JP2005204478A - Electrical junction box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electrical junction box capable of efficiently fixing electric wires without the need for a special locking device. <P>SOLUTION: By assembling a frame 3 to an electric part block 2 with the plurality of electric wires 5 led out of the back side of the electric part block 2 toward a prescribed direction, each of the electric wires 5 is retained between a wire retaining plate section 10B formed so as to be curved outward in a roughly U shape on the back side of the frame 3. The fitting of the electric part block 2 to the frame 3 can facilitate the retaining of the electric wire 5 in such a state of being led out toward the prescribed direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an electrical junction box mounted on an automobile or the like, and more particularly to an electrical junction box provided with a wire holding function in a junction box body.

Conventionally, an electric connection box incorporating a fuse, a relay, or the like is mounted on an automobile or the like. In this electrical junction box, a separate flexible band is fixed in order to converge and fasten a plurality of electric wires connected to a relay or the like inside and outside the junction box body (for example, see Patent Document 1). ), A pressing plate (for example, see Patent Document 2), or a connector block in which a notch for drawing out a branched wire is formed (for example, see Patent Document 3).
Japanese Utility Model Publication No. 55-173190 (first page, FIG. 1) Japanese Utility Model Publication No. 54-176838 (first page, FIG. 1) Japanese Utility Model Publication No. 54-79491 (first page, FIG. 1)

  However, in the above-described conventional technology, since the locking tool and the pressing plate are assembled to the connection box main body, it is necessary to form a structure for receiving the locking tool and the pressing plate on the connection box main body side. There was a problem that the structure of the mold was complicated.

  Conventionally, since the locking tool and the pressing plate are separate from the connection box body, there is a problem that the assemblability is poor and the work efficiency is lowered and the number of parts is increased.

  Therefore, an object of the present invention is to provide an electrical junction box that can efficiently fix an electric wire without requiring a special locking tool.

  The invention according to claim 1 is an electrical junction box, comprising: an electrical component block to which an electrical wire is connected; and a frame for assembling the electrical component block; and an electrical wire placement portion for concentrating and placing the electrical wire on the frame. The electric component block is formed and the electric component block is assembled to the frame, and the electric component block and the electric wire arrangement portion sandwich the electric wire.

  The invention according to claim 2 relates to the electrical junction box according to claim 1. In the electrical junction box according to the present invention, the frame accommodates the electrical component block, and the wire arrangement portion is integrally formed on the side facing the lead-out surface of the wire led out from the electrical component block. It is characterized by that.

  The invention described in claim 3 relates to the electrical junction box described in claim 1 or claim 2. The electrical junction box according to the present invention is characterized in that the electric wire arrangement portion is formed of a plate body that curves outwardly in a substantially U shape.

  A fourth aspect of the present invention relates to the electrical junction box according to any one of the first to third aspects. In the electrical junction box according to the present invention, the electrical component block includes a relay block in which a relay is incorporated and a connector block in which a connector is incorporated. Is located.

  According to this invention, the number of parts of the electrical junction box can be reduced, and the production efficiency and assembly workability can be improved.

  Next, an electrical junction box according to the best mode for carrying out the present invention will be described in detail with reference to the drawings.

[First Embodiment]
1 and 2 show an electrical junction box according to the first embodiment of the present invention. 1 is a perspective view of the electrical junction box 1 as seen from the front side, and FIG. 2 is a perspective view of the electrical junction box 1 as seen from the back side.

  The electrical junction box 1 according to the present embodiment is roughly constituted by an electrical component block 2 made of, for example, a relay block or a connector block, and a frame 3 assembled to the outside of the electrical component block 2.

  As shown in FIG. 2, the electrical component block 2 is divided into a plurality of spaces 4A, 4B, 4C, etc., and the electric wires 5 are connected to connection terminals (not shown) arranged inside these spaces 4A, 4B, 4C. Each is connected. As shown in FIGS. 1 and 2, the plurality of electric wires 5 are led out from the back side of the electric component block 2. Further, on the front side of the electrical component block 2, hood portions 6A, 6B, 6C, 6D and the like are formed according to functional blocks such as a relay block and a connector block.

  The frame 3 includes side plates 7, 8, and 9 that respectively cover three side surfaces (a circumferential surface that is substantially perpendicular to the front surface) of the electrical component block 2 described above. These three side plates 7, 8, 9 are substantially U-shaped in front, and the front and back are open.

