TWI502822B - Electrical connector - Google Patents

Description

Electrical connector

The invention relates to an electrical connector, and more particularly to a power connector.

Chinese Utility Model Patent No. CN101587995, published on Dec. 16, 2009, discloses a power connector including an insulative body and a plurality of power terminals mounted on the insulative housing. The insulative housing has a vertically long body, and is provided with a plurality of receiving slots penetrating the insulative housing, and the receiving slots are juxtaposed along the longitudinal direction. Each power terminal includes a first terminal piece and a second terminal piece that are mechanically coupled together. The outer sides of the first and second terminal pieces are respectively provided with bumps for engaging with the receiving slots to hold the corresponding power terminals in the corresponding receiving slots.

The power terminal of the conventional power connector is installed in the insulating body. If the terminal is replaced, it may be difficult to disassemble, which may result in the need to replace the entire electrical connector, resulting in an increase in cost.

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

It is an object of the present invention to provide an electrical connector having a power terminal that is easily replaceable.

To achieve the above object, the present invention relates to an electrical connector including insulation The main body, the insulative housing has a vertically long configuration, the insulative housing is provided with a plurality of receiving slots penetrating the insulative housing, the receiving slots are spaced apart in the longitudinal direction, and the plurality of power terminals are received in the corresponding receiving slots Each of the power terminals includes a first terminal and a second terminal disposed at a distance from the first terminal, the first terminal including a first contact portion, a first portion substantially perpendicular to the first contact portion and extending in a direction of the second terminal a fixing portion and a first connecting portion connecting the first contact portion and the first fixing portion, the second terminal includes a second contact portion spaced apart from the first contact portion; and the first connecting portion is disposed between the first connecting portion and the first contact portion An arc-shaped transition region, wherein a width of the first fixing portion is greater than a distance between the first contact portion and the second contact portion, and a partition wall is disposed between the adjacent receiving grooves, and both sides of the partition wall Each has a groove extending from the front to the rear direction, and air can flow through the groove to dissipate heat from the power terminal, and the first contact portion of the first terminal has a flat shape and is first The contact portion is provided with an outwardly extending elastic piece. After the first terminal is inserted into the receiving groove from the back to the front, the elastic piece and the corresponding groove buckle position the first terminal in the receiving groove, and the removal tool can be moved from the front to the rear of the groove. Insert to release the lock between the shrapnel and the groove.

As a further improvement of the present invention, the second terminal further includes a second fixing portion and a second connecting portion connecting the second contact portion and the second fixing portion, and the arc is disposed between the second connector and the second contact portion In the transition zone, an accommodation space is formed between the two arc-shaped transition zones.

As a further improvement of the present invention, the foregoing electrical connector further includes a holding member, wherein the holding member fixes the first terminal and the second terminal together, the foregoing The holding member includes a first holding member passing through the first and second fixing portions from one side of the first and second fixing portions, and a second holding member disposed on the other side to cooperate with the first holding member, the second The holding member is accommodated in the accommodating space between the two arc-shaped transition regions.

As a further improvement of the present invention, the first connecting portion and the second connecting portion are respectively provided with slots, and the second holding member is provided with a gasket that can be received in the slot to mount the second holding member on the second holding member. Above the power terminal.

As a further improvement of the present invention, further comprising a bus bar connecting the plurality of power terminals.

As a further improvement of the present invention, the insulating body is provided with a plurality of partitions extending beyond the rear end of the insulating body.

As a further improvement of the present invention, the insulative housing includes a first plane (101) and a second plane disposed perpendicular to the first plane, and the foregoing electrical connector can be vertically mounted to the external device through the first plane, or The two planes are mounted flat to the external device.

As a further improvement of the present invention, the electrical connector further includes a signal terminal module detachably mounted to the insulative housing.

The power terminal of the electrical connector of the invention is convenient to install and easy to disassemble, which will lower the cost of the electrical connector.

