JPH08339874A - Relay converting structure - Google Patents

Abstract

PURPOSE: To connect a micro ISO relay to an electric connection box provided with a receiving part for an ISO relay. CONSTITUTION: A converting housing 7 of relay converting structure of mounting a micro ISO relay 2 to be connected to an ISO relay receiving part 6 and four sheets of converting bus bars 8 to 11 received in the converting housing 7 are provided in an electric connection box 5 provided with the ISO relay receiving part 6. A lower end of these bus bars 8 to 11 is connected to an internal circuit of the electric connection box through terminal inserting ports 6a to 6d of the ISO relay receiving part 6, also to connect an upper end of each bus bar 8 to 11 to each terminal of a micro ISO relay 1 mounted in an upper part of the converting housing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a relay conversion structure capable of connecting a micro ISO relay to an electrical junction box for connecting an ISO relay.

[0002]

2. Description of the Related Art A relay for switching an electric circuit is inserted and connected to an electric connection box such as a junction block or a relay block mounted on an automobile. Conventionally, generally, ISO (Internatio) is used as the relay.
nal Organization for Strandardization (International Organization for Standardization) relays have been used, but in recent years, ISO
It is being replaced by a micro (MICRO) ISO relay that is smaller than the relay.

[0003]

However, according to the ISO
The relay and the micro ISO relay are completely incompatible because the positions and sizes of the plug terminals are different. That is,
FIG. 4A is a layout view of the terminal accommodating ports a to d of the relay accommodating portion connected to the micro ISO relay, the terminal accommodating ports a and b face each other in the vertical position, and the terminal accommodating ports c and d are the lateral position. Are arranged in an inverted T-shape. on the other hand,
FIG. 4B is a layout view of the terminal accommodating ports a ′ to d ′ of the relay accommodating portion that is connected to the ISO relay, and the terminal accommodating port a ′.
And b ′ face each other in the vertical position, and the terminal receiving ports c ′ and d ′ face each other in the horizontal position and the vertical position, and are arranged in a cross shape. Since the ISO relay and the micro ISO relay have different terminal sizes, the terminal accommodating ports c and d and the terminal accommodating ports c ′ and d ′ have different dimensions.

For this reason, the micro ISO relay cannot be connected to the electrical junction box for connecting the ISO relay. Therefore, in order to use the micro ISO relay, it is necessary to replace the electrical junction box provided with the ISO relay accommodation part with the electrical junction box provided with the micro ISO relay accommodation part, and various kinds of electrical junction boxes are newly added. There is a problem that it needs to be manufactured and the cost is high.

The present invention has been made to solve the above problems, and provides an electrical junction box having an ISO relay housing.
It is intended to enable connection of a micro ISO relay.

[0006]

To achieve the above object, the present invention provides a relay conversion structure according to claim 1, wherein a micro ISO relay is attached to an electrical junction box provided with an ISO relay accommodating portion. A conversion housing connected to the ISO relay accommodating portion, and four busbars accommodated in the conversion housing. The lower ends of these busbars are connected to a circuit accommodated in an electrical junction box, and Provided is a relay conversion structure in which an upper end is connected to each terminal of a micro ISO relay attached to an upper part of a conversion housing.

[0007] The conversion housing is provided at its lower portion with four terminal insertion openings for an ISO relay which are connected to the bus bar of the internal circuit in the electrical connection, and at the upper portion thereof is a micro ISO relay terminal into which the terminals of the micro ISO relay are connected.
The four bus bars are provided in the bus bar housing, while the four bus bar housings are provided with four terminal insertion holes for the relay and communicating the corresponding upper and lower one terminal insertion holes. The lower end is inserted through the ISO relay terminal insertion port, and the upper end is located inside the micro ISO relay terminal insertion port. (Claim 2)

That is, the lower end of each bus bar is inserted into the electric connection box and connected to the tab of the bus bar housed inside the electric connection box through a relay terminal or the like, while the upper end of each bus bar is connected to the upper end of each bus bar. A female terminal is provided and is connected to the terminal of the micro ISO relay inserted from the upper terminal insertion port of the conversion housing.

The upper part of the conversion housing is a micro I
It is preferable that the lower portion of the housing of the SO relay is internally fitted.

[0010]

In the present invention, first, the four bus bars are housed in advance in the bus bar housing portion of the conversion housing. Then, the conversion housing is fitted into the ISO relay accommodating portion of the electric connection box, the lower terminal portions of each bus bar are inserted into the electric connection box, and tabs and relay terminals of the bus bar of the internal circuit are inserted. Connect through. Then, the micro ISO relay is attached to the upper part of the conversion housing, and the four terminals of the micro ISO relay are inserted into the terminal insertion openings on the upper part of the conversion housing to connect with the respective bus bars. In this way, the micro ISO relay can be connected to the ISO relay accommodating portion via the conversion housing.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the illustrated embodiments. It should be noted that parts having the same configurations and functions as those of the conventional technique in FIG. 4 are denoted by the same reference numerals, and detailed description thereof will be omitted. FIG.
As shown in (B), the electrical junction box 5 is provided with an ISO relay accommodating portion 6, and an ISO relay accommodating portion 6 is provided above the accommodating portion 6.
Terminal insertion holes 6a to 6d for inserting the terminals 2a to 2d of the relay 2 are provided. Although not specifically shown, each terminal insertion opening 6a to 6d is provided in the accommodation portion 6.
Corresponding to, the relay terminal connected to the tab of the bus bar forming the internal circuit is arranged.

The lower portion 2e of the ISO relay 2 is provided with a recessed portion which fits from the upper side to a predetermined depth on the outer periphery of the upper portion 6e of the accommodating portion 6, and each terminal 2a exposed in the recessed portion.
When ~ 2d is inserted into each terminal insertion opening 6a-6d, each terminal 2a-2d comes to be connected to the relay terminal.

A micro IS instead of the ISO relay 2
To connect the O relay 1, a conversion housing 7 and four bus bars 8 to 11 shown in FIG. 1 (A) are provided. As shown in FIG. 1 (A), FIG. 2 and FIG. 3, terminal insertion ports 7a to 7d for inserting the terminals 1a to 1d of the micro ISO relay 1 in the upper portion 7e of the conversion housing 7.
Has been opened.

Further, the lower portion 7f of the conversion housing 7 is provided with a concave portion which fits into the upper portion 6e of the ISO relay accommodating portion 6 from above to a predetermined depth. As shown in FIG.
Four terminal insertion openings 12a to 12d that communicate with 6d are provided. The terminal insertion ports 7a to 7d for the micro ISO relay opened on the upper end surface of the conversion housing 7 and the terminal insertion ports 12a to 12d for the ISO relay opened on the bottom surface of the concave portion of the lower portion 7f are corresponding terminal insertion ports 7a. And 12
a, 7b and 12b, 7c and 12c, and 7d and 12d are communicated with four bus bar accommodating portions (not shown) provided through the inside of the conversion housing 7.

In each of the bus bar accommodating portions, conversion bus bars 8 to 11 are accommodated. These bus bars 8-9
Has tab-shaped male terminals 8b to 11b at the lower end, and curl-shaped female terminals 8a to 10a and a slit-shaped female terminal 11a at the upper end.

The upper female terminal 8a of the first conversion busbar 8 shown in FIG. 2 (B) is located inside the terminal insertion port 7a of the conversion housing, and the second conversion busbar shown in FIG. 2 (C). The female terminal 9a of 9 is located inside the terminal insertion port 7b, and the female terminal 10a of the third conversion bus bar 10 shown in FIG. 2 (D) is located inside the terminal insertion port 7c.
The female terminal 11a of the fourth conversion bus bar 11 shown in is located inside the terminal insertion opening 7d.

The tabs 8b to 11b provided under the first to fourth conversion bus bars 8 to 11 have terminal insertion holes 12 at the lower end.
After passing through a to 12d, it is inserted into the terminal insertion ports 6a to 6d of the housing portion 6 provided in the electric connection box and connected to the tab of the bus bar of the internal circuit and the relay terminal in the same manner as the terminal of the ISO relay.

