JP2010062077A - Lever fit-in connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To protect guided wires with a wire cover, shorten a length of guiding part of the wires, save space of and make compact a wire-guided side, and yet, prevent deformation, coming-off or the like of the wire cover. <P>SOLUTION: A lever 6 for fitting in a counterpart connector is provided in free rotation outside a connector housing 4, the wire cover 8 is mounted on a rear part of the connector housing inside the lever, and the wire cover is made provided with a notched opening 7 for wire guide-out consisting of a side-part opening 7a and a rear-part opening 7b, so that, at complete fitting into the counterpart connector, the lever surrounds an outer periphery of the wire cover to protect it, in the lever fit-in connector 1. A notched recess part 27 is provided at the lever 6 continuing from the rear-part opening 7b. The lever 6 is rotatable up to a position surrounding the notched opening 7. The connector housing 4 includes an inner housing 2 and an outer housing 3, the outer housing equipped with the lever 6, and the wire cover 8 mounted between the inner housing and the outer housing. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a lever-fitting connector that protects a lead-out electric wire that follows a terminal in a connector housing with a cover and fits the connector housing to a mating connector housing by rotating the lever.

  FIG. 4 shows an embodiment of a conventional lever fitting type connector (see Patent Document 1).

  This lever fitting type connector 61 includes a synthetic resin connector housing 62 and a synthetic resin lever 64 having a substantially U-shape in plan view, which is rotatably engaged with the shaft portions 63 of the left and right side walls of the connector housing 62. And a cover 65 made of synthetic resin having a substantially U-shaped vertical cross section that fits into the rear portion of the connector housing 62 and covers and protects the wire lead-out portion.

  A plurality of female terminals (not shown) are accommodated in the connector housing 62, and each electric wire (not shown) connected to each female terminal is fitted into the connector from the rear part of the connector housing 62 through the inner space of the cover 65. Derived outside in the orthogonal direction. The lever 64 has a left and right lever wall portion 66 and an operation wall portion 67 that connects both the wall portions 66, and the both lever wall portions 66 are a hole portion 68 that engages with the shaft portion 63 and a follower connector 69. A cam groove 71 for slidingly engaging the protrusion 70 and a temporary locking piece 72 for the connector housing 62 are provided.

  From the state shown in FIG. 4, the connectors 61 and 69 are initially fitted, the driven projection 70 enters the inlet of the cam groove 71, and the lever 64 is rotated counterclockwise from that state, thereby releasing the temporary locking. The cam groove 71 rotates integrally with the lever 64, the driven projection 70 enters the cam groove 71, the connectors 61 and 69 are fitted with low force, and the male and female terminals of the connectors 61 and 69 are connected. Are connected to each other, and the lever operation wall portion 67 is locked by the lock protrusion 73 of the cover 65. The connectors 61 and 69 may be referred to as a lever fitting type connector.

  FIG. 5 shows another form of a conventional lever fitting connector (see Patent Document 2).

  The lever fitting connector 74 includes a connector housing 76 that houses a plurality of female terminals (not shown) with electric wires 75 and a lever 77 that is pivotally supported by the connector housing 76.

Each electric wire 75 is led out in the direction opposite to the connector fitting (removal direction), and the lever 77 is stood up obliquely by engaging the concave portion 78 of the operation wall with the electric wire 75 in the initial state. From the state shown in FIG. 5, the mating connector 79 is initially fitted, and the lever 77 is rotated counterclockwise to the horizontal position, so that both the connectors 74 and 79 are completely fitted, and the male and female terminals in both connectors are Connected to each other. Reference numeral 80 denotes a proximal end portion of the male terminal.
Japanese Patent Laying-Open No. 2005-203163 (FIG. 4) Japanese Patent Laying-Open No. 2008-108467 (FIG. 5)

  However, in the conventional lever fitting type connector 61 of FIG. 4, since the electric wire is protected by using the cover 65, the lead-out direction of the electric wire is orthogonal to the connector fitting direction. From this state, when the wire is bent 90 ° in the direction opposite to the connector fitting on the outside of the cover 65 and pulled out, the length of the wire becomes long, the space efficiency on the wire lead-out side becomes worse, or the wire is forced to 90 °. There is a concern that the cover 65 may be detached from the connector housing 62 or deformed, or the locking portion 80 may be damaged when being bent and pulled out.

  Further, in the conventional lever fitting type connector 74 of FIG. 5, since the electric wire cover is not used, there is a concern that the lead-out electric wire 75 from the connector housing 76 may be damaged by interference with the outside depending on the mounting location. there were.