Referring to the first to third figures, the electrical connector 100 of the present invention can be mounted on an external circuit board (not shown), and the electrical connector 100 includes the foregoing The edge body 10 includes a plurality of power terminals 20 housed in the insulative housing 10, a bus bar 40 that connects the partial power terminals, and a signal terminal module 50 that is mounted on the insulative housing 10. In the present embodiment, the insulative housing of the electrical connector 100 is of a vertically long type. The power connector has ten of the aforementioned power terminals 20 and two of the aforementioned bus bars 40. There are seven aforementioned power supply terminals 20 on one side of the signal terminal module 50 and three aforementioned power supply terminals 20 on the other side. One of the bus bars 40 is connected to four of the aforementioned seven power supply terminals 20, and the other bus bar 40 is connected to the remaining three of the aforementioned seven power supply terminals. However, the number and arrangement of the power terminals 20, the number of the bus bars 40, the arrangement thereof, and the number of the power supply terminals 20 are not limited, and may be designed in a non-number, arrangement, and connection number as needed.

As shown in the first to fourth figures, the insulative housing 10 includes a first plane 101 and a second plane 102 disposed perpendicular to the first plane 101. The aforementioned electrical connector 100 can be mounted upright to the external device through the first plane 101, or can be mounted flat on the external device through the second plane 102. The insulative housing 10 further includes an abutting portion 103 protruding forward from the first plane 101 for mating with the mating connector, a guiding post 104 extending forward from the first plane 101 and disposed on opposite sides of the abutting portion 103, and The mounting portion 105 of the first plane 101 projecting rearward. The first plane 101 is located on the outer side of the guiding post 104 and is provided with a through hole 106 penetrating the insulative housing 10. The insulative housing 10 is vertically mounted to the external device through the pair of through holes 106. The second plane 102 is provided with a pair of spaced through holes 107 through which the insulating body passes. The hole 107 is mounted flat on an external device. The insulative housing 10 includes a plurality of receiving slots 11 that extend through the insulative housing 10 in the front-rear direction. The receiving slots 11 are spaced apart in the longitudinal direction. A partition wall 111 is disposed between the adjacent receiving grooves 11 , and both sides of the partition wall 111 are provided with a groove 112 extending from the front to the rear direction, and air can flow through the groove 112 to dissipate heat from the power terminal 20 . The aforementioned groove does not extend through the partition wall 111 in the front-rear direction, thereby forming a step portion (not numbered). The insulative housing 10 is provided with a plurality of partitions 113 extending beyond the rear end of the insulative housing 10. The partitions 113 can separate portions of the adjacent power terminals 20 that are exposed to the insulative housing 10 in the longitudinal direction to achieve the shielding effect.

Each of the power terminals 20 is housed in a corresponding receiving slot 11 , and each of the power terminals 20 includes a first terminal 21 and a second terminal 22 spaced apart from the first terminal 21 . The first terminal 21 includes a first contact portion 210 having a flat shape, a first fixing portion 211 that is substantially perpendicular to the first contact portion 210 and extends in the direction of the second terminal, and connects the first contact portion 210 and the first fixing portion 211. A first connecting portion 212 and a curved transition region 213 are disposed between the first connecting portion 212 and the first contact portion 210. The first contact portion 210 of the first terminal 210 is provided with an outwardly extending elastic piece 214. The second terminal 22 includes a flat second contact portion 220 that is spaced apart from the first contact portion 210 , and a second fixing portion 221 that is substantially perpendicular to the second contact portion 220 and extends in the direction of the first terminal 21 . The second connecting portion 220 is disposed between the second connecting portion 222 of the second fixing portion 221 and the second connecting portion 222 and the second connecting portion 220 There is a curved transition zone 223. The second contact portion 220 of the second terminal 220 is provided with an outwardly extending elastic piece 224.

