JP3219628B2 - Device direct connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device direct connector for connecting electric wires which is directly mounted on a mounting panel of various electric devices mounted on a vehicle such as an automobile.

[0002]

2. Description of the Related Art A conventional connector directly attached to a device is as follows.
The one shown in FIG. 7 has been proposed. The device direct connector 50 has a female connector housing 53 (hereinafter simply referred to as a female housing) mounted on the mounting panel 5 and a male terminal (not shown) connected to the rear end of the connection wire 11. And a male connector housing 12 (hereinafter, simply referred to as a male housing) that fits with the female housing 53. Then, the flange portion 3f provided at the rear end of the female housing 53 and the bolt 8
Thus, the electric device case is vertically erected on the mounting panel 5 of the electric device case. The male housing 12 is detachably fitted to the front end of the female housing 53, and a connecting wire 11 is routed from the front end of the male housing 12.

[0003] Further, as shown in FIG.
The housing main body 3b is made of a double cylindrical plastic material, and is provided with a flange 3f also serving as a bottom plate on the rear end surface. The flange portion 3f is mounted in a watertight manner in the mounting hole 6 of the mounting panel 5 via the O-ring 25 by the bolt 8. Further, the flange portion 3f
A packing 15 is provided over the front and rear surfaces of the housing 3 to maintain watertightness between the housing body 3b and the mounting panel 5.

[0004] Next, a metal shell 5 for shielding is provided in an inner cylinder 3c standing from the rear surface of the flange 3f.
The insulating cylinder 16 is supported concentrically through the intermediary 6. As shown in FIG. 9, the metal shell 56 has a plurality of contact pieces 57 provided on the rear surface of a cylindrical metal plate, and the contact pieces 57 are sandwiched between the flange portion 3f and the mounting panel 5. You. As a result, the metal shell 56 is grounded to the mounting panel 5. A female terminal 58 having a connection hole 17 is concentrically supported in the insulating cylinder 16. The rear end of the female terminal 58 projects into the mounting panel 5,
The current is guided from the female terminal 58 into the mounting panel 5. The locking hole 22 of the hood 21 provided in the housing body 3b of the female housing 53 is locked with a locking projection (not shown) operated by the detachable button 13 of the mating male housing 12. It is.

[0005] In the device-directed connector 50 having the above-described configuration, the male housing 12 is pushed in from the front end of the device-directed connector 50 after the flange 3f of the housing body 3b is mounted on the mounting panel 5 by the bolt 8. Mated. At this time, the male terminal (not shown) at the front end of the connection wire 11 is inserted into the connection hole 17 of the female terminal 58 to be electrically connected, and at the same time, the attachment / detachment button 13 is operated so that the engagement protrusion is engaged with the engagement hole 22. Is locked.

[0006]

In the above-described conventional device direct mounting connector 50, the connector is vertically connected to the mounting panel 5 depending on the position of a power supply, a changeover switch or the like, or the position of another device existing on the way. The connecting wires 11 need to be bent. However, the minimum bending radius R of the connecting wire 11
Has a limit, for example, the connecting wire 11 is attached to the mounting panel 5
When the cable is to be arranged in parallel to the mounting panel 5, there is a problem that a large space is required since the distance A from the mounting panel 5 becomes large.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and it is possible to securely connect a connector to one housing fixed on a mounting panel in a small space while securing a reliable shield. Accordingly, it is an object of the present invention to provide a device direct-attached connector capable of improving the connector attaching / detaching operation.

[0008]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a connector directly connected to a mounting panel of an electrical device case, the device being directly attached to a mounting panel of an electrical device case. The end is detachably connected to a rear cover having a substantially L-shaped bent shape by a flange portion, and further includes a conductive plug further containing a filler.
Formed from sticks, through the rear cover attached to the mounting panel by and flange portion, the
The mating end face of one connector housing is
One connector so that it is arranged almost perpendicular to the
This can be achieved by a device direct mounting connector, characterized in that the connector housing is mounted .

