CONNECTOR WITH CABLE COVER

Abstract

A connector (10) with cable cover (30) comprising: a housing (20) comprising a connector receiving chamber (22) configured to receive a connector (41) connected to a cable (40), and a rear surface (21b) comprising an opening (22b) of the connection receiving chamber (22) for the purpose of bringing out the cable (40); and the cable cover (30), which is tubular and is attached to a side of the rear surface (21b), wherein the housing (20) has a water drainage passage (A) extending from a part of the rear surface (21b) positioned below the opening (22b) to a rear side of a lower surface (21e) of the housing (20), wherein a rear end of the lower surface (21e) has a cover mounting projection (27) configured for securing the cable cover (30), wherein the water drainage passage (A) is formed by a water drainage hole (28) formed on the cover mounting projection (27), and a water drainage recess (29) formed on the rear side of the lower surface (21e) and connected to the water drainage hole (28), characterized in that the housing (20) includes a reinforcing rib (27a) that divides the water drainage hole (28) and the water drainage recess (29).

Description

[0001] The present invention relates to a connector with a cable cover according to the preamble of the independent patent claim. Such a connector is known from WO 2014 / 020402 A1.

[0002] Furthermore, a connector with a cable cover disclosed in JP 2002-25684 A includes a housing having a terminal receiving chamber into which a terminal connected to a cable is received, and a cable is led out from a rear surface, and a tubular cable cover attached to the rear side of the housing. The cable cover has a tubular cover body and a pair of opening and closing members provided on the cover body via a hinge. The rear side of the inner surface of the pair of opening and closing members is provided with a locking portion for locking a bellows-like corrugated tube.

[0003] However, in the conventional connector with cable cover, water coming down from the cable or corrugated pipe collects in a hollow groove of the housing and the water cannot be removed.

[0004] An object of the present invention is to provide a connector with cable cover capable of discharging water to the outside even when the water coming down from the cable or the like moves toward the housing.

[0005] This object is achieved according to the invention by a connector with a cable cover having the features of the independent patent claim.

[0006] The connector with cable cover according to the present invention includes a housing having a terminal receiving chamber configured to receive a terminal connected to a cable, and a rear surface including an opening of the terminal receiving chamber configured to lead the cable out of the housing; and a cable cover formed in a tubular shape and attached to one side of the rear surface. The housing is provided with a water drainage passage communicating from a part of the rear surface positioned below the opening on the rear surface to a rear side of a lower surface of the housing.

[0007] According to the above configuration, it is possible to provide a connector with cable cover capable of discharging water to the outside via the water drainage passage even if the water coming down from the cable or the like moves in the direction of invading the housing. Description of the drawings Fig. 1 is a perspective view illustrating a connector with cable cover according to a present embodiment; Fig. 2 is a perspective view illustrating a state before the cable cover of the connector with cable cover is attached; Fig. 3 is a side view of a housing of the connector with cable cover; Fig. 4 is a rear view of the housing; Fig. 5 is a bottom view of the housing; Fig. 6 is a cross-sectional view of the housing; and Fig. Figure 7 is a cross-sectional view of the connector with cable cover. Detailed description

[0008] Various embodiments are described below with reference to the accompanying drawings.

[0009] A description of an embodiment is given below with reference to the drawings.

[0010] Fig. 1 is a perspective view illustrating a connector with cable cover according to the present embodiment; Fig. 2 is a perspective view illustrating a state before the cable cover of the connector is attached to the cable cover; Fig. 3 is a side view of the housing of the connector with cable cover; Fig. 4 is a rear view of the housing; Fig. 5 is a bottom view showing the lower surface of the housing; Fig. 6 is a cross-sectional view of the housing; and Fig. Figure 7 is a cross-sectional view of the connector with cable cover.

[0011] For convenience of description, a predetermined direction in a cable cover connector 10 is defined as the longitudinal direction, a predetermined direction orthogonal to the longitudinal direction is defined as the vertical direction, and a direction orthogonal to the longitudinal direction and the vertical direction is defined as the width direction.

