JP2003123895A - Electric connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric connector having small size which is made possible by making the pitch between terminals small, having terminals prevented from buckling, further, not requiring high locking accuracy for the prevention of buckling. SOLUTION: A seal member 30 having a plurality of hole parts 33 is made to closely contact an end surface part 11a of a locking protrusion part 11 of a female connector 10 by making the hole part 33 conform with an opening part 13A of a terminal mounting hole part 13 of the locking protrusion part 11. A fitting part 22, located at a base part of terminals 23, is formed to a fitting concave part 21 of a male connector 20. The fitting part 22 is inserted into a hole part 33 when the terminal 23 of the male side connector 20 is made to touch a female terminal 15, and the fitting part is made to closely contact with the seal member 30.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art As a conventional waterproof type electrical connector,
There are an electric connector disclosed in Japanese Patent Laid-Open No. 11-162555, an electric connector disclosed in Japanese Utility Model Laid-Open No. 6-86277, an electric connector disclosed in Japanese Patent Laid-Open No. 2000-348813, and the like.

As shown in FIG. 16, Japanese Laid-Open Patent Publication No. 11-162.
The electrical connector disclosed in Japanese Patent No. 555 is a female connector 5
0 and a male connector 60. Further, the female connector 50 is provided with a concave portion 51, a bottom surface portion 51a of the concave portion 51 is formed with a fitting portion 52, and an end surface portion 52a of the fitting portion 52 has a fitting convex portion 53. A large number are formed in the left-right direction across the upper and lower two stages,
In the fitting portion 52, a large number of terminal mounting hole portions 54 are formed in the upper and lower two stages at predetermined intervals in the left-right direction, and these terminal mounting hole portions 54 are formed on the end surface portion of the fitting convex portion 53. It is open. Then, female terminals 55 are mounted in these terminal mounting holes 54.

A female seal member 56 is provided in the recess 51.
Is attached. That is, the female-side sealing member 56 has a fitting portion covering portion 56A that comes into close contact with the fitting portion 52 and a fitting convex portion covering portion 56B that comes into close contact with a large number of fitting convex portions 53. A hole 56a is formed on the end face of 56B. Then, the fitting portion covering portion 56A is brought into close contact with the fitting portion 52, and the convex portion covering portion 56B is brought into close contact with the fitting convex portion 53, so that the female seal member 56 is mounted in the concave portion 51.

The male connector 60 has a fitting recess 6 on its front surface.
1. The bottom surface 61a of the fitting recess 61 is provided with a large number of protrusions 62 in two horizontal steps at predetermined intervals in the left-right direction. A large number of male terminals 63 are arranged in a state of penetrating the projecting portion 62.

Then, the female connector 50 and the male connector 60
When they are combined with each other, the fitting portion 52 of the female connector 50
Also, the fitting convex portion 53 fits into the fitting concave portion 61 of the male connector 60, the protrusion 62 presses the front surface of the fitting convex portion covering portion 56B of the female side seal member 56, and the male terminal 63 contacts the female terminal 55. Let

The electrical connector disclosed in Japanese Utility Model Laid-Open No. 6-86277 is composed of a female connector 70 and a male connector 80 as shown in FIG. A plurality of fitting portions 71 are formed on the female connector 70 in two steps vertically and at predetermined intervals in the left-right direction.
A terminal mounting hole 72 is formed in the fitting portion 71,
These terminal mounting hole portions 72 are opened at the end surface portions of the respective fitting portions 71. Then, these terminal mounting hole portions 7
1, a female terminal 73 is attached.

Further, the male connector 80 is provided with a fitting recess 81 on the front surface thereof, and a seal member mounting portion 82 is provided on the bottom side of the fitting recess 81, and this sealing member mounting portion 82 is provided. A seal member 84 having an insertion portion 83 into which the plurality of fitting portions 71 of the female connector 70 is inserted is attached. The seal member 84 is the seal pressing member 85.
It has been held down by. A large number of male terminals 85 are arranged on the bottom surface of the fitting recess 81 so as to penetrate the bottom surface.

Then, the female connector 70 and the male connector 80
When they are combined with each other, the fitting portion 71 of the female connector 70
Is inserted into the insertion portion 83 of the seal member 84 of the male connector 80, and the male terminal 85 is brought into contact with the female terminal 73.

The electrical connector disclosed in Japanese Patent Laid-Open No. 2000-348813 is composed of a female connector 90 and a male connector 100 as shown in FIG. A fitting portion 91 is formed in the female connector 90, and a large number of terminal mounting hole portions 92 are formed in the fitting portion 91 in a horizontal direction at predetermined intervals in two upper and lower stages. These terminal mounting hole portions 92 are fitted in the respective fitting portions 91.
It has an opening at the end face. Then, female terminals 93 are mounted in these terminal mounting holes 91. The seal member 94 is provided on the front surface side of the fitting portion 91 and the insertion hole portion 95a.
It is attached by being pressed by a seal pressing member 95 having a.

The male connector 100 has a fitting recess 101 on the front surface thereof, and a large number of male terminals 102 are arranged on the bottom side of the fitting recess 101 so as to penetrate the bottom side. is there.

Then, the female connector 90 and the male connector 10
In the case of coupling with 0, the fitting portion 9 of the female connector 90
1 is fitted into the fitting recess 101 of the male connector 100, the male terminal 102 is inserted into the seal member 94 through the insertion hole 95a, and is brought into contact with the female terminal 93.

[0013]

However, in the electric connector disclosed in the above-mentioned conventional Japanese Patent Laid-Open No. 11-162555, the female seal member 56 is fitted with the fitting portion covering portion 56A. While closely contacting the part 52,
The convex portion covering portion 56B is closely attached to the fitting convex portion 53 and attached to the fitting portion 52. That is, since there is the convex portion coating portion 56B on the outer peripheral portion of the fitting convex portion 53 in which the terminal mounting hole portion 54 in which the female terminal 55 is mounted is opened, the adjacent female terminals 5
The pitch of 5 was increased by the thickness of the female side seal member 56 interposed between the adjacent fitting convex portions 53.

Further, each female terminal 55 itself needs to have a certain thickness or more in relation to the amount of current, and the thickness between each terminal mounting hole portion 54 of the housing also needs to be more than or equal to certain in terms of certain strength. Yes, the thickness of each female terminal 55 is made thin, and the thickness between each terminal mounting hole 54 of the housing is made thin so that the thickness of the female seal member 56 interposed between the adjacent fitting protrusions 53. It is difficult to make up for that.

Due to these things, the adjacent fitting convex portions 5
The pitch of the female terminals 55 adjacent to each other is increased by the thickness of the female seal member 56 interposed between the female connector 5 and the female connector 5.
However, there is a problem in that the size of 0 is increased and the size of the electrical connector is increased.

Also, the above-mentioned conventional actual flat opening 6-8627 is used.
In the electrical connector disclosed in Japanese Unexamined Patent Publication No. 7, the male connector 80 has the female connector 7 on the bottom side of the fitting recess 81.
A seal member 84 having an insertion portion 83 into which a plurality of zero fitting portions 71 are inserted is attached. And the female connector 7
When 0 and the male connector 80 are coupled, the fitting portion 71 of the female connector 70 is inserted into the insertion portion 83 of the seal member 84. That is, the seal member 84 is arranged outside the fitting portion 71 in which the terminal mounting hole portion 72 in which the female terminal 73 of the female connector 70 is mounted is opened. The thickness of the seal member 84 interposed between the adjacent fitting portions 71 is increased. Therefore, there is a problem in that the female connector 70 becomes large and the electric connector becomes large.

