JPH0724900Y2 - Wire harness collective connector connection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a connection device for mounting a wire harness connector and a connection box on a body wall between an automobile compartment and an engine room.

[Prior Art] A wire harness is used for wiring various electric connection circuits in an automobile for each circuit in the room and engine room. Conventionally, a wire harness is provided between the room and the engine room. Several through holes were provided in the body wall, and a wire harness was passed through this hole to connect the wire harness on the indoor side to the engine room side for each circuit.

Further, as a connector for connecting a wire harness in a joint box of an automobile, as in the bus bar separator structure of JP-A-64-39211, an upper connector having a bus bar attached, a lower connector having wire harness end portions attached thereto, and a support plate. A cylindrical connector guide that fits in the lower connector, a protrusion is provided on the outer surface of the lower connector, and a cylindrical groove is provided on the inner surface of the cylindrical connector guide. The lower connector is fitted in the cylindrical connector guide. Then, the protrusions on the outer side of the lower connector are slidably fitted in a tubular groove on the inner surface of the tubular connector guide in a certain range up and down, and the tubular connector guide is fitted on the support plate, and the upper connector Insert the guide plate into the guide groove of the lower connector and screw the bolt of the upper connector into the nut of the lower connector, and the lower connector will rise in the tubular connector guide. Then, the ridges on the outer surface of the lower connector slide upward in the tubular groove on the inner surface of the tubular connector guide,
It is known that the upper end surface of the lower connector is joined to the lower end surface of the upper connector to connect both connectors.

[Problems to be Solved by the Invention] As in the prior art, a through hole is provided in the wall of the body for each of a number of wire harnesses on the indoor side and the engine room side, and the connector at the tip of each wire harness is connected. Then
There is a problem that the work efficiency of assembling the wire harness in the automobile manufacturing line increases and the work efficiency decreases.

In order to simplify such connection work, it is effective to combine the connection tips of the wire harness into one collective connector and connect them with a connection box. In this case, the assembly and connection are completed in the automobile manufacturing line. The expensive collective connector may be damaged during the transportation and handling process until
Moreover, it takes time and effort to remove this damaged collective connector and replace it with a new collective connector, and if the collective connector and the connection box are incompletely aligned, the bus bar tabs may be damaged. There is a problem that the collective connector may be damaged, and further, if the connection box and the fixed body wall of the collective connector are different, misalignment occurs due to dimensional variation and the fitting becomes impossible.

Further, in the above-mentioned Japanese Patent Laid-Open No. 64-39211, the protrusion on the outside of the lower connector is vertically movably fitted in the cylindrical groove on the inner surface of the cylindrical connector guide, and the lower connector is screwed with a bolt. Until then, since it is configured to move up and down without being fixed to the tubular connector guide, the lower connector is tubular when handling it while holding it or assembling it to the support plate. The inside of the connector guide unsteadily rattles up and down, and the butted connection end of the upper end of the lower connector protrudes outside the tubular connector guide, and the lower connector end protruding outside the tubular connector guide is being handled. There is a problem of being damaged.

The present invention solves the above-mentioned problems, protects the wire harness connector from being shaken and damaged during the handling work as in the conventional case, and protects the connector. It is an object of the present invention to provide a connecting device capable of reducing the number of connections and smoothly and accurately connecting to a connection box.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the wire harness collective connector connecting device of the present invention is configured such that the collective connector 21 of the indoor side wire harness 20 is fitted to the holder 1 and the holder is 1 is mounted in the mounting hole 11 of the body wall plate 10, the connection box 30 is connected to the collective connector 21 and is fixed by the coupling bolt 32, and the collective connector 21 is temporarily held in the holder 1. An upper locking stopper 7 and a lower locking stopper 6 for holding and a flexible plate 8 for unlocking which unlocks the temporary holding of the temporary holding upper locking stopper 7 by inserting the connection box 30 are provided. It is a thing.

[Operation] Since the indoor side wire harness 20 is connected to the collective connector 21, the indoor side wire harness is collected and connected to the connection box 30 on the engine room side, and it is necessary to provide a number of wire harness through holes in the body wall plate 10. Disappears.

The collective connector 21 is fitted into the holder 1, and the fitted collective connector 21 is vertically locked by the upper retaining stopper 7 and the lower retaining stopper 6 for temporary holding of the holder 1. It is fixed and temporarily held so that it does not move up and down.

In this way, the collective connector 21 is fitted into the holder 1 and temporarily held so as not to move up and down, so that the holder 1 is fitted into the mounting hole 11 of the body wall plate 10 during handling work. The collective connector 21 is protected without the connecting end face portion of the upper end of the connector 21 protruding above the holder 1 and being damaged unlike the prior art.

