TWI636626B - Power connector - Google Patents

Abstract

The invention relates to a power connector comprising an insulative body and at least one power terminal pair, The insulative housing has a docking space and a tongue plate located in the docking space. The power terminal pair has two power supply terminals disposed opposite to each other. Each power terminal has a fixing portion fixed on the insulating body and extends forward from one end of the fixing portion. a contact piece in the docking space, a soldering leg connected to the other end of the fixing portion and bent downwardly, the two contact pieces of the pair of power terminals are oppositely and spaced apart in the height direction, and respectively located in the height direction of the tongue plate On both sides of the tongue plate, a retaining wall is respectively disposed on two sides in the lateral direction, and the retaining wall extends in the height direction, and the retaining walls on both sides of the tongue plate extend in opposite directions so that the front end of the tongue plate is Z type.

Description

Power connector

The present invention relates to a power connector, and more particularly to a power connector that can effectively avoid high voltage breakdown.

The power connector is a conventional electrical connector that is mainly used for current transmission. Existing power connectors typically include a plurality or a single power terminal and an insulative housing for carrying the power terminal to insulate the power supply terminals. However, in the conventional power connector, when the upper and lower adjacent power terminals are assembled, the assembly deflection is easy to occur, and the upper and lower power terminals are insulated from each other, and the insulation distance between the two is insufficient or the arc surface distance is insufficient. When the conduction is caused, the breakdown between the two power terminals and the insulation of the insulating body are caused by the high voltage.

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

It is an object of the present invention to provide a power connector that can effectively avoid high voltage breakdown.

In order to achieve the above object, the present invention provides a power connector including an insulative housing and at least one pair of power terminals, the insulative housing having a docking space and a tongue in the docking space, the pair of power terminals having opposite arrangements a power supply terminal, each of the power supply terminals has a fixing portion fixed to the insulating body, and extends forward from the end of the fixing portion into the docking space a contact piece inside, a soldering leg connected to the other end of the fixing portion and extending downwardly, the two contact pieces of the power supply terminal pair are oppositely and spaced apart in the height direction, and respectively located in the height direction of the tongue plate The two sides of the tongue plate are respectively disposed on the two sides in the lateral direction with a retaining wall extending in the abutting direction, wherein the lateral direction is perpendicular to the height direction, and the retaining wall extends in the height direction, and the tongue plate has two The aforementioned retaining wall on the side extends in opposite directions so that the front end of the tongue is Z-shaped.

As a further improvement of the present invention, the foregoing retaining wall extends forward beyond the front end surface of the aforementioned contact piece, and each of the foregoing retaining walls is provided with a guiding structure at the front end.

As a further improvement of the present invention, the guiding structure includes a first inclined surface on an upper side thereof and a second inclined surface on an outer side thereof.

As a further improvement of the present invention, the contact piece is a horizontally placed sheet-like structure, and the front end thereof is provided with a guide portion which is obliquely extended.

According to a further improvement of the present invention, the insulating body is provided with a partition wall and the partition wall is inserted in the front-rear direction to receive a pair of receiving passages corresponding to the power terminal, and the docking space is formed in front of the partition wall and the pair of receiving passages In connection with each other, the tongue plate is formed to extend forward from the middle portion of the partition wall.

According to a further improvement of the present invention, the width of the fixing portion of each of the power terminals is larger than the width of the contact piece in the lateral direction, so that a limiting portion is formed in front of both sides of the fixing portion, and the partition wall is provided in the foregoing A stop in front of the stop to prevent it from moving forward.

As a further improvement of the present invention, the fixing portion of each of the foregoing power terminals protrudes outwardly from both sides in the lateral direction with a holding portion that interferes with the partition wall.

According to a further improvement of the present invention, the insulative housing further has a partition wall penetrating through the pair of through slots, and the pair of through slots are respectively located outside the corresponding receiving passages and communicating therewith.

