JP2016038978A - Earth terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow for smooth fracture of an earth terminal, even if the direction of a force acting on a wire varies.SOLUTION: An earth terminal includes a vehicle fixing part 1 where a hole 6 opens, and a wire connection 2 to be connected with a wire 3. When a stud bolt 7 penetrates the hole 6 and a nut 8 holds an area S to be held around the hole 6, the entirety can be fixed to the vehicle body B side. On the outside of the area S to be held, a frangible part D1, capable of separating the area S to be held and the residue side along a breaking route, is formed. The breaking routes D1-1, D1-2 of the frangible part D1 are extending in a plurality of directions.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a ground terminal.

  In general, an earth terminal mounted on an automobile includes an electric wire connecting portion connected to an electric wire for earthing and a vehicle fixing portion fixed to a vehicle body by a bolt.

  In recent years, there has been a demand for recycling of the electric wire for grounding when the automobile is dismantled. Therefore, it is desired to easily separate the electric wire for grounding from the ground terminal. For this reason, several ground terminals have been proposed in which an easily breakable part is set and the electric wire connecting part side can be separated from the vehicle fixing part side. As an example, the thing of the following patent document 1 can be mentioned.

JP-A-9-92360

  In the ground terminal disclosed in the above publication, a break groove as an easily breakable portion is formed along the width direction (direction orthogonal to the extending direction of the ground wire) at the boundary between the vehicle fixing portion and the wire connecting portion. Is formed. With such a configuration, if a force that causes the grounding wire to be pulled straight up from the vehicle body is applied, the grounding terminal can be bent along the breaking groove and smoothly broken.

  However, when the peeling force with respect to the grounding wire acts obliquely upward, the grounding terminal cannot be bent smoothly along the breaking groove, and as a result, the grounding terminal may not be broken. .

  The present invention has been completed based on the above circumstances, and provides a ground terminal that can be smoothly broken even when the direction of the force acting on the grounding wire varies. For the purpose.

The ground terminal of the present invention is a ground terminal that is formed of a conductive metal plate and can be fixed to the vehicle body side with a fastener,
A vehicle fixing portion having a hole opening;
A wire connection portion connected to the wire,
The fastener is passed through the hole and the holding part of the fastener presses the pressed area around the hole so that the whole can be fixed to the vehicle body side. An easily breakable portion that can separate the region side and the remaining side along the break path is formed to extend, and the break path of the easily breakable portion extends along a plurality of directions.

  Here, “the fracture path extends in a plurality of directions” is not limited to the form in which the fracture paths are connected to a plurality of linear paths in different directions, but components in different directions are combined. It is a concept that includes a curved shape as a whole.

According to the present invention, when the ground terminal is fixed to the vehicle body by the fastener, if the wire is to be strongly peeled away in the direction of separating from the vehicle body, the ground terminal is along the fracture path of the easily breakable portion. It breaks and is separated into a pressed area side and a remaining side. In the case of the present invention, since the break path of the easily breakable portion extends along a plurality of directions, even if the direction of the force acting on the electric wire varies, the break path corresponding to the force acting direction is broken. (Separated). In other words, since the strength of the ground terminal is reduced at once due to the separation of a part of the easily breakable part, it is assumed that the extending direction of the remaining break path of the easily breakable part does not correspond to the direction of the force acting on the electric wire. However, the entire easily breakable part including the remaining part can be broken.
Thus, according to the present invention, the ground terminal can be smoothly broken even when the direction of the force applied to the electric wire varies.

FIG. 3 is a plan view of the ground terminal according to the first embodiment. Side sectional view showing the situation where it is connected to the earth point Side sectional view showing the state when force in the peeling direction is applied to the electric wire The top view of the ground terminal concerning Embodiment 2 The top view of the ground terminal concerning Embodiment 3 The top view of the ground terminal concerning Embodiment 4 The top view of the ground terminal concerning Embodiment 5 The top view of the ground terminal concerning Embodiment 6 The top view of the grounding terminal concerning Embodiment 7 Plan view of grounding terminal according to actual embodiment 8 FIG. 9 is a plan view of a ground terminal according to the ninth embodiment. Plan view of ground terminal according to reference form

