CN111525310A - Electric connector and manufacturing method thereof - Google Patents

Electric connector and manufacturing method thereof Download PDF

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Publication number
CN111525310A
CN111525310A CN202010316624.XA CN202010316624A CN111525310A CN 111525310 A CN111525310 A CN 111525310A CN 202010316624 A CN202010316624 A CN 202010316624A CN 111525310 A CN111525310 A CN 111525310A
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CN
China
Prior art keywords
insulator
terminals
electrical connector
insulators
butt joint
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Granted
Application number
CN202010316624.XA
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Chinese (zh)
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CN111525310B (en
Inventor
金左锋
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Lotes Guangzhou Co Ltd
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Lotes Guangzhou Co Ltd
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Priority to CN202010316624.XA priority Critical patent/CN111525310B/en
Publication of CN111525310A publication Critical patent/CN111525310A/en
Application granted granted Critical
Publication of CN111525310B publication Critical patent/CN111525310B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/82—Coupling devices connected with low or zero insertion force
    • H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
    • 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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • 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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2457—Contacts for co-operating by abutting resilient; resiliently-mounted consisting of at least two resilient arms contacting the same counterpart
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

The invention discloses an electric connector, which is used for electrically connecting a butting element to a circuit board and comprises a plurality of terminals, wherein each terminal is provided with a positioning part which extends along the vertical direction, an upper butting part which is used for upwards butting against the butting element and a lower butting part which is used for downwards butting against the circuit board, and the upper butting part and the lower butting part both extend forwards and are positioned in front of the positioning part; the insulators are arranged along the front and back direction, the positioning parts are fixed on the insulators, and in two insulators adjacent to each other in the front and back direction, the front insulator is assembled on the rear insulator backwards, so that the horizontal distance between the front and rear terminals is not required to be larger than the horizontal distance from the upper butt joint part of the rear terminal to the positioning parts, the distance between the front and rear terminals is shortened, and the terminal density is improved.