[0009]

[0010]

[0011]

[0012]

A further object of the present invention is to provide a terminal in which a terminal in one housing is shielded by being surrounded by a cylindrical metal shell, and a rear end of the metal shell is provided with a rear edge of the housing and a flange portion of a rear cover. This can be attained by providing a plurality of contact pieces provided with protrusions on the side of the contact surface with the flange portion that is sandwiched.

[0014]

[Operation] In the device direct mounting connector of the present invention, the rear end of one housing constituting the device direct mounting connector is
Removably connected to the rear cover, which is bent approximately L-shaped by the flange, and further mixed with filler
Formed from sexual plastic, and via the rear cover attached to the mounting panel by a flange portion, one
The mating end face of one connector housing faces the mounting panel.
So that it is arranged almost vertically
A housing is to be attached . With this, after one housing is attached to the mounting panel via the rear cover, when the mating housing into which the connection electric wire is fitted is fitted to the one housing, the connection electric wire is bent to the rear cover with respect to the mounting panel. It is routed according to the direction.

That is, if the rear cover can be fixed to the mounting panel so that the mating end surface of one of the housings into which the mating housing is fitted is substantially perpendicular to the mounting panel surface, the mating housing can be moved along the mounting panel. Can be fitted from any direction. Therefore, there is no need to forcibly bend the connection wires, and the distance between the connection wires and the mounting panel surface can be reduced, and workability in a narrow working space becomes possible.

Further, the rear end of one housing of the connector directly attached to the device and the rear cover can be detachably connected by a flange portion, and the rear cover is attached to the mounting panel by the flange portion. The fitting end face of one housing can be directed in an easy direction.

[0017]

Further, since the rear cover is formed of a conductive plastic mixed with a filler, the bus bars and terminals in the rear cover can be shielded at low cost.

Further, a plurality of contact pieces provided at the rear end of the metal shell and held between the rear end edge of the housing and the flange portion of the rear cover are provided with protrusions on the contact surface side with the flange portion. This ensures that the metal shell is grounded to the mounting panel via the rear cover. Therefore, the conductive portion in the connector directly attached to the device is completely shielded.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of a connector for directly attaching a device according to the present invention will be described with reference to FIGS. FIG. 1 is a front view showing a first embodiment of the present invention, and FIG. 2 is a sectional view in FIG. As shown in FIG.
A female housing 3 having a flange 3f at the rear end;
Of the flange portion 7 is attached to the female housing 3 rear, a flange portion 9 on the other, the flange portion 7 is flange 9
And a rear cover 4 having a substantially L-shape bent upward . This equipment direct connector 1
Is mounted on the mounting panel 5 of the electrical equipment case by the flange portion 9 of the rear cover 4. Then, the male housing 12 into which the connection terminal connected to the end of the connection wire 11 is inserted is fitted and connected to the female housing 3.

That is, the mounting panel 5 is provided with a mounting hole 6 for guiding a current into the case of the electric equipment. It is watertightly mounted on the mounting panel 5 via 24. The female housing 3 is mounted in parallel to the mounting panel 5 by bolts 8 and flanges 7 provided at the other end of the rear cover 4. The rear cover 4 is made of a conductive filler 3
0 is a conductive plastic material mixed therein. Further, the male housing 12 is fitted to the front end of the female housing 3 in a detachable manner by operating the detachable button 13. At this time, since the fitting end face of the female housing 3 is disposed substantially perpendicular to the mounting panel 5, the male housing 12 can perform the fitting operation substantially parallel to the mounting panel 5 surface.

As shown in FIG. 2, the rear cover 4 is mounted by being guided by the mounting holes 6 of the mounting panel 5, and is mounted on the mounting panel 5 by the flanges 9 and the bolts 10. At this time, the O-ring 24 fitted in the flange portion 9 ensures the sealing property with the joint surface of the mounting panel 5. The female housing 3 is mounted in a bent mounting hole 14 at the end of the rear cover 4 by a flange 3f provided at the rear end, a flange 7 on the rear cover 4 side, and a bolt 8. The housing body 3b of the female housing 3 is made of a substantially double cylindrical plastic, and has a rear end face provided with a flange portion 3f also serving as a bottom plate.
The flange portion 3f is provided with a bolt hole arranged in a square shape so that the bolt 8 is fitted therein. And, it is designed to be watertightly mounted on the flange portion 7 of the rear cover 4 via an O-ring 25.
Further, a packing 15 is attached to the front and rear surfaces of the flange portion 3f to ensure watertightness between the housing body 3b and the rear cover 4.

