JP2001196129A - Water-proof connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water-proof connector in which a mounting work of a dummy plug is easy to be performed, and provide the water-proof connector of a short length to the back and forth. SOLUTION: At the water-proof connector, a housing 4 in which terminal metal fittings are capable to be accommodated, a water-proof member 7 that is mounted at the rear side of the housing 4, and a cover 8 that is mounted at its rear side are provided. At the water-proof member 7, an insertion through hole 29 by which an electric wire is capable to be penetrated watertightly is provided. Further, at the cover 8, an entire surface opening 34 that can open up every wire insertion holes 29 is provided. After the assembly of water-proof connector was completed, dummy plugs 39 are mounted on the wire insertion through holes 29 that are not used.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof connector.

[0002]

2. Description of the Related Art FIG. 23 and FIG.
No. 26066 discloses a waterproof connector. The waterproof connector 100 includes a housing 102 having a cavity 105 in which a terminal fitting 101 can be housed, and a waterproof member 10 for closing a rear surface of the housing 102 in a watertight manner.
4 and a cover 103 that is attached to the housing 102 to prevent the waterproof member 104 from coming off.

[0003]

Generally, not all cavities 105 are used in a connector, and unnecessary cavities 105 may be generated depending on a circuit configuration. The above waterproof connector 1
In the case of 00, when an unnecessary cavity 105 is generated, a dummy plug has been inserted into the cavity 105 serving as an empty room in order to prevent the terminal fitting 101 from being mounted in the cavity 105. It is also conceivable to adopt a method in which such a dummy plug is formed on the inner surface of the cover 103 in advance, and the dummy plug is inserted into a predetermined cavity when the cover 103 is attached. Alternatively, a method in which the dummy plug is formed separately from the cover and protrudes into the cavity through the opening 103A of the cover may be considered. However, in the former method, the cover is a dedicated product, and it is difficult to cope with a change in the position of the empty cavity. Further, in the latter method, the dummy plug is inserted into the cavity at the back of the cover, so that there is a problem that the insertion operation becomes difficult.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a waterproof connector provided with a waterproof member for waterproofing both around a wire and a mating connector. Another object of the present invention is to provide a device which can easily perform the above-mentioned operations, and a device which requires a minimum change even when the circuit configuration is different. Another object is to provide a waterproof connector having a short front-to-rear length.

[0005]

According to a first aspect of the present invention, there is provided a waterproof connector having a housing having a plurality of cavities capable of accommodating terminal fittings; And an electric wire insertion hole through which an electric wire connected to the terminal fitting can be inserted in a watertight manner, and a housing waterproof portion for holding a watertight state between a mating housing fitted in the housing and the housing. A waterproof member provided; and a cover disposed on the rear side of the waterproof member and assembled to the housing to retain the waterproof member in a retaining manner. It is characterized in that an entire opening is provided which can open the rear opening of the electric wire insertion hole all at once to the rear.

According to a second aspect of the present invention, in the first aspect, the rear end of the waterproof member faces the inside of the entire opening, and the rear end surface of the waterproof member is connected to the rear end surface of the cover. It is characterized by being positioned substantially flush or inward. According to a third aspect of the present invention, in the first aspect, a plate is attached to the entire surface opening, and the plate corresponds to a cavity to be used among the cavities. At a position corresponding to a cavity that is not used, a dummy plug that can be inserted into an electric wire insertion hole of the waterproof member is protrudingly provided at a position corresponding to a cavity that is not used. It is characterized by being.

According to a fourth aspect of the present invention, at least a pair of locking holes are provided in the waterproofing member at positions facing each other around a region where the wire insertion hole is formed. On the other hand, the plate is provided with a locking projection which can be engaged with the locking hole. The invention according to claim 5 is the invention according to claim 3 or claim 4, wherein a surface of the cover on which the plate is assembled protrudes so as to surround the periphery of the plate, and a protruding end surface is a surface of the plate. The protective rib is formed so as to be flush with or protruded outward from the surface.

