JP2014225398A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector capable of preventing excessive deformation of an elastic piece in assembling a terminal and fitting housings, and preventing conduction failure of the terminal and a mating terminal.SOLUTION: A connector 1 comprises: a terminal 7 having an elastic piece 5 with a contact part 3; a first housing 9; a second housing 11; and a mating terminal 15 having a contacted part 13 contacting the contact part 3. A lock part 19 is provided on the first housing 9 in a swing manner, and a rib 21 extends on the second housing 11. Until the first housing 9 and the second housing 11 are brought into a normal fitting condition, an arrangement position of the terminal 7 is varied by swinging the lock part 19, and the rib 21 is inserted between the contact part 3 and a base part 23. When the first housing 9 and the second housing 11 are normally fitted with each other, the arrangement position of the terminal 7 is varied by swinging the lock part 19, so as to bring the contact part 3 into contact with the contacted part 13 of the mating terminal 15.

Description

  The present invention relates to a connector provided with a terminal having an elastic piece.

  Conventionally, as a connector, a fitting detection member as a terminal having an elastic piece provided with a contact portion, a first housing that accommodates the fitting detection member, and a second housing that can be fitted into the first housing And a fitting detection contact as a mating terminal having a contacted portion that is accommodated in the second housing and is brought into contact with the contact portion by the urging force of the elastic piece in a properly fitted state between the first housing and the second housing. What was provided is known (for example, refer patent document 1).

  In this connector, the first housing and the second housing are fitted together, and the first housing and the second housing are properly fitted by contact between the contact portion of the fitting detection member and the contacted portion of the fitting detection contact. Can be detected.

  In the connector disclosed in Patent Document 1, a lock portion that is locked to a fitting protrusion as a locked portion provided in the second housing in a normal fitting state between the first housing and the second housing. The elastic fitting lever is provided so as to be swingable.

  In this elastic fitting lever, the base of the fitting detection member is fitted on the fixed end side, and the tip of the elastic piece of the fitting detection member abuts on the tip side while being urged by the urging force of the elastic piece. Has been.

JP-A-8-22873

  However, in the connector as in Patent Document 1, since the terminal is supported by the lock portion while urging the lock portion by the urging force of the elastic piece, the elastic piece is displaced against the urging force of the elastic piece. However, there is a possibility that the terminal is arranged in the lock portion, and the elastic piece is excessively deformed, and there is a possibility that poor conduction with the counterpart terminal occurs.

  On the other hand, in the connector as in Patent Document 1, when the first housing and the second housing are fitted, the elastic piece of the terminal is displaced against the urging force of the elastic piece by the swing of the lock portion, In a properly fitted state between the housing and the second housing, the elastic piece is restored by the biasing force, and the contact portion comes into contact with the contacted portion of the mating terminal.

  If the contact portion of the terminal and the contacted portion of the mating terminal are contacted by the displacement of the elastic piece in this manner, the elastic piece may be excessively deformed as in the case of assembling the terminal. There was a risk of poor continuity with the terminal.

  Therefore, an object of the present invention is to provide a connector capable of preventing excessive deformation of an elastic piece in assembling terminals and fitting between housings and preventing poor conduction between the terminal and the mating terminal.

  According to a first aspect of the present invention, there is provided a terminal having an elastic piece provided with a contact portion, a first housing that accommodates the terminal, a second housing that can be fitted to the first housing, and the second housing. A connector including a mating terminal having a contacted portion that is accommodated and is brought into contact with the contact portion by an urging force of the elastic piece in a properly fitted state between the first housing and the second housing; In one housing, a lock portion that supports the terminal and is engaged with a locked portion provided in the second housing in a properly fitted state between the first housing and the second housing is provided to be swingable. The second housing supports a contacted portion of the mating terminal and has a rib extending downstream in the fitting direction to the first housing, and the terminal faces the contact portion. Arranged bullets A base portion provided integrally with the piece and supported by the lock portion, and the terminal swings between the first housing and the second housing until the first housing and the second housing are properly fitted. When the arrangement position is changed by the above, the rib is inserted between the contact portion and the base portion, and the lock portion swings when the first housing and the second housing are properly fitted. The arrangement position is changed, and the contact portion is brought into contact with the contacted portion of the mating terminal.

  In this connector, since the contact portion is brought into contact with the contacted portion of the mating terminal due to the change in the terminal arrangement position due to the swinging of the lock portion, the elastic piece of the terminal is displaced when the first housing and the second housing are fitted. Therefore, it is possible to prevent excessive deformation of the elastic piece in the fitting between the housings.

  In addition, since it is not necessary to provide a portion for displacing the elastic piece of the terminal in the first housing, there is no portion that interferes with the elastic piece when assembling the terminal, preventing excessive deformation of the elastic piece when assembling the terminal. can do.

  Further, in the fitting between the first housing and the second housing, since there is no portion where the urging force of the elastic piece is input to the lock portion, the fitting operation force between the housings can be reduced.

  Accordingly, in such a connector, it is possible to prevent excessive deformation of the elastic piece in assembling the terminals and fitting between the housings, and to prevent poor conduction between the terminals and the mating terminals.

  The invention according to claim 2 is the connector according to claim 1, wherein the contacted part of the mating terminal is supported by the rib with the contact surface with the contact part of the terminal facing downward. And

  In this connector, since the contacted part of the mating terminal is supported by the rib with the contact surface with the contact part of the terminal facing downward, it is possible to suppress dust and the like from adhering to the contact surface of the contacted part of the mating terminal. In addition, it is possible to prevent poor conduction due to the presence of impurities between the contact portion of the terminal and the contacted portion of the counterpart terminal.

  Advantageous Effects of Invention According to the present invention, it is possible to provide a connector that can prevent excessive deformation of an elastic piece in assembling terminals and fitting between housings and prevent poor conduction between a terminal and a mating terminal. Play.

1 is a perspective view of a connector according to an embodiment of the present invention. It is sectional drawing of the 1st housing of the connector which concerns on embodiment of this invention. (A) is sectional drawing of the 2nd housing of the connector which concerns on embodiment of this invention. (B) is a principal part enlarged view of Fig.3 (a). It is sectional drawing in the middle of fitting with the 1st housing and 2nd housing of the connector which concerns on embodiment of this invention. It is sectional drawing in the completion of fitting with the 1st housing and 2nd housing of the connector which concerns on embodiment of this invention. It is sectional drawing when a terminal is assembled | attached to the 1st housing of the connector which concerns on embodiment of this invention.

  A connector according to an embodiment of the present invention will be described with reference to FIGS.

  The connector 1 according to this embodiment includes a terminal 7 having an elastic piece 5 provided with a contact portion 3, a first housing 9 that accommodates the terminal 7, and a second housing that can be fitted into the first housing 9. A mating terminal having a housing 11 and a contacted portion 13 which is accommodated in the second housing 11 and is brought into contact with the contact portion 3 by the urging force of the elastic piece 5 in a properly fitted state between the first housing 9 and the second housing 11. 15.

  The first housing 9 has a lock portion 19 that supports the terminal 7 and is engaged with a locked portion 17 provided in the second housing 11 in a properly fitted state between the first housing 9 and the second housing 11. Is provided to be swingable.

  Furthermore, a rib 21 is extended from the second housing 11 toward the downstream side in the fitting direction to the first housing 9 so as to support the contacted portion 13 of the mating terminal 15.

  Further, the terminal 7 has a base portion 23 that is disposed to face the contact portion 3, is provided integrally with the elastic piece 5, and is supported by the lock portion 19.

  The terminal 7 is disposed between the contact portion 3 and the base portion 23 by the swinging of the lock portion 19 until the first housing 9 and the second housing 11 are in the normal fitting state. When the rib 21 is inserted and the first housing 9 and the second housing 11 are in the normal fitting state, the arrangement position is changed by the swinging of the lock portion 19, so that the contact portion 3 is a contacted portion of the mating terminal 15. 13 is contacted.

  The contacted portion 13 of the mating terminal 15 is supported by the rib 21 with the contact surface of the terminal 7 with the contact portion 3 facing downward.

  In the connector 1 according to the present embodiment, the first housing 9 and the second housing 11 are fitted, and the contact between the contact portion 3 and the contacted portion 13 causes the first housing 9 and the second housing 11 to contact each other. It is a fitting detection connector which can detect a regular fitting state.

  As shown in FIGS. 1 to 6, the terminal 7 is provided with the elastic piece 5 and the contact portion 3 with respect to the base portion 23 by punching and bending a thin plate-like conductive material. The terminal 7 is preferably a short-circuit terminal that connects two conductors.

  The elastic piece 5 is formed as one member continuous with the base portion 23 by bending one end side of the base portion 23 into a U shape, and is provided so as to be elastically deformable with a predetermined urging force. This elastic piece 5 is provided so as to be a pair of elastic pieces 5, 5 with respect to the base portion 23, and contact portions 3, 3 are provided at respective tip portions.

  The contact portion 3 is bent and formed in a semicircular shape at the distal ends of the pair of elastic pieces 5 and 5, and is disposed to face the base portion 23. The contact portion 3 is brought into contact with the contacted portion 13 of the mating terminal 15 accommodated in the second housing 11 by the urging force of the elastic piece 5 to electrically connect the terminal 7 and the mating terminal 15.

  In such a terminal 7, the base portion 23 is inserted into the insertion groove 25 provided in the lock portion 19 of the first housing 9 and supported by the lock portion 19, and the elastic piece 5 and the contact portion 3 are inside the first housing 9. Is accommodated in the storage chamber 27.

  The first housing 9 is made of an insulating material such as synthetic resin, is formed in a casing shape, and includes a storage chamber 27 and a lock portion 19. The accommodation chamber 27 is provided at the center in the width direction on the upper side in the height direction inside the first housing 9, and the elastic piece 5 of the terminal 7 and the contact portion 3 are accommodated and disposed. In addition, an opening 29 into which the rib 21 of the second housing 11 can be inserted is provided in the wall portion located on the proximal end side of the lock portion 19 of the storage chamber 27. A lock portion 19 is provided above the storage chamber 27.

  A plurality of terminals in which a plurality of female terminals 33 connected to the ends of the electric wires 31 connected to a power source, equipment, and the like are accommodated and arranged on the lower side in the height direction and both sides in the width direction of the accommodation chamber 27. A housing part 35 is provided. The plurality of female terminals 33 accommodated in the plurality of terminal accommodating portions 35 are prevented from coming off by being engaged with a locking lance 37, a double locking member 39 inserted into the terminal accommodating portion 35, or the like. .

  The lock portion 19 is swingably provided above the storage chamber 27 with the opening 29 side of the storage chamber 27 as a base end, and includes an insertion groove 25 and a locking projection 41. The insertion groove 25 is provided on the accommodation chamber 27 side, which is the lower surface of the lock portion 19, and the base portion 23 of the terminal 7 is inserted to support the terminal 7. Thus, by inserting the base 23 of the terminal 7 into the insertion groove 25 and supporting the terminal 7, the arrangement position of the terminal 7 can be changed by swinging the lock portion 19.

  The locking convex portion 41 is provided at the center of the upper surface of the lock portion 19, the front side in the fitting direction with the second housing 11 is an inclined surface, and the rear side in the fitting direction is a vertical surface. It is a locking surface. When the first housing 9 and the second housing 11 are fitted to each other, the locking projection 41 swings the lock portion 19 downward by the inclined surface coming into contact with the locked portion 17 of the second housing 11. When the first housing 9 and the second housing 11 are properly fitted to each other, the locking surface is locked to the locked portion 17 by restoring the locking portion 19 upward.

  An operation unit 43 is provided on the distal end side of the lock unit 19, and the lock unit 19 is swung downward by pressing the operation unit 43 downward, so that the locking projection 41 and the covered portion are covered. The locking with the lock portion 17 is released, and the fitting between the first housing 9 and the second housing 11 can be released.

  The second housing 11 is made of an insulating material such as synthetic resin, is formed in a housing shape, and includes a hood portion 45 and ribs 21. The hood portion 45 is opened on the front side in the fitting direction with the first housing 9, and three hood portions 45 are provided in the width direction of the second housing 11, and the first housing 9 can be fitted to each hood portion 45. It has become. Further, at the opening end of the hood portion 45, a locked portion 17 to which the locking convex portion 41 of the locking portion 19 of the first housing 9 is brought into contact and locked is extended downward. A rib 21 is provided in the hood portion 45.

  In the hood part 45, the rib 21 extends from the wall part in which the mating terminal 15 is inserted toward the downstream side in the fitting direction to the first housing 9. The rib 21 supports the contacted portion 13 of the mating terminal 15 disposed in the hood portion 45, and engages the first housing 9 and the second housing 11, so that the opening 21 of the first housing 9 can be fitted. It is inserted into the storage chamber 27.

  The hood portion 45 accommodates and arranges connection portions of a plurality of L-shaped male terminals 49 connected to the substrate 47. The plurality of male terminals 49 are electrically connected to the plurality of female terminals 33 accommodated in the first housing 9 when the first housing 9 and the second housing 11 are in a properly fitted state.

  The mating terminal 15 is made of a conductive material, is formed in an L shape, has one end connected to the substrate 47, and the other end inserted into the hood 45 to be a contacted portion 13 supported by the rib 21. Yes. The contacted portion 13 is supported by the rib 21 with the contact surface of the terminal 7 with the contact portion 3 facing downward. By arranging the contacted part 13 in this way, it is possible to suppress the accumulation of impurities such as dust on the surface of the contacted part 13.

  The mating terminal 15 is composed of a pair of mating terminals 15 and 15, and is connected to a conduction circuit formed on the substrate 47. When the contact parts 3 and 3 of the terminal 7 come into contact with the contacted parts 13 and 13, respectively. A pair of mating terminals 15 and 15 are electrically connected via the terminal 7.

  When the first housing 9 and the second housing 11 are properly fitted, the pair of mating terminals 15 and 15 are brought into contact with the contacted portions 13 and 13 by the biasing force of the elastic pieces 5 and 5 of the terminal 7. The contact portions 3 and 3 are brought into contact with each other to be conducted. The fitting state between the first housing 9 and the second housing 11 can be detected based on the presence or absence of conduction between the pair of mating terminals 15 and 15.

  In the connector 1 thus configured, first, the terminal 7 is inserted from the opening of the accommodation chamber 27 of the first housing 9, the base portion 23 of the terminal 7 is inserted into the insertion groove 25, and the terminal 7 is placed in the accommodation chamber 27. Deploy.

  Next, the second housing 11 and the first housing 9 in which the respective members are accommodated are fitted. At this time, the rib 21 of the second housing 11 is inserted from the opening 29 of the first housing 9.

  When the fitting of the first housing 9 and the second housing 11 is started, the locking convex portion 41 of the lock portion 19 comes into contact with the locked portion 17 and the lock portion 19 starts swinging. The movement of the arrangement position of the terminal 7 is also started by the movement.

  Next, when the locking convex part 41 of the lock part 19 is brought into contact with the top surface of the locked part 17 and the swing of the lock part 19 is maximized, the variation in the arrangement position of the terminal 7 is also maximized. At this time, the rib 21 of the second housing 11 is disposed between the contact portion 3 of the terminal 7 and the base portion 23, and the contact portion 3 of the terminal 7 and the contacted portion 13 of the mating terminal 15 are separated from each other. Become. Thereby, the conduction between the terminal 7 and the mating terminal 15 is prevented, and the half-fitted state between the first housing 9 and the second housing 11 can be detected.

  And when the 1st housing 9 and the 2nd housing 11 will be in a regular fitting state, the latching convex part 41 of the lock part 19 will be latched by the to-be-locked part 17, and the lock part 19 will be restored upwards. Is done. As the lock portion 19 swings upward, the position of the terminal 7 is also displaced upward, and the contact portion 3 is brought into contact with the contacted portion 13 of the mating terminal 15 by the urging force of the elastic piece 5. By this contact, it is possible to detect that the pair of mating terminals 15 and 15 are conducted through the terminal 7 and the first housing 9 and the second housing 11 are in the properly fitted state.

  As shown in FIG. 6, the contact portion 3 and the contacted portion 13 of the mating terminal 15 are brought into contact with or released from the contact without causing the elastic piece 5 to be displaced due to the change in the arrangement position of the terminal 7. It is not necessary to provide the part 19 or the accommodating chamber 27 with a portion that directly displaces the elastic piece 5 of the terminal 7.

  For this reason, when the terminal 7 is assembled to the first housing 9, there is no portion that interferes with the elastic piece 5 in the accommodation chamber 27 of the first housing 9, and excessive deformation of the elastic piece 5 in assembling the terminal 7 occurs. Can be prevented.

  On the other hand, when the first housing 9 and the second housing 11 are fitted together, it is not necessary to displace the elastic piece 5, and excessive deformation of the elastic piece 5 during fitting between the housings 9 and 11 can be prevented.

  In such a connector 1, the contact portion 3 is brought into contact with the contacted portion 13 of the mating terminal 15 due to the change in the arrangement position of the terminal 7 due to the swinging of the lock portion 19, so that the first housing 9 and the second housing 11 It is not necessary to displace the elastic piece 5 of the terminal 7 at the time of fitting, and excessive deformation of the elastic piece 5 in fitting between the housings 9 and 11 can be prevented.

  Further, since it is not necessary to provide the first housing 9 with a portion for displacing the elastic piece 5 of the terminal 7, there is no portion that interferes with the elastic piece 5 when the terminal 7 is assembled, and the elastic piece in the assembly of the terminal 7. The excessive deformation of 5 can be prevented.

  Further, in the fitting between the first housing 9 and the second housing 11, there is no portion where the urging force of the elastic piece 5 is input to the lock portion 19, so that the fitting operation force between the housings 9 and 11 is reduced. Can do.

  Therefore, in such a connector 1, excessive deformation of the elastic piece 5 in assembling the terminal 7 and fitting between the housings 9 and 11 can be prevented, and poor conduction between the terminal 7 and the mating terminal 15 can be prevented. it can.

  Further, since the contacted part 13 of the mating terminal 15 is supported by the rib 21 with the contact surface of the terminal 7 with the contact part 3 facing downward, dust or the like is present on the contact surface of the contacted part 13 of the mating terminal 15. Adhesion can be suppressed, and poor conduction due to the presence of impurities between the contact portion 3 of the terminal 7 and the contacted portion 13 of the mating terminal 15 can be prevented.

  In the connector according to the embodiment of the present invention, the position of the terminal is changed downward during the fitting between the housings by the swinging of the lock portion, and is changed upward in the normal fitting state between the housings. However, for example, if the configuration is such that the position of the terminal is changed by swinging of the lock portion, such as changing upward in the middle of fitting between the housings, and changing downward in the normal fitting state between the housings, The changing direction of the terminal arrangement position may be any direction.

  In accordance with such variation of the terminal arrangement position, the contact portion of the terminal and the contacted portion of the mating terminal can be contacted or released in the normal fitting state between the housings and during the fitting between the housings. In addition, the contact portion of the terminal and the contacted portion of the mating terminal may be configured.

DESCRIPTION OF SYMBOLS 1 ... Connector 3 ... Contact part 5 ... Elastic piece 7 ... Terminal 9 ... 1st housing 11 ... 2nd housing 13 ... Contacted part 15 ... Mating terminal 17 ... Locked part 19 ... Lock part 21 ... Rib 23 ... Base

Claims (2)

A terminal having an elastic piece provided with a contact portion; a first housing that accommodates the terminal; a second housing that can be fitted into the first housing; and the first housing and the housing that are accommodated in the second housing. A connector including a mating terminal having a contacted portion that is brought into contact with the contact portion by a biasing force of the elastic piece in a normal fitting state with the second housing;
In the first housing, a lock portion that supports the terminal and is engaged with a locked portion provided in the second housing in a properly fitted state between the first housing and the second housing is swingable. Provided in
In the second housing, a rib is extended toward the downstream side in the fitting direction to the first housing, supporting the contacted portion of the mating terminal.
The terminal has a base that is disposed to face the contact portion and is provided integrally with the elastic piece and supported by the lock portion,
The position of the terminal is changed by the swing of the lock portion until the first housing and the second housing are in a normal fitting state, and the rib is interposed between the contact portion and the base portion. Is inserted, and when the first housing and the second housing are in a properly fitted state, the arrangement position is changed by swinging of the lock portion, and the contact portion contacts the contacted portion of the mating terminal. Connector characterized by being made. The connector according to claim 1,
The contact portion of the mating terminal is supported by the rib with the contact surface with the contact portion of the terminal facing downward.

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