieces spaced side by side from each other, the extending portion Attached to the rear end of the fixing portion and the at least two elastic pieces. The conductive terminal for high current according to claim 1, wherein any two adjacent elastic arms of the leading pin are separated by a long slit, and a gap between any two adjacent elastic pieces of the rear guiding pin is spaced apart. The length of the notch is shorter than the length of the long slit. The conductive terminal for high current as described in claim 1 is suitable for currents of 10 to 13 amps. A power connector for soldering to a circuit board, the power connector comprising:
An insulative housing is provided with a plurality of rear plug-in terminal slots; and a plurality of conductive terminals are respectively inserted into the rear plug-in terminal slots from the rear side of the insulating base, each of the conductive terminals comprising:
Fixed part
a leading pin connected to the front end of the fixing portion, the leading pin includes at least two elastic arms spaced apart from each other; and a rear guiding pin, comprising an extending portion and at least two elastic pieces spaced side by side from each other, the extending portion is Connected between the rear end of the fixing portion and the at least two elastic pieces, each of the conductive terminals is inserted into each of the rear plug-in terminal slots by its leading pin. The power connector of claim 4, wherein any two adjacent elastic arms of the leading pin are separated by a long slit, and a gap between the adjacent two elastic pieces of the rear guiding pin is spaced apart, and the length of the notch is Far shorter than the length of the long slit. The power connector of claim 5, wherein each of the rear plug-in terminal slots of the insulating base has at least one partition, and each of the conductive terminals has a slit is received by each of the rear plug-in terminals The corresponding partition of the groove is inserted and blocked. The power connector of claim 4, wherein the conductive terminals are divided into an upper conductive terminal and a lower conductive terminal that are vertically symmetric with each other, and each of the upper conductive terminals is located at the rear end of the elastic piece and each of the lower layers is electrically conductive. The shrapnels with the terminals at the rear end are clamped and soldered to both sides of the circuit board. The power connector of claim 7, wherein the rear plug-in terminal slots of the insulating base are further divided into an upper rear plug-in terminal slot and a lower rear plug-in terminal slot symmetrical to each other, each of the upper layers being electrically conductive The terminal is respectively inserted into each of the upper rear plug-in terminal slots from the rear side of the insulating base, and each of the lower conductive terminals is also respectively inserted into each of the lower rear plug-in terminal slots from the rear side of the insulating base. . The power connector of claim 4, wherein each of the conductive terminals is suitable for a current of 10 to 13 amps.