JP5899590B2 - Plate-shaped portion fixing structure and electric junction box including the plate-shaped portion fixing structure - Google Patents

Description

  The present invention relates to a plate-like portion fixing structure for fixing plate-like portions of a plurality of members including a plate-like portion, and an electric junction box including the plate-like portion fixing structure.

Conventionally, when fixing plate-like parts of a plurality of members including a plate-like part, it fastens using fastening members, such as a bolt and a nut. More specifically, the bolt is inserted into a bolt insertion hole formed in each plate-like portion, and the plate-like portion of each member is fixed.
When fixing the plate-shaped part using bolts in this way, the fastening operation with the bolts is performed after the temporary tightening by hand in order to prevent the bolts from being inserted obliquely with respect to the bolt insertion holes. This is tightened with a tool such as a wrench. For this reason, since the fastening work by the bolt has a complicated work, for example, in Patent Document 1, the plate-like portion of the terminal of the fuse and the terminal of the wire terminal is easily replaced with the plate-like portion of the wire connection portion of the wire connection box. A terminal fixture for an electrical junction box that can be fixed has been proposed.

  A terminal fixture for an electrical junction box described in Patent Document 1 includes a bolt in which a head having a diameter larger than that of the shaft portion is provided at one end of the shaft portion and a spiral groove and an annular groove are provided at the other end, and the bolt A terminal having an elastic pinching portion that elastically holds the front wall having an insertion hole through which the bolt is inserted and the shaft portion of the bolt inserted through the insertion hole and engages with the spiral groove and the annular groove when the bolt is rotated to a predetermined angle. It consists of a bolt receiving member fixed to the connection part, and the terminal of the fuse and the terminal of the electric wire terminal are connected between the head of the bolt and the front wall by engaging the claw part of the elastic clamping part with the spiral groove and the annular groove. It is designed to be fastened together. In this electrical junction box terminal fixture, the bolt is fixed by the elastic clamping portion being bent. That is, the bolt is fixed by utilizing the elasticity of the elastic clamping member.

JP 7-85911 A

  However, since the terminal fixture for an electrical connection box described in Patent Document 1 described above is configured such that the plate-like portion is fixed using elasticity, it is difficult to increase the fixing strength. There was a problem that the connection stability of the connection deteriorated.

  The present invention has been made in view of the above, and includes a plate-shaped portion fixing structure that can be easily fixed and can prevent the connection stability of the electrical connection from being lowered, and the fixing structure. The purpose is to provide an electrical junction box.

In order to solve the above-described problems and achieve the object, the plate-like portion fixing structure according to claim 1 of the present invention includes a plate-like first plate-like portion on which a first plane is formed. opposite the wire terminal, and a bus bar which second plane is the plate-like second plate-shaped portion electrically connected to the-than electrical component has a formation, and said second plane and said first plane One or more fuse terminals each having a plate-like portion fixed structure and having a plate-like portion having an outer surface overlapping the first plane and an inner surface overlapping the second plane, and a cylindrical shape A shaft portion, a head portion provided at one end portion of the shaft portion so that a radial width of the shaft portion is larger than a diameter of the shaft portion, and other shaft portions. Projected partially along the outer periphery of the end and shaped to gradually increase the axial thickness along the direction of rotation for fastening Anda end side projecting thread portion formed by, anda fastening member for connecting fixed so as to electrically connected to each other by fastening the electric wire terminal and the bus bar and the fuse terminals, the wire terminal, It has a first member penetration part formed in the first plate-like part so that the end side protruding screw part of the shaft part can be inserted, and between the head part and the end side protruding screw part The shaft portion is inserted through the first member through-portion, and the first plane is arranged facing the second plane so as to sandwich the fuse terminal, and the bus bar is arranged in the radial direction of the other end. By forming a shape along the cross-sectional shape, a protruding portion is formed in which a portion along the shaft portion is pushed into the inside of the hole, and the end side protruding screw portion can be inserted into the back side of the second plane It becomes a such insertion hole, the fuse terminals, the shaft portion Becomes a third member penetrations end side projecting thread portion is formed on the plate-like portion to be inserted, the fastening member, along with superimposing the inner surface of the fuse terminal to the second plane, The first plane is overlaid on the outer surface of the fuse terminal, and the end-side protruding screw portion is rotated for fastening in a state of being inserted into the insertion hole portion so as to be located on the back side of the second plane. In this case, the electric wire terminal , the bus bar, and the fuse terminal are fastened and connected and fixed so that the end portion of the protruding screw portion in the rotation direction is in contact with the protruding portion. characterized in that that.

