CN210517066U - Electrical connector - Google Patents
Electrical connector Download PDFInfo
- Publication number
- CN210517066U CN210517066U CN201921256953.9U CN201921256953U CN210517066U CN 210517066 U CN210517066 U CN 210517066U CN 201921256953 U CN201921256953 U CN 201921256953U CN 210517066 U CN210517066 U CN 210517066U
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- China
- Prior art keywords
- terminal
- power supply
- power
- contact
- electrical connector
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- 239000012212 insulator Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims abstract 5
- 230000015572 biosynthetic process Effects 0.000 claims abstract 3
- 230000017525 heat dissipation Effects 0.000 claims description 32
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 abstract description 6
- 230000013011 mating Effects 0.000 description 13
- 238000005192 partition Methods 0.000 description 9
- 238000003032 molecular docking Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model provides an electric connector, it has insulator and is fixed in insulator's a plurality of power terminals are right, insulator has for installing installation department on the circuit board, certainly butt joint portion that the installation department extends forward and a plurality of terminal grooves that extend along the fore-and-aft direction, the power terminal is to being fixed in insulator's corresponding terminal inslot just falls into two rows at least along the direction of height range, each in every row the power terminal is to including two power terminals, every power terminal include the fixing portion of fixing and holding in corresponding terminal inslot, certainly a plurality of contact sites that the front end of fixing portion extended forward the formation and certainly the welding part that the rear end of fixing portion extended the formation, each the contact site of two power terminals in the power terminal centering sets up along horizontal direction circulation in turn. The utility model discloses electric connector can effectively improve the condition of generating heat that the power supply terminal is right.
Description
Technical Field
The present invention relates to an electrical connector, and more particularly, to an electrical connector capable of effectively improving the heat generation of a conductive terminal.
Background
The power terminal of the conventional electrical connector is usually formed with one or divided into a plurality of contact arms from the front end of the metal sheet, and when the electrical connector is transmitting current, the highest temperature position of the power terminal is the contact point area of the contact arms, and the current channel is limited because the contact mode of the contact points is only line contact.
In view of the above, there is a need for an improved electrical connector to solve the above problems.
Disclosure of Invention
The invention aims to provide an electric connector which can increase conductor paths and further effectively inhibit heat generation of a conductive terminal.
In order to achieve the above object, the present invention provides an electrical connector, which includes an insulative housing and a plurality of pairs of power terminals fixed to the insulative housing, the insulating body is provided with a mounting part for mounting on a circuit board, a butt joint part extending forwards from the mounting part and a plurality of terminal grooves extending along the front-back direction, the power supply terminal pairs are fixed in corresponding terminal grooves of the insulating body and are divided into at least two rows arranged along the height direction, each power supply terminal pair in each row comprises two power supply terminals, each power supply terminal comprises a fixing part fixed in the corresponding terminal groove, a plurality of contact parts formed by forward extension of the front end of the fixing part and a welding part formed by extension of the rear end of the fixing part, and the contact parts of the two power supply terminals in each power supply terminal pair are alternately and circularly arranged along the transverse direction.
As a further improvement of the present invention, the pairs of power supply terminals are arranged in pairs in the height direction to constitute one group, and the two pairs of power supply terminals in each group of pairs of power supply terminals are arranged oppositely and at an interval in the height direction.
As a further improvement of the present invention, the contact portions of the pair of power supply terminals located in the same row are arranged in two rows offset in the front-rear direction.
As a further improvement of the present invention, the contact areas of the contact portions of the pair of power terminals located in the same row are located on the same horizontal plane when butted against the butting member.
As a further improvement of the present invention, two adjacent contact portions located in the same row are disposed so as to be shifted in the front-rear direction.
As a further improvement of the present invention, the two power terminals in each power terminal pair are respectively an outer terminal and an inner terminal, the holding portions of the two power terminals in each power terminal pair are arranged along the height direction, and are mounted and fixed in the same first terminal groove from the rear side of the mounting portion to the front side.
