Source: https://patents.google.com/patent/JP3763574B2/en
Timestamp: 2020-08-05 20:08:37
Document Index: 121334816

Matched Legal Cases: ['art 19', 'art 17', 'art 13', 'art 21', 'art 13', 'art 21', 'art 21', 'art 13', 'art 13', 'art 13', 'art 15', 'art 13', 'art 15', 'art 13', 'art 17', 'art 17', 'art 21', 'art 21', 'art 19', 'art 21', 'art 19', 'art 21', 'art 21', 'art 19', 'art 17', 'art 21', 'art 17', 'art 21', 'art 33', 'art 13', 'art 13', 'art 13', 'art 13', 'art 13', 'art 13', 'art 13', 'art 13', 'art 15', 'art\n15', 'art\n15', 'art 15', 'art 17', 'art 19', 'art 21', 'art 21', 'art 21', 'art 21', 'art 31', 'art 35', 'art 41']

JP3763574B2 - connector - Google Patents
JP3763574B2
JP3763574B2 JP2003070154A JP2003070154A JP3763574B2 JP 3763574 B2 JP3763574 B2 JP 3763574B2 JP 2003070154 A JP2003070154 A JP 2003070154A JP 2003070154 A JP2003070154 A JP 2003070154A JP 3763574 B2 JP3763574 B2 JP 3763574B2
JP2003070154A
JP2004281207A (en
清治 長谷部
2003-03-14 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
2003-03-14 Priority to JP2003070154A priority Critical patent/JP3763574B2/en
2004-10-07 Publication of JP2004281207A publication Critical patent/JP2004281207A/en
2006-04-05 Publication of JP3763574B2 publication Critical patent/JP3763574B2/en
The present invention belongs to a connector provided with an insulator lance in an insulator as a retainer of a contact assembled to the insulator.
As shown in FIGS. 27 and 28, the conventional connector improves the workability of inserting the female contact 110 into the housing 144 and breaks the elastic arm 148 when a load is applied in the direction in which the female contact 110 is pulled out. There is a connector to prevent.
At the rear end of the upper wall 128 of the substantially box-shaped contact portion 112 of the female contact 110, a part of the upper wall 128 is folded back 180 degrees to form a protrusion 136.
Since the protrusion 136 is provided on the rear end side of the contact portion 112, the insertion resistance of the female contact 110 into the cavity 142 of the housing 144 is reduced. Moreover, since the area which contacts the engaging surface 148a of the elastic arm 148 is increased by forming the protrusion 136, the elastic arm 148 is prevented from being damaged (see, for example, Patent Document 1).
JP-A-6-215821 (page 2-3, FIGS. 1 to 4)
However, when a structure is adopted in which a part of the upper wall 128 is held at the rear end of the upper wall 128 of the contact portion 112 by a projection 136 that is folded back 180 degrees, the height dimension of the contact portion 112 is such that the upper wall 128 The height dimension becomes large about the plate thickness bent 180 degrees.
Further, when the bending direction of the upper wall 128 is bent in the axial direction of the connector contact, the engagement surface 148a with the elastic arm 148 becomes an R shape by bending the upper wall 128 from the rear to the front, and the female contact 110 is When a load is applied in the pulling direction, the load position applied to the elastic arm 148 is only the apex of the R portion, and stable holding cannot be performed.
Further, when the upper wall 128 is bent from either the front or the left and right from the rear, the elastic arm 148 is displaced more than necessary due to a step difference generated by bending the contact portion 112 when the female contact 110 is inserted into the housing 144. Therefore, there is a problem that the cavity 142 becomes large in order to prevent excessive displacement.
When this structure is used, the load capable of holding the female contact 110 varies depending on the size of the elastic arm 148, but the female mold having a structure that is held by the thickness of the female contact 110 material. In the same manner as the contact 110, the breaking state of the elastic arm 148 when a load exceeding the limit for holding the female contact 110 is applied is a shearing shape, and it is impossible to expect an improvement in holding force.
That is, the holding force at the elastic arm 148 when the female contact 110 is used is a shear failure by the female contact 110, and the holding force cannot be improved unless the lateral width of the elastic arm 148 is widened.
Further, in order to improve the holding force, it is necessary to hold the female contact 110 using another part, and it is necessary to hold the female contact 110 using another part. However, the manufacturing cost increases compared to the conventional case.
Therefore, the subject of this invention is providing the connector which can increase the retention strength of a contact.