[0008]

According to the first aspect of the present invention, since the cover is provided with an opening on the entire surface to expose the wire insertion hole of the waterproof member, the wire insertion hole can be easily checked from the outside. Excellent workability of inserting terminal fittings. According to the second aspect of the present invention, the size of the waterproof connector can be reduced by the thickness of the rear end face of the cover, as compared with the related art in which the rear end face of the waterproof member is covered with the rear end face of the cover. The overall front and rear length can be reduced.

According to the third aspect of the present invention, when the circuit configuration of the waterproof connector is changed, only the plate needs to be changed, so that it is not necessary to change the entire housing and a minimum change is required. According to the invention of claim 4, the terminal is inserted into the electric wire insertion hole of the waterproof member through the electric wire passage opening of the plate. Since the terminal fitting is inserted while pressing the flesh around the wire insertion hole to the outside, the flesh is biased as the insertion operation progresses, and the uninserted wire insertion hole tends to shift from the original position.
However, since the displacement between the plate and the waterproof member is regulated by the engagement between the locking projection and the locking hole, the alignment between the wire insertion hole and the wire passage hole is maintained. As a result, the terminal fitting can be easily inserted. According to the fifth aspect of the present invention, since the protection rib is provided so as to surround the periphery of the plate, breakage or detachment of the plate due to interference with other members is prevented.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment Next, a first embodiment of the present invention will be described in detail with reference to FIGS. In the following description, unless otherwise specified, the side where the two housings 4 and 6 are fitted to each other is the front side, and the vertical direction is shown in the mode shown in FIG. FIG. 1 shows an exploded perspective view of the waterproof connector 1. This waterproof connector 1
A housing 4 provided with a cavity 3 capable of accommodating the female terminal fitting 2, a retainer 5 assembled from the lower surface side of the housing 4, a waterproof member 7 assembled from the rear surface of the housing 4, and a waterproof member 7 And a cover 8 for retaining the retaining member 7.

The housing 4 is formed in a substantially rectangular parallelepiped shape by a synthetic resin. Inside the housing 4, in addition to the terminal fitting 2, two types of short-circuit terminals 9 and 10 can be mounted. First, the configuration of the terminal fitting 2 will be described with reference to FIG. The terminal fitting 2 is formed by bending a conductive plate material, and a barrel portion 2A to which an electric wire W can be connected is provided at a rear portion thereof. At the front of the terminal fitting 2, there is provided a rectangular tubular connecting portion 2B to which a male tab 11 described later can be connected.

The terminal fitting 2 can be mounted inside the cavity 3 of the housing 4. The cavity 3 is opened forward and backward, and the front is opened small as a connecting hole 3A into which the male tab 11 on the other side enters,
The rear side is largely opened as a terminal insertion hole 3B into which the terminal fitting 2 can be inserted. The terminal fitting 2 is prevented from falling inside the cavity 3 by a retainer 5 assembled from a retainer mounting port 4A opened on the lower surface side of the housing 4. The retainer 5 and the housing 4 are provided with two locking positions, a temporary locking position where the retainer 5 is engaged at a shallower position and a full locking position where the retainer 5 is engaged at a deeper position.
At the temporary locking position, the terminal fitting 2 can be inserted into and removed from the cavity 3, while at the final locking position, the terminal fitting 2 is prevented from falling into the cavity 3.

A lock arm 14 is provided at the center of the upper surface of the housing 4 so as to be elastically deformable in the vertical direction. The front end portion of the lock arm 14 is connected to the upper surface of the housing 4 and is cantilevered. In the center of the lock arm 14, the engagement protrusion 14
A is protruded, and the two housings 4 and 6 are retained and prevented from being pulled out by engaging the engaging projection 14A with the mating housing 6. A short-circuit terminal assembling portion 41 is provided on the bottom surface of the space below the lock arm 14, and the short-circuit terminal 9 can be assembled here. The housing 4 is provided with four short-circuit terminal cavities 42 at the lower end, and a pair of left and right short-circuit terminal cavities 42 at the center, in which the short-circuit terminals 10 can be accommodated.