A preferred embodiment of the present invention will be described.
(1) In the ground terminal of the present invention, the electric wire connecting portion is formed in a stepped shape via a bent edge portion in a direction away from the vehicle body side with respect to the vehicle fixing portion, and the easily breakable portion It is preferable that at least one end is included in the bent edge.
According to such a configuration, when a force (peeling force) in a direction away from the vehicle body acts on the electric wire, stress concentrates on the bent edge portion of the ground terminal. Since at least one end portion of the easily breakable portion is included in the bent edge portion, when the above-described peeling force is applied, at least one end portion of the easily breakable portion is cracked to cause the ground terminal to break. It can be a trigger.
(2) In addition, the easily breakable portion is formed in a groove shape extending from one side edge of the plate material to the other side edge, and the other end of the easily breakable portion in the longitudinal direction. It may be located in front of the side edge.
According to such a configuration, the easily breakable portion is not formed over the entire length range between both side edges of the ground terminal, but is formed so as to leave meat at least at one end portion. Such a configuration is effective for securing the necessary strength of the ground terminal and also for securing the path of the ground current.

  Next, an embodiment in which the ground terminal of the present invention is embodied will be described with reference to the drawings.

<Embodiment 1>
1 to 3 show Embodiment 1 of the present invention. The ground terminal T1 shown in FIG. 1 is formed by bending a conductive metal plate with a press. The ground terminal T1 of the first embodiment has another ground terminal (not shown) that is paired with the ground terminal T1. The ground terminal T1 is used in a state in which holes 6 described later are aligned with each other.

  The illustrated ground terminal T <b> 1 is integrally formed of a vehicle fixing portion 1 fixed to the vehicle body B side and a wire connecting portion 2 connected to the electric wire 3. The electric wire connection part 2 has a wire barrel part 2A and an insulation barrel part 2B arranged at the rear part thereof. The wire barrel portion 2A has a pair of barrel pieces 2A-1 standing on both sides of the wire connection portion 2, and the two wire segments 2A-1 are caulked to the core wire exposed at the tip of the wire 3 so that the wire 3 side Connection with is possible. Similarly, the insulation barrel portion 2B has a pair of barrel pieces 2B-1 standing on both sides of the wire connection portion 2, and the electric wire 3 by caulking both barrel pieces 2B-1 to the covering portion of the electric wire 3. Connection with the side is possible.

  A connecting piece 4 for connection to the vehicle fixing portion 1 extends from the electric wire connecting portion 2. On one side edge of the ground terminal T1, a standing edge 5 is continuously formed over the entire length range of the connecting piece 4 and the vehicle fixing portion 1. The standing edge 5 is bent at a substantially right angle to the surface side and serves to reinforce the ground terminal T1.

  The vehicle fixing portion 1 is placed on the surface near the ground point set in the vehicle body B. The vehicle fixing portion 1 is formed in a substantially rectangular flat plate shape and is formed so as to extend to the side opposite to the side where the standing edge 5 is formed. A circular hole 6 is opened at the center of the vehicle fixing portion 1. The center of the hole 6 is shifted from the central axis in the extending direction of the electric wire 3 (the axis indicated by P in FIG. 1) to the side opposite to the standing edge 5. As shown in FIG. 2, a stud bolt 7 is erected at a site serving as a ground point in the vehicle body B. The hole 6 can be inserted into the stud bolt 7, and can be fixed to the vehicle body B by being tightened with a nut 8. At this time, a region where the lower surface of the nut 8 abuts on the surface of the vehicle fixing portion 1 is a pressed region S (an inner region surrounded by an outer edge of the nut 8 indicated by an imaginary line in FIG. 1).

  As shown in FIG. 1, the boundary edge between the vehicle fixing portion 1 and the connecting piece 4 is a bent edge portion 9 along the width direction. As shown in FIG. 2, the connecting piece 4 side is bent obliquely upward at the bent edge portion 9, and the rear side from the front end of the wire barrel portion 2A is formed horizontally. As a result, a step is formed such that the electric wire connecting portion 2 side and the vehicle fixing portion 1 are separated from the body panel B with the bent edge portion 9 as a boundary. This step is to prevent the heat-shrinkable tube 10 attached after the electric wire 3 is connected to the ground terminal T1 from interfering with the vehicle body B. The heat-shrinkable tube 10 is deformed so that the inner diameter is contracted by being heated after being inserted through the connection portion with the electric wire 3 at the ground terminal T1. Thereby, it is possible to prevent water from entering from the end of the heat-shrinkable tube 10, thereby preventing water from entering through the inside of the coating of the electric wire 3.