  Moreover, the electric wire arrangement | positioning board 10 as an electric wire arrangement | positioning part is constructed by the edge of the back side of the position which left | separated from the side board 8 in the side plate 7 and the side plate 9. FIG. The electric wire arrangement plate 10 includes a block engaging plate portion 10A and an electric wire holding plate portion 10B. The block engaging plate portion 10A extends from the edge of the side plates 7 and 9 so as to make a right angle to the side plates 7 and 9 so as to contact the back surface of the electrical component block 2 when assembled to the electrical component block 2. Has been.

  The electric wire holding plate portion 10B is formed so as to be bent in a substantially U shape toward the outer side of the back surface. For this reason, the electric wire holding plate portion 10B holds the electric wires 5 in a state of being concentrated between the electric component block 2 and the rear surface of the electric component block 2 when the frame 3 is assembled to the electric component block 2, and directs the bundle of the electric wires 5 to each other. Has the function to perform. The clearance between the electric wire holding plate portion 10 </ b> B and the back surface of the electric component block 2 is appropriately set according to the thickness and number of the electric wires 5.

  The frame 3 having such a structure including the electric wire arrangement plate 10 is integrally formed of an insulating resin. As shown in FIGS. 1 and 2, the frame 3 is formed by three side plates 7, 8, 9 having three substantially U-shapes, so that the frame 3 becomes one opened at the time of molding. A punching die can be extracted from the surface side in the outer direction of the arrow A shown in FIGS. 1 and 2. At this time, since the electric wire arrangement board 10 is arrange | positioned along the plate | board surface in the die-drawing direction, it does not become a hindrance of extraction of a punching die.

  The configuration of the electrical junction box 1 has been described above. Next, a procedure for assembling the electrical component block 2 and the frame 3 constituting the electrical junction box 1 will be briefly described.

  First, the electric wire 5 is connected to connection terminals (not shown) arranged in the spaces 4A, 4B, 4C, etc. of the electric component block 2, and the electric wire 5 is led out from the back side of the electric component block 2.

  Next, the plurality of electric wires 5 are bundled and directed to a region facing the electric wire holding plate portion 10 </ b> B of the frame 3 on the back surface of the electric component block 2.

  Then, the frame 3 is assembled to the electric component block 2. At this time, the frame 3 only needs to be assembled so as to pick up the plurality of electric wires 5 arranged on the back surface of the electric component block 2. For this assembly, the electrical component block 2 may be inserted into the frame 3 so as to close the drawer in the direction of arrow A in FIGS.

  Thereafter, the electrical component block 2 and the frame 3 are engaged and fixed by engagement means (not shown) to complete the assembly of the electrical junction box 1.

  According to the electrical junction box 1 according to the present embodiment, no electric wire holding means such as a special clip is required, and the electrical junction box 1 can be configured by only two components, that is, the electrical component block 2 and the frame 3. For this reason, the number of parts of the electrical junction box 1 can be reduced.

  Moreover, since the electric wire arrangement | positioning part was made into the plate-shaped electric wire arrangement | positioning board 10, since it is not necessary to provide the cover member which covers the some electric wire 5 separately, a structure can be simplified. For this reason, the mold structure can be simplified, and a compact and low-cost electrical junction box can be realized.

  Furthermore, according to the electrical junction box 1 according to the present embodiment, the electric wire 5 can be clamped and fixed simply by attaching the frame 3 to the electrical component block 2 made up of a relay block, a connector block or the like. It can be improved.

[Second Embodiment]
Next, an electrical junction box 20 according to a second embodiment of the present invention will be described with reference to FIGS. As in the first embodiment described above, the electrical junction box 20 of the present embodiment includes, for example, an electrical component block 21 including relay blocks 21A, 21B, 21C, connector blocks 21D, 21E, and the like. The frame 22 is assembled roughly from the component block 21.

  As shown in FIG. 4, the electrical component block 21 has a plurality of spaces 23A, 23B, 23C and the like partitioned, and the electric wires 5 are connected to connection terminals (not shown) arranged in the spaces 23A, 23B, 23C and the like. Each is connected. As shown in FIGS. 3 and 4, the plurality of electric wires 5 are led out from the back side of the electric component block 21.

  The frame 22 includes side plates 23, 24, 25, and 26 that respectively cover the four side surfaces of the electrical component block 21 described above. Of these four side plates 23 to 26, only the side plate 26 is separated into two parts, and the part in between is opened. The opened part is a part from which the plurality of electric wires 5 are led out.

  In addition, an electric wire arrangement plate 27 as an electric wire arrangement portion is installed between the rear edges of the side plate 23 and the side plate 25 at positions away from the side plate 24. The electric wire arrangement plate 27 includes a block engaging plate portion 27A and two electric wire holding plate portions 27B and 27C. The block engaging plate portion 27 </ b> A extends from the end edge of the side plate 25 so as to make a right angle to the side plate 25 so as to come into contact with the back surface of the electric component block 21 when assembled to the electric component block 21.

