JPH0745338A - Connector - Google Patents

Abstract

PURPOSE:To provide a connector where the number of item parts and fixing manhours can be reduced. CONSTITUTION:A terminal 31 at the end of a wire harness 30 is housed inside a terminal containing chamber 22, thus constituting a first terminal group for a large current. The first terminal group and a pin terminal 23 constituting a second terminal group for a small current are contained in one connector housing 21. Consequently, it is possible to reduce the number of item parts and fixing manhours for connector engagement.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is, for example, a connector provided on the apparatus side for electrically connecting parts inside the apparatus and the outside of the apparatus, and having a connection terminal for electrically connecting the inside and outside of the apparatus. Regarding connectors.

[0002]

2. Description of the Related Art Generally, when a power source or an electric signal is supplied from the outside of a device to a part inside the device, a connector for connecting an external electric wire is attached to a casing of the device, and a power supply is supplied from the connection terminal to the parts. There is a method of supplying an electric signal.

As shown in FIG. 8, this connector is composed of a housing 51 which is attached to the housing A and is made of an insulating resin, and a connection terminal 52 which is housed and held in the housing 51. Each part in the body A,
For example, the connection to the junction block is made via an electric wire such as a wire harness 53 as shown in FIG.

[0004]

By the way, as described above, in the conventional case, the parts inside the apparatus are the wire harness 5
First, the harness 5 is connected because it is connected by an electric wire such as 3
After connecting one end of 3 to the component, the other end must be accommodated in the connector housing 54 and connected to the connector accommodating portion 55, which inevitably increases the number of components and the number of assembly steps.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned inconvenience and to provide a connector having a small number of parts and a low manufacturing cost.

[0006]

The invention according to claim 1 is
A connector provided on the device side for electrically connecting the inside of the device to the outside of the device, the first connector comprising a terminal electrically connected to a wire harness connected to a first component inside the device. And a second terminal group constituted by terminals electrically connected to a second component inside the device, at least a part of the first terminal group being the wire. The connector is characterized in that it is formed of terminals electrically connected to the ends of the harness.

According to a second aspect of the present invention, at least a part of the terminal accommodating portion in which the terminals of the first terminal group are accommodated accommodates terminals electrically connected to the ends of the wire harness. The terminal accommodating chamber may be formed.

Further, as described in claim 3, the first
It is also effective to insert-mold the terminal electrically connected to the end of the wire harness into at least a part of the terminal accommodating portion in which the terminal of the terminal group is accommodated.

[0009]

In the connector constructed as above,
Since at least a part of the first terminal group is formed by the terminals electrically connected to the end portion of the wire harness, it is necessary to separately provide a connector housing to accommodate the terminal at the end portion of the wire harness as in the conventional case. Without
Also, the work of connecting to such a connector housing is inevitably unnecessary.

Further, a terminal accommodating chamber for accommodating the terminals electrically connected to the end of the wire harness is formed in at least a part of the terminal accommodating portion for accommodating the terminals of the first terminal group, Alternatively, at least a part of the first terminal group is formed by insert-molding the terminal electrically connected to the end of the wire harness into at least a part of the terminal housing part in which the terminal of the first terminal group is housed. Preferably.

[0011]

【Example】

(First Embodiment) FIG. 1 is a perspective view of a first embodiment of the connector of the present invention, FIG. 2 is a perspective view of the connector seen obliquely from below and rear, FIG. 3 is a cutaway plan view, and FIG. FIG. 5 is a perspective view showing an integrated unit in an antilock brake system (hereinafter referred to as ABS), and FIG. 5 is an exploded perspective view of FIG.

First, A in which the connector of this embodiment is used
The schematic configuration of the integrated unit in the BS will be described.

As shown in FIGS. 4 and 5, the integrated unit in this ABS comprises a hydraulic unit 1 and an electronic control unit 2.

The hydraulic unit 1 includes a housing 4 in which oil passages are appropriately formed, a motor 5 as an actuator mounted and fixed to the housing 4, and a plurality of flow control valves for opening and closing the oil passages. It is composed of a plurality of solenoids 6 for activating each and a base plate 7 mounted and fixed to the bottom of the housing 4.