As a further improvement of the present invention, an angle between the contact arm of the outer terminal and a horizontal plane is larger than an angle between the contact arm of the inner terminal and the horizontal plane.
As a further improvement of the present invention, in the top-down direction, the lengths of the holding parts of the four power terminals in each set of the power terminals in the front-back direction decrease sequentially.
As a further improvement of the invention, the top wall of the insulating body is provided with a plurality of first heat dissipation grooves which penetrate through the insulating body along the height direction, and the first heat dissipation grooves are communicated with the corresponding first terminal grooves on the inner side of the insulating body.
As a further improvement of the present invention, each of the first heat dissipation grooves is a long strip extending in the front-rear direction, and is located above the corresponding contact portion to expose the contact portion to the outside.
The invention has the beneficial effects that: the electric connector arranges the contact parts of the two power terminals in the power terminal pair into a row along the height direction to form the same row of contact parts, and the contact parts of the two power terminals are alternately and circularly arranged along the transverse direction, so that the current channel can be effectively increased, the heating condition of the power terminal pair is reduced, and the transmission reliability of the electric connector is improved.
Drawings
Fig. 1 is a perspective assembly view of the electrical connector according to the first preferred embodiment of the present invention.
Fig. 2 is an exploded perspective view of the electrical connector shown in fig. 1.
Fig. 3 is a view of the electrical connector of fig. 1 from another perspective.
Fig. 4 is a perspective view of the insulative housing of the electrical connector of fig. 2.
Fig. 5 is a perspective view of a set of power terminal pairs of the electrical connector of fig. 2.
Fig. 6 is an exploded perspective view of a set of power terminal pairs of the electrical connector shown in fig. 5.
Fig. 7 is a side view of a set of power terminal pairs of the electrical connector shown in fig. 5.
Fig. 8 is a schematic cross-sectional view of the electrical connector of fig. 1.
Fig. 9 is a schematic cross-sectional view of the electrical connector of fig. 1 with one of the power terminal pairs removed.
Fig. 10 is a perspective assembly view of the electrical connector according to the second preferred embodiment of the present invention.
Fig. 11 is an exploded perspective view of the electrical connector of fig. 10.
Fig. 12 is a partially exploded view of a set of power terminal pairs of the electrical connector of fig. 11.
Fig. 13 is a schematic cross-sectional view of the electrical connector of fig. 10.
Fig. 14 is a perspective assembly view of the electrical connector according to the third preferred embodiment of the present invention.
Fig. 15 is an exploded perspective view of the electrical connector of fig. 14.
Fig. 16 is a partially exploded view of a set of power terminal pairs of the electrical connector of fig. 15.
Fig. 17 is a side view of a set of power terminal pairs of the electrical connector of fig. 15.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiment, and structural, methodological, or functional changes made by one of ordinary skill in the art according to the embodiment are included in the scope of the present invention.
Referring to fig. 1 to 9, which illustrate a first preferred embodiment of the electrical connector of the present invention, the electrical connector 100 includes an insulative housing 1 and a plurality of power terminal pairs 2 fixed to the insulative housing 1. For convenience of description, the following description will be made with the mating end of the electrical connector 100 as a front end and the other end opposite to the mating end as a rear end, that is, the front-rear direction is the mating direction of the electrical connector 100 and the mating element (not shown), and meanwhile, one direction perpendicular to the front-rear direction is defined as a transverse direction and the other direction perpendicular to the front-rear direction is defined as a height direction.
Referring to fig. 1 to 4 in combination with fig. 8 to 9, in the present invention, the insulation body 1 has a mounting portion 11 for mounting on a circuit board (not shown), an abutting portion 12 extending forward from the mounting portion 11, a plurality of first terminal grooves 13 extending in a front-back direction, and a plurality of partition bars 14 extending in the front-back direction, and one partition bar 14 is disposed between every two adjacent first terminal grooves 13. The first terminal groove 13 penetrates the insulating body 1 in the front-rear direction, and the partition 14 extends forward from the base 11 to the front end surface 121 of the mating portion 12.
