TWI531125B - Power connector - Google Patents

Description

Power connector

The invention relates to a power connector, and more particularly to a power connector mounted on a circuit board.

With the rapid development of electronic technology, power connectors are widely used in electronic products to exchange information, data, and the like with external devices. The power connector generally includes an insulative housing and terminals received in the insulative housing. The soldering legs of the aforementioned terminals extend from the insulating body to be soldered to the circuit board.

In order to meet the requirements of stable transmission signal and high transmission efficiency of electronic products, it is necessary to ensure that the connection stability of the power connector is strong. However, the contact arm of the female terminal of the existing power connector has a small elastic deformation range, so that when the male terminal is thickened and the docking time is long, the mother terminal is connected to the male terminal of the mating connector, and the mating time is long. The contact arm of the terminal is more susceptible to deformation, which in turn affects the transmission of the signal.

In view of this, it is necessary to further improve the existing power connector to solve the above problems.

It is an object of the present invention to provide a power supply terminal having a large elastic range and being suitable for a butt terminal of various thicknesses.

In order to achieve the above object, the present invention relates to a power supply terminal including a fixed arm and a contact arm extending from one end of the fixed arm in a reversely bent manner. The fixed arm is provided with a spring arm protruding toward the contact arm, and the elastic arm An abutting portion is disposed between the contact arm and the fixed arm, and the contact arm includes a contact portion extending from the fixed arm to abut the pair of terminals and extending from the end of the contact portion toward the fixed arm The connecting portion is located between the fixing arm and the abutting portion.

As a further improvement of the present invention, the power terminal further includes a solder portion extending outward from the other end of the fixed arm.

As a further improvement of the present invention, the power terminal includes two opposite fixed arms and a connecting arm connecting the other ends of the two fixed arms, so that the power terminal has a substantially U-shaped cross section.

As a further improvement of the present invention, the power terminal further includes a solder portion extending outward from one end of the connecting arm.

Another object of the present invention is to provide a power connector. The power terminal of the power connector has a large elastic range, and is suitable for a plurality of thickness mating terminals, which is convenient for docking and has good stability.

The power supply connector includes: an abutting wall and a receiving groove recessed inwardly from the mating wall; and a power terminal, wherein the power terminal is received in the receiving slot; The power terminal includes a fixed arm fixed in the receiving groove and a contact arm extending from one end of the fixed arm. The fixed arm is disposed facing the contact arm. a protruding arm, wherein the elastic arm is provided with an abutting portion between the contact arm and the fixed arm, and the contact arm includes a contact portion extending from the fixing arm to abut the pair of terminals and from the end of the contact portion The abutting portion extending in the direction of the fixed arm is located between the fixed arm and the abutting portion.

As a further improvement of the present invention, the insulative housing further includes a mounting wall disposed opposite the abutting wall, and the power terminal further includes a soldering portion extending from the other end of the fixing arm beyond the mounting wall.

As a further improvement of the present invention, the power terminal includes two opposite fixed arms and a connecting arm connecting the other ends of the two fixed arms, so that the power terminal has a substantially U-shaped cross section.

As a further improvement of the present invention, the insulative housing further includes a bottom wall disposed perpendicularly to the mating wall, and the power terminal further includes a soldering portion extending from one end of the connecting arm beyond the bottom wall.

The power connector of the present invention is provided with a contact arm extending in a reverse direction from one end of the fixed arm on the power terminal, and the fixed arm is provided with a spring arm protruding toward the contact arm, and the elastic arm is disposed on the foregoing The top of the contact arm and the fixed arm, so that the power terminal has a large elastic range, and is suitable for a plurality of thickness of the butt terminal, and further, the power connector of the present invention not only docks when docked with the docking connector Convenient and good stability.

100‧‧‧Power connector

10‧‧‧Insulated body

11‧‧‧Docking wall

12‧‧‧Installation wall

13‧‧‧ top wall

14‧‧‧ bottom wall

15‧‧‧ side wall

16‧‧‧ Reception trough

17‧‧‧Baffle

18‧‧‧ chute

19‧‧‧Limited slot

20‧‧‧Power terminal

21‧‧‧Fixed Arm

211‧‧‧Bounce arm

2111‧‧‧ arrive at the top

212‧‧‧ barbed

22‧‧‧Contact arm

221‧‧‧Contacts

222‧‧‧Apartment

23‧‧‧Connecting arm

24‧‧‧Weld Department

200‧‧‧Dock connector

201‧‧‧ docking terminal

The first figure is a perspective view of the state in which the power connector of the present invention is docked with the docking connector.

The second figure is a perspective view of the power connector of the present invention.

The third figure is an exploded view of the power connector shown in the second figure.

The fourth figure is a perspective view of the insulative body shown in the third figure.

