Source: https://patents.google.com/patent/JP4036370B2/en
Timestamp: 2020-05-27 01:19:28
Document Index: 116896414

Matched Legal Cases: ['art 51', 'art 51', 'art 66', 'art 3', 'art 51', 'art 5', 'art 51', 'art 3', 'art)\n5', 'art)\n5', 'art)\n6', 'art 7', 'art 31', 'art 31', 'art 31', 'arts 50', 'art 62', 'art 66', 'art 66']

JP4036370B2 - Electrical connector and manufacturing method thereof - Google Patents
JP4036370B2
JP4036370B2 JP2003156978A JP2003156978A JP4036370B2 JP 4036370 B2 JP4036370 B2 JP 4036370B2 JP 2003156978 A JP2003156978 A JP 2003156978A JP 2003156978 A JP2003156978 A JP 2003156978A JP 4036370 B2 JP4036370 B2 JP 4036370B2
JP2003156978A
JP2004362827A (en
敦夫 多胡
雅之 西方
2003-06-02 Application filed by 日本航空電子工業株式会社 filed Critical 日本航空電子工業株式会社
2003-06-02 Priority to JP2003156978A priority Critical patent/JP4036370B2/en
2004-12-24 Publication of JP2004362827A publication Critical patent/JP2004362827A/en
2008-01-23 Publication of JP4036370B2 publication Critical patent/JP4036370B2/en
The present invention relates to an electrical connector and a manufacturing method thereof, and more particularly, to an electrical connector in which a hot wire type contact is overmolded and a manufacturing method thereof.
Conventionally, as this type of electrical connector, for example, there are those shown in FIG. 9 to FIG. 11, and there is one disclosed in Patent Document 1 as having the same configuration.
FIG. 9 is a perspective view showing a mating connector fitted to a conventional electrical connector. 10 is a perspective view showing a state in which the fitting portion of the connector shown in FIG. 9 is removed. 11A is a cross-sectional view showing a normal fitting state between a conventional electrical connector and a mating connector, and FIG. 11B is a cross-sectional view showing a diagonal fitting state between the conventional electrical connector and the mating connector. .
As shown in FIG. 9 to FIG. 11A, the electrical connector 60 includes an insulator 61 having a flat protrusion 61 a, a contact 66 provided side by side on the lower surface side of the protrusion of the insulator 61, and the insulator 61. A box-shaped metal shell 62 covering the periphery including the protruding portion 61a serving as the fitting portion is provided.
One end of the contact 66 extends downward, bends and extends to the rear, a mounting terminal portion 66 d, a holding portion (not shown) held by the insulator 61, and a forward direction along the lower side of the protrusion 61 a of the insulator 61 from the holding portion. The contact portion 66b extends, and the front end portion 66a is bent at the front end portion toward the inside (upper portion) of the insulator protruding portion.
This connector 60 has a structure in which a parallel contact 66 is overmolded to provide a shell around it.
The mating connector 50 ′ is provided in three stages of prismatic shapes, and includes an insulator 52 having a box-shaped protrusion 52 a and a contact 51 ′ held by the insulator 52. The insulator 52 is integrally formed such that a long rectangular plate 52e having a chamfered corner, a square plate 52f that is slightly smaller than the rectangular plate 52e, and a protruding portion 52a that extends forward in a flat plate shape are connected in the axial direction. ing. An opening 55 is provided at the tip of the projecting portion 52a, and a through hole is provided extending rearward from the opening 55 to form a contact accommodating space. Further, in the grooves 53 on both sides of the upper surface of the protruding portion 52a, when the mating connector 50 'is fitted with the electrical connector 60, the engaging claws 54a for preventing the mating connector 52 from being detached in the fitting direction. The engaging piece 54 having the shape is accommodated so as to support the opposite side of the engaging claw 54a. The engagement piece 54 has a spring property, and is configured to be biased upward when the electrical claw 54a is pushed down by the electrical connector and to engage with a mating connector (not shown).
The mating contact 51 ′ includes a first contact portion 51 b ′ and a second contact portion 51 a ′ that are branched into two and extend to the opening 55, and the first contact toward the second contact portion 51 a ′. The part 51b ′ protrudes to form a contact part.
