TWI424626B - Power connector - Google Patents

Description

Power connector

The present invention relates to an electrical connector, and more particularly to a power connector that is connected to a cable.

A power connector assembly is disclosed in Chinese Laid-Open Patent Publication No. CN101669259, which is issued on March 10, 2010. The power connector assembly includes a power connector and a plurality of power cables electrically connected to the power connector. The power connector includes an insulative housing, a power terminal housed in the insulative housing, a housing mounted on the outside of the insulating body, a hook for engaging with the mating connector latch, and a clip for holding the cable.

However, the foregoing power terminal adopts a combined welding structure, has a complicated structure and high manufacturing cost, and the hook, the outer casing and the wire clamp are designed as a single component, and the assembly is complicated and the production cost is high.

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 connector having a simple power supply terminal structure and low manufacturing cost.

In order to achieve the above object, the present invention relates to a power connector, which includes an insulative housing, the insulative housing is provided with a receiving slot, the receiving slot includes a first receiving portion and a second receiving portion, and a power terminal, wherein the power terminal includes: a base , The base includes a first terminal wall, a second terminal wall spaced apart from the first terminal wall, and a connecting wall connecting the first and second terminal walls; and a first contact portion received in the first receiving portion, the first The contact portion includes a first contact arm and a second contact arm extending forward from the first terminal wall, the first contact arm and the second contact arm are spaced apart from each other; and the second contact portion received in the second receiving portion, the foregoing The second contact portion includes a third contact arm and a fourth contact arm extending forward from the second terminal wall, and the third contact arm is disposed in parallel with the fourth contact arm.

As a further improvement of the present invention, the first contact arm and the first terminal wall are in the same plane, and the power terminal further includes a first connecting portion connecting the first terminal wall and the second contact arm, the first connecting portion being the first The terminal wall extends forwardly and obliquely toward the second terminal wall. The first connecting portion extends obliquely from the first terminal wall toward the second terminal wall, and the third contact arm and the second terminal wall are in the same plane. The power terminal further includes a second connecting portion connecting the second terminal wall and the fourth contact arm, and the second connecting portion extends forward from the second terminal wall and obliquely toward the first terminal wall.

As a further improvement of the present invention, the sum of the twists of the first contact arm and the second contact arm is equal to the twist of the first terminal wall, and the sum of the twists of the third contact arm and the fourth contact arm is equal to the foregoing The twist of the two terminal walls.

As a further improvement of the present invention, the first contact arm and the second contact arm are staggered in the up and down direction.

As a further improvement of the present invention, the power terminal further includes a first holding portion and a second holding portion for mechanically and electrically connecting the cables.

As a further improvement of the present invention, the aforementioned power supply terminal is of a unitary structure.

According to a further improvement of the present invention, the receiving groove further includes a guiding groove between the first receiving portion and the second receiving portion, and the guiding groove and the first receiving portion and the second receiving portion are both penetrated.

As a further improvement of the present invention, the power connector further includes a housing mounted on an outer side of the insulative housing, the housing including an upper housing and a housing engageable with the upper housing.

As a further improvement of the present invention, the insulating body and the inner surfaces of the upper casing and the lower casing are respectively provided with grooves and bumps, and the upper casing and the lower portion are matched by the cooperation of the bumps and the grooves. The housing is positioned and mounted on the insulative housing.

As a further improvement of the present invention, the upper casing and the lower casing are respectively provided with hooks and slots, and the upper and lower casings are coupled together by a hook and a slot.

As a further improvement of the present invention, the upper and lower casings are respectively provided with an elastic operating portion that is forwardly extended and an elastic locking arm that continuously extends forward from the elastic operating portion, and the elastic locking arm can be locked with the docking connector. Buckle fit.

As a further improvement of the present invention, the insulative housing is provided with a receiving portion for receiving the elastic latching arm, and pressing the elastic operating portion enables the elastic latching arm to move in the receiving portion to release the latching with the mating connector.

As a further improvement of the present invention, the upper casing is provided with a pair of upper semi-circular holes, and the lower casing is provided with a pair of lower semi-circular holes, and the upper and lower casings are matched with the upper half. The round hole and the lower semicircular hole form a pair of cable receiving holes.

As a further improvement of the present invention, the outer casing is provided with a through-locking screw hole, and the upper and lower casings are coupled together by screws.