  In view of the above points, the present invention protects the lead wire from the connector housing with the wire cover, shortens the length of the lead portion of the wire, saves space and is compact on the wire lead side, and It is an object of the present invention to provide a lever fitting type connector that can surely prevent deformation or detachment of an electric wire cover.

  In order to achieve the above object, in the lever fitting type connector according to claim 1 of the present invention, a mating connector fitting lever is rotatably provided on the outer side of the connector housing, and the connector housing is provided on the inner side of the lever. An electric wire cover is attached to the rear, the electric wire cover has a cutout opening for leading out the electric wire consisting of a side opening and a rear opening, and the lever surrounds the outer periphery of the electric wire cover when completely mated with the mating connector It is characterized by protecting with.

  With the above configuration, each electric wire following each terminal in the connector housing is led out straight from the rear opening of the wire cover in the direction opposite to the connector fitting. Alternatively, it can be selectively bent from the side opening of the wire cover and bent in the connector fitting orthogonal direction. The strength of the wire cover is reduced by a large notch opening consisting of a side opening and a rear opening, but when the mating with the mating connector is completed, the lever surrounds the wire cover from the outside so that the wire cover is reinforced. Deformation such as opening from the notch opening is prevented. In addition, the electric wire cover is protected from interference with the outside by a lever.

  According to a second aspect of the present invention, there is provided the lever fitting type connector according to the first aspect, wherein a notch recess is provided in the lever that follows the rear opening.

  With the above configuration, when completely mated with the mating connector (when the lever rotation is completed), the lead-out wire from the connector housing is led out to the outside linearly through the rear opening of the wire cover and the notch recess of the lever. . The notch recess supports the electric wire and accurately defines the direction in which the electric wire is led out. It is also possible to guide the lead-out wire to the side of the connector housing through the side opening of the wire cover and the notch recess of the lever.

  A lever fitting type connector according to a third aspect is the lever fitting type connector according to the first or second aspect, wherein the lever is rotatable to a position surrounding the notch opening.

  With the configuration described above, the electric wire cover whose strength is weakened by the large notch opening is surrounded by the lever along the notch opening, so that the opening deformation of the electric wire cover from the notch opening is reliably prevented.

  A lever fitting type connector according to a fourth aspect is the lever fitting type connector according to any one of the first to third aspects, wherein the connector housing includes an inner housing and an outer housing, and the lever is provided in the outer housing. The electric wire cover is mounted between the inner housing and the outer housing.

  With the above configuration, after the electric wire cover is assembled in the connector housing, the electric wire cover is surrounded by the lever on the inner side of the lever by assembling the lever to the outer housing so as to be rotatable.

  According to the first aspect of the present invention, the length of the lead-out electric wire is shortened by leading the electric wire straight out from the rear opening of the electric wire cover, and the structure on the electric wire lead-out side of the connector is compact and space-saving. It becomes. Moreover, it becomes possible to cope with the diversification of the direction of the electric wire from the connector by selectively leading the electric wire from either the rear opening or the side opening of the electric wire cover. In addition, the lever surrounds the wire cover whose strength has been reduced due to the notch opening, preventing the wire cover from being deformed open from the notch opening due to pulling or bending of the lead-out wire, and the connector housing from being detached or damaged. The reliability of electrical connection is improved.

  According to invention of Claim 2, the notch recessed part of a lever supports the electric wire led out from the rear part opening or side part opening of an electric wire cover stably, and the direction of electric wire extraction is in any one of two directions Can be selectively and accurately defined.

  According to the invention described in claim 3, by directly surrounding the notch opening of the electric wire cover with the lever, the electric wire cover is further reinforced, and problems such as opening deformation from the notch opening and disconnection of the electric wire cover are more reliably prevented. Is done.

  According to the fourth aspect of the present invention, the assembly of the lever fitting connector can be improved because the wire cover and the lever can be smoothly and easily assembled to the connector housing.

  1 to 3 show an embodiment of a lever fitting connector according to the present invention.

  As shown in FIG. 1, the lever fitting type connector 1 is rotatably engaged with a synthetic resin connector housing 4 including an inner housing 2 and an outer housing (hood portion) 3, and a shaft portion 5 of the outer housing 3. The synthetic resin lever 6 is fitted between the outer housing 3 and the inner housing 2, has a large cutout opening 7 for leading out the electric wire, and is completely fitted with a mating connector (not shown) ( In the rotating state of the lever 6 in FIG. 1, a synthetic resin wire cover 8 is provided that is protected by surrounding the periphery (outside) with the lever 6.

  The inner housing 2 has a plurality of terminal accommodating chambers 9 and is integrally connected to the outer housing 3 by a plurality of ribs 10 (FIG. 2) on the outer surface. A connector housing of a mating connector (not shown) is inserted and fitted into the rectangular annular gap 11 (FIG. 2) between the inner housing 2 and the outer housing 3 from the front end side. Within the gap 11, the cover 8 and the mating connector housing are located on substantially the same plane. Each terminal accommodating chamber 9 accommodates and locks each female terminal (not shown) with an electric wire 12 (FIG. 3).

  In FIG. 1, a shaft portion 5 is provided so as to protrude from the inner housing 2 substantially at the center of the wide upper and lower wall portions 13, 14 of the outer housing 3, and on the front side of the shaft portion 5, A straight slit hole 15 in the connector fitting direction for entering and engaging a driven projection (not shown) of the housing is provided. The slit hole 15 is opened at the front end of the outer housing 3, and a reinforcing rib 16 is provided outside the opening. Stopper projections 17 and 18 for restricting the rotation angle of the lever 6 are provided at the left and right ends of the rear portions of the wall portions 13 and 14. Note that the front / rear / up / down / left / right directions are for convenience of explanation, and do not limit the mounting direction or the like of the connector 1.

  The lever 6 protrudes in a plate shape on the same surface from the outer periphery of the pair of upper and lower disk-shaped wall portions 19 along the outer surfaces of the upper and lower wall portions 13 and 14 of the outer housing 3 and the disk-shaped wall portions 19. A pair of upper and lower intermediate walls 20 facing each other and a plate-like operation wall 21 connecting the both intermediate walls 20 are provided, and a cam hole (cam portion) 22 is provided in the disk-like wall portion 19. The starting end opens to the outer peripheral surface, and the opening 22 a is reinforced by the outer rib plate 23. A central hole portion of the disk-shaped wall portion 19 is rotatably engaged with the shaft portion 5, and the cam hole 22 is positioned so as to intersect (communicate with) the slit hole 15 of the inner outer housing 3.

  FIG. 1 (FIGS. 2 and 3) shows a state in which the lever 6 is rotated clockwise, and the tip opening 22a of the cam hole 22 is located in the direction of approximately 90 ° from the slit hole 15, and The wall 20 is located on the outside near the center of the upper and lower wall portions 24, 25 of the cover 8 (located close to the outer surface of each wall portion 24, 25), and the connecting wall 21 of the lever 6 is the cover 8. It is located outside the rear wall 26 on the rear end side (positioned close to the outer surface of the wall 26). Since the intermediate wall 20 and the operation wall 21 of the lever 6 are positioned close to the outer surface of the cover 8, the lever 6 having a large notch opening 7 and having a reduced strength is reinforced and protected.

  The connecting wall 21 of the lever 6 has an arc-shaped cutout recess (finger hook portion) 27 communicating with the cutout opening 7 of the cover 8 at the center of the end portion in the rotational direction. The notch opening 7 of the cover 8 is configured to communicate in an L shape in two directions with a left side opening 7a and a rear rear opening 7b in FIG. The side opening 7 a exposes the left wall 28 of the inner housing 2 in the gap 11.

  The cover 8 includes upper and lower parallel wall portions 24, 25, a rear (right half side) wall portion 26 connecting the both wall portions 24, 25, a left half side rear opening 7b, and a side opening. 7a and a right wall 30 that intersects the inclined portion 26a of the rear wall 26 and continues. The upper and lower wall portions 24, 25 have slit-like holes 32 that engage with the engaging portions 31 on the outer surface of the inner housing 2. Further, the locking portion 34 (FIG. 2) of the extension wall 33 of the outer housing 3 is engaged with the grooves 35 (FIG. 2) of the upper and lower wall portions 24 and 25 of the cover 8. The side opening 7a continues to the front ends of the upper and lower wall portions 24, 25, and the left ends of the upper and lower wall portions 24, 25 are positioned substantially flush with the outer surface of the left wall portion 28 of the inner housing 2 as shown in FIG. Yes.

  The cover 8 is easily opened and deformed outward (up and down) by the large notch opening 7, but the notch opening 7 of the cover 8 or its vicinity is formed in a U-shape by the upper and lower intermediate walls 20 and the rear operation wall 21 of the lever 6. By encircling them, deformation such as opening of the cover 8 is prevented. Further, since the notch recess 27 of the operation wall 21 of the lever 6 communicates with the rear opening 7b of the cover 8, the electric wire 12 (FIG. 3) can be smoothly led out.

  As shown in FIG. 3, each electric wire 12 is led out from the rear opening of each terminal accommodating chamber 9 of the inner housing 2, and passes through the rear opening 7 b of the cover 8 and the notch recess 27 of the lever 6 in the opposite direction of connector fitting (rear). Is derived straight. In this way, the electric wires (wire harnesses) 12 are led out straight without being bent, so that the structure on the electric wire outlet side is made compact and space-saving.

  Since the inner housing 2 of the present example is horizontally long, each electric wire 12 led out from the terminal housing chamber 9 on the right half side is bent to the left and then bent backward to pass rearward through the rear opening 7b and the notch recess 27. It is derived straight. Each electric wire 12 on the right half side smoothly bends to the left along the inner surface of the inclined rear wall portion 26 of the cover 8 (inside the rear wall portion 26).

  In FIG. 3, the connector 1 is completely fitted with a mating connector (not shown), and a female terminal (not shown) in the inner housing 2 is connected to a male terminal (not shown) in the mating connector. The lever 6 can be further rotated until the left end of the intermediate wall 20 abuts against the stopper protrusion 17 at the left end of the outer housing 3, during which the cam hole 22 of the lever 6 is a driven protrusion (not shown) of the mating connector. Is held in the same position without being pulled in the connector fitting direction (the distance from the shaft portion 5 to the cam hole 22 is constant on the terminal end 22b side of the cam hole 22).

  The lead-out direction of the electric wire 12 can be selectively changed by bending the lead-out electric wire 12 to the left while rotating the lever 6 clockwise from the state of FIG. 12 can be appropriately selected to be derived backward or to the left). By rotating the lever 6 to the stopper 17, the notch opening 7 of the cover 8 is almost completely covered (enclosed) by the lever 6, and even when a pulling force or the like in the vertical direction acts on the lead-out wire 12, Opening deformation or the like of the cover 8 is prevented more reliably.

  By rotating the lever 6 counterclockwise from the connector fitting state of FIG. 3 to the stopper projection 18 at the right end, the driven projection of the mating connector moves from the terminal end 22b of the cam hole 22 to the starting end 22a (the outer housing 3 The slit hole 15 (moved from the rear end to the front end) (FIG. 1)) releases the fitting of the connector 1 (connection of both male and female terminals).

  In the above embodiment, the connector housing 4 is configured by the inner housing 2 and the outer housing 3. However, in the connector housing including only the inner housing 2 without the outer housing (hood portion) 3, It is possible to pivotally support the lever 6 and to attach the cover 8 inside the lever.

  Similarly, a connector housing is used in which the inner housing 3 is not provided and a portion for accommodating a male terminal with an electric wire is integrally provided inside the outer housing 3 without a gap 11, and the lever 6 is rotated outside the connector housing. It is possible to pivotally support and attach the wire cover 8 to the inside.

It is a perspective view showing one embodiment of a lever fitting type connector concerning the present invention. It is a top view which similarly shows a lever fitting type connector. It is a perspective view which shows the state which led out the electric wire from the connector similarly. It is a longitudinal cross-sectional view which shows one form of the conventional lever fitting type connector. It is a front view which shows the other form of the conventional lever fitting type connector.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lever fitting type connector 2 Inner housing 3 Outer housing 4 Connector housing 6 Lever 7 Notch opening 7a Side part opening 7b Rear part opening 8 Electric wire cover 27 Notch recessed part

Claims (4)

  A lever for mating the mating connector is rotatably provided on the outside of the connector housing, and an electric wire cover is attached to the rear portion of the connector housing inside the lever, and the electric wire cover is composed of a side opening and a rear opening. A lever fitting type connector having a lead-out notch opening, wherein the lever surrounds and protects the outer periphery of the electric wire cover when completely mated with the mating connector.   The lever fitting type connector according to claim 1, wherein the lever has a notch recess that follows the rear opening.   The lever fitting type connector according to claim 1 or 2, wherein the lever is rotatable to a position surrounding the notch opening.   The connector housing is composed of an inner housing and an outer housing, the lever is provided on the outer housing, and the wire cover is mounted between the inner housing and the outer housing. 4. The lever fitting type connector according to any one of 3 above.

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