JPH08171964A - Connector directly attached to equipment - Google Patents

Abstract

PURPOSE: To obtain a connector directly attached to equipment capable of improving connection removal work by enabling the connector to be fitted to the other housing fixed onto a mounting panel in a small space and certainly while ensuring certain shielding. CONSTITUTION: A connector 1 directly attached to equipment is composed of a female housing provided with a flange part 3f at its back end and a roughly L-letter shaped rear cover 4 mounted at the housing 3 back end by means of a flange part 7 provided on one side and provided with a flange part 9 to be mounted on a mounting panel 5 on the other side. For this connector 1 to be directly connected to a device, the fitting end surface of a female housing 3 is arranged almost perpendicular to a mounting panel 5 so that a male housing 12 can be fitted in almost parallel along the mounting panel 5 surface. A water resistance 0 ring is fitted to and inserted into the flange parts 3a and 9. The rear cover 4 is formed with conductive plastic, a contact piece 27 of a metal shell 26 is provided with a protrusion part 28, and a shield function is made better.

Description

Detailed Description of the Invention

[0001]

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

[0002]

2. Description of the Related Art Regarding the conventional direct connector for equipment,
The one shown in FIG. 7 has been proposed. The device direct mounting 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 connecting electric wire 11. And a male connector housing 12 (hereinafter, simply referred to as a male housing) fitted with the female housing 53. Then, the flange portion 3f provided at the rear end of the female housing 53 and the bolt 8
By this, it is arranged to stand vertically 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 the connecting electric wire 11 is routed from the front end of the male housing 12.

Further, as shown in FIG. 8, a female housing 53 is provided.
The housing body 3b is made of a double-cylinder plastic material, and has a flange portion 3f that also functions as a bottom plate on the rear end surface. The flange portion 3f is adapted to be watertightly mounted in the mounting hole 6 of the mounting panel 5 by the bolt 8 via the O-ring 25. Further, the flange portion 3f
A packing 15 is provided on the front and rear surfaces of the housing to keep watertight between the housing body 3b and the mounting panel 5.

Next, in the inner cylinder 3c which is erected from the rear surface of the flange portion 3f, a metal shell 5 for the purpose of shielding is provided.
An insulating cylinder 16 is concentrically supported via 6. As shown in FIG. 9, the metal shell 56 is provided with a plurality of contact pieces 57 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. It 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,
An electric current is conducted from the female terminal 58 into the mounting panel 5. The locking hole 22 of the hood portion 21 provided on the housing body 3b of the female housing 53 is for locking a locking projection (not shown) operated by the attachment / detachment button 13 of the mating male housing 12. Is.

In the device direct mounting connector 50 having the above-described structure, the male housing 12 is pushed in from the front end of the device direct mounting connector 50 after the flange portion 3f of the housing body 3b is mounted on the mounting panel 5 with the bolt 8. Are fitted together. At this time, a male terminal (not shown) at the front end of the connecting wire 11 is inserted into the connecting hole 17 of the female terminal 58 to be electrically connected, and at the same time, the detachable button 13 is operated so that the engaging projection is engaged with the engaging hole 22. Locked in.

[0006]

In the above-mentioned conventional device direct-mounting connector 50, the connector 50 is vertically connected to the mounting panel 5 depending on the positions of the power source, the changeover switch, etc. and the positions of other devices in the middle. It is necessary to bend the connecting wire 11. However, the minimum bending radius R of the connecting wire 11
There is a limit, for example, the connecting wire 11 is attached to the panel 5
If the wires are to be installed in parallel with each other, the distance A from the mounting panel 5 becomes large, so that there is a problem that a large space is required.

The object of the present invention was made in view of the above problems, and it is possible to reliably fit a connector into one housing fixed on a mounting panel in a small space while ensuring a reliable shield. Therefore, it is an object of the present invention to provide a device direct-attaching connector capable of improving the work of attaching and detaching the connector.

[0008]

The above object of the present invention is to provide a device direct-attaching connector for a connecting electric wire which is directly attached to a mounting panel of an electric device case, in which a rear end of one housing constituting the device direct-attaching connector is provided. This can be achieved by a device direct-attaching connector characterized in that a substantially L-shaped rear cover is provided, and the device direct-attaching connector is attached to the mounting panel via the rear cover.

Further, the above object can be achieved by the fact that one housing rear end of the device direct-attaching connector and the rear cover are detachably coupled by a flange portion.

Further, the above object can be achieved by mounting the rear cover on the mounting panel by the flange portion.

The above object can also be achieved by providing a waterproof structure between the rear cover and the mounting panel, and between the rear cover and one of the housings.

The above object can be achieved by forming the rear cover from a conductive plastic containing a filler.