The effect of the invention is that the structure of the power supply terminal is simple, and the manufacturing cost is low; the guiding groove and the first and second receiving portions are penetrated to facilitate heat dissipation; the elastic locking arm and the cable receiving hole are Designed on the upper and lower housings for easy assembly.

Referring to the first to thirteenth drawings, the power connector 100 of the present invention includes an insulative housing 20, a plurality of power terminals 10 housed in the insulative housing 20, a housing 30 mounted on the insulative housing 20, and an insulative housing. 10 in the anti-missing structure 40. The aforementioned power connector 100 can be connected to a power cable (not shown). In the present embodiment, there are two power supply terminals 10, but the number of power supply terminals 10 is not limited, and may be designed in different numbers as needed.

As shown in the first to fifth embodiments, the insulative housing 20 is provided with a receiving slot 21 for receiving the power terminal 20, a plurality of recesses 22 for positioning the housing 30, a pair of receiving portions 23, and a receiving mis-insertion preventing structure 40. Containing space 24. The receiving groove 21 includes a first receiving portion 211 , a second receiving portion 212 , and a guiding groove 213 disposed between the first and second receiving portions 211 and 212 . The guiding groove 213 and the first and second receiving portions 211, 212 are both penetrated to facilitate heat dissipation. A spacer 214 is disposed between the guiding groove 213 and the first and second receiving portions 211 and 212.

Referring to the tenth to eleventh figures, each of the foregoing power terminals 10 has The same structure and connection to the cable. The power terminal 10 includes a base portion 11, a first contact portion 12 that can be mated with a mating terminal (not shown), a second contact portion 13, a first holding portion 14 for mechanically and electrically connecting the cable, and a second holding portion. Part 15.

The base portion 11 includes a first terminal wall 111, a second terminal wall 112 spaced apart from the first terminal wall 111, and a connecting wall 113 connecting the first and second terminal walls 111, 112. The first contact portion 12 is housed in the first housing portion 211 , and the second contact portion 13 is received in the second housing portion 212 . The first contact portion 12 includes a first contact arm 121 and a second contact arm 122 extending forward from the first terminal wall 111. The first contact arm 121 and the second contact arm 122 are disposed in parallel with each other. The first contact arm 121 and the first terminal wall 111 are in the same plane, and the power terminal 10 further includes a first connecting portion 123 connecting the first terminal wall 111 and the second contact arm 122. The first connecting portion 123 is the first connecting portion 123. The terminal wall 111 extends forward and obliquely toward the second terminal wall 112. The first contact arm 121 and the second contact arm 122 are offset in the vertical direction. The second contact portion 13 includes a third contact arm 131 and a fourth contact arm 132 extending forward from the second terminal wall 112. The third contact arm 131 is disposed in parallel with the fourth contact arm 132. The third contact arm 131 and the second terminal wall 112 are in the same plane, and the power terminal 10 further includes a second connecting portion 133 connecting the second terminal wall 112 and the fourth contact arm 132. The second connecting portion 133 is from the second The terminal wall 112 extends forward and obliquely toward the first terminal wall 111. In particular, in the present embodiment, the first contact arm 121 and the second The sum of the twists of the contact arms 122 is equal to the twist of the first terminal wall 111, and the sum of the twists of the third contact arm 131 and the fourth contact arm 132 is equal to the twist of the second terminal wall 112. It will be appreciated that in other embodiments, the width of the contact arms may vary depending on the particular processing mode.

The first holding portion 14 can be mechanically and electrically connected to the core wire of the cable by riveting, and the second holding portion 15 is mechanically held by riveting and the outer casing of the power cable. The first holding portion 14 is adjacent to the base portion 11 with respect to the second holding portion 15 , and the power terminal 10 includes a third connecting portion 114 connecting the base portion 11 and the first holding portion 14 . The third connecting portion 114 extends obliquely rearward from the connecting wall 113 and upward. The aforementioned power terminal is of a one-piece structure.

Referring to the sixth to ninth drawings, the outer casing 30 includes an upper casing 31 and a casing 32 engageable with the upper casing 31. A plurality of protrusions 312 are respectively disposed on the inner surfaces of the upper casing 31 and the lower casing 32. The protrusions 312 cooperate with the grooves 22 to position the upper casing 31 and the lower casing 32 on the insulative housing 10 ( Refer to the fourth or fifth figure). In other embodiments, the positioning between the upper and lower housings 31, 32 and the insulative housing 20 can also be achieved by providing the bosses on the insulative housing 20 and the corresponding recesses of the upper and lower housings 31, 32.