Among the short-circuit terminals 9 and 10, a large short-circuit terminal 9 is provided with a pair of elastic contact pieces 9 which can be elastically deformed in the vertical direction.
A is provided so as to be able to contact a pair of short-circuit pieces 12 (see also FIG. 5) provided inside the mating housing 6. The small short-circuit terminals 10 (only a pair of short-circuit terminals 10 are shown in FIG. 1 for convenience of illustration) are provided with a pair of left and right elastic contact pieces 10A that can be elastically deformed in the vertical direction. Have been. Each of the elastic contact pieces 10A can be elastically contacted with the connecting portion 2B of the terminal fitting 2. Before the waterproof connector 1 and the mating housing 6 are fitted together, the connector contacts the connecting portion 2B of the terminal fitting 2 (see FIG. 5). The elastic contact piece 10A and the connecting portion 2B are separated from each other by the separating piece 13 provided at the position (see FIG. 7).

A pair of engaging edges 15 are provided on the right and left sides of the lock arm 14 in the upper rear surface of the housing 4. An engagement arm 17 of the cover 8 described later is elastically engageable with the engagement edge 15. Also,
A pair of left and right engagement recesses 16 are provided at the lower rear portion of the housing 4.
Is recessed. An engagement arm 18 of the cover 8 is elastically engageable with the engagement recess 16.

The waterproof member 7 is made of a material having elasticity, and is provided with an assembling opening 7A on the front surface thereof to cover the entire rear surface of the housing 4. The assembly opening 7A is
The operating portion 19, which is swellable on the upper rear surface of the waterproof member 7, can be housed inside the housing 4 including the lock arm 14. Operation is possible. The outer and inner edges of the assembly opening 7A are provided with a plurality of housing waterproof portions 20, 21 along the entire circumference.
Are provided in a cross-sectional wave shape. The outer housing waterproof portion 20 is pressed against the inner surface of the cover 8 and the inner housing waterproof portion 21 is pressed against the outer surface of the mating housing 6 to be slightly elastically deformed.
The space between 6 is watertight.

Further, abutting portions 22, 23, and 24 are provided on the outer side of the hole edge of the assembling opening 7A at the upper, lower, left, and right centers, respectively. Each of the contact portions 22, 23, and 24 can be assembled to fitting portions 25, 26, and 27 that are recessed in the cover 8. Also, on the rear side of the waterproof member 7,
A plurality of electric wire insertion holes 29 through which the electric wire W can be inserted are opened. Each wire insertion hole 29 is formed so as to penetrate the front and rear of the waterproof member 7, and is provided in accordance with the position of the cavity 3 of the housing 4.
A plurality of waterproof ridges 2 are provided on the inner wall surface of the electric wire insertion hole 29.
9A protrudes over the entire circumference (see FIG. 5). The inner diameter of the waterproof ridge 29A is formed slightly smaller than the outer diameter of the electric wire W, and is pressed against the outer periphery of the electric wire W to form a watertight structure. The rear end face of the waterproof member 7 is provided at a position where all the electric wire insertion holes 29 are provided toward the rear portion up to a position equivalent to the operation portion 19, and is formed as a protruded portion 35. .

The operation unit 1 is provided on the rear surface of the waterproof member 7.
A pair of arm insertion holes 30 are opened on both left and right sides of 9, so that the engagement arm 17 of the cover 8 can be penetrated. A rib insertion groove 37 is provided below the arm insertion hole 30 and adjacent to the operation unit 19. The rib insertion groove 37 is open on the rear side, while being closed on the front side (see also FIG. 8). A circular rib 38 projecting from the cover 8 is attached to the rib insertion groove 37.