As a further improvement of the present invention, the width of the through groove in the lateral direction is smaller than the width of the receiving passage.

As a further improvement of the present invention, the power connector has a plurality of pairs of the power terminal and the plurality of signal terminals arranged side by side in the lateral direction, and the plurality of signal terminals are located on one side of the pair of the plurality of power terminals in the lateral direction.

Compared with the prior art, the tongue plate of the power connector of the present invention is respectively provided with a retaining wall extending in the height direction on both sides in the lateral direction, so that the arc crawling distance between the upper and lower adjacent power terminals is increased. Effectively prevent high voltage breakdown.

100‧‧‧Power connector

1‧‧‧Insulating body

11‧‧‧ Main body

112‧‧‧ partition wall

1121‧‧‧stop

113‧‧‧ Containment passage

114‧‧‧through slot

12‧‧‧Docking Department

120‧‧‧ docking space

121‧‧‧ tongue plate

122‧‧‧Retaining wall

1221‧‧‧ first inclined surface

1222‧‧‧Second inclined surface

123‧‧ ‧Tongue

13‧‧‧Installation column

2‧‧‧Power terminal pair

21‧‧‧Power terminal

211‧‧‧ Fixed Department

2112‧‧‧Limited

2113‧‧‧ Holding Department

212‧‧‧Contact film

2121‧‧‧Guide

213‧‧‧ solder feet

214‧‧‧Connecting Department

3‧‧‧ Signal Terminal

31‧‧‧Combination

32‧‧‧Contacts

33‧‧‧ tail

34‧‧‧ head

4‧‧‧Baffle

41‧‧‧ base

411‧‧‧Perforation

412‧‧‧ mounting holes

42‧‧‧ buckle arm

421‧‧‧Locking Department

The first figure is an assembled view of the power connector of the present invention.

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

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

The fourth figure is another perspective exploded view of the power connector shown in the first figure.

Figure 5 is a front view of the power connector shown in the first figure.

Figure 6 is a perspective view of a power terminal in the power connector shown in the fourth figure.

Figure 7 is a cross-sectional view showing the insulative housing of the power connector shown in the fourth figure.

The eighth figure is a cross-sectional view of the power terminal of one of the power connectors shown in the third figure after being assembled with the insulating body.

Referring to the first to eighth figures, a preferred embodiment of the power connector 100 of the present invention is shown. The power connector 100 includes an insulative housing 1 and at least one power source fixed to the insulative housing 1 The terminal pair 2 has two power supply terminals 21 disposed opposite to each other.

Referring to the second to fifth figures, and in conjunction with the seventh figure, the insulative housing 1 has a main body portion 11, an abutting portion 12 extending forward from the main body portion 11, and one extending downward from the main body portion 11. In the mounting post 13, the pair of mounting posts 13 are located on both sides of the main body portion 11 in the lateral direction to fix the power connector 100 to a circuit board (not shown).

The abutting portion 12 has a docking space 120 for receiving the mating connector and a tongue plate 121 located in the mating space. The tongue plate 121 is respectively disposed with a retaining wall 122 on both sides in the lateral direction, and the retaining wall 122 is in the height direction. The foregoing retaining wall 122 on both sides of the tongue plate 121 extends in opposite directions so that the front end of the tongue plate 12 is Z-shaped, so as to strengthen the strength of the tongue plate 121. Each of the foregoing retaining walls 122 is provided with a guiding structure at a front end thereof. The guiding structure includes a first inclined surface 1221 on the outer side in the height direction and a second inclined surface 1222 on the outer side in the lateral direction.

The insulating body 1 is provided with a partition wall 112 located inside the main body portion 11 and a pair of receiving passages 113 for inserting the partition wall 112 in the front-rear direction to receive the power terminal 21, and the docking space 120 is formed therebetween. The partition wall 112 is forwardly connected to the pair of receiving passages 113, and the tongue plate 121 is formed to extend forward from the central portion of the partition wall.