The docking portion 12 has a docking space 120 provided open forward to receive a docking element, and the first terminal groove 13 communicates with the docking space 120.
In the present embodiment, the insulative housing 1 has upper and lower rows of first terminal grooves 13 and a partition wall 15 formed between the upper row of first terminal grooves 13 and the lower row of first terminal grooves 13, and the partition wall 15 is formed inside the base 11 to extend in the transverse direction and to separate the upper and lower rows of first terminal grooves 13. Further, the partition wall 15 extends forward to a front end face of the base 11, which does not extend forward into the abutting portion 12.
The rear side of the base portion 11 has a first mounting surface 111, a second mounting surface 112, and a third mounting surface 113 that are provided at intervals in the front-rear direction, wherein the third mounting surface 113, the second mounting surface 112, and the first mounting surface 111 are arranged in this order in the front-rear direction.
Referring to fig. 4 and 9, in the present embodiment, the first terminal groove 13 includes a through groove 131 penetrating the base 11 in the front-back direction and a plurality of fixing grooves 132 communicating with the through groove 131, the fixing grooves 132 are symmetrically arranged in pairs, in the present embodiment, the first terminal groove 13 has two pairs of the fixing grooves 132 arranged at intervals in the height direction, and two fixing grooves 132 in each pair are respectively disposed on two sides of the through groove 131 in the transverse direction. In the same first terminal groove 13, the fixing groove 132 located on the upper side has a greater extension length in the front-rear direction than the fixing groove 132 located on the lower side.
As shown in fig. 5 to 9, the power terminal pairs 2 are accommodated in the corresponding first terminal grooves 13, each power terminal pair 2 includes two power terminals 21, each power terminal 21 is provided with a holding portion 201 held in the first terminal groove 13, a plurality of contact portions 202 formed by extending forward from one end of the holding portion 201, and a welding portion 203 extending from the other end of the holding portion 201, the contact portions 202 of the two power terminals 21 in each power terminal pair 2 are arranged in a row in the height direction, and the plurality of contact portions 202 of the two power terminals 21 are alternately and cyclically arranged in the transverse direction. Of course, the contact portions 202 of the two power terminals 21 in each power terminal pair 2 may be arranged in a staggered manner in the height direction, as long as the contact portions 202 of the two power terminals 21 in each power terminal pair 2 are located on the same horizontal plane in the height direction when the mating element is mated.
The power terminal pairs 2 are divided into two rows oppositely arranged along the height direction, that is, an upper row of power terminal pairs and a lower row of power terminal pairs, and the power terminal pairs 2 are arranged in pairs along the height direction to form a group, and the two power terminal pairs 2 in each group of power terminal pairs 2 are oppositely arranged along the height direction and are arranged at intervals. In the front-rear direction, the soldering portion 203 of the upper row of power terminal pairs is located behind the second mounting surface 112, and the soldering portion of the lower row of power terminal pairs is located between the second mounting surface 112 and the third mounting surface 113.
In the present embodiment, each power terminal 21 has three contact portions 202 extending forward from its holding portion 201, the holding portion 201 is a sheet-like structure parallel to the horizontal plane, and the contact portions 202 are curved and have contact regions 2020 protruding toward the partition wall 15.
The contact portions 202 of the power supply terminal pair 2 located in the same row are arranged in two rows offset in the front-rear direction. Meanwhile, the contact regions 2020 of the contact portions 202 of the power terminal pair 2 located in the same row are located at or substantially at the same level. Further, two adjacent contact portions 202 in the same row are offset in the front-rear direction. So, when the butt joint component inserts, stagger along the fore-and-aft direction and be the contact site 202 of two rows settings and can successively contact with the butt joint component respectively to realize the contact of multi-level and many contact points, make the contact more abundant, strengthen its electric connection's stability and current transmission's stability, make simultaneously and the plug power between the butt joint component distribute evenly, reduce the calorific capacity of contact surface.
