TW201611420A - Electrical connector - Google Patents

Abstract

An electric connector has an insulative housing and a number of contacts retained in the insulative housing. The insulative housing has a mating face, a retaining face opposited to the mating face, a separating wall located between the mating face and the retaining face, and a number of dissipation slots extending through the separating wall. Each of the contacts has a contacting portion, a retaining portion retained in the separating wall and a tail portion extending backwardly and beyond the separating wall. The insulative housing further has a heat dissipation portion located between the retaining face and the separating wall, the heat dissipation portion communicted with the dissipation slots to give an inproved heat dissipation for the electric connector.

Description

Electrical connector 【0001】

The present invention relates to an electrical connector, and more particularly to an electrical connector mounted on a circuit board.

【0002】

At present, many conventional power connectors on the market assemble the conductive terminals from the back to the front, and cooperate with each other by means of hard interference between the conductive terminals and the insulating body. Since the power connector generally sets a buckle with the mating connector on the insulative housing, when the docking connector is pulled out of the power connector, the docking connector needs to be pressed down compared with the buckle to be pulled out, however, During use, there is no guarantee that each user can press down and then pull out the docking connector. In the process of plugging and unplugging the connector, especially the insulating body of the vertical power connector will be compared. The force of the big force is forwarded away from the conductive terminal, and only the conductive terminal is left on the circuit board, thereby affecting the stability of the electrical connection with the mating connector. In addition to the above phenomenon, the mounting surface of the general power connector is directly attached to the surface of the circuit board, so that the heat generated during the use of the conductive terminal cannot be dissipated as quickly as possible through the lower side of the power connector, which easily leads to the power connection. The performance of the device is impaired, and as the use time increases, the transmission performance of the conductive terminals is also degraded.

[0003]

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

[0004]

It is an object of the present invention to provide an electrical connector that can dissipate heat more quickly and that closely holds the conductive terminals and the insulative housing.

[0005]

To achieve the above object, the present invention is directed to an electrical connector comprising:

[0006]

The insulative housing is provided with an abutting surface that abuts the external electrical connector, a mounting surface opposite to the mating surface, and a plurality of terminal receiving slots that extend through the mating surface and the mounting surface in the front-rear direction, between the mating surface and the mounting surface. a partition wall, and a heat dissipation groove penetrating the partition wall and communicating with the terminal receiving groove;

【0007】

The plurality of conductive terminals are mounted on the insulative housing, and the conductive terminals are provided with an abutting portion extending forwardly and received in the terminal receiving groove, a retaining portion positioned on the partition wall, and a welding portion extending rearward from the retaining portion beyond the partition wall ;

[0008]

The insulating body further includes a heat dissipating portion between the mounting surface and the partition wall, and the heat dissipating portion communicates with the heat dissipating groove to form a heat convection passage communicating with the outside.

【0009】

As a further improvement of the present invention, the insulative housing further includes a heat dissipating portion between the mounting surface and the partition wall, and the heat dissipating portion communicates with the heat dissipating groove to form a heat convection passage communicating with the outside.

[0010]

As a further improvement of the present invention, the heat dissipation cavity penetrates the insulative housing in a plurality of directions along a plane of the mounting surface.

[0011]

According to a further improvement of the present invention, the insulative housing is further provided with a front and a rear connecting abutting surface and a mounting surface, and is located at a top wall above the terminal receiving groove, and the heat dissipating portion further comprises a plurality of openings formed on the top wall from the mounting surface facing the front recess. The slot, the slot is in communication with the heat dissipation cavity.

[0012]

According to a further improvement of the present invention, the insulative housing is provided with a mounting block projecting rearward from the four corners of the partition wall, the mounting surface is located at the rear of the mounting block, and the heat dissipating cavity is in the lower left and right directions on the plane of the mounting surface and the outside. Connected.

[0013]

According to a further improvement of the present invention, the welding portion is arranged in two rows behind the partition wall, and the insulating body is provided with mounting ribs protruding from the partition wall to the rear side of the welded portion, and the mounting surface is located at the rear of the mounting rib. The heat dissipation cavity communicates with the outside in a lower left and right direction above the plane of the mounting surface.

[0014]

According to a further improvement of the present invention, a protrusion is protruded from a holding portion of the conductive terminal, and the terminal receiving groove penetrates the partition wall in a front-rear direction, and the partition wall is provided to extend into the terminal receiving groove to abut the boss. The limiting mechanism, the limiting mechanism enables the conductive terminals to be assembled only from the mating surface toward the mounting surface.