As shown in FIG. 11A, when the electrical connector 60 and the mating connector 50 ′ are fitted, the contact portions 51a ′ and 51b ′ provided in the opening of the protruding portion of the mating connector 50 ′. The protruding portion 61a of the electrical connector 60 is sandwiched between them, and the first contact portion 66b and the contact portion 51b ′ of the electrical connector 50 ′ are in contact with each other, thereby being electrically connected.
Utility Model Registration No. 2605904 gazette
However, in manufacturing the conventional electrical connector 60, when manufacturing the connector by overmolding the contact 66 with resin, it is necessary to take measures against the shake of the contact 66 due to the flow of resin during molding.
In addition, in the conventional electrical connector, there is a method of providing a carrier on the contact fitting side to prevent vibration. However, since the carrier cut surface is exposed from the fitting portion, it is adjacent when mating with the mating connector. There was a drawback that a short circuit with the contact occurred.
Further, as shown in FIG. 11 (b), in the electrical connector according to the prior art, the contact surface that contacts the mating contact 51 'of the contact portion 66b of the contact 66 is one side. As a result, the external parts bend and the contact part 51b 'of the contact 51' of the mating connector 50 and the contact part 66b of the electrical connector 60 are separated, and non-conduction can occur.
Accordingly, one technical problem of the present invention is to provide a method of manufacturing an electrical connector that can take measures against vibrations at the time of molding.
Another technical problem of the present invention is to provide an electrical connector that can provide reliable contact even when an external force is applied to the mating connector in a hot wire type connector.
According to the present invention, in an electrical connector that includes a contact and an insulator that holds and fixes the contact, and is fitted in a mating direction with a mating connector, the insulator has a substantially flat fitting portion, The contact includes a first contact portion for connecting to a contact portion of a counterpart contact, and a second contact portion formed on the distal end side of the contact continuously from the first contact portion, The first contact portion is disposed so as to be exposed on one surface side of the fitting portion, and the second contact portion is on the other surface side of the fitting portion, The mating connector is provided with a mating contact having a substantially U-shaped contact portion, and the contact portion of the mating contact is the first contact. 1st contact which connects with 2 contact parts When, and a second contact portion connected to said first contact portion, the first contact portion and the contact portion of each of the second contact portion is formed offset in the fitting direction An electrical connector characterized by this can be obtained.
According to the present invention, there is provided an electrical connector characterized in that in the electrical connector, the contact is integrally formed with the insulator by mold-in.
According to the present invention, there is provided an electrical connector characterized in that the electrical connector includes a metal shell that covers the periphery of the insulator including the fitting portion.
According to the present invention, in any one of the electrical connectors, the contact includes a first contact and a second contact each including the first contact portion and the second contact portion. Each of the first contact portions of the first contact is bent rearward so that the tip of the first contact portion is U-shaped, and the first contact portion of the second contact is An electrical connector is obtained in which the tip is bent toward the front so as to form an S shape.
Further, according to the present invention, in the method for manufacturing the electrical connector, a contact member integrally including a carrier for connecting the ends to one end of the contact is formed, and the other end of the contact is formed. A first contact portion for connecting to a mating connector and a second contact portion formed on the tip end side of the contact continuously from the first contact portion, the first contact portion being the The second contact portion is exposed on one surface side of the fitting portion, and at least a part of the second contact portion is on the surface of the fitting portion on the other surface side of the fitting portion. It is formed so as to be exposed, and the first contact parts are fixed apart by a predetermined distance with a fixing mold, and the second contact part is fixed, overmolded, and Forming the contact integrally with the insulator Electrical connector manufacturing method, wherein is obtained.
According to the present invention, in the method for manufacturing an electrical connector, the electrical connector manufacturing method is characterized in that the insulator is covered with a metal shell including the fitting portion.
According to the present invention, in the method for manufacturing any one of the electrical connectors, the contact includes a first contact and a second contact each including the first contact portion and the second contact portion. A first contact portion of the first contact; the first contact portion of the first contact is bent rearward so that the tip of the first contact portion is U-shaped, and the first contact portion of the second contact Is formed so as to be bent forward so that the tip thereof has an S-shape.