The connection box on the engine room side for the collective connector 21 temporarily held by the upper locking stopper 7 and the lower locking stopper 6 for temporarily holding the holder 1 mounted in the mounting hole 11 of the body wall plate 10. When the connection box 30 is inserted onto the collective connector 21 when the 30 is connected, the lower end edge of the connection box 30 bends the unlocking flexible plate 8 outward and pushes the flexible plate 8 for unlocking.
The engagement between the temporary holding upper locking stopper 7 and the collective connector 21 provided in the above is released.

When the locking with the upper locking stopper 7 temporarily holding the collective connector 21 is released in this way, the upward movement of the collective connector 21 becomes free, so that the coupling bolts 32 penetrating the connection box 30 are assembled. When screwed into the connector 21, the connection box 30 and the collective connector 21 are correctly aligned with each other, and the collective connector 21 is pulled upward so as to be in close contact with the connection box 30 and completely fitted and connected.

As described above, the indoor side wire harness 20 is collectively connected to the collective connector 21, the collective connector 21 is temporarily held by the holder 1 and mounted on the body wall plate 10, and the engine room side connection box 30 is connected. As a result, the work efficiency of assembling the wire harness in the automobile manufacturing line is improved.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows the front surface of the collective connector holder used in the present invention, FIG. 2 shows its upper surface, FIG. 3 shows its side surface, and FIG. 4 shows a cross section taken along line IV-IV of FIG. , FIG. 5 shows VV of FIG.
6 shows a cross section taken along line VI-VI of FIG.
FIG. 7 shows how to connect, and FIG. 8 shows a perspective view of the collective connector and the holder.

In the figure, reference numeral 1 is a holder formed of plastic in the shape of a rectangular frame, and its inner space is used as a connector fitting portion 2, and the holder 1 is provided on both left and right sides of the upper half (see FIGS. 1 and 4). Mounting hole 11 of automobile body wall plate 10 (see FIGS. 1, 4, and 7)
In order to fit and mount to the illustrated body, inverted V-shaped mounting lock plates 3, 3 and wall plate receiving pieces 4, 4 are provided, and a body is provided between the lower end of the mounting lock plate 3 and the wall plate receiving piece 4. A gap 5 is formed so as to sandwich the hole edge portion of the mounting hole 11 of the wall plate 10. Incidentally, the inverted V-shaped mounting lock plate 3 is one in which the inverted V-shaped plate is elastically pressed and fitted when being pushed and fitted into the mounting hole 11, and the wall plate receiving piece 4 is fitted into the mounting hole 11. It is formed to have elasticity so that it elastically contacts the lower surface of the hole edge portion.

In order to prevent the collective connector fitted to the connector fitting portion 2 from falling out, 6 is a temporary holding portion for locking and temporarily holding the collective connector by providing notch steps on both front and rear sides inside the rectangular frame wall. It is a downward locking stopper.

Reference numeral 7 denotes a temporary holding upper locking stopper which prevents the collective connector from coming out and temporarily holds the collective connector, and this is provided on a locking releasing flexible plate 8 made of a flexible plate body for releasing the temporary holding.

Reference numeral 9 denotes a taper guide formed into a taper so as to serve as a fitting guide when the connection box is fitted and connected to the collective connector fitted to the holder 1.

The wire harness collective connector 21 is fitted to the holder 1 configured as described above, and the wire harness collective connector 21 collects the connection tips of the indoor side wire harness 20 into one as shown in FIG. Then, the lower connector 22 and the upper connector 23 are provided on both front and rear surfaces of the multi-connector 21, and the collective connector 21 is fitted to the holder 1 from below. At this time, the lower engaging portion 22 engages with the temporary retaining lower engaging stopper 6 of the holder 1, and the upper engaging portion 23 engages with the temporary retaining upper engaging stopper 7 of the holder 1. To do. Reference numeral 24 is a connection terminal array portion on the upper surface of this collective connector 21, and 25 is a coupling bolt hole when connecting to the connection box of this collective connector 21.

In order to assemble a wire harness in an automobile manufacturing line using the holder 1 and the collective connector 21 configured as described above, the holder 1 is first fitted to the collective connector 21. The fitted lower engaging portion 22 of the assembled connector 21 is engaged with the lower engaging stopper 6 for temporary holding inside the holder 1 to prevent downward slipping off, and the upper engaging portion of the collective connector 21. 23 is engaged with an upper locking stopper 7 on the inner side of the holder 1 to prevent the upper part from coming out, and is temporarily held by being locked so as not to move up and down arbitrarily, and the collective connector 21 surrounds the outer side thereof. Protects against external force and damage during transportation and handling work.

Although the holder 1 fitted with the collective connector 21 is fitted into the mounting hole 11 provided in the body wall plate 10 between the room and the engine room as shown in FIG. 7, the collective connector 21 is temporarily held. In this fitting, when the inverted V-shaped mounting lock plate 3 protruding from the upper end of the holder 1 is pushed into the mounting hole 11 from the lower side to be fitted, the inverted V-shaped plate is pressed and narrowed down. After passing through 11, the reverse V-shaped plate elastically returns to its original position, and when the lower end of the reverse V-shaped mounting lock plate 3 presses the upper surface of the hole edge of the mounting hole 11, the wall plate receiving piece 4 causes the mounting hole 11 to move. Since the lower surface of the hole edge portion is supported and the hole edge portion of the mounting hole 11 is elastically sandwiched from above and below, the holder 1 is fitted and mounted in the mounting hole 11 of the body wall plate 10.

By mounting the holder 1 fitted with the collective connector 21 in the mounting hole 11 of the body wall plate 10 as described above, the collective connector 21 is properly temporarily held at a predetermined position in the mounting hole 11.

A connection box 30 is fitted and connected to the collective connector 21 temporarily held as described above as shown in FIG. Reference numeral 31 is a contact pin that is connected to the wire harness on the engine room side, and is inserted into the connection terminal arranging portion 24 on the upper surface of the collective connector 21 and connected to the indoor wire harness 20. When this connection box 30 is covered from above the body wall plate onto the collective connector 21 that is temporarily held by the holder 1, the lower end edge of the connection box 30 is guided by the taper guide 9 protruding at the upper end of the holder 1. Then, it is pushed down, aligned with the collective connector 21, and properly fitted and connected.

Further, the flexible plate 8 for unlocking is released by lowering the lower edge of the connection box 30.
Is pushed downward and bends, the upper locking stopper 7 provided on the flexible plate 8 is also displaced outward (fifth position).
Bending to the right in the figure)
Since the engagement with 23 is disengaged, the upward movement of the collective connector 21 becomes free. Therefore, the connecting bolt 32 that penetrates the junction box 30
By screwing (shown in FIG. 7) into the bolt hole 25 of the collective connector 21, the collective connector 21 is pulled upward so as to be in close contact with the connection box 30 and completely fitted and connected and fixed.

As described above, the wire harnesses 20 on the indoor side are combined into one by the collective connector 21, and the mounting holes 11 of the body wall plate 10 are attached.
In the connection box 30 attached to, the wire harness on the engine room side is completely connected.

It should be noted that the inverted V-shaped mounting lock plate 3 and the wall plate receiving piece 4 of the holder 1 may generate an abnormal vibration sound if there is rattling between the hole edges of the mounting holes 11, but the wall plate receiving piece 4 Since an elastic force is given to the and the edge of the mounting hole 11 is elastically supported, no abnormal vibration noise is generated. In order to prevent the holder 1 from being fitted in the mounting hole 11 in the wrong direction, the holder 1 is formed in an asymmetrical shape, and one side thereof has a triangular shape as shown in the second illustration. By forming the rib a, it is possible to prevent an incorrect assembly side.

[Advantage of the Invention] As described above, according to the present invention, the wire harnesses on the indoor side are gathered together by the collective connector to be connected to the wire harnesses on the engine room side. It becomes unnecessary to provide.

Also, since the collective connector fits inside the holder and is temporarily held so that it does not move up and down, the upper end of the connector is retained by the holder as in the conventional case during the handling work for mounting the holder on the body wall plate or during transportation. The collective connector can be protected without protruding upward and being damaged.

Also, by fitting the retainer that fits and temporarily holds the collective connector into the mounting hole of the body wall plate, the collective connector is correctly temporarily held at the predetermined position in the mounting hole, so that the connection box and the collective connector are properly aligned. Thus, the connection can be smoothly performed, the bus bar tab is not twisted, and the work efficiency of assembling the wire harness in the automobile manufacturing line can be improved.

[Brief description of drawings]

1 is a front view of the holder of the present invention, FIG. 2 is a top view thereof, FIG. 3 is a side view thereof, FIG. 4 is a sectional view taken along line IV-IV of FIG. 2, and FIG. FIG. 6 is a second sectional view taken along the line VV of FIG.
FIG. 7 is a sectional view taken along the line VI-VI in FIG.
The figure is a perspective view of the holder and the collective connector. 1: Holding tool 6: Lower locking stopper for temporary holding 7: Upper locking stopper for temporary holding 8: Flexible plate for unlocking 10: Body wall plate 11: Mounting hole 20: Indoor side wire harness 21: Collective connector 30: Connection box 32: Coupling bolt

Claims (1)

[Scope of utility model registration request] 1. A collective connector (2) for an indoor side wire harness
1) is fitted to the holder (1), the holder (1) is mounted in the mounting hole (11) of the body wall plate (10), and the connection box (30) is connected to the collective connector (21). In the connection device fixed by a connecting bolt (32), a temporary holding upper locking stopper (7) and a lower locking stopper (6) for temporarily holding the collective connector (21) in the holding tool (1). , A lock releasing flexible plate (8) for releasing the temporary holding of the temporary holding upper locking stopper (7) by inserting the connection box (30). Connection device.