The upper casing 31 is provided with a hook 311 or a card slot. The lower casing 32 is correspondingly provided with a slot 321 or a hook. The upper and lower casings are coupled to each other by the hook 311 and the slot 321 .

The upper and lower casings 31, 32 are respectively provided with a resiliently operating portion 300 that is suspended forwardly and an elastic locking arm 310 that continues to extend forward from the elastic operating portion 300. The resilient latch arm 310 can be mated with the docking connector latch. The elastic locking arm 310 is received in the accommodating portion 23 of the insulative housing 20, and the elastic locking portion 300 is pressed to move the elastic locking arm 310 in the accommodating portion 23 to release the latch with the mating connector.

Referring to the sixth to ninth and twelfth drawings, the upper casing 31 is provided with a pair of upper semi-circular holes 313, and the lower casing 32 is provided with a pair of lower semi-circular holes 323, upper and lower casings 31, After the 32 is engaged, the upper semi-circular hole 313 and the lower semi-circular hole 323 form a pair of cable receiving holes 320. The outer casing 30 is provided with a locking screw hole 330 therethrough, and the upper and lower casings 31, 32 are fixedly connected by screws (not shown). The foregoing upper and lower casings 31, 32 are provided with positioning structures to facilitate assembly of the upper and lower casings 31, 32. In the present embodiment, the positioning structure is a positioning post 314 provided on the upper casing 31 and a positioning hole 324 provided in the lower casing 32.

The power supply terminal 10 of the present invention has an integrated structure, and has a simple structure and a low manufacturing cost. The guiding groove 213 and the first and second receiving portions 211, 212 are penetrated to facilitate heat dissipation. The elastic locking arm 310 and the cable receiving hole are provided. The 320 is designed on the upper and lower casings 31, 32 for easy assembly.

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

10‧‧‧Power terminal

100‧‧‧Power connector

11‧‧‧ base

111‧‧‧First terminal wall

112‧‧‧Second terminal wall

113‧‧‧Connecting wall

114‧‧‧ Third connection

12‧‧‧First contact

121‧‧‧First contact arm

122‧‧‧second contact arm

123‧‧‧First connection

13‧‧‧Second Contact

131‧‧‧third contact arm

132‧‧‧fourth contact arm

133‧‧‧Second connection

14‧‧‧First Holding Department

15‧‧‧Second Holding Department

20‧‧‧Insulating body

21‧‧‧ housing trough

211‧‧‧ First Housing Department

212‧‧‧Second Refuge Department

213‧‧‧ guiding slot

214‧‧‧ spacers

22‧‧‧ Groove

23‧‧‧ Housing Department

24‧‧‧ accommodating space

30‧‧‧Shell

300‧‧‧Flexible Operation Department

31‧‧‧Upper casing

310‧‧‧Flexible locking arm

311‧‧‧ hook

312‧‧‧Bumps

313‧‧‧Upper semi-circular hole

314‧‧‧Positioning column

32‧‧‧ Lower case

320‧‧‧Cable receiving hole

321‧‧‧ card slot

323‧‧‧ lower semicircular hole

324‧‧‧Positioning holes

330‧‧‧Lock screw hole

40‧‧‧Anti-missing structure

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

The second figure is a perspective view of another perspective view of the power connector shown in the first figure.

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

The fourth figure is a perspective view of the insulative body of the power connector shown in the first figure.

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

Figure 6 is a perspective view of the upper housing of the power connector shown in the first figure.

The seventh figure is a perspective view of another view of the upper casing shown in the sixth figure.

Figure 8 is a perspective view of the lower housing of the power connector shown in the first figure.

The ninth diagram is a perspective view of another perspective view of the housing shown in the eighth diagram.

Figure 10 is a perspective view of the power terminal of the power connector shown in the first figure.

Figure 11 is a perspective view of another perspective view of the power terminal shown in the tenth figure.

Figure 12 is a cross-sectional view of the power connector of the present invention.

Figure 13 is an exploded view of the power connector shown in Figure 12.

10‧‧‧Power terminal

111‧‧‧First terminal wall

112‧‧‧Second terminal wall

113‧‧‧Connecting wall

114‧‧‧ Third connection

12‧‧‧First contact

121‧‧‧First contact arm

122‧‧‧second contact arm

123‧‧‧First connection

13‧‧‧Second Contact

131‧‧‧third contact arm

132‧‧‧fourth contact arm

133‧‧‧Second connection

14‧‧‧First Holding Department

15‧‧‧Second Holding Department

Claims (14)

A power connector (100), which can be connected to a cable, includes: an insulative housing (20), the insulative housing is provided with a receiving slot (21), and the receiving slot includes a first receiving portion (211) and a second receiving portion ( And a power terminal (10), the power terminal (10) includes: a base portion (11), the base portion includes a first terminal wall (111), and a second terminal wall spaced apart from the first terminal wall (111) (112) and a connecting wall (113) connecting the first and second terminal walls (111, 112); a first contact portion (12) received in the first receiving portion (211), the first contact portion being included from the first a first contact arm (121) and a second contact arm (122) extending forwardly from the terminal wall (111), the first contact arm (121) and the second contact arm (122) are spaced apart from each other; and are received in the second a second contact portion (13) of the receiving portion (212), the second contact portion includes a third contact arm (131) and a fourth contact arm (132) extending forward from the second terminal wall (112), the foregoing The three contact arms (131) are spaced apart from the fourth contact arms (132). The power connector of claim 1, wherein the first contact arm (121) and the first terminal wall (111) are in the same plane, and the power terminal further includes a first terminal wall (111) and a first terminal. a first connecting portion (123) of the contact arm (122), the first connecting portion (123) extending obliquely forward from the first terminal wall (111) and toward the second terminal wall (112), the third contact The arm (131) is located on the same plane as the second terminal wall (112), and the power terminal further includes a second terminal connected a second connecting portion (133) of the wall (112) and the fourth contact arm (132), the second connecting portion (133) is inclined forward from the second terminal wall (112) and toward the first terminal wall (111) extend. The power connector of claim 2, wherein a sum of twists of the first contact arm (121) and the second contact arm (122) is equal to a twist of the first terminal wall (111), The sum of the twists of the third contact arm (131) and the fourth contact arm (132) is equal to the twist of the second terminal wall (112). The power connector of claim 1, wherein the first contact arm (121) and the second contact arm (122) are offset from each other in the up and down direction. The power connector of claim 2, wherein the power terminal further includes a first holding portion (14) and a second holding portion (15) for mechanically and electrically connecting the cables. The power connector of claim 1, wherein the power terminal is of a unitary structure. The power connector of the first aspect of the invention, wherein the receiving slot (21) further includes a guiding slot (213) between the first receiving portion (211) and the second receiving portion (212), the foregoing The guiding groove (213) penetrates both the first housing portion (211) and the second housing portion (212). The power connector of claim 6, further comprising a casing (30) mounted on an outer side of the insulative housing (20), the casing comprising an upper casing (31) and a casing engageable with the upper casing Body (32). The power connector of claim 8, wherein the foregoing insulation The main body and the inner surfaces of the upper casing (31) and the lower casing (32) are respectively provided with a groove (22) and a protrusion (312), and the upper casing is matched by the protrusion and the groove. (31) Positioned on the insulative housing with the lower housing (32). The power connector of claim 8, wherein the upper casing (31) and the lower casing (32) are respectively provided with a hook (311) and a card slot (321), and the upper and lower shells are respectively provided. The body is connected by the cooperation of the hook and the card slot. The power connector of claim 8, wherein the upper and lower casings are provided with a resiliently operating portion (300) that is forwardly extended and an elastic locking arm that continues to extend forward from the elastic operating portion ( 310) The aforementioned elastic latch arm (310) can be engaged with the docking connector latch. The power connector of claim 11, wherein the insulative housing (20) is provided with a receiving portion (23) for receiving the elastic latching arm (310), and pressing the elastic operating portion (300) enables the elastic locking The buckle arm (310) moves in the receiving portion (23) to release the buckle with the docking connector. The power connector of claim 8, wherein the upper casing (31) is provided with a pair of upper semi-circular holes (313), and the lower casing (32) is provided with a pair of lower semi-circular holes (323). After the lower casing is engaged, the upper semicircular hole and the lower semicircular hole form a pair of cable receiving holes (320). The power connector of claim 8, wherein the outer casing is provided with a through-locking screw hole (330), and the upper and lower casings are connected by screws.