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of an electrical connector according to an embodiment of the present invention. 2A is a top view of the electrical connector of FIG. 1, FIG. 2B is a front view, FIG. 2C is a side view, and FIG. 2D is a bottom view of the electrical connector of FIG. 3A is a cross-sectional view taken along line IIIA-IIIA in FIG. 2B, and FIG. 3B is a cross-sectional view taken along line IIIB-IIIB in FIG. In each drawing, a metal shell or the like is indicated by a two-dot chain line so that the internal structure can be understood.
As shown in FIGS. 1 to 3, the electrical connector 10 includes a rectangular insulator 1, a protrusion 3 protruding forward from the front surface 1 b of the insulator, and first and second contacts 5 and 6 supported by the insulator 1. And a shell 2 covering the periphery.
The insulator 1 includes a box-shaped base portion, a plate-like protrusion on the rear side of the upper surface of the base portion, and a protrusion portion 3 protruding in a plate shape from the front surface 1b of the base portion. In addition, the hole of the protrusion part 3 is a hole of a metal mold | die produced when pressing the 1st and 2nd contacts 5 and 6 in overmolding.
The shell 2 covering the insulator 1 is a box shape having a joint 2d at the lower portion formed by bending a single plate, and is mounted so as to protrude left and right by cutting and raising for mounting. , 2b and corner pieces 2c for reinforcing the strength provided on the front left and right lower sides.
The first and second contacts 5, 6 supported by the insulator 1 include a first contact 5 at both ends in the width direction, and a second contact 6 provided on the inner side in the width direction than the first contact 5. The first and second contacts 5 and 6 are arranged in the width direction at equal pitches.
As shown in FIG. 3A, the first contact 5 includes a support portion (not shown) that is held by the insulator 1, a mounting terminal portion 5d that extends obliquely downward and rearward from the support portion, and a support portion. Bending forward in the groove 3b provided in the lower surface of the protruding portion 3 and bent at the front end of the lower contact portion 5b, extending upward, bent backward, And an upper contact portion 5a extending rearward at the same height as the upper surface. Here, for convenience of explanation, the first contact portion is referred to and the upper contact portion 5a is referred to as a second contact portion.
As shown in FIG. 3B, the second contact 6 is provided side by side in the width direction of the first contact, and a support portion (not shown) held by the insulator 1 and obliquely rearward and downward from the support portion. A mounting terminal portion 6d extending rearward, a lower contact portion 6b extending forward in the groove 3b of the protruding portion 3 from the support portion, bent at the front end of the lower contact portion 6b, extending upward, and forward An upper contact portion 6a that is bent and extends forward at the same height as the upper surface of the protruding portion is provided. Here, for convenience of explanation, the lower contact portion 6b is referred to as the first contact portion upper contact portion 6a as the second contact portion.
FIG. 4 is a cross-sectional view showing a fixing mold for forming the protruding portion of the insulator. FIG. 5 is a perspective view showing a fixing mold. As shown in FIGS. 4 and 5, the contact member 20 includes first and second contacts 5 and 6 that are integrally formed with a carrier 7 at one end and stamped from a single metal plate by a press. ing. Furthermore, the front end of the first contact 5 of the contact member is bent in a U-shape from the upper side to the rear end by the bending process by the press simultaneously or subsequently, and the front end of the second contact 6 is bent upward. Furthermore, it is bent in a so-called square S-shape (continuous LL shape) so as to be bent forward and form a step.
The contact member 20 is placed on the lower support base 32, the carrier 7 is supported by the upper support portion 33, and the fixing mold including the first, second, and third partial mold portions 31a, 31b, and 31c. The second contact portions 5a and 6a of the first and second contacts 5 and 6 are sandwiched between the supported first partial molds 31a by the mold 31, and are arranged rearward of this. The first and second contacts 5 and 6 are pressed by the second and third partial molds 31b and 31c across the first contact portions 5b and 6b of two adjacent contacts and back and forth respectively. ing. When overmolded with resin from the state of FIG. 5, the connector shown in FIG. 1 is obtained, and the extraction holes 3 a and 3 a of the second and third partial molds are formed in the protruding portion 3 of the insulator 1, respectively.
