JP2011234427A - Electrical connection box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electrical connection box that can surely fix a terminal which is connected to a cable by a bolt which is mounted on a case even when there is an error in the length dimension of the cable pulled inside the case.SOLUTION: An electrical connection box comprises: a case; a grommet fixing a power line 6a, which is pulled inside the case, to the case; and a connection unit 10 which is electrically connected to an LA terminal 5 which is connected to a terminal of the power line 6a pulled inside the case. The connection unit 10 comprises a connection part 82 of a bus bar 8 overlapped with the LA terminal 5, a bolt 9 which holds the LA terminal 5 and the connection part 82 between a nut 16 and the bolt 9 by screwing the nut 16, and a bolt mounting member 7 mounted with the bolt 9 slidably along the longitudinal direction of the power line 6a.

Description

  The present invention relates to an electrical connection box including a connection unit that is electrically connected to a terminal such as an LA terminal connected to a terminal of a power line, for example.

  A variety of electronic devices are mounted on automobiles. In order to supply power and transmit signals to these various electronic devices, an electric junction box is arranged in the automobile. Various types of electrical connection boxes are used. For example, an electrical connection box having a connection unit that is electrically connected to an LA terminal connected to a terminal of a power line is known (patent). See reference 1.) FIG. 5 is a perspective view showing a connection unit constituting a conventional electrical junction box.

  As shown in FIG. 5, the connection unit 210 has an LA terminal between the connection portion 282 on which the LA terminal 5 connected to the terminal of the power line 6 a is overlapped and the nut 16 by screwing the nut 16. 5 and a bolt 209 that sandwiches the connecting portion 282, and a bolt mounting member 207 to which the bolt 209 is mounted.

  The power line 6a is a thick electric wire that is connected to a battery, an alternator, or the like mounted on an automobile and through which a large current flows. The power supply line 6 a includes a core wire 61 and an insulating coating 62 that covers the core wire 61.

  The LA terminal 5 is a terminal obtained by pressing a thick metal plate, and a pair of crimping pieces 53 for crimping the core wire 61 of the power supply line 6a and a pair of caulking pieces for caulking the insulating coating 62. 54, and a mating connection part 51 that overlaps the connection part 282 and is electrically connected to the connection part 282. The mating connection portion 51 is formed in a flat plate shape, and a through hole 52 is provided in the center thereof.

  The connecting portion 282 constitutes an end portion of the bus bar 208. The bus bar 208 is a wiring member of an electrical connection box obtained by pressing a metal plate. The bus bar 208 electrically connects the fuse, the relay, the connector, and the LA terminal 5 connected to the terminal of the power supply line 6a to each other according to a predetermined pattern. In addition, reference numeral 281 in FIG. 5 indicates a housing portion of the bus bar 208 that is housed inside the case of the electrical connection box.

  The bolt 209 is attached to the bolt mounting member 207 with the head portion embedded in the bolt mounting member 207 and the shaft portion protruding from the outer surface of the bolt mounting member 207. The bolt 209 is formed by screwing the nut 16 into a shaft portion through which a through hole 283 provided in the connection portion 282 and a through hole 52 provided in the LA terminal 5 are passed, so that the nut 16 and the head That is, the mating connection part 51 and the connection part 282 of the LA terminal 5 are sandwiched between the bolt mounting member 207.

  The bolt mounting member 207 is made of synthetic resin and is formed in a block shape. On the outer surface of the bolt mounting member 207 from which the bolt 209 protrudes, the connection portion 282 and the counterpart connection portion 51 of the LA terminal 5 are overlapped. The bolt mounting member 207 is mounted on the case of the electrical junction box and is positioned on the upper surface of the case.

  The connection unit 210 described above is electrically connected to the LA terminal 5 of the power line 6a drawn into the case after being attached to the case of the electrical connection box.

JP 2002-78152 A

  However, in the conventional electrical junction box provided with the connection unit 210 shown in FIG. 5, when there is an error in the length dimension of the power line 6 a drawn into the case, the position of the LA terminal 5 and There was a problem that the position of the bolt 209 did not match and the LA terminal 5 could not be fixed with the bolt 209.