Of the above conversion busbars, the first to third conversion busbars 8 to 10 are provided with bent portions 8c to 10c, and female terminals 8a to 10a at the upper end and male terminals 8b at the lower end are provided.
10b are shifted in the vertical direction, and the terminal insertion openings 7a to 7c and 12a to the upper and lower ends of the conversion housing 7 are respectively moved.
It is aligned with the position of 12c. Fourth conversion busbar 1
Since the positions of the upper and lower terminal insertion openings of No. 1 are the same, no bent portion is provided, but since the directions of the upper and lower terminal insertion openings are 90 degrees in phase, the upper end of the bus bar 11 is folded back to form a slit shape. The female terminal 11a is provided, and the terminal connection direction is orthogonal.

When the micro ISO relay 1 is connected to the electrical junction box 5 provided with the relay accommodating portion 6 for connecting the ISO relay 2 having the above structure, the concave portion of the lower portion 7f of the relay converting housing 7 is inserted into the upper portion 6e of the accommodating portion 6. Fit the outer periphery of the from above. With the fitting, the first housing previously housed in the housing 7
~ Each male terminal 8 at the lower end of the bus bar 8 to 11 for the fourth conversion
b to 11b are inserted into the terminal insertion openings 6a to 6d in the housing portion 6 and connected to the internal circuit.

Next, the lower part 1 of the micro ISO relay 1
When the concave portion of e is fitted into the outer periphery of the upper portion 7e of the conversion housing 7 from above, each terminal 1a of the micro ISO relay 1 is
1d are inserted into the upper end terminal insertion openings 7a to 7d of the housing 7, and are inserted and connected to the female terminals 8a to 11a of the first to fourth conversion bus bars 8 to 11, respectively. Thus, via the relay conversion housing 7 and the bus bars 8 to 11, I
The micro ISO relay 1 can be attached to the electrical junction box 5 provided with the SO relay housing 6.

[0021]

As is clear from the above description, in the relay conversion structure of the present invention, the micro ISO relay is simply connected by connecting the conversion housing accommodating the conversion bus bar to the ISO relay accommodating portion. Can be connected. Therefore, there is no need to re-form the ISO relay housing portion of the electrical junction box to the micro ISO relay housing portion as in the conventional case, and it is not necessary to replace the electrical junction box. Further, since there is only one type of housing for relay conversion, it can be manufactured at low cost.

[Brief description of drawings]

FIG. 1A is an exploded perspective view showing a state in which a micro ISO relay is used by using a relay conversion housing of the present invention, and FIG. 1B is an exploded perspective view when an ISO relay is used.

FIG. 2A is a perspective view of a relay conversion housing,
(B) is a perspective view of the first conversion busbar, (C) is a perspective view of the second conversion busbar, (D) is a perspective view of the third conversion busbar, and (E) is a perspective view of the fourth conversion busbar. It is a figure.

FIG. 3 shows a relay conversion housing, (A) is a plan view, and (B) is a front view.

4A is a top view of the accommodating portion of the micro ISO relay, and FIG. 4B is a top view of the accommodating portion of the ISO relay.

[Explanation of Codes] 1 Micro ISO Relay 1a to 1d Terminal 2 ISO Relay 2a to 2d Terminal 5 Electrical Connection Box 6 ISO Relay Housing 7 Relay Conversion Housing 8-11 Conversion Busbar 8a-11a Female Terminal 8b-11b Male Terminal

Claims (2)

[Claims] 1. A relay conversion structure in which a micro ISO relay is attached to an electrical junction box provided with an ISO relay accommodating portion, and a conversion housing connected to the ISO relay accommodating portion and accommodated in the conversion housing. 4 busbars for conversion are provided, the lower ends of these busbars are connected to the internal circuit of the electrical junction box through the terminal insertion port of the ISO relay accommodating portion, and the upper ends of the busbars are attached to the upper part of the conversion housing. A relay conversion structure configured to connect to each terminal of a micro ISO relay. 2. The conversion housing is provided with four terminal insertion ports for an ISO relay, which are connected to a bus bar of an internal circuit of the electric connection box, on the lower part, and terminals of a micro ISO relay are inserted and connected to the upper part. Micro IS
The O-relay has four terminal insertion openings, and the four upper and lower terminal insertion openings communicate with each other. On the other hand, the four busbars are accommodated in the busbar accommodation section. The relay conversion structure according to claim 1, wherein the lower end is inserted through the ISO relay terminal insertion port, and the upper end is located inside the micro ISO relay terminal insertion port.