TW202130052A - Electrical Connector - Google Patents

Abstract

The present invention relates to an electrical connector, which comprises an insulative housing provided with a mating space and at least one power contact module defined in the insulative housing. The power contact module comprises a power contact group and an insulating member retaining the power contact group. The power contact group has a first power contact and a second power contact, each one of the first power contact and the second power contact has a retaining portion held in the insulating member, at least one contacting portion extending into the mating space from one end of the retaining portion, and at least one soldering leg extending from another end of the retaining portion. The retaining portions of the first power contact and the second power contact are arranged along a height direction of the insulative housing in the insulating member, the contacting portions of the first power contact and the second power contact are arranged along a transverse direction of the insulative housing, and the soldering legs of the first power contact and the second power contact are arranged along a front-and-rear direction.

Description

Electrical connector

The invention relates to an electrical connector, in particular to an electrical connector with a relatively low height.

In order to transmit larger currents, the conventional electrical connector increases the transmission area of the power terminal to make it a sheet structure. Each power terminal usually has one or more contact arms extending forward from the front end of the sheet body. At the same time, multi-chip power terminals arranged in the height direction are used to achieve the purpose of transmitting more current.

As shown in the first to second figures, a conventional electrical connector 900 is shown. The electrical connector 900 is mounted on the circuit board 81 and includes an insulating body 91 and a plurality of power terminal pairs 92 fixed to the insulating body 91. Each power terminal in each power terminal pair 92 has a plurality of contact parts 921 for contacting with the mating element. The four power terminals of the two power terminal pairs 92 are arranged in the height direction to transmit a larger current . When the electrical connector 900 is electrically connected to the golden finger 82 and the motherboard 83 of the power supply device, since the center height of the electrical connector 900 is relatively high, but the center height of the motherboard 83 is relatively low, an adapter element is needed. 84 to achieve electrical connection with the motherboard 83.

As mentioned above, in order to facilitate the electrical connection between the electrical connector and the mating component, it is necessary to reduce the height of the electrical connector itself, so the production and assembly of the power terminal with a large number of pieces becomes particularly difficult; in addition, the electrical connection The device 900 adopts a board mounting method, and its overall height is higher than that of a sinking board (also called a broken board) connector, which cannot achieve a low height or meet the requirements for more efficient use of space. Take the electrical connector with four power terminals arranged in the height direction as an example. According to the traditional manufacturing process, if the power terminal pair located on the upper side is installed in the insulating body, the solder feet of the power terminal pair located on the lower side are folded. After bending, it is put into the insulating body. When the center height of the electrical connector is set to be low, the power terminal pair located in the upper row will be difficult to bend to form a downwardly extending solder foot; if the power terminal located on the upper side is folded in half first After being bent to form a downward welding leg, and then installed in the insulating body, the installation space of the power terminal pair located on the lower side will be blocked, and the power terminal pair on the lower side cannot be installed in the insulating body.

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

The purpose of the present invention is to provide an electrical connector with low height and convenient electrical connection.

In order to achieve the above object, the present invention provides an electrical connector, which includes an insulating body formed with a mating space and a terminal module arranged in the insulating body; the terminal module includes a terminal group and an insulation for fixing the terminal group The terminal set includes a first power terminal and a second power terminal, the first power terminal and the second power terminal both have a holding part fixed in the insulating member, and the contact of the insulating member extends from one end of the holding part Part and solder feet extending from the other end of the holding part; wherein the holding parts of the first power terminal and the second power terminal are arranged in the insulating member along the height direction of the insulating body, and the first power terminal and The contact parts of the second power terminal are arranged in a horizontal arrangement along the aforementioned insulating body, and the solder feet are arranged in a front-to-back direction.

As a further improvement of the present invention, the insulative body has a mating part and a mounting part that are connected back and forth, the mating space is formed in the mating part, and the mounting part has a mounting surface for mounting on an external circuit board, in the height direction , The aforementioned mounting surface is not lower than the horizontal center surface of the aforementioned butting portion.

As a further improvement of the present invention, the electrical connector includes a plurality of the terminal groups, and the contact parts of the plurality of terminal groups protrude from the mating space and are symmetrically arranged on both sides of the horizontal center surface of the mating part.

As a further improvement of the present invention, the insulator is provided with a mounting groove for fixing the holding portion of the terminal group, and the terminal group and the insulator form a terminal module and then installed and fixed to the insulating body.

In order to achieve the above object, the present invention also provides an electrical connector, which includes an insulating body, a plurality of power terminals, and an insulating member for fixing the power terminals. For mounting on the mounting surface of the external circuit board, the power terminal has a holding part, a contact part extending from one end of the holding part, and a solder foot extending from the other end of the holding part, the holding part has a setting higher than the mounting surface The extension part, the welding foot is formed by bending the extension part; wherein, in the height direction of the insulating body, a plurality of power terminals are arranged in pairs at the mating part, and the contact part is located at the extension part of the power terminal on the lower side Not lower than the plane where the contact portion of the power terminal is located on the upper side, the insulator and the power terminal form a terminal module and then are mounted and fixed on the insulator body from back to front. The insulator has a holding portion for the power terminal In the installation slot for installation, the contact portion protrudes from the front end of the insulator and extends to the mating portion.