The fixing structure of the plate-like portion according to claim 2 of the present invention, in the above invention, the first member through portion is characterized by a circular through hole.

  The plate-like portion fixing structure according to claim 3 of the present invention is the above-described invention, wherein the fastening member is paired so that the end-side protruding screw portion is symmetrically arranged with respect to the shaft portion. A region where the end-side protruding screw portion is provided and a region where the end-side protruding screw portion is not provided are alternately arranged at substantially equal intervals along the outer periphery of the other end portion of the shaft portion. It is formed.

The fixing structure of the plate-like portion according to claim 4 of the present invention, in the above invention, the fastening member, the head in a state where the raised or lowered freely is axially fastened to the top of the head, and fallen The bus bar protrudes on the second plane, and comes into contact with the handle when the handle is tilted at the fastening completion position. Thus, the fastening member has a rotation restricting protrusion that restricts rotation about the axis of the shaft portion.

  The plate-like portion fixing structure according to claim 5 of the present invention is the above invention, wherein the fastening member has one or more spring washers disposed between the head and the end-side protruding screw portion. It is characterized by being made.

  In the plate-like portion fixing structure according to claim 6 of the present invention, in the above invention, the fastening member is one or more plate-like holding members between the head and the end-side protruding screw portion. A plate is arranged.

In order to solve the above-described problems and achieve the object, the electrical junction box according to claim 7 of the present invention has a plate-like portion formed on a plurality of conductive paths, and each conductive path passes through each plate-like portion. An electrical connection box that is electrically connected includes the plate-shaped portion fixing structure described above.

The plate-like portion fixing structure according to claim 1 of the present invention is merely rotated while being inserted through the insertion hole so that the end-side protruding screw portion is positioned on the back side of the second plane. The first conductive member and the second conductive member can be fastened, and the first partial conductive material and the second conductive member can be fixed without using elasticity. While being able to fix, it can prevent that the connection stability of an electrical connection falls.
In the plate-shaped portion fixing structure according to claim 1 of the present invention, the one or more third conductive members are inserted into the third member penetrating portion, and the shaft portion is inserted into the first conductive member. Since it is fastened together with the first conductive member and the second conductive member by being arranged between the second conductive member, three or more conductive members having plate-like portions can be fastened together.

In the plate-like portion fixing structure according to claim 2 of the present invention, since the first member penetrating portion is a circular through hole , when the shaft portion is inserted, the first member is attached to the shaft portion. On the other hand, it becomes difficult to shift in a biased direction, and assembling becomes easy as a result.

  In the plate-like portion fixing structure according to claim 3 of the present invention, the fastening member is provided in pairs such that the end-side protruding screw portions are symmetrically arranged with respect to the shaft portion, and the shaft portion. Along the outer periphery of the other end portion, the region where the end-side protruding screw portion is provided and the region where the end-side protruding screw portion is not provided are alternately formed at substantially equal intervals. The fastening member can be fastened and released by rotating 90 degrees about the shaft portion. In addition, since the end-side protruding screw portions are provided in pairs so as to be symmetrically arranged with respect to the shaft portion, the shaft portion becomes difficult to tilt when the fastening member is rotated, and the first plane The first member and the second member can be fastened while stably maintaining a parallel state with the second plane.

  According to a fourth aspect of the present invention, there is provided a plate-like portion fixing structure in which the handle member is brought down at the fastening completion position of the fastening member and brought into contact with the rotation restricting projection portion so that the fastening member is fastened to the fastening completion position. Can be prevented from rotating.

  In the plate-like portion fixing structure according to claim 5 of the present invention, since the fastening force is added to the first plate-like portion and the second plate-like portion by the spring washer so as to reduce the variation, The first member and the second member can be fastened while stably maintaining a parallel state between the plane and the second plane.

  In the plate-like portion fixing structure according to claim 6 of the present invention, the fastening force can be easily adjusted by disposing the holding plate between the head portion and the end-side protruding screw portion. .

The electrical junction box according to claim 7 of the present invention has the same effect as the plate-shaped portion fixing structure described above by applying the plate-shaped portion fixing structure described above to the wire terminal fixing structure. it can.

FIG. 1 is an exploded perspective view of a plate-like portion fixing structure according to an embodiment of the present invention and an electric junction box including the plate-like portion fixing structure. FIG. 2 is an enlarged perspective view of the plate-like portion fixing structure shown in FIG. FIG. 3 is an enlarged perspective view of the fastening member shown in FIG. 1 viewed from the front. FIG. 4 is an enlarged perspective view of the fastening member shown in FIG. 1 viewed from the rear. FIG. 5 is a view showing the periphery of the insertion hole of the bus bar shown in FIG. FIG. 6 is a view for explaining a state before the fastening member shown in FIG. 1 is rotated in the fastening direction. FIG. 7 is a diagram for explaining a state in which the fastening member illustrated in FIG. 1 is rotated in the fastening direction and the fastening is completed. FIG. 8 is a diagram showing an assembling procedure of the fixing structure of the plate-like portion. FIG. 9 is a diagram showing an assembling procedure of the plate-like portion fixing structure. FIG. 10 is a diagram showing an assembling procedure of the fixing structure of the plate-like portion. FIG. 11 is a diagram showing an assembling procedure of the plate-like portion fixing structure. FIG. 12 is an exploded perspective view of a plate-like portion fixing structure according to Modification 1 and an electric junction box including the plate-like portion fixing structure. FIG. 13 is an enlarged perspective view of the fastening member shown in FIG. 12 viewed from the rear. FIG. 14 is a view for explaining a state before the fastening member shown in FIG. 12 is rotated in the fastening direction. FIG. 15 is an exploded perspective view of the vicinity of the fastening member of the electrical junction box according to the second modification. FIG. 16 is an enlarged perspective view of the fastening member shown in FIG. 15 as viewed from the front.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of a plate-shaped portion fixing structure and an electric junction box including the fixing structure according to the present invention will be described in detail with reference to the drawings.

FIG. 1 is an exploded perspective view of a plate-like portion fixing structure 1 and an electric junction box 100 including the plate-like portion fixing structure 1 according to an embodiment of the present invention. FIG. 2 is an enlarged perspective view of the plate-like portion fixing structure 1 shown in FIG. FIG. 3 is an enlarged perspective view of the fastening member 30 shown in FIG. 1 as viewed from the front. FIG. 4 is an enlarged perspective view of the fastening member 30 shown in FIG. 1 viewed from the rear. FIG. 5 is a view showing the periphery of the insertion hole 22 of the bus bar 20 shown in FIG. 6 is a view for explaining a state before the fastening member 30 shown in FIG. 1 is rotated in the fastening direction D. FIG. FIG. 7 is a view for explaining a state where the fastening member 30 shown in FIG. 1 is rotated in the fastening direction D and the fastening is completed.
6 and 7, the diagram shown in the upper part shows a portion of the plate-like portion fixing structure 1 that is located behind the fuse terminal 122. In FIGS. 6 and 7, the diagram shown in the lower part shows an arrow view of the upper part.
For the sake of convenience, the directions of the arrows that are orthogonal to each other shown in the figure are the front, rear, left, right, up and down directions.

An electrical junction box 100 including a plate-like portion fixing structure 1 according to an embodiment of the present invention includes a plate-like electric wire terminal 10 connected to a terminal portion of an electric wire W, a plate-like fuse terminal 122 of a fuse 120, and a plate. This is a so-called fuse box that is electrically connected to the bus bar.
The electrical junction box 100 includes a box body 101 that forms an outline of the electrical junction box 100, a cassette block 110 that is attached to the box body 101 , two fuses 120, and a plate-shaped portion fixing structure 1. Have.

The box body 101 is made of an insulating resin material such as synthetic resin and has a box shape.
The cassette block 110 is made of an insulating resin material such as a synthetic resin. The cassette block 110 is provided with an insertion port 112 into which each fuse 120 is inserted in the upper part 111 and a fuse terminal arrangement part 114 in which a fuse terminal 122 described later is arranged in the lower part 113. Is provided.
Moreover, the fuse terminal arrangement | positioning part 114 is formed with the attachment opening part 114a which is an opening for enabling the electric wire terminal 10 to be attached to the bus bar 20 mentioned later.
Further, at the lower end of the cassette block 110, an electric wire outlet 114b, which is an opening for drawing out the electric wire W connected to the electric wire terminal 10, is formed.

Each fuse 120 includes a fuse body 121 and a pair of fuse terminals 122.
The fuse body 121 houses a fusible portion (not shown) connected to each fuse terminal 122 between a pair of fuse terminals 122.
Each fuse terminal 122 of the pair of fuse terminals 122 is a plate-like terminal in which a fuse terminal plane 122a connected to the first plane 11a of the electric wire terminal 10 is formed, and the other end 31b of the shaft portion 31 described later. A through-hole 122b into which can be inserted is formed.

Next, the plate-shaped portion fixing structure 1 will be described.
The plate-like portion fixing structure 1 includes a wire-like terminal 10 having a plate-like first plate-like portion 11 on which a first flat surface 11a is formed, and a plate-like second plate on which a second flat surface 21a is formed. The bus bar 20 having the shape portion 21 is a fixed structure that is fastened with the first plane 11a and the second plane 21a facing each other.
The plate-like portion fixing structure 1 of this embodiment has a plate-like fuse terminal 122 as a third conductive member disposed between the wire terminal 10 as the first conductive member and the bus bar 20 as the second conductive member. Is done. For this reason, the fuse terminal 122 is fastened together with the electric wire terminal 10 and the bus bar 20.

The bus bar 20 is a plate-like conductive path that is electrically connected together with each fuse terminal 120 and the wire terminal 10 and is electrically connected to each electrical component in the electrical connection box 100, and is provided in the box main body 101 . It has been.

The plate-like portion fixing structure 1 includes a fastening member 30.
The fastening member 30 fastens the electric wire terminal 10, the bus bar 20, and further the fuse terminal 122.
The fastening member 30 includes a cylindrical shaft portion 31, a head portion 32 provided at one end portion 31 a of the shaft portion 31, and an end side protruding screw portion formed at the other end portion 31 b of the shaft portion 31. 40, and a handle portion 50 that is a handle portion when the fastening member 30 is rotated in a rotation direction D (hereinafter referred to as a fastening direction) for fastening and a fastening release direction.

The head portion 32 is formed such that the radial width of the shaft portion 31 is larger than the diameter of the shaft portion 31. More specifically, the head 32 has a cylindrical shape with a larger diameter than the shaft 31. Such a lower surface 32b of the head 32 is configured such that the electric wire terminal 10 comes into contact therewith.
In addition, although the head 32 illustrated what made a column shape, it is not restricted to this. That is, the head portion 32 has other shapes as long as the width of the shaft portion 31 in the radial direction is larger than the diameter of the shaft portion 31 so that the lower surface 32b is in contact with the wire terminal 10. There may be. For example, a prismatic shape may be used.

  The end-side protruding screw portion 40 is partially protruded along the outer periphery of the other end portion 31 b (hereinafter referred to as the screw-side end portion) of the shaft portion 31, and gradually extends in the axial direction along the fastening direction D. It is formed to increase the thickness. More specifically, the end-side protruding screw portions 40 are provided in pairs so as to be symmetrically arranged with respect to the shaft portion 31 and protruded along the outer periphery of the screw-side end portion 31b. Regions where the screw portions 40 are provided and regions where the end-side protruding screw portions 40 are not provided are alternately formed at substantially equal intervals.

The handle portion 50 is a substantially U-shaped plate member, and both end portions 50 a thereof are pivotally supported by the side portions 32 c of the head portion 32. Such a handle portion 50 is pivotally supported on the upper surface 32a of the head portion 31 so as to be able to rise and fall, and protrudes to the side of the head portion 32 in a fallen state.
For this reason, the handle part 50 is brought into contact with a pair of locking projections 23 described later by being tilted. When the handle 50 is brought into contact with the pair of locking projections 23, the head 32 is fixed so as not to rotate about the shaft 31.

Here, the electric wire terminal 10 will be described in more detail.
The electric wire terminal 10 includes an electric wire terminal penetration portion 12 that is a circular through hole as a first member penetration portion formed in the first plate-like portion 11 so that the shaft portion 31 can be inserted. In the electric wire terminal 10, the shaft portion 31 is inserted into the electric wire terminal penetrating portion 12 between the head portion 32 and the end-side protruding screw portion 40, and the first plane 11a is disposed facing the second plane 21a. The
In addition, the electric wire terminal penetration part 12 is not restricted to a circular through-hole, and may have other shapes as long as the shaft part 31 is inserted.

Next, the bus bar 20 will be described in more detail.
The bus bar 20 has a protruding portion 22a in which a portion along the shaft portion 31 is pushed into the inside of the hole by forming a shape along the radial cross-sectional shape of the screw portion side end portion 31b, and the end portion side. The protruding screw part 40 has an insertion hole part 22 that can be inserted into the back side of the second flat surface 21a. More specifically, the insertion hole portion 22 is provided in pairs so that the protruding portion 22 a is arranged symmetrically with respect to the shaft portion 31.

In addition, the bus bar 20 protrudes on the second plane 21 a, and when the handle portion 50 is brought down at the fastening completion position, the bus bar 20 comes into contact with the handle portion 50, so that the fastening member 30 moves the shaft of the shaft portion 31. It has a rotation restricting protrusion 23 that restricts rotation around the center.
The rotation restricting protrusion 23 has a pair of locking protrusions 23a. The pair of locking projections 23a are provided on the second plane 21a so as to face each other with the insertion hole 22 therebetween and so as not to interfere with the fuse terminal 122 when the fuse terminal 122 is attached. As shown in FIG. 2, when the handle portion 50 is brought down at the fastening completion position, the handle portion 50 is brought into contact with both side portions of the handle portion 50.
The rotation restricting projection 23 prevents the fastening member 30 from being rotated about the axis of the shaft portion 31 and holds the handle portion 50 in a tilted state.
In addition, although the rotation control projection part 23 illustrated what has a pair of latching projection part 23a protruded so that it might oppose with the insertion hole part 22 in between, rotation of the fastening member 30 is controlled. If possible, the installation location and the number of installations are not limited to this.

  Such a fixing structure 1 for the plate-like portion is used for fastening the fastening member 30 in a state where the end side protruding screw part 40 is inserted through the insertion hole part 22 so as to be positioned on the back side of the second plane 21a. When rotated, the electric wire terminal 10, the bus bar 20, and the fuse terminal 122 are fastened by bringing the rotational direction back side portion 41 of each end side protruding screw portion 40 into contact with the protruding portion 22 a. .

  In the embodiment of the present invention, the electric junction box 100 is illustrated as having two fuses 120 accommodated therein. However, the present invention is not limited to this, as long as one or more fuses 120 are accommodated.

Here, the assembly procedure of the plate-shaped portion fixing structure 1 will be described with reference to FIGS. FIGS. 8-11 is the figure which showed the assembly | attachment procedure of the fixing structure 1 of a plate-shaped part.
First, the operator sets the fuse 120 on the cassette block 110 (see FIG. 8A). Thereby, each fuse terminal 122 is arranged on the second plane 21 a of the bus bar 20. More specifically, the insertion hole portion 22 of the bus bar 20 and the through hole 122b of the fuse terminal 122 are arranged so that they can be inserted through the screw portion side end portion 31b.

Thereafter, the worker arranges the electric wire terminal 10 at a fixed position between the fuse terminal 122 and the bus bar 20 (see FIG. 8B). More specifically, it arrange | positions so that the electric wire terminal penetration part 12 of the electric wire terminal 10 and the through-hole 122b of the fuse terminal 122 may be located in a line so that the thread part side edge part 31b can be penetrated.
Thereby, the electric wire terminal 10, the fuse terminal 122, and the bus bar 20 are arranged side by side so that the screw part side end part 31b can be inserted.
Further, the electric wire terminal 10 is arranged with the first plane 11a and the fuse terminal plane 122a facing each other by arranging the first plane 11a facing the second plane 21a of the bus bar 20.
When the electric wire terminal 10 is arranged at a fixed position between the fuse terminal 122 and the bus bar 20, the screw portion side end portion 31b is inserted into the electric wire terminal penetration portion 12 of the electric wire terminal 10 so as to perform alignment. It doesn't matter.

  Thereafter, the operator inserts the end side protruding screw portion 40 of the fastening member 30 into the wire terminal penetration portion 12, the through hole 122 b, and the insertion hole portion 22. (See FIGS. 9A and 9B). Thereby, the edge part side protrusion screw part 40 is located in the back side of the 2nd plane 21a. In this state, the wire terminal 10 has the shaft portion 32 inserted through the wire terminal penetrating portion 12 between the head portion 32 and the end portion protruding screw portion 40, and the first plane 11 a has the end portion protruding screw portion 40. Arranged facing the side.

Thereafter, the operator picks the handle 50 and rotates the fastening member 30 by a predetermined angle in the fastening direction D. (See FIGS. 10A and 10B). As a result, as shown in FIGS. 6 and 7, each end-side protruding screw portion 40 starts to slidably contact each protruding portion 22a from a portion having a small axial thickness (see FIG. 6). At the same time, each protruding portion 22a is brought into contact with a portion where each end protruding screw portion 40 is thick (see FIG. 7). That is, when the fastening member 30 is rotated in the fastening direction D, the wire terminal 10 and the bus bar 20 are fastened. Thereby, since the electric wire terminal 10, the bus bar 20, and the fuse terminal 122 are fastened, the fuse terminal 122, the electric wire terminal 10, and the bus bar 20 are connected and fixed.
A region in which the end-side protruding screw portions 40 are provided in pairs so as to be arranged symmetrically with respect to the shaft portion 31, and the end-side protruding screw portions 40 are provided along the outer periphery of the screw portion-side end portion 31b. And the region where the shaft portion forms the outer periphery are alternately formed at substantially equal intervals. As shown in FIG. 7, after inserting the end side protruding screw portion 40 into the insertion hole portion 22, the fastening direction By rotating approximately 90 degrees in D, it is fastened most strongly. Further, since the end-side protruding screw portions 40 are provided in pairs so as to be symmetrically arranged with respect to the shaft portion 31, the shaft portion 31 is difficult to tilt when the fastening member 30 is rotated.

Thereafter, the operator brings the handle 50 into contact with the pair of protruding locking portions 23 by tilting the handle 50. (See FIG. 11). Thereby, the fastening member 30 is fixed so as not to be rotated from the fastening completion position.
In addition, when releasing a fastening state, a fixed state is cancelled | released by rotating 90 degree | times in the reverse direction to the fastening direction D. FIG.

  The plate-shaped portion fixing structure 1 according to the embodiment of the present invention is simply rotated while being inserted through the insertion hole portion 22 so that the end side protruding screw portion 40 is positioned on the back side of the second plane 21a. The electric wire terminal 10, the bus bar 20, and the fuse terminal 122 can be fastened, and the electric wire terminal 10, the bus bar 20, and the fuse terminal 122 can be fixed without using elasticity. It is possible to prevent the connection stability of the electrical connection from being lowered.

Moreover, since the electric wire terminal penetration part 12 is a circular through-hole , the fixing structure 1 of the plate-shaped part which concerns on the Example of this invention WHEREIN: When the axial part 31 is penetrated, the electric wire terminal 10 is in the axial part 31. On the other hand, it becomes difficult to shift in a biased direction, and assembling becomes easy as a result.

  Further, the plate-shaped portion fixing structure 1 according to the embodiment of the present invention can be fastened and unfastened by the fastening member 30 being rotated 90 degrees around the shaft portion 31. Moreover, since the end-side protruding screw portions 40 are provided in pairs so as to be symmetrically arranged with respect to the shaft portion 31, when the fastening member 30 is rotated, the shaft portion 31 is difficult to tilt, and the first plane 11a. And the electric wire terminal 10, the bus-bar 20, and the fuse terminal 122 can be fastened, maintaining a parallel state with the 2nd plane 21a stably.

  Further, in the plate-shaped portion fixing structure 1 according to the embodiment of the present invention, the handle 50 is brought down at the fastening completion position of the fastening member 30 and is brought into contact with the pair of locking projections 23, thereby fastening member 30. Can be prevented from rotating in the fastening completion position.

  Further, the plate-like portion fixing structure 1 according to the embodiment of the present invention is fastened together with the electric wire terminal 10 and the bus bar 20 by the fuse terminal 122 being arranged between the electric wire terminal 10 and the bus bar 20. It is possible to fasten together three conductive members having a shaped portion.

  In addition, the electrical junction box 100 according to the embodiment of the present invention has the same effect as the plate-shaped portion fixing structure 1 by applying the plate-shaped portion fixing structure 1 to the wire terminal 10 fixing structure. Can do.

(Modification 1)
Next, Modification 1 of the electrical junction box 100 according to the embodiment of the present invention will be described with reference to FIGS. FIG. 12 is an exploded perspective view of the plate-like portion fixing structure 2 of Modification 1 and the electric junction box 200 including the plate-like portion fixing structure 2. FIG. 13 is an enlarged perspective view of the fastening member 60 shown in FIG. 12 viewed from the rear. FIG. 14 is a view for explaining a state before the fastening member 60 shown in FIG. 12 is rotated in the fastening direction.
FIG. 14 shows a portion of the plate-like portion fixing structure 2 that is located behind the fuse terminal.

The electric junction box 200 of the first modification is the same as that of the embodiment in that the plate-shaped portion fixing structure 2 includes a fastening member 60 instead of the fastening member 30 and a bus bar 70 instead of the bus bar 20. Different from the plate-shaped portion fixing structure 1.
Other configurations are the same as those in the embodiment, and the same components as those in the embodiment are denoted by the same reference numerals.

  As shown in FIG. 13, the fastening member 60 has an end-side protruding screw portion 61 projecting from the outer circumference of the screw-side end portion 31 b in a region corresponding to almost a half of the outer circumference. More specifically, the region along the outer periphery of the screw portion side end portion 31b is divided into two portions: a region where the end portion protruding screw portion 61 is provided and a region where the end portion protruding screw portion 61 is not provided. It is supposed to be.

  As shown in FIG. 14, the bus bar 70 has a shape that is substantially half the circumference of the edge surface 71 b of the insertion hole portion 71 because the insertion hole portion 71 has a shape along the radial cross-sectional shape of the screw portion side end portion 31 b. A protruding portion 71a is formed so as to be pushed into the inside of the hole.

  The plate-like portion fixing structure 2 of the first modification is similar to the plate-like portion fixing structure 1 of the embodiment in that the insertion hole portion is arranged so that the end-side protruding screw portion 61 is located on the back side of the second plane 21a. The wire terminal 10, the bus bar 70, and the fuse terminal 122 can be fastened only by being rotated while being inserted through the 71, and the wire terminal 10, the bus bar 70, and the fuse can be used without using elasticity. Since the terminal 122 can be fixed, it can be fixed easily and the connection stability of the electrical connection can be prevented from being lowered.

(Modification 2)
Next, a second modification of the electrical junction box 100 according to the embodiment of the present invention will be described with reference to FIGS. 15 and 16. FIG. 15 is an exploded perspective view of the vicinity of the fastening member 80 of the electrical junction box 300 of the second modification. 16 is an enlarged perspective view of the fastening member 80 shown in FIG. 15 viewed from the front.

The electrical connection box 200 of this modification 2 is different from the plate-shaped portion fixing structure 1 of the embodiment in that the plate-shaped portion fixing structure 3 includes a fastening member 80 instead of the fastening member 30. .
Other configurations are the same as those in the embodiment, and the same components as those in the embodiment are denoted by the same reference numerals.

  The fastening member 80 is provided with one spring washer 81 and one flat holding plate 82 between the head portion 32 and the end-side protruding screw portion 40. For this reason, the spring washer 81 and the flat holding plate 82 can be arranged between the electric wire terminal 10 and the head portion 32.

In the plate-like portion fixing structure 3 of the second modification example, the spring washer 81 adds the fastening force to the first plate-like portion 11 and the second plate-like portion 21 so as to reduce variation. The electric wire terminal 10, the bus bar 20, and the fuse terminal 122 can be fastened while stably maintaining the parallel state between the flat surface 11a and the second flat surface 21a.
Further, the holding plate 82 adjusts the distance from the lower surface 32b of the head 32 to the end-side protruding screw portion 40, and as a result, the fastening force can be adjusted.
The plate-shaped portion fixing structure 3 of Modification 2 is exemplified by a structure in which one spring washer 81 and one flat holding plate 82 are provided. However, the number of spring washers 81 and holding plates 82 is not limited. However, the present invention is not limited to this, and may be set as appropriate.

  The plate-like portion fixing structures 1, 2, and 3 according to the embodiment of the present invention have the fastening members 30, 60, and 60, respectively, from the fastening completion position when the handle portion 50 is brought into contact with the pair of protruding contact portions 23. Although the thing which prevents 80 from rotating was illustrated, it is not restricted to this. That is, as long as it is difficult for the fastening members 30, 60, and 80 to be rotated at the fastening completion position, a configuration without the handle portion 50 may be used. For example, the fastening members 30, 60, and 80 may be made difficult to rotate from the fastening completion position by adjusting the maximum axial thickness of the end-side protruding screw part 40 and increasing the fastening force.

  Further, the plate-like portion fixing structures 1, 2, 3 according to the embodiment of the present invention are exemplified by the fastening members 30, 60, 80 made of a metal material. May be.

  Moreover, although the fixing structure 1, 2, 3 of the plate-shaped part which concerns on the Example of this invention illustrated that the electric wire terminal penetration part 12 has a circular through-hole, the axial part 31 comes to be penetrated. If it has, it may be a notch shape cut inwardly from the end 11b of the first plate-like portion 11.

  In the plate-like portion fixing structures 1, 2, and 3 according to the embodiment of the present invention, the first conductive member is the electric wire terminal 10, the second conductive member is the bus bar 20, and the third conductive member is the fuse terminal. However, the present invention is not limited to this, and other terminals or the like may be used as long as the conductive member has a plate-like portion. For example, the second conductive member may be the fuse terminal 122.

  Moreover, although the fixing structure 1, 2, 3 of the plate-shaped part which concerns on the Example of this invention illustrated what fastened the three electrically-conductive members which have a plate-shaped part, it is not restricted to this, At least It is only necessary that the first conductive member and the second conductive member can be fastened. Further, the third conductive member disposed between the first conductive member and the second conductive member is not limited to one, and a plurality of third conductive members may be disposed. That is, three or more conductive members having a plate-like portion may be fastened together.

  As mentioned above, the invention made by the present inventor has been specifically described based on the above-described embodiments of the invention. However, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention. It can be changed.

1, 2 and 3 Fixing structure of plate-like part 10 Electric wire terminal 11 First plate-like part 11a First plane 12 Electric wire terminal penetration part 20, 70 Bus bar 21 Second plate-like part 21a Second plane 22, 71 Insertion hole part 22a , 71a Projecting portion 23 Rotation restricting projection portion 23a Locking projection portion 30, 60, 80 Fastening member 31 Shaft portion 31a One end portion 31b Other end portion 32 Head portion 32a Upper surface 32b Lower surface 40, 61 End side protruding screw portion 41 Rotation Back part in direction 50 Handle part 71b Edge surface 81 Spring washer 82 Holding plate 100, 200, 300 Electrical junction box 101 Box body part 110 Cassette block 111 Upper part 112 Insertion port 113 Lower part 114 Fuse terminal arrangement part 114a Installation opening part 114b Electric wire drawer Port 120 Fuse 121 Fuse body 122 Fuse terminal Rotational direction for 22a plane 122b through holes W wire D fastening

Claims (7)

A wire terminal comprising a plate-like first plate portion first plane is formed, electrical and-than electrical component having a plate-shaped second plate portion second plane is formed The bus bar connected to the plate-shaped portion is fastened with the first plane and the second plane facing each other,
One or more fuse terminals having a plate-like portion with an outer surface overlapping the first plane and an inner surface overlapping the second plane;
A columnar shaft portion, and a head portion provided at one end portion of the shaft portion so that a radial width of the shaft portion is larger than a diameter of the shaft portion;
An end-side protruding screw portion that is partially protruded along the outer periphery of the other end portion of the shaft portion and formed so as to gradually increase the thickness in the axial direction along the rotation direction for fastening;
A fastening member that fastens and connects the wire terminal, the bus bar, and the fuse terminal so as to be electrically connected to each other ;
Including
The wire terminal is
It has a first member penetration part formed in the first plate-like part so that the end side protruding screw part of the shaft part can be inserted, and between the head part and the end side protruding screw part The shaft portion is inserted through the first member penetration portion, and the first plane is arranged facing the second plane so as to sandwich the fuse terminal ,
The bus bar
By forming a shape along the radial cross-sectional shape of the other end portion, a protruding portion in which a portion along the shaft portion is pushed into the inside of the hole is formed, and the end-side protruding screw portion is the first It has an insertion hole that can be inserted on the back side of two planes,
The fuse terminal is
It has a third member penetration part formed in the plate-like part so that the end side protruding screw part of the shaft part can be inserted,
The fastening member is
The inner surface of the fuse terminal is overlaid on the second plane, the first plane is overlaid on the outer surface of the fuse terminal, and the insertion portion is positioned such that the end-side protruding screw portion is located on the back side of the second plane. When rotated for fastening in a state of being inserted through the hole, the wire terminal , the bus bar , A fixing structure for a plate-like portion, wherein the fuse terminal is fastened and connected and fixed so as to be electrically connected to each other . The first member penetration part is
Fixing structure of the plate-like portion according to claim 1, which is a circular through-hole. The fastening member is
A region in which the end-side protruding screw portions are provided in pairs so as to be symmetrically arranged with respect to the shaft portion, and the end-side protruding screw portions are provided along the outer periphery of the other end portion of the shaft portion. The plate-like portion fixing structure according to claim 1, wherein the region where the end side protruding screw portion is not provided is alternately formed at substantially equal intervals. The fastening member is
Wherein a raised or lowered freely axially fixed to the top of the head, and in a collapsed state will have a handle portion that protrudes to the side of the head,
The bus bar
When projecting on the second plane and the handle part is tilted at the fastening completion position, the fastening member is restricted from rotating around the axis of the shaft part by contacting the handle part. The plate-like portion fixing structure according to claim 1, 2, or 3, further comprising a rotation restricting protrusion portion. The fastening member is
5. The plate-like portion fixing structure according to claim 1, wherein one or more spring washers are disposed between the head and the end-side protruding screw portion. The fastening member is
The plate shape according to claim 1, 2, 3, 4, or 5, wherein one or more flat holding plates are disposed between the head portion and the end-side protruding screw portion. Part fixing structure. In an electrical junction box in which plate-like portions are formed in a plurality of conductive paths, and each conductive path is electrically connected via each plate-like portion,
An electrical junction box comprising the plate-like portion fixing structure according to claim 1, 2, 3, 4, 5, or 6 .

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