The insulative housing 1 further has a partition wall 112 extending through the pair of through slots 114 in the front-rear direction, and the pair of through slots 114 are respectively located outside the corresponding receiving passage 113 and communicate with the same, and the width of the through slot 114 in the lateral direction The width of the receiving passage 113 is smaller than that of the receiving passage 113. Therefore, the power terminal 21 can be limited to the corresponding receiving passage 113, and can be effectively dissipated by the through slot 114 communicating with the receiving passage 113.

Each of the power terminals 21 has a fixing portion 211 fixed to the insulative housing 1 and a contact piece 212 extending forwardly from one end of the fixing portion 211 into the mating space 120. In the present embodiment, the fixing portion 211 extends downwardly to form a plurality of soldering legs 213. Specifically, the contact pads 212 of the power terminal 21 are soldered. The foot 213 has a one-to-five relationship.

The two contact strips 212 of the pair of power supply terminals 2 are oppositely and spaced apart in the height direction, and are respectively located on both sides of the tongue plate 121 in the height direction, respectively, by the two sides of the tongue plate 121 in the lateral direction The height direction is extended with a retaining wall 122, which can obviously increase the arc creeping surface distance between the upper and lower adjacent power terminals 21 to prevent high voltage breakdown; and prevent conduction between two adjacent power terminals 21; In addition, the insertion and assembly of the power terminal 21 can be guided at the side in the lateral direction of the contact piece 212 to reduce and avoid assembly deflection. The contact piece 212 is a horizontally placed sheet-like structure, and a front end thereof is provided with an inclined extending guide portion 2121. The retaining wall 122 of the insulative housing 1 extends forward beyond the front end surface of the contact piece 212.

The fixing portion 211 of each of the power terminals 21 has a width in the lateral direction that is larger than the width of the contact piece 212, so that a limiting portion 2112 is formed in front of both sides of the fixing portion 211, and the partition wall 112 is provided in the foregoing The stop portion 1112 is forwardly disposed to stop the stopper portion 1121 from moving forward. The fixing portion 211 of each of the power terminals 21 protrudes outwardly from the two sides in the lateral direction with a holding portion 2113 that interferes with the partition wall 112. The limiting portion 2112 is located in front of the holding portion 2113.

In the present embodiment, each of the power terminals 21 further has a connecting portion 214 that connects the fixing portion 211 and the solder fillet 213. The top end of the connecting portion 214 is bent and connected to the fixing portion 211. The five solder fillets 213 are formed to extend downward from the bottom end of the connecting portion 214 and are arranged in a row in the lateral direction, and the solder tails 213 of the upper and lower adjacent power supply terminals 21 are aligned in the front-rear direction.

The lengths of the two fixing portions 211 of the pair of power supply terminals 2 are different from each other, and the length of the fixing portion 211 of the power supply terminal 21 of the upper contact piece 212 is extended rearward than the contact piece 212. The length of the fixing portion of the power terminal 21 is short, so that the soldering leg 213 of the power terminal 21 with the contact piece 212 located above is located behind the soldering leg 213 of the power terminal 21 below the contact piece 212, thereby making the power terminal pair 2 The soldering feet 213 are arranged in two rows of front and rear.

In the present embodiment, the power connector 100 has a plurality of pairs of the power terminal pair 2 and the plurality of signal terminals 3 arranged side by side in the lateral direction, and the plurality of signal terminals 3 are located on one side of the plurality of power source terminal pairs 2 in the lateral direction. .

Each of the signal terminals 3 includes a joint portion 31 that interferes with the insulative housing 1 , a contact portion 32 that extends forward from the front end of the joint portion 31 to protrude into the mating space 120 , and a rear end of the joint portion 31 . The tail portion 33 is bent downwardly and the head portion 34 is located in front of the contact portion 32. The contact portion 32 is divided into two rows and is exposed on the correspondingly disposed tongue portion 123 of the insulative housing 1 and is disposed at the height of the tongue portion 123. On both sides. The head portion 34 is located at the front end of the signal terminal 3, and its end is inserted into the tongue portion 123 of the insulative housing 1 to prevent the front end of the signal terminal 3 from being warped.

Referring to the second to fourth figures, the power connector 100 further has a partition 4 assembled to the rear of the insulative housing 1 to position the signal terminal 3 to the insulative housing 1. The baffle plate 4 has a base body 41 and a latching arm 42 projecting upwardly from the two sides of the base body 41 in the lateral direction. The top end of the latching arm 42 is a free end thereof, and the top end is provided with the insulative body. A phase lock is used to fix the partition 4 to the latching portion 421 of the insulative housing 1 described above. A plurality of through holes 411 and a mounting hole 412 at a front portion of the through hole 411 are formed in the base body 41. The tail portion 33 of the signal terminal 3 is inserted downwardly through the corresponding through hole 411, and the bottom of the insulating body 1 is disposed. There is a bump (not shown) that is inserted into the mounting hole 412 in the height direction and fixedly fitted thereto.

It is to be understood that the equivalent changes made to the present invention under the teachings of the present invention should still be included in the scope of the claims of the present invention. In the scope.

Claims (10)

A power connector includes an insulative housing and at least one pair of power terminals, the insulative housing has a docking space and a tongue plate located in the docking space, and the pair of power terminals has two power terminals disposed opposite each other, and each of the power terminals has a fixing portion fixed to the insulating body, a contact piece extending from one end of the fixing portion into the mating space, a soldering leg connected to the other end of the fixing portion and extending downwardly, and two pairs of the power terminal The foregoing contact pieces are oppositely and spaced apart from each other in the height direction, and respectively located on two sides of the tongue plate in the height direction, wherein the tongue plates are respectively provided with a retaining wall extending in the mating direction along the two sides in the lateral direction, the lateral direction The direction is perpendicular to the height direction, and the retaining walls all extend in the height direction, and the retaining walls on both sides of the tongue plate extend in opposite directions so that the front end of the tongue is Z-shaped. The power connector of claim 1, wherein the retaining wall extends forward beyond the front end surface of the contact piece, and each of the foregoing retaining walls has a guiding structure at a front end thereof. The power connector of claim 2, wherein the guiding structure comprises a first inclined surface on an upper side thereof and a second inclined surface on an outer side thereof. The power connector of claim 1, wherein the contact piece is a horizontally placed sheet-like structure, and a front end thereof is provided with an inclined extending guide portion. The power connector of claim 1, wherein the insulating body is provided with a partition wall and the partition wall is inserted in the front-rear direction to receive one of the power supply terminals and the receiving passage, and the docking space is formed between the foregoing The tongue plate is in front of the partition wall and communicates with the pair of receiving passages, and the tongue plate is formed to extend forward from the middle portion of the partition wall. The power connector of claim 5, wherein the fixing portion of each of the foregoing power terminals has a width in a lateral direction larger than a width of the contact piece to be in front of both sides of the fixing portion thereof. Respective portions are respectively formed, and the partition wall is provided with a stopper located in front of the stopper portion to prevent forward movement thereof. The power connector of claim 5, wherein the fixing portion of each of the power terminals protrudes outwardly from both sides in a lateral direction with a retaining portion that interferes with the partition wall. The power connector of claim 5, wherein the insulating body further has a partition wall penetrating through the pair of through slots, wherein the pair of through slots are respectively located outside the corresponding receiving passages and are in communication therewith. The power connector of claim 8, wherein the width of the through groove in the lateral direction is smaller than the width of the receiving channel. The power connector of any one of the preceding claims, wherein the power connector has a plurality of pairs of the power terminals and a plurality of signal terminals arranged side by side in a lateral direction, the plurality of signal terminals It is located on one side of the aforementioned plurality of power supply terminal pairs in the lateral direction.