As a further improvement of the present invention, the mounting portion of the aforementioned insulating body is provided with a mounting cavity opened backwards, a bearing wall located at the bottom of the mounting cavity, and a top cover arranged on the top of the mounting cavity and co-limiting the insulating member with the bearing wall. The supporting wall is provided with a positioning structure for limiting the aforementioned insulating member in the front and rear direction.

As a further improvement of the present invention, the insulative body further has a limit wall that limits the insulator in the height direction together with the load-bearing wall, and the top cover is assembled on the back side of the insulator to resist it in the front-to-rear direction Limit.

As a further improvement of the present invention, the insulator includes a first insulator and a second insulator that are assembled with each other, and the installation groove includes a first installation groove provided on the first and second insulators to accommodate the holding portion And the second installation groove, the aforementioned first installation groove and the second installation groove are spaced apart along the height direction.

As a further improvement of the present invention, the aforementioned power terminals arranged in pairs are mounted on the same aforementioned insulating member, and the aforementioned insulating member has a first insulating member and a second insulating member arranged transversely buckled together, the first insulating member, The second insulator has a first installation groove and a second installation groove spaced apart along the height direction to respectively install the power terminals whose contact portions are located on different sides of the horizontal center surface of the mating portion.

As a further improvement of the present invention, the insulator includes a first insulator and a second insulator that are assembled together along the height direction, and the first and second insulators are respectively provided with a plurality of the installation grooves at intervals along the lateral direction, To fix the power terminal with the contact part on the upper side and the power terminal with the contact part on the lower side respectively.

As a further improvement of the present invention, the retaining portion further has a plate body portion located on the lower side of the extending portion, and the mounting groove includes a first mounting groove and a second mounting groove spaced along the height direction to accommodate and fix the plate body. Department and extension.

Compared with the prior art, the electrical connector of the present invention has a lower center height so as to be electrically connected to the mating element. The terminal group includes a first power terminal and a second power terminal, the first power terminal and the second power terminal The holding parts are arranged in the insulator along the height direction of the insulating body, the contact parts of the first power terminal and the second power terminal are arranged in the transverse direction of the insulating body, and the welding feet are arranged in the front-to-back direction. The aforementioned terminal group is fixed to the insulator and is jointly inserted into the insulating body from the rear side of the aforementioned insulating body, so that the power terminals arranged in multiple pieces in the height direction can be easily bent to form downwardly extending solder feet and can be It is easily assembled into the insulating body.

Please refer to Figures 3 to 12 for the first embodiment of the electrical connector of the present invention. The electrical connector 100 includes an insulating body 1 formed with a mating space 120 and a terminal mold disposed in the insulating body 1 Group. For ease of description, the following description regards the butt end of the electrical connector 100 as the front end, and the other end opposite to the butt end as the back end. The butt direction, meanwhile, defines one direction perpendicular to the front and rear direction as the transverse direction, and the other direction perpendicular to the front and back direction as the height direction. In this embodiment, the dimension of the aforementioned insulating body 1 in the transverse direction is greater than its height The size in the front and rear directions.

Please refer to Figures 3 to 5 in combination with Figures 11 to 12. In the present invention, the aforementioned insulating body 1 has a mounting portion 11 for mounting on a circuit board (not shown), The mating portion 12 extending forward from the aforementioned mounting portion 11, a plurality of terminal grooves 13 extending in the front-rear direction, and a plurality of partitions 14 extending in the front-rear direction, each of two adjacent terminal grooves 13 is provided with the aforementioned partition 14. The terminal groove 13 penetrates the insulating body 1 in the front-to-rear direction, and the partition 14 extends forward from the mounting portion 11 to the front end surface 121 of the mating portion 12.

Please refer to the fifth, eleventh and twelfth figures. In the present invention, the mounting portion 11 has a mounting surface 110 for mounting on a circuit board. In the height direction, the mounting surface 110 is not It is lower than the horizontal center plane C-C' of the aforementioned butting portion 12.

Specifically, in this embodiment, the mounting portion 11 has a mounting cavity opened backwards, a bearing wall 112 located at the bottom of the mounting cavity, an extension arm 113 extending backwards and protruding from the bearing wall 112, and arranged on the top of the mounting cavity Together with the supporting wall 112, it limits the top cover 6 of the insulating member 3 along the height direction, and the mounting surface 110 is the bottom surface of the extending arm 113. The supporting wall 112 is in the shape of a plate and has a positioning structure that limits the insulating member 3 in the front-to-rear direction; in this embodiment, the positioning structure is a plurality of positioning holes 1121 cooperating with the insulating member 3, and further, In this embodiment, a plurality of the positioning holes 1121 are arranged in a row along the transverse direction and formed downwardly from the upper surface of the supporting wall 112, and each of the positioning holes 1121 penetrates the supporting wall 112 in the height direction.