  As shown in FIG. 1, an easily destructible portion D <b> 1 is provided outside the pressed region S of the ground terminal T <b> 1 and at a boundary portion between the vehicle fixing portion 1 and the connecting piece 4. As shown in FIGS. 2 and 3, the easily breakable portion D <b> 1 of the first embodiment is in the form of a concave groove formed with a uniform depth on both the front and back surfaces. The easily breakable portion D1 is formed over the entire width of the ground terminal T1 including the standing edge 5, and both end portions are made to coincide with the bent edge portion 9 described above. The easy-to-break portion D1 has a shape in which the central portion in the length direction is curved in an arc shape that protrudes toward the vehicle fixing portion 1 side. In other words, the breakage path of the easily breakable part D1 is roughly divided into two directions (the first breakage path D1-1 and the second breakage path D1-2) in which directions intersecting with the extending direction of the electric wires are opposite to each other. ).

  The operation of the first embodiment configured as described above will be described. In connecting the ground terminal T1 to the ground point of the vehicle body B, the heat shrinkable tube 10 is inserted so as to cover the entire wire connecting portion 2 and the covering of the wire 3, and then heated. Thereby, the heat shrinkable tube 10 is entirely contracted to prevent water from entering from both ends.

  Next, when the heat-shrinkable tube 10 is similarly attached to the ground terminal T1 having a symmetrical shape with which the ground terminal is to be combined, it is inserted into the stud bolt 7 with the holes 6 aligned with each other (note that 2 and 3 show a case where only one ground terminal T1 is inserted into the stud bolt 7. Then, the nut 8 is fastened to the stud bolt 7 to fix the ground terminal T1 to the vehicle body B.

  On the other hand, when the electric wire 3 connected to the ground terminal T <b> 1 is removed from the vehicle body B, a force is strongly applied to the electric wire 3 in the direction of peeling from the vehicle body B. Then, as shown in FIG. 3, since the ground terminal T <b> 1 bends with the bent edge portion 9 as a fulcrum, bending stress acts on the bent edge portion 9. As described above, since both ends of the easily breakable portion D1 coincide with the bent edge portion 9, the start of bending with the bent edge portion 9 as a fulcrum starts breakage from both ends of the easily breakable portion D1, and further bending Progresses, the entire easy-to-break portion D1 is broken. Thereby, only the vehicle fixing portion 1 side of the ground terminal T1 remains in the vehicle body B, and the remaining portion is removed together with the electric wire 3.

  By the way, in this Embodiment 1, since the fracture | rupture paths D1-1 and D1-2 of the easily breakable part D are extended and formed in two different directions in general, the peeling direction added to the electric wire 3 is FIG. Even if the direction is different, such as the Y1 direction or Y2 direction shown in Fig. 2, the outer end of the fracture path on the side corresponding to the crack is cracked. The easily breakable portion D1 can be smoothly broken. Further, in the ground terminal T1 of the present embodiment, the bending stress of the ground terminal T1 is automatically applied to both end portions of the easily breakable portion D1 using a step provided to avoid interference between the heat shrinkable tube 10 and the vehicle body B. I try to concentrate and act. Therefore, the easily breakable portion D1 can be smoothly broken.

<Embodiment 2>
FIG. 4 shows Embodiment 2 of the present invention. In the ground terminal T2 according to the second embodiment, a first breaking path D2-1 extending in a direction in which the breaking path of the easily breakable portion D2 intersects the central axis P in the extending direction of the electric wire, and the first breaking path. It is formed from a second breaking path D2-2 that is continuous with D2-1 and extends along the central axis P in the direction in which the electric wire extends.

  One end of the first destruction path D <b> 2-1 is located at a portion where one end in the width direction of the connecting piece 4 is continuous with the vehicle fixing portion 1. The first destruction path D2-1 extends in a substantially straight line obliquely toward the other end side in the width direction so as to enter the inside 1 of the vehicle fixing portion with this point as the starting end. The terminal end of the first breaking path D2-1 is a position that intersects the central axis P in the extending direction of the electric wire 3. The second breaking path D2-2 extends linearly along the central axis P with respect to the extending direction of the electric wire 3 to the vicinity of the front edge of the vehicle fixing portion 1. The front end of the second destruction path D2-2 is held at a position retracted from the front edge of the vehicle fixing portion 1 to the inside.