In the electrical connector according to the embodiment of the present invention having such a configuration, in the electrical connector overmolded with the hot wire type contact, the tip of the contact contact side is bent and exposed from the back side of the contact surface, It is possible to provide a structure for preventing the first and second contacts 5 and 6 from touching in the pitch direction due to the mold structure.
The first contact portions 5b and 6b of the first and second contacts 5 and 6 on the contact contact side and the second contact portions 5a and 6a of the first and second contacts 5 and 6 on the opposite side are provided. By exposing, an auxiliary contact surface can be provided.
As described above, in the electrical connector according to the embodiment of the present invention, by bending the tip portions of the first and second contacts 5 and 6, the contact run-out countermeasure shape at the time of molding is formed on the opposite side of the fitting surface. Can be applied. Also, in the live line type contact, by matching the exposed surface on the opposite side of the fitting surface, it can be made the same shape on the mold, and the auxiliary side on the opposite side of the contact surface of the fitting portion Contact surfaces can be provided.
Further, even in a live-line type contact (two types of contacts), the contact surface of the same line can be obtained by changing the bent shape of the contact. By making the contact surface on the same line, the contact of the mating connector can be of one type.
FIG. 6 is a perspective view showing a mating connector of the electrical connector according to the embodiment of the present invention. FIG. 7 is a perspective view when the insulator is removed. As shown in FIGS. 6 and 7, the mating connector 50 includes an insulator 52 that is provided in three steps of a prismatic shape and includes a box-shaped protrusion 52 a, and a contact 51 that is held by the insulator 52. Yes. The insulator 52 has a long rectangular plate 52e whose corners are chamfered, a square plate 52f that is slightly smaller than the rectangular plate 52e, and a protruding portion 52a that extends forward in a flat plate shape. Yes. An opening 55 is provided at the tip of the protruding portion 52a, and a through hole extending from the opening 55 to the rear is provided to form a contact accommodating space. Further, in the grooves 53 on both sides of the upper surface of the projecting portion 52a, there are engaging claws 54a that prevent the mating connector 50 from coming off in the direction along the mating direction of the connector when the mating connector 50 is mated with the electrical connector 10. The holding piece 54 is accommodated so as to support the opposite side of the engaging claw 54a. The engagement piece 54 has a spring property, and is configured to be biased upward when the electrical claw 54a is pushed down by the electrical connector and to engage with a mating connector (not shown).
The mating contact 51 includes a first contact portion 51a that branches into two and extends toward the opening 55, and a second contact portion 51b that extends to the opening 55. The first contact portion 51a, It differs from the conventional mating connector shown in FIGS. 9 and 10 in that the tip of each contact portion protrudes in a triangular shape toward 51b to form a contact portion.
8A is a cross-sectional view showing a normal fitting state between the electrical connector and the mating connector according to the embodiment of the present invention, and FIG. 8B is an electrical connector and the mating connector according to the embodiment of the present invention. It is sectional drawing which shows the diagonal fitting state.
As shown in FIG. 8A, when the electrical connector 10 and the mating connector 50 are fitted, the first and second contact portions 51 a provided in the opening of the protruding portion of the mating connector 50. and the protrusion 3 of the electrical connector 10 is sandwiched between 51b, the second contact 6, and the contact portion of the second contact portion 51b, contacts the first contact portion 6 b of the electrical connector 10, the The contact portion of the first contact portion 51a and the second contact portion 6a of the electrical connector 10 are brought into electrical contact with each other. On the other hand, also in the 1st contact 5 shown in Drawing 3 (b), the contact part of the 2nd contact part 51b and the 1st contact part 5b of electric connector 10 contact, and the 1st contact part 51a. Are in contact with each other and the second contact portion 5a of the electrical connector 10.
Further, as shown in FIG. 8 (b), the electrical connector 10, the first contact portion 5b of the first and second contacts 5 and 6, in contact with the second contact portion 51b of 6b mating contact of Since the contact surface is on one side, even if a large force is applied in the direction in which the contact is separated and the external component is bent, the first contact portion 51a of the mating connector 50 and the second contact portions 5a, 6a of the electrical connector 10 are used. Will not leave and no conduction will occur.
The electrical connector 10 according to the embodiment of the present invention is widely incorporated in the main body of mobile phones used by general users. In addition, a connector with a cable is used as the mating connector, and data communication or the like is performed in a state where the electrical connector and the mating connector are fitted. For this reason, even when the cable is easily pulled, and when electrical unconnection of the connector becomes a problem, the electrical connector according to the embodiment of the present invention always has any two contact portions. Since one of them contacts, there is no disconnection.
As described above, according to the present invention, it is possible to provide a method of manufacturing an electrical connector capable of taking measures against contact deflection during molding on the opposite side of the fitting surface by bending the contact tip shape. .
In addition, according to the present invention, in the live line type connector, by changing the bent shape of the contact and providing a contact portion of the same line on the mold, reliable contact even when an external force is applied to the mating connector Can be provided.
FIG. 1 is a perspective view of an electrical connector according to an embodiment of the present invention.
2A is a top view of the electrical connector of FIG. 1. FIG.
(B) is a front view.
(C) is a side view.
(D) is a bottom view of the electrical connector of FIG.
3A is a cross-sectional view taken along line IIIA-IIIA in FIG. 2B. FIG.
(B) is sectional drawing which follows the IIIB-IIIB line | wire of FIG.2 (b).
FIG. 4 is a cross-sectional view showing a fixing mold for forming a protruding portion of an insulator.
FIG. 5 is a perspective view showing a fixing mold.
FIG. 6 is a perspective view showing a mating connector of the electrical connector according to the embodiment of the present invention.
7 is a perspective view of the electrical connector of FIG. 6 with the insulator removed. FIG.
FIG. 8A is a sectional view showing a normal fitting state between the electrical connector and the mating connector according to the embodiment of the present invention.
(B) is sectional drawing which shows the diagonal fitting state of the electrical connector by the embodiment of this invention, and the other party connector.
FIG. 9 is a perspective view showing a mating connector fitted to a conventional electrical connector.
10 is a perspective view showing a state in which a fitting portion of the connector shown in FIG. 9 is removed. FIG.
FIG. 11A is a cross-sectional view showing a normal fitting state of a conventional electrical connector and a mating connector.
(B) is sectional drawing which shows the diagonal fitting state of the conventional electrical connector and the other party connector.
DESCRIPTION OF SYMBOLS 1 Insulator 1b Front surface 2 Shell 2a, 2b Mounting piece 2c Corner piece 2d Joint 3 Protrusion part 3b Groove 5 1st contact 5a Upper contact part (2nd contact part)
5b Lower contact part (first contact part)
5d Mounting terminal portion 6 Second contact 6a Upper contact portion (second contact portion)
6b Lower contact part (first contact part)
6d Mounting terminal part 7 Carrier 10 Electrical connector 20 Contact member 32 Lower support base 33 Upper support part 31 Fixing die 31a First partial mold part 31b Second partial mold part 31c Third partial mold mold parts 50, 50 'mating connector 51 mating contacts 51a first contact portion 51b second contact portion 51' contacts 51a' first contact portion 51b' second contact portion 52 insulator 52a projecting portions 52e length square Plate 52f Square plate 53 Groove 54 Engagement piece 54a Engagement claw 55 Opening 60 Electric connector 61 Insulator 61a Protruding part 62 Shell 66 Contact 66a Tip part 66b Contact part 66d Mounting terminal part
In an electrical connector comprising a contact and an insulator for holding and fixing the contact, and mated with a mating connector in a fitting direction ,
The insulator has a substantially flat fitting portion,
The contact includes a first contact portion for connecting to a contact portion of a counterpart contact, and a second contact portion formed on the distal end side of the contact continuously from the first contact portion,
The first contact portion is disposed so as to be exposed on one surface side of the fitting portion, and the second contact portion is on the other surface side of the fitting portion, and the second contact point. Arranged so that at least a part of the part is exposed on the surface of the fitting part,
The mating connector includes a mating contact having a substantially U-shaped contact portion,
The contact part of the counterpart contact includes a first contact part connected to the second contact part, and a second contact part connected to the first contact part,
Each of the contact portions of the first contact portion and the second contact portion is formed so as to be shifted in the fitting direction .
The electrical connector according to claim 1, wherein the contact is integrally formed with the insulator by mold-in.
The electrical connector according to claim 1, further comprising a metal shell that covers the periphery of the insulator including the fitting portion.
4. The electrical connector according to claim 1, wherein the contact includes a first contact and a second contact each including the first contact portion and the second contact portion. 5. The first contact portion of the first contact is bent rearward so that the tip of the first contact portion is U-shaped, and the first contact portion of the second contact is An electrical connector characterized by being bent forward so that its tip has an S-shape.
A method of manufacturing the electrical connector according to claim 1 ,
At one end of the contact, a contact member integrally formed with a carrier for connecting the ends is formed,
On the other end side of the contact, a first contact part for connecting to the mating connector and a second contact part formed on the tip side of the contact continuously from the first contact part, The first contact portion is exposed on one surface side of the fitting portion, and the second contact portion is at least part of the second contact portion on the other surface side of the fitting portion. Is formed so as to be exposed on the surface of the fitting portion, and the first contact portions are fixed apart from each other by a predetermined distance with a fixing mold, and the second contact portion is fixed. Then, overmolding is performed, and the contact is formed integrally with the insulator.
6. The method of manufacturing an electrical connector according to claim 5, wherein the insulator is covered with a metal shell including the fitting portion.
The method of manufacturing an electrical connector according to claim 5 or 6, wherein the contact includes a first contact and a second contact respectively including the first contact portion and the second contact portion, The first contact portion of the first contact is bent rearward so that the tip of the first contact portion is U-shaped, and the tip of the first contact portion of the second contact is S A method of manufacturing an electrical connector, wherein the electrical connector is formed to be bent forward so as to form a letter shape.
JP2003156978A 2003-06-02 2003-06-02 Electrical connector and manufacturing method thereof Expired - Fee Related JP4036370B2 (en)
JP2003156978A JP4036370B2 (en) 2003-06-02 2003-06-02 Electrical connector and manufacturing method thereof
US10/799,648 US7112087B2 (en) 2003-06-02 2004-03-15 Electrical connector and method of producing the same
TW093107206A TWI239694B (en) 2003-06-02 2004-03-18 Electrical connector and method of producing the same
CNB2004100085788A CN1284278C (en) 2003-06-02 2004-03-24 Electrical connector and method of producing the same
EP04007329A EP1484823A1 (en) 2003-06-02 2004-03-26 Electrical connector and method of producing the same
KR1020040021697A KR100610466B1 (en) 2003-06-02 2004-03-30 Electrical connector and method of producing the same
JP2004362827A JP2004362827A (en) 2004-12-24
JP4036370B2 true JP4036370B2 (en) 2008-01-23
ID=33157140
JP2003156978A Expired - Fee Related JP4036370B2 (en) 2003-06-02 2003-06-02 Electrical connector and manufacturing method thereof
US (1) US7112087B2 (en)
EP (1) EP1484823A1 (en)
JP (1) JP4036370B2 (en)
KR (1) KR100610466B1 (en)
CN (1) CN1284278C (en)
TW (1) TWI239694B (en)
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2003-06-02 JP JP2003156978A patent/JP4036370B2/en not_active Expired - Fee Related
2004-03-15 US US10/799,648 patent/US7112087B2/en not_active Expired - Fee Related
2004-03-18 TW TW093107206A patent/TWI239694B/en not_active IP Right Cessation
2004-03-24 CN CNB2004100085788A patent/CN1284278C/en not_active IP Right Cessation
2004-03-26 EP EP04007329A patent/EP1484823A1/en not_active Withdrawn
2004-03-30 KR KR1020040021697A patent/KR100610466B1/en not_active IP Right Cessation
TW200428712A (en) 2004-12-16
KR20040103766A (en) 2004-12-09
EP1484823A1 (en) 2004-12-08
US20040242075A1 (en) 2004-12-02
US7112087B2 (en) 2006-09-26
KR100610466B1 (en) 2006-08-08
TWI239694B (en) 2005-09-11
CN1284278C (en) 2006-11-08
CN1574485A (en) 2005-02-02
JP2004362827A (en) 2004-12-24
JP3351999B2 (en) 2002-12-03 Electrical connector
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