Further, the above object is such that the terminal in one of the housings is surrounded and shielded by a cylindrical metal shell, and the rear end of the metal shell has a rear end edge of the housing and a flange portion of the rear cover. This can be achieved by providing a plurality of contact pieces that are sandwiched and have a protrusion on the contact surface side with the flange.

[0014]

[Operation] In the device direct-attaching connector of the present invention, a rear cover having a substantially L-shape is provided at the rear end of one housing constituting the device direct-attaching connector, and the device direct-attaching connector is attached to the mounting panel via the rear cover. It is a thing. As a result, when one of the housings is attached to the mounting panel via the rear cover and then the mating housing into which the connecting wire has been inserted is fitted to the other housing, the connecting wire is bent into the bent shape of the rear cover with respect to the mounting panel. It will be routed in the appropriate direction.

That is, if the rear cover can be fixed to the mounting panel so that the mating end surface of one housing for mating the mating housing becomes substantially at right angles to the mounting panel surface, the mating housing can be fitted along the mounting panel. It can be fitted from the direction. Therefore, it is not necessary to forcibly bend the connecting wire, the distance between the connecting wire and the mounting panel surface can be reduced, and workability in a narrow working space becomes possible.

Further, since the rear end of one housing of the connector directly attached to the equipment and the rear cover can be detachably coupled by the flange portion, and the rear cover is attached to the mounting panel by the flange portion, the mating housing fits for work. The mating end surface of one of the housings can be oriented in the easy direction.

Further, since the waterproof structure is provided between the rear cover and the mounting panel, and between the rear cover and the one housing, the joint surface between the rear cover and the mounting panel enters into the mounting panel, and the rear cover and one housing. Water or the like does not enter the inside of the rear cover or one of the housings from the joint surface with.

Further, since the rear cover is made of conductive plastic containing a filler, the bus bar 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 sandwiched 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 device direct mounting connector is completely shielded.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a device direct mounting connector of the present invention will be described below 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 of FIG. As shown in FIG. 1, the device direct connection connector 1 is
It is composed of a female housing 3 having a flange portion 3f at the rear end thereof, and a substantially L-shaped rear cover 4 having one end attached to the rear end of the female housing 3 and the other end having a flange portion 9. The device direct mounting connector 1 is attached to a mounting panel 5 of an electric device case by a flange portion 9 of a rear cover 4. Then, the male housing 12 in which the connection terminal connected to the end of the connection electric wire 11 is fitted and inserted is the female housing 3.
Is fitted and connected to.

That is, the mounting panel 5 is provided with a mounting hole 6 for guiding an electric current into the electric equipment case, and the rear cover 4 is O-ringed by the flange portion 9 and the bolt 10 provided at the end portion of the rear cover 4. It is watertightly attached to the attachment panel 5 via 24. Further, the female housing 3 is mounted in parallel with the mounting panel 5 by a flange portion 7 and a bolt 8 provided on the other end portion of the rear cover 4. The rear cover 4 is made of a conductive filler 3
It is a conductive plastic material in which 0 is mixed. Further, the male housing 12 is removably fitted to the front end of the female housing 3 by operating the attachment / detachment button 13. At this time, since the fitting end surface of the female housing 3 is arranged substantially perpendicular to the mounting panel 5, the male housing 12 can be fitted in substantially parallel to the mounting panel 5 surface.

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

Next, the insulating cylinder 16 is concentrically supported in the inner cylinder 3c erected from the rear surface of the flange portion 3f via a metal shell 26 for shielding. In addition to the conventional metal shell 56 shown in FIG. 9, the metal shell 26 is provided with a protrusion 28 on the contact piece 27 as shown in FIG. Then, in the insulating cylinder 16, the connection hole 1
A female terminal 18 having 7 is supported concentrically.

The rear end of the female terminal 18 is at the rear cover 4
A bus bar 20 is attached to the bus bar 20 by a bolt 19. The bus bar 20 is a conductive plate-shaped member that passes an electric current from the female terminal 18 into the mounting panel 5 through the rear cover 4. The locking hole 22 of the hood portion 21 provided in the female housing 3 is a hole for locking a locking projection (not shown) operated by the attachment / detachment button 13 of the mating male housing 12. .

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

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

Therefore, the height B from the surface of the mounting panel 5 of the device direct mounting connector 1 shown in FIG. 1 can be made smaller than the height A shown in FIG. 7, and when the male housing 12 is fitted. It is possible to reduce the installation space of the connecting electric wire 11. In addition, the electric current is from the connecting electric wire 11 to the bus bar 20.
And is led to a predetermined circuit in the case of the electric device.

The female terminal 18 is shielded by the metal shell 26, and the bus bar 20 is also shielded by the 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 portion 7 of the rear cover 4. The conductive plastic material on which the rear cover 4 is formed is the filler 30.
Barely appears on the surface, so that the protrusion 28 is made to bite into the flange portion 7 and the filler 30
It is designed to make sure contact with.

Further, the rear cover 4 is filled with an epoxy resin 31 which is an insulating material, and the rear cover 4
The electrical contact between the busbar 20 and the busbar 20 and the watertightness inside the rear cover 4 are ensured.

Next, the second device direct-attaching connector of the present invention
An embodiment will be described with reference to FIG. This embodiment differs from the first embodiment described above in that the electric current is guided from the female terminal 18 into the mounting panel 5, the bus bar 2 shown in FIG.
The number of parts is reduced by using a female terminal 23 in which the rear portion of the female terminal is bent at a right angle, instead of using 0 and the bolt 19. Therefore, the work of assembling the device direct-attaching connector can be simplified by reducing the number of parts.

Further, as shown in FIG. 4, the flange portion 3f of the female housing 3 is arranged in a square shape, and the bolt 8
Since it is mounted on the flange portion 7 of the rear cover 4, the direction of the hood portion 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 other configurations by making appropriate changes. For example, although the rear cover is bent in a substantially L shape in the above embodiment, the bent shape of the rear cover may be obtuse or acute depending on the arrangement of other devices on the mounting panel. The stretching direction can be set to a desired direction.

It is also possible to apply metal plating on the surface of the rear cover in order to give the rear cover a shielding property and ground the female housing to the mounting panel through this rear cover, but the plating layer rusts and contact failure occurs. There is a problem that it is easy to cause this and that the cost increases because the plated layer is formed. However, by adopting the configuration as described above, it is possible to secure stable shielding properties at low cost.

[0034]

As described above, in the device direct-mounting connector of the present invention, a substantially L-shaped rear cover is provided at the rear end of one housing constituting the device direct-mounting connector, and the device is directly mounted via the rear cover. The connector is attached to the mounting panel. As a result, it is possible to reduce the installation space of the connecting electric wire that is connected by fitting the mating housing, and it is possible to reliably fit and connect even in a limited narrow space.

Further, the rear end of one housing of the device direct mounting connector and the rear cover can be detachably coupled by the flange portion, and the rear cover is attached to the mounting panel by the flange portion. Accordingly, since the mating end surface of one housing can be oriented in a direction in which the mating housing is easily fitted in the work, the work of fitting and unmating the device direct mounting connector can be facilitated and the workability can be remarkably improved. .

A waterproof structure is provided between the rear cover and the mounting panel, and between the rear cover and one of the housings. As a result, the sealability of the joint surface between the rear cover and the mounting panel and the joint surface between the rear cover and one of the housings is ensured, and water and the like are reliably prevented from entering the connector and the mounting panel.

Further, since the rear cover is made of conductive plastic containing 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 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 device direct mounting connector is completely shielded, so that the shielding function can be added at a low cost.

[Brief description of drawings]

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

FIG. 2 is a sectional view of FIG.

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

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 the metal shell in FIG. 2. FIG.

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

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

8 is a cross-sectional view of FIG.

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

[Explanation of symbols]

 1 Device Directly Attached Connector 3 Female Housing (One Housing) 3a Flange Part 4 Rear Cover 5 Mounting Panel 7, 9 Flange Part 11 Connection Wire 12 Male Housing 26 Metal Shell 27 Contact Piece 28 Protrusion Part 30 Filler

Claims (7)

[Claims] 1. A device direct-connecting connector for connecting electric wires which is directly mounted on a mounting panel of an electric device case, wherein a rear cover of a substantially L-shape is provided at a rear end of one connector housing constituting the device direct-connecting connector, A device direct-mounting connector, characterized in that the device direct-mounting connector is mounted on the mounting panel via the rear cover. 2. The device direct-attaching connector according to claim 1, wherein the rear end of the one connector housing of the device direct-attaching connector and the rear cover are detachably coupled to each other. 3. The device direct-attaching connector according to claim 1, wherein the rear cover is attached to the attachment panel by a flange portion. 4. The rear end of the one connector housing is
The device direct mounting connector according to claim 2, wherein the connector is mounted on the rear cover by a flange portion. 5. The device direct-connecting connector according to claim 1, wherein a waterproof structure is provided between the rear cover and the mounting panel, and between the rear cover and the one connector housing. 6. The device direct-connecting connector according to claim 1, wherein the rear cover is made of conductive plastic mixed with a filler. 7. A terminal in the one connector housing is surrounded by a cylindrical metal shell to be shielded, and a rear end of the connector housing and the flange of the rear cover are provided at a rear end of the metal shell. 7. A plurality of contact pieces, each of which is sandwiched by a portion and provided with a protrusion on the contact surface side with the flange portion, are provided.
Directly attached device connector.