Further, in the electric connector disclosed in Japanese Patent Laid-Open No. 2000-348813, the female connector 90 is used.
When the male connector 100 is coupled with the male connector 100, the male terminal 1
02 is inserted into the seal member 94 and brought into contact with the female terminal 93.

In this case, the male terminal 102 comes into direct contact with the seal member 94, so that the fitting portion 91 of the female connector 80 is fitted into the fitting concave portion 101 of the male connector 100 at the time of connection.
There is a problem that the male terminal 102 buckles when it is fitted at a slight angle.

Further, in order to prevent the male terminal 102 from buckling, a high fitting precision is required so that the fitting portion 91 of the female connector 80 fits into the fitting recess 101 of the male connector 100 without tilting. In order to obtain this high mating accuracy,
There was a problem that a guide etc. had to be provided.

The present invention has been made in view of the above problems, and an object thereof is to make it possible to reduce the pitch between terminals and reduce the overall size. (EN) It is possible to provide an electric connector that can prevent the buckling of a terminal and that does not require high fitting accuracy because the terminal does not buckle.

[0021]

In order to achieve the above object, an electrical connector according to the present invention comprises one connector and the other connector coupled to the one connector, the one connector comprising: The housing has a fitting protrusion, and a plurality of terminal mounting hole portions are formed in this fitting protrusion so that each end of the fitting mounting portion is open to the end face portion of the fitting protrusion. One of the terminals is mounted in the hole, and the other connector has a fitting recess in the housing, and a plurality of the other terminals are projected into the fitting recess to fit the fitting projection in the fitting recess. An electrical connector in which one of the terminals is brought into contact with the other terminal by fitting the parts,
A sealing member having a plurality of holes is attached to the end surface of the fitting protrusion by bringing the holes into communication with the openings of the terminal mounting holes,
The fitting recess is provided with a fitting portion which is located at the base portion of the other terminal and fits into the hole portion, and when the one and the other terminals are in contact with each other, the fitting portion is fitted into the hole portion to bring the fitting portion into close contact with the seal member. It was done like this.

With this structure, the end surface of the fitting protrusion is
Attaching a seal member having a plurality of holes, keeping the holes in close contact with the openings of the plurality of terminal mounting holes,
An insertion member is inserted into the hole of the seal member so as to keep the fitting member and the seal member in close contact with each other, and the adjacent terminal mounting hole portions provided on the fitting protrusion are separated from each other. , For example, since there is no seal member, it is possible to make the pitch between the openings of the terminal mounting holes, that is, the pitch between one terminal, smaller than that of the conventional electric connector, and to reduce the overall size of the electric connector. be able to.

Further, the fitting portion is fitted into the hole portion of the seal member, the fitting portion and the seal member are kept in close contact with each other, and one and the other terminals are brought into contact with each other, and the other terminal is directly connected to the seal member. Since there is no contact with the other terminal, there is no risk of the other terminal buckling.

Further, since the fitting portion is fitted in the hole portion of the seal member, the fitting convex portion fits into the fitting concave portion without tilting, and the other terminal is prevented from buckling. In addition, high fitting accuracy is not required.

Further, the electric connector according to the present invention is the electric connector according to the above-mentioned present invention, wherein the fitting portion is a projecting portion which is projectingly provided on the bottom surface of the fitting recess and through which the other terminal penetrates.

With this structure, the fitting portion is formed easily by forming the fitting portion by the protruding portion provided on the bottom surface of the fitting concave portion with which the fitting convex portion is fitted.

Further, the electric connector according to the present invention is the electric connector according to the above-mentioned present invention, wherein the fitting portion is a large-diameter portion formed on the base portion of the other terminal.

With this structure, the large diameter portion is formed on the base portion of the other terminal, and the large diameter portion is used as the fitting portion, so that the fitting portion can be easily formed.

Further, the electric connector according to the present invention is the electric connector according to the above-mentioned present invention, wherein the fitting portion is a projection portion projecting from a seal member mounted in the fitting recess and having the other terminal penetrating therethrough. is there.

With this configuration, when the seal member is mounted in the fitting recess, the fitting portion can be easily formed by using the projection provided on the sealing member as the fitting portion.

Further, the electric connector according to the present invention is the electric connector according to the present invention described above, in which the seal member is held by the seal pressing member on the end face portion of the fitting convex portion.

With this structure, the seal pressing member can press the seal member against the end surface portion of the fitting convex portion, and the adhesion of the seal member to the end surface portion of the fitting convex portion can be improved.

The electrical connector according to the present invention is the electrical connector according to the present invention described above, in which a seal member is adhered to the end face portion of the fitting projection.

With this configuration, it is possible to improve the adhesion of the fitting convex portion of the seal member to the end face portion and to eliminate the seal pressing member. By eliminating the seal pressing member, one of the connectors can be downsized. It is possible to reduce the size of the entire electrical connector.

Further, the electric connector according to the present invention is the same as the above-mentioned electric connector according to the present invention, by two-color molding including injection molding of a housing made of synthetic resin and injection molding of a seal member made of a self-adhesive type selective adhesive material. The sealing member is adhered to the end surface portion of the fitting convex portion.

With this configuration, it is possible to improve the adhesion of the fitting convex portion of the seal member to the end face portion, and to eliminate the seal pressing member. By eliminating the seal pressing member, one of the connectors can be downsized. As a result, not only can the overall size of the electrical connector be reduced, but also the work of bonding with an adhesive can be eliminated.

Further, the electric connector according to the present invention comprises one connector and the other connector coupled to the one connector, and the one connector has a fitting convex portion on its housing, A plurality of terminal mounting hole portions are formed in the mating convex portion so that each end portion opens to the end surface portion of the fitting convex portion, and one terminal is mounted in these terminal mounting hole portions, and the other terminal mounting hole portion is formed. Connector has a fitting recess in its housing, and a plurality of the other terminals are projected into this fitting recess, and the fitting projection is fitted in the fitting recess to allow one terminal and the other An electrical connector adapted to be brought into contact with a terminal, wherein a plurality of terminal mounting hole portions are opened at the end face portion of the fitting convex portion as a seal fitting portion, and the fitting concave portion is fitted to the fitting concave portion side. There is a seal, and the mating recess side seal A fitting portion that is located at the base of the child and fits into the hole is provided, and the fitting portion is brought into close contact with the seal fitting portion by fitting the fitting portion into the seal fitting portion when one terminal contacts the other terminal. It is a thing.

With this structure, since there is no inclusion, such as a sealing member, which separates the adjacent terminal mounting hole portions provided in the fitting convex portion, the space between the terminal mounting hole portions, that is, between the female terminals. The pitch can be made smaller than that of the conventional electrical connector, and the overall size of the electrical connector can be reduced.

Further, the fitting portion of the fitting recess side seal is fitted into the seal fitting portion, the fitting portion and the seal fitting portion are kept in close contact, and the terminals are brought into contact with each other. Since there is no contact, there is no risk of the terminals buckling.

Further, since the fitting portion of the fitting concave side seal is fitted into the seal fitting portion, the fitting convex portion fits into the fitting concave portion without tilting, and the terminal does not buckle. Therefore, high fitting accuracy is not required.

Further, since the seal member and the seal pressing member are eliminated from the one connector, this one connector can be downsized and the entire electrical connector can be downsized. .

