WO2022113700A1

WO2022113700A1 - Wiring cover and connector equipped with wiring cover

Info

Publication number: WO2022113700A1
Application number: PCT/JP2021/040785
Authority: WO
Inventors: 優宏的場
Original assignee: 住友電装株式会社
Priority date: 2020-11-24
Filing date: 2021-11-05
Publication date: 2022-06-02
Also published as: JP7445206B2; JP2022083157A

Abstract

A wiring cover 14 is attached to a connector housing which engages a counterpart connector and from which wiring 20 is led out, the cover having a wall section that covers at least a portion of the wiring 20, wherein: the wall section has a relief recess 51 that prevents interference with a CPA member 15 which ensures the engagement location of the connector housing and the counterpart connector, and two first ribs 52 that extend along the lead-out direction in which the wiring 20 is led out; and the two first ribs 52 are provided to both side edges, of the relief recess 51, in an intersecting direction that intersects the lead-out direction.

Description

Wire cover and connector with wire cover

This disclosure relates to a wire cover and a connector with a wire cover.

Japanese Unexamined Patent Publication No. 2004-127913 (Patent Document 1) is known as a connector provided with an electric wire cover that covers an electric wire derived from a connector housing. The connector housing is designed to be fitted with the mating connector. An electric wire is led out from the rear surface of the connector housing. A wire cover that covers the wires is attached to the rear end of the connector housing. On the upper surface of the connector housing, a lock arm for locking the mating state with the mating connector is provided.

Japanese Unexamined Patent Publication No. 2004-127913

When adding a mechanism for guaranteeing the fitting position between the connector housing and the mating connector to the above configuration, it is necessary to provide a CPA (fitting position guarantee) member that engages with the lock arm in the connector housing. Therefore, it is conceivable that the electric wire cover is provided with a recess at a position behind the lock arm to avoid interference with the CPA member.

The CPA member has a fitting guarantee position that guarantees the fitting state between the connector housing and the mating connector by engaging with the lock arm, and the connector housing by the lock arm and the mating connector by separating from the lock arm. It is required to be able to move between the release position where the locked state can be released. Therefore, it is conceivable that the electric wire cover is further provided with a space in which the CPA member can move between the fitting guarantee position and the release position.

As described above, when the electric wire cover is provided with a space for attaching the CPA member to the connector housing, and further, a space where the CPA member can move between the fitting guarantee position and the release position is provided, the CPA member and the CPA member are provided. There is a concern that the strength of the wire cover will decrease due to the increase in the area for avoiding interference.

The present disclosure has been completed based on the above circumstances, and an object thereof is to improve the strength of the electric wire cover and to secure the moving range of the CPA.

The present disclosure is an electric wire cover attached to a connector housing from which an electric wire is drawn out while mating with a mating connector, and has a wall portion covering at least a part of the electric wire, and the wall portion is the same as the connector housing. It has a CPA member that guarantees a mating position with the mating connector, a relief recess for avoiding interference, and two first ribs extending along a lead-out direction from which the electric wire is led out, and the two first ribs. Are provided on both side edges of the relief recess in the intersecting direction intersecting the lead-out direction.

According to the present disclosure, the strength of the electric wire cover can be improved and the movement range of the CPA can be secured.

FIG. 1 is a cross-sectional view showing a state in which the female connector and the male connector are completely fitted and the CPA member is held at the main locking position in the connector according to the first embodiment. FIG. 2 is a perspective view showing a female connector in a state where the CPA member is held at the main locking position. FIG. 3 is a rear view showing the female connector housing. FIG. 4 is a perspective view from below showing the female connector housing. FIG. 5 is a bottom view showing the female connector housing. FIG. 6 is a perspective view showing a CPA member. FIG. 7 is a perspective view showing the lower cover. FIG. 8 is a plan view showing the lower cover. FIG. 9 is a plan view showing the upper cover. FIG. 10 is a perspective view from below showing the upper cover. FIG. 11 is a perspective view from above showing the upper cover. FIG. 12 is a perspective view showing a female connector in a state where the CPA member is held in the temporary locking position. FIG. 13 is a front view showing the upper cover. FIG. 14 is a perspective view showing a process of assembling the upper cover to the female connector housing. FIG. 15 is a perspective view showing a state in which the upper cover is assembled to the female connector housing. FIG. 16 is a perspective view showing a process of assembling the lower cover to the upper cover. FIG. 17 is a cross-sectional view showing a process of fitting a female connector and a male connector. FIG. 18 is a cross-sectional view showing a state in which the female connector and the male connector are completely fitted and the CPA member is movable from the temporary locking position to the main locking position. FIG. 19 is a cross-sectional view showing a state in which the female connector and the male connector are incompletely fitted.