According to the present invention, it includes a conductive contact and an insulator assembled with the contact, and the contact is connected to a contact portion connected to the mating contact of the mating connector and to one side of the contact portion. The insulator is inserted in the contact accommodating portion in the insertion direction, and the insulator is inserted in the removal direction opposite to the insertion direction. and the connector and a displaceable insulator lance for engaged with the insulator to prevent the escape to the outside, the contact portion contacts the bottom portion opposed to the bottom wall surface of the contact housing from a first contact side wall and the second contact side wall portion facing the pair of side wall surfaces of the contact receiving portion, the insulation And a locking portion which engages with the removing direction and Taransu, the connecting portion includes a first contact side wall first connecting side wall portion which is connected to one side of, the second contact A second connecting side wall connected to one side of the side wall, wherein the locking portion extends from the first contact side wall to the second contact side wall, and the insulator Locking and holding that faces the end surface of the lance locking portion formed at the tip of the lance so as to abut , and the second contact side wall receives and holds the extended end of the locking portion. part have a, wherein the locking holder is formed by cutting the wall portion of the connecting portion of the second contact side wall and said second connecting side wall portion in a groove shape from the upper end A connector is obtained.
Hereinafter, a first embodiment of a connector according to the present invention will be described. FIG. 1 shows a connector in the first embodiment.
Referring to FIG. 1, a connector includes a conductive contact 11 having a long dimension in a uniaxial direction, a substantially box-shaped insulator 31 holding a plurality of contacts 11 at a predetermined interval, and a substantially box combined with the insulator 31. And a key member 41 having a shape.
2 to 7 show the contact 11 in FIG. 1 in a form before being connected to the cable 51 shown in FIG.
Referring to FIGS. 2 to 7 together with FIG. 1, the contact 11 is connected to a contact portion 13 which is formed in a box shape with a long dimension in one axis direction, and a connection portion 15 on one side of the contact portion 13. And a holding part 19 connected to one side of the crimping part 17.
As specifically shown in FIGS. 3 to 7, the contact portion 13, the connecting portion 15, the pressure-bonding portion 17, and the holding portion 19 include a contact bottom portion 21 a, a connecting bottom portion 21 b, and a pressure-bonding bottom portion that are long in the uniaxial direction. 21c and holding bottom 21d (see FIGS. 4 and 7).
The contact part 13 is perpendicular to one axis direction of the contact bottom part 21a, and a first contact side wall part 13a that is bent and extended substantially perpendicular to one direction from one side of the contact bottom part 21a orthogonal to the one axis direction of the contact bottom part 21a. The contact bottom portion 21a has a second contact side wall portion 13b that is bent and extends substantially perpendicularly in one direction from the other side.
That is, the first contact side wall portion 13a and the second contact side wall portion 13b are opposed to each other. Further, the first contact side wall portion 13a has an upper wall portion 13d that is bent at a substantially right angle so as to face the contact bottom portion 21a from its end side and extends on the end side of the second contact side wall portion 13b. It is connected. Therefore, the contact portion 13 is formed in a box shape by the contact bottom portion 21a, the first contact sidewall portion 13a, the second contact sidewall portion 13b, and the upper wall portion 13d.
Further, as shown in FIGS. 2 to 4, 6, 8, and 9, the contact portion 13 has a locking portion 13 e. The locking portion 13e extends from one side of the first contact side wall portion 13a on the side of the connecting portion 15 by being bent substantially at right angles in a direction perpendicular to the uniaxial direction. The locking portion 13e faces the end side of the upper wall portion 13d on the connecting portion 15 side. Therefore, the opening on the connecting portion 15 side of the contact portion 13 is configured such that most of the opening is closed by the locking portion 13e. The upper part of the locking part 13e is located at a height dimension substantially the same as the height dimension of the upper wall part 13d of the contact part 13.
Further, a guide portion 13g is formed on the tip end side in the uniaxial direction of the contact portion 13 so as to extend from the upper wall portion 13d to be bent at a substantially right angle toward the opening on the tip end side of the contact portion 13. As shown in FIG. 7, the contact portion 13 has a contact spring portion 13k bent from the upper wall portion 13d and connected to one end of a contact base portion 13j facing the upper wall portion 13d, and a contact spring portion 13k. An auxiliary spring portion 13n connected to the other end of the base portion 13j is formed.
The distal end portion of the auxiliary spring portion 13n is located between the contact base portion 13j and the distal end of the contact spring portion 13k. The contact spring portion 13k contacts a conductive mating contact 61 provided in the mating connector shown in FIG.
