JP2004159434A - Electrical junction box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electrical junction box capable of simplifying its structure and facilitating wiring by shortening an exposed wire. <P>SOLUTION: The wires 31 routed in the identical plane inside a body 30 of the electrical junction box 1 are pulled out of an opening 32 provided at a side surface 33 in a peripheral direction of the respective wires 31 in the body 30 to take it as the exposure wire 31a. Therefore, at the time of connecting a connector 21 attached at a lower surface 33 corner of the body 30 with the exposure wires 31a, for example, the wires 31 can be shortened. The connector 21 can be cut according to the number of the exposure wires 31a to which a terminal 24 is attached. And the connector 21 is disposed at a position so as to be connected with a switch 40 detachable along a peripheral direction of a steering shaft 52 between a meter case 10 of a vehicle and the steering shaft 52, thus facilitating connecting the connector 21 with the switch 40 with a simple structure. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an electric junction box.
[0002]
[Prior art]
As a conventional electric junction box, there is one as shown in FIG. 8 (for example, see Patent Document 1).
That is, the electric connection box 100 has an internal circuit composed of the electric wire 101 and the pressure contact terminal 102, the upper case 103 and the lower case 104. An electric wire 101 is laid on the lower surface of the upper case 103 of the electric connection box 100 in a state where the upper case 103 is turned upside down, and a press-contact terminal 102 is driven into the electric wire 101 for connection. These press-connecting terminals 102 have tabs 102 a for connecting external terminals protruding from terminal holes on the bottom surface of a housing portion 105 formed on the upper surface side of the upper case 103 in order to connect to relays, fuses and the like mounted on the electric connection box 100. Connected to fuses, relays, etc.
[0003]
[Patent Document 1]
JP-A-8-227738 (page 3-4, FIG. 1)
[0004]
[Problems to be solved by the invention]
By the way, as shown in FIG. 9, when connecting the connector 110 to the electric wire 101 inside the electric connection box 100 or connecting to the wire harness 111, the opening provided on the front surface of the electric connection box 100. The wire 101 is pulled out from the wire 105 and connected.
For this reason, as shown in FIG. 10, when attaching the connector 120 connected to the electric wire 101 to the upper (lower) corner of the electric connection box 100, the electric wire 101 is pulled out from the opening 105 on the front surface, and It is necessary to turn the connector 120 to the upper surface (lower surface), and there is a problem that the electric wire 101 becomes long and obstructs.
Further, when a component such as a fuse is attached in a direction in which the electric wire is drawn, further detour is required.
[0005]
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide an electric connection box that simplifies the configuration by shortening an exposed electric wire and facilitates wiring.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, an electric junction box according to the present invention is an electric junction box in which a large number of electric wires are routed along a plane inside a box-shaped main body as described in claim 1. An opening is provided on a side surface of the main body with respect to a wiring surface of each electric wire, and a specific electric wire of each electric wire is drawn out from the opening as an exposed electric wire.
[0007]
In the electric junction box configured as described above, the electric wires routed on a plane in the main body of the electric junction box are provided on the upper surface or the lower surface which is a side surface with respect to the wiring surface of each electric wire in the main body. To make exposed wires. For this reason, when connecting the connector attached to the upper surface of a main body to this exposed electric wire, for example, the electric wire can be shortened.
[0008]
Further, the electric connection box according to the present invention, as described in claim 2, in the electric connection box according to claim 1, has a connector provided at an end of the exposed electric wire, the connector, Partitions that are continuous in the width direction of the substantially band-shaped substrate are arranged in parallel at predetermined intervals in the longitudinal direction of the substrate, and are capable of holding the insulating housing that can be cut to a predetermined length. A cover member, and a plurality of terminals that are individually arranged along the partition walls and to which the exposed electric wires are connected, and wherein the opening has a shape and dimensions that allow the insulating housing to pass through. And
[0009]
In the electric junction box configured as described above, a connector is attached to an end of the exposed electric wire. This connector can be cut and cut according to the number of exposed wires to which the terminals are attached. Since this connector is large enough to pass through an opening provided in the electric junction box main body, the connector can be pulled out from the opening after being attached to the exposed electric wire. For this reason, the exposed electric wire can be shortened, and the size of the opening does not need to be increased unnecessarily, so that the intrusion of dust and the like can be minimized.
[0010]
Also, in the electric connection box according to the present invention, as described in claim 3, in the electric connection box described in claim 2, the connector is arranged at a corner of the main body and is detachably fixed. It is characterized by having.
[0011]
In the electric junction box configured as described above, the connector attached to the end of the exposed electric wire is detachably fixed to the upper and lower corners of the electric junction box body near the opening. The exposed wire can be shortened.