[Explanation of Embodiments of the present disclosure]
First, embodiments of the present disclosure will be listed and described.

(1) The present disclosure is an electric wire cover attached to a connector housing to which an electric wire is drawn out while being fitted with a mating connector, and has a wall portion covering at least a part of the electric wire, and the wall portion is said to have the above-mentioned wall portion. It has a CPA member that guarantees a fitting position between the connector housing and the mating connector, a relief recess for avoiding interference, and two first ribs extending along a lead-out direction from which the electric wire is led out. The first ribs are provided on both side edges of the relief recess in the intersecting direction intersecting the lead-out direction.

Since the strength of the wall portion is improved by providing the two first ribs, it is possible to suppress the decrease in the strength of the electric wire cover even when the relief recess is provided.

(2) In the electric wire cover according to (1) above, each of the two first ribs is provided with a second rib that protrudes in the crossing direction and extends along the lead-out direction. It is preferable to have.

Since the first rib is reinforced by the second rib, the strength of the wire cover can be further improved.

(3) The electric wire cover according to (2) above, at least one of the first rib and the second rib, at a position closer to the rear end in the lead-out direction, before projecting in the crossing direction. It is preferable that the stop rib is provided so that the front stop rib comes into contact with the connector housing from the rear in the lead-out direction.

The front stop rib comes into contact with the connector housing from the rear, so that the wire cover is held in the connector housing in the front stop state.

(4) In the electric wire cover according to (2) or (3) above, it is preferable that the second ribs provided on each of the two first ribs project in a direction approaching each other.

The wire cover can be made smaller than when each second rib protrudes in the direction away from each other.

(5) The electric wire cover according to any one of (2) to (4), wherein the second rib protrudes from the second rib and extends along the lead-out direction. It is preferable that the sliding contact portion is in sliding contact with the connector housing.

The wire cover can be easily attached to the connector housing by sliding the sliding contact portion and the connector housing. This makes it possible to improve the efficiency of the work of assembling the electric wire cover to the connector housing. Further, since the sliding contact portion extends along the lead-out direction, it is possible to prevent the electric wire cover from being displaced in the crossing direction.

(6) The electric wire cover according to (5) above, wherein the sliding contact portion has a base portion connected to the second rib and an end portion located on the opposite side to the second rib. With respect to the crossing direction, the width dimension of the end portion is set to be larger than the width dimension of the base portion, and the connector housing has a sliding contact groove having a cross-sectional shape corresponding to the sliding contact portion in the lead-out direction. It is preferable that it extends along.

Since the sliding contact part fits into the sliding contact groove of the connector housing, the wire cover does not easily come off from the connector housing.

(7) The electric wire cover according to any one of (1) to (6) above, comprising a lower cover and an upper cover to be assembled to the lower cover, and the upper cover has the first rib. Is preferable.

Since the electric wire can be accommodated so as to be sandwiched between the lower cover and the upper cover, the efficiency of the work of accommodating the electric wire in the electric wire cover can be improved.

(8) The electric wire cover according to any one of (2) to (6) above, comprising a lower cover and an upper cover to be assembled to the lower cover, wherein the upper cover has the first rib and the upper cover. It is preferable to have the second rib.

Since the upper cover has the second rib, the strength of the upper cover is further improved, so that the strength of the electric wire cover can be further improved.

(9) A connector with an electric wire cover comprising the electric wire cover according to any one of (1) to (8) above and a connector housing to which the electric wire cover is attached. It has a lock arm that engages with the mating connector, and also has a CPA member that engages with the lock arm to guarantee a mating position with the mating connector.

[Details of Embodiments of the present disclosure]
Hereinafter, embodiments of the present disclosure will be described. The present disclosure is not limited to these examples, but is shown by the scope of claims and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

<Embodiment 1>
The first embodiment of the present disclosure will be described with reference to FIGS. 1 to 19. The connector 10 according to the present embodiment includes a female connector 11 (an example of a connector with a wire cover) and a male connector 12 (an example of a mating connector) that fits with the female connector 11. The female connector 11 includes a female connector housing 13 (an example of a connector housing), an electric wire cover 14 attached to the female connector housing 13, and a CPA (Connector Position Access) member 15. In the following description, the direction indicated by the arrow Z will be upward, the direction indicated by the arrow Y will be forward, and the direction indicated by the arrow X will be left. In addition, about a plurality of members, a reference numeral may be attached only to a part of the members, and the reference numeral may be omitted for other members.

