JPH0429514Y2 - - Google Patents

Description

[Detailed Description of the Invention] Technical Field The present invention relates to a connector for electrically connecting devices.

Prior Art The steering torque of the steering wheel of a vehicle is detected by a steering torque sensor, and the control section reads the sensor output and determines the amount of control of the steering force according to the operating state of the steering wheel at that time. As shown in FIG. 3, for example, in an electric power steering device that controls the drive by giving a control signal commensurate with the control amount to a motor drive section that applies power to the steering mechanism of the vehicle,
The steering torque sensor 15 and the interface unit 16 of the electric power steering device are integrated into the upper side of the steering gear box 17, and the power control unit 18 is integrated into the lower side of the steering gear box 17. Conventionally, when an electrical connection is to be made between the interface unit 16 and the power control unit 18 disposed below, the electrical connections are drawn out from the interface unit 16 and the power control unit 18 respectively. Harness 2
3 and 24, and a plug-in connector 25 is used to externally connect the two.

However, if external connections are made using such a connector 25, there is a risk that the harnesses 23 and 24 will act as antennas and pick up electromagnetic noise existing inside and outside the vehicle, which may affect the device. However, there is a risk that the nozzle may be damaged by other in-vehicle equipment.

In such a case, in order to eliminate the influence of the electromagnetic nozzle, a bar-shaped line (bus bar) is used to facilitate wiring in a narrow area inside the case that has an electromagnetic shielding effect. When electrical connection is made between the power control unit 18 and the relative assembly error between the two units 16 and 18 is large, the connection is made using a bar-shaped line with a constant length. The problem is that they become unable to do so.

In addition, if the thermal expansion change of the assembled part is relatively large, both units 16 and 18 due to thermal expansion.
The bar-shaped line cannot cope with changes in the interval between lines, and there is a risk that the bar-shaped line will break.

Purpose This invention was made taking the above points into consideration.
When electrically connecting devices using connectors,
In addition to making it easy to run wires in narrow areas, it also absorbs assembly errors between devices and always allows connection between them, and even if the distance between the devices changes due to thermal expansion, etc. The present invention provides a connector that is fully compatible and allows reliable connection between devices.

Configuration In order to achieve its purpose, the present invention provides a wire that is passed through a wiring space formed between at least two devices that are integrally incorporated, and that both ends of the wire are exposed between the terminal holders provided in each device. The wire is molded with resin so as to form a connection terminal portion with the terminal holder, and a harness member formed by the wire is molded with resin. is divided into two parts, and an expansion part is formed by exposing the wire between the resin molded parts to give a slack, and a lead member is guided through the wiring space formed protruding from the molded part, In addition, a guide portion is provided to ensure a slack space for the wire.

In addition, in the present invention, each of the two resin molded parts of the lead member is provided with a screw seat that is attached to the terminal holder part provided on the device side with a screw, and the screw hole in at least one of the screw seats is The elongated hole in the longitudinal direction of the member allows the lead member to be fixed and attached to the terminal holder portion of each device using screws.

Hereinafter, one embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the case of the connector according to the present invention, Fig. 1a,
As shown in b, a plurality of wires 2 are arranged in an array and integrally molded with resin as a lead member 1 to be connected between terminal holders provided on two devices, respectively.
At that time, both ends of each wire 2 are exposed and connected to the terminal holders 3 and 4 on the device side.
At the same time, the resin molded part is divided into two, each wire 2 is exposed between the divided resin molded parts 5 and 6, and each exposed wire 2 is formed into, for example, a V-shape. Expansion section 7 that has been pressed to create slack
I am trying to set it up.

Further, screw seats 8 and 9 are formed on both sides of each resin molded portion 5 and 6, one screw seat 8 has a normal screw through hole 10, and the other screw seat 9 has a through hole 10 for a normal screw. Screw through holes 11 are provided in each lead member 1 by elongated holes in the longitudinal direction.

FIG. 2 shows an example of the mounting state of the connector according to the present invention, in which the steering torque sensor 15 in the electric power steering device is mounted above the steering gear box 17 together with its interface unit 16, as described above. The power control unit 18 is integrated into the lower side of the steering gear box 17, and the interface unit 16 and the power control unit 1 arranged below are integrated.
8, the interface unit 16 is connected to the interface unit 16 through a narrow space 20 inside a conductive case 19 that covers the assembled body consisting of each part 15 to 18 and provides an electromagnetic shielding effect. The lead member 1 is attached between a terminal holder 12 provided on the side and a terminal holder 13 provided on the power control unit 18 side. In addition, here, lead member 1
The wire 2 in the expansion portion 7 is formed in an S-shape.

When attaching the lead member 1, first, the lead member 1 is inserted into the narrow space 20 inside the case 19 from below. At this time, guide portions 21 and 22 are formed on the lead member 1, so that the lead member 1 can be easily passed through the narrow space 20. Further, the guide parts 21 and 22 ensure a slack space for the wire 2 in the expansion part 7, and the exposed wire 2 is inserted into the case 19.
protected from contact with internal equipment.