The two power terminals 21 in each power terminal pair 2 are an outer terminal 211 and an inner terminal 212, respectively, wherein the holding portion 201 and the contact portion 202 of the inner terminal 212 are closer to the partition wall 15 of the insulator body 1 than the outer terminal 211. The contact portion 202 of the outer terminal 211 is disposed forward of the contact portion 202 of the inner terminal 212 in the front-rear direction. The contact portion 202 of the outer terminal 211 contacts with the butt-joint element first, and the contact portion 202 of the inner terminal 212 contacts with the butt-joint element later, so as to reduce the plugging force, make the plugging hand feel better, and avoid the deformation and failure of the elastic contact arm after long-term plugging, thereby ensuring long-term electrical connection.
The holding parts 201 of the two power terminals 21 in each power terminal pair 2 are arranged at intervals along the height direction, and are mounted and fixed in the same first terminal groove 13 from the rear side of the base 11 to the front side. Each of the holding portions 201 is provided with an interference portion 2011 protruding outward at both sides in the lateral direction, and the interference portion 2011 is in interference fit with the corresponding fixing groove 132 of the first terminal groove 13.
As shown in fig. 7, in the direction from top to bottom, the lengths of the holding parts 201 of the four power terminals 21 in each group of power terminal pairs 2 in the front-back direction decrease sequentially, that is, the length of the holding part 201 of the outer terminal 211 in the front-back direction is greater than the length of the holding part 201 of the inner terminal 212 in the two power terminals 21 in the upper row of power terminal pairs 2; in the two pieces of the power terminals 21 in the lower power terminal pair 2, the length of the holding portion 201 of the inner terminal 212 in the front-rear direction is larger than the length of the holding portion 201 of the outer terminal 211. Meanwhile, the length of the holding portion 201 of the inner terminal 212 in the upper power terminal pair 2 in the front-rear direction is larger than the length of the holding portion 201 of the inner terminal 212 in the lower power terminal pair 2.
The soldering portion 203 includes a plate portion 2031 bent and extended downward from the rear end of the holding portion 201 and a plurality of solder tails 2032 extended downward from the bottom end of the plate portion 2031, in this embodiment, the plate portion 2031 is disposed parallel to the vertical plane, and the solder tails 2032 are extended in the vertical direction for inserting an external circuit board (not shown).
Each power terminal 21 has a plurality of elastic contact arms 204 formed by extending forward from the front end of its holding portion 201, the contact portion 202 is located at the front side of the corresponding contact arm 204 to contact with the mating component, and the contact arm 204 passes forward through the first terminal slot 13 and is received in the mating portion 12.
An included angle between the contact arm 204 of the outer terminal 211 and a horizontal plane is greater than an included angle between the contact arm 204 of the inner terminal 212 and the horizontal plane. In this embodiment, the inner terminal 212 further has a connecting arm 205 connecting its contact arm 204 with the holding portion 201, and the extending direction of the connecting arm 205 and the bending direction of the contact arm 204 are opposite to each other so that the opening of the included angle therebetween faces inward (i.e. faces the partition wall 15).
Specifically, for the power terminal pair 2 in the upper row, the connection arm 205 is bent forward and upward from the front end of the holding portion 201, and the contact arm 204 is bent forward and downward from the front end of the connection arm 205, so that an included angle between the contact arm 204 and the connection arm 205 is opened downward. Further, the two holding portions 201 of the upper row of power terminals 2 and the portion (including the plurality of contact arms 204, the connecting arms 205 and the contact portions 202) located at the front side of the holding portions 201 are arranged in mirror symmetry with the two holding portions 201 of the lower row of power terminals 2 and the portion located at the front side of the holding portions 201.