[Male connector 12]
As shown in FIG. 1, the male connector 12 is formed by injection molding an insulating synthetic resin material. The male connector 12 has a hood portion 16 that opens rearward. A female connector 11, which will be described later, is fitted into the hood portion 16 from the rear. In the present embodiment, the front-rear direction is the mating direction between the male connector 12 and the female connector 11. A plate-shaped male terminal 17 extending in the front-rear direction is arranged on the front wall of the hood portion 16. The rear end portion of the male terminal 17 is located inside the hood portion 16.

The upper wall of the hood portion 16 is provided with a lock hole 18 that penetrates the upper wall in the vertical direction at a position closer to the rear end portion. Inside the lock hole 18, the lock claw 19 of the female connector 11, which will be described later, is inserted from below. The lock claw 19 inserted into the lock hole 18 abuts on the inner wall of the lock hole 18 from the front, so that the male connector 12 is restricted from moving forward.

[Female connector 11]
As shown in FIG. 2, the female connector 11 includes a female connector housing 13, a wire cover 14 attached to a rear end portion of the female connector housing 13, and a CPA member 15. From the rear end of the female connector housing 13, a plurality of (four in this embodiment) electric wires 20 are led out to the rear (an example in the lead-out direction of the electric wires 20).

As shown in FIG. 3, the female connector housing 13 is formed by injection molding an insulating synthetic resin material. A plurality of cavities 21 penetrating in the front-rear direction (four in the present embodiment) are formed side by side at intervals in the left-right direction (an example of the crossing direction). As shown in FIG. 1, a female terminal fitting 22 connected to the front end portion of the electric wire 20 is housed in each cavity 21. A front mask 23 is attached to the front end of the female connector housing 13. An opening 24 communicating with the cavity 21 of the female connector housing 13 is formed in the front wall of the front mask 23 so as to penetrate in the front-rear direction.

As shown in FIG. 1, the female terminal fitting 22 has a connection cylinder portion 25, a wire barrel 26 extending rearward of the connection cylinder portion 25, and an insulation barrel 27 extending rearward of the wire barrel portion 26. An elastic contact piece (not shown) is provided in the connecting cylinder portion 25. The male terminal 17 is inserted into the connection cylinder portion 25 from the front. The male terminal 17 inserted into the connection cylinder portion 25 comes into contact with the elastic contact piece, so that the male terminal 17 and the female terminal are electrically connected. The female terminal fitting 22 is engaged with the front end portion of the lance 31 extending forward from the inner wall of the cavity 21 to the hole edge portion of the locking hole 30 provided on the upper wall of the connection cylinder portion 25. Is held in the cavity 21 in a post-stopped state.

The electric wire 20 has a core wire 28 formed by twisting fine metal wires, and an insulating coating 29 made of an insulating synthetic resin surrounding the outer periphery of the core wire 28. The wire barrel 26 is crimped from the outside to the core wire 28 exposed from the front end portion of the insulating coating 29. The insulation barrel 27 is crimped to the insulating coating 29 from the outside. As a result, the electric wire 20 and the female terminal fitting 22 are electrically connected and physically connected.

As shown in FIGS. 4 and 5, the lower wall of the female connector housing 13 is formed with a rear stop engaging portion 59 that protrudes to the left and to the right, respectively, at positions near the rear end. ..

As shown in FIG. 1, a lock arm 32 extending rearward from the front end portion is provided on the upper surface of the upper wall of the female connector housing 13. On the upper surface of the lock arm 32, a lock claw 19 protruding upward is provided near the center in the front-rear direction. An operation portion 33 for an operator to operate the lock arm 32 is formed at the rear end portion of the lock arm 32.

An engaging recess 34 recessed upward is formed on the lower side of the lock claw 19. The engaging recess 34 and the position-guaranteed engaging portion 36 of the elastic engaging portion 35 of the CPA member 15, which will be described later, are engaged with each other. The lock arm 32 is formed so as to be elastically deformable in the vertical direction with the front end as a fulcrum. As a result, for example, the operation unit 33 can be elastically deformed downward by being pressed downward by the operator.

As shown in FIG. 2, a protective portion 37 that surrounds the lock arm 32 from the left, right, and above is provided at a position near the rear end of the female connector housing 13. The protective portion 37 prevents the lock arm 32 from interfering with foreign matter.

As shown in FIG. 3, a CPA member accommodating portion 38 is formed at the rear end portion of the female connector housing 13 so as to open rearward and accommodate the CPA member 15. The CPA member 15 is housed in the CPA member accommodating portion 38 in a state of being movable in the front-rear direction.

[CPA member 15]
As shown in FIG. 6, the CPA member 15 is formed by injection molding an insulating synthetic resin material. The CPA member 15 includes a grip portion 39 extending in the left-right direction, a right arm portion 40 extending forward from the right end portion of the grip portion 39, a left arm portion 41 extending forward from the left end portion of the grip portion 39, and left and right of the grip portions 39. It has an elastic engaging portion 35 extending forward from the vicinity of the central position in the direction.

The length dimension of the knob portion 39 in the left-right direction is the same as or slightly smaller than the transfer dimension of the CPA member accommodating portion 38 in the left-right direction. The knob portion 39 is formed in a plate shape that extends in the left-right direction and protrudes upward. The operator can move the CPA member 15 forward by pushing the grip portion 39 from the rear, and the worker pushes the front surface of the grip portion 39 backward to push the CPA member 15 backward. It can be moved to.

The right arm portion 40 and the left arm portion 41 are set to have the same length of protrusion forward from the knob portion 39. The protrusion length dimension of the elastic engaging portion 35 forward from the knob portion 39 is set to be larger than the protrusion length dimension of the right arm portion 40 and the left arm portion 41.

Although not shown in detail, the CPA member 15 is temporarily locked to the right arm portion 40 and the left arm portion 41 by engaging with an engaging portion provided on the inner wall surface of the CPA member accommodating portion 38. , An engagement receiving portion that can be held at the main locking position is provided.

The elastic engaging portion 35 is formed so as to extend slightly diagonally forward and upward. The elastic engaging portion 35 is formed in the shape of an elongated plate and can be elastically deformed in the vertical direction.

The front end of the elastic engaging portion 35 is provided with a front stop engaging portion 42 that engages from the rear with the lower end of the lock claw 19 of the lock arm 32. The front stop engaging portion 42 is formed in a concave shape notched rearward. Above the front stop engaging portion 42, a position guarantee engaging portion 36 that engages with the inner wall of the engaging recess 34 of the lock arm 32 from below is formed (see FIGS. 1 and 6). The position guarantee engaging portion 36 is formed following the shape of the inner wall of the engaging recess 34.

[Electric wire cover 14]
As shown in FIG. 2, the electric wire cover 14 is made of synthetic resin, and the lower cover 43 divided in two and the upper cover 44 are integrally assembled. When the lower cover 43 and the upper cover 44 are properly combined, they form an L-shaped square cylinder with an outer shape such that the outside of the bent portion is sloped, and the wide side of the opening at one end is attached to the female connector 11. It has become like. The electric wire 20 is led out to the outside from the narrow side of the opening at the other end of the electric wire cover 14.

[Lower cover 43]
As shown in FIGS. 7 and 8, the lower cover 43 is formed so that the side wall 46 extends upward from the lateral line of the bottom wall 45. Of the lower cover 43, the side wall 46 is not provided on the side edge from which the electric wire 20 is drawn into the electric wire cover 14 and the side edge from which the electric wire 20 is led out from the electric wire cover 14.

The bottom wall 45 of the lower cover 43 has a rear stop recess that engages with the rear stop engagement portion 59 provided at the lower end of the female connector housing 13 at a position near the side edge where the electric wire 20 is drawn into the wire cover 14. 60 is formed by being recessed in the left-right direction. The rear stop engaging portion 59 and the rear stop recess 60 are unevenly fitted so that the wire cover 14 is held by the female connector housing 13 in the rear stop state.

[Upper cover 44]
As shown in FIGS. 9 and 10, the upper cover 44 has an upper wall 47 (an example of a wall portion) having a shape substantially symmetrical with the bottom wall 45 of the lower cover 43 described above. The upper cover 44 is formed with a side wall 48 extending downward from the side edge of the upper wall 47. As shown in FIG. 10, side walls 48 are provided on the side edge of the upper cover 44 from which the electric wire 20 is drawn into the electric wire cover 14 and the side edge from which the electric wire 20 is led out from the electric wire cover 14. Not.

As shown in FIG. 8, a plurality of (four in this embodiment) lock protrusions 49 are formed on the outer surface of the side wall 46 of the lower cover 43. Specifically, of the lower cover 43, the outer surface of both side walls 46 on the side where the electric wire 20 is drawn into the lower cover 43, the outer surface of the side wall 46 on the side where the electric wire 20 is led out from the lower cover 43, and the rear portion of the lower cover 43. A lock protrusion 49 is formed on an outer surface in the vicinity of a portion of the side wall 46 provided in the above where the electric wire 20 is led out to the outside.

