JPH07123567A - Electric joint box - Google Patents

Abstract

PURPOSE:To provide an electric joint box for simplifying the wiring while reducing the cost by decreasing the number of components. CONSTITUTION:Main connector parts 101, 111 are formed integrally in a relay box 150 and connected respectively with an earth wire 161. A two pole subconnector part 121 is then connected with the wires of switches and fitted to the fitting part 151 of the relay box 150 thus coupling the subconnector part 151 with a main connector part 101 before a double stop holder 132 is loaded. Subsequently, a four pole subconnector part 141 is connected with the wires of switches and fitted to the fitting part 151 of the relay box 150. An integrally formed double stop holder part 144 is then fitted to the main connector part 111 and coupled therewith before the double stop holder 132 is loaded. The wiring work can be divided into two processes and one type of double stop holder 132 can be shared.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-pole cassette connector, a main connector portion for accommodating a grounding terminal,
The present invention relates to an electric connection box which is divided into a sub-connector portion accommodating other terminals and which is arranged adjacent to the main body of the block.

[0002]

2. Description of the Related Art Conventional electric junction boxes include, for example, a 4-pole cassette connector, a 6-pole cassette connector, etc., which are housed in advance in a block body, but the wiring work of electric wires is simplified. Therefore, as shown in FIG. 4, the 4-pole cassette connector 11 and the 6-pole cassette connector 31 are provided.
Has been developed as a stand-alone unit, which is attached to a block body (for example, a relay box) 51.

In this case, the four-pole cassette connector 11
Has an insertion hole 12 into which a terminal of a relay is inserted, and is divided into four vertically and horizontally. For example, a female terminal (not shown) connected to the terminal of the relay is installed in each insertion hole 12. There is. Among them, the ground electric wire 14 connected to a ground power source (not shown) is wired to one terminal, and the electric wire 16 connected to a switch (not shown) or the like is wired to the other terminal. In addition, on one opposing side, the relay box 51
A locking portion 18 that serves as a locking portion when mounted on is configured. The four-pole cassette connector 11 has four double locking portions and has a double locking holder 21 for fixing (double locking and locking) terminals connected to terminals of the relay. It is installed from.

In the 6-pole cassette connector 31, an insertion hole 32 into which a relay terminal is inserted is divided into six vertically and horizontally, and each insertion hole 32 is connected to a relay terminal, for example, a female terminal. (Not shown) is installed. Among them,
A ground wire 34 connected to a ground power supply (not shown) is wired to one terminal, and a wire 36 connected to a switch (not shown) or the like is wired to the other terminal. In addition, a locking portion 38 that serves as a locking portion when mounted on the relay box 51 is formed on one opposing side surface. This 6-pole cassette connector 31 has a double locking holder 41 which has six double locking portions and which fixes (double locks and locks) the terminals connected to the terminals of the relay. It is installed from.

When the four-pole cassette connector 11 is mounted on the relay box 51, it is inserted into the cassette mounting portion 52 of the relay box 51 from the bottom surface side, and the locking portions 18 on each side surface are inserted into the relay box 51. It is mounted by being locked to the base plate 54. When mounting the 6-pole cassette connector 31 to the relay box 51, the same is true. Insert the cassette connector 31 of the relay box 51 into the cassette mounting portion 53 from the bottom side, and lock the locking portions 38 on each side of the relay box 51. Board 5
Attach by locking to 4.

FIG. 5 shows a cassette connector 11 for four poles and 6
It is explanatory drawing which shows the manufacturing method of the electric connection box when the pole cassette connector 31 is made independent as a single body. In the figure, for convenience of explanation, the relay box 51 has two cassette connectors 11 for four poles and one cassette connector 3 for six poles.
It is drawn for the case of wearing 1. When making an electrical junction box, first, 1 of each 4 pole cassette connector 11
The ground electric wire 14 is wired to one terminal, and the electric wire such as a switch is wired to the other terminal, while the ground electric wire 34 is wired to one terminal of the 6-pole cassette connector 31 and the switch or the like is connected to the other terminal. Wire the electric wire 36 of. Further, the grounded electric wires 14, ..., 34, which have been wired, are bundled and electrically connected.