The extension arm 113 has a guide groove 1132 that is recessed forwardly from its rear end surface, a notch 1133 that communicates with the guide groove 1132, and a clamping hole 1134 that communicates with the guide groove 1132. The notch 1133 The top surface of the extension arm 113 is recessed downwards until it communicates with the guide groove 1132. In this embodiment, the front end surface of the notch 1133 is coplanar with the front end surface of the guide groove 1132. The groove bottom surface 1135 of the guiding groove 1132 is recessed downward, and further, the aforementioned clamping hole 1134 penetrates the aforementioned extension arm 113 downward.

In addition, the rear side of the mounting portion 11 has a first mounting surface 114 and a second mounting surface 115 spaced apart in the front-to-rear direction, and in the front-to-rear direction, the first mounting surface 114 is located on the front side of the second mounting surface 115. The rear end surface of the supporting wall 112 is located on the rear side of the aforementioned second mounting surface 115.

The aforementioned insulating body 1 also has a limit wall 116 that limits the aforementioned insulating member 3 in the height direction together with the aforementioned supporting wall 112. In this embodiment, the aforementioned top cover 6 is assembled on the rear side of the aforementioned insulating member 3 to move in the front-rear direction. Resist and limit it.

The mating portion 12 has the mating space 120 opened forwardly to accommodate mating components, and the terminal groove 13 is in communication with the mating space 120.

Please refer to the third, eleventh and twelfth figures. In this embodiment, the aforementioned terminal groove 13 includes a first groove portion 131 and a second groove portion 132 that are communicated with each other, wherein the aforementioned first groove portion 131 is located on the front side to accommodate the contact portion 202 of the aforementioned power terminal pair 2, and the aforementioned second groove portion 132 is located on the rear side to accommodate and position the holding portion 201 of the aforementioned power terminal pair 2.

In this embodiment, the aforementioned insulating body 1 has upper and lower rows of terminal grooves 13 and a partition wall 15 formed between the upper row of terminal grooves 13 and the lower row of terminal grooves 13, and the aforementioned partition wall 15 extends along the aforementioned transverse direction. Inside the aforementioned mounting portion 11, the upper and lower row terminal slots 13 are separated. Furthermore, the partition wall 15 extends forward from the first mounting surface 114 of the mounting portion 11 but does not extend forward into the mating portion 12.

In addition, the insulating body 1 further has a plurality of limiting protrusions 16 connected to the partition wall 15, and each of the limiting protrusions 16 is formed by protruding upward or downward from the partition wall 15 and enters the corresponding terminal groove 13 . In the present invention, a row of the limiting protrusions 16 is formed on the upper and lower sides of the partition wall 15 respectively.

Please refer to Figures 3 to 9 in combination with Figures 11 and 12. The aforementioned terminal module includes a terminal set 2 and an insulating member 3 for fixing the aforementioned terminal set 2; the aforementioned terminal set 2 includes a first A power terminal and a second power terminal. The aforementioned terminal set 2 is fixed in the corresponding terminal groove 13 of the aforementioned insulating body 1 and divided into at least two rows arranged in the height direction. The aforementioned holding part 201 in the part 3, the contact part 202 of the aforementioned insulating part 3 extending from one end of the aforementioned holding part 201, and the welding foot 203 extending from the other end of the aforementioned holding part 201.

The holding portions 201 of the first and second power terminals are arranged in the insulating member 3 along the height direction of the insulating body 1, and the contact portions 202 of the first and second power terminals are arranged along the insulating body. 1 is arranged horizontally, and the welding feet 203 are arranged in a front-to-back direction. The contact portion 202 is curved and has a contact area 2020 protruding toward the horizontal center surface CC′ of the mating portion 12. The welding feet 203 are formed by bending and extending downward from the rear end of the holding portion 201, and the welding feet 203 of each group 2 are arranged in front and rear rows.

In this embodiment, the aforementioned terminal groups 2 are arranged in pairs and spaced along the height direction, and the contact portions 202 of the aforementioned terminal groups 2 protrude from the aforementioned mating space 120 and are symmetrically arranged on the horizontal center plane C-C' of the aforementioned mating portion 12 On both sides, that is, in the height direction of the insulating body 1, a plurality of power terminals 21 are arranged opposite to each other at the mating part 12, and the contact part 202 protrudes from the front end of the insulating member 3 and extends to the mating part 12.

The contact portions 202 of the first power terminal and the second power terminal in each of the aforementioned terminal groups 2 are arranged in a row along the height direction, and the plurality of contact portions 202 of the aforementioned first and second power terminals are alternately arranged in the transverse direction. Of course, the contact portions 202 of the first power terminal and the second power terminal in each of the aforementioned terminal groups 2 can also be arranged in a staggered height direction, as long as they can be mated with the mating component, the first in each aforementioned terminal group 2 The contact portion 202 of the first power terminal and the second power terminal may be on the same horizontal plane along the height direction.