As shown in FIG. 9, on the side wall 48 of the upper cover 44, a plurality of (four in this embodiment) lock receiving portions 50 elastically engaged with the lock protrusions 49 at positions corresponding to the lower cover 43. Is formed. Specifically, of the upper cover 44, the outer surface of the side wall 48 on the side where the electric wire 20 is drawn into the upper cover 44 and the outer surface of the side wall 48 on the side where the electric wire 20 is led out from the upper cover 44. A lock receiving portion 50 is provided on the outer surface of the side wall 48 provided at the rear of the upper cover 44 in the vicinity of the portion where the electric wire 20 is led out to the outside. As shown in FIG. 11, the lock receiving portion 50 has a C shape, and the lock protruding portion 49 is fitted in the space surrounded by the lock receiving portion 50 and the upper cover 44.

As shown in FIG. 11, the upper wall 47 of the upper cover 44 is provided with a relief recess 51 formed by denting the side edge on the side where the electric wire 20 is drawn into the upper cover 44 rearward. Two first ribs 52 extending forward are provided on both left and right edges of the relief recess 51, respectively. The first rib 52 has a flat plate shape in the left-right direction. The upper end portion of the first rib 52 is formed so as to project upward from the upper surface of the upper wall 47. The lock receiving portion 50 described above is formed on the outer surface of the first rib 52.

When the upper cover 44 is attached to the female connector housing 13, the wall surfaces of the first ribs 52 facing each other are in sliding contact with the outer surface of the female connector housing 13 in the left-right direction.

As shown in FIG. 12, the CPA member 15 is located in the area surrounded by the relief recess 51 and the two first ribs 52. As described above, the CPA member 15 is movable in the front-rear direction, and when the CPA member 15 moves rearward, the CPA member 15 is positioned in the relief recess 51. As a result, interference between the CPA member 15 and the upper cover 44 is suppressed.

As shown in FIG. 13, at the lower end of each first rib 52, two second ribs 53 are formed along the left-right direction and protruding in the direction of approaching each other. The second rib 53 is formed so as to extend in the front-rear direction. The front end portion of the first rib 52 and the front end portion of the second rib 53 are formed flush with each other. When viewed from the front, the first rib 52 and the second rib 53 have an L-shape.

As shown in FIG. 13, on the upper surface of each second rib 53, a sliding contact portion 54 that protrudes upward and extends in the front-rear direction is formed. As shown in FIGS. 9 and 10, the front end portion of the sliding contact portion 54 is formed so as to be located slightly rearward from the front end portion of the second rib 53. The rear end portion of the sliding contact portion 54 is formed so as to be located slightly forward from the rear end portion of the second rib 53, and is integrated with the front stop rib 55 described later.

As shown in FIG. 13, the sliding contact portion 54 is formed so as to become wider in the left-right direction from the lower end to the upper end. As a result, the sliding contact portion 54 has a substantially trapezoidal shape in which the width dimension of the upper end portion 57 (an example of the end portion) is larger than the width dimension of the lower end portion 56 (an example of the base portion) when viewed from the front-rear direction. .. Each sliding contact portion 54 is formed in a substantially trapezoidal shape that is symmetrical when viewed from the front-rear direction.

As shown in FIG. 3, two sliding contact grooves 58 extending in the front-rear direction are formed in an upward recess on the outer surface of the female connector housing 13. The sliding contact groove 58 is formed so as to open rearward. The inner shape of the sliding contact groove 58 is formed into a substantially trapezoidal shape when viewed from the front-rear direction. In the left-right direction, the width dimension of the lower end portion of the sliding contact groove 58 is set smaller than the width dimension of the upper end portion of the sliding contact groove 58. The inner shape of the sliding contact groove 58 seen from the front-rear direction is set to be the same as or slightly larger than the outer shape of the sliding contact portion 54 seen from the front-rear direction. As a result, the sliding contact portion 54 can be inserted into the sliding contact groove 58 from the rear.

As shown in FIGS. 9 and 10, both the rear end portion of the first rib 52 and the rear end portion of the second rib 53 are formed with front stop ribs 55 protruding in the left-right direction. The front stop rib 55 is formed on the first rib 52 and the second rib 53 located on the right side, and is also formed on the first rib 52 and the second rib 53 located on the left side. Each front stop rib 55 projects in a direction approaching each other in the left-right direction. The front stop rib 55 is continuously formed in an L shape when viewed from the front-rear direction.

As shown in FIG. 13, the upward protrusion dimension of the sliding contact portion 54 from the upper surface of the second rib 53 is larger than the upward protrusion dimension of the front stop rib 55 from the upper surface of the second rib 53. It is set small.

[Assembly process of connector 10]
Subsequently, an example of the assembly process of the connector 10 according to the present embodiment will be described. The assembly process of the connector 10 is not limited to the following description.

The male connector 12 is formed by assembling the male terminal 17 by press fitting. Further, the male connector 12 may be formed by insert molding or molding the male terminal 17 with an insulating synthetic resin material.

The female connector housing 13 is formed into a predetermined shape by injection molding an insulating synthetic resin material.

The core wire 28 is exposed by peeling the insulating coating 29 at the front end portion of the electric wire 20. The wire barrel 26 is crimped to the core wire 28 of the electric wire 20, and the insulation barrel 27 is crimped to the insulating coating 29. As a result, the female terminal fitting 22 is connected to the front end of the electric wire 20.

The female terminal fitting 22 is inserted from the rear into each cavity 21 formed in the female connector housing 13. By elastically engaging the lance 31 to the female terminal fitting 22 from the rear, the female terminal fitting 22 is held in the cavity 21 in a state of being prevented from coming off rearward. The electric wire 20 is led out rearward from the rear end portion of the female connector housing 13.

The CPA member 15 is assembled in advance in the CPA member accommodating portion 38 of the female connector housing 13. At this time, the CPA member 15 is held in the temporary locking position in the CPA member accommodating portion 38.

As shown in FIG. 14, the upper cover 44 is assembled to the female connector housing 13 from the rear (from the direction indicated by the arrow A). The front end portion of the first rib 52 of the upper cover 44 is slidably contacted with the rear end portion of the outer wall of the female connector housing 13 from the rear. As a result, the upper cover 44 is guided to the regular assembly position with respect to the female connector housing 13.

When the upper cover 44 is further pushed forward, the front end portion of the sliding contact portion 54 is inserted from the rear into the rear end portion of the sliding contact groove 58 of the female connector housing 13. As a result, the upper cover 44 is held downward with respect to the female connector housing 13 in a retaining state.

When the upper cover 44 is further pushed forward, the front stop rib 55 is brought into contact with the rear end portion of the female connector housing 13 from the rear. As a result, the upper cover 44 is held in a front-stopped state with respect to the female connector housing 13 (see FIG. 15).

Subsequently, as shown in FIG. 16, the lower cover 43 is assembled to the upper cover 44 from below (from the direction indicated by the arrow line B). The lower cover 43 and the upper cover 44 are integrally assembled by elastically engaging the lock protrusion 49 of the lower cover 43 and the lock receiving portion 50 of the upper cover 44. The electric wire 20 led out rearward from the rear end portion of the female connector housing 13 is bent to the right inside the electric wire cover 14, and is pulled out to the right from the right end portion of the electric wire cover 14. The rear stop engaging portion 59 of the female connector housing 13 is unevenly fitted with the rear stop recess 60 of the lower cover 43, so that the electric wire cover 14 is integrally assembled to the rear end portion of the female connector housing 13.

As shown in FIG. 17, the male connector 12 is assembled to the female connector housing 13 from the front (from the direction indicated by the arrow C) in a posture in which the hood portion 16 opens to the rear. When the female connector housing 13 is fitted into the hood portion 16, the upper wall of the hood portion 16 comes into contact with the lock arm 32 from above. Then, the upper wall of the hood portion 16 presses the lock arm 32 downward, so that the lock arm 32 bends downward and deforms. Further, when the male connector 12 is pushed backward, the lock arm 32 is restored and deformed, and the lock claw 19 of the lock arm 32 is fitted into the lock hole 18 of the hood portion 16. As a result, the male connector 12 and the female connector 11 are held in a retaining state (see FIG. 18).

In the state shown in FIG. 18, the grip portion 39 of the CPA member 15 is pressed from the rear, so that the CPA member 15 is moved forward from the temporary locking position toward the main locking position. Further, when the CPA member 15 is pushed forward, the CPA member 15 is held in the main locking position. Then, as shown in FIG. 1, the position-guaranteed engaging portion 36 of the elastic engaging portion 35 of the CPA member 15 comes into contact with the inner wall of the engaging recess 34 of the lock arm 32 from below. As a result, the lock arm 32 is prevented from bending and deforming downward, so that the fitting position between the male connector 12 and the female connector 11 is guaranteed.

As shown in FIG. 19, when the male connector 12 and the female connector 11 are not properly fitted, the rear end portion of the rocker arm abuts on the front stop engaging portion 42 of the CPA member 15 from the front. ing. As a result, the CPA member 15 cannot move forward from the temporary locking position. As a result, it is possible to detect an incomplete fitting state between the male connector 12 and the female connector 11.

[Action and effect of the embodiment]
Subsequently, the action and effect of this embodiment will be described. The present embodiment is a wire cover 14 attached to a female connector housing 13 that fits with the male connector 12 and from which the wire 20 is led out, and has an upper wall 47 that covers at least a part of the wire 20 and has an upper wall. 47 is a CPA member 15 that guarantees a fitting position between the female connector housing 13 and the male connector 12, an escape recess 51 that avoids interference, and two second portions that extend in the front-rear direction (the lead-out direction from which the electric wire 20 is led out). It has one rib 52, and two first ribs 52 are provided on both side edges of the relief recess 51 in the left-right direction (intersection direction intersecting the lead-out direction).

Further, the female connector 11 according to the present embodiment is a female connector 11 including a wire cover 14 and a female connector housing 13 to which the wire cover 14 is attached, and the female connector housing 13 is a male connector 12. It has a locking arm 32 that locks, and also has a CPA member 15 that engages with the lock arm 32 to ensure a mating position with the male connector 12.

Since the strength of the upper wall 47 is improved by providing the two first ribs 52, it is possible to suppress the decrease in the strength of the electric wire cover 14 even when the relief recess 51 is provided. For example, when an external force acts on the electric wire 20 due to the electric wire 20 being pulled, even if the electric wire 20 comes into contact with the electric wire cover 14 and the external force is transmitted to the electric wire cover 14, the electric wire cover is provided by the first rib 52. Since the strength of 14 is improved, it is possible to prevent the wire cover 14 from rattling.

According to the present embodiment, each of the two first ribs 52 is provided with a second rib 53 that projects in the left-right direction and extends in the front-rear direction.

When a force is applied to the electric wire cover 14 from the left-right direction, the first rib 52 extending in the front-rear direction may bend in the left-right direction. The first rib 52 is reinforced by providing the first rib 52 with a second rib 53 projecting in the left-right direction. As a result, it is possible to prevent the first rib 52 from bending and deforming in the left-right direction, so that the strength of the electric wire cover 14 can be further improved.

According to the present embodiment, at least one of the first rib 52 and the second rib 53 is provided with a front stop rib 55 projecting in the left-right direction at a position closer to the rear end portion in the front-rear direction, and the front stop rib 55 is provided. The rib 55 comes into contact with the female connector housing 13 from the rear.

The front stop rib 55 abuts on the connector housing from the rear, so that the wire cover 14 is held in the connector housing in the front stop state.

According to the present embodiment, the second ribs 53 provided on each of the two first ribs 52 project in a direction approaching each other.

The electric wire cover 14 can be miniaturized in the left-right direction as compared with the case where the two second ribs 53 project in the direction away from each other.

According to the present embodiment, the second rib 53 has a sliding contact portion 54 that protrudes from the second rib 53 and extends in the front-rear direction, so that the sliding contact portion 54 is in sliding contact with the female connector housing 13. It has become.

By sliding the sliding contact portion 54 and the female connector housing 13, the electric wire cover 14 can be easily assembled to the female connector housing 13. This makes it possible to improve the efficiency of the work of assembling the electric wire cover 14 to the female connector housing 13. Further, since the sliding contact portion 54 extends in the front-rear direction, it is possible to prevent the electric wire cover 14 from being displaced in the left-right direction.

According to the present embodiment, the sliding contact portion 54 has a base portion connected to the second rib 53 and an end portion located on the opposite side of the second rib 53, and has a width dimension of the upper end portion 57 in the left-right direction. Is set to be larger than the width dimension of the lower end portion 56, and the female connector housing 13 has a sliding contact groove 58 having a cross-sectional shape corresponding to the sliding contact portion 54 extending in the front-rear direction.

Since the sliding contact portion 54 fits into the sliding contact groove 58 of the female connector housing 13, the electric wire cover 14 does not easily come off from the female connector housing 13.

According to the present embodiment, the electric wire cover 14 includes a lower cover 43 and an upper cover 44 assembled to the lower cover 43, and the upper cover 44 has a first rib 52.

Since the electric wire 20 can be accommodated so as to be sandwiched between the lower cover 43 and the upper cover 44, the efficiency of the work of accommodating the electric wire 20 in the electric wire cover 14 can be improved. Further, the strength of the upper cover 44 can be improved by the first rib 52.

According to the present embodiment, the electric wire cover 14 includes a lower cover 43 and an upper cover 44 assembled to the lower cover 43, and the upper cover 44 has a first rib 52 and a second rib 53.

Since the upper cover 44 has the second rib 53, the strength of the upper cover 44 is further improved, so that the strength of the electric wire cover 14 can be further improved.

<Other embodiments>
(1) The female connector housing 13 according to the present embodiment is provided with four cavities 21, but the present invention is not limited to this, and the female connector housing 13 has two, three, or five cavities 21. The above cavity 21 may be provided.

(2) The electric wire cover 14 according to the present embodiment has a configuration in which the upper cover 44 and the lower cover 43 are integrally assembled, but the present invention is not limited to this, and the electric wire cover may be one member having a cylindrical shape. ..