Referring to fig. 1 to fig. 3 in combination with fig. 9, in the present embodiment, the electrical connector 100 further has a plurality of signal terminals 3 located at one side of the power terminal pair 2 along the transverse direction, and the insulating body 1 further has a plurality of second terminal slots 16 located at one side of the first terminal slots 13.
Each signal terminal 3 includes a fixing portion 31, a mating portion 32 extending from one end of the fixing portion 31, and a pin 33 extending from the other end of the fixing portion 31. The fixing portion 31 is inserted into the second terminal slot 16 from the rear side of the base portion 11 and fixed therein, and the insertion portion 32 located at the front side of the fixing portion 31 protrudes into the mating portion 12 to electrically connect with a mating device. In this embodiment, both sides of fixed part 31 are equipped with barb 311 respectively, barb 311 with basal portion 11 interference fit is in order to realize signal terminal 3 is fixed in insulator 1, prevents that signal terminal 3 from rocking when docking with the interfacing apparatus, improves butt joint stability.
In the electrical connector 100 of the present invention, the contact portions 202 of two power terminals in the pair of power terminals are arranged in a row along the height direction to form the same row of contact portions, and the plurality of contact portions 202 of the two power terminals are alternately and circularly arranged along the transverse direction, so that the current channel can be effectively increased, the heating condition of the power terminal pair 2 can be reduced, and the transmission reliability of the electrical connector 100 can be improved.
Referring to fig. 10 to fig. 13, which are illustrations of a second preferred embodiment of the electrical connector of the present invention, the electrical connector 100 'includes an insulating body 1' and a plurality of power terminal pairs 2 'fixed to the insulating body 1', wherein the basic structure and the assembly relationship of the insulating body 1 'and the power terminal pairs 2' are the same as those of the electrical connector 100 in the first preferred embodiment, and are not repeated herein, and only the differences thereof are described below:
the top wall 17 'of the insulating body 1' is provided with a plurality of first heat dissipation grooves 171 ', the first heat dissipation grooves 171' penetrate through the top wall 17 'along the height direction, and the first heat dissipation grooves are communicated with the corresponding first terminal grooves 13' on the inner side of the first heat dissipation grooves. Further, in this embodiment, the top wall 17 ' is provided with two rows of the first heat dissipation grooves 171 ' aligned in the front-back direction, each row of the first heat dissipation grooves 171 ' is arranged side by side in the transverse direction, and in the front-back direction, the length of the first heat dissipation groove 171 ' in the front row in the front-back direction is greater than the length of the first heat dissipation groove 171 ' in the back row in the front-back direction.
At least the power terminal 21 'on the upper side of each power terminal pair 2' has at least one second heat dissipation groove 206 ', and the second heat dissipation groove 206' is opened on the corresponding holding portion 201 'and penetrates the holding portion 201' along the height direction. In this embodiment, the second heat dissipation groove 206 ' is disposed on the holding portion 201 ' of the two power terminals 21 ' of each upper power terminal pair 2 ', and only the power terminal on the upper side (i.e. the inner terminal 212 ' of the lower power terminal pair 2 ') of the two power terminals 21 ' of each lower power terminal pair 2 ' is disposed with the second heat dissipation groove 206 '.
Since the holding portions 201 ' are fixed in the corresponding first terminal grooves 13 ', the heat generated by the power terminals 21 ' after being energized can be dissipated through the second heat dissipation grooves 206 ', the first terminal grooves 13 ' and the first heat dissipation grooves 171 ', thereby preventing the heat from accumulating inside the insulating housing 1 '.