  In addition, unlike the thing of 1st Embodiment, the earthing terminal T1 of this Embodiment 2 does not have the bending edge part 9 (it does not prevent forming the bending edge part 9). Therefore, the electric wire connection part 2 side and the bottom face of the vehicle fixing part 1 side are formed substantially flush with each other. The other configurations are the same as those of the ground terminal T1 of the first embodiment, such that the easily breakable portion D2 is formed on both the front and back surfaces of the ground terminal T2.

  Even in the second embodiment configured as described above, for example, when the wire 3 is pulled in the Z direction (the direction upward with respect to the paper surface in FIG. 4), the first fracture path D2-1 is broken. After that, the second fracture path D2-2 is also broken by using this as a trigger. On the other hand, when pulled in the X direction (leftward direction in FIG. 4) with respect to the electric wire 3, the second breaking path D2-2 is easily broken, and thereafter, the first breaking path D2-1 is also broken. Is done. Thus, even in the second embodiment, the easily breakable portion D2 can be smoothly broken even when the electric wire is pulled in multiple directions.

  In the second embodiment, the front end of the second destruction path D2-2 is fastened in front of the front end edge of the vehicle fixing portion 1. Accordingly, since the easily breakable portion is not formed, the cross-sectional area of the ground terminal T2 is not reduced at that portion, which can contribute to securing the strength of the ground terminal T2. In addition, since an increase in resistance with respect to the ground current is reduced, it is possible to obtain an effect that the ground current can be easily passed.

<Embodiment 3>
FIG. 5 shows Embodiment 3 of the present invention. Also in the ground terminal T3 according to the third embodiment, the breakage path of the easily breakable portion is the same as in the second embodiment, and the first breakage path D3-1 extending in the direction intersecting the central axis P in the extending direction of the electric wire and The second breakage path D3-2 that is continuous with the first breakage path D3-1 and extends along the direction in which the electric wire extends and has a constant pitch over the entire length range of the easily breakable part D3. Thus, an auxiliary groove 11 that is orthogonal to the first and second fracture paths and projects in both directions in the width direction is formed. Since other configurations are the same as those of the first and second embodiments, the same reference numerals are given in the drawings, and redundant descriptions are omitted.

  Even in the third embodiment configured as described above, similarly to the second embodiment, the easily breakable portion D3 can be smoothly broken even when the pulling force is applied to the electric wire 3 from either the Z direction or the X direction. Can be achieved.

<Embodiment 4>
FIG. 6 shows Embodiment 4 of the present invention. The ground terminal T4 according to the fourth embodiment is a form in which a third break path is added to the easily breakable portion D2 of the ground terminal T2 according to the second embodiment. That is, in the ground terminal according to the fourth embodiment, the first breaking path D4-1 extending in a direction in which the breaking path of the easily breakable portion D4 intersects the central axis P in the extending direction of the electric wire, and this first breaking Branches from the middle of the route D4-1 and branches from the connection position of the second destruction route D4-2 that extends along the extending direction of the electric wire 3, and the first destruction route D4-1 and the second destruction route D4-2 A third breakdown path D4-3 that reaches the side edge (including the standing edge) of the ground terminal T4 along the extending direction of the first breakdown path D4-1.

Since other configurations are the same as those of the second embodiment, the basic operational effects are also the same as those of the second embodiment. However, by adding the third breakdown path D4-3, the first and third breakdown paths D4-1 and D4-3 become one continuous linear path, and both ends in the length direction thereof are ground terminals T4. Therefore, the break when the electric wire 3 is pulled in the Z direction can be made easier than in the case of the second embodiment.
The first to third destruction paths D4-1 to D4-3 may be formed in a curved shape.

<Embodiment 5>
FIG. 7 shows Embodiment 5 of the present invention. The easily destructible portion D5 of the ground terminal T5 according to the fifth embodiment has a position where one end in the width direction of the connecting piece 4 is continuous with the vehicle fixing portion 1 as one end. The easily breakable portion D5 extends obliquely and linearly from the end portion into the vehicle fixing portion and extends to a position reaching the standing edge 5 (may extend to a position including the standing edge 5). .) That is, the easily breakable part D5 according to the fifth embodiment has a component (P1 component shown in FIG. 7) in the direction orthogonal to the central axis P in the extending direction of the electric wire 3 and the center in the extending direction of the electric wire 3 in the extending direction. This is a form in which components in the direction along the axis P (P2 component shown in FIG. 7) are combined. However, the easily breakable portion D5 shown in the drawing is formed at an angle of 45 degrees or less with respect to the extending direction of the electric wire 3.
Other configurations are the same as those in each of the above-described embodiments, and thus the same operational effects can be exhibited.

<Embodiment 6>
FIG. 8 shows Embodiment 6 of the present invention. The easily breakable part D6 of the ground terminal T6 according to the sixth embodiment abolishes the middle part of the breakable path of the easily breakable part D1 according to the first embodiment, leaving only the appropriate length range of both ends. Is formed. Also in the easily breakable part D6 having such a configuration, one destruction path is the first destruction path D6-1, and the other destruction path is the second destruction path D6-2. The outer end sides of the first and second destruction paths D6-1 and D6-2 both reach the outer edge of the ground terminal T6, and from there, the inclination angles are opposite to each other with respect to the central axis P in the extending direction of the electric wire 3. It extends to intersect. However, both the first and second destruction paths D6-1 and D6-2 have a length that does not intersect the central axis in the extending direction of the electric wire 3.

According to the sixth embodiment configured as described above, when the tensile force from the Y1 and Y2 directions as shown in FIG. 1 is applied to the electric wire 3, the first and second breaking paths D6-1, Any of D6-2 triggers the breakage, and finally the ground terminal T6 can be separated.
Other configurations are the same as those of the other embodiments, and the same operational effects can be exhibited.

<Embodiment 7>
FIG. 9 shows Embodiment 7 of the present invention. In the seventh embodiment, a reinforcing bead 12 is added to the ground terminal T6 according to the sixth embodiment. The reinforcing bead 12 is formed to extend along the central axis P in the extending direction of the electric wire 3 between the first and second breaking paths D7-1 and D7-2 in the easily breakable part D7, and the surface side is formed. It is formed to be concave. The front end portion of the bead 12 is positioned so as to intersect with the extension lines of the first and second paths D7-1 and D7-2, and the whole is along the central axis P in the extending direction of the electric wire 3 while being on the electric wire connecting portion 2 side. It is formed to extend in a vertically long direction.

Embodiment 7 configured in this manner can reinforce the connection piece 4 portion of the ground terminal T7 to the extent that it does not hinder the breaking operation of the easily breakable portion D7.
Other configurations are the same as those of the sixth embodiment, and the same operational effects can be exhibited.

<Embodiment 8>
FIG. 10 shows an eighth embodiment of the present invention. The easily breakable portion D2 of the ground terminal T8 according to the second embodiment is configured by a groove continuous over the entire length. However, in the easily breakable portion D8 of the eighth embodiment, a plurality of through holes each having a circular shape are provided. The form is arranged intermittently at a constant pitch. The line formed by each through hole is substantially the same as the line of the easily breakable part D2 in the second embodiment.

  In the easily breakable part D8 according to the eighth embodiment, the lines formed by the through holes constitute the first break path D8-1 and the second break path D8-2 as in the second embodiment. One end of the line constituting the first destruction path D <b> 8-1 is located at a portion where one end of the connecting piece 4 in the width direction continues to the vehicle fixing portion 1. However, the through-hole C8 formed at this position is not a complete circle but a circle with substantially half missing so as to open outward. The line constituting the first destruction path D8-1 extends in a substantially straight line obliquely toward the other end in the width direction so as to enter the vehicle fixing portion 1 with this point as the starting end. The end of the line constituting the first breaking path D8-1 is a position that intersects the central axis P in the extending direction of the electric wire 3. The line constituting the second fracture path D8-2 extends linearly along the central axis P with respect to the extending direction of the electric wire 3 to the vicinity of the front end edge of the vehicle fixing portion 1. The through hole located at the front end among the through holes constituting the second fracture path D8-2 is arranged at a position retracted from the front edge of the vehicle fixing portion 1.