Further, the electric connector according to the present invention is the same as the above-mentioned electric connector according to the present invention, wherein the housing is made of synthetic resin and the fitting recess side seal is made of self-adhesive type selective adhesive material. The fitting recess side seal is provided in the fitting recess by color molding.

With this structure, it is possible to improve the adhesion of the fitting recess side seal to the fitting recess and eliminate the work of bonding with an adhesive.

Further, the electric connector according to the present invention is the electric connector according to the above-mentioned present invention, wherein the fitting recess side seal is a synthetic resin plate having substantially the same shape as the end face portion of the fitting recess, and this synthetic resin plate. Holes through which terminals are provided through the seal plate portion, the synthetic resin plate and the fitting portion, and a large number of fitting portions integrally bonded and molded on the surface of the Each section is provided.

With this structure, the fitting recess side seal is
The terminal is arranged in the fitting recess with the hole penetrating the hole, and the sealability can be maintained by bringing the seal plate portion into close contact with the bottom surface of the fitting recess.

[0046]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.

(Embodiment 1) Embodiment 1 of the present invention is shown in FIGS. FIG. 1 is a vertical cross-sectional view of an electrical connector (Embodiment 1) of the present invention before coupling female and male connectors, FIG. 2 is a vertical cross-sectional view of female connectors, and FIG. 3 is a diagram of female and male connectors. It is a longitudinal cross-sectional view of a combined state.

Electrical Connector of the Present Invention (Embodiment 1)
As shown in FIG. 1, is composed of a female connector 10 which is one connector, and a male connector 20 which is the other connector to which the female connector 10 is coupled.

The female connector 10 comprises a female housing 10A made of synthetic resin, a single pole seal member 30 provided on the female housing 10A, and a seal for mounting the seal member 30 on the female housing 10A. Holding member 40 and female terminal 1 provided in female housing 10A
5 and 5.

The female connector 10 has a flat, oblong fitting protrusion 11 on the front of the female housing 10A.
A seal pressing member mounting portion 17 and a seal member mounting portion 18 located on the front side of the seal pressing member mounting portion 17 are formed on the periphery of the fitting convex portion 11. Further, the hood cover portion 12 is provided around the fitting convex portion 11, and an annular space portion 19 is formed between the hood cover portion 12 and the peripheral portion of the fitting convex portion 11. In addition, the hood cover section 12
A lock lever portion 16 is arranged at the rear portion.

The fitting protrusion 11 is provided with a large number of terminal mounting holes 13 penetratingly formed along the fitting direction in three stages of upper, lower and middle, which are arranged side by side. 13 is open at the end face of the fitting protrusion 11. Each terminal mounting hole 1
A lance 14 is provided in the housing 3, and a female terminal 15, which is one terminal to which the electric wire W is connected, is retained by the lance 14 in the terminal mounting hole 13. in this case,
Since the female terminal 15 is provided with the monopolar waterproof rubber 15A, the monopolar waterproof rubber 15A is in close contact with the inner surface of the terminal mounting hole 13 for waterproofing, and the female housing 1
The back side of 0A is waterproof by a waterproof structure (not shown).

As shown in FIGS. 2 and 4, the seal member 30 corresponding to a single pole has a flat plate-shaped seal body 31 having substantially the same shape as the front surface portion 11a of the fitting projection 11, and a peripheral portion of the seal body 31. The seal body 31 has a plurality of holes 33 formed at a predetermined pitch over the upper, lower, and middle three stages. It has an elliptical shape that is long in the vertical direction. The opening area of these holes 33 is slightly smaller than the area of the cross section of the fitting portion 22 described later.

Then, on the peripheral surface of these holes 33,
At the center thereof, a close contact seal portion 33a is formed which is continuously raised in the circumferential direction. In addition, a continuous sticking seal portion 33b is formed on the front side of the seal body 31 of the seal member 30 so as to surround the hole portion 33.
On the back side of the seal body 31 is also formed a continuous sticking seal portion 33c so as to surround the hole 33. Further, the outer peripheral surface of the peripheral wall portion 32 of the seal member 30 is formed with two contact seal portions 32a that are continuously raised in the circumferential direction.

As shown in FIGS. 2 and 4, the seal retainer member 40 is formed on a flat plate-like retainer portion 41 having substantially the same shape as the seal main body 31 of the seal member 30 and the peripheral portion of the retainer portion 41. And a peripheral wall portion 42 that is
A large number of holes 43 are formed at a predetermined pitch over the upper, lower, and middle three stages, and these holes 43 have a substantially elliptical shape that is long in the vertical direction.

A seal member 30 is attached to the seal member attachment portion 18 of the fitting convex portion 11 and the seal member 3 is attached.
The peripheral wall portion 32 of 0 is in close contact with the seal member mounting portion 18, and the flat seal body 31 of the seal member 30 is in close contact with the end surface portion 11 a of the fitting convex portion 11. Then, the hole 33 provided in the seal body 31 corresponds to the end surface portion 1 of the fitting convex portion ll.
It coincides with the opening 13A of the terminal mounting hole 13 in 1a.

The seal pressing member 40 is mounted on the seal pressing member mounting portion 17 of the fitting projection 11 so as to cover the seal member 30. In this case, the peripheral wall portion 42 of the seal pressing member 40 is in close contact with the peripheral wall portion 32 of the seal member 30, and the flat plate-shaped pressing portion 41 of the seal pressing member 40 is in close contact with the seal body 31 of the seal member 30. The hole portion 43 provided in the pressing portion 41 corresponds to the hole portion 33 provided in the seal body 31.

When the seal retainer member 40 presses the seal member 30 so as to cover it, the retainer portion 41 on the front surface of the seal retainer member 40 uniformly compresses the seal member 30 over the entire surface thereof and the terminal mounting hole portion 13 It is brought into close contact with the periphery of the opening 13A. The seal portion 33b for close contact on the front side of the seal member 30
Is in close contact with the back surface of the pressing portion 41 of the seal pressing member 40, and the contact sealing portion 33c on the back side of the seal member 30 is in close contact with the end surface portion 11a of the fitting convex portion 11.

Further, the close contact seal portion 32a on the outer surface of the peripheral wall portion 32 of the seal member 30 is in close contact with the inner surface of the peripheral wall portion 42 of the seal pressing member 40.

The male side connector 20 is, as shown in FIG.
A male side housing 20A made of synthetic resin and formed in a flat and oblong shape is provided, and a fitting recess 21 surrounded by a tubular portion 20B is provided at the front part of the female side housing 20A. A large number of fitting portions 22 are formed on the bottom surface portion 21A of the fitting concave portion 21 in three steps of upper, lower and middle. These fitting portions 22 are protruding portions that are provided on the bottom surface portion 21A of the fitting concave portion 21 so as to project. A locking projection 24 is formed on the outer surface of the tubular portion 20B. The female housing 20 </ b> A has a plurality of terminals 23 arranged in the fitting recess 21 from the back side thereof, and these terminals 23 penetrate the fitting portion 22.

Next, the male connector 20 and the female connector 1
The fitting work with 0 will be described.

As shown in FIG. 3, the fitting convex portion 11 in which the seal member 30 is assembled by the seal pressing member 40 is inserted into the fitting concave portion 21, and the terminal 23 of the male housing 20A is inserted.
The fitting portion 22 and the fitting portion 22 are fitted into the hole portion 33 of the seal member 30 from the hole portion 43 of the seal pressing member 40, and the terminal 2
3 into the terminal mounting hole 13 to insert the terminal mounting hole 1
3 is brought into contact with the female terminal I5 in the male side housing 20A.
The locking projection 24 provided on the female housing 10A is detachably engaged with the locking lever portion 16 of the female housing 10A so that the female and male connectors 10 and 20 are coupled.

