JPH01212636A - Wire harness device for instrument panel - Google Patents

Abstract

PURPOSE:To facilitate assembly and connection of a meter panel by replacing a part of the body side and panel side wire harnesses by each connecting block and arranging an elastic connection part between each connecting block and the meter panel. CONSTITUTION:As for a body side connecting block 1, a plurality of bus bars 3 are arranged inside a case 2, and the connectors 4 and 4' for connecting a body side harness Wd are arranged at the both edge opened port parts. A window 7 as electric connecting part for a panel side connection block 12 is opened on the front wall part of the case 2. While, also in the panel side connecting block 12, a plurality of bus bars 3 are arranged inside a case 13, and the connectors 14 and 14' for a panel side harness Wp are arranged at the both edge opened port parts. A window 15 as electric connection part for a meter panel M is opened on a front wall part 13a. A connector part for a window 15 is arranged on the back surface of the meter panel M installed onto a panel P.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automobile instrument panel (hereinafter referred to as "
It's called a panel. ) Regarding the wire harness device,
This is intended to simplify the wiring form and connection work with various electrical devices.

[Conventional technology]

Figure 14 shows the conventional wiring state around the panel, and Figure 15 shows the conventional wiring state around the panel.
The figure is a schematic diagram.

In the figure, M is an instrument panel incorporating various meters, which is fixed to panel P and transmits various information to the driver, but most of the information sources depend on sensors etc. in engine room E. are doing.

On the other hand, in the vicinity of the instrument panel M, there are many electrical devices such as various switches S, control devices U such as units and relays, loads R such as motors, cigarette lighters, lighting, etc. Wire harness W on the dash board (body) D side, or wire harness W on the panel P side, respectively.
It is connected to the.

Since most of the information sources for the instrument panel M exist in the engine room E as mentioned above, the harness W on the engine room side and the harness W on the panel side.

It is preferable to connect directly to the instrument panel M, but since it is difficult in practice, first attach the body side harness W4 to the body D, and after assembling the panel P to the body D, pull out the body side harness W4 and connect it to the instrument panel M. After connecting the instrument panel M to the panel P, the instrument panel M is fixed to the panel P.

[Problem to be solved by the invention]

In the conventional instrument panel assembly and wiring method, the panel P is assembled to the body D after a large number of branch wires w (wl, wt...) are pulled out from the body side harness W4 and connected to the connector c.
After connecting (cl, c,...) to the meter individually,
In order to assemble the instrument panel M to the panel P, a long extra work length is required for the meter connection branch line W, and the storage space must be increased. The number of man-hours involved is extremely large, such as assembly, assembling various meters to the instrument panel, and assembling the instrument panel to the panel.

In addition, as another assembly method, the instrument panel M is assembled to the panel P as shown in FIG.
After connecting the branch lines wl', w, '... with the meter,
It is also possible to assemble the panel P to the body D and connect the body side harness W4 and the panel side harness Wp. However, in this case, a new relay harness Wj is required, and the number of electric wires and branches (joints) increases not only in the body side harness W but also in the panel and side harness W, and the wire harness is It becomes more and more enlarged and complicated.

The present invention has been made with attention to the above points, and is a wire harness device that simplifies the shape of the wire harness inside the panel, facilitates its wiring, and particularly simplifies the assembly and connection of the instrument panel. The purpose is to provide

11. Glossy Bottom [Means for Solving the Problem] In order to achieve the above-mentioned object, the panel wire harness device of the present invention is provided with a body side wire harness wired to the dash board of an automobile and arranged in the instrument panel. Replace part of the panel-side wire harness that is being searched for with connection blocks each containing multiple busbars housed in a case, and attach them between the body-side connection block and the panel-side connection block and between the panel-side connection block and the instrument panel. The instrument panel is characterized in that an electrical connection part is provided between each of the instrument panels, and the plurality of electrical connection parts are connected simultaneously by fixing the instrument panel to the dash board.

Hereinafter, the present invention will be specifically explained based on drawings showing examples.

〔Example〕

In Fig. 1, reference numeral 1 denotes a body side connection block, which is constructed by housing a plurality of bus bars 3 vertically in parallel in the width direction in a flat rectangular cylindrical case 2 with openings at both ends. is the connector 4 for connecting the body side harness W4.
, 4' are formed. This connector 4 (4')
As shown in FIG. 2, the end portion 3a of the bus bar 3 is made to protrude as a terminal into an insulating housing 4a formed integrally with the case 2, and if necessary, a bridge-shaped junk terminal 5 is inserted as shown in FIG. It is constructed by branching and connecting to other busbars 3 using lip terminals 6 like this.

On the other hand, a window 7 is opened in the front wall 2a of the case 2 as an electrical connection part for the panel-side connection block 12, and a fuse case 8 having a plurality of cavities 8a is formed in the upper wall 2b. A normal blade-type fuse 9 is inserted.