  Note that the cause of the error in the length dimension of the power supply line 6a drawn into the case is, for example, the displacement of the mounting position of the grommet attached to the power supply line 6a to waterproof the case. . The grommet is a member that is attached to an electric wire passage provided in the case in a state of being attached to the outer periphery of the power supply line 6a and closes a gap between the edge of the electric wire passage and the power supply line 6a. Since this grommet is in close contact with the power supply line 6a, it cannot be easily shifted.

  Therefore, the present invention provides an electrical connection that can securely fix a terminal connected to the electric wire with a bolt attached to the case even when there is an error in the length dimension of the electric wire drawn into the case. The purpose is to provide a box.

  In order to achieve the above object, the invention described in claim 1 includes a case, a fixing member that fixes an electric wire drawn into the case to the case, and an end of the electric wire drawn into the case. In an electrical connection box comprising a connected unit and a connection unit that is electrically connected, the connection unit includes a metal plate on which the terminal is stacked and a nut that is screwed between the nut and the nut. An electrical connection box comprising: a terminal and a bolt for holding the metal plate; and a bolt mounting member to which the bolt is attached so as to be slidable along the surface of the metal plate.

  The invention described in claim 2 is characterized in that the bolt mounting member is mounted with the bolt so as to be slidable along the longitudinal direction of the electric wire.

  The invention described in claim 3 is the invention described in claim 2, wherein the bolt mounting member is a bottom plate that positions the head of the bolt on the surface thereof, and a top plate that faces the bottom plate. A slit extending along the longitudinal direction of the electric wire is provided, and a top plate that slidably positions the shaft portion of the bolt in the slit and slidably accommodates the head between the bottom plate, It is characterized by having.

  The invention described in claim 4 is the invention described in claim 3, wherein the metal plate is overlapped on an outer surface of the top plate, and the shaft portion is slidably positioned on the metal plate. Two slits are provided.

  The invention described in claim 5 is the invention described in claim 3 or 4, wherein the slit is formed to be recessed from one edge of the top plate along the longitudinal direction of the electric wire. And the bolt is slid from the one edge side of the top plate so that the shaft portion is positioned in the slit and the head portion is accommodated between the bottom plate and the top plate. And it is attached to the said bolt attachment member, It is characterized by the above-mentioned.

  According to a sixth aspect of the present invention, in the first aspect of the first to fifth aspects of the present invention, the fixing member is mounted on the outer periphery of the electric wire, and is provided in the case. It is characterized by being a grommet to be attached to.

  According to the first aspect of the present invention, the connecting unit includes a metal plate on which the terminal is stacked and a bolt that clamps the terminal and the metal plate between the nut and the nut by screwing. And a bolt mounting member to which the bolt is mounted so as to be slidable along the surface of the metal plate, and there is an error in the length dimension of the electric wire drawn into the case Even in this case, it is possible to slide the bolt in accordance with the position of the terminal connected to the end of the electric wire, and to provide an electric connection box that can securely fix the terminal with the bolt. Can do.

  According to the invention described in claim 2, since the bolt is attached so that the bolt mounting member can slide along the longitudinal direction of the electric wire, the length of the electric wire drawn into the case is long. Even when there is an error in the size, the bolt can be slid according to the position of the terminal connected to the end of the electric wire, and therefore the terminal can be securely fixed with the bolt. An electrical junction box can be provided.

  According to the invention described in claim 3, the bolt mounting member is a bottom plate that positions the head portion of the bolt on the surface thereof, and a top plate that faces the bottom plate, along the longitudinal direction of the electric wire. An extended slit is provided, and the shaft portion of the bolt is slidably positioned in the slit, and the top plate is slidably accommodated between the head plate and the bottom plate. Thus, it is possible to provide an electrical junction box that can securely fix the terminal with the bolt.

  According to the invention described in claim 4, the metal plate is overlapped on the outer surface of the top plate, and the second slit is provided in the metal plate for slidably positioning the shaft portion. Therefore, it is possible to provide an electrical junction box that can securely fix the terminal with the bolt with a simple configuration.

  According to the invention described in claim 5, the slit is provided so as to be recessed from one edge of the top plate along the longitudinal direction of the electric wire, and the bolt is provided on the top plate. By sliding from the one edge side, the shaft portion is positioned in the slit and the head portion is accommodated between the bottom plate and the top plate and attached to the bolt mounting member. The bolt can be attached to the bolt mounting member without performing molding or the like, and thus the bolt can be configured to be slidable.

