Source: https://patents.google.com/patent/JP2011060438A/en
Timestamp: 2020-07-11 21:00:39
Document Index: 619937504

Matched Legal Cases: ['art 11', 'art 12', 'art 11', 'art 11', 'art 13', 'art 11', 'art 13', 'art 14', 'art 13', 'art 11', 'art 11', 'art 11', 'art 13', 'art 13', 'art 21', 'art 11', 'art 32', 'art 32', 'art 32', 'art 13', 'art 15', 'art 15', 'art 12', 'art 13', 'art 14', 'art 15', 'art 21']

JP2011060438A - Direct-mounting connector terminal and direct-mounting connector - Google Patents
Direct-mounting connector terminal and direct-mounting connector Download PDF
JP2011060438A
JP2011060438A JP2009205579A JP2009205579A JP2011060438A JP 2011060438 A JP2011060438 A JP 2011060438A JP 2009205579 A JP2009205579 A JP 2009205579A JP 2009205579 A JP2009205579 A JP 2009205579A JP 2011060438 A JP2011060438 A JP 2011060438A
JP2009205579A
JP5399827B2 (en
2009-09-07 Application filed by Yazaki Corp, 矢崎総業株式会社 filed Critical Yazaki Corp
2009-09-07 Priority to JP2009205579A priority Critical patent/JP5399827B2/en
2011-03-24 Publication of JP2011060438A publication Critical patent/JP2011060438A/en
2014-01-29 Publication of JP5399827B2 publication Critical patent/JP5399827B2/en
<P>PROBLEM TO BE SOLVED: To contribute to an improvement of connection reliability by preventing a detachment from a lance of a connector housing. <P>SOLUTION: A direct-mounting connector terminal 10 locked to the connector housing 21 by the lance 22 of the connector housing 21 includes: an electric connection part 11 provided along a connection direction F of a mating terminal 31; a bending part 12 connected to the electric connection part 11 and bending from the electric connection part 11; a parallel part 13 connected to the electric connection part 11 and running in parallel with the electric connection part 13; and a locking part 14 formed on the parallel part 13 and locked to the lance 22 of the connector housing 21. <P>COPYRIGHT: (C)2011,JPO&INPIT
The present invention relates to a directly attached connector terminal that is locked to a connector housing and to which a mating terminal is directly attached, and a directly attached connector having the directly attached connector terminal.
As shown in Patent Document 1 and the like, a board-mounted connector mounted on a printed circuit board holds a plurality of terminals with a holder or a housing by press-fitting, integral molding, etc., and an end on one side with respect to the holding portion is a mating terminal And a terminal portion on the other side as a portion to be connected to the board.
JP 2008-41442 A
Compared to the board-mounted connector described above, the direct mounting connector has a structure in which the direct connector terminal is locked to the housing by a lance in the housing, so that it is directly attached by the force when the male and female connectors are fitted. There is a problem that the connector terminal is pushed by the mating terminal and the directly attached connector terminal is detached from the housing. For example, the conventional device direct mounting connector 100 shown in FIGS. 7 and 8 includes a device-side female connector 110 and a wire harness-side male connector 120. The female connector 110 includes a female terminal 111, a female housing 112, a housing lance 113, and a current sensor 114.
The female terminal 111 is housed and fixed in the female housing 112 by locking the housing lance 113 and the locking hole 115. The current sensor 114 measures the value of the current flowing through the female terminal 111 at the current measurement point 116 of the female terminal 111. The male connector 120 includes a male terminal 121 electrically connected to the wire harness and a male housing 122 that accommodates the male terminal.
In the device direct mounting connector 100, the female connector 110 and the male connector 120 are brought close to each other as shown in FIG. 8 and the female housing 112 and the male housing 122 are fitted together, so that the male terminal 121 is connected to the female housing 112. It enters into and is electrically connected to the female terminal 111.
However, when the female connector 110 and the male connector 120 of the device direct-attached connector 100 are fitted, if the force is excessively applied in the direction of the arrow F in FIG. 8, the female terminal 111 is moved in the direction of the arrow F by the male terminal 121. In the worst case, the housing lance 114 is broken by the female terminal 111, and the female terminal 111 is detached from the female housing 112, resulting in a problem that connection reliability is lowered.