[0015]

As a further improvement of the present invention, the limiting mechanism includes a first protruding block and a second protruding block protruding from the partition wall into the terminal receiving groove, and the width of the first protruding block protruding into the terminal receiving groove The second protruding block protrudes into a width of the terminal receiving groove to cooperate to form a stepped shape and to limit the protruding portion.

[0016]

According to a further improvement of the present invention, the first protruding block and the second protruding block are respectively formed by protruding from opposite inner wall surfaces of the terminal receiving groove, and the protruding block is clamped and received by the two first protruding blocks. And resting on the two foregoing second protruding blocks to restrict displacement of the aforementioned bosses in the direction in which the conductive terminals are inserted and the length direction of the insulating body.

[0017]

According to a further improvement of the present invention, the first protruding block is provided with an inclined guiding surface, and the guiding surface extends obliquely from the inner wall surface of the terminal receiving groove in the direction in which the conductive terminal is inserted.

[0018]

The electrical connector of the present invention is provided with a heat dissipating portion between the mounting surface and the partition wall, so that the electrical connector can dissipate heat as quickly as possible, ensuring stable use performance of the electrical connector of the electrical connector, and achieving effective electricity with the docking connector. Sexual connection.

[0029]

100, 100', 100" ‧‧‧ electrical connectors
1‧‧‧Insulating body
10‧‧‧Terminal receiving slot
11‧‧‧ docking
12, 12', 12" ‧ ‧ mounting surface
13, 13'‧‧‧ top wall
14, 14'‧‧‧ bottom wall
15, 15'‧‧‧ side wall
16, 16', 16" ‧ ‧ partition wall
160, 160', 160" ‧‧ ‧ heat sink
17, 17', 17" ‧ ‧   heat department
171, 171 '‧‧ ‧ heat cavity
172‧‧‧ slotting
173‧‧‧Installation block
18‧‧‧Limited institutions
181‧‧‧First protruding block
182‧‧‧Second protruding block
183‧‧‧ Guide surface
19‧‧‧Installation ribs
2, 2', 2" ‧ ‧ conductive terminals
21‧‧‧Docking Department
22‧‧‧ Holding Department
221‧‧‧Boss
222‧‧‧ barbed
23, 23" ‧ ‧ welding department

[0019]

The first figure is a perspective view of a first embodiment of the electrical connector of the present invention.
The second drawing is a perspective view of another angle of the first embodiment of the electrical connector of the present invention.
The third figure is an exploded view of the first embodiment of the electrical connector of the present invention.
The fourth drawing is an exploded view of another angle of the first embodiment of the electrical connector of the present invention.
Figure 5 is a cross-sectional view of the electrical connector of the present invention taken along line IV-IV of the first figure.
Figure 6 is a perspective view of a second embodiment of the electrical connector of the present invention.
Figure 7 is a perspective view of a third embodiment of the electrical connector of the present invention.

[0020]

As shown in the first to fifth embodiments, the electrical connector 100 of the present invention includes only the insulative housing 1 and a plurality of conductive terminals 2 mounted on the insulative housing 1.

[0021]

Referring to the first to third figures, the insulative housing 1 is provided with a rectangular abutting surface 11 for abutting with a mating plug connector (not shown), and a plurality of terminal receiving slots 10 recessed rearward from the mating surface 11 The rectangular mounting surface 12 opposite to the mating surface 11 , the partition wall 16 between the mating surface 11 and the mounting surface 12 , the front and rear mounting surface 12 and the mating surface 11 are respectively located above and below the terminal receiving groove 10 and respectively The top wall 13, the bottom wall 14, and the two side walls 15 of the side. The partition wall 16 is closer to the aforementioned mounting surface 12 rearward. The partition wall 16 is further provided with a heat dissipation groove 160 that penetrates the partition wall 16 forward and backward and intersects with the terminal receiving groove 10 to form a cross shape. The electrical connector 100 is further provided with an open heat sink 17 recessed forwardly from the mounting surface 12 to the aforementioned partition wall 16. The heat radiating portion 17 communicates with the heat radiating groove 160.

[0022]

The terminal receiving groove 10 penetrates the mating surface 11, the mounting surface 12, and the partition wall 16 in the front-rear direction. The partition wall 16 is provided with a limiting mechanism 18 extending into the terminal receiving groove 10, and the limiting mechanism 18 includes a first protruding block 181 protruding from the partition wall 16 into the terminal receiving groove 10 at the front side and being mounted on the partitioning wall a second protruding block 182 on the rear side of the first protruding block 181. The width of the first protruding block 181 protruding into the terminal receiving groove 10 is smaller than the second protruding block 182 protruding into the terminal receiving groove 10. The width is to form a stepped limit conductive terminal 2. By being arranged, the aforementioned conductive terminals 2 can only be mounted rearward from the mating face 11 into the insulative housing 1.