Then, the various electric wires 14, ..., 16 ..., 34
..., 36 ... Wiring 4 pole cassette connector 1
The cassette connectors 31 for 1 and 6 poles are attached to the corresponding cassette mounting portions 52, 53 of the relay box 51.

[0008]

Conventionally, at the time of manufacturing, the ground electric wires 14, 34 ... Connected to the ground power source are wired to the respective cassette connectors 11, 31.
The electric wires 16, 36, ... Connected to switches and the like are wired, but the wiring work is performed for each cassette connector 11, 3.
Since the ground electric wires 14, 34 ... Wired to 1 are often jointed to the main connector portion, they must be collectively carried out in the same process. Therefore, at the time of wiring work, it is not possible to connect the cassette connector 11 for 4 poles and the cassette connector 31 for 6 poles to the relay box 51 in separate steps, which is very complicated.

When using the 4-pole cassette connector 11, it is necessary to use the double-lock holder 21 having four double-lock portions, and the 6-pole cassette connector 31.
When using, it is necessary to use the double locking holder 41 having six double locking portions, so that the number of parts to be prepared in advance in the manufacturing line increases, which causes an increase in manufacturing cost. There is.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an electrical junction box capable of simplifying the wiring process and reducing the number of parts to reduce the cost. And

[0011]

The invention according to claim 1 is
The multi-pole cassette connector is divided into a main connector portion accommodating a grounding terminal and a sub-connector portion accommodating other terminals, and the main connector portion is provided in a block body, and the block body is A fitting portion is provided adjacent to the main connector portion for fitting and locking the sub connector portion of the cassette connector.

According to a second aspect of the present invention, there is provided the electric connection box according to the first aspect, wherein the fitting portion is capable of selectively fitting and locking sub-connector portions of a plurality of types of cassette connectors. The main connector section and the plurality of types of sub-connector sections are configured to insert a holder for double locking terminals, and a predetermined sub-connector section among the plurality of types of sub-connector sections is connected to the main connector section. The double locking holder part to be inserted is integrally provided.

The invention according to claim 3 is the invention according to claim 1 or 2.
The electrical connection box described above is characterized in that the main connector part and the plurality of types of sub-connector parts have a connecting part for connecting both.

[0014]

According to the first aspect of the present invention, for example, after the ground wire is wired in the main connector portion of the block body, the sub connector portion is fitted and locked to the adjacent fitting portion in the main connector portion. Therefore, the ground wire can be sub-assembled to the block body.

According to the second aspect of the present invention, since the fitting portion of the block main body can selectively fit and lock the sub-connector portions of the plurality of types of cassette connectors, the main connector portion of the block main body is Plural kinds of sub-connector parts can be freely adjacent to each other. Further, among the plurality of types of sub-connector parts, a predetermined sub-connector part is integrally provided with a double locking holder part to be inserted into the main connector part. Therefore, for example, when the connector has 6 poles, it is divided. Since the double locking holder is provided on the 4-pole sub-connector, when the sub-connector is fitted and locked to the fitting part, the double locking holder will fit into the main connector of the block body. , Double lock the ground terminal. Further, a 4-pole double lock holder can be attached to the 4-pole sub-connector portion to double lock the terminals.

When the connector has four poles, when the divided two-pole sub-connector portion is fitted and locked in the fitting portion, the main connector portion on the block body side becomes four poles in total.
The double locking holder for four poles can be used as it is. That is, the double locking holder can be shared with either the 6-pole connector or the 4-pole connector.

In the third aspect of the present invention, the main connector section and the plurality of types of sub-connector sections are provided with a connecting section for connecting the two. There is no need to specify it according to the arrangement of the parts, and the degree of freedom in design increases.

[0018]

The present invention will be described below with reference to the illustrated embodiments.

FIG. 1 is an explanatory view for explaining the structure of an electric junction box according to an embodiment of the present invention. In this embodiment, a case will be described in which a main connector portion and a sub connector portion are connected to select a 4-pole connector and a 6-pole connector.