Each of the aforementioned holding portions 201 includes a plate body portion 2011 extending in a horizontal direction, an inclined portion 2012 formed by bending upward and backward from the rear end of the aforementioned plate portion 2011, and a bending portion formed by bending backward from the top end of the aforementioned inclined portion 2012 The extension portion 2013 is such that the extension portion 2013 is located on the upper side of the plate body portion 2011, and the extension portion 2013 is set higher than the mounting surface 110, and the solder foot 203 is formed by bending the extension portion 2013. The length of the extension portion 2013 of the terminal group 2 on the upper side in the front-rear direction is greater than the length of the plate body portion 2011 of the corresponding power terminal 21 in the front-rear direction. In addition, the extension 2013 of the power terminal 21 with the contact portion 202 located on the lower side is not lower than the plane of the contact portion 202 of the power terminal 21 with the contact portion 202 located on the upper side.

In addition, each of the aforementioned holding portions 201 further has an interference portion 2014 protruding from the outer side of the aforementioned plate portion 2011 or the extension portion 2013. In this embodiment, the aforementioned interference portion 2014 of the terminal group 2 located on the upper side is located on the outer side of the corresponding extension portion 2013, and the aforementioned interference portion 2014 of the terminal group 2 located on the lower side is located on the outer side of the corresponding plate body portion 2011.

In this embodiment, the plate body parts 2011 of the two power terminals 21 in the same terminal group 2 are stacked in the height direction, and the extension parts 2013 of the two power terminals 21 in the same terminal group 2 are also stacked in the height direction. There is a small gap between the inclined portions 2012 of the two power terminals 21 in the same terminal group 2. In addition, the plate body portions 2011 of the two power terminals 21 in each of the aforementioned terminal groups 2 are mounted and fixed in the same aforementioned terminal slot 13 from the rear side of the aforementioned mounting portion 11 forwards.

In addition, each of the aforementioned power terminals 21 also has a plurality of elastic contact arms 204 extending forwardly from the front end of the holding portion 201. The aforementioned contact portions 202 are located on the front side of the corresponding contact arm 204 to contact the aforementioned mating element. The 204 passes forward through the second groove portion 132 of the aforementioned terminal groove 13 and is received in the aforementioned first groove portion 131.

In the embodiment shown in the present invention, each power terminal 21 has two contact portions 202 extending forward from its holding portion 201. In other embodiments, each power terminal 21 may also have one or three contacts. Or more contacts 202.

As shown in Figure 12, in the direction from top to bottom, the lengths of the extensions 2013 of the four power terminals 21 in the two terminal groups 2 arranged oppositely in the aforementioned front-to-rear direction are successively reduced, so that the aforementioned four The solder feet 203 of the power supply terminals 21 are arranged in four rows in the front-rear direction, and the solder feet 203 of the lowermost power terminal 21 are located on the front side, and the solder feet 203 of the uppermost power terminal 21 are located on the rearmost side.

Each of the aforementioned power terminals 21 also has a plate-shaped portion 205 bent and extended downward from the rear end of the aforementioned holding portion 201, the aforementioned plate-like portion 205 is arranged parallel to the vertical surface, and the aforementioned solder foot 203 is formed from the bottom end of the aforementioned plate-like portion 205 It is formed by extending downward and extending in a vertical direction to be plugged into an external circuit board (not shown).

Please refer to Figures 3 to 9 in combination with Figures 11 to 12, the aforementioned terminal set 2 is fixed to the aforementioned insulator 3 and then is jointly inserted into the insulative body from the rear side of the aforementioned insulative body 1 1 within. Specifically, after the aforementioned terminal group 2 is bent and the aforementioned solder foot 203 is formed, it is then fixed in the aforementioned insulating member 3. Specifically, the aforementioned terminal group 2 can be fixed to the aforementioned insulating member by embedding molding or assembly. In 3, the aforementioned insulating member 3 can be a one-piece structure or a multi-piece assembly structure.

In this embodiment, the aforementioned insulating member 3 includes a first insulating member 31 and a second insulating member 32 assembled with each other. The two rows of the aforementioned terminal sets 2 are fixed to the aforementioned first and second insulating members 31, 32 to form a terminal module. Then it is inserted into the aforementioned insulating body 1.

Further, in this embodiment, the two rows of the aforementioned terminal sets 2 are assembled into the aforementioned first and second insulating members 31, 32 respectively from back to front; in other embodiments, the two rows of the aforementioned terminal sets 2 can also be assembled separately The insert molding is embedded in the aforementioned first and second insulating parts 31, 32, and then assembled into the aforementioned insulating body 1 after being assembled with each other.

The first and second insulators 31 and 32 each have a first installation groove 301 and a second installation groove 302 formed by penetrating them in the front-rear direction to receive the holding portion 201, the first installation groove 301 and the second installation groove 302 are arranged at intervals along the height direction to respectively accommodate and fix the aforementioned plate body portion 2011 and the extension portion 2013.

In the height direction, the second installation groove 302 of the aforementioned first insulator 31 is located on the upper side of the first installation groove 301, and the second installation groove 302 of the aforementioned second insulator 32 is located on the upper side of the first installation groove 301.