In this case, by fitting the fitting portion 22 into the hole portion 33 of the seal member 30, the sealing seal portion 33a on the peripheral surface portion of the hole portion 33 comes into close contact with the peripheral portion of the fitting portion 22 to exert a waterproof function. become.

The electrical connector configured as described above is
Before the female and male side connectors 10 and 20 are fitted to each other, the seal pressing member 40 presses the seal member 30 against the end surface portion 11a of the fitting convex portion 11, and the seal member 30 and the terminal mounting hole portion 13 are provided.
To maintain close contact with the opening 13A. After that, the fitting portion 22 is penetrated through the hole portion 33 of the seal member 30 to keep the outer periphery of the fitting portion 22 and the seal member 30 in close contact with each other.
A seal between 3 is made.

In this way, the female and male side connectors 10, 20
In the state in which the seal members 30 are fitted to each other, the sealing portion 33b on the front side of the seal body 31 of the seal member 30 has the seal pressing member 4
0 is closely attached to the back surface of the pressing portion 41, and the seal body 31
The close contact seal portion 33c on the back side of the seal contact the end face portion 11a of the fitting convex portion 11, and further, the peripheral wall portion 32 of the seal member 30.
Since the sealing portion 32a for close contact with the outer surface of the contact portion is in close contact with the inner surface of the peripheral wall portion 42 of the seal pressing member 40 and the outer periphery of the fitting portion 22 is in close contact with the seal member 30, the water into the terminal mounting hole portion 13 is There is no penetration and a reliable seal will be obtained.

Further, the seal pressing member 40 has the pressing portion 4
At 1, the end surface portion 11a of the seal member 30 is uniformly compressed over the entire surface. Therefore, since the close contact between the seal member 30 and the periphery of the opening 13A of the terminal mounting hole portion 13 and the close contact between the seal member 30 and the outer peripheral portion of the fitting portion 22 can be uniformly maintained, it is possible to improve the seal performance. Become.

As described above, according to the first embodiment,
A seal member 30 having a plurality of holes 33 is attached to the end surface portion 11a of the fitting convex portion 11, and the hole portion 11 is brought into close contact with the opening 13A of the terminal mounting hole portion 13 to keep close contact with the seal member 30. The fitting portion 22 is fitted in the hole portion 33 of the fitting member 22 so that the fitting portion 22 and the sealing member 30 are kept in close contact with each other.
Since there is no inclusion, such as a seal member, that separates the terminals from each other, the pitch between the openings 13A of the terminal mounting hole portion 11, that is, the female terminals 15 can be made smaller than that of a conventional electric connector. The overall size of the electrical connector can be reduced.

Further, the fitting portion 22 is fitted into the hole portion 33 of the sealing member 30, and the fitting portion 22 and the sealing member 30 are kept in close contact with each other to bring the terminals 15 and 23 into contact with each other.
Since the terminal 23 does not directly contact the seal member 30, there is no risk of the terminal 23 buckling.

Further, since the fitting portion 22 is fitted into the hole portion 33 of the seal member 30, the fitting convex portion 22 becomes the fitting concave portion 21.
Since the terminals 23 are fitted without tilting and the terminals 23 are prevented from buckling, high fitting accuracy is not required.

(Second Embodiment) FIG. 6 shows a second embodiment of the present invention.

The second embodiment of the present invention is different from the above-described first embodiment of the present invention in the male side connector 20-1, and the female side connector 10-1 is the above-described embodiment of the present invention. Since the female connector 10 has the same configuration as that of the female connector 10 in FIG.

In the male-side connector 20-1, the male-side housing 20A has a fitting concave portion 21 surrounded by a tubular portion 20B at its front portion, and the fitting concave portion 21 has a bottom surface portion 2
1A has a large number of terminals 23-1, which are the other terminals, arranged in three stages of upper, lower, and middle. These terminals 2
3-1 is a configuration having a contact portion 26 at the front end portion of the fitting portion 25 and a lead portion 27 at the rear end portion of the fitting portion 25.
That is, the fitting portion 25 is a large diameter portion formed on the base portion of the terminal 23-1. The lead portion 27 of the terminal 23-1 is attached to the male housing 20A with the lead portion 27 penetrating the bottom surface portion 21A of the fitting recess 21.

Then, the fitting convex portion 11 of the female connector 10-1 in which the seal member 30 is assembled by the seal pressing member 40 is inserted into the fitting concave portion 21, and fitted into the contact portion 26 of the terminal 23-1. The part 25 and the seal pressing member 40.
While being fitted into the hole portion 33 of the seal member 30 from the hole portion 43, the contact portion 26 of the terminal 23-1 is inserted into the terminal mounting hole portion 13 to contact the female terminal 15 in the terminal mounting hole portion 13. Then, the locking projection 24 is releasably locked to the locking lever portion 16, and the female and male side connectors 10-
1, 20-1 are combined.

In this case, by fitting the fitting portion 25 into the hole portion 33 of the seal member 30, the sealing seal portion 33a on the peripheral surface portion of the hole portion 33 comes into close contact with the peripheral portion of the fitting portion 25 to exert a waterproof function. become.

In this way, the female and male side connectors 10-1,
In the state in which the 20-1s are connected to each other, the sealing portion 33b on the front side of the seal body 31 of the seal member 30 adheres to the back surface of the pressing portion 41 of the seal pressing member 40, and the sealing side of the back side of the seal body 31 is adhered. The sealing portion 33c is the fitting convex portion 11
Of the sealing member 30. Further, the sealing portion 32a for contacting the outer surface of the peripheral wall portion 32 of the seal member 30 closely adheres to the inner surface of the peripheral wall portion 42 of the seal pressing member 40 for waterproofing. Since the outer periphery of the terminal is in close contact with the seal member 30, water does not enter the terminal mounting hole portion 13 and reliable sealing is performed.

As described above, according to the second embodiment,
A seal member 30 having a plurality of holes 33 is attached to the end surface portion 11a of the fitting convex portion 11, and the hole 33 is kept in close contact with the opening 13A of the terminal mounting hole 13 so as to keep close contact with the seal member 30. The fitting portion 25 is fitted in the hole portion 33 of the fitting member 25 so that the fitting portion 25 and the sealing member 30 are kept in close contact with each other.
Since there is no inclusion, such as a seal member, that separates the terminals from each other, the pitch between the openings 13A of the terminal mounting hole portion 11, that is, the female terminals 15 can be made smaller than that of a conventional electric connector. The overall size of the electrical connector can be reduced.

Further, the fitting portion 25 is fitted into the hole portion 33 of the sealing member 30, and the fitting portion 25 and the sealing member 30 are kept in close contact with each other so that the terminals 15 and 23-1 are brought into contact with each other. Since -1 does not directly contact the seal member 30, there is no possibility that the terminal 23-1 will buckle.

Further, since the fitting portion 25 is fitted into the hole portion 33 of the seal member 30, the fitting convex portion 25 is fitted into the fitting concave portion 21.
Since the terminals 23 are fitted without tilting and the terminals 23 are prevented from buckling, high fitting accuracy is not required.

(Third Embodiment) FIG. 7 shows a third embodiment of the present invention.