Next, an insulating tube 16 is concentrically supported via a shielding metal shell 26 in an inner tube 3c standing upright from the rear surface of the flange portion 3f. The metal shell 26 has a projection 28 on a contact piece 27 as shown in FIG. 5 in addition to the conventional metal shell 56 shown in FIG. The connection hole 1 is provided in the insulating tube 16.
7 are concentrically supported.

The rear end of the female terminal 18 is
The bus bar 20 is attached by a bolt 19. The bus bar 20 is a conductive plate-like member that guides a current from the female terminal 18 into the mounting panel 5 through the inside of the rear cover 4. The locking hole 22 of the hood 21 provided in the female housing 3 is a hole for locking a locking projection (not shown) operated by the detachable button 13 of the mating male housing 12. .

In the mounting structure of the device-directed connector having the above-described configuration, the bus bar 20 is first mounted on the rear end of the female housing 3 with the bolt 19, and then the bus bar 20 is mounted in the mounting hole 14 of the rear cover 4. It is inserted. Then, when the flange portion 3f is fastened to the flange portion 7 of the rear cover 4 by the bolt 8, the assembly of the device direct mounting connector 1 is completed.

After the flange portion 9 of the connector 1 is directly mounted on the mounting hole 6 of the mounting panel 5 by the bolt 10, the male housing 12 is pushed in from the front end of the connector 1 and connected. Are combined. At this time, the male terminal (not shown) at the rear end of the connection wire 11 is inserted into the connection hole 17 of the female terminal 18 to be electrically connected, and the attachment / detachment button 13 is operated to lock the locking projection. It is locked in the hole 22.

Therefore, the height B of the connector 1 directly attached to the device shown in FIG. 1 from the surface of the mounting panel 5 can be made smaller than the height A shown in FIG. 7, and when the male housing 12 is fitted. Can reduce the wiring space for the connection wires 11. The current is supplied from the connection wire 11 to the bus bar 20.
To the predetermined circuit in the electrical equipment case.

The female terminal 18 is shielded by a metal shell 26, and the bus bar 20 is also shielded by a conductive filler 30 mixed in the rear cover 4. A plurality of contact pieces 27 are provided on the rear end edge of the metal shell 26 and are in contact with the flange 7 of the rear cover 4. The conductive plastic material on which the rear cover 4 is formed is a filler 30.
Hardly appears on the surface, so that the protrusion 28 is cut into the flange 7 to ensure the conduction, and the filler 30
To make sure it contacts.

Further, the rear cover 4 is filled with an epoxy resin 31 which is an insulating material.
And the bus bar 20 and the water tightness in the rear cover 4 are secured.

Next, the second connector of the device direct mounting connector of the present invention will be described.
An embodiment will be described with reference to FIG. This embodiment is different from the first embodiment in that the bus bar 2 shown in FIG.
The point is that the number of parts is reduced by using the female terminal 23 in which the rear part of the female terminal is bent at a right angle instead of using the 0 and the bolt 19. Therefore, it is possible to simplify the operation of assembling the device direct-connecting connector by reducing the number of components.

As shown in FIG. 4, the flange portion 3f of the female housing 3 is arranged in a square shape,
As a result, the direction of the hood 21 can be set to an arbitrary direction. Therefore, since the position of the attachment / detachment button 13 of the male housing 12 can be selected, the degree of freedom in the fitting direction to the female housing 3 is improved.