Next, the lead member 1 is attached to the lower terminal holder 13 using the screw 14 at the screw seat 8 of the resin molded portion 5. At this time, the connection terminal portion 3 of the lead member 1 comes into contact with the terminal holder 13, so that the lead member 1 and the power control unit 18 are electrically connected.

Next, insert the connecting terminal part 4 of the lead member 1 into the upper plug-in terminal holder 12 from below,
At the position where the insertion has stopped, the lead member 1 is attached to the upper terminal holder 12 using the screw 14 at the screw seat 9 of the resin molded portion 6. At this time, since the lead member 1 is provided with the expansion portion 7, it is possible to sufficiently absorb mounting errors between the interface unit 16 and the power control unit 18, and the resin mold in the lead member 1 can be The screw seat 9 of the part 6 has an elongated screw through hole 1.
1, it is possible to easily align the terminal holder 12 with a screw hole provided in the terminal holder 12 and screw it. Incidentally, some mounting errors can also be absorbed by the screw through holes 11.

As described above, according to the present invention, since the resin molded parts 5 and 6 are provided on the lead member 1,
Wiring can be easily carried out in narrow areas. Further, since the lead member 1 is provided with the expansion portion 7, it is possible to absorb installation errors between the devices to be connected and to ensure the connection of the lead member 1 between them. At the same time, even if the distance between the two devices to which the lead member 1 is connected changes due to thermal expansion, the lead member 1 expands and contracts in accordance with the change and can sufficiently cope with the change in thermal expansion. Furthermore, attach both ends of the lead member 1 to each terminal holder 1.
It becomes possible to securely attach it to the parts 2 and 13 by screwing, etc., and the reliability of the connection part is improved. In addition, since the plurality of wires 2 are lined up and molded with resin when the lead member 1 is manufactured, it is possible to accurately position each terminal portion 3, 4.

Note that the steering torque sensor 151 includes a cylindrical movable core 153 disposed on the outer periphery of the fitting portion between the input shaft 151 and the output shaft 152 from the steering so as to be displaceable in the axial direction; The coil 154 provided on the fixed side constitutes an actuating transducer, and the torsion bar 1 responds to the steering torque of the steering operation.
Input shaft 151 and output shaft 1 due to twisting of 55
The movable iron core 15
3 moves by a predetermined amount in the axial direction, and the amount of movement is electrically detected by a coil 154.

The interface unit 16 of the steering torque sensor 15 divides the clock pulse signal given from the power control unit 18 appropriately to generate a rectangular wave or sine wave AC signal, and amplifies this AC signal. A drive circuit that supplies the primary side of the coil 154 in the steering torque sensor 15, a rectifier circuit that rectifies the torque detection signal output from the secondary side of the coil 154, and a stable system that removes high frequency components from the rectified signal. It consists of a low-pass filter circuit that extracts the DC signal.

Effects As described above, in the connector according to the present invention, a terminal part is formed at both ends between the terminal holders provided on each side of the device to be connected, and the two parts are molded with resin, and the molded part is A guide part is formed protrudingly, and a lead member with an expansion part formed between the molded parts is connected, making it possible to easily conduct wires in narrow areas, and also to connect devices. It has the excellent advantage of being able to absorb installation errors and changes in spacing due to thermal expansion, thereby ensuring reliable electrical connection between devices.

[Brief explanation of the drawing]

1A and 1B are a front view and a plan view showing an example of the structure of a lead member in a connector according to the present invention, FIG. 2 is a front sectional view showing an example of mounting the connector according to the present invention, and FIG. 3 is a conventional connector. FIG. 2 is a front cross-sectional view showing an example of implementation. 1... Lead member, 2... Wire, 3, 4...
...Terminal part, 5, 6... Resin mold part, 7... Expansion part, 8, 9... Screw seat, 12, 1
3...Terminal holder, 14...Screw, 21, 22
...Guide department.

Claims (1)

[Claims for Utility Model Registration] 1. A lead molded with resin that passes through a wiring space formed between at least two devices that are integrally incorporated, and between terminal holders provided in each device. A connector for connecting members,
The wires at both ends of the lead member are exposed to form connection terminals with the terminal holder, and the resin molded part of the lead member is divided into two parts, and the wire is inserted between the resin molded parts. An expansion part that is exposed and has slack, and a guide part that is formed protruding from the mold part to guide the passage of the lead member into the wiring space and to ensure a slack space for the wire. A connector characterized by: 2 Each of the two resin molded parts of the lead member is provided with a screw seat that is attached to the terminal holder part provided on the device side with a screw, and the screw hole in at least one of the screw seats is aligned in the longitudinal direction of the lead member. The connector according to item 1 above, characterized in that the hole is an elongated hole.