Specifically, in this embodiment, the aforementioned first insulating member 31 and the second insulating member 32 are assembled with each other along the height direction, and a row of the aforementioned terminal group 2 is assembled and fixed to the first insulating member 31 to form a first terminal module. Another row of the aforementioned terminal group 2 is assembled and fixed to the second insulating member 32 to form a second terminal module.

The aforementioned first and second insulators 31, 32 each have a plurality of first mounting grooves 301 arranged side by side in the transverse direction and a plurality of second mounting grooves 302 arranged side by side in the transverse direction, and the aforementioned plate body portion 2011 is fixed to the aforementioned first mounting In the groove 301, the aforementioned extension portion 2013 is located in the second installation groove 302.

In addition, in this embodiment, in the front-rear direction, the second installation groove 302 of the aforementioned second insulator 32 is located behind the first installation groove 301 thereof.

In this embodiment, the first insulating member 31 is assembled on the upper side of the second insulating member 32, and the first and second insulating members 31, 32 each have a base 303 and an extension 304 extending backward from the base 303. The first installation groove 301 penetrates the base portion 303 in the front-rear direction, and the second installation groove 302 penetrates the extended portion 304 in the front-rear direction.

The aforementioned first insulating member 31 also has at least one matching portion 311 protruding from the bottom thereof. The aforementioned second insulating member 32 also has a resisting portion 321 protrudingly provided on the top surface 3030 of the base portion 303, at least one mating groove 322 recessed on the top surface 3030 of the base portion 303, and a bottom surface protruding from the base portion 303. Positioning convex portion 323 outside 3031.

After the two rows of the aforementioned terminal sets 2 are respectively fixed to the aforementioned first and second insulating members 31, 32, the aforementioned first and second insulating members 31, 32 are assembled to each other in the height direction, and the aforementioned abutting portion 321 abuts against the aforementioned first On the rear side of the base 303 of the insulating member 31, the matching portion 311 at the bottom of the first insulating member 31 is received and positioned in the corresponding matching groove 322 of the second insulating member 32.

When the first and second insulators 31, 32 with the terminal set 2 are assembled and assembled together in the insulator body 1, the second insulator 32 is supported by the supporting wall 112, and the positioning protrusion 323 is clamped in Inside the corresponding positioning hole 1121 on the aforementioned insulating housing 1.

Please refer to Figures 3 to 5, in this embodiment, the aforementioned electrical connector 100 further has a plurality of signal terminals 4 located on one side of the aforementioned terminal set 2 in the lateral direction, and the aforementioned insulating body 1 also has a A plurality of accommodating grooves 17 for accommodating the signal terminal 4 are arranged on one side of the terminal groove 13. Each signal terminal 4 includes a fixing portion 41, an insertion portion 42 extending from one end of the fixing portion 41, and a pin 43 extending from the other end of the fixing portion 41.

The fixing portion 41 is inserted from the rear side of the mounting portion 11 and fixed in the accommodating groove 17, and the inserting portion 42 located on the front side of the fixing portion 41 protrudes into the docking portion 12 to realize electrical connection with the docking element. connect. In this embodiment, barbs 411 are respectively provided on both sides of the fixing portion 41, and the barbs 411 interfere with the mounting portion 11 to realize the fixing of the signal terminal 4 in the insulating body 1 and prevent it from being connected to the docking device. The signal terminal 4 shakes during docking, which improves docking stability.

In addition, the aforementioned electrical connector 100 further has a seat body 5 assembled to the aforementioned insulating body 1 and fixing the pins 43 of the aforementioned signal terminal 4.

Please refer to Figures 3 to 5 in combination with Figures 10 to 12. In this embodiment, the top cover 6 is assembled on the top of the mounting cavity, and the top cover 6 is plate-shaped and transverse The top cover 6 is assembled in the guide groove 1132 formed on the extension arm 113 from back to front. In other embodiments, the top cover 6 may also be integrally formed on the mounting portion 11.

In this embodiment, the top cover 6 includes a substrate 61 and a pair of insertion portions 62 located on both sides of the substrate 61 in the lateral direction. The substrate 61 is provided with a plurality of through holes 612 and protrusions penetrating it in the height direction. On the spacers 613 on the bottom surface, the through holes 612 are located at the rear end of the substrate 61 and are arranged in a row along the transverse direction. Each spacer 613 extends in the front-rear direction and extends from the front end surface of the substrate 61 to the rear end surface of the substrate 61.

Each of the insertion portions 62 has a tip 621 at the front side and a fixing block 622 at the bottom thereof. The tip 621 is sharpened to facilitate the insertion of the insertion portion 62 into the corresponding guiding groove 1132 smoothly.

After the terminal module is installed in the insulative housing 1, the top cover 6 is assembled to the rear of the insulative housing 1 from back to front, and the insertion portion 62 is inserted forward into the corresponding guide groove 1132 until the locking block 622 It is buckled in the clamping hole 1134 to fix the top cover 6 above the rear part of the insulating body 1, and a spacer 613 is provided between two adjacent terminal sets 2. The substrate 61 covers the second half of the extension portion 2013 from the upper side of the extension portion 2013 of the power terminal 21 located on the uppermost side, and the connection portion between the extension portion 2013 of the power terminal 21 and the plate-shaped portion 205 located on the uppermost side Part of it is exposed in the aforementioned through hole 612.