The connecting portion 15 is perpendicular to one axis direction of the connecting bottom portion 21b, and a first connecting side wall portion 15a that is bent and extended substantially perpendicular to one direction from one side of the connecting bottom portion 21b orthogonal to the one axis direction of the connecting bottom portion 21b. A second connecting side wall portion 15b extending from the other side of the connecting bottom portion 21b by being bent at a substantially right angle in one direction.
The 1st connection side wall part 15a is connected with the 1st contact side wall part 13a. The 2nd connection side wall part 15b is connected with the 2nd contact side wall part 13b. As shown in the enlarged view of part of FIG. 3 in FIG. 10, the distal end portion of the locking portion 13 e enters the wall portion of the connecting portion of the second connecting side wall portion 15 b and the second contact side wall portion 13 b. A locking holding portion 15f is formed. Engaging holding portion 15f has the shape of the second connecting side wall portion 15b and the second contact side wall portion 13b notched shape formed by cutting a groove wall portion of the connecting portion from the upper end of the.
The crimping part 17 is orthogonal to the first crimping side wall part 17a, which is bent and extended substantially perpendicular to one direction from one side of the crimping bottom part 21c orthogonal to the one axis direction of the crimping bottom part 21c. And a second crimping side wall portion 17b that is bent and extended substantially perpendicularly in one direction from the other side of the crimping bottom portion 21c. The first crimp side wall portion 17a is connected to the first connection side wall portion 15a. The second crimp side wall portion 17b is connected to the second connection side wall portion 15b.
The holding part 19 is perpendicular to one axis direction of the holding bottom part 21d, and a first holding side wall part 19a extending from the one side of the holding bottom part 21d perpendicular to the one axis direction of the holding bottom part 21d so as to be bent at a substantially right angle. A second holding side wall portion 19b extending from the other side of the holding bottom portion 21d while being bent substantially at right angles in one direction. The 1st holding | maintenance side wall part 19a is connected with the 1st crimping | compression-bonding side wall part 17a. The second holding sidewall portion 19b is connected to the second crimping sidewall portion 17b.
By the way, as shown in FIG. 11, the contact 11 can be formed into a developed shape of the plurality of contacts 11 by continuously punching a strip-like thin conductive plate.
At this time, the contact 11 having the developed shape is bent in a state where the contact portion 13 is connected to the first carrier 71 and the holding portion 19 is connected to the second carrier 73, as shown in FIG. Make the form of the contact 11 shown. And it isolate | separates from the 1st and 2nd carriers 71 and 73, the core wire 51a of the cable 51 is installed on the crimping | compression-bonding bottom part 21c of the crimping | compression-bonding part 17, and the edge part of the cable 51 is installed on the holding | maintenance bottom part 21d. Thereafter, the core 51a of the cable 51 is crimped by bending the first and second crimp side walls 17a and 17b, and the end of the cable 51 is bent to the first and second holding side walls 19a and 19b. Hold by.
Returning to FIG. 1, the contact 11 connecting the cable 51 and the core wire 51 a is inserted in the insertion direction A indicated by the arrow into the plurality of contact accommodating portions 33 formed in the insulator 31 shown in FIG. 1. An insulator lance 35 having a displaceable elasticity is provided on the upper wall surface of the intermediate portion of the contact accommodating portion 33. The root portion of the insulator lance 35 is integrally connected to the upper wall surface, and extends to the front side in the insertion direction A and to the space of the contact accommodating portion 33.
In the state where the contact 11 is assembled to the contact housing portion 33, the contact bottom portion 13 a of the contact portion 13 faces the bottom wall surface of the contact housing portion 33, and the first and second contact side wall portions 13 a of the contact portion 13, 13 b faces the side wall surface of the contact housing portion 33, and the upper wall portion 13 d of the contact portion 13 faces the upper wall surface of the contact housing portion 33.
When inserting the contact 11 into the contact accommodating portion 33, the insulator 35 is bent by the tip portion being pushed by the guide portion 13 g of the contact 11, and when the contact 11 is inserted in the insertion direction A as it is, the contact accommodating portion 35 is accommodated. when the lance locking portion 35a of the projection shape formed at the distal end portion of the insulator lance 35 at a predetermined position of the part 33 exceeds the locking portion 13e of the contact 11, first and second connection of the connecting portion 15 side walls 15a, restores to the original state by little from entering between 15b. At this time, the end surface of the lance locking portion 35 a abuts against the locking portion 13 e of the contact 11. Note that the locking portion 13e facing the insulator lance 35 is a surface wider than the lance locking portion 35a of the insulator lance 35.