Further, the electronic control unit 2 includes a printed circuit board 9 on which electronic components and the like are mounted, a junction block 10, and a plurality of relays 12 connected to a connector portion 11b formed on the rear surface of the junction block 10.
And a connector 20 fixed to the printed circuit board 9 and a pair of split case bodies 13a, 13 containing the printed circuit board 9, the junction block 10, the connector 20, and the like.
and a case 13 made of b.

The printed circuit board 9, the junction block 10, the connector 20 and the like are electrically connected, and as shown in FIG. 4, the housing body 21b of the connector 20 provided on the printed circuit board 9 has one divided case body 13.
It is accommodated in the divided case body 13a so as to project to the outside from the opening on the front surface of a.

Further, the other split case body 13b is formed with a relay storage portion 13c for storing the relay 12 and an insertion hole 13d through which the connection portion 6a of each solenoid 6 is inserted. A mounting boss 13e having a screw insertion hole is provided on the outer surface side.

The connecting portion 6a of each solenoid 6 is directly connected and held at a predetermined position on the printed circuit board 9 or the junction block 10 through each insertion hole 13d. An O-ring 6b mounted on the outer periphery of each connecting portion 6a provides a waterproof seal between each connecting portion 6a inserted into each connector insertion hole 13d and the divided case body 13b.

Further, rubber plate-like seal bodies (not shown) are arranged along the outer peripheral joint surfaces of the divided case bodies 13a and 13b, and are fastened to each other by screws 15. The case 13 and the housing 4 are attached to the base plate 7
The base plate 7 and the housing 4 are fixed to each other by arranging them at a predetermined position and screwing the fixing screw 16 into the screw insertion hole of the mounting boss 13e, and the hydraulic unit 1 and the electronic control unit 2 are integrated there. Has been done.

A screw portion 7a for attaching to the chassis of the vehicle is provided at one end of the base plate 7.

A harness-side connector 19 provided at an end of the wire harness 18 for inputting various sensor signals from the vehicle side and electricity from a battery is attached to the connector 20 protruding from the opening of the divided case body 13a. It is detachably connected.

By the way, as shown in FIGS. 1 and 2, the connector 20 is formed integrally with the board 21a and the front side of the board 21a, and the harness side connector 19 described above is formed.
A connector housing 21 that is fixed to the printed circuit board 9 and that includes a rectangular-tube-shaped housing body 21b into which
The terminal accommodating chamber 2 formed on the upper rear surface of the housing 21
2, a first terminal group for large current formed by an end portion of a wire harness, which will be described later, and a small current first terminal group housed in the lower side of the housing 21 and the latter half portion of which is led out of the housing 21. A plurality of pin terminals 23 that form the second terminal group
And the lead-out portion of each pin terminal 23 to the outside of the housing 21 is printed so that it can be electrically connected to mounted components of the printed board 9 with the housing 21 fixed to the printed board 9. 90 on the substrate 9 side
It is bent.

As shown in FIGS. 1 and 3 (a), the terminals 31 are respectively provided at the tips of the two wire harnesses 30 (see FIG. 5) connected to the motor 5 or the like corresponding to the first component. The terminals 21 are connected, both terminals 31 are accommodated in the terminal accommodating chamber 22 as shown in FIG.
Of the two through holes 3 provided in the inner portion of the terminal accommodating chamber 22 of
The tip ends of both terminals 31 are respectively inserted into 2 and are introduced into the inside of the housing main body 21b, whereby a first terminal group 33 for large current is formed, and the first terminal group 33 is the harness side connector. 19 and wire harness 1
It is connected to the battery via 8 or the like.

At this time, the wire harness 30 is introduced into the case 13 by liquid-tightly penetrating the rear wall of the relay accommodating portion 13c with a sealing material or the like.

Further, various sensors are connected to the inside of the housing 21 of each pin terminal 23 through the harness side connector 19 and the wire harness 18, and a second sensor is connected to the outside of the housing 21 of each pin terminal 23. The electronic components mounted on the printed circuit board 9 corresponding to the above components are connected by soldering or the like.

Therefore, one connector housing 21
A pin terminal 2 which is a first terminal group 33 and a second terminal group formed by terminals at the ends of the wire harness 30
3 is accommodated, the battery is connected to the motor 5 corresponding to the large current circuit section, and a sensor for generating a small current signal and an electronic component for receiving the same are connected as in the conventional case. Moreover, a connector housing for accommodating the terminals connected to the ends of the wire harness is not required, and the number of parts and the number of assembling steps for connector fitting can be reduced.