Please refer to Figures 13 to 18, which is a second embodiment of the electrical connector of the present invention. The electrical connector 100' includes an insulating body 1'and a plurality of terminal groups 2 fixed to the insulating body 1'. ', insulator 3', plural signal terminals 4', base 5'and top cover 6', among which the basic of insulating body 1', terminal group 2', signal terminal 4', base 5'and top cover 6' The structure and the assembling relationship are the same as those of the electrical connector 100 in the first preferred embodiment, and will not be repeated here, and only the differences will be described below:

In the second embodiment of the present invention, a pair of opposed power terminals 21' are installed on the same aforementioned insulating member 3', and the aforementioned insulating member 3'has a first insulating member 31' and a second insulating member 31' and a second insulating member 31' and a second insulating member 31' and a second insulating member 31' and a second insulating member 31' and the second insulating member 31' and The aforementioned electrical connector 100' has a plurality of aforementioned insulating parts 3'. In other words, the aforementioned first insulating member 31' and the second insulating member 32' are arranged in pairs, and the paired first and second insulating members 31', 32' are arranged oppositely and buckled with each other in the transverse direction to accommodate the same terminal. Group 2'.

The same as the first embodiment, the aforementioned first and second insulating members 31', 32' each have a first installation groove 301' and a second installation groove 302' spaced apart along the height direction; the difference is that the aforementioned first The first mounting slot 301' of an insulating member 31' and the first mounting slot 301' of the aforementioned second insulating member 32' are disposed opposite to each other, and the second mounting slot 302' of the aforementioned first insulating member 31' is opposite to the aforementioned second insulating member The second installation grooves 302' of 32' are arranged oppositely, so that the first installation groove 301' and the second installation groove 302' are respectively installed with the aforementioned power terminals whose contact portions 202' are located on different sides of the horizontal center surface of the aforementioned mating portion 12' twenty one'. Specifically, after the first insulating member 31' and the second insulating member 32' are buckled together, the first mounting groove 301' of the aforementioned first insulating member 31' and the first mounting slot 301' of the aforementioned second insulating member 32' Communicate with each other to jointly receive the power terminal 21' with the contact portion 202' on the upper side therein, and the second mounting groove 302' of the first insulating member 31' is connected to the second mounting groove 302' of the second insulating member 32' The power terminal 21' with the contact portion 202' located on the lower side is commonly accommodated.

One pair of power terminals 21' arranged in pairs are installed on the same aforementioned insulating member 3', and the two terminal groups 2'arranged in pairs are fixed in the first and second installation grooves 301', 302', respectively. Specifically, in this embodiment, the terminal group 2'located on the upper side of the two terminal groups arranged in a pair is fixed in the first mounting groove 301' of the first and second insulators 31' and 32', and is located The lower terminal group 2'is fixed in the second mounting groove 302' of the first and second insulating members 31', 32'.

In addition, taking the first insulating member 31' and the second insulating member 32' arranged in pairs as an example, one of the aforementioned first insulating member 31' and the second insulating member 32' is provided with a protrusion protruding toward the other. The other of the first insulating member 31' and the second insulating member 32' is provided with a receiving groove 306' for receiving and fixing the protruding portion 305'. At least one of the aforementioned first insulating member 31' and the second insulating member 32' has a positioning protrusion 323' protruding from the bottom thereof to be clamped in the corresponding positioning hole 1121' on the insulating body 1'.

As shown in Figures 14 to 17, it is a schematic diagram of the assembly process of the two terminal groups 2'and the first and second insulators 31' and 32' arranged in pairs. The terminal group 2'is located on the lower side. Put the first insulator 31' into the first installation groove 301', and then put the terminal set 2'on the upper side into the second installation groove 302' of the first insulator 31', and then put the second insulator 32' is assembled on one side of the aforementioned first insulating member 31' along the transverse direction.

Please refer to Figures 19 to 21, which is a third embodiment of the electrical connector of the present invention. The electrical connector 100" includes an insulating body 1", and the Multiple terminal set 2'', insulator 3'', multiple signal terminal 4'', base 5'' and top cover 6'', of which insulator body 1'', terminal set 2'', multiple signal terminal 4' ', the basic structure and assembly relationship of the base body 5" and the top cover 6" are the same as the electrical connector 100 in the first preferred embodiment, and will not be repeated here, and only the differences will be described below. :

Like the first preferred embodiment, the aforementioned terminal groups 2" are also arranged in pairs along the height direction, and the two terminal groups 2" arranged in pairs are arranged oppositely and spaced apart along the aforementioned height direction, and each aforementioned terminal group 2' The plurality of contact portions 202'' of the two pieces of power terminals 21'' in the'' are alternately arranged in the transverse direction, and the contact portions 202'' are located in the same row. The solder feet 203'' of the aforementioned terminal group 2'' are arranged in the transverse direction. Two rows aligned in the direction.