Two-pole main connector portions 101, 111
Is previously formed integrally with the relay box 150. Each of the main connector portions 101 and 111 has the same configuration, and each has two insertion holes into which the terminals of the relay are inserted, and one of the insertion holes is connected to the ground wire 161. A mold terminal (not shown) is housed. Then, each one side (fitting portion 151, which will be described later)
Although not shown in detail, a wedge-shaped convex portion is formed on a side surface facing the 152) as a connecting portion with sub connector portions 121 and 141 described later.

On the other hand, each main connector section 101, 111
Fitting portions 151, 152 for fitting and locking the sub-connector portions 121, 141 are formed on the board portion of the relay box 150 in the portion adjacent to. Each fitting part 15
1, 152 have the same size in this embodiment,
Both of them can fit and lock up to the 4-pole sub-connector.

The two-pole (for four-pole relay) sub-connector section 121 has two insertion holes into which relay terminals are inserted, and each insertion hole has an electric wire connected to, for example, a switch. A female terminal (not shown) to be connected is housed. Then, one side surface (the fitting portion 1 of the relay box 150)
A wedge-shaped recess 122 is formed on the side surface of the side adjacent to the main connector portion 101 when it is mounted on the connector 51. The wedge-shaped recess 122 is fitted to the connecting portion (wedge-shaped protrusion) of the main connector portion 101.
In addition, on each of the opposing side surfaces next to the side surface on which the wedge-shaped recess 122 is formed, the pair of locking portions 12 that become the portions for fixing the mounting of the relay box 150 to the fitting portion 151.
3 are configured.

The 4-pole (for 6-pole relay) sub-connector section 141 has four insertion holes into which relay terminals are inserted, and each insertion hole is provided with an electric wire connected to, for example, a switch. A female terminal (not shown) to be connected is housed. Then, one side surface (the fitting portion 1 of the relay box 150)
A wedge-shaped recess 142 is formed on the side surface adjacent to the main connector portion 111 when it is attached to the connector 52. The wedge-shaped recess 142 is fitted to the connecting portion (wedge-shaped protrusion) of the main connector portion 111.
A double locking holder portion 143 is integrally formed at one end on the lower side of the figure where the wedge-shaped recess 142 is formed (that is, one end where a double locking holder 131 described later is fitted). The double locking holder portion 143 is provided with a plurality of double locking portions 144 that are respectively inserted into the two insertion holes into which the terminals of the relay on the main connector portion 111 side are inserted. In the case of this embodiment, the main connector portion 11
The terminals to be mounted in the two insertion holes into which the terminals of the relays on the first side are inserted respectively require two sets of double locking portions, and therefore two sets of double locking portions are required. Two sets of 144 are provided in total. The two sets of the double locking portions 144 lock the terminals mounted in the insertion holes when they are fitted into the bottom surface side of the insertion holes of the main connector portion. In addition, in the case where the terminals inserted into the two insertion holes of the main connector portion 111 only require the insertion of one double locking portion, the double locking holder portion 143 is provided with a double locking member. The total number of stops is two.
In addition, on each of the opposing side surfaces adjacent to the side surface on which the wedge-shaped recess 142 is formed, the pair of locking portions 14 serving as portions for fixing the mounting of the relay box 150 to the fitting portion 152.
5 are configured.

On the other hand, the double locking holder 131 is fitted into the bottom surface side of each insertion hole of a 4-pole connector formed by connecting the main connector portion 101 and the sub connector portion 121, or a single sub holder. The connector portion 141 is configured to include a total of four double locking portions 132, one pair of which is fitted into the bottom surface side of each insertion hole. These 4 sets of double locking parts 1
Reference numeral 32 also serves to lock the terminals in the insertion holes of the four-pole connector or the terminals in the insertion holes of the sub connector portion 141. Two pairs of double locking part 13
The reason why a total of 4 sets of 2 are provided is the same as described above, and the terminals mounted in the insertion holes of the main connector part 101, the sub connector part 121, and the sub connector part 141 are 2 sets of 2 sets each. This is because a locking portion is required.
It should be noted that the terminals mounted in the respective insertion holes of the four-pole connector configured by connecting the main connector portion 101 and the sub connector portion 121, and the terminals mounted in the respective insertion holes of the sub connector portion 141. However, if it is sufficient to insert one double locking portion, the total number of the double locking portions 132 provided in the double locking holder 131 may be four.

When the main connector section 101 and the sub-connector section 121 form a four-pole connector, the sub-connector section 121 is inserted into the fitting section 151 from the bottom side of the relay box 150, and the sub-connector section 121 is inserted. The side surface of the connecting portion (wedge-shaped recess) 122 is attached to the main connector portion 10.
Fit to the side surface portion of the connecting portion 1 (wedge-shaped convex portion).
Then, the sub connector portion 121 is moved upward in the drawing as it is in the fitting portion 151, and the sub connector portion 121 is moved.
The connecting portion 122 of is slid along the connecting portion of the main connector portion 101. Thus, when the sliding of the connecting portion 122 of the sub connector portion 121 reaches a certain amount, the sub connector portion 12
Since one pair of locking portions 123 is locked to the substrate portion of the relay box 150, the sub-connector portion 121 does not fall out, and a 4-pole connector is formed.

After the 4-pole connector is formed, the double locking holder 131 is attached to the 4-pole connector from the bottom side, and the four double locking portions 132 are used to connect the terminals in the insertion holes. Lock the attachment.

When the main connector section 111 and the sub-connector section 141 constitute a 6-pole connector, the sub-connector section 141 is inserted into the fitting section 152 from the bottom side of the relay box 150, and the sub-connector section 141 is inserted. The side surface of the connecting portion (wedge-shaped recess) 142 is attached to the main connector portion 11.
Fit to the side surface portion of the connecting portion 1 (wedge-shaped convex portion).
At the same time, the tip of each double locking portion 144 of the double locking holder portion 143 integrated with the sub connector portion 141 is inserted into the bottom side of the insertion hole of the main connector portion 111. Then, the sub-connector portion 141 is moved upward in the drawing as it is in the fitting portion 152, and the connecting portion 142 of the sub-connector portion 141 is slid along the connecting portion of the main connector portion 111. Thus, the connecting portion 14 of the sub-connector portion 141
When the sliding amount of 2 reaches a certain amount, first, the sub connector portion 14
Each double locking part 144 of the double locking holder part 143 integrated with 1 is deeply inserted into the insertion hole of the main connector part 111, and the mounting of the terminal in the insertion hole of the main connector part 111 is locked. . Next, the pair of locking portions 145 of the sub connector portion 141 are locked to the board portion of the relay box 150. As a result, the sub-connector portion 141 does not fall out, and a 6-pole connector is formed.

After the 6-pole connector is formed, the double locking holder 131 is attached to the sub connector portion 141 from the bottom surface side, and the four double locking portions 132 are used to set each of the sub connector portions 141. Lock the mounting of the terminal in the insertion hole.

Next, an example of a manufacturing process (wiring processing method) of the electrical junction box of this embodiment will be described.

FIG. 2 is an explanatory diagram for explaining the processing at the preceding stage of the wiring processing of this embodiment. The figure shows the relay box 15
0 is viewed from the back side, and for convenience of explanation, the relay box 150 has three main connector sections 101 and 3
One mating portion 151 is drawn and simplified. In addition, the fitting portion 151 in this case is also uniformly configured for four poles, so that a total of up to six poles can be configured by combining the pre-integrated two pole main connector portion 101. It has become.

The main connector portion 101, which is integrally installed in advance in the relay box 150, is a feature of the present invention, and needless to say, accommodates the terminal for the ground wire. After the terminal for the ground wire is attached to each main connector section 101 in the previous step, in the step of this step, ground is provided between the terminal for each ground wire in each main connector section 101 and the ground power supply (not shown). Wire the electric wire 161. Each ground electric wire 161 is bundled into one and connected electrically as necessary.