The third embodiment of the present invention is different from the above-described first embodiment of the present invention in the male side connector 20-2, and the female side connector 10-2 is the above-described embodiment of the present invention. Since the female connector 10 has the same configuration as that of the female connector 10 in FIG.

In the male-side connector 20-2, the male-side housing 20A has a fitting concave portion 21 surrounded by a tubular portion 20B at the front portion thereof, and the bottom surface portion 2 of the fitting concave portion 21.
1A has a large number of terminals 2 which are the other terminals in a state of penetrating the bottom surface portion 21A over three stages of upper, lower and middle.
3 is attached.

A male-side seal member 28, which is a fitting-recess-side seal, is mounted in the fitting recess 21. That is, the male seal member 28 has a large number of fitting portions 29 formed in a plate portion 29a having substantially the same shape as the bottom surface portion 21A at a predetermined pitch in the left-right direction over three steps of upper, lower and middle. These fitting portions 29 are projections projectingly provided on the male-side seal member 28.
A terminal insertion hole 29b is provided in the terminal.

Then, with the terminal 23 penetrated through the terminal insertion hole 29b, the male side seal member 28 makes the plate portion 29a of the male seal member 28 in close contact with the bottom surface portion 21A.
It is installed inside 1.

Then, the fitting convex portion 11 of the female connector 10-2 in which the seal member 30 is assembled by the seal pressing member 40 is inserted into the fitting concave portion 21, and the terminal 23 and the male sealing member 28 are fitted. The part 29 is fitted into the hole 33 of the seal member 30 from the hole 43 of the seal pressing member 40, and the terminal 23 is inserted into the terminal mounting hole 13 to form the female terminal in the terminal mounting hole 13. 15, the locking projection 24 is releasably locked to the locking lever portion 16 to couple the female and male side connectors 10-2, 20-2.

In this case, the fitting portion 2 of the male seal member 28
When the sealing member 30 of 9 is fitted into the hole 33, the hole 3
The sealing portion 33a for close contact with the peripheral surface portion of No. 3 adheres to the peripheral portion of the fitting portion 29 to exert a waterproof function.

In this way, the female and male side connectors 10-2,
In the state in which the two 20-2 are joined together, the sealing portion 33b on the front side of the seal body 31 of the seal member 30 adheres to the back surface of the pressing portion 41 of the seal pressing member 40, and the sealing side of the back side of the seal body 31 for adhesion. The sealing portion 33c is the fitting convex portion 11
Of the male seal member 2 and the end face portion 11a of the seal member 30 and the sealing member 32a of the outer surface of the peripheral wall portion 32 of the seal member 30 adheres closely to the inner surface of the peripheral wall portion 42 of the seal pressing member 40.
Since the outer periphery of the fitting portion 29 of No. 8 is in close contact with the seal member 30, water does not enter the terminal mounting hole portion 13 and reliable sealing is performed.

As described above, according to the third embodiment,
A seal member 30 having a plurality of holes 33 is attached to the end surface portion 11a of the fitting convex portion 11, and the hole 33 is kept in close contact with the opening 13A of the terminal mounting hole 13 so as to keep close contact with the seal member 30. The fitting portion 29 is fitted into the hole portion 33 of the plug so that the fitting portion 29 and the sealing member 30 are kept in close contact with each other.
Since there is no inclusion, such as a seal member, that separates the terminals from each other, the pitch between the openings 13A of the terminal mounting hole portion 11, that is, the female terminals 15 can be made smaller than that of a conventional electric connector. The overall size of the electrical connector can be reduced.

Further, the fitting portion 29 is fitted into the hole portion 33 of the sealing member 30, and the fitting portion 29 and the sealing member 30 are kept in close contact with each other to bring the terminals 15 and 23 into contact with each other.
Since the terminal 23 does not directly contact the seal member 30, there is no risk of the terminal 23 buckling.

Further, since the fitting portion 29 is fitted into the hole portion 33 of the seal member 30, the fitting convex portion 29 is fitted into the fitting concave portion 21.
Since the terminals 23 are fitted without tilting and the terminals 23 are prevented from buckling, high fitting accuracy is not required.

In the third embodiment described above, the seal member 30 is not always necessary, and the hole 33 may be simply formed by the housing. In this case, the seal pressing member 40 is unnecessary, and the seal pressing member 40 can be downsized by that amount, and the overall size of the electrical connector can be reduced.

(Embodiment 4) Embodiment 4 of the present invention is shown in FIGS.

Electrical Connector of the Present Invention (Embodiment 4)
Is composed of a female connector 10-3 which is one connector and a male connector 20-3 which is the other connector to which the female connector 10-3 is coupled.

The female connector 10-3 includes a female housing 10A, a single-pole-compatible seal member 30-3 formed integrally with the female housing 10A, and the female housing 1A.
It is composed of a female terminal 15 attached to 0A.

A flat, oblong fitting protrusion 11 is provided on the front of the female housing 10A. Also, the fitting protrusion 1
1 has a hood cover 12 around it, and an annular space 1 between the hood cover 12 and the periphery of the fitting protrusion 11.
9 is formed. A lock lever portion 16 is arranged at the rear of the hood cover portion 12.

The fitting protrusion 11 is provided with a large number of terminal mounting holes 13 penetrating along the fitting direction in three stages of upper, lower and middle, which are arranged side by side. 13 is open at the end face of the fitting protrusion 11. Each terminal mounting hole 1
A lance 14 is provided in the inside 3.

The seal member 30-3 has a flat plate-shaped seal main body 31 having substantially the same shape as the front surface portion 11a of the fitting convex portion 11, and the seal main body 31 has three stages of upper, lower and middle. A large number of holes 33 are formed over a predetermined pitch, and these holes 33 have an elliptical shape that is long in the vertical direction. The opening area of these holes 33 is slightly smaller than the area of the cross section of the fitting portion 22 described later.

Then, on the peripheral surface of these holes 33,
At the center thereof, a close contact seal portion 33a is formed which is continuously raised in the circumferential direction. Further, an outer peripheral surface of the peripheral wall portion 32 of the seal member 30 is formed with a contact seal portion 32a which is continuously raised in the circumferential direction.

The seal member 30-3 is made of a selective adhesive silicone rubber which is a selective adhesive material. The selective adhesive material has a characteristic that it adheres to the thermoplastic resin but does not adhere to the molding die.

Therefore, the injection molding of the female housing 10A made of a thermoplastic resin and the injection molding of the seal member 30-3 made of a self-adhesive type selective adhesive silicone rubber (liquid silicone rubber) are performed by integral adhesive molding (two-color molding). Front part 11a of fitting convex part 11 of female side housing 10A
The seal member 30-3 is molded on the. In this case, the sealing member 30-3 is bonded to the front surface portion 11a of the fitting convex portion 11, and the hole portion 33 of the sealing member 30-3 is the terminal mounting hole in the end surface portion 11a of the fitting convex portion ll. It coincides with the opening 13A of the portion 13.

Then, the female terminal 15 which is one terminal to which the electric wire W is connected is mounted in the terminal mounting hole portion 13 of the female housing 10A in a state of being locked to the lance 14 so that the female side The connector 10-3 is configured. In this case, since the female terminal 15 is provided with the monopolar waterproof rubber 15A, the monopolar waterproof rubber 15A is adhered to the inner surface of the terminal mounting hole 13 for waterproofing, and the female housing is also provided. The back side of 10A is waterproof by a waterproof structure (not shown).

Since male connector 20-3 has the same structure as male connector 20 in the first embodiment of the present invention described above, the same reference numerals are given and description thereof is omitted.