The difference from the first embodiment is that in the third embodiment of the present invention, the aforementioned insulating member 3" includes a plurality of insulating blocks 30" arranged side by side in the transverse direction, and two aforementioned terminal groups 2" are arranged opposite to each other. The inclined portion 2012" and at least part of the plate body portion 2011" and the extension portion 2013" are jointly embedded and molded into one of the aforementioned insulating blocks 30".

In each embodiment of the present invention, the electrical connectors 100, 100', 100" have a relatively low center height so as to be electrically connected to the mating element. The aforementioned terminal sets 2, 2', 2" include a first power terminal and a first power terminal. Two power terminals, the holding parts 201 of the first power terminal and the second power terminal are arranged in the insulators 3, 3', 3" along the height direction of the insulating body 1, 1', 1", The contact portions 202, 202', 202'' of the aforementioned first power terminal and the second power terminal are arranged along the transverse direction of the aforementioned insulating body 1, 1', 1'', and the solder feet 203, 203'' are arranged in the front-rear direction Set, the aforementioned terminal sets 2, 2', 2" are fixed to the insulators 3, 3', 3" and then are jointly installed in the insulating housing 1, from the rear side of the aforementioned insulating housings 1, 1', 1". 1', 1", so that the power terminals 21, 21', 21" arranged in multiple pieces in the height direction can be easily bent to form downwardly extending solder feet and can be easily assembled into the insulating body 1 , 1', 1", and then realize the electric connector 100, 100', 100" can transmit large current, the overall height and the center height are low, and solve the problem of multi-row power terminals that are difficult to assemble. problem.

In particular, it needs to be pointed out that for those of ordinary skill in the art, equivalent changes made to the present invention under the teaching of the present invention should still be included in the claimed scope of the patent application of the present invention.

100, 100', 100'', 900: electrical connector 1, 1', 1'', 91: insulating body 11: Installation Department 110: mounting surface 112: Carrying Wall 1121, 1121': positioning hole 113: Extension arm 1132: guide slot 1133: missing 1134: Snap Hole 1135: groove bottom 114: The first mounting surface 115: second mounting surface 116: Limit Wall 12, 12': docking part 120: docking space 121: front face 13: terminal slot 131: The first groove 132: second groove 14: compartment 15: next wall 16: limit convex 17: accommodating slot 2, 2', 2'', 92: power terminal pair 201: Holding Department 2011, 2011'': Board body 2012, 2012'': Inclined part 2013, 2013'': Extension 2014: Interference Department 202, 202', 202'', 921: contact part 2020: contact zone 203, 203'': solder feet 204: Contact Arm 205: Plate 21, 21', 21'': power terminal 3, 3', 3'': insulating parts 30'': insulating block 301, 301': the first installation slot 302, 302': second installation slot 303: base 3030: top surface 3031: Bottom 304: Extension 305': Overhang 306': Containment Slot 31, 31': the first insulator 311: Cooperating Department 32, 32': the second insulator 321: Block 322: Mating Groove 323, 323': positioning convex part 4, 4', 4'': signal terminal 41: fixed part 411: Barb 42: Socket 43: pin 5, 5', 5'': seat body 6, 6', 6'': top cover 61: substrate 612: Through Hole 613: Spacer 62: Insertion part 621: tip 622: card solid block 81: circuit board 82: Golden Finger 83: Motherboard 84: Adapter element

The first figure is a cross-sectional view of a conventional electrical connector. The second figure is a schematic diagram of the electrical connector shown in the first figure when it is mounted on the circuit board and is opposite to the mating component. The third figure is a three-dimensional assembly diagram of the first embodiment of the electrical connector of the present invention. The fourth figure is a view from another perspective of the electrical connector shown in the third figure. Figure 5 is a partial exploded view of the electrical connector shown in Figure 3. The sixth figure is a partial exploded view of the terminal module in the electrical connector shown in the fifth figure. Figure 7 is a view of the terminal module shown in Figure 6 from another perspective. Figure 8 is a further exploded view of the terminal module shown in Figure 6. The ninth figure is a view from another perspective of the terminal module shown in the eighth figure. Figure 10 is a perspective view of the top cover of the electrical connector shown in Figure 5. Figures 11 to 12 are cross-sectional views of the electrical connector shown in Figure 3 along the line A-A. Figure 13 is a partial exploded view of the second embodiment of the electrical connector of the present invention. Figure 14 is a three-dimensional exploded view of a terminal module of the electrical connector shown in Figure 13. Figure 15 is a partial assembly diagram of the terminal module shown in Figure 14. Figure 16 is a further assembly drawing of the terminal module shown in Figure 15. Figure 17 is a three-dimensional assembly diagram of the terminal module shown in Figure 16. Figure 18 is a cross-sectional view of the electrical connector shown in Figure 13 with the top cover removed and assembled. Figure 19 is a partial exploded view of the third embodiment of the electrical connector of the present invention. Figure 20 is a three-dimensional assembly diagram of a terminal module of the electrical connector shown in Figure 19. Figure 21 is a schematic cross-sectional view of the electrical connector shown in Figure 19 after being assembled.