[0012] As in Fig. 1, Fig. 2 and Fig. As shown in Fig. 7, the cable-covered connector 10 includes a synthetic resin receptacle housing (casing) 20 from which a cable 40 is led out from a rear surface (rear surface) 21b, and a synthetic resin tube cable cover 30 attached to the rear surface 21b of the receptacle housing 20. In the present embodiment, the longitudinal direction is a long side of the receptacle housing 20, which is a direction in which the cable 40, to which a receptacle terminal 41 (terminal) is connected, is inserted into the receptacle housing 20.

[0013] As in Fig. 1 to 7, the receptacle housing 20 includes a housing body 21, a hood portion 23, and a tubular front holder 24. The housing body 21 has two terminal receiving chambers 22 in which the receptacle terminal 41 connected to the cable 40 is received. The hood portion 23 is formed integrally with the center of the housing body 21 so as to protrude therefrom, and the front surface side and the top surface side thereof, into which a plug-in housing of a plug-in connector of a counterpart (not shown) is inserted, are opened. The tubular front holder 24 is inserted into the front side of the housing body 21, and has a terminal insertion hole 24a into which a male terminal of the unillustrated counterpart is inserted, and a lance 24b for locking the female terminal 41.

[0014] As in Fig. 4, Fig. 6 and Fig. As shown in Fig. 7, the terminal receiving chamber 22 of the housing body 21 receives the female terminal 41 connected to the terminal of the cable 40 from a circular opening 22b of the terminal receiving chamber 22 provided on the rear surface 21b. The space between each terminal receiving chamber 22 and the cable is sealed with a rubber plug 42 mounted on the cable 40. A front surface 21a of the housing body 21 is formed with a terminal insertion hole 22a into which the male terminal of the unillustrated counterpart is inserted so as to communicate with the terminal receiving chamber 22.

[0015] As in Fig. As shown in Fig. 2, the rear end side of both side surfaces 21c of the housing body 21, which are provided in the width direction of the housing 20, is formed with a recessed cover locking groove 25 as a cover locking portion. A cover surface 21d of the housing body 21 is provided with a locking arm 26 for locking with the plug-in housing of the counterpart in an inserted state. An operating end 26a of the locking arm 26 is provided on the rear surface of the upper opening of the hood portion 23.

[0016] Furthermore, the rear end of the lower surface 21e of the housing 20 is provided with a cover mounting projection 27 as a cover mounting portion. As shown in Fig. 4, Fig. 6 and Fig. As shown in Fig. 7, the cover mounting protrusion 27 is provided with a pair of water drainage holes 28 below the respective openings 22b of the two terminal accommodating chambers 22 so that they pass through the cover mounting protrusion 27. A reinforcing rib 27a is provided between the pair of water drainage holes 28. That is, the water drainage holes 28 are formed in a divided manner with the reinforcing rib 27a as a boundary. The rear side of the lower surface 21e of the housing 20 is formed with a pair of rectangular recessed water drainage grooves 29 communicating with the pair of water drainage holes 28. That is, the water drainage recesses 29 on the lower side 21e of the case body 21 are also formed in a divided manner with a partition wall 29a corresponding to the reinforcing rib 27a as a boundary.The water drainage hole 28 of the cover attachment projection 27 and the water drainage recess 29 of the lower surface 21e of the housing body 21 define a water drainage passage A. The water drainage passage A is formed to communicate from below each opening 22b of the two terminal accommodating chambers 22 on the rear surface 21b of the housing body 21 to the rear side of the lower surface 21e.

[0017] As in Fig. 1, Fig. 2 and Fig. 7, the cable cover 30 includes a substantially semi-cylindrical body cover 31, a substantially semi-cylindrical lid cover 35, and a hinge 39. The substantially semi-cylindrical body cover 31 is attached to the cover locking recessed groove 25 on the both side surfaces 21c of the case body 21. The substantially semi-cylindrical lid cover 35 is attached to the cover attachment projection 27 on the bottom surface 21e of the case 20 in a tube state in which the substantially semi-cylindrical lid cover 35 is integrated with the body cover 31, and the substantially semi-cylindrical lid cover 35 covers the front end side of a corrugated tube 45 through which the cable 40 passes. The hinge 39 is provided between the body cover 31 and the lid cover 35.