[0012]
According to a fourth aspect of the present invention, in the electric connection box according to the fourth aspect, in the electric connection box according to the third aspect, the main body is inclinedly disposed below a meter case of the vehicle and the meter case. The steering shaft is disposed between the steering shaft and the frame portion of the steering column, which is disposed on the back surface of the steering column that is axially passed through the steering shaft. The connector is arranged at a position connectable to a detachable switch unit along a radial direction.
[0013]
In the electric junction box configured as described above, the connector attached to the main body can be connected between the meter case of the vehicle and the steering shaft to a detachable switch portion along the radial direction of the steering shaft. The connector can be easily connected to the switch section with a simple configuration.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of an electric junction box according to the present invention will be described in detail with reference to the drawings.
[0015]
As shown in FIGS. 1A and 1B, an electric connection box 1 having a built-in electronic component is arranged below a meter case 10. An electronic unit (ETC) 12 is attached to the back side of the meter case 10. The electronic unit 12 is disposed between the lean hose 13 and the meter case 10. As shown in FIG. 1C, the meter case 10 can be directly connected to the electric connection box 1 without providing the electronic unit 12.
[0016]
As shown in FIG. 2, the electric connection box 1 has a large number of electric wires 31 arranged along a plane inside a box-shaped main body 30, and a side surface of the main body 30 with respect to a wiring surface of each electric wire 31. For example, an opening 32 is provided at the center of a certain lower surface 33 (shown on the upper side surface in FIG. 2).
Further, as shown in FIG. 2, a specific electric wire 31 among the electric wires 31 can be pulled out from the opening 32 as an exposed electric wire 31 a.
[0017]
As shown in FIG. 2, a connector 21 is attached to an end of the exposed electric wire 31. As shown in FIG. 3, the connector 21 includes an insulating housing 22, a cover member 23 capable of holding the insulating housing 22, and a number of terminals 24 to which the exposed electric wires 31a are connected.
In the insulating housing 22, partition walls 22b that are continuous in the width direction of the substantially band-shaped substrate 22a are arranged side by side at predetermined intervals in the longitudinal direction of the substrate. Further, the insulating housing 22 can be cut to a predetermined length, and the connector 21 having a desired size can be easily formed according to the number of terminals 24 used.
[0018]
The opening 32 of the main body 30 is sized to allow the insulating housing 22 to pass through, and after the insulating housing 22 previously attached to the end of the electric wire serving as the exposed electric wire 31 a is drawn out of the main body 30 through the opening 32. , And the connector 21.
Therefore, there is no need to pull out the necessary electric wire 31 from the opening 32 when the connector 21 is attached, and the exposed electric wire 31a can be shortened. Further, the connector 21 can be easily assembled.
[0019]
As shown in FIG. 4, at the corner of the lower surface 33 of the main body 30 of the electric junction box 1, a switch section 40 of a steering column 51 on which a steering section 50 is attached with a connection section 20 having an inverted T-shaped cross section (see FIGS. 6 (see FIG. 4 and FIG. 7), and a concave portion 21a of the connector 21 is fitted into the head portion 20a of the connecting portion 20 and is detachably fixed.
In the fixed state, the connector 21 is fixed so as not to slide in the connection direction with the switch unit 40 by engaging the lock projection of the flexible piece with the lock hole of the head 20a. .
[0020]
Next, how the electric junction box 1 is attached as described above will be described.
As shown in FIGS. 5 to 7, the main body 30 of the electric connection box 1 is provided between the meter case 10 of the vehicle and the steering shaft 52 inclined below the meter case 10. It is arranged and attached to.
Then, the connector 21 attached to the main body 30 is attached to and detached from the frame 53 of the steering column 51 axially passed through the steering shaft 52 along the radial direction of the steering shaft 52 (arrow A in FIG. 5). It is arranged at a position where it can be connected to a mating terminal 41 provided in a possible switch unit 40.
[0021]
As described above, according to the electric connection box 1 described above, the opening 32 provided in the main body 30 of the electric connection box 1 is provided in the vicinity of the side surface on which the connector 21 is provided. The exposed electric wire 31a to be drawn out can be shortened.
[0022]
When the switch is removed, the connector 21 is slidable by releasing the engagement between the lock projection and the lock hole with respect to the electric connection box 1 main body 30, and the electric connection box 1 is disconnected by disconnecting from the mating terminal. When assembled to the vehicle, the switch section 40 of the steering column 51 can be easily attached to and detached from the connector 21, and maintenance can be easily performed.