The fifth figure is another perspective view of the insulating body shown in the fourth figure.

Fig. 6 is a perspective view showing a first embodiment of the power supply terminal shown in the third figure.

The seventh drawing is another perspective view of the power terminal shown in the sixth figure.

Figure 8 is a perspective view showing a second embodiment of the power terminal shown in the third figure.

Referring to the first figure, the power connector 100 of the present invention is used for soldering to a circuit board (not shown) and can be mated with the mating connector 200. The power connector 100 includes an insulative housing 10 and a plurality of power terminals 20 received in the insulative housing 10 .

As shown in the second to fifth figures, the insulative housing 10 includes a mating wall 11 , four side walls disposed adjacent to the mating wall 11 , and a mounting wall 12 disposed opposite the mating wall 11 . The four side walls are respectively a top wall 13, a bottom wall 14 disposed opposite the top wall 13, and two side walls 15 connecting the top wall 13 and the bottom wall 14.

A receiving groove 16 for receiving the power terminal 20 is defined in the insulative housing 10, and the receiving groove 16 is recessed from the mating wall 11 toward the mounting wall 12, and penetrates the insulative housing 10 forward and backward. The insulative housing 10 is further provided with a baffle 17 protruding from the inner side wall of the receiving slot 16, the baffle 17 extending along the longitudinal direction of the insulative housing 10, and the baffle 17 being connected to the mating wall 11.

The storage tank 16 is further provided with a sliding groove 18 recessed inwardly from the upper and lower surfaces thereof, and the sliding groove 18 is formed to be recessed from the mounting wall 12 toward the abutting wall 11. The foregoing The insulative housing 10 is further provided with a limiting slot 19 recessed downwardly from the lower surface of the receiving slot 16 . The limiting slot 19 is recessed from the mating wall 11 toward the mounting wall 12 and is used to limit the mating connector 200 . The length of the limiting slot 19 in the longitudinal direction of the insulative housing 10 is equal to the distance between the two oppositely disposed baffles 17.

Referring to the third figure, the power terminal 20 is received in the receiving groove 16 . There may be two implementations of the power supply terminal 20 described above, and the two embodiments will be described in detail below.

Please refer to the sixth and seventh figures, and the third embodiment is a perspective view of the first embodiment of the power terminal 20. The power terminal 20 includes a fixed arm 21 fixed in the receiving groove 16 and a contact arm 22 extending in a reverse direction from one end of the fixed arm 21. The width of the contact arm 22 is smaller than the width of the aforementioned fixed arm 21. The fixed arm 21 is provided with an elastic arm 211 protruding toward the contact arm 22, and the elastic arm 211 is provided with an abutting portion 2111 between the contact arm 22 and the fixed arm 21.

The contact arm 22 includes a contact portion 221 extending from the fixing arm 21 to abut against the mating terminal 201 of the mating connector 200, and an abutting portion 222 extending from the end of the contact portion 221 toward the fixing arm 21, and the abutting portion 222 The top portion 2111 is located between the aforementioned fixed arm 21 and the aforementioned abutting portion 222.

In the embodiment, the power terminal 20 includes two opposite fixed arms 21 and a contact arm 22 and a connecting arm 23 connecting the other ends of the two fixed arms 21, so that the power terminal 20 has a substantially U-shaped cross section. . The power terminal 20 further includes a soldering portion 24 extending outward from one end of the connecting arm 23, and the soldering portion 24 extends from one end of the connecting arm 23 beyond the bottom wall 14 to facilitate soldering to the circuit board.

The two sides of the fixed arm 21 are respectively disposed in the sliding slot 18, and the two sides of the fixed arm 21 are respectively provided with barbs 212, and the two contact arms 22 respectively abut the two baffles 17 and The elastic protrusion protrudes into the receiving groove 16 , so that the power supply terminal 20 can be stably restrained by the receiving groove 16 by the cooperation of the barb 212 and the sliding groove 18 and the engagement of the contact arm 22 with the baffle 17 . Inside.

Referring to the eighth embodiment and in conjunction with the third figure, a perspective view of a second embodiment of the power terminal 20. The power terminal 20 includes a fixed arm 21 fixed in the receiving groove 16 and a contact arm 22 extending in a reverse direction from one end of the fixed arm 21. The width of the contact arm 22 is smaller than the width of the aforementioned fixed arm 21. The fixed arm 21 is provided with an elastic arm 211 protruding toward the contact arm 22, and the elastic arm 211 is provided with an abutting portion 2111 between the contact arm 22 and the fixed arm 21.