  According to the invention described in claim 6, since the fixing member is a grommet attached to the outer periphery of the electric wire and attached to the electric wire passage provided in the case, the attachment position of the grommet in the electric wire. It is possible to provide an electrical junction box with high waterproof performance capable of securely fixing the terminal with the bolt even when an error occurs in the length dimension of the electric wire drawn into the case due to the displacement of the case. it can.

It is a perspective view which shows the electrical junction box concerning one Embodiment of this invention. It is a perspective view which expands and shows the principal part of the electrical-connection box shown by FIG. It is a perspective view which shows the connection unit of the electrical-connection box shown by FIG. FIG. 4 is an exploded view of the connection unit shown in FIG. 3. It is a perspective view which shows the connection unit which comprises the conventional electrical junction box.

  An electrical junction box 1 according to an embodiment of the present invention will be described with reference to FIGS. The electrical junction box 1 of the present invention is mounted on an automobile and supplies power and transmits signals to an electronic device mounted on the automobile. Moreover, the electrical junction box 1 of this embodiment is attached to the part which a rain and snow hit between the cabin and the loading platform in a truck.

  In the present invention, a junction block (also referred to as a junction box), a fuse block (also referred to as a fuse box), and a relay block (also referred to as a relay box) are collectively referred to as an electrical connection box.

  As shown in FIG. 1, the electrical junction box 1 includes a case 3, a cover (not shown) that covers the opening 3 a of the case 3, a cassette block 2 that is attached in the case 3 and attaches various components, A plurality of electrical components 18 such as relays, fuses, fusible links, connectors and the like attached to the cassette block 2, a plurality of bus bars 8 attached to the cassette block 2, and power wires 6a and 6b drawn into the case 3 The grommet 13 that waterproofs the case 3, the grommet 12 that waterproofs the case 3, the LA terminal 5 connected to the terminals of the power supply wires 6 a and 6 b drawn into the case 3, and the electricity And a connection unit 10 to be connected.

  1 and 2 indicate the depth direction of the case 3, the arrow X indicates the longitudinal direction of the case 3, and the arrow Z indicates the width direction of the case 3. Yes.

  The case 3 is made of a synthetic resin, and is formed in a box shape by a bottom wall and a plurality of side walls 31, 32, 33, and 34 erected from the outer edge of the bottom wall. That is, the “opening 3 a” means a space surrounded by the edges of the side walls 31, 32, 33, 34 on the side away from the bottom wall. Further, the side wall 31 is provided with a wire through hole 14 for drawing a wire harness wire (not shown) into the case 3 and a wire through hole 15 for drawing the power wires 6a and 6b into the case 3. It has been. The electric wire through holes 14 and 15 are provided so as to be recessed from the edge of the side wall 31 on the side away from the bottom wall to the bottom wall side.

  As shown in FIG. 3, the bus bar 8 is a wiring member obtained by pressing a metal plate. The bus bar 8 electrically connects the LA terminals 5 connected to the plurality of electrical components 18 and the power supply lines 6a and 6b to each other according to a predetermined pattern. Further, reference numeral 81 in FIG. 3 indicates an accommodating part accommodated in the cassette block 2 in the bus bar 8, and reference numeral 82 indicates a connection part on which the LA terminal 5 is overlapped. The connection part 82 will be described later. The connecting portion 82 corresponds to a “metal plate” recited in the claims.

  The power supply lines 6a and 6b are thick electric wires that are connected to a battery, an alternator, or the like mounted on a truck and through which a large current flows. As shown in FIG. 3, these power supply lines 6 a and 6 b include a core wire 61 and an insulating coating 62 that covers the core wire 61. In the present embodiment, the power line 6a is connected to the battery, and the power line 6b is connected to the alternator. The power lines 6a and 6b correspond to “electric wires” recited in the claims.

  The LA terminal 5 is a terminal obtained by pressing a thick metal plate or the like, and as shown in FIG. 3, a pair of crimping pieces 53 for crimping the core wires 61 of the power supply wires 6a and 6b, and an insulation A pair of caulking pieces 54 for caulking the covering 62 and a mating side connection portion 51 that overlaps the connection portion 82 and is electrically connected to the connection portion 82 are provided. The mating connection portion 51 is formed in a flat plate shape, and a through hole 52 is provided in the center thereof. The LA terminal 5 corresponds to a “terminal” described in the claims.

  The grommet 13 is made of an elastic material such as rubber. As shown in FIG. 2, the grommet 13 is formed in a cylindrical shape, and a cylindrical portion 13 a for positioning the power supply lines 6 a and 6 b on the inside thereof, and a flange portion extending in a hook shape from one axial end portion of the cylindrical portion 13 a. 13b. Such a grommet 13 is attached to the wire passage opening 15 with the power supply lines 6a and 6b positioned in the cylindrical portion 13a, and a gap between the edge of the wire passage opening 15 and the power supply lines 6a and 6b. Block. As a result, the case 3 is waterproofed.

  Further, when the grommet 13 is mounted on the outer periphery of the power supply lines 6a and 6b, water enters from between the grommet 13 and the power supply lines 6a and 6b so that the grommet 13 and the power supply lines 6a and 6b do not shift. In order to avoid this, the adhesive tape 17 is wound around the other end portion of the cylindrical portion 13a in the axial direction and the power supply lines 6a and 6b.

  By attaching such a grommet 13 to the wire passage opening 15, the power lines 6 a and 6 b drawn into the case 3 are fixed to the case 3. The grommet 13 corresponds to a “fixing member” recited in the claims.

  The grommet 12 is attached to the wire passage 14 and waterproofs the case 3. As shown in FIG. 1, the grommet 12 is formed in a bellows cylinder shape, and the electric wire of the said wire harness is passed through the inside.

  As shown in FIG. 3, the connection unit 10 includes a flat connection portion 82 on which the LA terminal 5 connected to the ends of the power supply lines 6 a and 6 b is overlapped with a nut 16, and the nut 16 is screwed together. Between the bolt 9 holding the mating connection part 51 and the connection part 82 of the LA terminal 5 and the longitudinal direction of the power supply lines 6a and 6b, that is, along the surface of the connection part 82. And a bolt mounting member 7 to which the bolt 9 is mounted.

  Further, in the present invention, “along the longitudinal direction of the power supply lines 6 a and 6 b” means the longitudinal direction of the portion of the power supply lines 6 a and 6 b that is drawn into the case 3 from the wire through hole 15. In the present embodiment, the direction perpendicular to the side wall 31, that is, the direction parallel to the arrow Z direction in FIG. 1 is this “longitudinal direction of the power supply lines 6 a and 6 b”.

  As shown in FIG. 4, the bolt 9 includes a head portion 93 formed in a substantially square plate shape, a shaft portion 91 erected from the surface of the head portion 93, and a circular portion 92. . The shaft portion 91 is a male screw formed in a columnar shape and having a spiral groove cut in the outer peripheral surface. The circular portion 92 is provided at an end portion of the shaft portion 91 on the head 93 side, and is provided in an annular shape on the outer periphery of the shaft portion 91. The inner peripheral surface of the circular portion 92 is continuous with the outer peripheral surface of the shaft portion 91, and the end surface of the circular portion 92 on the head 93 side is continuous with the surface of the head 93. Further, the diameter of the circular portion 92 is formed smaller than the dimension of one side of the head portion 93. Further, the head portion 93, the circular portion 92, and the shaft portion 91 are arranged coaxially with each other.

  The bolt mounting member 7 is made of synthetic resin. As shown in FIG. 4, the bolt mounting member 7 is formed in a rectangular plate shape, a bottom plate 71 for positioning the head portion 93 of the bolt 9 on its surface, a rectangular plate shape, and opposed to the bottom plate 71, A top plate 73 that slidably accommodates the head 93 between the bottom plate 71, a pair of connecting plates 72 that connect an edge forming the long side of the bottom plate 71 and an edge forming the long side of the top plate 73, and a pair The protrusion 75 is integrally provided. Further, the interval between the pair of connecting plates 72 is formed larger than the dimension of one side of the head 93.

  Further, the top plate 73 is provided with a slit 74 that extends along the longitudinal direction of the top plate 73 and slidably positions the shaft portion 91 and the circular portion 92 of the bolt 9. The slit 74 is provided so as to be recessed from one edge 73 a forming the short side of the top plate 73 along the longitudinal direction of the top plate 73. Further, the length of the slit 74 is formed larger than the dimension of one side of the head 93. The width of the slit 74 is formed to be equal to the diameter of the circular portion 92 and smaller than the dimension of one side of the head portion 93.