Therefore, to solve such a problem, the female terminal 111 can be fixed by screwing and fixing the female terminal 111 to the female housing 112, but the work man-hours and the number of parts are increased, resulting in an increase in cost. Problems arise. In addition, when the female terminal 111 is press-fitted or integrally formed with the female housing 112 as in the above-described board-mounted connector, the fixing portion is necessary, so that the female housing 112 is reduced in size and weight. It was difficult. Further, in the case of the device direct-attached connector 100 that can measure the current by the current sensor 114, if the female terminal 111 is detached, the current sensor 114 is displaced from the current measurement point 116 of the female terminal 111, and the current value is measured. The problem of being unable to do so occurs.
Therefore, in view of the above-described problems, the present invention has an object to provide a directly-attached connector terminal and a directly-attached connector that can prevent the connector housing from being detached from the lance and contribute to improvement in connection reliability. Yes.
In order to solve the above-mentioned problem, the direct connector terminal according to claim 1, wherein the direct connector terminal is locked to the connector housing by a lance of the connector housing, along the connecting direction of the mating terminal. Formed in the parallel portion, a bent portion connected to the electrical connection portion and bent from the electrical connection portion, a parallel portion connected to the bent portion and parallel to the electrical connection portion, and the parallel portion And a locking portion locked to the lance of the connector housing.
According to the directly attached connector terminal of the present invention described in claim 1, when the mating terminal and the electrical connection portion come into contact with each other and a force in the connection direction is applied to the electrical connection portion, the electrical connection portion has a parallel portion. However, since the bent portion is interposed between the electrical connection portion and the parallel portion, the bent portion can be deformed to disperse the force. It is possible to prevent a force from being applied to the stopper.
According to a second aspect of the present invention, in the direct-attached connector terminal according to the first aspect of the present invention, the direct-connector terminal further includes a current measuring unit that is connected to the parallel part and measures a current flowing through the direct-attached connector terminal.
According to the directly attached connector terminal of the present invention described in claim 2, since the force applied from the mating terminal to the electrical connecting portion is dispersed by the bent portion, the parallel portion and The current measuring unit can be prevented from shifting.
In order to solve the above-described problems, a direct connector according to claim 3, which is a connector having the direct connector terminal according to claim 1 and the connector housing, wherein the connector housing is provided. Has a lance locked to the locking portion of the directly attached connector terminal.
According to the direct attachment connector of the present invention as set forth in claim 3, the lance of the connector housing is engaged with the engagement portion formed in the parallel portion of the attachment connector terminal, and the engagement portion is provided with the mating terminal. Therefore, it is possible to prevent the lance of the connector housing from being subjected to a force due to the connector fitting.
As described above, according to the direct attachment connector terminal of the present invention described in claim 1, even if a force in the connecting direction is applied to the electrical connection portion, the bent portion is deformed to disperse the force. As a result, it is possible to prevent a force from being applied to the locking portion of the parallel portion, and thus it is possible to prevent the connector from being detached from the connector housing. Therefore, even with only engagement with the connector housing, it is possible to reliably prevent terminal disconnection due to terminal connection and to improve the connection reliability of the connector. Further, since no force is applied to the lance of the connector housing, the lance can be reduced in size, which can contribute to the reduction in size and weight of the connector.
According to the directly attached connector terminal of the present invention described in claim 2, in addition to the effect of the invention of claim 1, it is possible to prevent the parallel part and the current measuring part from shifting due to contact with the counterpart terminal. Since the relative positional relationship with the current detecting means such as a current sensor can be maintained, the current can be reliably measured.
As described above, according to the direct attachment connector of the present invention described in claim 3, since the force due to the connector fitting is not applied to the lance of the connector housing, it is possible to prevent the direct attachment connector terminal from being detached from the connector housing. Connection reliability can be improved. Moreover, since the lance of the connector housing can be reduced in size, the connector can be reduced in size and weight.