Further, after the lance locking portion 35a faces the locking portion 13e of the contact 11, the key portion 41a of the key member 41 is inserted between the insulator lance 35 and the inner wall surface, thereby swinging the insulator lance 35. To regulate. In this state, even if the cable 51 is pulled out in the pulling direction B opposite to the insertion direction A, it cannot normally be pulled out. Therefore, the insulator lance 35 and the key member 41 prevent the contact 11 from coming out of the insulator 31.
As shown in FIG. 12, when a large tensile force is applied in the removal direction B with the connector being fixed, the contact 11 moves in the contact accommodating portion 33 in the pulled direction, and the locking portion 13e. However, even if it hits the lance locking portion 35a of the insulator lance 35, the load concentrates on the root of the insulator lance 35, so that the root portion of the insulator lance 35 is buckled and broken.
13 to 19 show a second embodiment of the contact used in the connector according to the present invention. In addition, the same code | symbol is attached | subjected to the part same as the contact 11 demonstrated in the 1st Embodiment, and description is abbreviate | omitted.
In the contact 11 according to the second embodiment, the auxiliary contact that is bent at a substantially right angle with the second contact side wall 13b on the side of the connecting portion 15 of the second contact side wall 13b so as to contact the locking portion 13e. A stop 13p is formed.
20 to 26 show a third embodiment of contacts used in the connector according to the present invention. In addition, the same code | symbol is attached | subjected to the part same as the contact 11 demonstrated in the 1st Embodiment, and description is abbreviate | omitted.
In the contact 11 in the third embodiment, an auxiliary locking portion 13r that is bent at a substantially right angle from the upper wall portion 13d is formed on the connecting portion 15 side of the upper wall portion 13b so as to contact the locking portion 13e. Has been.
Each of the auxiliary locking portion 13p and the auxiliary locking portion 13r serves as an auxiliary for receiving a large load when the locking portion 13e hits the lance locking portion 35a and is pushed and a load is applied.
As described above, according to the connector according to the present invention, when the insulator lance comes into contact with the engaging portion formed on the contact portion side of the contact in the removal direction and a load is applied, the insulator is applied. By bending the base portion of the lance, the strength of the contact holding force can be increased.
Also, in order to increase the holding force of the contact, it is larger than the area of the lance locking portion of the insulator lance at the stage where the contact shape is formed from the developed length that presupposes the shape of the locking portion from the same material as the contact portion. By configuring the enlarged locking portion, the load applied to the lance locking portion provided in the vicinity of the tip of the insulator lance is distributed over the entire surface, and the load is concentrated on the root area of the insulator lance.
Further, since the connector does not use separate parts, the manufacturing cost can be reduced because the number of parts of the entire product may be the same as that of the conventional connector.
FIG. 1 is a cross-sectional view showing an embodiment of a connector according to the present invention.
2 is a front view showing a form before connecting the cable of the contact shown in FIG. 1; FIG.
FIG. 3 is a rear view of the contact shown in FIG. 2;
4 is a plan view of the contact shown in FIG. 2. FIG.
FIG. 5 is a left side view of the contact shown in FIG. 2 as viewed from the left side.
6 is a right side view of the contact shown in FIG. 2 as viewed from the right side. FIG.
7 is a cross-sectional view of the contact shown in FIG. 4 taken along the line VII-VII.
8 is an enlarged cross-sectional view taken along line VIII-VIII of the contact shown in FIG.
9 is an enlarged cross-sectional view of the contact shown in FIG. 4 taken along line IX-IX.
FIG. 10 is an enlarged front view showing the locking holding part shown in FIG. 1;
11 is a plan view showing a developed shape of the contact shown in FIG. 4 together with a carrier. FIG.
12 is a cross-sectional view showing a broken state of the housing lance in the connector shown in FIG. 1. FIG.
FIG. 13 shows a second embodiment of the present invention, and is a side view showing a form of a contact before connecting a cable.
14 is a rear view of the contact shown in FIG. 13. FIG.
15 is a plan view of the contact shown in FIG.
16 is a left side view of the contact shown in FIG. 13 as viewed from the left side.
17 is a right side view of the contact shown in FIG. 13 as viewed from the right side.
18 is a cross-sectional view taken along line XIIX-XIIX of the contact shown in FIG.
19 is a cross-sectional view of the contact shown in FIG. 13 taken along line XIX-XIX.
FIG. 20 shows a third embodiment of the present invention, and is a front view showing a form of a contact before connecting a cable.
FIG. 21 is a rear view of the contact shown in FIG. 20;
22 is a plan view of the contact shown in FIG.
23 is a left side view of the contact shown in FIG. 20 as viewed from the left side.
24 is a right side view of the contact shown in FIG. 20 as viewed from the right side.
25 is a cross-sectional view of the contact shown in FIG. 22 taken along line XXV-XXV.
26 is a cross-sectional view of the contact shown in FIG. 20, taken along line XXVI-XXVI.
FIG. 27 is a cross-sectional view of a conventional connector.
28 is a side view showing a partial cross section of the contact of the connector shown in FIG. 27. FIG.
DESCRIPTION OF SYMBOLS 11 Contact 13 Contact part 13a 1st contact side wall part 13b 2nd contact side wall part 13d Upper wall part 13e Locking part 13k Contact spring part 13n Auxiliary spring part 13p Auxiliary locking part 13r Auxiliary locking part 15 Connection part
15a 1st connection side wall part
15b 2nd connection side wall part 15f Locking holding part 17 Crimping part 19 Holding part 21a Contact bottom part 21b Connection bottom part 21c Crimping bottom part 21d Holding bottom part 31 Insulator 33 Contact accommodating part 35 Insulator lance 35a Lance locking part 41 Key member 51 Cable 61 Opponent contact
The contact includes an electrically conductive contact and an insulator having the contact assembled therein, and the contact includes a contact portion connected to the mating contact of the mating connector, and a connecting portion coupled to one side of the contact portion. The insulator includes a contact accommodating portion that accommodates the contact; and the contact is inserted into the contact accommodating portion in an insertion direction, and the contact is pulled out from the insulator in a removal direction opposite to the insertion direction. in displaceable insulator connector and a lance for engaged with the insulator to prevent,
The contact portion includes a contact bottom portion facing a bottom wall surface of the contact housing portion, a first contact side wall portion and a second contact side wall portion facing a pair of side wall surfaces of the contact housing portion, and the insulator lance. A first engaging side wall portion connected to one side of the first contact side wall portion, and the second contact side wall portion. and a second connecting side wall portion which is connected to one side of the locking part, is extended to the second contact side wall portion from said first contact side wall, of the insulator lance The second contact side wall is opposed to an end surface of a lance locking portion formed at the tip, and a locking holding portion for receiving and holding the extended end of the locking portion is provided on the second contact side wall portion. Yes, and engaging the holding portion second contact side wall portion and the connection portion of the second connecting side wall portion Connector, characterized in that the wall portions of the upper end is formed by cutting a groove shape.
The connector according to claim 1, wherein the contact portion includes an auxiliary locking portion that extends from the second contact side wall portion and faces the locking portion.
The connector of claim 1, wherein the contact portion includes an upper wall portion facing the upper wall surface of the contact housing, and an auxiliary locking portion extending from the upper wall portion opposed to the locking portion A connector characterized by having.
JP2003070154A 2003-03-14 2003-03-14 connector Active JP3763574B2 (en)
JP2003070154A JP3763574B2 (en) 2003-03-14 2003-03-14 connector
US10/798,563 US6869312B2 (en) 2003-03-14 2004-03-12 Connector in which a locking portion to be engaged with a housing is formed inside a contact
EP20040006008 EP1463155B1 (en) 2003-03-14 2004-03-12 Connector in which a locking portion to be engaged with a housing is formed inside a contact
DE602004000405T DE602004000405T2 (en) 2003-03-14 2004-03-12 A connector in which a locking element engaging with the housing is arranged on a contact
JP2004281207A JP2004281207A (en) 2004-10-07
JP3763574B2 true JP3763574B2 (en) 2006-04-05
ID=32821266
JP2003070154A Active JP3763574B2 (en) 2003-03-14 2003-03-14 connector
US (1) US6869312B2 (en)
EP (1) EP1463155B1 (en)
JP (1) JP3763574B2 (en)
DE (1) DE602004000405T2 (en)
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2003-03-14 JP JP2003070154A patent/JP3763574B2/en active Active
2004-03-12 US US10/798,563 patent/US6869312B2/en active Active
2004-03-12 EP EP20040006008 patent/EP1463155B1/en not_active Expired - Fee Related
2004-03-12 DE DE602004000405T patent/DE602004000405T2/en not_active Expired - Fee Related
EP1463155A1 (en) 2004-09-29
US6869312B2 (en) 2005-03-22
EP1463155B1 (en) 2006-02-22
US20040180576A1 (en) 2004-09-16
JP2004281207A (en) 2004-10-07
DE602004000405T2 (en) 2006-08-24
DE602004000405D1 (en) 2006-04-27
JP6592127B2 (en) 2019-10-16 Terminal fitting
DE60208129T2 (en) 2006-08-24 Terminal contact, connector equipped therewith and method of making the terminal contact
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