Next, the work of fitting the male connector 20-3 and the female connector 10-3 will be described.

As shown in FIGS. 8 and 9, the sealing member 30
-3 is inserted into the fitting concave portion 21, and the terminal 23 and the fitting portion 22 of the male housing 20A are fitted into the hole portion 33 of the seal member 30-3, and the terminal 23 is inserted. Into the terminal mounting hole 13 to contact the female terminal 15 in the terminal mounting hole 13, and the locking projection 24 provided on the male housing 20A is attached to the locking lever 16 of the female housing 10A. The female and male side connectors 10-3 and 20-3 are connected to the male and female connectors 10-3 and 20-3 so as to be releasably locked.

In this case, the seal member 30- of the fitting portion 22
By fitting 3 into the hole 33, the contact seal part 33a on the peripheral surface of the hole 33 comes into close contact with the peripheral part of the fit part 22 and exerts a waterproof function. There will be no infiltration and the reliable sealing will be performed.

Although the sealing member 30-3 is provided on the end portion 11a of the female housing 10A by adhesively molding it with the female housing 10A by two-color molding, the preformed sealing member 30-3 is fitted into the convex portion. The seal member 30-3 may be attached to the end portion 11a of the female housing 10A by adhering it to the end surface portion 11a of the portion 11 with an adhesive.

As described above, according to the fourth embodiment,
A seal member 30-3 having a plurality of holes 33 is adhered to the female housing 10A by two-color molding on the end surface portion 11a of the fitting convex portion 11 or a preformed seal member 30-3. Is attached to the end surface portion 11a of the fitting convex portion 11 with an adhesive or the like, and the hole portion 11 is kept in close contact with the opening 13A of the terminal mounting hole portion 13 to keep close contact with the seal member 30-3. The fitting portion 22 is fitted into the hole portion 33 so that the fitting portion 22 and the seal member 30-3 are kept in close contact with each other, and the adjacent terminal mounting hole portions 13 provided in the fitting convex portion 11 are separated from each other. Since there is no such inclusion, for example, a seal member, between the openings 13A of the terminal mounting hole portion 11,
That is, the pitch between the female terminals 15 can be made smaller than that of the conventional electrical connector, and the overall size of the electrical connector can be reduced.

Further, the fitting portion 22 is fitted into the hole 33 of the seal member 30-3, and the fitting portion 22 and the seal member 3 are fitted.
Since the terminals 15 and 23 are in contact with each other while keeping close contact with 0-3 and the terminal 23 does not directly contact the seal member 30-3, there is no possibility that the terminal 23 will buckle.

Further, since the fitting portion 22 is fitted into the hole portion 33 of the seal member 30-3, the fitting convex portion 22 fits into the fitting concave portion 21 without tilting, and the terminal 23 is seated. High fitting accuracy is not required to prevent bending.

Further, a seal member 30-3 having a plurality of holes 33 is adhered to the female housing 10A by two-color molding on the end surface portion 11a of the fitting convex portion 11 or is formed in advance. The sealing member 30-3 is fitted with the convex portion 11
It is attached by an adhesive to the end face part 11a of
Since the seal pressing member is eliminated, the peripheral wall portion 32 of the seal member 30 and the seal pressing member 4 in the female connector 10 according to the first embodiment of the present invention described above.
It becomes possible to eliminate zero, and the female side connector 10 is doubled by the sum of the thickness dimension of the peripheral wall portion 32 of the seal member 30 and the thickness dimension of the peripheral wall portion 42 of the seal pressing member 40.
-3 can be reduced.

(Fifth Embodiment) A fifth embodiment of the present invention is shown in FIGS.

Electrical Connector of the Present Invention (Embodiment 5)
Is composed of a female connector 10-4 which is one connector and a male connector 20-4 which is the other connector to which the female connector 10-4 is coupled.

The female connector 10-4 is composed of a female housing 10A and a female terminal 15 mounted on the female housing 10A.

A flat, oblong fitting protrusion 11 is provided at the front of the female housing 10A, and this fitting protrusion 11 is provided.
Has a terminal mounting hole portion 1 formed therethrough along the fitting direction.
3 are arranged side by side in three stages of upper, lower and middle, and the terminal mounting hole portion 13 has an end surface portion 11a of the fitting convex portion 11a.
Are opened in the seal fitting portion 11B.
Are configured. A lance 14 is provided in each terminal mounting hole 13.

A hood cover portion 12 is provided around the fitting convex portion 11, and an annular space portion 19 is formed between the hood cover portion 12 and the peripheral portion of the fitting convex portion 11. A lock lever portion 16 is arranged at the rear of the hood cover portion 12.

Then, the female terminal 15 which is one terminal to which the electric wire W is connected is mounted in the terminal mounting hole portion 13 of the female housing 10A while being locked to the lance 14, so that the female side The connector 10-4 is configured. In this case, since the female terminal 15 is provided with the monopolar waterproof rubber 15A, the monopolar waterproof rubber 15A is adhered to the inner surface of the terminal mounting hole 13 for waterproofing, and the female housing is also provided. The back side of 10A is waterproof by a waterproof structure (not shown).

The male side connector 20-4 includes a male side housing 20A and a male side sealing member 28-4 which is a fitting recess side seal formed by integral adhesive molding (two-color molding) in the male side housing 20A. And the male housing 20A in a state of penetrating the bottom surface portion 21A of the male housing 20A.
And a terminal 23 which is a large number of other terminals attached to the.

The male housing 20A has a fitting recess 21 surrounded by a tubular portion 20B at its front portion, and the bottom surface 21A of this fitting recess 21 has three upper, lower and middle portions. A large number of terminals 23, which are the other terminals, are mounted in a state of penetrating the bottom surface portion 21A across the steps.

The male side seal member 28-4 is molded of selective adhesive silicone which is a selective adhesive material. This male side seal member 28-4 has a large number of fitting portions 29 formed at a predetermined pitch in the left-right direction over a plate portion 29a having substantially the same shape as the bottom surface portion 21A in three steps of upper, lower and middle. The fitting portions 29 are projections.

Therefore, by integrally molding (two-color molding) the injection molding of the male housing 20A made of a thermoplastic resin and the injection molding of the seal member 28-4 made of a self-adhesive type selective bonding silicone rubber (liquid silicone rubber). The sealing member 28-4 is molded by adhering it to the bottom surface portion 21A of the male housing 20A. In this case, the terminal 23 penetrates the fitting portion 29 of the seal member 28-4.

Then, the fitting convex portion 11 of the female connector 10-4 is inserted into the fitting concave portion 21, and the terminal 23 and the fitting portion 29 of the male sealing member 28-4 are fitted into the seal fitting portion 11B. At the same time, the terminal 23 is advanced into the terminal mounting hole portion 13 and brought into contact with the female terminal 15 in the terminal mounting hole portion 13,
The locking projection 24 is detachably locked to the locking lever 16 so that the female and male connectors 10-4 and 20-4 are coupled.

In this case, the waterproof function is exhibited by fitting the fitting portion 29 of the male seal member 28-4 into the seal fitting portion 11B.

The seal member 28-4 is formed by two-color molding.
The sealing member 28-4 was provided on the male housing 20A by adhesively molding the above to the bottom portion 21A of the male housing 20A. The preformed sealing member 28-4 was adhesively applied to the bottom portion 21A of the male housing 20A. The sealing member 28-4 may be attached to the male side housing 20A by adhering with.

According to the fifth embodiment as described above,
The terminal mounting hole 1 is formed in the fitting protrusion 11 of the female housing 10A.
3 are divided into 3 stages of upper, lower and middle, and many are arranged side by side,
The opening to the end surface 11A of the fitting protrusion 11 of the terminal mounting hole 13 is made the seal fitting portion 11B, and the sealing member 28-4 fitted to these seal fitting portions is provided on the male housing 20A.
The bottom surface portion 21A of the
Alternatively, since it is adhered to the bottom surface portion 21A of the male side housing 20A with an adhesive, an intervening substance that separates the adjacent terminal mounting hole portions 13 provided in the fitting convex portion 11,
For example, since there is no seal member, it is possible to make the pitch between the openings of the terminal mounting hole portion 11, that is, the pitch between the female terminals 15 smaller than that of the conventional electrical connector, and to reduce the overall size of the electrical connector. can do.

Further, the fitting portion 29 is fitted into the seal fitting portion 11B, the fitting portion 29 and the seal member 28-4 are kept in close contact with each other, and the terminals 15 and 23 are brought into contact with each other. Since there is no contact with the seal member 28-4, there is no risk of the terminal 23 buckling.

Further, since the fitting portion 29 is fitted into the seal fitting portion 11B, the fitting convex portion 11 fits into the fitting concave portion 21 without tilting, and the terminal 23 is prevented from buckling. Therefore, high fitting accuracy is not required.

Since the female side connector 10-4 does not include the seal member 30 and the seal pressing member 40, the thickness of the peripheral wall portion 32 of the seal member 30 and the peripheral wall portion of the seal pressing member 40 are eliminated. The female connector 10-4 can be made smaller by twice the size obtained by adding the thickness dimension of 42.

(Embodiment 6) Embodiment 6 of the present invention is shown in FIGS.

Electric Connector of the Present Invention (Embodiment 6)
Comprises a female connector 10-5 which is one connector and a male connector 20-5 which is the other connector to which this female connector 10-5 is coupled.

The female connector 10-5 is provided with a flat and oblong fitting protrusion 11 at the front of the female housing 10A, and the fitting protrusion 11 is provided along the fitting direction. A large number of penetrating terminal mounting hole portions 13 are arranged side by side in four stages in the vertical direction in FIG. 12, and the terminal mounting hole portions 13 are open to the end face portion 11a of the fitting convex portion 11a. ,
These openings form the seal fitting portion 11B.
The other structure is the same as that of the female connector 10-4 (see FIG. 10) in the fifth embodiment of the present invention described above.

The male side connector 20-5 is provided on the male side housing 20A, the male side sealing member 28-5 which is a fitting recess side seal fitted in the male side housing 20A, and the male side housing 20A. And the terminal 23 formed by

That is, the male housing 20A has a fitting recess 21 surrounded by the tubular portion 20B at its front portion, and the bottom surface 21A of this fitting recess 21 has a vertical direction in FIG. The protrusion 20C is formed in four steps, and the bottom surface 21A is provided with a large number of terminals 23, which are the other terminals, penetrating the protrusion 20C.

As shown in FIG. 14, the male sealing member 28-5 is integrally bonded and molded on the surface of the synthetic resin plate 49 and the synthetic resin plate 49 having substantially the same shape as the bottom surface portion 21A of the fitting recess 21. It is composed of a large number of fitting portions 29-5 made of selectively bonded silicone rubber, and a seal plate portion 44 made of selectively bonded silicone rubber integrally bonded and molded on the back surface of the synthetic resin plate 49. Fitting part 29-
A seal portion 45 for adhesion is formed on the peripheral surface of 5.

On the surface of the synthetic resin plate 49, a large number of terminal press-fitting holes 46 are provided in the vertical direction in four steps in the vertical direction at a predetermined pitch in the horizontal direction in FIG.
Further, the fitting portion 29-5 is provided with a terminal insertion hole portion 47, and the terminal insertion hole portion 47 has a large diameter portion 47a having a diameter larger than that of the terminal press-fitting hole portion 46 and a diameter smaller than that of the terminal press-fitting hole portion 46. It is composed of a portion 47b. Further, on the surface portion of the seal plate portion 44, a large number of protrusion insertion hole portions 48 are provided in the vertical direction in four stages in FIG. 14 at a predetermined pitch in the horizontal direction. The terminal insertion hole portion 47, the terminal press-fitting hole portion 46, and the protrusion insertion hole portion 48 overlap each other.

Therefore, the male seal member 28-5 is
Injection molding of a synthetic resin plate 49 made of a thermoplastic resin and self-adhesive type selective adhesion One-piece adhesive molding (two-color molding) with injection molding of a large number of fitting portions 29-5 and seal plate portion 44 made of silicone rubber (liquid silicone rubber) ) Is produced by.

The male seal member 28-5 is fitted in the fitting recess 21 of the male housing 20A, and the fitting recess 2
The seal plate portion 44 is brought into close contact with the bottom surface portion 21A of No. 1 so as to be attached to the male side housing 20A. In this case, after the terminal 23 is press-fitted into the terminal press-fitting hole portion 46, it penetrates the terminal insertion hole portion 47, and the projection 20C is inserted into the projection insertion hole portion 48.

Then, the fitting protrusion 11 of the female connector 10
Is inserted into the fitting recess 21, and the terminal 23 and the male seal member 2 are inserted.
The fitting portion 29-5 of 8-4 is fitted into the seal fitting portion 11B, and the terminal 23 is advanced into the terminal mounting hole portion 13 to be brought into contact with the female terminal 15 in the terminal mounting hole portion 13,
The locking projection 24 is detachably locked to the locking lever 16 so that the female and male connectors 10-5 and 20-5 are coupled.

In this case, the waterproof function is exhibited by fitting the fitting portion 29-5 of the male seal member 28-5 into the seal fitting portion 11B.

As described above, according to the sixth embodiment,
The terminal mounting hole 1 is formed in the fitting protrusion 11 of the female housing 10A.
A large number of 3 are arranged side by side in four stages in the vertical direction, and the opening of the fitting protrusion 11 of the terminal mounting hole 13 to the end face portion 11a is made into the seal fitting portion 11B. 11B
The seal member 28-5 fitted to the male housing 20A
Since there is no inclusion such as a seal member that separates the adjacent terminal mounting hole portions 13 provided in the fitting convex portion 11 from each other, the space between the terminal mounting hole portions 11, that is, the female mold The pitch between the terminals 15 can be made smaller than that of the conventional electrical connector, and the overall size of the electrical connector can be reduced.

Further, the fitting portion 29- of the seal member 28-5
5 is fitted into the seal fitting portion 11B, and the fitting portion 29
-5 is kept in close contact with the seal fitting portion 11B, the terminal 15,
23 are in contact with each other, and the terminal 23 is a seal member 28.
Since there is no contact with -5, there is no risk of the terminal 23 buckling.

Also, the fitting portion 29- of the seal member 28-5
Since 5 is fitted into the seal fitting portion 11B, the fitting convex portion 11 fits into the fitting concave portion 21 without tilting, and a high fitting is provided to prevent the terminal 23 from buckling. No precision is required.

Further, since the female connector 10-5 does not include the seal member 30 and the seal retainer member 40 of the female connector 10 according to the first embodiment of the present invention, the seal member 30 is omitted. It is possible to reduce the size of the female connector 10-5 by twice the sum of the thickness dimension of the peripheral wall portion 32 and the thickness dimension of the peripheral wall portion 42 of the seal pressing member 40.