Incidentally, the upper wall 2b or the lower wall 2b' of the case 2 is provided with a mounting plate 10 having bolt holes 10a at appropriate positions.

The connection between the blade-shaped fuse and the busbar is as shown in Fig. 3A, by connecting the terminal portion 11a at the other end of the two U-shaped relay busbars 11, each of which has one end connected to a different busbar 31.3□, as shown in Fig. 3a. A pair of elastic clamping pieces 6 of the clip terminal 6
a, 6a, and a pair of blade-shaped terminals 9a, 9a of the blade-shaped fuse 9 can be separately inserted therein. As a result, a fuse is interposed between the bus bars 3I and 31. Note that when the terminal portion 11a of the relay bus bar 11 is bent at a right angle, one of the insertion guides 6 of the elastic clamping pieces 5a, 5a
Since the portion b is hidden, it is preferable to provide a taper llb at the bent portion of the terminal portion 11a as shown in Fig. 3.

Similar to the body side connection block 1, the panel side connection block 12 accommodates a plurality of bus bars 3 vertically in parallel in a case 13, and has connectors 14 and 14' for connection to the panel side harness W formed at both end openings. ing. and,
As shown in FIGS. 4 and 5, a window 15 is opened in the front wall 13a of the case 13 as an electrical connection part to the instrument panel M, and a connector part 16 is opened in the rear wall 13b as an electrical connection part to the body side connection block l. is provided. This connector part 16 has a frame-shaped insulating housing 1 that matches the window 15.
A plurality of bus bar relay terminals 17 are accommodated in 6a.

The bus bar relay terminal 17 is connected to a connecting piece 17b from one side edge on both ends of a substrate 17a made of an elastic thin plate.
A folded overlapping piece 17c is formed to face the substrate 17a through the substrate 17a, and a bus bar 3 is inserted between the piece 17c and the substrate 17a to bring them into elastic contact, and the tips of the substrate 17a and the piece 17c are mutually connected. The insertion guide 17d is bent away from the insertion guide 17d. Furthermore, slits 16b for guiding the insertion of the bus bar 3 are provided on both side walls of the insulating housing 16a, corresponding to each bus bar relay terminal 17.

Further, on the back side of the instrument panel M attached to the panel P, a connector portion 18 for connecting to the window 15 of the panel side connection block 12 is provided as shown in FIG. This connector portion 18 is placed in an insulating housing 18a that aligns with the window 15.
A plurality of clip terminals 19 having a structure similar to that shown in FIG. 3 are accommodated, and slits 18b are provided on both side walls of the insulating housing 18a for guiding the insertion of the bus bar 3 into the pair of elastic clamping pieces 19a, 19a of the clip terminals 19. It has been established. The clip terminal 19 is connected and fixed in advance to the lead wires (or lead circuits) of various meters m, , m, . . . in the instrument panel M by soldering or the like.

In addition, in FIG. 1, 20 and 20' are combination switches S attached to the panel P.

A branch line for connection to S', 21.21' indicates a connector, and the branch line 21 (21') opens another window in the case 13 of the panel side connection block 12 similarly to the window 15, and connects it there. As shown in FIG. 7, the exposed bus bar can be formed at a desired position by connecting an electric wire 23 crimped to the bus bar relay terminal 17 and a terminal 22 having a similar structure.

In the above configuration, as shown in FIG.
At the same time, assemble the body side harness W4 in the same way as before, and connect the body side harness W4 to the connectors 4゜4' at both ends of the connection block 1, respectively.
The connectors 25 and 25' of , are fitted and connected. In parallel with this, the panel side connection block 12 and the panel side harness W are similarly fixed to the panel P, the connectors 14.14' and the connectors 26.26' are connected, and the instrument panel M is attached to the panel P with screws. By fixing with a fastener etc., the connector part 18 on the back of the instrument panel M is connected to the panel side connection block 12.
Each clip terminal 19 is fitted into and connected to the corresponding bus bar inside the bus bar. Also, each harness W4.

The connections of W, the aforementioned control equipment U, loads 1r, switches S, etc. are completed together with the above-mentioned work.

Finally, when the panel P is assembled to the dash board D, the window 7 of the body side connection block l is connected to the panel side connection block 1.
2 connector parts 16 are fitted, and the 5 bus bar relay terminals 1
Ryobu by 7? Corresponding busbars 3 within the ivy are connected.

(Thus, the electrical connections between the harnesses W and W and between the instrument panel M and the body side connection block 1 are achieved simultaneously with the assembly of the panel P to the dash board D. It is a schematic diagram which shows the wiring state of a wire harness.

1O to 13 show a second embodiment of the present invention,
The instrument panel can be directly connected to the body side connection block.

That is, the body side connection block 1' is connected to its case 2.
An instrument panel connection portion 27 is formed to protrude from the front wall 2a of the vehicle. As shown in FIG. 11, this instrument panel connection part 27 connects an L-shaped busbar 3' derived from a desired busbar 3 in the case 2 by branch connection to a box-shaped case 2' with two windows 7' opened. They are housed vertically in parallel. A recess 13c is provided in the case 13 of the panel side connection block 12', from which the instrument panel connection part 27 comes out to the front. On the other hand, on the back of the instrument panel M is the 12th
As shown in the figure, the connector part 1 connects to the window 15 of the panel side connection block 12' and the window 7' of the body side connection block 1'.
8.18' is provided.

In the case of this embodiment, the instrument panel connection part 27 and the connector part 1
8' allows the instrument panel M to directly connect to the body side connection block 1'.
Since it is connected to the panel side connection block 12', there is no need for a bus bar for relaying the two, and the block 12' can be made smaller. In addition, since the connector part of the instrument panel M can be formed separately into the connector part 18' for connecting meters and the connector part 18 for connecting other combination switches s, s', etc., the connector part 1B can be formed separately.
The configuration of the circuit (bus bar 3) in the panel-side connection block 12' connected to the panel side connection block 12' is also simplified. Figures 13a and b are
These are block diagrams each showing the connection of the wire harness according to the present embodiment. For example, the signal lines 28 and 28' are connected directly to the instrument panel M from the body-side connection block 1' or indirectly via the panel-side connection block 12'. Can be connected.

[For production]

According to the invention, one electrical connection of the instrument panel M is connected to the panel P
This is achieved simultaneously with the assembly of the Dashboard D to the Dashboard D.

The form of the harness is simplified by partially blocking the body side and panel side harnesses W, , W, and the branch line for connecting the meter as before for connecting the instrument panel.
There is no need for w, 'km@, and there is no need to pull out the drawer or connect individual connectors, which greatly improves work efficiency and frees up space within the panel.

In addition, the busbars 3 in the connection blocks 1, 1', 12, and 12' can be very easily branched and connected by using junction terminals 5 and relay busbars 11 as shown in Figure 2, making it easy to increase or decrease the number of circuits. It is.

Furthermore, body side and panel side harness W4.

By forming both harnesses into blocks, connection between both harnesses can be simultaneously achieved by assembling panel P, and connection between reconnection blocks 1 and 12 (1', 12') and between instrument panel M and connection block. The bonding structure can also be freely selected.

As explained above, according to the present invention, the form of the wire harness around the panel is significantly simplified, and the assembly and connection work of the instrument panel can be performed easily and in a short time. It is expected to improve productivity and significantly reduce costs.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing the first embodiment of the device of the present invention, Fig. 2 is an enlarged perspective view of the same body-side connection block as above, and Figs. 3 a and b are connection structures of bus bars and fuses using clip terminals, respectively. Figures 4 and 5 are perspective views showing the panel of Figure 1, respectively.
An enlarged perspective view and a rear view of the side connection block, Fig. 6 is an enlarged perspective view of the connector part of the instrument panel, Fig. 7 is a perspective view of the terminal for branch connection to the bus bar, and Fig. 8 is the assembly of the device of the present invention. FIG. 9 is a schematic diagram showing the wiring state of the wire harness by the device of the present invention, FIG. 10 is an exploded perspective view showing the second embodiment of the device of the present invention, and FIG. 11 is the same as that of FIG. 1O. An enlarged perspective view of the body side connection block, Figure 12 is a rear perspective view of the instrument panel, Figures 13a and b
are block diagrams of the wire harness according to the second embodiment, FIG. 14 is a perspective view showing the conventional wiring state around the instrument panel, and FIGS. 15 and 16 are schematic diagrams showing the conventional wiring state of the wire harness, respectively. It is a diagram. D... Datsushi board, E... Engine room, M
...Instrument panel, P...Instrument panel, W4
...Body side wire harness, W, ...Panel side wire harness, l, 1'...Body side connection block, 2...Case, 3, 3'...Bus bar, 4.4
', 14.14'...Connector, 7.7', 15...
・Window, 12.12'...Panel side connection block,! 3
... Clip terminal, 16.18.18'... Connector part, 27... Instrument panel connection part. Patent applicant Yazaki Sogyo Co., Ltd. Figure 6 (a) 121M (b) Figure 13

Claims (2)

[Claims] (1) Part of the body-side wire harness routed to the automobile dashboard and a part of the panel-side wire harness routed within the instrument panel are each replaced with a connection block consisting of a plurality of busbars housed in a case. , electrical connections are provided between the body-side connection block and the panel-side connection block, and between the panel-side connection block and the instrument panel attached to the instrument panel;
A wire harness device for an instrument panel section, characterized in that the plurality of electrical connection sections are connected simultaneously by assembling and fixing the instrument panel to a dashboard. (2) The body-side connection block according to claim 1 is provided with an electrical connection part to the instrument panel, and the electrical connection part of the instrument panel is formed divided into one for the panel-side connection block and one for the body-side connection block. A wiring harness device for an instrument panel section.