It is a disassembled perspective view of the direct attachment connector which has the direct attachment connector terminal of this invention. It is a perspective view of the direct attachment connector terminal of the present invention. It is a cross-sectional perspective view of the arrow direction which passes along the straight line AA in FIG. It is the enlarged view to which the part A in FIG. 3 was expanded. It is a figure for demonstrating before fitting of a direct attachment connector terminal, (a) is sectional drawing of a connector, (b) is the enlarged view to which the part B in Fig.5 (a) was expanded. It is a figure for demonstrating after the fitting of a direct attachment connector terminal, (a) is sectional drawing of a connector, (b) is the enlarged view to which the part C in FIG. 6 (a) was expanded. It is a figure for demonstrating before fitting of the conventional apparatus direct attachment connector, (a) is sectional drawing of the connector, (b) is the enlarged view which expanded the part D in Fig.7 (a). is there. It is a figure for demonstrating after the fitting of the conventional apparatus direct attachment connector, (a) is sectional drawing of the connector, (b) is the enlarged view to which the part E in Fig.8 (a) was expanded. is there.
Hereinafter, an example of an embodiment of a directly attached connector terminal and a directly attached connector according to the present invention will be described with reference to the drawings of FIGS.
In FIG. 1, a connector 1 includes a female connector 2 on the device side and a male connector 3 on the wire harness side. The female connector 2 and the male connector 3 are fitted close to each other. The connector 1 is used for an electric vehicle or a hybrid electric vehicle (HEV).
The female connector 2 corresponds to the direct connector of the present invention. The female connector 2 includes a plurality (three in FIG. 1) of female terminals 10 corresponding to the directly attached connector terminals of the present invention, a female housing 21 corresponding to the connector housing of the present invention, a plurality of lances 22, a current And a sensor 23. The female connector 2 may be an embodiment in which the current sensor 23 is deleted from the component parts.
The female terminal 10 is locked to the female housing 21 by the lance 22 of the female housing 21. As shown in FIG. 2, the female terminal 10 includes an electrical connecting portion 11, a bent portion 12, a parallel portion 13, a locking portion 14, and a current measuring portion 15, and is made of a conductive metal member. It is integrally formed.
The electrical connection part 11 is a wall erected from a base part 11a provided along the connection direction F with the male terminal 31 of the male connector 3 which is a counterpart terminal, and a side edge part extending in the connection direction F of the base part 11a. And a ceiling 11c that covers the base 11a and extends from the end of the wall 11b so as to protrude toward the base 11a. In the electrical connection portion 11, a space surrounded by the base portion 11 a, the wall portion 11 b, and the ceiling portion 11 c is an accommodation space that is electrically connected to and accommodates the male terminal 31 of the male connector 3.
The bent portion 12 is connected to the electrical connection portion 11 and is formed in a plate shape bent from the electrical connection portion 11. In the present embodiment, the case where the bent portion 12 is bent at a substantially right angle from the electrical connecting portion 11 will be described. However, the present invention is not limited to this. For example, the bent portion 12 is bent at an obtuse angle or an acute angle. It can also be in the form.
The parallel portion 13 is formed to be continuous with the bent portion 12 and parallel to the electrical connection portion 11. The parallel portion 13 is formed in a plate shape along the connection direction F. The locking portion 14 is formed as a through hole near the center of the parallel portion 13. The locking portion 14 is engaged with the lance 22 of the female housing 21 and positioned with respect to the female housing 21.
The current measuring unit 15 is formed in a plate shape that is continuous with the parallel part 13 and bent at a substantially right angle from the parallel part 13. The current measuring unit 15 is formed so that its end protrudes outside the female housing 21 when it is accommodated in the female housing 21. In the current measuring unit 15, a through hole 15a connected to a terminal (not shown) on the device side is formed near the end. As shown in FIG. 1 and the like, the current measuring unit 15 is covered with a current sensor 23 and the current flowing through the female terminal 10 is measured.
The female housing 21 is formed in a substantially box shape made of synthetic resin or the like. The female housing 21 has a plurality of housing portions 21a that house each of the plurality of female terminals 10 and protrude from the housing body, and a pair of convex portions 21b that fix the female housing 21 to a mating member. And the accommodating part 21a accommodates the electrical-connection part 11 of the female terminal 10 in the inside. A metal collar 4 is press-fitted into each of the pair of convex portions 21b, and a bolt is tightened. The collar 4 prevents the female housing 21 from biting into the female housing 21 and being deformed when the female housing 21 is shaved or bolted.
As shown in FIGS. 3 to 6, the lance 22 is formed integrally with the female housing 21 as a spring portion for locking the female terminal 10 to the female housing 21. The lance 22 includes a plate-like elastic portion 22a and a locking convex portion 22b protruding from the surface of the elastic portion 22a toward the female terminal 10. Then, when the female terminal 10 is accommodated in a predetermined accommodation position in the housing 21, the lance 22 enters the engagement portion 14 of the female terminal 10 when the engagement projection 22 b enters the engagement portion 14. Locked.
As the current sensor 23, a known Hall current sensor, a clamp type current sensor, or the like is used, and is fixed to the female housing 21 by a protrusion or the like. The current sensor 23 detects the current flowing through the female terminal 10 and outputs the current value to various control units (not shown) such as motor drive control and direct current conversion control of the motor regenerative current.
The male connector 3 includes a male terminal 31 and a male housing 32 that accommodates the male terminal 31, as shown in FIGS. And the male terminal 31 is formed in plate shape with the electroconductive member. One end of the male terminal 31 is electrically connected to the female terminal 10 by fitting into the electrical connection portion 11 of the female terminal 10 described above. The other end side of the male terminal 31 is electrically connected to the core wire of the electric wire 5. The electric wire 5 is a so-called covered electric wire including a conductive core wire and an insulating covering portion that covers the core wire.
The male housing 32 includes a plurality of fitting portions 32a, a plurality of holding portions 32b, and a lead-out portion 32c. Then, the fitting portion 32 a is fitted into the accommodating portion 21 a of the female housing 21. The holding part 32 b holds the male terminal 31 and the electric wire 5 in a state where the male terminal 31 and the core wire of the electric wire 5 are electrically connected. The holding portion 32b has a fixing portion 32d corresponding to the convex portion 21b of the female housing 21, and is fixed with a bolt or the like in a state of being combined with the convex portion 21b. The lead-out part 32 c leads the electric wire 5 held by the holding part 32 b to the outside of the male housing 31.
Next, an example of assembling the female terminal 10 to the female housing 21 in the female connector 2 described above will be described below.
The female terminal 10 is positioned such that the electrical connection portion 11 is inserted into the accommodating portion 21 a of the female housing 21 and the parallel portion 13 abuts against the inner wall of the female housing 21. When the female terminal 10 is pushed so that the electrical connection portion 11 enters the interior of the housing portion 21 a of the female housing 21, the locking portion 14 of the parallel portion 13 and the lance 22 in the female housing 21 are engaged. Then, it is locked to the female housing 21. Therefore, the female terminal 10 of the present invention does not need to be press-fitted into the female housing 21 or integrally formed.
Next, the effect at the time of the assembly | attachment of the female connector 2 and the male connector 3 of the connector 1 mentioned above is demonstrated below.
First, when the female connector 2 and the male connector 3 are brought close to each other as shown in FIG. 5 and the accommodating portion 21a of the female housing 21 enters the fitting portion 32a of the male housing 32, the electrical connection portion of the female terminal 10 11, the male terminal 31 enters. When the female connector 2 and the male connector 3 are further brought closer, the male terminal 31 further enters the electrical connecting portion 11 of the female terminal 10, and the bent portion 12 of the female terminal 10 is gradually deformed. a) It is pushed together with the male terminal 31 in the connecting direction F. Thereafter, the accommodating portion 21 a of the female housing 21 is completely fitted into the fitting portion 32 a of the male housing 32. At this time, in the present embodiment, as shown in FIG. 6B, the end portion 11a of the electrical connection portion 11 of the female terminal 10 is in contact with the electrical sensor 23 of the female connector 2, so that the female terminal The male terminal 31 can be completely connected to the ten electrical connection portions 11.
According to the female terminal 10 described above, even if a force in the connecting direction F is applied to the electrical connecting portion 11, the bent portion 12 is deformed to disperse the force. Since it can prevent that a force is applied to a part, it can prevent coming off from female housing 21. Therefore, even with only the engagement with the female housing 21, it is possible to reliably prevent terminal disconnection due to terminal connection and improve the connection reliability of the connector 1. Further, since no force is applied to the lance 22 of the female housing 21, the lance 22 can be reduced in size, which can contribute to the reduction in size and weight of the connector 1.
Furthermore, according to the female terminal 10, it is possible to prevent the parallel part 13 and the current measuring part 15 from being displaced due to contact with the male terminal (mating terminal) 31, and therefore the relative positional relationship between the current measuring part 15 and the current sensor 23. Therefore, the current can be measured reliably.
Further, according to the connector 1 described above, since the force due to the connector fitting is not applied to the lance 22 of the female housing 21, it is possible to prevent the female terminal (directly attached connector terminal) 10 from being detached from the connector housing 21. Can be improved. Further, since the lance of the female housing 21 can be reduced in size, the connector can be reduced in size and weight.
In addition, although this embodiment mentioned above demonstrated the case where the directly attached connector terminal of this invention was made into the female terminal 10, this invention is not limited to this, The male terminal 31 mentioned above is used as a directly attached connector terminal. In addition, an operational effect equivalent to the above-described operational effect can be obtained.
As described above, the above-described embodiments are merely representative forms of the present invention, and the present invention is not limited to the embodiments. That is, various modifications can be made without departing from the scope of the present invention.
1 Connector 2 Female connector (Direct connector)
3 Male connector 10 Female terminal (Direct connector terminal)
DESCRIPTION OF SYMBOLS 11 Electrical connection part 12 Bending part 13 Parallel part 14 Locking part 15 Current measuring part 21 Female housing (connector housing)
22 Lance 31 Male terminal (mating terminal)
32 Male housing F Connection direction
In the directly attached connector terminal locked to the connector housing by the lance of the connector housing,
An electrical connection provided along the connection direction of the counterpart terminal;
A bent portion that is continuous with the electric connecting portion and bent from the electric connecting portion;
A parallel portion connected to the bent portion and parallel to the electrical connection portion;
A locking portion formed in the parallel portion and locked to the lance of the connector housing;
A directly attached connector terminal characterized by comprising:
The direct connector terminal according to claim 1, further comprising a current measuring unit connected to the parallel part and configured to measure a current flowing through the direct connector terminal.
A connector having the direct connector terminal according to claim 1 or 2, and the connector housing,
The connector housing has a lance that is locked to a locking portion of the directly attached connector terminal.
JP2009205579A 2009-09-07 2009-09-07 Direct connector terminal and direct connector Active JP5399827B2 (en)
JP2009205579A JP5399827B2 (en) 2009-09-07 2009-09-07 Direct connector terminal and direct connector
CN201080039660.0A CN102484331B (en) 2009-09-07 2010-07-14 Direct-mounting connector terminal and direct-mounting connector
US13/393,896 US8764481B2 (en) 2009-09-07 2010-07-14 Direct mount connector terminal and direct mount connector
PCT/JP2010/061882 WO2011027620A1 (en) 2009-09-07 2010-07-14 Direct-mounting connector terminal and direct-mounting connector
EP10813571.6A EP2477279B1 (en) 2009-09-07 2010-07-14 Direct mount connector
JP2011060438A true JP2011060438A (en) 2011-03-24
JP5399827B2 JP5399827B2 (en) 2014-01-29
ID=43649168
JP2009205579A Active JP5399827B2 (en) 2009-09-07 2009-09-07 Direct connector terminal and direct connector
US (1) US8764481B2 (en)
EP (1) EP2477279B1 (en)
JP (1) JP5399827B2 (en)
CN (1) CN102484331B (en)
WO (1) WO2011027620A1 (en)
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2009-09-07 JP JP2009205579A patent/JP5399827B2/en active Active
2010-07-14 US US13/393,896 patent/US8764481B2/en active Active
2010-07-14 CN CN201080039660.0A patent/CN102484331B/en active IP Right Grant
2010-07-14 WO PCT/JP2010/061882 patent/WO2011027620A1/en active Application Filing
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WO2011027620A1 (en) 2011-03-10
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