On the rear surface of the waterproof member 7, a pair of left and right arm insertion holes 31 that can penetrate the engaging arm 18 of the cover 8 is opened near the lower end. Further, on the rear surface of the waterproof member 7, a pair of left and right rib mounting recesses 32 is provided at the center in the height direction. A rib 33 protruding from the inside of the cover 8 is fitted into the rib mounting recess 32. Note that a total of five rib mounting recesses 32 are provided at a lower end of the rear surface of the waterproof member 7 at predetermined intervals.

As shown in FIG. 2, the cover 8 is integrally formed of a synthetic resin, and the waterproof member 7 can be housed inside. The front of the cover 8 is entirely open, from which the waterproof member 7 is mounted. On the rear surface side of the cover 8, there is provided an entire opening 34 that can collectively open the rear opening of the electric wire insertion hole 29 of the waterproof member 7 backward. The front-rear length of the hole edge of the entire opening 34 is equal to or slightly longer than the height of the protrusion 35 of the waterproof member 7. In addition, an operation portion housing groove 36 that opens to the upper surface of the cover 8 is connected to the upper portion of the entire opening 34. On the inner surface side of the cover 8, a pair of left and right engagement arms 17 are provided to protrude forward on both sides of the operation section housing groove 36. The engagement arm 17 is configured to be elastically deformable in the vertical direction, and has an engagement claw 17A protruding downward from the tip thereof. This engaging claw 17
A can be engaged with the engagement edge 15 of the housing 4. Circular ribs 38 protrude forward below the engagement arms 17, respectively.
Can be inserted into the rib insertion groove 37.

On the inner side of the cover 8, a pair of ribs 33 project from the center in the left and right directions, and five ribs 33 project from the lower edge part at a predetermined interval. It can be inserted into. A pair of engagement arms 18 project forward from the upper surface of one of the five ribs 33 at the lower end, which is closer to the center from both sides. At the front end of the engagement arm 18, an engagement claw 18 </ b> A protrudes upward, and can be engaged with the engagement recess 16 of the housing 4. The engagement arm 18 is configured to be elastically deformable in the vertical direction.

After assembling the waterproof connector 1,
Before attaching the terminal fitting 2 to the cavity 3, the dummy plug 39 is inserted into the electric wire insertion hole 29 of the waterproof member 7. The dummy plug 39 is inserted into an unused one of the cavities 3 to prevent the terminal fitting 2 from being erroneously inserted into the cavity 3 and to prevent the electric wire insertion hole 2 from being inserted.
Nine parts are kept watertight. Dummy stopper 39
Is formed integrally with a synthetic resin, and has a columnar insertion portion 3 having an outer diameter larger than the inner diameter of the electric wire insertion hole 29.
9A, and a knob 39B that is formed in a rectangular shape at the rear end of the insertion portion 39A.

Next, the configuration of the mating housing 6 will be described with reference to FIG. The mating housing 6 is
A plurality of male tabs 11 made of a conductive member and a pair of short-circuiting pieces 12 are housed therein, and are integrally formed in a substantially hood shape with a synthetic resin. An isolation piece 13 is formed inside the mating housing 6.
An engagement receiving portion 40 projects downward from the inside of the upper surface.
By engaging with the housing 4, the two housings 4, 6 are retained and prevented from coming off.

Next, the operation and effect of the present embodiment configured as described above will be described. First, while assembling the housing 4 and the retainer 5 in a temporarily locked state,
The short-circuit terminal 9 and a required number of short-circuit terminals 10 are assembled to the housing 4. Next, the assembling opening 7 of the waterproof member 7
From A, the rear side of the housing 4 is assembled. At this time,
The lock arm 14 is housed inside the operation unit 19.