In the eighth embodiment configured as described above, the easily breakable portion D8 is configured by arranging a plurality of through holes at a constant pitch, but only the C8 located at the tail end of each through hole is opened to the outside. Therefore, it is easy to trigger the fracture of the first fracture path D8-1. Therefore, it is possible to realize the ease of breaking while the easily breakable portion D8 extends intermittently.
Other configurations are the same as those of the second embodiment, and the same operational effects can be exhibited.

<Ninth Embodiment>
FIG. 11 shows Embodiment 9 of the present invention. The ground terminal T9 according to the ninth embodiment is obtained by changing the shape of each through hole of the eighth embodiment to a substantially square shape. The other configuration is the same as that of the eighth embodiment, such that only the C9 located at the tail end of each through-hole has a configuration in which substantially half is lost and opened to the outside. It can be demonstrated.

<Reference form>
FIG. 12 shows a reference embodiment of the present invention. The easily breakable portion D of the ground terminal T according to the reference form is formed by a slit extending in a penetrating state from the vehicle fixing portion 1 to the connecting piece 4. The easily breakable portion D is one of the first breakage route D-1 extending along the central axis P in the extending direction of the electric wire 3 and extending long in the vehicle fixing portion side 1 and the central axis P in the extending direction of the electric wire 3. It consists of a second fracture path D-2 that continues in a substantially parallel manner (to the left in the figure) and partially enters the connecting piece 4 side. As shown in FIG. 12, the whole easily breakable portion D is formed so as to follow the shape of the standing edge 5 in plan view. Neither end part of the front and rear of the easily breakable part D reaches the outer edge of the ground terminal T, and meat is left between the outer edges.

  In the reference embodiment of the present invention configured as described above, the torsional rigidity of the entire ground terminal T is lowered by the easily breakable portion D. For this reason, for example, when the electric wire is pulled in the X direction as shown in FIG. 4, the ground terminal T is twisted along the easily breakable portion D. Thereby, the crack which reaches the front edge of the vehicle fixing | fixed part 1 enters in the front end of the 1st destruction path | route D-1, and the side edge of the illustration left side of the width direction of the connection piece 4 in the rear end of the 2nd destruction path | route D-2. As a result of the occurrence of such cracks, the entire easily breakable portion D is broken.

  Other configurations are the same as those of the above-described embodiments.

<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-described embodiment, the type ground terminals that are symmetrical to each other and can be combined with each other are shown. However, a ground terminal of a type that is connected to a ground point without being combined may be used. For example, it may be a ground terminal in which a hole is formed on the central axis in the extending direction of the electric wire.
(2) In the above embodiment, the case where the easily breakable portion is configured by two fracture paths has been described. However, the easily breakable section may be configured by three or more fracture paths.
(3) In the eighth and ninth embodiments, the case where each through hole is circular or square is shown, but various forms such as an elliptical shape, a long hole shape, and a rectangular shape are conceivable.

DESCRIPTION OF SYMBOLS 1 ... Vehicle fixing | fixed part 2 ... Electric wire connection part 3 ... Electric wire 6 ... Hole 7 ... Stud bolt (fastener)
8 ... Nut (pressing part of fastener)
DESCRIPTION OF SYMBOLS 9 ... Bending edge part 10 ... Heat-shrinkable tube T1-T9 ... Earth terminal D1-D9 ... Easily destructible part D1-1-D9-1 ... 1st destruction path | route D1-2-D9-2 ... 2nd destruction path | route S ... Covered Holding area

Claims (3)

An earth terminal formed of a conductive metal plate and fixable to the vehicle body side with a fastener,
A vehicle fixing portion having a hole opening;
A wire connection portion connected to the wire,
The fastener is passed through the hole, and the pressing part of the fastener presses the pressed region around the hole so that the whole can be fixed to the vehicle body side. On the outside, an easily breakable portion is formed extending to be separable along the fracture path from the pressed region side and the remaining side,
The ground terminal, wherein the break path of the easily breakable portion extends along a plurality of directions.   The wire connecting portion is formed in a stepped shape via a bent edge in a direction away from the vehicle body side with respect to the vehicle fixing portion, and at least one end of the easily breakable portion is included in the bent edge. The ground terminal according to claim 1, wherein the ground terminal is provided.   The easily breakable portion is formed in a groove shape extending from one side edge of the plate material toward the other side edge, and is located in front of the other side edge of the end portion in the longitudinal direction of the easily breakable portion. The ground terminal according to claim 1, wherein the ground terminal is located.

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