In this embodiment, the first fixing portion 21 is in the shape of a flat plate, but is not limited. The width of the first fixing portion 211 is greater than the width between the first contact portion 210 of the first terminal 21 and the second contact portion 220 of the second terminal 22 . The spacing distance allows the first fixing portion 211 to have a large contact area, thereby improving the current transmission effect at the time of electrical connection.

In addition, in another embodiment of the second terminal 22, the second terminal 22 is integrally formed on one side of the first terminal 21, and only the second contact portion 220 of the second terminal 22 is retained, and the first terminal 21 is The first fixing portion 211 can also achieve a transmission effect when the electrical connection is improved.

Furthermore, the aforementioned electrical connector 100 can further include a plurality of holders 30. Each of the holding members 30 is configured to fix the bus bar 40 to the first fixing portion 211 of the first terminal 21, so that the plurality of power terminals 20 are electrically connected to the external cable through the bus bar 40 at the same time. In the embodiment, the first fixing portion 211 and the second fixing portion 221 are provided with through holes (not shown). The holding member 30 passes through the through holes in the first and second fixing portions 211 and 221 to realize the holding connection between the first terminal 21 and the second terminal 22 . The holder 30 includes a first holder 31 that passes through the first and second fixing portions 211 and 221 from one side of the first and second fixing portions 211 and 221, and is disposed on the other side and the first holder 31. The second retaining member 32 is fitted.

In this embodiment, the first holding member 31 is a screw, and the second holding member is a nut that can be screwed with the screw. The first connecting portion and the second Each of the connecting portions 212 and 222 is provided with a slot 200. The second holding member 32 is provided with a gasket 321 that can be received in the slot 200 to mount the second holding member 32 on the power terminal 20.

In addition, in another embodiment of the holding member 30, the holding member 30 can be replaced with solder, and the effect of fixing the bus bar 40 to the first fixing portion 211 of the first terminal 21 can be achieved, so that the plurality of power terminals 20 are The bus bar 40 is simultaneously electrically connected to an external cable.

After the power terminal 20 is inserted into the receiving slot 11 from the rear to the front, the elastic pieces 214 and 224 on the first terminal 21 and the second terminal 22 are received in the groove 112 on the corresponding partition wall 111, and the groove 112 is formed. The inner step portion forms a buckle to position the first terminal 21 and the second terminal 22 in the receiving groove 11. The groove 112 allows a space between the first power terminal 21 and the second power terminal 22 and the corresponding partition wall 111, and air can flow through the space to function as a heat sink. The aforementioned groove 112 can also function as a material escaping, which facilitates the molding of the insulating body 10. In addition, when the power terminal 20 needs to be replaced, the removal tool can be inserted into the groove 112 from the groove 112 from the front to the rear, and the elastic pieces 214, 224 and the corresponding step portion 113 are unlocked. The first contact portion 210 and the second contact portion 220 may also be provided with barbs (not shown), and interfere with the partition wall 111 by the barb to position the first terminal 21 and the second terminal 22 in the receiving portion. Inside the slot 11.

Referring to FIG. 5 to FIG. 7 together, the signal terminal module 50 is detachably mounted on the insulative housing 10. The foregoing signal terminal module 50 includes The insulating member 51 and the plurality of signal terminals 52 mounted on the insulating member 51.

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

100‧‧‧Electrical connector

10‧‧‧Insulated body

101‧‧‧ first plane

102‧‧‧ second plane

103‧‧‧Docking Department

104‧‧‧ Guide column

105‧‧‧Installation section

106, 107‧‧‧through holes

11‧‧‧ housing trough

111‧‧‧ partition wall

112‧‧‧ trench

113‧‧‧Baffle

20‧‧‧Power terminal

200‧‧‧ slot

21‧‧‧First terminal

210‧‧‧First contact

211‧‧‧First Fixed Department

212‧‧‧First connection

213, 223‧‧‧ arc transition zone

214, 224‧‧ ‧ shrapnel

22‧‧‧second terminal

220‧‧‧Second contact

221‧‧‧Second fixed department

222‧‧‧Second connection

30‧‧‧ holding parts

31‧‧‧First holding parts

32‧‧‧Second holding parts

321‧‧‧shims

40‧‧‧ bus

50‧‧‧ Signal Terminal Module

51‧‧‧Insulation

52‧‧‧ Signal Terminal

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 power terminal shown in the first figure.

The fifth figure is a perspective view of the signal terminal module of the electrical connector shown in the first figure.

Figure 6 is a perspective view of the insulator of the signal terminal module shown in Figure 5.

The seventh figure is a perspective view of the signal terminal shown in the fifth figure.

100‧‧‧Electrical connector

10‧‧‧Insulated body

101‧‧‧ first plane

102‧‧‧ second plane

11‧‧‧ housing trough

112‧‧‧ trench

20‧‧‧Power terminal

21‧‧‧First terminal

22‧‧‧second terminal

30‧‧‧ holding parts

40‧‧‧ bus

50‧‧‧ Signal Terminal Module

51‧‧‧Insulation

52‧‧‧ Signal Terminal

Claims (8)

An electrical connector (100) includes: an insulative housing (10), the insulative housing has a vertically long configuration, and the insulative housing is provided with a plurality of receiving slots (11) penetrating the insulative housing, the receiving slots being spaced along the longitudinal direction And the plurality of power terminals (20), wherein the power terminals are housed in the corresponding receiving slots (11), and each of the power terminals includes a first terminal (21) and a second terminal (22) spaced apart from the first terminal The first terminal includes a first contact portion (210), a first fixing portion (211) substantially perpendicular to the first contact portion and extending in a direction of the second terminal, and a first connecting portion connecting the first contact portion and the first fixing portion a connecting portion (212), the second terminal includes a second contact portion (220) spaced apart from the first contact portion; wherein the first connecting portion and the first contact portion are provided with a curved transition region, the foregoing The width of the first fixing portion is larger than the distance between the first contact portion and the second contact portion; wherein a partition wall (111) is disposed between the adjacent receiving grooves, and both sides of the partition wall are disposed a groove (112) extending from the front to the rear, empty The contact hole of the first terminal is in the shape of a flat plate, and the contact portion is provided with an outwardly extending elastic piece. After the first terminal is inserted into the receiving groove from the back to the front, the elastic piece is The first terminal is positioned in the receiving groove with a corresponding groove buckle, and the removal tool can be inserted from the front to the rear of the groove to release the buckle between the elastic piece and the groove. The electrical connector of claim 1, wherein the second terminal further includes a second fixing portion (221) and a second connecting portion (222) connecting the second contact portion and the second fixing portion, the foregoing An arc-shaped transition zone is disposed between the two connectors and the second contact portion, and an accommodation space is formed between the two arc-shaped transition zones. The electrical connector of claim 2, wherein the electrical connector further comprises a holding member (30), the holding member holding the first terminal and the second terminal together, the holding member comprising the first And a first holding member (31) passing through the first and second fixing portions on one side of the second fixing portion, and a second holding member (32) disposed on the other side of the first holding member, the second portion The holding member is accommodated in the accommodating space between the two arc-shaped transition regions. The electrical connector of claim 3, wherein the first connecting portion and the second connecting portion are provided with a slot (200), and the second holding member is provided with a slot for receiving into the slot. A gasket to mount the second holder on the aforementioned power terminal. The electrical connector of claim 1, wherein the electrical connector further comprises a busbar (40) that connects the plurality of power terminals. The electrical connector of claim 1, wherein the insulative housing is provided with a plurality of partitions (113) extending beyond the rear end of the insulative housing. The electrical connector of claim 1, wherein the insulative housing comprises a first plane (101) and a second plane (102) disposed perpendicular to the first plane, the electrical connector being achievable by the first plane Mounted upright to an external device or mounted to an external device through a second flat surface. The electrical connector of claim 1, wherein the electrical connector further comprises a signal terminal module (50) detachably mounted to the insulative housing.