The present invention is not limited to the above-described first and second embodiments, but can be implemented in another configuration by making appropriate changes. For example, in the above-described embodiment, the rear cover has a substantially L-shaped bent shape. However, depending on the arrangement of other interfering devices on the mounting panel, the bent shape of the rear cover may be formed into an obtuse angle or an acute angle to form a connection wire. Can be set in a desired direction.

Further, metal plating is applied to the surface of the rear cover so that the rear cover has a shielding property, and grounding from the female housing to the mounting panel is possible through the rear cover. There is a problem that this is likely to occur and that the cost increases because the plating layer is formed. However, by adopting the above-described configuration, it is possible to secure low cost and stable shielding properties.

[0034]

In equipment direct mounting connector of the present invention described above, according to the present invention, one of the housing rear end constituting the device direct mounting connector is substantially L-shaped by a flange portion
Removably connected to the bent rear cover,
Formed from conductive plastic mixed with filler,
And fitting of one connector housing through the rear cover attached to the attachment panel by the flange portion.
So that the end faces are almost perpendicular to the mounting panel
To which the one connector housing is attached . Thus, the space for arranging the connection wires connected by fitting the mating housing can be reduced, and the fitting connection can be reliably performed even in a limited narrow space.

Further, the rear end of one of the housings of the connector directly attached to the device and the rear cover can be detachably connected by a flange, and the rear cover is attached to the mounting panel by the flange. Accordingly, the fitting end surface of one housing can be directed in a direction in which the mating housing is easily fitted in the work, so that the work of fitting and removing the connector directly attached to the device becomes easy, and the workability can be significantly improved. .

[0036]

Further, since the rear cover is formed of conductive plastic mixed with a filler, the conductive portion in the rear cover can be shielded at low cost.

Further, a plurality of contact pieces provided at the rear end of the metal shell and sandwiched between the rear end edge of the housing and the flange portion of the rear cover have projections on the contact surface side with the flange portion. This ensures that the metal shell is grounded to the mounting panel via the rear cover. Therefore, since the conductive portion in the connector directly attached to the device is completely shielded, a shielding function can be added at a low cost.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of a device direct mounting connector of the present invention.

FIG. 2 is a sectional view in FIG.

FIG. 3 is a sectional view showing a second embodiment of the device direct mounting connector of the present invention.

FIG. 4 is a plan view showing a fitting end surface of the female housing in FIG. 1;

FIG. 5 is a perspective view showing a contact piece and a protrusion of a metal shell in FIG. 2;

FIG. 6 is an operation explanatory view showing a relationship between a rear cover and a protrusion in FIG. 2;

FIG. 7 is a front view showing a conventional device direct mounting connector.

FIG. 8 is a sectional view in FIG.

FIG. 9 is a perspective view showing a metal shell in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Device direct attachment connector 3 Female housing (one housing) 3a Flange part 4 Rear cover 5 Mounting panel 7, 9 Flange part 11 Connection electric wire 12 Male housing 26 Metal shell 27 Contact piece 28 Projection part 30 Filler

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-36451 (JP, A) JP-A 4-15185 (JP, U) JP-A-62-139086 (JP, U) JP-A 5-135 34685 (JP, U) Japanese Utility Model 1983-155786 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H01R 13/73 H01R 13/52 H01R 13/648

Claims (2)

(57) [Claims] 1. A device direct mounting connector for connecting wires to the mounting panel of the electrical equipment case is directly attached, one connector housing rear end constituting the apparatus direct mounting connector is substantially L-shaped by a flange portion Bent
It is detachably connected to the rear cover of the shape and is formed of conductive plastic mixed with filler.
The one connector housing through the rear cover attached to the attachment panel by a flange portion.
The mating end of the jing is almost perpendicular to the mounting panel
The one connector housing is taken
A device-direct connector that can be attached. 2. A terminal in said one connector housing.
Is surrounded by a cylindrical metal shell and shielded
At the rear end of this metal shell, the connector housing
Between the rear edge of the rear cover and the flange of the rear cover.
On the contact surface side of the rear cover with the flange portion.
It is noted that a plurality of contact pieces having projections are provided.
The device direct-attached connector according to claim 1, wherein: