JP2007234475A - Lever type connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lever type connector whose real connection fitting can be certainly and easily checked by preparing a mechanism capable of directly checking the real connection fitting of the lever type connector itself, and for which a large amount of capital investment is unnecessary. <P>SOLUTION: The lever type connector 10 comprises: an inner housing 14 containing terminals; an electrical connector frame 11 in which the inner housing 14 is inserted; a lever 12 rotatably attached to the electrical connector frame 11, which makes the inner housing 14 fit in a mating connector housing via the electrical connector frame 11 with the rotation of the lever 12; and a holder 13 detachably attached to the electrical connector frame 11, which holds the lever 12 not-rotatably by selecting the attaching position on the electrical connector frame 11, and which is capable of detecting the position of the electrical connector frame 11 to which the inner housing 14 is inserted. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a lever-type connector that fits into a mating connector housing by accommodating an inner housing in a connector frame and rotating the lever.

  As a conventional lever-type connector, a male connector is accommodated in a female connector via the collective frame by turning the female connector lever after the male connector is accommodated in the collective frame. (For example, refer to Patent Document 1).

  As shown in FIG. 11, the lever-type connector 100 disclosed in Patent Document 1 is provided with a pin 105 that engages with a cam groove 104 of a lever 103 on an assembly frame 102 that houses a male connector 101. After the connector 101 is accommodated in the collective frame 102, the lever 103 is rotated to advance the pins 105 of the collective frame 102 into the female connector 106, and the male connector 101 is incorporated into the female connector 106.

Japanese Patent Laid-Open No. 6-119955 (FIG. 1)

  However, in the conventional lever-type connector disclosed in Patent Document 1, whether or not the male connector 101 is fully fitted to the female connector 106 is connected to the checker fixture and each of the connectors 101 and 106. Because it was done only by pulling the wire harness, it was difficult to confirm reliably, and expensive equipment such as a checker fixture was required, so a large amount of capital investment was forced.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a mechanism capable of confirming the main fitting on the lever-type connector itself, thereby facilitating the reliable confirmation of the main fitting and a large amount. It is to provide a lever type connector that can eliminate the need for capital investment.

  1) A lever-type connector according to the present invention includes an inner housing that accommodates a terminal, a connector frame into which the inner housing is inserted, and the connector frame that is rotatably assembled to the connector frame via the connector frame. A lever-type connector having a lever for fitting the inner housing to the mating connector housing, and is removably assembled to the connector frame, and the lever cannot be rotated depending on the mounting position on the connector frame. And a holder capable of detecting the insertion position of the inner housing into the connector frame.

  According to the invention described in 1) above, the holder is shipped at the first mounting position on the connector frame. When the holder is in the first mounting position, the lever is prevented from rotating and insertion into the connector frame of the inner housing is allowed. Then, after shipping, the inner housing is inserted into the connector frame. If the insertion is a halfway fitting, the holder cannot be incorporated into the second mounting position with respect to the connector frame, so the inner housing is a halfway fitting. This is urged by the operator. Since the holder can be incorporated into the second mounting position with respect to the connector frame by inserting the inner housing to the main fitting position, the operator can confirm that the inner housing is in the main fitting position.

  2) Moreover, the lever type connector according to the present invention is the lever type connector according to the above 1), wherein the holder has a first locking portion receiver that is locked to a first locking portion of the connector frame. A second engagement member that allows the insertion of the inner housing into the connector frame at a position where the first engagement portion receiver is engaged with the first engagement portion, and that is provided in the connector frame. A second locking portion receiver that is locked to the locking portion is formed, and the second locking portion receiver is locked to the second locking portion from the connector frame of the inner housing. It is characterized in that the withdrawal is prevented.

  According to the invention described in 2) above, insertion of the inner housing into the connector frame is allowed at the first mounting position where the first locking portion receiver of the holder is locked to the first locking portion of the connector frame. Therefore, the operator can insert the inner housing after confirming that the holder is in the first mounting position. In addition, since the second housing portion of the holder is prevented from being pulled out of the connector frame of the inner housing at the second mounting position where the second retaining portion of the holder is locked to the second locking portion of the connector frame, By being in 2 mounting position, it can confirm that an inner housing exists in this fitting position.

  3) Moreover, the lever type connector according to the present invention is the lever type connector according to the above 1) or 2), wherein the holder is inserted when the inner housing is inserted into the connector frame at an intermediate fitting position. The inner housing position detecting contact protrusion is formed so as to contact the protrusion of the inner housing.

  According to the invention described in 3) above, even if the holder is moved from the first mounting position to the second mounting position when the inner housing is halfway fitted, the inner housing position detection protrusion of the holder is By abutting on the protrusions, it is possible to prompt the operator that the inner housing is in the middle of fitting. Therefore, the insertion position of the inner housing can be confirmed.

  According to the lever-type connector of the present invention, it is possible to solve the problems that it is difficult to reliably check the connector connection, and that a large amount of capital investment is required. By providing this, it is possible to easily confirm surely the main fitting and to eliminate the need for a large amount of equipment investment.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings.

  FIG. 1 is an exploded perspective view of an embodiment of the lever-type connector of the present invention, FIG. 2 is an external perspective view of the lever-type connector shown in FIG. 1 at a first mounting position, and FIG. 3 is a lever-type connector shown in FIG. 4 is a cross-sectional view of the connector taken along the line I-I, FIG. 4 is an enlarged view of the main part at the first mounting position of the holder shown in FIG. 2, and FIG. It is sectional drawing. 6 is a cross-sectional view corresponding to the line I-I in the middle fitting state of the inner housing in the lever type connector shown in FIG. 2, and FIG. 7 is a state of the inner housing in the main fitting state of the lever type connector shown in FIG. FIG. 8 is a cross-sectional view corresponding to the line I-I, FIG. 8 is an enlarged view of the main part of the holder shown in FIG. 2 at the second mounting position, and FIG. 9 is an external perspective view of the lever-type connector housing shown in FIG. 10 and 10 are external perspective views of the lever-type connector shown in FIG. 1 attached to the mating connector.

  As shown in FIG. 1, a lever connector 10 according to an embodiment of the present invention includes a connector frame 11, a lever 12, a holder 13, and an inner housing 14.

  The connector frame 11 is formed in a rectangular and bottomed cylindrical shape, and includes three independent inner housing mounting portions 15 in the width direction. The inner housing mounting portion 15 is disposed between the top plate 16 and the bottom plate 17 at one side plate 18 disposed at the left end portion in FIG. 1, one partition plate 19 disposed at the center left side, and the center right side. The other partition plate 20 and the other side plate 21 disposed at the right end in FIG. 1 are surrounded by each other.

  The inner surface of one side plate 18, the left side surface of one partition plate 19, the right side surface of one partition plate 19, the left side surface of the other partition plate 20, and the right side of the other partition plate 20 An inner housing insertion guide 22 is formed on the other surface and the inner surface of the other side plate 21 in pairs in the width direction. The inner housing insertion guide 22 is open on the inner housing insertion side, which is the front side in FIG.

  Inner housing insertion side of one side plate 18, inner housing insertion side of the other side plate 21, right and left sides of one partition plate 19 on the inner housing insertion side, and inner housing insertion of the other partition plate 20 Holder insertion grooves 23 are formed in the vertical direction on the left and right sides, respectively.

  The holder insertion groove 23 of one side plate 18 and the holder insertion groove 23 of the other side plate 21 are respectively formed with first locking portions 24 near the top plate 16, and one side plate 18. And the 2nd latching | locking part 25 is each formed near the baseplate 17 of each holder insertion groove | channel 23 of one partition plate 19, the other partition plate 20, and the other side plate 21. As shown in FIG.

  Two pairs of lever bosses 26 are formed to project from the center of each of the top plate 16 and the bottom plate 17, and project inward from each of the three inner housing mounting portions 15. The engaging portion 27 is formed. Since the engaging part 27 protrudes through the notches 28 arranged on both sides, the engaging part 27 is elastically deformed.

  The lever 12 includes two plate portions 29 and an operation portion 30 disposed at the ends of the two plate portions 29. At the center of the plate portion 29, two pairs of upper and lower boss holes 31 each having a long hole shape are formed. A tapered lever-side inclined surface 32 is formed on the distal end side in the rotational direction of the two plate portions 29.

  The holder 13 is formed in a shape similar to the shape obtained by vertically cutting the connector frame 11, the pressing portion 33 disposed on the top, one side plate 18 in the connector frame 11, and one partition plate 19. And six insertion plate portions 34 respectively suspended from the pressing portion 33 corresponding to the other partition plate 20 and the other side plate 21.

  Six second locking portion receivers 35 are formed on the six insertion plate portions 34 on the outer side near the distal end portion. Each of the six insertion plate portions 34 has an inner housing position detection abutment projection 36 at the tip. And the 1st latching | locking part receptacle 37 is each formed in the protrusion part 33 side of the two insertion board parts 34 arrange | positioned on the outer side of the six insertion board parts 34, and protrudes.

  The inner housing 14 has a plurality of terminal accommodating portions 38, and an engagement protrusion 39 is formed on the front side in the insertion direction of the top portion. Moreover, the protrusion 40 is each formed in the insertion direction rear side of both sides.

  As shown in FIGS. 2 to 4, the lever-type connector 10 is rotatably supported by inserting the two pairs of boss holes 30 of the lever 12 into the two pairs of lever bosses 26 of the connector frame 11. Then, the six insertion plate portions 34 of the holder 13 are inserted into the holder insertion groove 23 of the connector frame 11, and the first locking portion receiver 37 of the holder 13 is engaged with the first locking portion 24 of the holder insertion groove 23. Is held at a position where the first mounting position A1 of the holder 13 is set. At this time, since the pressing portion 33 protrudes from the connector frame 11, the lever 13 cannot be rotated because the rotation is restricted. A holder-side inclined surface 41 is formed on the holder 13 on the lever 12 side of the pressing portion 33. The lever-type connector 10 is shipped with the holder 13 in the first mounting position A1.

  As shown in FIG. 5, when the holder 13 is in the first mounting position A1, the three inner housings 14 are inserted into the three inner housing mounting portions 15 of the connector frame 11, respectively. In the inner housing 14, a plurality of female terminals 42 are respectively accommodated and fixed in a plurality of terminal accommodating portions 38. When the inner housing 14 is inserted into the inner housing mounting portion 15 of the connector frame 11, the protrusion 40 advances while being guided by the inner housing insertion guide 22 of the connector frame 11, and the engaging protrusion 39 is connected to the connector housing 11. The main fitting is performed after the engaging portion 27 of the frame 11 is exceeded. Since the inner housing 14 is finally fitted, the inner housing position detecting contact protrusion 36 of the holder 13 is not disposed on the protrusion 40 of the inner housing 14, and therefore the holder 13 is moved from the first mounting position A1 to the first position. 2 It can move to mounting position A2.

  As shown in FIG. 6, when the inner housing 14 is inserted into the inner housing mounting portion 15 of the connector frame 11 when the holder 13 is at the first mounting position A1, the inner housing 14 is halfway fitted. In the inner housing 14, the engaging protrusion 39 does not exceed the engaging portion 27 of the connector frame 11. Then, since the inner housing position detection contact protrusion 36 of the holder 13 is disposed on the protrusion 40 of the inner housing 14, the holder 13 moves from the first mounting position A1 to the second mounting position A2. Thus, the operator is prompted that the inner housing 14 is in mid-fitting.

  At this time, when the lever 12 is rotated without the operator noticing that the inner housing 14 is in the middle of fitting, the holder 13 is in the first mounting position A1, and therefore the lever-side inclined surface 32 of the lever 12 is. Comes into contact with the holder inclined surface 41 of the holder 13, and the holder 13 pops upward by the inclination angle of these inclined surfaces 32, 41, thereby confirming to the operator that the inner housing 14 is in the middle of fitting. Can be made.

  As shown in FIGS. 7 and 8, when the inner housing 14 is inserted into the inner housing mounting portion 15 of the connector frame 11 when the holder 13 is in the first mounting position A1, the inner housing 14 is engaged. When the protrusion 39 exceeds the engaging portion 27 of the connector frame 11 and the inner housing 14 is finally fitted, the pressing portion 33 of the holder 13 is pressed downward.

  At this time, since the inner housing position detecting contact protrusion 36 of the holder 13 is not disposed on the protrusion 40 of the inner housing 14, the holder 13 is moved downward from the first mounting position A1. Accordingly, the first locking portion receiver 37 of the holder 13 is disengaged from the first locking portion 24 of the holder insertion groove 23, and the second locking portion receiver 35 is engaged with the second locking portion 25 of the holder insertion groove 23. The holder 13 is held at the second mounting position A2. When the holder 13 is in the second mounting position A2, the inner plate 14 cannot be forcibly pulled out from the connector frame 11 because the insertion plate portion 34 of the holder 13 contacts the protrusion 40 of the inner housing 14 on the pulling side. The inner housing 14 is held in the connector frame 11.

  As shown in FIG. 9, since the holder 13 is held at the second mounting position A <b> 2, the pressing portion 33 of the holder 13 is flush with the top plate 16 of the connector frame 11. Permissible.

  As shown in FIG. 10, the lever-type connector 10 with the lever 12 turned is inserted into the mating connector housing 50, and then the lever 12 is turned in the return direction, so that the connector 12 is interposed via the connector frame 11. The inner housing 14 is pressed and inserted into the mating connector housing 50, and the female terminals 42 of the inner housing 14 are electrically connected to the male terminals 51 accommodated in the mating connector housing 50.

  As described above, according to the lever-type connector 10, the holder 13 is shipped at the first mounting position A1 to the connector frame 11. When the holder 13 is in the first mounting position A1, the lever 12 is prevented from rotating, and insertion of the inner housing 14 into the connector frame 11 is allowed. Then, after shipment, the inner housing 14 is inserted into the connector frame 11. If the insertion is a halfway fitting, the holder 13 cannot be incorporated into the second mounting position A <b> 2 with respect to the connector frame 11. Is urged by the operator to be a halfway fit. The holder 13 can be incorporated into the second mounting position A2 with respect to the connector frame 11 by inserting the inner housing 14 to the final fitting position, so that the operator can confirm that the inner housing 14 is in the final fitting position. Can be confirmed.

  Further, according to the lever type connector 10, the connector frame 11 of the inner housing 14 is at the first mounting position A <b> 1 where the first locking portion receiver 37 of the holder 13 is locked to the first locking portion 24 of the connector frame 11. Therefore, the operator can insert the inner housing 14 after confirming that the holder 13 is at the first mounting position A1.

  Further, according to the lever type connector 10, the connector frame 11 of the inner housing 14 is at the second mounting position A <b> 2 where the second locking portion receiver 35 of the holder 13 is locked to the second locking portion 25 of the connector frame 11. Therefore, the operator can confirm that the inner housing 14 is in the main fitting position when the holder 13 is in the second mounting position A2.

  Further, according to the lever-type connector 10, even when the holder 13 is moved from the first mounting position A1 to the second mounting position A2 when the inner housing 14 is halfway fitted, the inner housing position of the holder 13 is detected. The protrusion 36 abuts against the protrusion 40 of the inner housing 14 to prompt the operator that the inner housing 14 is in the middle of fitting. Therefore, the insertion position of the inner housing 14 can be confirmed.

  Further, according to the lever-type connector 10, when the inner housing 14 is inserted into the connector frame 11, the operator can wait until the engaging protrusion 39 of the inner housing 14 is engaged with the engaging portion 27 of the connector frame 11. By inserting, it can confirm that the inner housing 14 was inserted to this fitting position.

  Further, according to the lever-type connector 10, even if the lever 12 is about to be rotated in the shipping configuration in which the holder 13 is located at the first mounting position A1 where the inner housing 14 can be inserted into the connector frame 11, the lever side of the lever 12 When the inclined surface 32 abuts on the holder-side inclined surface 41 of the holder 13, the lever 12 is prevented from rotating. Thereby, it is possible to prevent the malfunction by preventing the lever 12 from rotating at the time of shipment. When the inner housing 14 is finally fitted to the connector frame 11 and the holder 13 is moved to the second mounting position A2, the holder-side inclined surface 41 of the holder 13 does not contact the lever-side inclined surface 32 of the lever 12. In order to allow the lever 12 to rotate, the lever 12 can be rotated for fitting to the mating connector housing 50.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. For example, the number of inner housings, the number of terminals accommodated in the inner housing, and the number of terminals accommodated in the mating connector housing are not limited to those illustrated, and a vehicle to which this lever-type connector is applied It may be selected and set as appropriate according to the number of circuits.

It is a disassembled perspective view of one Embodiment of the lever-type connector of this invention. It is an external appearance perspective view in the 1st mounting position of the holder in the lever-type connector shown in FIG. It is the II sectional view taken on the line of the lever-type connector shown in FIG. It is a principal part enlarged view in the 1st mounting position of the holder shown in FIG. FIG. 3 is a cross-sectional view corresponding to a line II in which an inner housing of the lever connector shown in FIG. 2 is inserted. FIG. 3 is a cross-sectional view corresponding to the line I-I in a state where the inner housing of the lever-type connector shown in FIG. FIG. 3 is a cross-sectional view corresponding to the line I-I in the fully fitted state of the inner housing in the lever-type connector shown in FIG. 2. It is a principal part enlarged view in the 2nd mounting position of the holder shown in FIG. It is an external appearance perspective view before mounting | wearing with the other party connector of the lever-type connector housing shown in FIG. It is an external appearance perspective view at the time of mounting to the other party connector housing of the lever-type connector shown in FIG. It is a general-view figure of the conventional lever type connector.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Lever type connector 11 Connector frame 12 Lever 13 Holder 14 Inner housing 24 1st latching | locking part 25 2nd latching | locking part 27 Engagement part 32 Lever side inclined surface 35 2nd latching | locking part receiving 36 Contact for inner housing position detection Projection 37 First locking portion receiver 39 Engagement projection 40 Projection 41 Holder-side inclined surface 42 Female terminal (terminal)
50 Mating connector housing

Claims (3)

An inner housing that accommodates terminals, a connector frame into which the inner housing is inserted, and a rotationally assembled to the connector frame, the inner housing being fitted to the mating connector housing via the connector frame along with the rotation. A lever-type connector comprising a lever,
A holder that is removably assembled to the connector frame, holds the lever in a non-rotatable position according to the mounting position on the connector frame, and can detect the insertion position of the inner housing into the connector frame. A lever-type connector characterized by comprising. The holder is formed with a first locking portion receiver that is locked to a first locking portion of the connector frame, and the first locking portion receiver is locked to the first locking portion. In position, allowing insertion of the inner housing into the connector frame;
A second locking portion receiver that is locked to a second locking portion of the connector frame is formed, and at a position where the second locking portion receiver is locked to the second locking portion, The lever-type connector according to claim 1, wherein the inner housing is prevented from being pulled out from the connector frame.   The holder is formed with an inner housing position detection abutting protrusion that abuts against a protrusion of the inner housing when the inner housing is inserted into the connector frame at a midway fitting position. The lever-type connector according to claim 1 or 2.

Images