(Second Embodiment) FIG. 6 is a perspective view of a second embodiment of the present invention as seen obliquely from below and rear, and FIG. 7 is a plan view in section.

1 and 3 in FIGS. 6 and 7, respectively.
The same reference numerals denote the same or corresponding ones. The difference from each of FIGS. 1 and 3 is that the terminal accommodating chamber 22 is deleted and the terminals are respectively connected to the tip ends of the two wire harnesses 30. The terminals 35 are insert-molded, and the tips of both terminals 35 are introduced inside the housing body 21b to form a first terminal group 37 for large current.
That is, the connector group 40 is formed by accommodating the terminal group 37 and the pin terminals 23 forming the second terminal group for the small current in one connector housing 21.

Therefore, according to the second embodiment, the same effect as in the first embodiment can be obtained.

In each of the above embodiments, the case where the terminals of the second terminal group are the pin terminals has been described, but it goes without saying that the present invention is not limited to this.

Further, the arrangement of the terminal groups for large current and small current in the housing is not limited to those shown in the above-mentioned embodiments.

Further, it goes without saying that the present invention can be applied not only to the above-mentioned integrated unit in the ABS but also to various systems in general such as a traction control system (TCS).

Further, in the above-mentioned embodiments, the case where all of the first terminal group for large current is formed by the terminals connected to the ends of the wire harness has been described.
Of course, only a part of the terminal group may be formed.

[0034]

As described above, according to the connector of the present invention, at least a part of the first terminal group is formed by the terminals connected to the ends of the wire harness. There is an advantage that a connector housing for accommodating the terminals connected to the ends is not required, and the number of parts and the number of assembling steps for connector fitting can be reduced.

Further, at least a part of the terminal accommodating portion is provided with a terminal accommodating chamber for accommodating the terminal connected to the end of the wire harness, or at least a part of the terminal accommodating portion is insert-molded with a terminal at the end of the wire harness. By doing so, the same advantages as above can be obtained.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a first embodiment of the present invention in use.

FIG. 2 is a perspective view of the first embodiment seen from diagonally below and behind.

FIG. 3 is a sectional plan view of the first embodiment.

FIG. 4 is a perspective view of an integrated unit in an ABS in which the connector of the first embodiment is used.

5 is an exploded perspective view of the unit of FIG.

FIG. 6 is a perspective view of a second embodiment of the present invention as seen from diagonally below and behind.

FIG. 7 is a cut plan view of the second embodiment.

FIG. 8 is a perspective view showing a conventional example.

[Explanation of symbols]

 21 connector housing 22 terminal accommodating chamber 23 pin terminal (second terminal group for small current) 30 wire harness 31, 35 terminals 33, 37 first terminal group for large current

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Isao Isao 1-3 Shimano, Konohana-ku, Osaka City Sumitomo Electric Industries, Ltd. (72) Inventor Kenji Nakai 1-1-1, Shimaya, Konohana-ku, Osaka No. 3 Sumitomo Electric Industries, Ltd. Osaka Works (72) Inventor Seiji Ueda 1-3-3 Shimaya, Konohana-ku, Osaka City Sumitomo Denki Industries Co., Ltd. (72) Inventor Hitoshi Hashiba Shimano, Konohana-ku, Osaka 1-3 1-3 Sumitomo Electric Industries Co., Ltd. Osaka Works (72) Inventor Tadashi Wada 1-3-3 Shimaya, Konohana-ku, Osaka City Sumitomo Electric Ki Industries Co., Ltd. Osaka Works

Claims (3)

[Claims] 1. A connector provided on the device side for electrically connecting the inside of the device and the outside of the device, the terminal being electrically connected to a wire harness connected to a first component inside the device. A connector comprising a configured first terminal group and a second terminal group configured by a terminal electrically connected to a second component inside the apparatus, wherein at least one of the first terminal group The connector is formed by a terminal electrically connected to an end of the wire harness. 2. The connector according to claim 1, wherein a terminal electrically connected to an end of the wire harness is accommodated in at least a part of a terminal accommodating portion in which the terminals of the first terminal group are accommodated. A connector having a terminal accommodating chamber formed therein. 3. The connector according to claim 1, wherein a terminal electrically connected to an end of the wire harness is inserted into at least a part of a terminal accommodating portion in which a terminal of the first terminal group is accommodated. A connector characterized by being molded.