Description

Electric connector and manufacturing method thereof
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector and a method for manufacturing the same, and more particularly, to an electrical connector with terminals densely arranged and a method for manufacturing the same.
[ background of the invention ]
An electrical connector for electrically connecting a mating component to a circuit board includes an insulator and a plurality of rows of terminals, each of the terminals having a main body portion fixed to the insulator and a resilient arm extending from the main body portion and bent forward for upwardly abutting against the mating component. Since the terminal itself has the elastic arm extending forward, the rear terminal is already assembled on the insulator, and when the front terminal is assembled on the insulator downward, the distance between the front terminal and the rear terminal needs to be greater than the horizontal distance extending forward of the elastic arm of the rear terminal, and the front terminal can be assembled on the insulator.
Therefore, there is a need for a new electrical connector and method of making the same to overcome the above problems.
[ summary of the invention ]
The invention aims to provide an electric connector for improving the densification of terminal arrangement and a manufacturing method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: an electrical connector for electrically connecting a mating component to a circuit board, comprising: a plurality of terminals, each of the terminals having a positioning portion extending in a vertical direction, an upper mating portion for upwardly mating with the mating element and a lower mating portion for downwardly mating with the circuit board, the upper and lower mating portions extending forward and located in front of the positioning portion; the positioning part is fixed to the insulators, and the preceding insulator is assembled to the succeeding insulator rearward in two insulators adjacent to each other in the front-rear direction.
Further, each of the insulators has a main body, a plurality of first protrusions protrude rearward from a rear surface of the main body, a second protrusion protrudes rearward from each of the first protrusions, a groove is recessed rearward from a front surface of the main body, when two insulators adjacent to each other in front and rear are assembled, the second protrusion of the preceding insulator is received in the groove of the succeeding insulator, and the first protrusion of the preceding insulator abuts against a front surface of the main body of the succeeding insulator, so that a space is formed between the rear surface of the preceding insulator and the front surface of the preceding insulator, and the space is vertically communicated with the outside.
Furthermore, the left and right stopping parts are correspondingly connected with the grooves, and when two insulators adjacent to each other in the front and back are assembled, the stopping part of the insulator at the back stops the second bump of the insulator at the front to move left and right.
Further, each the insulator has a main part, location portion with main part injection moulding, the main part still is equipped with a plurality of grooves of stepping down, the groove of stepping down forward and upwards runs through the main part does not yet run through the main part, location portion has one and goes up connecting portion, go up the front surface of connecting portion expose in the groove of stepping down, the groove of stepping down width on the left and right sides is greater than go up connecting portion, works as the butt joint component butt when going up butt joint portion, go up connecting portion and incline forward and get into in the groove of stepping down.
Further, both left and right side surfaces and a rear surface of the upper connecting portion are covered with the insulator.
Further, the width of the upper connecting portion in the left-right direction becomes larger from the rear to the front.
Furthermore, the left side surface and the right side surface of the upper connecting part are exposed out of the abdicating groove, a convex part is convexly extended forwards from the rear side of the abdicating groove, and the convex part is forwards abutted against the rear surface of the upper connecting part.
Further, the insulators are assembled together in front-rear alignment, the terminals are arranged in front-rear direction alignment, and the upper mating portion and the lower mating portion of the succeeding terminal overlap the preceding terminal in the up-down direction.
Furthermore, the insulation frame is arranged around the periphery of the insulator, a plurality of concave parts which are arranged at intervals from front to back are respectively arranged on the left inner wall and the right inner wall of the insulation frame, the concave parts of the left inner wall of the insulation frame and the concave parts of the right inner wall of the insulation frame are arranged in a staggered mode, the concave parts accommodate the corresponding insulators, the insulators are assembled in a staggered mode from front to back, the terminals are arranged in a staggered mode in the front-back direction, and the upper butt joint parts and the lower butt joint parts of the terminals behind exceed the positioning parts of the terminals in the front forward mode.
The invention also provides the following technical scheme: a method of manufacturing an electrical connector, comprising: the method comprises the following steps: step 1: providing a plurality of terminals, and forming a plurality of terminal modules by injection molding of the terminals, wherein each terminal is provided with a positioning part extending along the vertical direction, an upper butt joint part is used for upwards abutting against a butt joint element, a lower butt joint part is used for downwards abutting against a circuit board, and the upper butt joint part and the lower butt joint part both extend forwards and are positioned in front of the positioning part; step 2: assembling one of said terminal modules rearwardly to the other of said terminal modules; and step 3: and providing an insulating frame, and arranging the insulating frame on the periphery of the terminal module.
Compared with the prior art, the electric connector and the manufacturing method thereof have the following beneficial effects: each insulator fixes the terminal, and the front insulator is assembled to the rear insulator backwards, so that the horizontal distance between the front and rear terminals does not need to be larger than the horizontal distance between the upper butt joint part of the rear terminal and the positioning part, the distance between the front and rear terminals is shortened, and the terminal arrangement is more dense.
[ description of the drawings ]
FIG. 1 is an exploded view of a first embodiment of the electrical connector of the present invention;
FIG. 2 is an assembled view of a first embodiment of the electrical connector of the present invention;
FIG. 3 is a partial cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a partial cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken along the line C-C of FIG. 2;
fig. 6 is a cross-sectional view of the first embodiment of the electrical connector of the present invention with the terminals abutting against the mating member and the circuit board respectively;
fig. 7 is a perspective view of a terminal module of the first embodiment of the electrical connector of the present invention;
fig. 8 is an exploded view of a second embodiment of the electrical connector of the present invention;
fig. 9 is a top view of a portion of the terminal module assembly process of the second embodiment of the electrical connector of the present invention;
fig. 10 is a perspective view of a terminal module of a second embodiment of the electrical connector of the present invention;
fig. 11 is a sectional view taken along the direction D-D of fig. 10.
Detailed description of the embodiments reference is made to the accompanying drawings in which:
electrical connector 100 Insulator 1 Main body 11 Upper abdicating groove 121
Projection 1211 Lower abdicating groove 122 First bump 13 Second bump 14
Groove 15 Stopper 151 Terminal 2 Positioning part 21
Upper connecting part 211 Lower connecting part 212 Upper extension 22 Upper butt joint part 23
Lower extension 24 Lower butt joint part 25 Insulating frame 3 Recess 31
Space 4 Terminal module 5 Docking element 200 Circuit board 300
[ detailed description ] embodiments
For better understanding of the objects, structure, features and functions of the present invention, an electrical connector and a method for manufacturing the same will be described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 6, in order to facilitate understanding of the drawings, a forward direction in a front-back direction is defined as a positive X-axis direction, a leftward direction in a left-right direction is defined as a positive Y-axis direction, and an upward direction in an up-down direction is defined as a positive Z-axis direction, in a first embodiment of the electrical connector 100 of the present invention. The electrical connector 100 of the present invention comprises a plurality of terminal modules 5, each of the terminal modules 5 comprises a plurality of terminals 2 and an insulator 1 injection-molded (insert-mold) with the terminals 2, each of the terminals 2 has an upper abutting portion 23 for abutting the abutting element 200 upward and a lower abutting portion 25 for abutting the circuit board 300 downward.
As shown in fig. 1 and 6, each of the terminals 2 has a positioning portion 21 fixed to the insulator 1, the positioning portion 21 extends in a vertical plate shape, the positioning portion 21 has an upper connecting portion 211, an upper extending portion 22 is formed by bending and extending the upper connecting portion 211 vertically upwards and then forwards, the upper extending portion 22 is located above the upper surface of the insulator 1, the upper abutting portion 23 is formed by bending and extending the upper extending portion 22 upwards and forwards, the positioning portion 21 further has a lower connecting portion 212, a lower extending portion 24 is formed by bending and extending the lower connecting portion 212 vertically downwards and then forwards (of course, in other embodiments, the shapes of the upper extending portion 22 and the lower extending portion 24 are not limited thereto, and the upper extending portion 22 and the lower extending portion 24 may also be formed by bending and extending the positioning portion 21 backwards and then forwards), the lower extension 24 is located below the lower surface of the insulator 1, the lower abutment portion 25 is formed by bending downward and extending forward from the lower extension 24, and the upper abutment portion 23 and the lower abutment portion 25 are located in front of the positioning portion 21.
As shown in fig. 1 and 2, the insulator 1 has a main body 11, the main body 11 fixes a row of terminals 2 arranged in a left-right direction, the positioning portion 21 is injection-molded (insert-mold) with the main body 11, in this embodiment, both left and right side surfaces and a rear surface of the upper connecting portion 211 are covered by the insulator 1, which contributes to improving the positioning effect of the insulator 1 on the terminals 2, and a width of the upper connecting portion 211 in the left-right direction is gradually widened from the rear to the front (refer to fig. 3, that is, a width L1 of a front surface of the upper connecting portion 211 is larger than a width L2 of a rear surface of the upper connecting portion 211). The main body part 11 is equipped with a plurality of last groove 121 and a plurality of groove 122 of stepping down, go up the groove 121 of stepping down with groove 122 of stepping down longitudinal symmetry sets up, go up groove 121 of stepping down and run through forward the front surface of main body part 11 just upwards runs through the upper surface of main body part 11, nevertheless go up groove 121 of stepping down and not run through down main body part 11, go up groove 121 of stepping down width L3 on the left and right sides is greater than go up the width L1 (refer to fig. 3) of connecting portion 211 front surface, it is located to go up connecting portion 211 the rear of groove 121 of stepping down, just the front surface of going up connecting portion 211 reveals in go up groove 121, when butt joint component 200 butt goes up when butt joint portion 23, go up connecting portion 211 and enter go up the groove 121 of stepping down and incline forward. In this embodiment, the lower recess 122 downwardly penetrates the lower surface of the main body 11 and forwardly penetrates the front surface of the main body 11, but does not upwardly penetrate the main body 11, the lower connecting portion 212 is located behind the lower recess 122, the front surface of the lower connecting portion 212 is exposed at the lower recess 122, and when the lower abutting portion 25 downwardly abuts against the circuit board 300, the lower connecting portion 212 is forwardly inclined into the lower recess 122.
As shown in fig. 1 to 6, a plurality of first protrusions 13 protrude backward from the rear surface of the main body 11, a second protrusion 14 protrudes backward from each first protrusion 13, the length of the first protrusions 13 in the up-down direction is greater than the length of the second protrusions 14 in the up-down direction, a groove 15 is recessed backward from the front surface of the main body 11, when two insulators 1 adjacent to each other in the front and rear are assembled, the second protrusion 14 of the preceding insulator 1 is received in the groove 15 of the following insulator 1 to restrict the up-down movement of the two insulators 1 adjacent to each other in the front and rear, and the first protrusion 13 of the preceding insulator 1 abuts against the front surface of the main body 11 of the following insulator 1, so that a space 4 (refer to fig. 3) is formed between the rear surface of the preceding insulator 1 and the front surface of the following insulator 1, the space 4 is communicated with the outside up and down, so that the contact area of the front insulator 1 and the rear insulator 1 is reduced; the groove 15 is provided with two left and right stoppers 151 connected to the groove 15, when two front and rear adjacent insulators 1 are assembled, the stopper 151 of the rear insulator 1 stops the second protrusion 14 of the front insulator 1 from moving left and right, and the left and right relative movement of the two assembled front and rear adjacent insulators 1 is limited by limiting the left and right movement of the second protrusion 14.
As shown in fig. 4 and 5, the electrical connector 100 further includes an insulating frame 3 surrounding the insulator 1, the insulator 1 is assembled in front and rear alignment, the terminals 2 are aligned in the front and rear direction, and the upper mating portion 23 and the lower mating portion 25 of the rear terminal 2 are overlapped with the front terminal 2 in the up and down direction.
The method of manufacturing the electrical connector 100 includes the steps of: firstly, providing a plurality of terminals 2, installing the terminals 2 in a mould, and injection-molding to form a plurality of terminal modules 5, wherein each terminal module 5 comprises a row of the terminals 2 and an insulator 1; secondly, the former terminal module 5 is assembled to the latter terminal module 5 backward, and a plurality of terminal modules 5 are assembled together according to the method; finally, the electrical connector 100 is assembled by providing one insulating frame 3 and mounting the insulating frame 3 on the periphery of a plurality of terminal modules 5.
As shown in fig. 7, 9, 10 and 11, a second embodiment of the electrical connector 100 of the present invention is different from the first embodiment in that the upper connecting portion 211 is located in the upper receding groove 121, and a protrusion 1211 protrudes forward from a rear side of the upper receding groove 121, the protrusion 1211 abuts forward against a rear surface of the upper connecting portion 211, and left and right surfaces of the upper connecting portion 211 are exposed in the upper receding groove 121, which is helpful for improving elasticity of the upper connecting portion 211. The left inner wall and the right inner wall of the insulating frame 3 are respectively provided with a plurality of concave parts 31 which are arranged at intervals in the front-back direction, the concave parts 31 of the left inner wall of the insulating frame 3 and the concave parts 31 of the right inner wall of the insulating frame 3 are arranged in a staggered mode, the concave parts 31 accommodate the corresponding insulators 1, so that the insulators 1 are assembled in a staggered mode in the front-back direction, the terminals 2 are also arranged in a staggered mode in the front-back direction, and the upper butt joint parts 23 and the lower butt joint parts 25 of the terminals 2 at the back are in a forward exceeding mode in the positioning parts 21 of the terminals 2 at the front. Other structures are the same as those of the first embodiment, and the manufacturing method of the second embodiment is the same as that of the first embodiment, and thus the description thereof is omitted.
In summary, the electrical connector and the manufacturing method thereof of the present invention have the following advantages:
1. each terminal 2 has the upper butting portion 23 and the lower butting portion 25 extending forward, and since the preceding insulator 1 is assembled to the succeeding insulator 1 rearward, the horizontal distance between the preceding and succeeding terminals 2 does not need to be greater than the horizontal distance from the upper butting portion 23 to the positioning portion 21 of the succeeding terminal 2, thereby shortening the distance between the preceding and succeeding terminals 2 and improving the arrangement density of the terminals 2.
2. The main body 11 is provided with a plurality of the first projections 13 and the second projections 14, when two insulators 1 adjacent to each other in a front-rear direction are assembled together, the second projections 14 of the preceding insulator 1 are received in the grooves 15 of the succeeding insulator 1 to restrict vertical movement of the two insulators 1 adjacent to each other in the front-rear direction, and the first projections 13 of the preceding insulator 1 abut against the front surface of the main body 11 of the succeeding insulator 1, so that the space 4 is formed between the rear surface of the preceding insulator 1 and the front surface of the preceding insulator 1, and foreign objects such as dust or burrs are likely to be attached to the front and rear surfaces, and by reducing the contact area between the two, the risk of the insulator 1 being enlarged by the foreign objects is reduced, thereby improving the yield of the electrical connector 100; the groove 15 is provided with two stopping parts 151, which stop the second bump 14 from moving left and right in the groove 15, so as to limit the left and right relative movement of the two front and rear adjacent insulators 1.
3. The main body 11 is provided with the upper recess 121, and when the upper mating portion 23 abuts against the mating member 200, the upper connecting portion 211 is inclined forward and enters the upper recess 121, which is equivalent to extending the elastic arm of the terminal 2, thereby improving the elasticity of the terminal 2.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and the drawings are included in the scope of the present invention.