Meanwhile, at least one third heat dissipation groove 207 'is formed in the plate portion 2031' of each power terminal 21 'in the upper power terminal pair 2', and the length of the third heat dissipation groove 207 'on the outer terminal 211' is greater than the length of the third heat dissipation groove 207 'on the inner terminal 212' in the height direction. In addition, the projections of the third heat dissipation grooves 207 ' on the two power terminals 21 ' in each power terminal pair 2 ' in the upper row on the vertical plane at least partially overlap, and the projections of the third heat dissipation grooves 207 ' on the vertical plane fall inside the projections of the lower row of the first terminal grooves 13 ' on the vertical plane, that is, the third heat dissipation grooves 207 ' are arranged in alignment with the lower row of the first terminal grooves 13 ' in the front-rear direction. In the present embodiment, the projection of the third heat dissipation groove 207 'on the inner terminal 212' on the vertical plane falls inside the projection of the third heat dissipation groove 207 'on the outer terminal 211' on the vertical plane. Therefore, the heat dissipation channel on the outer side is large, and heat on the power supply terminal can be dissipated quickly.
Referring to fig. 14 to 17, which are third preferred embodiments of the electrical connector of the present invention, the electrical connector 100 "includes an insulating body 1", a plurality of power terminal pairs 2 "and signal terminals 3" fixed to the insulating body 1 ", wherein the basic structure and the assembly relationship of the insulating body 1" and the power terminal pairs 2 "are the same as the electrical connector 100 in the first preferred embodiment, and are not repeated herein, and the following description is only made for the differences:
the first heat dissipation grooves 171 "of the insulating body 1" are open to the front of the top wall 17 "and have an elongated shape extending in the front-rear direction, and the first heat dissipation grooves 171" are located above the corresponding contact portions 202 "to expose the contact portions 202" to the outside. The top wall 17 "is further provided with a plurality of notches 172" located at the rear portion of the top wall, the notches 172 "are communicated with corresponding first terminal grooves, and the rear portions of the power terminal pairs 2" are exposed in the corresponding notches 172 ".
Each of the outer terminals 211 of the power terminal pair 2 "has a contact portion 202" and a base portion 208 "located in front of the contact arm 204", the contact portion 202 "and the base portion 208" are both formed by extending forward from the contact arm 204 ", and the base portion 208" is located on one side of the contact portion 202 "in the transverse direction; in the present embodiment, the contact portion 202 "of the outer terminal 211" is formed by being torn downward from the side portion of the base portion 208 "and is curved inwardly so that the contact region 2020" thereof is substantially aligned in a row with the contact region 2020 "of the corresponding inner terminal 212", and in the present embodiment, the contact region 2020 "of the outer terminal 211" and the contact region 2020 "of the corresponding inner terminal 212" are arranged offset in the front-rear direction, and further, as shown in fig. 17, the contact region 2020 "of the contact portion 202" of the outer terminal 211 "is arranged rearward of the contact region 2020" of the contact portion 202 "of the inner terminal 212" in the front-rear direction.
Referring to fig. 17, the inner terminal 212 "also has a contact arm 204" and a connection arm 205 "connecting the contact arm 204" and the holding portion 201 ", and an included angle between the contact arm 204" of the outer terminal 211 "and a horizontal plane is larger than an included angle between the contact arm 204" of the inner terminal 212 "and the horizontal plane. In addition, the contact arm 204 "and the connection arm 205" of the inner terminal 212 "both extend obliquely upward while extending forward and backward, but the included angles between the contact arm 204" and the connection arm 205 "of the inner terminal 212" and the horizontal plane are different, and the included angle between the connection arm 205 "and the horizontal plane is larger than the included angle between the contact arm 204" and the horizontal plane.
When not mated with a mating member, the contact region 2020 "of the outer terminal 211" is located inside the contact region 2020 "of the corresponding inner terminal 212"; the contact areas 2020 "of the contact portions 202" of the power terminal pairs 2 "located in the same row are located on the same horizontal plane when mated with the mating member.
Meanwhile, the inner terminal 212 "and the outer terminal 211" of the power terminal pair 2 "are arranged in a height direction and have fixing structures to be combined with each other so that they are stacked and fixed, in this embodiment, the fixing structures are a protrusion 2112" and a positioning groove 2121 "that are fitted to each other, further, the outer terminal 211" has at least one protrusion 2112 "that protrudes toward the inner terminal 212", the inner terminal 212 "has a positioning groove 2121" into which the protrusion 2112 "is inserted and fixed, and in other embodiments, the fixing structures on the outer terminal 211" and the inner terminal 212 "may be interchanged.
The electrical connector 100 "further includes a positioning seat 4" for simultaneously fixing the signal terminal 3 "and the power terminal pair 2" in the insulating body 1 ", wherein the positioning seat 4" is elongated and has a plurality of through holes 41 through which the solder tails 2032 "and the pins 33" pass.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. An electric connector, it includes insulator and is fixed in a plurality of power supply terminal pairs of insulator, insulator has the installation department that is used for installing on the circuit board, certainly the butt-joint portion that the installation department extends forward and a plurality of terminal groove that extend along the fore-and-aft direction, power supply terminal pair is fixed in the corresponding terminal inslot of insulator just falls into two rows at least along the direction of height range, every in every row power supply terminal pair includes two power supply terminals, every power supply terminal includes the holding portion of holding in corresponding terminal inslot, certainly a plurality of contact sites that the front end of holding portion extended forward formation and certainly the rear end of holding portion extends the welding part that forms, its characterized in that: the contact parts of the two power supply terminals in each power supply terminal pair are alternately and circularly arranged along the transverse direction.
2. The electrical connector of claim 1, wherein: the power supply terminal pairs are arranged in pairs along the height direction to form a group, and the two power supply terminal pairs in each group of power supply terminal pairs are opposite and arranged at intervals along the height direction.
3. The electrical connector of claim 2, wherein: the contact portions of the power terminal pairs located in the same row are arranged in two rows staggered in the front-rear direction.
4. The electrical connector of claim 3, wherein: the contact areas of the contact portions of the power terminal pairs located in the same row are located on the same horizontal plane when being butted against the butting member.
5. The electrical connector of claim 3 or 4, wherein: two adjacent contact parts in the same row are arranged in a staggered manner along the front-back direction.
6. The electrical connector of claim 2, wherein: the two power supply terminals in each power supply terminal pair are respectively an outer terminal and an inner terminal, the fixing parts of the two power supply terminals in each power supply terminal pair are arranged along the height direction and are installed and fixed in the same first terminal groove from the rear side of the installation part to the front side.
7. The electrical connector of claim 6, wherein: and the included angle between the contact arm of the outer terminal and the horizontal plane is larger than the included angle between the contact arm of the inner terminal and the horizontal plane.
8. The electrical connector of claim 6, wherein: in the direction from top to bottom, the lengths of the holding parts of the four power terminals in each group of power terminal pair along the front-back direction are reduced in sequence.
9. The electrical connector of claim 6, wherein: the top wall of the insulating body is provided with a plurality of first heat dissipation grooves penetrating through the insulating body along the height direction, and the first heat dissipation grooves are communicated with first terminal grooves corresponding to the inner sides of the first heat dissipation grooves.