Next, the cover 8 is assembled from behind the waterproof member 7. The engaging arms 17 and 18 of the cover 8 penetrate through the arm insertion holes 30 and 31 of the waterproof member 7, respectively, and the engaging claws 17A and 18A
5 or by elastically engaging the engaging recess 16,
The cover 8 and the housing 4 are retained so as not to come off. At this time, since the waterproof member 7 is sandwiched between the two members 8 and 4, the waterproof member 7 is prevented from coming off. When the assembly of the cover 8 is completed, the rib 33 of the cover 8 is provided in the rib mounting recess 32 of the waterproof member 7, and the circular rib 3 is provided in the rib insertion groove 37.
8 are fitted respectively. Further, contact portions 22, 23, and 24 are fitted into fitting portions 25, 26, and 27, respectively, which are recessed at the distal end portion of the cover 8.

The projecting portion 35 of the waterproof member 7 is accommodated in the entire opening 34 of the cover 8, and the rear end surface of the projecting portion 35 is on the same surface as the entire opening 34, or is retracted slightly inward. It is in a state where it has been done. Next, a dummy plug 39 is attached to the unused cavity 3. FIG. 3 shows a state before four dummy plugs 39 are inserted. In addition,
When the dummy plug 39 is mounted, the dummy plug 39 can be mounted through the entire opening 34 that is largely open behind the cover 8, so that the dummy plug 39 can be easily mounted by an automatic mounting machine.

After the waterproof connector 1 has been assembled in this manner, the terminal fitting 2 to which one end of the electric wire W is connected is inserted into a predetermined cavity 3, and then the retainer 5 is pushed to the final locking position. Is set to the stop state (see FIG. 5). Finally, the housing 4 of the waterproof connector 1
And the mating housing 6 are fitted. When the two housings 4 and 6 are fitted to a predetermined position, the engagement protrusions 14A of the lock arm 14 are elastically engaged with the engagement receiving portions 40 to be engaged. At this time, a housing waterproof part 20,
21 are sandwiched by a predetermined contact pressure, and both housings 4 and 6 are made watertight by being slightly elastically deformed.
Further, inside the housings 4 and 6, the terminal fitting 2 and the male tab 11 are connected, and a pair of short-circuit pieces 12 are provided.
Are in contact with the elastic contact piece 9A of the short-circuit terminal 9 (see FIG. 7 and the like).

As described above, according to the present embodiment, the cover 8
Is provided with an entire opening 34 to expose the electric wire insertion hole 29 of the waterproof member 7, so that the electric wire insertion hole 29 can be easily checked from the outside, and the workability of inserting the terminal fitting 2 is excellent.
Also, the workability when the dummy plugs 39 are individually inserted into the electric wire insertion holes 29 is excellent. Further, like the conventional waterproof connector 100, the rear end face of the waterproof member 104 is covered with a cover 1.
03 cover 8
Since the size can be reduced by the thickness of the rear end surface, the front-rear length of the entire waterproof connector 1 can be reduced.

<Second Embodiment> Next, a second embodiment of the present invention will be described with reference to FIGS.
In the first embodiment and the second embodiment, the same reference numerals are given to the components having the same operation, and the description will be omitted. In the waterproof connector 50 of the present embodiment, the same housing as that of the first embodiment is used for the housing 4, the retainer 5, and the short-circuit terminals 9, 10.

On the rear surface side of the waterproof member 51 made of an elastic material, the lower part of the operation part 19 is protruded one step backward from the upper part, and is formed as a protruding lower part 52. In the vicinity of the upper, lower, left and right ends of the protruding lower portion 52, locking holes 53 are provided at positions facing each other around the area where the electric wire insertion hole 29 is formed. A locking projection 55 of a plate 54 described later fits into the locking hole 53.

In the entire opening 34 of the cover 56, a pair of upper and lower concave portions 57 are formed on the left and right peripheral edges. In addition, at the periphery of the entire opening 34, a convex edge 58 protrudes from the front part (from the waterproof member 51) toward the entire opening 34 at a position excluding the recess 57 and the engagement arm 18. Have been.

Further, a plate 54 is assembled to the waterproof connector 50 of this embodiment (note that the plate 54 shown in FIG. 10 is different from the plate 54 shown in FIGS. 11 and 13 in configuration. That is, in the plate 54 of Fig. 10, the terminal fittings 2 are inserted into all the cavities 3, while in the plates 54 of Fig. 11 and Fig. 13, dummy plugs 61 for the unused cavities 3 are provided. However, for the sake of illustration,
Both plates are indicated by the same symbols. ). The plate 54 is integrally formed of a synthetic resin, and the left, right, and lower end portions of the outer shape are substantially matched with the shape of the opening 34 on the entire surface. In addition, the upper edge of the plate 54 is
An avoidance groove 60 is provided at the center in order to avoid abutment. The left, right and lower edges of the plate 54 are fully open
4 is formed in a shape substantially equal to the peripheral shape.

The left and right ends of the plate 54 are provided with a pair of upper and lower convex portions 62 projecting therefrom.
A locking projection 55 is provided to protrude forward from the front side. The locking projection 55 is provided with the locking hole 5 of the waterproof member 51.
By being fitted in 3, the positions of the four corners of the waterproof member 51 are fixed. Further, the convex portion 62 is located in the concave portion 57 of the entire opening 34. Further, the plate 54 has an electric wire passage opening 59 for allowing the electric wire W to be inserted in the front-rear direction at a position matching the electric wire insertion hole 29.
Is open.

In the plate 54 shown in FIGS. 11 and 13, a dummy plug 61 is provided at a position corresponding to the position of the cavity 3 which is not used. The dummy plug 61 has the same configuration as the insertion portion 39A of the dummy plug 39 in the first embodiment.

Next, the operation and effects of the present embodiment configured as described above will be described. First, the retainer 5 and the two short-circuit terminals 9 and 10 are assembled to the housing 4 (the retainer 5 is in a temporarily locked state). Next, the waterproof member 51 is attached to the housing 4. Next, the cover 56 is attached from behind the waterproof member 51. The engaging arms 17 and 18 of the cover 56 penetrate through the arm insertion holes 30 and 31 and elastically engage with the engaging edges 15 or the engaging recesses 16 of the housing 4 so that the cover 5
The housing 6 and the housing 4 are retained so as not to come off, and the waterproof member 51 is sandwiched between the members 4 and 56.

Next, a plate 5 is provided on the rear side of the waterproof member 51.
4 is attached. By fitting the locking projections 55 of the plate 54 into the corresponding locking holes 53, the four corners of the plate 54 are fixed in a state integrated with the waterproof member 51 (FIG. 1).
9 is shown enlarged. ).

At this time, the dummy plug 6 of the plate 54 is
Numeral 1 is fitted in the electric wire insertion hole 29 corresponding to the unused cavity 3 to prevent the terminal fitting 2 from being erroneously inserted and to prevent water from entering the electric wire insertion hole 29. After the completion of the assembly of the waterproof connector 50, the terminal fitting 2 to which one end of the electric wire W is connected is inserted into the electric wire insertion hole 29 and the cavity 3 of the waterproof member 51 through the electric wire passage opening 59. At this time, the terminal fitting 2
Is inserted while pressing the flesh around the wire insertion hole 29 to the outside, the flesh is biased with the progress of the insertion operation, and the uninserted wire insertion hole 29 tends to shift from the original position. However, since the displacement between the plate 54 and the waterproof member 51 is regulated by the engagement between the locking projection 55 and the locking hole 53, the alignment between the wire insertion hole 29 and the wire passage opening 59 is maintained. The terminal fitting 2 can be easily inserted since the terminal fitting is kept as it is.

After all of the terminal fittings 2 have been inserted, the retainer 5 is pushed to the final locking position, whereby the terminal fittings 2 are stopped (see FIG. 14). Finally, when the two housings 4 and 6 are fitted, the lock arm 14 is
The two housings 4 and 6 are engaged with each other by elastically engaging the housing 0 (see FIGS. 16 to 18).