  The electric wire holding plate portions 27B and 27C are formed so as to be curved in a substantially U shape toward the outside of the back surface. For this reason, the electric wire holding plate portions 27B and 27C hold the electric wire 5 in a state of being concentrated between the electric wire block 21 and the back surface of the electric component block 21 when the frame 22 is assembled to the electric component block 21, and the direction of the bundle of the electric wires 5 It has a function of attaching. The maximum clearance between the electric wire holding plate portions 27 </ b> B and 27 </ b> C and the back surface of the electric component block 2 is appropriately set according to the thickness and number of the electric wires 5.

  The configuration of the electrical junction box 20 has been described above. Next, a procedure for assembling the electrical component block 21 and the frame 22 constituting the electrical junction box 20 will be briefly described.

  First, the electric wire 5 is connected to connection terminals (not shown) arranged in the spaces 23 </ b> A, 23 </ b> B, 23 </ b> C and the like of the electric component block 21, and the electric wire 5 is led out from the back side of the electric component block 21.

  Next, the plurality of electric wires 5 are bundled and oriented in a region facing the electric wire holding plate portions 27 </ b> B and 27 of the frame 22 on the back surface of the electric component block 21.

  Then, the frame 22 is assembled to the electrical component block 21. At this time, the frame 22 only needs to be assembled so as to pick up the plurality of electric wires 5 arranged on the back surface of the electric component block 2. For this assembly, the electrical component block 21 may be inserted into the frame 22 from the direction indicated by the arrow B in FIGS.

  Thereafter, the electric component block 21 and the frame 22 are engaged and fixed by an engaging means (not shown), whereby the assembly of the electric junction box 20 is completed.

  Also in the electrical junction box 20 according to the present embodiment, no electric wire holding means such as a special clip is required, and the electrical junction box 20 can be configured by only two components, that is, the electrical component block 21 and the frame 22. For this reason, the number of parts of the electrical junction box 20 can be reduced.

  Moreover, since the electric wire arrangement | positioning part was used as the plate-shaped electric wire arrangement | positioning board 27, since it is not necessary to provide the cover member which covers the some electric wire 5 separately, a structure can be simplified. For this reason, the mold structure can be simplified and the cost can be reduced.

  Furthermore, according to the electrical junction box 20 according to the present embodiment, the electric wire 5 can be clamped by simply mounting the frame 22 on the electrical component block 21 including the relay blocks 21A, 21B, 21C and the connector blocks 21D, 21E. Since it can be fixed, workability can be improved.

  In particular, in the present embodiment, since the electric wire arrangement plate 27 includes the two electric wire holding plate portions 27B and 27C, the electric wire arrangement plate 27 can be classified according to the type and number of the electric wires 5, and the electric wire holding strength is improved. Can do.

The first and second embodiments have been described above, but the present invention is not limited to these, and various modifications accompanying the gist of the configuration are possible.

  For example, in the first and second embodiments described above, the back surfaces of the frames 3 and 22 are open, but may be closed.

  The present invention can be used in the field of manufacturing electrical junction boxes such as automobiles.

It is a perspective view which shows the front side of the electrical junction box which concerns on the 1st Embodiment of this invention. It is a perspective view which shows the back side of the electrical junction box which concerns on the 1st Embodiment of this invention. It is a perspective view which shows the front side of the electrical-connection box which concerns on the 2nd Embodiment of this invention. It is a perspective view which shows the back side of the electrical junction box which concerns on the 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Electrical junction box 2 ... Electrical component block 3 ... Frame 5 ... Electric wire 10 ... Electric wire arrangement board 10B ... Electric wire holding board part

Claims (4)

  A state in which an electric component block to which an electric wire is connected and a frame for assembling the electric component block are provided, an electric wire arrangement portion for converging and arranging electric wires is formed on the frame, and the electric component block is assembled to the frame An electric junction box, wherein an electric wire is sandwiched between the electric component block and the electric wire arrangement portion. The electrical junction box according to claim 1,
The electric connection box, wherein the frame accommodates the electric component block, and the electric wire arrangement portion is integrally formed on a side facing a lead-out surface of the electric wire led out from the electric component block. An electrical junction box according to claim 1 or claim 2,
The electrical connection box is characterized in that the electric wire arrangement part is formed of a plate body that curves in an approximately U shape toward the outside. An electrical junction box according to any one of claims 1 to 3,
The electric component block includes a relay block in which a relay is incorporated and a connector block in which a connector is incorporated, and the electric wire arrangement portion is located on the electric wire lead-out surface side of the rear surface of the electric component block. Connection box.

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