[0023]

Referring to the second embodiment, in the first embodiment of the present invention, the heat dissipating portion 17 of the electrical connector 100 includes heat dissipation between the top wall 13 and the bottom wall 14 formed by recessing from the mounting surface 12 toward the partition wall 16. The cavity 171 and the plurality of slots 172 formed on the top wall 13 and the bottom wall 14 are recessed forward from the mounting surface 12. The slit 172 communicates with the heat dissipation chamber 171, and the heat dissipation chamber 171 penetrates the two side walls 15 in the left-right direction. If the electrical connector 100 is mounted on a circuit board (not shown), the heat generated by the conductive terminals 2 of the electrical connector 100 is later introduced into the heat dissipation portion 17 through the heat dissipation slot 160, and then The heat dissipation cavity 171 and the slot 172 of the heat dissipation portion 17 radiate heat outward in a plurality of directions, such as up, down, left, and right. The heat dissipation effect of the electrical connector 100 of the present invention is good.

[0024]

Referring to FIG. 3 to FIG. 4 , the conductive terminal 2 is provided with an abutting portion 21 extending forwardly and received in the terminal receiving groove 10 , a holding portion 22 positioned in the partition wall 16 , and a rearward self-holding portion 22 . The weld portion 23 extending beyond the partition wall 16 continues. As shown in the fifth figure, the holding portion 22 is provided with a boss 221 which abuts against the stepped first protruding block 181 and the second protruding block 182, and the rear side of the boss 221 The inner wall of the terminal receiving groove 10 interferes with a plurality of barbs 222. The first protruding block 181 is provided with an inclined guiding surface 183. The guiding surface 183 extends obliquely from the inner wall surface of the terminal receiving groove 10 in the direction in which the conductive terminal 2 is inserted. The aforementioned boss 221 is clamped on the two first protruding blocks 181 and rests on the two second protruding blocks 182. By pulling out the mating plug connector forwardly away from the electrical connector 100 of the present invention, the resulting pull-out force does not cause the insulative housing 1 to disengage from the aforementioned conductive terminal 2 forward. The soldering portions 23 are arranged in two rows in the up-and-down direction behind the partition walls 16 and are exposed in the heat dissipation cavity 171 such that the soldering portions 23 of the conductive terminals 2 are completely exposed to the air between the mounting surface 12 and the partition walls 16. The middle portion of the welded portion 23 increases the heat dissipation effect.

[0025]

Referring to FIG. 6 , in the second embodiment of the present invention, the heat dissipating portion 17 ′ of the electrical connector 100 ′ is recessed from the mounting surface 12 ′ in the direction of the partition wall 16 ′ to form a top, bottom, left and right, respectively, through the top wall 13 . ', the bottom wall 14' and the heat dissipation cavity 171' of the two side walls 15'. The partition wall 16' protrudes rearward from the four corners of the heat dissipation cavity 171' to form four mounting blocks 173, and the mounting surface 12' is formed coplanarly at the rear end of each of the mounting blocks 173. The heat dissipation chamber 171' is in communication with the heat dissipation groove 160'. If the electrical connector 100' is mounted to a circuit board (not shown), the heat generated by the conductive terminal 2' of the electrical connector 100' is rearwardly introduced into the heat dissipation portion 17 through the heat dissipation groove 160'. 'The heat dissipation cavity 171' of the heat dissipation portion 17' is further radiated outward in a plurality of directions, such as up, down, left, right, and the like. The heat dissipation effect of the electrical connector 100' of the present invention is good.

[0026]

Referring to the seventh embodiment, in the third embodiment of the present invention, the partition wall 16" of the electrical connector 100" protrudes rearwardly from two sides of the soldering portion 23", and two mounting ribs 19 extending in the up and down direction are disposed. The mounting surface 12" is formed at the rearmost end of the two mounting ribs 19 such that an open heat dissipating portion 17" is formed between the partition wall 16" and the mounting surface 12". The heat dissipating portion 17" and the heat dissipating groove 160" In the case of the arrangement, when the electrical connector 100" is mounted to a circuit board (not shown), the heat generated by the conductive terminal 2" of the electrical connector 100" is retracted into the foregoing by the heat sink 160" The heat dissipating portion 17" is further radiated outward in a plurality of directions such as up, down, left, and right by the heat dissipating portion 17", and the heat dissipating effect of the electrical connector 100" of the present invention is excellent.

[0027]

In summary, the electrical connector 100, 100', 100" of the present invention is provided with heat dissipating portions 17, 17', 17 between the mounting faces 12, 12', 12" and the partition walls 16, 16', 16" </ RTI> enables the electrical connectors 100, 100', 100" to dissipate heat as quickly as possible, ensuring stable performance of the conductive terminals 2, 2', 2" of the electrical connectors 100, 100', 100", achieving a mating connector Effective electrical connection.

[0028]

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

1‧‧‧Insulating body

10‧‧‧Terminal receiving slot

12‧‧‧Installation surface

14‧‧‧ bottom wall

15‧‧‧ side wall

16‧‧‧ partition wall

160‧‧‧heat sink

17‧‧‧ Department of heat dissipation

171‧‧‧ Thermal cavity

172‧‧‧ slotting

2‧‧‧Electrical terminals

Claims (10)

[Item 1] An electrical connector includes: an insulative housing, wherein the insulative housing is provided with a mating surface that is mated with an external electrical connector, and a mounting surface opposite to the mating surface, and a plurality of terminal receiving slots that extend through the mating surface and the mounting surface in the front-rear direction, and are located in the docking a partition wall between the surface and the mounting surface, and a heat dissipating groove extending through the partition wall and communicating with the terminal receiving groove; the plurality of conductive terminals are mounted on the insulating body, and the conductive terminal is provided to extend forward and be received in the terminal receiving groove The inner abutting portion, the retaining portion positioned on the partition wall and the welding portion extending rearward from the retaining portion beyond the partition wall; wherein the insulating body further comprises a heat dissipating portion between the mounting surface and the partition wall, wherein the heat dissipating portion The heat sinks are in communication to form a heat convection passage that communicates with the outside. [Item 2] The electrical connector of claim 1, wherein the heat dissipating portion comprises a heat dissipating cavity formed by recessing from a mounting surface facing the partition wall, and the soldering portion is exposed to the heat dissipating cavity. [Item 3] The electrical connector of claim 2, wherein the heat dissipation cavity penetrates the insulative housing in a plurality of directions along a plane of the mounting surface. [Item 4] The electrical connector of claim 3, wherein the insulative housing further includes a top wall that is connected to the front and rear abutting surfaces and the mounting surface and is located above the terminal receiving slot, and the heat dissipating portion further includes a self-mounting front recess formed on the front surface. The plurality of slots on the top wall are slotted, and the slotted portion communicates with the heat dissipation cavity. [Item 5] The electrical connector of claim 3, wherein the insulative housing is provided with a mounting block projecting rearward from four corners of the partition wall, the mounting surface being located at a rearmost side of the mounting block, and the heat dissipating cavity is in a plane of the mounting surface The upper, lower, left and right directions are connected to the outside world. [Item 6] The electrical connector of claim 3, wherein the welding portions are arranged in two rows behind the partition wall, and the insulating body protrudes rearward from the partition wall on both sides of the welded portion to form a mounting rib, and the mounting surface is installed. At the rear of the rib, the heat dissipation cavity communicates with the outside in the lower left and right directions above the plane of the mounting surface. [Item 7] The electrical connector of claim 1, wherein the retaining portion of the conductive terminal has a boss protruding therefrom, the terminal receiving groove penetrating the partition wall in a front-rear direction, and the partition wall is disposed in the terminal receiving groove Extending to resist the position limiting mechanism of the boss, the limiting mechanism enables the conductive terminal to be assembled only from the abutting surface toward the mounting surface [Item 8] The electrical connector of claim 7, wherein the limiting mechanism comprises a first protruding block and a second protruding block protruding from the partition wall into the terminal receiving groove, the first protruding block The width of the protrusion into the terminal receiving groove is smaller than the width of the second protruding block protruding into the terminal receiving groove to form a stepped shape and limit the boss. [Item 9] The electrical connector of claim 8, wherein the first protruding block and the second protruding block are respectively formed by protruding from opposite inner wall surfaces of the terminal receiving groove, and the protruding block is locked and received. Between the two first protruding blocks, and resting on the two second protruding blocks, the displacement of the aforementioned boss is restricted in the direction in which the conductive terminals are inserted and the length of the insulating body. [Item 10] The electrical connector of claim 9, wherein the first protruding block is provided with an inclined guiding surface, and the guiding surface extends obliquely from the inner wall surface of the terminal receiving groove in the direction in which the conductive terminal is inserted.