As described above, according to the present embodiment, when the circuit configuration of the waterproof connector 50 is changed,
Since only the structure of the housing 4 need be changed, it is not necessary to change the structure of the entire housing 4 and a minimum change is required. Further, even if the position of the electric wire insertion hole 29 is shifted due to the insertion work of the terminal fitting 2, the plate 54 and the waterproof member 51 are integrated by the engagement between the locking projection 55 and the locking hole 53. Since the alignment state between the wire insertion hole 29 and the wire passage opening 59 is maintained, the terminal fitting 2 can be easily inserted.

<Third Embodiment> Next, a third embodiment of the present invention will be described with reference to FIGS. In the third embodiment and the second embodiment, the same components having the same functions are denoted by the same reference numerals, and the description is omitted. In the waterproof connector 70 of the third embodiment, the waterproof member 71 is integrated with the cover 72 by insert molding or fitting, and the surface 72S of the cover 72 and the surface 71S of the waterproof member 71 are flush with each other. And flat. A plate 73 is attached to the flush surfaces 71S and 72S of the waterproof member 71 and the cover 72. The plate 73 is formed of a plate material having a shape that covers the entire surface 71S of the waterproof member 71 and a peripheral region surrounding the periphery of the waterproof member 71 on the surface 72S of the cover 72. The plate 73 includes the waterproof member 7.
1 has an electric wire passage opening 75 corresponding to each electric wire insertion hole 74, and the locking projection 76 is press-fitted into the locking hole 77 of the waterproof member 71, whereby the waterproof member 71 and the surface 71 of the cover 72 are pressed.
It is attached so as to be in close contact with S and 72S.

On the surface 72S of the cover 72 on which the plate 73 is mounted, a protective rib 78 is formed so as to surround the periphery of the plate 73. The protective rib 78 is formed over the entire lower edge, the entire left and right side edges, and the upper edge along the left and right ends of the peripheral edge of the plate 73. The projecting dimension of the protective rib 78 from the cover 72 is the same as the thickness of the plate 73, and therefore, the projecting end surface 78 </ b> S of the protective rib 78 is flush with the surface 73 </ b> S of the plate 73. The projecting dimension of the protective rib 78 may be larger than the thickness of the plate 73 so that the projecting end surface 78S of the protective rib 78 projects outward from the surface 73S of the plate 73. As described above, since the protective rib 78 projecting so as to surround the periphery of the plate 73 is formed on the surface 71S of the cover 72 on which the plate 73 is assembled, interference with other members (parts such as other wire harnesses) is provided. To prevent the plate 73 from being damaged and the plate 73 from coming off the cover 72.

The technical scope of the present invention is not limited by the above-described embodiment. For example, the followings are also included in the technical scope of the present invention. In addition, the technical scope of the present invention extends to an equivalent range. (1) In the above embodiment, the housing 4 is capable of accommodating the female terminal fitting 2, but according to the present invention,
The terminal fittings may be male. (2) In the above-described second embodiment, the locking projection 55 and the locking hole 53 are provided at the four corners around the area where the electric wire insertion hole 29 is formed. It is only necessary that they be provided at a pair of positions.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a waterproof connector according to a first embodiment.

FIG. 2 is a front view of a cover.

FIG. 3 is a perspective view showing a state before a dummy plug is attached to the waterproof connector.

FIG. 4 is a perspective view of a waterproof connector before mating with a mating housing.

FIG. 5 is a side sectional view of a waterproof connector.

FIG. 6 is a rear view when the waterproof connector and the mating housing are fitted to each other.

FIG. 7 is a sectional view taken along line AA in FIG. 6;

FIG. 8 is a sectional view taken along line BB in FIG. 6;

FIG. 9 is a sectional view taken along line CC in FIG. 6;

FIG. 10 is an exploded perspective view of a waterproof connector according to the second embodiment.