The contact arm 22 includes a contact portion 221 extending from the fixing arm 21 to abut against the mating terminal 201 of the mating connector 200, and an abutting portion 222 extending from the end of the contact portion 221 toward the fixing arm 21, and the abutting portion 222 The top portion 2111 is located between the aforementioned fixed arm 21 and the aforementioned abutting portion 222.

In the present embodiment, the power terminal 20 includes one of the fixed arm 21 and one of the contact arms 22 and a soldering portion 24 extending outward from the other end of the fixed arm 21. The soldering portion 24 is connected to the fixing arm 21 to form a flat plate shape, and the soldering portion 24 extends from the other end of the fixing arm 21 beyond the mounting wall 12 to facilitate soldering to the circuit board.

The two sides of the fixed arm 21 are respectively disposed in the sliding slot 18, and the two sides of the fixed arm 21 are respectively provided with barbs 212. The contact arm 22 abuts against the baffle 17 and elastically protrudes into the foregoing Included in the receiving groove 16 so as to cooperate with the aforementioned chute 18 by the aforementioned barb 212 The engagement of the contact arm 22 with the baffle plate 17 can securely confine the power terminal 20 to the receiving groove 16 .

When the power terminal 20 of the present invention is in contact with the mating terminal 201, if the thickness of the mating terminal 201 is small, the abutting portion 222 does not abut after the mating terminal 201 is inserted into the receiving groove 16. The top portion 2111 is in contact with each other, so that a small insertion force can be obtained. If the thickness of the mating terminal 201 is large, after the mating terminal 201 is inserted into the receiving groove 16, the abutting portion 222 may abut the top portion. The 2111 is in contact with and abuts against the top portion 2111, so that a large insertion force can be obtained. Therefore, the power terminal 20 of the present invention has a large elastic range and is suitable for the butt terminal 201 of various thicknesses.

In summary, the power connector 100 of the present invention is provided with a contact arm 22 extending in a reverse direction from one end of the fixed arm 21 on the power terminal 20, and the fixed arm 21 is disposed facing the contact arm 22 The projecting arm 211 is provided with the abutting portion 2111 between the contact arm 22 and the fixed arm 21, so that the power terminal 20 has a large elastic range and is suitable for a plurality of thickness mating terminals. Further, when the power connector 100 of the present invention is docked with the mating connector 200, it is convenient not only for docking but also for stability.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

20‧‧‧Power terminal

21‧‧‧Fixed Arm

211‧‧‧Bounce arm

2111‧‧‧ arrive at the top

212‧‧‧ barbed

22‧‧‧Contact arm

221‧‧‧Contacts

222‧‧‧Apartment

23‧‧‧Connecting arm

24‧‧‧Weld Department

Claims (8)

A power supply terminal includes a fixed arm and a contact arm extending in a reverse direction from one end of the fixed arm, wherein the fixed arm is provided with an elastic arm protruding toward the contact arm, and the elastic arm is disposed on the contact arm and the foregoing a contact portion between the fixed arms, the contact arm includes a contact portion extending from the fixed arm to abut the pair of terminals, and an abutting portion extending from the end of the contact portion toward the fixed arm, wherein the abutting top is located at the fixed portion The arm is between the abutting portion. The power terminal of claim 1, wherein the power terminal further includes a solder portion extending outward from the other end of the fixed arm. The power terminal of claim 1, wherein the power terminal comprises two opposite fixed arms and a connecting arm connecting the other ends of the two fixed arms, so that the power terminal has a substantially U-shaped cross section. . The power terminal of claim 3, wherein the power terminal further includes a soldering portion extending outward from an end of the connecting arm. The power connector includes: an insulative housing, the insulative housing includes a docking wall and a receiving slot recessed inwardly from the mating wall; and a power terminal, wherein the power terminal is received in the receiving slot; wherein the power terminal comprises a fixed a fixing arm in the receiving groove and a contact arm extending and extending from one end of the fixing arm, wherein the fixing arm is provided with an elastic arm protruding toward the contact arm, and the elastic arm is disposed on the contact arm and the foregoing Abutting the top of the fixed arm, the contact arm includes a contact portion extending from the fixed arm to abut the pair of terminals, and abutting from the end of the contact portion toward the fixed arm The abutting top portion is located between the fixed arm and the abutting portion. The power connector of claim 5, wherein the insulative housing further comprises a mounting wall disposed opposite the abutting wall, the power terminal further comprising a soldering portion extending from the other end of the fixing arm beyond the mounting wall . The power connector of claim 5, wherein the power terminal comprises two oppositely disposed fixing arms and a connecting arm connecting the other ends of the two fixing arms, such that the power terminal has a cross section substantially U. type. The power connector of claim 7, wherein the insulative housing further comprises a bottom wall disposed perpendicular to the mating wall, and the power terminal further includes a soldering portion extending from one end of the connecting arm beyond the bottom wall.