[0023]
Further, since the connector 21 cannot be slid in the fixed state, the electric connection box 1 and the switch section 40 of the steering column can be collectively connected at the time of initial vehicle assembly.
Furthermore, since the electric connection box 1 and the connector 21 are connected by the exposed electric wire 31a, the electric wire 31 can be bent when the connector 21 is attached, and the attachment becomes easy.
[0024]
In addition, the electric connection box 1 of the present invention is not limited to the above-described embodiment, and appropriate modifications, improvements, and the like can be made.
For example, in each of the above-described embodiments, the opening 32 is provided on the lower surface 33 of the main body 30 and the connector 21 is attached. However, the present invention is not limited to this, and both may be provided on the upper surface side of the main body 30.
[0025]
【The invention's effect】
As described above, according to the electric connection box according to the present invention, as described in claim 1, the electric wires routed in a plane in the main body of the electric connection box are connected to each other in the main body. Since the exposed electric wire is drawn out from the opening provided on the side surface with respect to the cable surface, the electric wire can be shortened when connecting a connector to be attached to the upper or lower surface of the main body, for example.
[0026]
According to the electrical junction box of the present invention, as described in claim 2, the connector is attached to the end of the exposed electric wire, and the connector is composed of a cuttable insulating housing and a cover. It can be formed by cutting according to the number of exposed wires to which the terminals are attached. Further, since this connector is large enough to pass through an opening provided in the electric junction box main body, the exposed electric wire to which the connector is attached can be pulled out from the opening. For this reason, the exposed electric wire can be shortened, and the size of the opening does not need to be increased unnecessarily, so that the intrusion of dust and the like can be minimized. Also, the connector can be easily assembled.
[0027]
According to the electric junction box according to the present invention, as described in claim 3, the connector attached to the end of the exposed electric wire is provided at the corner of the upper surface or the lower surface of the electric junction box body near the opening. Since it is detachably fixed, the exposed electric wire can be shortened.
[0028]
According to the electric connection box of the present invention, as described in claim 4, the connector attached to the main body can be attached and detached between the meter case and the steering shaft of the vehicle along the radial direction of the steering shaft. Since the connector is arranged at a position connectable to the switch unit, the connector can be easily connected to the switch unit with a simple configuration.
[Brief description of the drawings]
FIG. 1A is a perspective view showing an embodiment of an electric junction box according to the present invention, and FIGS. 1B and 1C are block diagrams.
FIG. 2 is a perspective view of the electric connection box as viewed from below.
FIG. 3 is an exploded perspective view of the connector.
FIG. 4 is a perspective view showing a state where a connector is attached to a lower surface of the electric connection box.
FIG. 5 is an exploded perspective view showing a state where an electric connection box is attached.
FIG. 6 is an exploded perspective view showing the connection between the electric junction box and the switch unit.
FIG. 7 is a side view showing attachment of the connector to the electric junction box main body.
FIG. 8 is an exploded perspective view showing a conventional electric junction box.
FIG. 9 is a perspective view showing a state where a connector and a wire harness are attached to a conventional electric connection box.
FIG. 10 is a perspective view showing a problem in a conventional electric junction box.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Electric connection box 10 Meter case 21 Connector 22 Insulating housing 22a Substrate 22b Partition wall 23 Cover member 24 Terminal 30 Main body 31 Electric wire 31a Exposed electric wire 32 Opening 40 Switch part 51 Steering column 52 Steering shaft 53 Frame part

Claims (4)

An electrical junction box in which a number of electric wires are routed along a plane inside a box-shaped body,
An electric connection box, wherein an opening is provided on a side surface of the main body with respect to a wiring surface of each electric wire, and a specific electric wire among the electric wires is drawn out from the opening as an exposed electric wire. It has a connector provided at the end of the exposed electric wire, the connector, a partition that is continuous along the width direction of the substrate formed in a substantially band shape is arranged side by side at predetermined intervals in the longitudinal direction of the substrate, and An insulating housing that can be cut to a predetermined length, a cover member that can hold the insulating housing, and a number of terminals that are individually arranged along the partition walls and to which the exposed electric wires are connected, and The electrical junction box according to claim 1, wherein the opening has a shape and a size that allow the insulating housing to pass therethrough. The electrical connection box according to claim 2, wherein the connector is arranged at a corner of the main body and is detachably fixed. The main body is disposed between a meter case of a vehicle and a steering shaft inclined below the meter case, and is disposed on a back surface of a steering column axially passed through the steering shaft. The connector is disposed at a position connectable to a detachable switch portion along a radial direction of the steering shaft with respect to a frame portion of the steering column that is axially passed through the connector. Electrical junction box described in.

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