Claims (10)

1. An electrical connector for electrically connecting a mating component to a circuit board, comprising:
a plurality of terminals, each of the terminals having a positioning portion extending in a vertical direction, an upper mating portion for upwardly mating with the mating element and a lower mating portion for downwardly mating with the circuit board, the upper and lower mating portions extending forward and located in front of the positioning portion;
the positioning part is fixed to the insulators, and the preceding insulator is assembled to the succeeding insulator rearward in two insulators adjacent to each other in the front-rear direction.
2. The electrical connector of claim 1, wherein: each insulator is provided with a main body part, a plurality of first lugs protrude backwards from the rear surface of the main body part, a second lug protrudes backwards from each first lug, the front surface of the main body part is recessed backwards to form a groove, when two insulators adjacent to each other in the front and the rear are assembled, the second lug of the front insulator is accommodated in the groove of the rear insulator, the first lug of the front insulator abuts against the front surface of the main body part of the rear insulator, a space is formed between the rear surface of the front insulator and the front surface of the rear insulator, and the space is communicated with the outside vertically.
3. The electrical connector of claim 2, wherein: the left and right stopping parts are correspondingly connected with the grooves, and when the front and rear adjacent insulators are assembled, the stopping part of the rear insulator stops the second bump of the front insulator from moving left and right.
4. The electrical connector of claim 1, wherein: each the insulator has a main part, location portion with main part injection moulding, the main part is equipped with a plurality of grooves of stepping down, the groove of stepping down forward and upwards run through the main part does not yet run through the main part, location portion has one and goes up connecting portion, go up the front surface of connecting portion expose in the groove of stepping down, the groove of stepping down width on the left and right sides direction is greater than go up connecting portion, works as the butt joint component butt during last butt joint portion, go up connecting portion and incline forward and get into in the groove of stepping down.
5. The electrical connector of claim 4, wherein: both right and left side surfaces and a rear surface of the upper connecting portion are covered with the insulator.
6. The electrical connector of claim 4, wherein: the width of the upper connecting part in the left-right direction is increased from back to front.
7. The electrical connector of claim 4, wherein: the left side surface and the right side surface of the upper connecting part are exposed in the abdicating groove, a convex part is convexly extended forwards from the rear side of the abdicating groove, and the convex part is forwards abutted against the rear surface of the upper connecting part.
8. The electrical connector of claim 1, wherein: the insulators are assembled together in front-rear alignment, the terminals are aligned in the front-rear direction, and the upper mating portion and the lower mating portion of the succeeding terminal overlap the preceding terminal in the up-down direction.
9. The electrical connector of claim 1, wherein: the insulation frame is characterized by further comprising an insulation frame which is arranged on the periphery of the insulator in a surrounding mode, a plurality of concave portions which are arranged at intervals in the front-back mode are arranged on the left inner wall and the right inner wall of the insulation frame respectively, the concave portions on the left inner wall and the right inner wall of the insulation frame are arranged in a staggered mode, the corresponding insulators are contained in the concave portions, the insulators are assembled in a staggered mode in the front-back mode, the terminals are arranged in a staggered mode in the front-back direction, and the upper butt joint portion and the lower butt joint portion of the rear terminals exceed the positioning portions of the front terminals forward.
10. A method of manufacturing an electrical connector, comprising the steps of:
step 1: providing a plurality of terminals, and forming a plurality of terminal modules by injection molding of the terminals, wherein each terminal is provided with a positioning part extending along the vertical direction, an upper butt joint part is used for upwards abutting against a butt joint element, a lower butt joint part is used for downwards abutting against a circuit board, and the upper butt joint part and the lower butt joint part both extend forwards and are positioned in front of the positioning part;
step 2: assembling one of said terminal modules rearwardly to the other of said terminal modules;
and step 3: and providing an insulating frame, and arranging the insulating frame on the periphery of the terminal module.
CN202010316624.XA 2020-04-21 2020-04-21 Electric connector and manufacturing method thereof Active CN111525310B (en)

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CN111525310B CN111525310B (en) 2021-11-16

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