FIG. 11 is a perspective view showing the front side of a plate.

FIG. 12 is a front view of a cover.

FIG. 13 is a perspective view of a waterproof connector before mating with a mating housing.

FIG. 14 is a side sectional view of a waterproof connector.

FIG. 15 is a rear view when the waterproof connector and the mating housing are fitted to each other.

16 is a sectional view taken along line DD in FIG.

17 is a sectional view taken along line EE in FIG.

18 is a sectional view taken along line FF in FIG.

FIG. 19 is a partially enlarged view showing a state inside a circle S in FIG. 18;

FIG. 20 is an exploded perspective view of a waterproof connector according to the third embodiment.

FIG. 21 is a perspective view of an assembled state of the waterproof connector.

FIG. 22 is a sectional view of an assembled state of the waterproof connector.

FIG. 23 is an exploded perspective view of a conventional waterproof connector.

FIG. 24 is a side sectional view of a waterproof connector in a conventional example.

[Explanation of symbols]

 1, 50, 70 ... waterproof connector 2 ... terminal metal fittings 3 ... cavity 4 ... housing 6 ... mating housing 7, 51, 71 ... waterproof member 8, 56, 72 ... cover 20, 21 ... housing waterproof part 29, 74 ... electric wire Insertion hole 34: Opening on the entire surface 39, 61 ... Dummy plug 53, 77 ... Locking holes 54, 73 ... Plates 55, 76 ... Locking projections 59, 75 ... Electric wire passage 78 ... Protective rib W: Electric wire

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Koji Nemoto 1-114, Nishisuehiro-cho, Yokkaichi-shi, Mie Sumitomo Wiring Systems, Ltd. (72) Inventor Masanori Wakui 1-Toyota-cho, Toyota-shi, Aichi Pref. Inside the company (72) Inventor Keiichi Ito 1 Toyota Town, Toyota City, Aichi Prefecture Inside Toyota Motor Corporation (72) Inventor Kazuyuki Shiraki 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Motor Corporation F-term (reference) 5E087 EE14 FF06 FF13 GG25 GG26 LL03 LL04 LL12 LL17 MM05 RR12 RR25

Claims (5)

[Claims] A housing provided with a plurality of cavities capable of accommodating terminal fittings; an electric wire insertion hole disposed at a rear side of the housing and through which an electric wire connected to the terminal fittings can be inserted in a watertight manner. A waterproof member including a mating housing fitted to the housing and a housing waterproof portion for maintaining a watertight state between the housing and a waterproof member provided on a rear side of the waterproof member and assembled to the housing; A waterproof connector provided with a cover for retaining and retaining the waterproof member, wherein the cover is provided with a full opening capable of opening a rear opening of the electric wire insertion hole of the waterproof member collectively to the rear. A waterproof connector characterized by the following. 2. A rear end portion of the waterproof member faces the inside of the entire opening, and a rear end surface of the waterproof member is located substantially flush with or inward with a rear end surface of the cover. The waterproof connector according to claim 1. 3. A plate is assembled to the whole surface opening, and a plate through which the electric wire can be inserted is provided at a position corresponding to a cavity to be used among the cavities. 2. The waterproofing device according to claim 1, wherein a dummy plug that can be inserted into an electric wire insertion hole of the waterproofing member is provided at a position corresponding to the unused cavity while the opening is provided. connector. 4. The waterproof member is provided with at least a pair of locking holes at positions facing each other around a region where the electric wire insertion hole is formed, and the plate is engaged with the locking hole. The waterproof connector according to claim 3, wherein a possible locking projection is provided. 5. A protection in a form in which the surface of the cover on which the plate is to be assembled protrudes so as to surround the periphery of the plate, and the protruding end surface protrudes flush with the surface of the plate or more outward. The waterproof connector according to claim 3 or 4, wherein a rib is formed.