[0141]

As described above, according to the electric connector of the present invention, a seal member having a plurality of holes is attached to the end surface of the fitting protrusion, and the hole is formed into the terminal mounting hole. Keeping close contact with the opening, the fitting part of the other connector is fitted in the hole of the seal member to keep the fitting part and the seal member in close contact. An interposition that separates the adjacent terminal mounting hole portions,
For example, since there is no seal member, it is possible to reduce the pitch between the openings of the terminal mounting holes, that is, the pitch between one of the terminals, compared to the conventional electrical connector, and to reduce the overall size of the electrical connector. You can

Further, the fitting portion is fitted into the hole of the seal member, the fitting portion and the seal member are kept in close contact with each other, and one and the other terminals are brought into contact with each other, and the other terminal is directly connected to the seal member. Since there is no contact with the other terminal, there is no risk of the other terminal buckling.

Further, since the fitting portion is fitted into the hole of the seal member, the fitting convex portion fits into the fitting concave portion without tilting, and the other terminal does not buckle. In addition, high fitting accuracy is not required.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of an electric connector (Embodiment 1) according to the present invention in a state before coupling female and male connectors.

FIG. 2 is a vertical cross-sectional view of a female connector in an exploded state.

FIG. 3 is a vertical cross-sectional view of the female connector and the male connector of the electric connector according to the present invention (Embodiment 1) in a coupled state.

FIG. 4 is a front view of a seal member.

FIG. 5 is a front view of a seal pressing member.

FIG. 6 is a vertical cross-sectional view of the electrical connector according to the present invention (Embodiment 2) in a state before the female and male side connectors are coupled.

FIG. 7 is a vertical cross-sectional view of the electrical connector (Embodiment 3) according to the present invention before coupling the female and male connectors.

FIG. 8 is a vertical cross-sectional view of the electric connector according to the present invention (Embodiment 4) in a state before the female and male side connectors are coupled.

FIG. 9 is a vertical cross-sectional view showing a coupled state of the female and male connectors.

FIG. 10 is an electrical connector according to the present invention (embodiment 5).
FIG. 3 is a vertical cross-sectional view of the female and male side connectors in FIG.

FIG. 11 is a vertical cross-sectional view of the female and male side connectors in a coupled state.

FIG. 12 is an electrical connector according to the invention (sixth embodiment).
FIG. 3 is a vertical cross-sectional view in which the female and male side connectors in FIG.

FIG. 13 is a front view of a seal member.

14 is a sectional view taken along the line AA of FIG.

FIG. 15 is a back view of the seal member.

FIG. 16 is a vertical cross-sectional view of a conventional electrical connector before connection of female and male connectors.

FIG. 17 is a vertical cross-sectional view of another conventional electrical connector before connection of female and male connectors.

FIG. 18 is a vertical cross-sectional view of another conventional electrical connector before connection of female and male connectors.

[Explanation of symbols]

10 Female connector (one connector) 10A female side housing (housing) 10-1 Female connector (one connector) 10-2 Female connector (one connector) 10-3 Female connector (one connector) 10-4 Female connector (one connector) 10-5 Female connector (one connector) 11 Fitting convex part 11a end face part 13 terminal mounting hole 13A opening 15 Female terminal (one terminal) 17 Seal retainer mounting part 18 Seal member mounting part 20 Male connector (other connector) 20A Male side housing (housing) 20-1 Male connector (other connector) 20-2 Male connector (other connector) 20-3 Male side connector (other connector) 20-4 Male connector (other connector) 20-5 Male connector (other connector) 21 Fitting recess 22 Fitting part (projection part) 23 terminals (other terminal) 23-1 terminal (other terminal) 25 Fitting part (large diameter part) 26 Contact part 27 Lead 28 Male side seal member (fitting recess side seal) 29 Fitting part (projection part) 30 Seal member 31 seal body 32 peripheral wall 33 holes 33a Sealing part for close contact 33b Sealing part for close contact 33c Sealing part for adhesion 40 Seal holding member 41 Presser part 42 Peripheral wall 43 holes

Claims (10)

[Claims] 1. A connector comprising one connector and the other connector coupled to the one connector, wherein the one connector has a fitting protrusion on its housing, and the fitting protrusion has a plurality of terminals. The mounting hole portions are formed such that each end portion opens to the end surface portion of the fitting convex portion, and one terminal is mounted in these terminal mounting hole portions, and the other connector is The housing has a fitting recess, and a plurality of the other terminals are projected into the fitting recess, and the fitting projection is fitted in the fitting recess to form the one terminal and the other terminal. And a sealing member having a plurality of holes on the end surface of the fitting protrusion, the holes being communicated with the openings of the terminal mounting holes. Is located at the base of the other terminal in the fitting recess. A fitting portion that fits into the hole portion is provided, and when the one and the other terminals come into contact with each other, the fitting portion is fitted into the hole portion so that the fitting portion is brought into close contact with the seal member. Electrical connector to. 2. The electrical connector according to claim 1, wherein the fitting portion is a protruding portion that is provided on the bottom surface of the fitting concave portion and through which the other terminal penetrates. 3. The electric connector according to claim 1, wherein the fitting portion is a large-diameter portion formed on a base portion of the other terminal. 4. The fitting portion is a projection portion protruding from a fitting recess side seal mounted in the fitting recess and through which the other terminal penetrates. Electrical connector. 5. The electrical connector according to claim 1, wherein the seal member is held on the end surface portion of the fitting convex portion by a seal pressing member. . 6. The electrical connector according to claim 1, wherein the seal member is adhered to the end surface portion of the fitting convex portion. 7. The seal member is adhered to the end face portion of the fitting convex portion by two-color molding including injection molding of the housing made of synthetic resin and injection molding of the seal member made of a self-adhesive type selective adhesive material. The electrical connector according to claim 6, wherein 8. A connector comprising one connector and the other connector coupled to the one connector, wherein the one connector has a fitting protrusion on its housing, and the fitting protrusion has a plurality of terminals. The mounting hole portions are formed such that each end portion opens to the end surface portion of the fitting convex portion, and one terminal is mounted in these terminal mounting hole portions, and the other connector is The housing has a fitting recess, and a plurality of the other terminals are projected into the fitting recess, and the fitting projection is fitted in the fitting recess to form the one terminal and the other terminal. A plurality of terminal mounting hole portions are opened to the end face portion of the fitting convex portion is a seal fitting portion, and is fitted into the fitting concave portion. There is a mating recess side seal. In, a fitting portion that is located in the base portion of the other terminal and is fitted into the hole portion is provided, and the fitting portion is fitted into the seal fitting portion of the fitting portion when the one and the other terminals are in contact with each other. An electrical connector characterized in that it is brought into close contact with the seal fitting portion. 9. The fitting recess side seal is formed in the fitting recess by two-color molding including injection molding of the housing made of a synthetic resin and injection molding of the fitting recess side seal made of a self-adhesive type selective adhesive material. The electrical connector according to claim 8, wherein the electrical connector is provided. 10. The fitting recess side seal comprises a synthetic resin plate having substantially the same shape as an end surface of the fitting recess, a plurality of fitting portions integrally bonded and molded on a surface of the synthetic resin plate, and A seal plate portion integrally bonded and formed on the back surface of the synthetic resin plate, and the seal plate portion, the synthetic resin plate, and the fitting portion are each provided with a hole portion through which the terminal penetrates. The electrical connector according to claim 9, wherein: