JP2009181934A - Ground terminal fitting and its assembling structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce a wiring space for an electric wire connected to barrel parts in the cross direction parallel to the plate face of a plate-like mounted part when a plurality of ground terminal fittings are combined so that the plate mounting parts are overlapped with each other. <P>SOLUTION: The ground terminal fitting 10 includes the plate-like mounted part 11 conductively mounted on an ground member 60, and the barrel parts 22, 42 formed extending from the rear edge of the plate-like mounted part 11 and to which the electric wire 15 is connected. It can be combined with the other ground terminal fitting 10 so that the plate-like mounted parts 11 are overlapped with each other. The barrel parts 22, 42 are in a bent formed to raise the plate-like mounted part 11 to its surface side. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an earth terminal fitting and an assembly structure of an earth terminal fitting.

Patent Document 1 discloses a grounding terminal fitting in a form in which a barrel part for crimping an electric wire is projected from an outer edge of a plate-like attachment part, and the plate-like attachment part is connected to a ground member in a conductive manner. Is disclosed. This grounding terminal fitting can be used by assembling a plurality of pieces so that the plate-like mounting portions are overlapped with each other. When a plurality of ground terminal fittings are combined, the electric wire connected to the barrel portion extends in parallel with the plate surface of the plate-like mounting portion from the outer edge of the plate-like mounting portion.
Japanese Patent Laid-Open No. 08-250165

In the above-mentioned conventional one, since a plurality of electric wires extend from the outer edge of the plate-like mounting portion in parallel to the plate surface of the plate-like mounting portion, the width parallel to the plate surface of the plate-like mounting portion The space required for wiring the wires in the direction becomes large.
As a method of reducing the wiring space in the width direction parallel to the plate surface of the plate-like mounting portion, the barrel portion is perpendicular to the plate surface of the plate-like mounting portion, that is, in the overlapping direction of the plate-like mounting portions. It may be possible to arrange them vertically. However, since the barrel portion is configured to surround the electric wire, it is inevitable that the height of the barrel portion is larger than the plate thickness of the plate-like attachment portion. Therefore, even if it tries to overlap plate-shaped attachment parts, since barrel parts interfere, plate-shaped attachment parts cannot be overlapped.

  The present invention has been completed based on the above circumstances, and when a plurality of ground terminal fittings are combined so that their plate-like mounting portions overlap each other, the wiring of the electric wires connected to the barrel portion is arranged. The object is to reduce the space in the width direction parallel to the plate surface of the plate-like mounting portion.

  As means for achieving the above object, the invention of claim 1 is a plate-like mounting portion that is attached to the ground member so as to be conductive, and a form extending from a rear end edge of the plate-like mounting portion. A grounding terminal fitting having a barrel portion to which an electric wire is connected, wherein the plate-like mounting portion can be combined with the other grounding terminal fitting in an overlapping manner. The barrel portion is characterized in that it is bent so as to be raised to the surface side with respect to the plate-like mounting portion.

  The invention of claim 2 is characterized in that, in the invention of claim 1, the plurality of barrel portions extend from different positions in the width direction at the rear end edge of the plate-like attachment portion.

  A third aspect of the invention is the one according to the second aspect, wherein a plurality of types of terminal pieces including a plate portion and the barrel portion extending rearward from a rear end edge of the plate portion are combined. The position of the barrel portion in the width direction is different from each other for each of the different types of terminal pieces, and the plate-like attachment portion is configured by overlapping the plate portions. Have.

  The invention according to claim 4 is the attachment according to any one of claims 1 to 3, wherein a bolt for attaching the plate-like attachment portion to the ground member is passed through the plate-like attachment portion. A hole is formed, and the mounting hole is characterized by being opened in the shape of a long hole extending in the front-rear direction.

  According to a fifth aspect of the present invention, in the one according to the fourth aspect, a positioning projection capable of positioning the bolt penetrating the mounting hole in the front-rear direction is formed at a hole edge portion extending in the front-rear direction in the mounting hole. It has the characteristics in the place.

  The invention of claim 6 includes a plate-like mounting portion that is attached to the ground member so as to be conductive, and a barrel portion that extends from the rear end edge of the plate-like mounting portion and to which an electric wire is connected. A grounding terminal metal grounding structure in which a plurality of grounding terminal metal fittings are combined so that the plate-like attachment portions overlap each other, and the barrel portion is raised to the surface side with respect to the plate-like attachment portion. The plate-shaped mounting portion on the front surface side of the stacked plate-shaped mounting portions is arranged in a form shifted forward with respect to the plate-shaped mounting portion on the back surface side. It has a characteristic where it exists.

<Invention of Claim 1>
Since the barrel part is bent to the surface side of the plate-like attachment part, the arrangement is such that the plate-like attachment part on the surface side out of the overlapped plate-like attachment parts is shifted forward with respect to the plate-like attachment part on the back side In this case, the barrel portion of the ground terminal fitting on the front surface side and the electric wire connected to the barrel portion do not interfere with the barrel portion of the ground terminal fitting on the rear surface side and the electric wire connected to the barrel portion. .

  Thus, when a plurality of ground terminal fittings are combined so that their plate-like mounting portions overlap each other, the barrel portion and the wires connected to the barrel portion are arranged to be at the same position in the width direction. However, there is no hindrance to the overlapping of the plate-like mounting portions due to the interference of the barrel portion and the electric wire. Therefore, according to this invention, the wiring space of the electric wire connected to the barrel part can be made small in the width direction parallel to the plate | board surface of a plate-shaped attachment part.

<Invention of Claim 2>
Since a plurality of barrel portions are provided in one plate-like mounting portion, the number of ground terminal fittings used for the same number of wires can be reduced.

<Invention of Claim 3>
When a plurality of barrels are formed side by side on a plate-shaped mounting part consisting of a single part, the pitch between the barrels to avoid interference with the applicator for crimping and connecting the wires to the barrels Need to be larger. On the other hand, in the present invention, one plate-like mounting portion is composed of a plurality of plate portions, and the position in the width direction of the barrel portion arranged on one plate portion is different between different types of terminal pieces. Therefore, if the crimping | compression-bonding process of the electric wire by an applicator is performed in the state which terminal pieces isolate | separated, the pitch of the width direction of the barrel part in the state which united the several terminal piece can be narrowed. Thereby, the terminal fitting for grounding can be reduced in size in the width direction.

<Invention of Claim 4>
In the state where the plate-like mounting portions are shifted back and forth and overlapped, the opening area of the mounting hole located on the front surface side and the opening area of the mounting hole located on the back surface side are partially aligned. The plate-like attachment portion can be attached to the ground member by penetrating the wire.
According to the present invention, by reducing the number of the plate-like attachment portions to be overlapped, the matching region of the attachment holes on the front surface side and the attachment holes on the back surface side can be made into a long hole shape that is long in the front-rear direction. In this case, in the front-rear direction, the degree of freedom of the mounting position of the ground terminal fitting with respect to the ground member is increased. Even when only one earth terminal fitting is attached to the earth member without overlapping the plate-like attachment portions, the degree of freedom of the position of the earth terminal fitting attached to the earth member is high in the front-rear direction.

<Invention of Claim 5>
When only one grounding terminal fitting is attached to the grounding member without overlapping the plate-like mounting portion, the bolts are passed through the mounting holes, so that the grounding terminal Misalignment can be prevented.

<Invention of Claim 6>
The barrel portion is bent toward the front surface side of the plate-shaped mounting portion, and the plate-shaped mounting portion on the front surface side of the stacked plate-shaped mounting portions is arranged so as to be shifted forward with respect to the plate-shaped mounting portion on the back surface side. Therefore, the barrel portion of the ground terminal fitting on the front surface side and the electric wire connected to the barrel portion do not interfere with the barrel portion of the ground terminal fitting on the rear surface side and the electric wire connected to the barrel portion.

  Thus, when a plurality of ground terminal fittings are combined so that their plate-like mounting portions overlap each other, the barrel portion and the wires connected to the barrel portion are arranged to be at the same position in the width direction. However, there is no hindrance to the overlapping of the plate-like mounting portions due to the interference of the barrel portion and the electric wire. Therefore, according to this invention, the wiring space of the electric wire connected to the barrel part can be made small in the width direction parallel to the plate | board surface of a plate-shaped attachment part.

<Embodiment 1>
A first embodiment of the present invention will be described below with reference to FIGS. The ground terminal fitting 10 of the present embodiment is configured by combining the first terminal piece 20 and the second terminal piece 40, and the ground terminal fitting 10 can be electrically connected to the ground member 60 independently. It can be attached. In addition, a plurality of (one to two in this embodiment) grounding terminal fittings 10 having the same shape are attached so as to be conductive with respect to the grounding member 60 in a state where they are combined so as to overlap each other. It is like that.

  The first terminal piece 20 is manufactured by bending or cutting and raising a metal plate material punched into a predetermined shape. The first terminal piece 20 has a first plate portion 21 having a rectangular shape that is long in the front-rear direction as a whole, It has the 1st barrel part 22 of the form extended backward from the rear-end edge (left edge in FIGS. 1-6) of the board part 21. As shown in FIG. The upper surface side of the first plate portion 21 is the front surface side, and the lower surface is the back surface side. The position of the first barrel portion 22 at the rear edge of the first plate portion 21 is shifted to the left from the center position in the width direction (left-right direction).

  The first barrel portion 22 has an open barrel shape having a substrate portion 23 that is long in the front-rear direction, and a pair of caulking pieces 24 that rise upward from the left and right side edges of the substrate portion (on the surface side of the first plate portion 21). Yes. The front end of the substrate portion 23 is connected to the rear edge of the first plate portion 21, but the substrate portion is bent so as to occur obliquely upward with respect to the first plate portion 21, that is, on the surface side of the first plate portion 21. It has a form. That is, the first barrel portion 22 is configured to extend obliquely upward and rearward with respect to the first plate portion 21. The angle formed by the first plate portion 21 and the substrate portion 23 of the first barrel portion 22 is about 45 °.

  A front end portion of the electric wire 15 is connected to the first barrel portion 22 so as to be conductive by crimping. In addition, illustration of the electric wire 15 is abbreviate | omitted in FIG. When crimping, an applicator having a well-known structure (not shown) is used, and a pair of caulking pieces 24 are attached to the electric wire 15 placed on the upper surface of the substrate portion 23 (the surface on the side continuous with the surface of the first plate portion 21). It is deformed and fixed so as to surround it. In the crimped state, the front end portion of the electric wire 15 is led obliquely upward and rearward in parallel with the first barrel portion 22. That is, the 1st barrel part 22 and the electric wire 15 connected to this are arrange | positioned in the position higher than the 1st board part 21 (position spaced apart to the surface side with respect to the 1st board part 21).

  The first plate portion 21 is formed with a combining means for combining the first terminal piece 20 and the second terminal piece 40. As shown in FIGS. 6 and 8, the left front end portion and the right rear end portion of the first plate portion 21 are cantilevered obliquely upward to the upper left with a fold line in the front-rear direction as a fulcrum. The united cut and raised piece 25 in the form is formed. In addition, the left side edge of the first plate portion 21 is formed with a combined folded portion 26 that rises to the front surface side and extends its rising edge to the right, that is, substantially L-shaped ( (See FIG. 9). On the other hand, in the right front end portion of the first plate portion 21, a rectangular union escape hole 27 is formed in a form penetrating between the front and back surfaces of the first plate portion 21 (see FIG. 10). At the hole edge on the right side of the coalescing escape hole 27, there is formed a coalescing folded portion 26 that rises to the surface side and has its rising edge extended rightward, that is, substantially L-shaped. (See FIG. 10). The union cutting and raising piece 25 and the unfolding folding portion 26 described above constitute an union means.

  The first plate portion 21 is formed with holding means for holding the plurality of ground terminal fittings 10 in a state where they are assembled one above the other. In the substantially right half region of the first plate portion 21, in the vicinity of the rear side of the union escape hole 27, an assembly locking hole in a form cut out so as to penetrate between the front and back surfaces of the first plate portion 21 in a square shape. 28 is formed, and also in the left rear end portion of the first plate portion 21, an assembly locking hole 28 of the same form is formed. In addition, an assembly insertion hole 29 having a shape penetrating in a square shape is formed at a position near the front of the union cutting and raising piece 25 located at the right rear end and a position near the front of the assembly locking hole 28. Is formed. And the front edge part (front hole edge part) of these assembly insertion holes 29 is an assembly locking edge part 30.

  Further, it is between the folding part 26 for merging located at the right front end part and the right assembly fitting hole 29, and at the position near the right side of the right assembly locking hole 28. A cut-out portion 31 is formed. The assembling notch 31 penetrates between the front and back surfaces of the first plate portion 21 in a rectangular shape that is long in the front-rear direction and communicates with the right rear end portion of the union escape hole 27. Further, an assembling cutout portion 31 is also formed on the left edge of the first plate portion 21 by cutting out a rear end region (region behind the united folding portion 26).

  Furthermore, the 1st long hole 32 of the form penetrated between both front and back surfaces of the 1st board part 21 is formed in the 1st board part 21. As shown in FIG. The first elongated hole 32 is disposed in a substantially central region in the left-right direction, and has a substantially oval shape that is long in the front-rear direction as a whole. Three positioning projections 33 are formed at a constant pitch in the front-rear direction on both the left and right hole edges (long sides) extending in the front-rear direction of the first long hole 32. The positioning protrusion 33 protrudes in a chevron shape symmetrical with respect to the axis in the left-right direction, and the area between the adjacent positioning protrusions 33 has an arc shape.

  That is, at the hole edge of the first long hole 32, a pair of front and rear large arc portions 34 having a substantially C shape and two pairs of left and right small arc portions 35 positioned between the pair of large arc portions 34 are formed. Has been. The radius of curvature of each large arc portion 34 and the radius of curvature of the pair of small arc portions 35 facing left and right are the same, and the radius of the bolt 61 for attaching the ground terminal fitting 10 to the ground member 60. The dimensions are slightly larger than the above. The distance in the width direction between the positioning projections 33 that form a pair so as to correspond to the left and right is slightly smaller than the outer diameter of the bolt 61. Thereby, the bolt 61 penetrated through the first long hole 32 is a position where the front large arc portion 34 is fitted, a position where the bolt 61 is fitted to the rear large arc portion 34, or a small arc which forms a pair at the front position. It is positioned at any one of the four positions of the position that fits the portion 35 and the position that fits the pair of small arc portions 35 at the rear position.

  In addition, the large arc portion 34 and the small arc portion 35 have a virtual circle concentric and concentric with the large arc portion 34 and a virtual circle concentric and concentric with the paired small arc portion 35 in the front-rear direction. Are arranged at a constant pitch smaller than the diameter. The parallel pitch of these four virtual circles is the same as the displacement pitch between the grounding terminal fittings 10 when the plurality of grounding terminal fittings 10 are assembled so as to be shifted back and forth as described later. It has become.

  The second terminal piece 40 is manufactured by subjecting a metal plate material punched into a predetermined shape to bending, cutting and raising, and the like. The second terminal piece 40 has a second plate portion 41 having a rectangular shape that is long in the front-rear direction as a whole, And a second barrel portion 42 extending rearward from the rear end edge of the plate portion 41. The upper surface side of the second plate portion 41 is the front surface side, and the lower surface is the back surface side. The position of the second barrel portion 42 at the rear edge of the second plate portion 41 is shifted to the right (that is, the direction opposite to the left and right of the first barrel portion 22) from the center position in the width direction (left-right direction). Is in position.

  Similarly to the first barrel portion 22, the second barrel portion 42 has a long substrate portion 43 in the front-rear direction and a pair of crimping pieces that rise upward from the left and right side edges of the substrate portion 43 (on the surface side of the first plate portion 21). 44 and has an open barrel shape. The front end of the substrate portion 43 is connected to the rear edge of the second plate portion 41, but the substrate portion 43 is bent so as to occur obliquely above the second plate portion 41, that is, to the surface side of the second plate portion 41. It has become a form. That is, the second barrel portion 42 is configured to extend obliquely upward and rearward with respect to the second plate portion 41. The angle formed by the second plate portion 41 and the substrate portion 43 of the second barrel portion 42 is about 45 °.

  A front end portion of the electric wire 15 is connected to the second barrel portion 42 so as to be conductive by crimping. When crimping, an applicator having a well-known structure (not shown) is used, and a pair of caulking pieces 44 are attached to the electric wire 15 placed on the upper surface of the substrate portion 43 (the surface on the side continuous with the surface of the second plate portion 41). It is deformed and fixed so as to surround it. In the crimped state, the front end portion of the electric wire 15 is led obliquely upward and rearward in parallel with the second barrel portion 42. That is, the second barrel portion 42 and the electric wire 15 connected to the second barrel portion 42 are disposed at a position higher than the second plate portion 41 (a position separated from the first plate portion 21 toward the surface side).

  The second plate portion 41 is formed with a combining means for combining the first terminal piece 20 and the second terminal piece 40. As shown in FIG. 12 and FIG. 14, the left front end portion and the right rear end portion of the second plate portion 41 each have a combination locking in a form that penetrates between the front and back surfaces of the second plate portion 41 in a square shape. A hole 45 is formed. Further, a region slightly behind the center position in the front-rear direction of the left side edge of the second plate portion 41 (that is, a region corresponding to the combined folding portion 26 of the first plate portion 21) is a locking edge for combining. Part 46. On the other hand, in the right front end portion of the second plate portion 41, a united insertion hole 47 having a square shape is formed in a form penetrating between the front and back surfaces of the second plate portion 41 (see FIG. 15). The right edge of the coalescence insertion hole 47 is a coalescence locking edge 46. The above-described combining locking hole 45 and the combining locking edge 46 constitute a combining means.

  Further, the second plate portion 41 is formed with holding means for holding the plurality of ground terminal fittings 10 in a state where they are assembled one above the other. An assembly cut-and-raised piece 48 in the form of a right front end portion of the second plate portion 41 and in the vicinity of the left side of the coalescing insertion hole 47 extending in a cantilevered manner from the left-right fold. Is formed (see FIG. 16), and an assembling cut and raised piece 48 of the same form is also formed at a position near the rear end in the substantially left half region of the second plate portion 41 (see FIG. 14). reference).

  In addition, in the substantially right half region of the second plate portion 41, for assembly in a form that penetrates between the front and back surfaces of the second plate portion 41 in a square shape between the merge insertion hole 47 and the merge locking hole 45. An escape hole 49 is formed, and the rising edge rises forward from the hole edge on the front side of the assembly escape hole 49 (surface side of the second plate portion 41), that is, approximately L An assembly folding portion 50 having a letter shape is formed (see FIG. 15). On the other hand, also in the left half region of the second plate portion 41, the assembly of a form that penetrates between the front and back surfaces of the second plate portion 41 in a square shape between the coalescing locking hole 45 and the assembling cut and raised piece 48. A relief hole 49 is formed, and the rising edge rises forward from the hole edge on the front side of the assembly relief hole 49 (the surface side of the second plate portion 41), that is, extends substantially forward. An assembly folding portion 50 having an L shape is formed (see FIG. 14). The assembly cutting and raising piece 48 and the assembly folding portion 50 constitute a holding means.

  Furthermore, the 2nd long hole 51 of the form which penetrates between the front and back both surfaces of the 2nd board part 41 is formed in the 2nd board part 41. As shown in FIG. The second long hole 51 is disposed in a substantially central region in the left-right direction, and has a substantially oval shape that is long in the front-rear direction as a whole. Then, three positioning projections 33 are formed at a constant pitch in the front-rear direction on both the left and right hole edge portions (long side portions) extending in the front-rear direction of the second long hole 51. Since the form of the second long hole 51 is the same as that of the first long hole 32, the same reference numeral is given to the same portion, and detailed description thereof is omitted.

Next, an assembling procedure of the ground terminal fitting 10 according to the present embodiment and a usage form in which a plurality of ground terminal fittings 10 are combined will be described.
As shown in FIGS. 1 and 2, the ground terminal fitting 10 is configured by combining the first terminal piece 20 and the second terminal piece 40 so as to overlap each other. The electric wires 15 are connected to the first barrel portion 22 and the second barrel portion 42 by crimping. Thereafter, the second plate portion 41 is overlaid on the upper surface (front surface) of the first plate portion 21 so that the right-side combined folding portion 26 is inserted into the combined insertion hole 47 and the left-side combined locking is performed. The edge portion 46 is positioned in the vicinity of the right side of the left uniting folding portion 26. From this state, by bringing the front surface of the first plate portion 21 and the back surface of the second plate portion 41 close to each other, the union cutting and raising piece 25 is pressed on the back surface of the second plate portion 41 and elastically bent downward. The second plate portion 41 is slid to the left relative to the first plate portion 21.

  Then, the engagement locking edge portion 46 of the second plate portion 41 is fitted into the gap between the surface of the first plate portion 21 and the combination folding portion 26, thereby the surface of the first plate portion 21. And the rear surface of the second plate portion 41 are restricted from moving in the separating direction, and the union cutting and raising piece 25 is elastically restored upward (on the front surface side) to the left hole edge of the union locking hole 45. The first plate portion 21 and the second plate portion 41 are restrained from relative displacement in the left-right direction by the locking action. Further, when the union cutting and raising piece 25 is fitted into the union locking hole 45, the relative displacement in the front-rear direction between the first plate portion 21 and the second plate portion 41 is also restricted. Thus, the first terminal piece 20 and the second terminal piece 40 are combined to form the ground terminal fitting 10.

  In the combined state, as shown in FIG. 2, the outer peripheral edge of the first plate portion 21 and the outer peripheral edge of the second plate portion 41 are matched to form one plate-like attachment portion 11, and this plate-like attachment portion 11. From the rear end edge, the first barrel portion 22 and the second barrel portion 42 extend obliquely upward and rearward so as to be parallel to each other with a space left and right. Thereby, while the interference between the 1st barrel part 22 and the 2nd barrel part 42 is avoided, the electric wire 15 connected to the 1st barrel part 22, and the electric wire 15 connected to the 2nd barrel part 42, Interference is also avoided.

  It should be noted that when the first terminal piece 20 and the second terminal piece 40 are combined, the first barrel portion 22 and the second barrel portion 42 are displaced so as to approach each other in the left-right direction. Interference between the first barrel portion 22 and the second barrel portion 42 and interference between the electric wire 15 connected to the first barrel portion 22 and the electric wire 15 connected to the second barrel portion 42 are also avoided. .

  Further, the first long hole 32 and the second long hole 51 are in a state in which the hole edges (that is, the opening regions) are matched with each other, and the first long hole 32 and the second long hole 51 provide a plate-like attachment. One attachment hole 12 penetrating between the front and back surfaces of the portion 11 is formed. The opening shape, dimensions, and the like of the attachment hole 12 are the same as those of the first long hole 32 and the second long hole 51.

  Now, as a usage form of the grounding terminal fitting 10, one grounding terminal fitting 10 can be attached to the grounding member 60 independently. In this case, the plate-like attachment portion 11 is brought into contact with the upper surface of the ground member 60 (see FIG. 1), and the bolt 61 is passed through the attachment hole 12. At this time, any one arc portion is selected from the front large arc portion 34, the front small arc portion 35, the rear small arc portion 35, and the rear large arc portion 34, and the arc portion is bolted to the arc portion. 61 is fitted. As a result, the two or four positioning projections 33 are engaged with the bolt 61, and the relative movement in the front-rear direction between the bolt 61 and the plate-like mounting portion 11 is restricted. Is positioned. Thereafter, the plate-like mounting portion 11 is fixed to the ground member 60 by tightening the bolt 61.

  As another form of use of the grounding terminal fitting 10, two grounding terminal fittings 10 of the same type can be assembled one on top of the other and attached to the grounding member 60. In this case, the plate-like mounting portion 11 of the other ground terminal fitting 10 is overlaid on the surface (upper surface) of the plate-like mounting portion 11 of one ground terminal fitting 10. The plate-like mounting portion 11 on the side where the barrel portions 22 and 42 rise with respect to the plate-like mounting portion 11 is relatively forward with respect to the lower (back-side) plate-like mounting portion 11 (that is, the plate-like mounting portion). 11 is shifted to the direction opposite to the extending direction of the barrel portions 22 and 42 from 11). Thereby, interference with the lower barrel parts 22 and 42 and the upper barrel parts 22 and 42 is avoided.

  Further, the amount of deviation between the upper and lower plate-like attachment portions 11 is the same as the arrangement pitch of virtual circles (not shown) formed by the arc portions 34 and 35 of the attachment holes 12. Therefore, three virtual circles (front large arc portion 34 and two pairs of small arc portions 35) arranged on the front side in the lower mounting hole 12 and three virtual circles arranged on the rear side in the upper mounting hole 12 (two The pair of small arc portions 35 and the rear large arc portion 34) are aligned. Therefore, with respect to the penetration position of the bolt 61 in the mounting hole 12, any one virtual circle is selected from the three virtual circles (arc portions 22 and 42) that are aligned vertically (front and back), and the virtual circle is selected. What is necessary is just to arrange | position so that it may be concentric with a circle. Also in this case, the plate-like mounting portion 11 (the ground terminal fitting 10) is positioned with respect to the ground member 60 by the locking of the bolt 61 and the positioning protrusion 33.

  The two ground terminal fittings 10 are assembled as follows. The upper plate-shaped mounting portion 11 is superposed on the surface (upper surface) of the lower plate-shaped mounting portion 11 in a state where the upper plate-shaped mounting portion 11 is positioned slightly forward of the regular assembly position. At this time, the assembly folding portion 50 of the lower plate-shaped attachment portion 11 is in a state of penetrating the assembly insertion hole 29 of the upper plate-shaped attachment portion 11. From this state, the upper plate-like mounting portion 11 is slid rearward while being pressed against the lower plate-like mounting portion 11. At this time, the assembling cut and raised pieces 48 of the lower plate-like attachment portion 11 are elastically bent downward by pressing from the back surface (lower surface) of the upper plate-like attachment portion 11.

  When the upper and lower (front and back) plate-like attachment portions 11 are slid until they are in the proper assembly position, the upper plate-like shape is formed in the gap between the surface of the lower plate-like attachment portion 11 and the assembly folding portion 50. The mounting locking edge portion 30 of the mounting portion 11 is fitted, thereby restricting the displacement of the surface of the lower plate-shaped mounting portion 11 and the back surface of the upper plate-shaped mounting portion 11 in the separating direction. Is done. Further, the assembling cut and raised piece 48 of the lower plate-like mounting portion 11 is elastically restored to the upper side (surface side) and locked to the hole edge on the rear side of the upper mounting locking hole 28, By this locking action, the relative displacement in the front-rear direction between the lower (back surface side) plate-like attachment portion 11 and the upper (front surface side) plate-like attachment portion 11 is restricted. Further, when the assembling cut and raised piece 48 is fitted into the assembling locking hole 28, the relative displacement in the left-right direction of the two plate-like mounting portions 11 is also restricted.

  In addition, although the folding | returning part 26 for coalescence of the plate-shaped attachment part 11 located in the lower side protrudes upwards rather than the surface of the plate-shaped attachment part 11, the 1st which comprises the upper plate-shaped attachment part 11 is comprised. Since one plate portion 21 (that is, the lower plate portion) is formed with an assembling cutout portion 31 having a shape corresponding to the lower merged folding portion 26, the lower plate. The combined folding portion 26 of the plate-like mounting portion 11 does not interfere with the upper plate-like mounting portion 11, and the overlapping of the two plate-like mounting portions 11 is not hindered. By the above, the front and back both plate-shaped attachment parts 11 are hold | maintained in the state piled up and assembled | attached.

  Furthermore, as another form of use of the grounding terminal fitting 10, three identical types of grounding terminal fittings 10 can be stacked and combined and attached to the grounding member 60. In this case, similar to the case of assembling the two ground terminal fittings 10, the three plate-like attachment portions 11 may be shifted forward from the bottom and overlapped. Thereby, interference with the lower barrel parts 22 and 42 and the upper barrel parts 22 and 42 is avoided. In addition, two virtual circles (front large arc portion 34 and a pair of front small arc portions 35) arranged on the front side in the lower mounting hole 12 and two virtual circles in the center in the intermediate mounting hole 12 (two pairs) And the two virtual circles arranged on the rear side of the upper mounting hole 12 (the rear small arc portion 35 and the rear large arc portion 34) are aligned. Therefore, with respect to the penetration position of the bolt 61 in the mounting hole 12, one of the two virtual circles may be selected and arranged so as to be concentric with the virtual circle.

  Furthermore, as shown in FIG. 3 and FIG. 4, the ground terminal fitting 10 of the present embodiment can be attached to the ground member 60 by combining up to four ground terminal fittings 10 of the same type. In this case as well, the four plate-like attachment portions 11 are shifted from the bottom to the front by a constant pitch and overlapped to the surface side in the same manner as described above, so that the four pairs of barrel portions 22 and 42 are mutually connected in the front-rear direction. They are arranged at a constant pitch without interfering, and the electric wires 15 connected to these barrel portions 22 and 42 are also shifted parallel to each other without interfering with each other. Further, as shown in FIG. 4, when the assembly of the four grounding terminal fittings 10 is viewed from above, the four second barrel portions 42 and the four electric wires 15 located on the right side do not vary from side to side. Similarly, the four first barrel portions 22 and the four electric wires 15 located on the left side are also arranged so as to overlap in a straight line. That is, the space necessary for arranging the barrel portions 22 and 42 and the electric wire 15 does not require a large space in the width direction (left-right direction).

  Also, as shown in FIG. 4, the foremost virtual circle (front large arc portion 34) in the lowermost mounting hole 12 and the second virtual circle from the front in the second mounting hole 12 from the bottom (front side) Small arc portion 35), the third virtual circle from the front in the third mounting hole 12 from the bottom (the rear small circular arc portion 35), and the rearmost virtual circle in the uppermost mounting hole 12 (the rear side) And the large circular arc part 34) are aligned. That is, the region penetrating all the four plate-like attachment portions 11 is limited to the one virtual circle that is aligned with each other, and the circular arc portions 34 and 35 constitute the through hole 13 that forms one circle. The bolt 61 may be passed through the through hole 13.

  As described above, in the present embodiment, the barrel portions 22 and 42 are bent toward the surface side of the plate-like mounting portion 11, and are positioned on the surface side (upper side) of the stacked plate-like mounting portions 11. The plate-like mounting portion 11 to be displaced is shifted forward with respect to the plate-like mounting portion 11 located on the back surface side (lower side). Thereby, the barrel portions 22 and 42 of the ground-side terminal fitting 10 on the front surface side and the electric wires 15 connected to the barrel portions 22 and 42 are connected to the barrel portions 22 and 42 of the ground-side terminal fitting 10 on the back side and the barrel portion thereof. It is not necessary to interfere with the electric wire 15 connected to 22 and 42.

  Therefore, when the plurality of ground terminal fittings 10 are combined so that the plate-like mounting portions 11 overlap each other, the barrel portions 22 and 42 and the electric wires 15 connected to the barrel portions 22 and 42 are the same in the width direction. Even if it is arranged so as to be in a position (that is, parallel to the overlapping direction of the plate-like mounting portions 11), the interference of the barrel portions 22, 42 and the electric wires 15 causes the plate-like mounting portion 11 to There is no hindrance to the overlay. Thereby, it is realized that the wiring space of the electric wires 15 connected to the barrel portions 22 and 42 is reduced in the width direction parallel to the plate surface of the plate-like attachment portion 11.

  Further, since a pair of left and right barrel portions 22 and 42 are provided on one plate-like attachment portion 11, the ground terminal fitting 10 used for the same number of wires 15 (maximum of 8 in this embodiment) is used. The number can be halved.

  In addition, when two barrel portions are arranged side by side on a plate-shaped mounting portion made of a single component, the barrel portion for avoiding interference with the applicator for crimping and connecting the electric wire 15 to the barrel portion. It is necessary to increase the pitch between. On the other hand, in this embodiment, one grounding terminal fitting 10 is configured by combining two types of terminal pieces 20 and 40 in which the positions of the barrel portions 22 and 42 are different, and one plate-like mounting portion 11 is formed. The first plate portion 21 and the second plate portion 41 are constituted by two types of plate portions. Thereby, if the crimping | compression-bonding process of the electric wire 15 by an applicator is performed in the state which isolate | separated the terminal pieces 20 and 40, the width | variety of the barrel parts 2 and 42 in the state which united the two terminal pieces 20 and 40 The pitch in the direction can be reduced, and as a result, the ground terminal fitting 10 can be reduced in size in the width direction.

Further, as the usage form of the ground terminal fitting 10, the number of the plate-like attachment portions 11 to be overlapped is two or three, so that the alignment region of the attachment hole 12 on the front surface side and the attachment hole 12 on the back surface side is changed in the front-rear direction. It can be made into a long slot shape. In this case, in the front-rear direction, the degree of freedom of the mounting position of the ground terminal fitting 10 with respect to the ground member 60 is increased.
Further, when only one ground terminal fitting 10 is attached to the ground member 60 without overlapping the plate-like attachment portions 11, the degree of freedom of the attachment position of the ground terminal fitting 10 with respect to the ground member 60 is high in the front-rear direction. .

  Moreover, since the positioning protrusion 33 which can position the volt | bolt 61 which penetrated the attachment hole 12 in the front-back direction in the hole edge part extended in the front-back direction in the attachment hole 12 is formed, without overlapping the plate-shaped attachment part 11 When only one grounding terminal fitting 10 is attached to the grounding member 60, the bolt 61 is passed through the attachment hole 12, so that the grounding member 60 is not loose or misaligned in the front-rear direction with respect to the grounding member 60. Can be prevented.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above embodiment, the barrel portion is bent to the same side as the side from which the caulking piece extends from the substrate portion, but the barrel portion is directed to the side opposite to the side from which the caulking piece extends from the substrate portion. It may be bent.
(2) In the above embodiment, the holding means for holding the plate-like attachment parts in an overlapped state is formed on the plate-like attachment part, but as a means for holding the plate-like attachment parts in an overlapped state, Parts separate from the ground terminal fitting may be used.
(3) In the above-described embodiment, one type of grounding terminal fitting is overlapped and combined, but a plurality of types of grounding terminal fittings having the same barrel portion in the width direction and different in other shapes are stacked. Combination forms are also included.
(4) In the above embodiment, one earth terminal fitting is formed by combining two types of terminal pieces. However, the earth terminal fitting may be a single component, and three or more types of terminal pieces are combined. By doing so, one earth terminal fitting may be formed.
(5) In the above embodiment, the structure in which one earth terminal fitting has two barrel portions has been described. However, one earth terminal fitting has one barrel portion, and one earth terminal fitting has three. The form which has two or more barrel parts may be sufficient.
(6) In the above embodiment, one terminal piece has a structure having one barrel portion, but one terminal piece may have a plurality of barrel portions.
(7) In the above-described embodiment, the mounting holes through which the bolts penetrate when the plate-shaped mounting portions are shifted back and forth are long holes in the front-rear direction. However, a plurality of independent mounting holes are provided in one plate-shaped mounting portion. The mounting holes may be formed side by side. In this case, the pitch of the mounting holes is the same as the displacement pitch in the front-rear direction of the plate-shaped mounting portion.
(8) In the above embodiment, the positioning protrusion is formed at the hole edge in the front-rear direction of the mounting hole. However, the positioning protrusion may not be formed.
(9) In the above embodiment, the barrel portion is formed at an angle of about 45 ° with respect to the plate-like mounting portion, but the bending (rising) angle of the barrel portion with respect to the plate-like mounting portion is an oblique angle smaller than 45 ° Alternatively, an oblique angle larger than 45 ° may be used. Moreover, it is good also as a form which raised the barrel part at right angle with respect to the plate-shaped attachment part.
(10) Although the bolt is screwed into the ground member in the above embodiment, the bolt may be fixed in a state of protruding from the upper surface of the ground member. In this case, the ground terminal fitting can be fixed to the ground member by tightening the nut screwed into the bolt.

Side view of grounding terminal fitting of embodiment 1 Top view of grounding terminal fitting Side view showing a state where four grounding terminal fittings are stacked and combined Plan view showing the state where four grounding terminal fittings are stacked and combined Side view of the first terminal piece Top view of the first terminal piece Partially cutaway front view of the first terminal surface AA line sectional view of FIG. BB sectional view of FIG. CC sectional view of FIG. Side view of second terminal piece Plan view of second terminal piece Front view of partly cutout second terminal piece DD sectional view of FIG. EE sectional view of FIG. FF sectional view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Grounding terminal metal fitting 11 ... Plate-shaped attachment part 12 ... Mounting hole 15 ... Electric wire 20 ... 1st terminal piece 21 ... 1st board part 22 ... 1st barrel part 33 ... Positioning protrusion 40 ... 2nd terminal piece 41 ... 1st 2 plate part 42 ... 2nd barrel part 60 ... Earthing member 61 ... Bolt

Claims (6)

A plate-shaped mounting portion that is mounted to be conductive to the ground member;
It is a form extending from the rear end edge of the plate-like attachment portion, and is a grounding terminal fitting provided with a barrel portion to which an electric wire is connected,
In what can be combined in a form in which the plate-like mounting portion overlaps with respect to the other earth terminal fittings,
The ground terminal fitting is characterized in that the barrel portion is bent so as to be raised to the surface side with respect to the plate-like mounting portion.   The ground terminal fitting according to claim 1, wherein the plurality of barrel portions extend from a plurality of different positions in the width direction at a rear end edge of the plate-like attachment portion. It is configured by combining a plurality of types of terminal pieces including a plate portion and the barrel portion extending backward from the rear edge of the plate portion,
The position of the barrel portion in the width direction is different from each other for each type of the terminal piece,
The ground terminal fitting according to claim 2, wherein the plate-like mounting portion is configured by overlapping the plate portions. In the plate-like attachment portion, an attachment hole is formed through which a bolt for attaching the plate-like attachment portion to the ground member is passed,
The grounding terminal fitting according to any one of claims 1 to 3, wherein the mounting hole is opened in a long hole shape long in the front-rear direction.   5. A grounding terminal fitting according to claim 4, wherein a positioning projection capable of positioning the bolt penetrating through the mounting hole in the front-rear direction is formed at a hole edge portion extending in the front-rear direction of the mounting hole. . A grounding terminal fitting having a plate-like attachment portion that is attached so as to be conductive to the ground member, and a barrel portion that extends from the rear end edge of the plate-like attachment portion and to which an electric wire is connected. Is a grounding structure of a terminal fitting for grounding, in which a plurality of the plate-like mounting portions are combined so as to overlap each other,
The barrel portion is bent to rise to the surface side with respect to the plate-like attachment portion,
The grounding terminal fitting, wherein the plate-like attachment portion on the front surface side of the stacked plate-like attachment portions is arranged in a form shifted forward with respect to the plate-like attachment portion on the back surface side. Assembly structure.

Images