10. The electrical connector of claim 9, wherein: each first heat dissipation groove is a long strip extending along the front-back direction and is positioned above the corresponding contact part so as to expose the contact part outwards.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018111193754 | 2018-09-25 | ||
| CN201811119375.4A CN109038003A (en) | 2018-09-25 | 2018-09-25 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517066U true CN210517066U (en) | 2020-05-12 |
Family
ID=64618370
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811119375.4A Pending CN109038003A (en) | 2018-09-25 | 2018-09-25 | Electric connector |
| CN202011306177.6A Pending CN112201980A (en) | 2018-09-25 | 2019-08-05 | electrical connector |
| CN201910716350.0A Pending CN110391528A (en) | 2018-09-25 | 2019-08-05 | Electric connector |
| CN201921256953.9U Active CN210517066U (en) | 2018-09-25 | 2019-08-05 | Electrical connector |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811119375.4A Pending CN109038003A (en) | 2018-09-25 | 2018-09-25 | Electric connector |
| CN202011306177.6A Pending CN112201980A (en) | 2018-09-25 | 2019-08-05 | electrical connector |
| CN201910716350.0A Pending CN110391528A (en) | 2018-09-25 | 2019-08-05 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN109038003A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391528A (en) * | 2018-09-25 | 2019-10-29 | 凡甲电子(苏州)有限公司 | Electric connector |
| CN111541083A (en) * | 2020-05-20 | 2020-08-14 | 中航光电科技股份有限公司 | Sheet type contact element jack structure |
| CN111564720A (en) * | 2020-05-20 | 2020-08-21 | 中航光电科技股份有限公司 | Double-reed type jack structure and connector |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193126A (en) | 2018-11-14 | 2020-05-22 | 泰科电子(上海)有限公司 | Conductive Terminals and Electrical Connectors |
| CN111193124B (en) | 2018-11-15 | 2021-07-27 | 泰科电子(上海)有限公司 | electrical connector |
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| CN114284773B (en) | 2020-09-18 | 2024-04-23 | 泰科电子(上海)有限公司 | Connector with a plurality of connectors |
| CN112821105A (en) * | 2021-02-05 | 2021-05-18 | 富加宜连接器（东莞）有限公司 | Connector with high-low elasticity and high dislocation |
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|---|---|---|---|---|
| TWM314956U (en) * | 2006-11-10 | 2007-07-01 | Amphenol East Asia Ltd | Electrical connector |
| CN106887750A (en) * | 2015-12-16 | 2017-06-23 | 凡甲电子(苏州)有限公司 | Electric connector |
| TWM534451U (en) * | 2015-12-31 | 2016-12-21 | Alltop Technology Co Ltd | Power connector |
| TWM523980U (en) * | 2015-12-31 | 2016-06-11 | 凡甲科技股份有限公司 | Power connector |
| TWM523986U (en) * | 2016-01-08 | 2016-06-11 | 凡甲科技股份有限公司 | Power connector |
| CN108232697B (en) * | 2016-12-21 | 2021-01-26 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
| CN107181089A (en) * | 2017-05-12 | 2017-09-19 | 凡甲电子(苏州)有限公司 | Power connector |
| CN109038003A (en) * | 2018-09-25 | 2018-12-18 | 凡甲电子(苏州)有限公司 | Electric connector |
-
2018
- 2018-09-25 CN CN201811119375.4A patent/CN109038003A/en active Pending
-
2019
- 2019-08-05 CN CN202011306177.6A patent/CN112201980A/en active Pending
- 2019-08-05 CN CN201910716350.0A patent/CN110391528A/en active Pending
- 2019-08-05 CN CN201921256953.9U patent/CN210517066U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391528A (en) * | 2018-09-25 | 2019-10-29 | 凡甲电子(苏州)有限公司 | Electric connector |
| CN112201980A (en) * | 2018-09-25 | 2021-01-08 | 凡甲电子(苏州)有限公司 | electrical connector |
| CN111541083A (en) * | 2020-05-20 | 2020-08-14 | 中航光电科技股份有限公司 | Sheet type contact element jack structure |
| CN111564720A (en) * | 2020-05-20 | 2020-08-21 | 中航光电科技股份有限公司 | Double-reed type jack structure and connector |
| CN111541083B (en) * | 2020-05-20 | 2021-10-26 | 中航光电科技股份有限公司 | Sheet type contact element jack structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109038003A (en) | 2018-12-18 |
| CN110391528A (en) | 2019-10-29 |
| CN112201980A (en) | 2021-01-08 |
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