  The pair of protrusions 75 protrude from the opposite portions of the edge of the slit 74 in a direction approaching each other. The pair of protrusions 75 are provided in the vicinity of the one edge 73 a that forms the short side of the top plate 73. The distance between the pair of protrusions 75 is slightly smaller than the diameter of the circular portion 92.

  The bolt 9 is slid from the one edge 73 a side of the top plate 73, so that the shaft portion 91 and the circular portion 92 are positioned in the slit 74 and the head portion 93 is connected to the bottom plate 71 and the top plate 73. It is accommodated in between and attached to the bolt attachment member 7. Further, when the bolt 9 is attached to the bolt attachment member 7, the circular portion 92 temporarily elastically deforms the bolt attachment member 7 so as to contact the pair of protrusions 75 and widen the interval between the pair of protrusions 75. And enters the slit 74. Further, the pair of protrusions 75 return to the positions before the shaft portion 91 and the circular portion 92 are elastically deformed after passing between the pair of protrusions 75 and entering the slit 74, so that the shaft portion 91 and the circular portion 92 are in the ceiling. The movement of the plate 73 toward the one edge 73 a, that is, the bolt 9 is prevented from being detached from the bolt mounting member 7.

  As described above, in the present invention, the bolt mounting member 7 is configured as described above, so that the bolt 9 can be mounted on the bolt mounting member 7 without performing insert molding or the like. It can be configured.

  The connecting portion 82 constitutes a part of the bus bar 8 as described above. Further, the end of the connecting portion 82 is bent so as to be orthogonal to the accommodating portion 81 of the bus bar 8. As shown in FIG. 3, such a connecting portion 82 is overlaid on the outer surface of the top plate 73 of the bolt mounting member 7 in a state where the bolt 9 is mounted. Further, the connecting portion 82 is provided with a second slit 83 on the inner side thereof for slidably positioning the shaft portion 91.

  The connection unit 10 having the above configuration is assembled by attaching the connecting portion 82 to the top plate 73 after the bolt 9 is attached to the bolt attachment member 7, and is attached to the cassette block 2 together with the bus bar 8. The connection unit 10 is positioned on the upper surface of the case 3 when the cassette block 2 is mounted in the case 3. Further, the connection unit 10 is positioned on the upper surface of the case 3 such that the longitudinal direction of the slit 74 and the second slit 83, that is, the sliding direction of the bolt 9, is parallel to the arrow Z direction. The “upper surface of the case 3” means a virtual surface on the side of the opening 3 a away from the bottom wall of the case 3.

  Then, the assembly method of the electrical junction box 1 of the structure mentioned above is demonstrated. First, the grommet 13 is mounted in advance at a predetermined mounting position on the outer periphery of the power supply lines 6a and 6b, and the adhesive tape 17 is wound around to fix the cylindrical portion 13a and the power supply lines 6a and 6b.

  Next, the connection unit 10, the plurality of bus bars 8, and the plurality of electrical components 18 assembled in the above-described procedure are attached to the cassette block 2. Then, the cassette block 2 is attached to the case 3.

  Next, the grommet 12 through which the wire harness wire is passed is attached to the wire passage 14 of the case 3. Further, the grommet 13 attached to the power supply lines 6 a and 6 b is attached to the wire passage 15 of the case 3 to fix the power supply lines 6 a and 6 b to the case 3, and the power supply lines 6 a and 6 b are pulled into the case 3.

  Next, the counterpart connection portion 51 of the LA terminal 5 connected to the terminals of the power supply lines 6 a and 6 b is overlapped with the connection portion 82 and the shaft portion 91 of the bolt 9 is passed through the through hole 52. At this time, by sliding the bolt 9 in accordance with the position of the through hole 52 of the LA terminal 5, the operation of passing the shaft portion 91 of the bolt 9 through the through hole 52 can be easily performed.

  That is, if there is a positive tolerance in the length dimension of the power supply lines 6a and 6b drawn into the case 3, the bolt 9 is slid in the direction of the arrow N1 in FIG. 3 (that is, the direction away from the side wall 31). Then, the position of the shaft portion 91 is adjusted to the position of the through hole 52 of the LA terminal 5. On the other hand, if there is a negative tolerance in the length dimension of the power supply lines 6a and 6b drawn into the case 3, the bolts 9 in the direction of the arrow N2 in FIG. 3 (that is, the direction approaching the side wall 31). And the position of the shaft portion 91 is adjusted to the position of the through hole 52 of the LA terminal 5.

  Next, the nut 16 is screwed into the shaft portion 91 passed through the second slit 83 of the connecting portion 82 and the through hole 52 of the LA terminal 5, and the LA terminal is interposed between the nut 16 and the circular portion 92. The other party connection part 51 and the connection part 82 of 5 are clamped. Thereby, the LA terminal 5 and the connection part 82 are electrically connected.

  Finally, a cover is attached to the case 3 so as to cover the opening 3a, and the assembly work of the electrical junction box 1 is completed.

  As described above, according to the present invention, since the connection unit 10 having the simple configuration described above is provided, the power supply drawn into the case 3 due to a shift in the mounting position of the grommet 13 on the power supply lines 6a and 6b or the like. Even if there is an error in the length dimension of the wires 6a and 6b, the LA terminal 5 can be securely fixed with the bolt 9, and it can be attached to a portion where the vehicle is exposed to rain or snow. An electrical junction box 1 can be provided.

  In the above-described embodiment, the bolt 9 is attached to the bolt attachment member 7 so as to be slidable along the longitudinal direction of the power supply lines 6a and 6b, that is, the arrow Z direction. Not only in the longitudinal direction of the power supply lines 6a and 6b, it is sufficient that the bolt 9 is attached to the bolt mounting member so as to be slidable along the surface of the connecting portion 82. That is, the bolt 9 may be slidable in any direction as long as the direction is orthogonal to the arrow Y. For example, the bolt 9 may be attached to the bolt attachment member so as to be slidable along the arrow X direction.

  Further, in the above-described embodiment, the electric wire through hole 15 and the connection unit 10 are arranged at positions aligned along the arrow Z direction, and the power supply lines 6a and 6b drawn into the case 3 from the electric wire through hole 15 are connected to the connection unit. In the present invention, the wire passage port 15 and the connection unit 10 are arranged at a position along the direction intersecting the arrow Z, and the case passes from the wire passage port 15 to the case. 3 may be routed in a direction intersecting the arrow Z toward the connection unit 10. In this case, the bolt 9 may be slidable along the arrow Z direction, or may be slidable along the longitudinal direction of the power supply lines 6a and 6b, that is, the direction intersecting the arrow Z. good.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

1 Electrical junction box 3 Case 5 LA terminal (terminal)
6a, 6b Power line (electric wire)
7 Bolt mounting member 9 Bolt 10 Connection unit 13 Grommet (fixing member)
16 Nut 82 Connection (metal plate)

Claims (6)

An electric comprising: a case; a fixing member that fixes the electric wire drawn into the case to the case; and a connection unit that is electrically connected to a terminal connected to a terminal of the electric wire drawn into the case. In the connection box,
The connection unit is slidable along the surface of the metal plate, a metal plate on which the terminal is stacked, a bolt that clamps the terminal and the metal plate between the nut and the nut by screwing. And a bolt mounting member to which the bolt is mounted. The electrical connection box according to claim 1, wherein the bolt is attached so that the bolt attachment member is slidable along a longitudinal direction of the electric wire. The bolt mounting member is
A bottom plate for positioning the head of the bolt on its surface;
A top plate opposed to the bottom plate, provided with a slit extending along a longitudinal direction of the electric wire, and a shaft portion of the bolt is slidably positioned in the slit, and the head is between the bottom plate The electrical connection box according to claim 2, further comprising a top plate that slidably accommodates the top plate. The metal plate is overlaid on the outer surface of the top plate, and
The electrical junction box according to claim 3, wherein the metal plate is provided with a second slit for slidably positioning the shaft portion. The slit is provided to be recessed from one edge of the top plate along the longitudinal direction of the electric wire; and
When the bolt is slid from the one edge side of the top plate, the shaft portion is positioned in the slit and the head is accommodated between the bottom plate and the top plate, and the bolt The electrical junction box according to claim 3 or 4, wherein the electrical junction box is attached to an attachment member. 6. The electrical junction box according to claim 1, wherein the fixing member is a grommet attached to an outer periphery of the electric wire and attached to an electric wire passage provided in the case. 7. .

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