112: Carrying Wall

1121: positioning hole

113: Extension arm

1132: guide slot

1133: missing

1134: Snap Hole

1135: groove bottom

114: The first mounting surface

115: second mounting surface

12: Docking Department

201: Holding Department

202: Contact

203: Solder foot

205: Plate

21: Power terminal

31: The first insulator

32: The second insulator

321: Block

4: Signal terminal

41: fixed part

42: Socket

43: pin

5: Seat

6: Top cover

612: Through Hole

Claims (11)

An electrical connector, comprising an insulating body formed with a mating space and a terminal module arranged in the insulating body; the terminal module includes a terminal group and an insulating member for fixing the terminal group; the terminal group includes a first power source A terminal and a second power terminal. Both the first power terminal and the second power terminal have a holding portion fixed in the insulating member, a contact portion extending from one end of the holding portion and the insulating member, and a contact portion extending from the other end of the holding portion The solder feet; wherein the holding portions of the first power terminal and the second power terminal are arranged in the insulating member along the height direction of the insulating body, and the contact portion of the first power terminal and the second power terminal is along the aforementioned The insulating body is arranged horizontally, and the welding feet are arranged in a front-to-back direction. The electrical connector described in the first item of the scope of patent application, wherein the insulative body has a mating part and a mounting part that are connected back and forth, the mating space is formed in the mating part, and the mounting part has a mounting part for mounting on an external circuit board. The mounting surface, in the height direction, the mounting surface is not lower than the horizontal center surface of the abutting portion. The electrical connector described in item 2 of the scope of patent application, wherein the electrical connector includes a plurality of the terminal groups, and the contact portions of the plurality of terminal groups protrude from the mating space and are symmetrically arranged on the two horizontal center planes of the mating part. side. The electrical connector described in the first item of the patent application, wherein the insulating member is provided with an installation groove for fixing the holding portion of the terminal group, and the terminal group and the insulating member form a terminal module and then installed and fixed to the insulating body. An electrical connector, which includes an insulating body, a plurality of power terminals, and an insulator for fixing the power terminals. The insulating body has a front-to-back butting portion and a mounting portion, and the mounting portion has a mounting for mounting on an external circuit board. On the other hand, the power terminal has a holding portion, a contact portion extending from one end of the holding portion, and a solder foot extending from the other end of the holding portion, the holding portion has an extension portion set higher than the mounting surface, and the solder foot extends from the foregoing The part is formed by bending; wherein, in the height direction of the aforementioned insulating body, a plurality of power terminals are arranged opposite to each other at the mating part, and the extension part of the power terminal with the contact part on the lower side is not lower than the power terminal with the contact part on the upper side The insulator and the power terminal are located on the plane where the contact part is located, the insulator and the power terminal form a terminal module and are then installed and fixed on the insulative body from back to front. At the front end of the insulating member and extending to the mating portion. The electrical connector as described in item 1 or 5 of the scope of patent application, wherein the mounting part of the aforementioned insulating body is provided with a mounting cavity opened backwards, a bearing wall located at the bottom of the mounting cavity, arranged on the top of the mounting cavity and shared with the bearing wall For the top cover of the position-limiting insulator, the supporting wall is provided with a positioning structure for limiting the insulator in the front-to-rear direction. The electrical connector described in item 6 of the scope of patent application, wherein the insulating body further has a limit wall that limits the insulating member in the height direction together with the carrier wall, and the top cover is assembled on the rear side of the insulating member to It resists and limits it in the front and rear direction. The electrical connector described in item 4 or 5 of the scope of patent application, wherein the aforementioned insulating member includes a first insulating member and a second insulating member assembled with each other, and the aforementioned mounting groove includes a The first installation groove and the second installation groove of the holding part are accommodated, and the first installation groove and the second installation groove are spaced apart along the height direction. The electrical connector described in item 5 of the scope of patent application, wherein the aforementioned power terminals arranged in pairs are mounted on the same aforementioned insulating member, and the aforementioned insulating member has a first insulating member and a second insulating member arranged in a laterally buckled manner. The first insulator and the second insulator have a first installation groove and a second installation groove spaced apart along the height direction to respectively install the power terminals whose contact portions are located on different sides of the horizontal center surface of the mating portion. The electrical connector described in item 5 of the scope of the patent application, wherein the insulating member includes a first insulating member and a second insulating member assembled and arranged in a height direction, and the first insulating member and the second insulating member are spaced apart along the lateral direction. A plurality of the aforementioned mounting grooves are provided to respectively fix the power terminal with the contact portion on the upper side and the power terminal with the contact portion on the lower side. According to the electrical connector described in item 10 of the scope of patent application, wherein the holding portion further has a plate body portion located on the lower side of the extending portion, and the mounting groove includes a first mounting groove and a second mounting groove that are spaced apart along the height direction, The aforementioned plate body part and the extension part are respectively accommodated and fixed.

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