(3) In the present embodiment, the electric wire cover 14 is attached to the female connector housing 13, but the present invention is not limited to this, and the electric wire cover may be attached to the male connector housing.

(4) The cross-sectional shape of the sliding contact portion 54 according to the present embodiment is trapezoidal, but the cross-sectional shape of the sliding contact portion 54 is not limited to this, and the cross-sectional shape of the sliding contact portion 54 is an arbitrary shape such as a triangular shape, a square shape, or a semicircular shape. Can be. Further, the sliding contact portion 54 may be omitted.

(5) The second rib 53 according to the present embodiment is configured to project in a direction approaching each other, but is not limited to this, and may be configured to project in a direction away from each other. Further, the second rib 53 may be omitted.

(6) The cross-sectional shape of the second rib 53 may be trapezoidal when viewed from the front-rear direction.

(7) The front stop rib 55 may be provided only on the first rib 52 or may be provided only on the second rib 53. Further, the front stop rib 55 may be omitted.

(8) In the present embodiment, the upper wall 47 of the upper cover 44 is provided with the relief recess 51, but the present invention is not limited to this, and the bottom wall 45 of the lower cover 43 may be provided with the relief recess 51. Often, an escape recess 51 can be provided in any wall portion of the wire cover 14.

10: Connector 11: Female connector (an example of a connector with a wire cover)
12: Male connector (an example of mating connector)
13: Female connector housing (an example of connector housing)
14: Wire cover 15: CPA member 16: Hood part 17: Male terminal 18: Lock hole 19: Lock claw 20: Wire 21: Cavity 22: Female terminal metal fitting 23: Front mask 24: Opening 25: Connection cylinder part 26: Wire barrel 27: Insulation barrel 28: Core wire 29: Insulation coating 30: Locking hole 31: Lance 32: Lock arm 33: Operation part 34: Engagement recess 35: Elastic engagement part 36: Position guarantee engagement part 37: Protective part 38: CPA member accommodating part 39: Picking part 40: Right arm part 41: Left arm part 42: Front stop engaging part 43: Lower cover 44: Upper cover 45: Bottom wall 46: Side wall 47: Upper wall (example of wall part) )
48: Side wall 49: Lock protrusion 50: Lock receiving portion 51: Relief recess 52: First rib 53: Second rib 54: Sliding contact portion 55: Front stop rib 56: Lower end portion (example of base)
57: Upper end (example of end)
58: Sliding contact groove 59: Rear stop engaging portion 60: Rear stop recess

Claims

A wire cover that fits into the mating connector and is attached to the connector housing from which the wire is drawn.
It has a wall portion that covers at least a part of the electric wire, and has a wall portion.
The wall portion has a recess that avoids interference with a CPA member that guarantees a fitting position between the connector housing and the mating connector.
It has two first ribs, which extend along the lead-out direction from which the wire is derived.
The two first ribs are electric wire covers provided on both side edges of the relief recess in the intersecting direction intersecting the lead-out direction.
The electric wire cover according to claim 1, wherein each of the two first ribs is provided with a second rib that protrudes in the crossing direction and extends along the lead-out direction.
At least one of the first rib and the second rib is provided with a front stop rib protruding in the crossing direction at a position closer to the rear end portion in the lead-out direction.
The electric wire cover according to claim 2, wherein the front stop rib comes into contact with the connector housing from the rear in the lead-out direction.
The electric wire cover according to claim 2 or 3, wherein the second rib provided on each of the two first ribs protrudes in a direction approaching each other.
The second rib has a sliding contact portion that protrudes from the second rib and extends along the lead-out direction, and the sliding contact portion is in sliding contact with the connector housing according to claim 2. The electric wire cover according to any one of the items 4.
The sliding contact portion has a base portion connected to the second rib and an end portion located on the opposite side of the second rib.
In the crossing direction, the width dimension of the end portion is set to be larger than the width dimension of the base portion.
The electric wire cover according to claim 5, wherein the connector housing has a sliding contact groove having a cross-sectional shape corresponding to the sliding contact portion extending along the lead-out direction.
A lower cover and an upper cover that can be attached to the lower cover are provided.
The electric wire cover according to any one of claims 1 to 6, wherein the upper cover has the first rib.
A lower cover and an upper cover that can be attached to the lower cover are provided.
The electric wire cover according to any one of claims 2 to 6, wherein the upper cover has the first rib and the second rib.
The electric wire cover according to any one of claims 1 to 8.
A connector with a wire cover and a connector housing to which the wire cover is attached.
The connector housing is a connector with an electric wire cover having a lock arm that engages with the mating connector and having a CPA member that engages with the lock arm to guarantee a mating position with the mating connector.