FIG. 3 is an explanatory view for explaining the processing at the latter stage of the wiring processing of this embodiment. In the process of this stage, for example, first, wires 171 connected to, for example, a switch (not shown) or the like are wired to the respective terminals mounted on the two bipolar sub-connector units 121, and this wiring is performed. The latter two sub-connector portions 121 are respectively fitted to the upper two fitting portions 151 in the drawing of the relay box 150. Then, for each terminal mounted on the four-pole sub-connector section 141, for example, an electric wire 1 connected to a switch (not shown) or the like.
81 are wired, and the sub-connector portion 141 after wiring is fitted to the fitting portion 152 below the relay box 150 in the drawing. A double locking holder 131 (not shown) is attached to the 4-pole connector constituted by the main connector portion 101 and the sub-connector portion 121, and the sub-connector portion 141 forming part of the 6-pole connector.

As described above, in this embodiment, the two-pole main connector portion is integrally formed in advance with the relay box, and the double locking holder portion is provided for the fitting portion adjacent thereto. Since the desired connector is configured by selectively connecting the predetermined sub-connector parts including the sub-connector part, first wire the ground wire to the main connector part and then connect the wires such as switches to each sub-connector part. Wiring can be performed and the wiring process can be divided into two steps. As a result, the wiring process can be simplified.

Further, since the double locking holder portion is integrally formed in advance with the 4-pole sub-connector portion, when it is connected to the main connector portion to form a 6-pole connector, it is attached to the 4-pole connector. The double locking holder can be shared. As a result, the number of parts can be reduced.

In this embodiment, the main connector portion is 2
Although it has been described that the number of poles is two, the number of poles is not limited to two, and more poles such as four poles may be used. On the other hand, it goes without saying that the sub-connector section is not limited to the one having 2 to 4 poles and may be one having more poles.

Although the main connector portion has been described as being integrally formed with the relay box in advance, the gist of the present invention is not limited to this, and a locking portion for fixing the mounting to the relay box. Needless to say, it may be provided in advance and used as a single unit.

[0037]

According to the first aspect of the present invention, the multi-pole cassette connector is divided into the main connector portion containing the grounding terminal and the sub connector portion containing the other terminals. The wiring process can be divided into two steps so that the ground wire is laid in the connector part and the sub-connector part in which a general electric wire is laid adjacent to the main connector part, so that the wiring process efficiency can be improved. it can.

According to the second aspect of the present invention, among the plurality of types of sub-connector portions, a predetermined sub-connector portion is integrally provided with a double locking holder portion to be inserted into the main connector portion. When the connector is constructed by using the parts, the holder for double locking the terminals can be shared with other connectors, and therefore the number of parts can be reduced.

[Brief description of drawings]

FIG. 1 is an explanatory diagram illustrating a configuration of an electrical junction box according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram illustrating a process of a preceding stage of a wiring process of an example.

FIG. 3 is an explanatory diagram illustrating a process subsequent to the wiring process according to the embodiment.

FIG. 4 is an explanatory diagram illustrating a configuration of a conventional electrical junction box.

FIG. 5 is an explanatory diagram illustrating a wiring process for various electric wires of a conventional electrical junction box.

[Explanation of symbols]

 101, 111 Main connector part 121 Sub connector part (for 4-pole relay) 122 Connecting part 123 Locking part 131 Double locking holder 132 Double locking part 141 Sub connector part (for 6-pole relay) 142 Linking part 143 Double locking holder part 144 Double locking part 145 Locking part 150 Relay box 151 Fitting part 152 Fitting part 161 Ground electric wire 171 Electric wire 181 Electric wire

Claims (3)

[Claims] 1. A multi-pole cassette connector is divided into a main connector section accommodating a grounding terminal and a sub connector section accommodating other terminals, and the main connector section is provided in a block body, An electrical junction box, characterized in that the block body is provided with a fitting portion adjacent to the main connector portion for fitting and locking the sub connector portion of the cassette connector. 2. The electrical junction box according to claim 1, wherein the fitting portion is capable of selectively fitting and locking sub-connector portions of a plurality of types of cassette connectors, The plural types of sub-connector portions are configured to insert a holder for double locking of terminals, and the double locking type to be inserted into the main connector portion is provided in a predetermined sub-connector portion of the plural types of sub-connector portions. An electric junction box characterized in that a holder portion is integrally provided. 3. The electrical junction box according to claim 1, wherein the main connector portion and the plurality of types of sub-connector portions have a coupling portion that couples both of them.