[0018] The front side of the body cover 31 is integrally formed with a pair of attachment portions 32 so as to extend vertically in parallel. The interior of each attachment portion 32 is provided with projecting housing locking projections 32a as a housing locking portion, which is inserted into the recessed cover locking groove 25 of the housing body 21. An inner surface of the body cover 31 is provided with a projecting part 33, which is locked to a bellows-like recessed part 45a of the corrugated tube 45. Furthermore, an end part of the body cover 31, opposite the hinge 39, is formed with a locking hole 34.

[0019] As in Fig. As shown in Fig. 7, the front side of the inner surface of the lid cover 35 is formed with a recessed housing attachment groove 36 as a housing attachment portion, which is inserted into the cover attachment projection 27 of the housing body 21. An inner surface of the lid cover 35 is provided with a projecting part 37, which is locked to the bellows-like recessed part 45a of the corrugated tube 45. Furthermore, as shown in Fig.As shown in Fig. 2, the end portion of the lid cover 35 opposite the hinge 39 is provided with a locking projection 38 that is locked to the locking hole 34. When the body cover 31 and the lid cover 35 are integrated into a tubular shape, a stepped portion 36a formed in the front portion of the outer side of the lid cover 35 is fitted into a groove portion 32b formed on the lower end side of the attachment portion 32 on the outer side of the body cover 31.

[0020] According to the connector 10 with cable cover of the embodiment described above, even if water coming down from the corrugated tube 45 or the cable 40 continues to enter the rear surface 21b side of the housing body 21 of the accommodating housing 20, the water is drained to the outside through the water drainage passage A that communicates from below the opening 22b of the terminal accommodating chamber 22 on the rear surface 21b of the housing body 21 to the rear side of the lower surface 21e. Thereby, intrusion of water from the corrugated tube 45 or the cable 40 on the rear surface 21b side of the housing body 21 can be prevented.

[0021] Furthermore, while the pair of water drainage holes 28 are formed in the cover attachment projection 27 of the case body 21, the pair of water drainage holes 28 are formed in a divided manner with the reinforcing rib 27a as a boundary, and reinforced by the reinforcing rib 27a, and thus, even if the cable cover 30 is pulled in a removal direction, the cover attachment projection 27 is not damaged, and the strength of the cover attachment portion 27 is improved.

[0022] According to the embodiment as described above, two water drainage holes are formed by the cover attachment projection and the two recessed water drainage recesses are formed on the lower surface of the case body, but one water drainage hole and one water drainage recess may be formed.

[0023] According to the embodiment as described above, the recessed water drainage groove is formed on the lower surface of the case body, but a water drainage hole communicating from the lower surface side of the case body to the water drainage hole of the cover attachment projection may be formed.

[0024] Although the present invention has been described with reference to the embodiment, the present invention is not limited to this, and the configuration of parts may be replaced with any configurations having a similar function as long as they are within the scope of the claims.

Claims

[1] A connector (10) with cable cover (30), comprising: a housing (20) having a terminal receiving chamber (22) configured to receive a terminal (41) connected to a cable (40), and a rear surface (21b) having an opening (22b) of the terminal receiving chamber (22) for leading out the cable (40); and the cable cover (30) which is tubular and is attached to one side of the rear surface (21b), wherein the housing (20) has a water drainage passage (A) extending from a part of the rear surface (21b) positioned below the opening (22b) to a rear side of a lower surface (21e) of the housing (20), wherein a rear end of the lower surface (21e) has a cover attachment projection (27) configured to attach the cable cover (30), wherein the water drainage passage (A) is formed by a water drainage hole (28) formed on the cover attachment projection (27), and a water drainage recess (29) formed on the rear side of the lower surface (21e) and connected to the water drainage hole (28), characterized by , that the housing (20) includes a reinforcing rib (27a) which divides the water drainage hole (28) and which divides the water drainage recess (29).

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