JP2001189181A - Terminal connection structure of shielded wire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a terminal connection structure of a shielded wire which is capable of improving workability and shielding property. SOLUTION: Two shielded wires 10, 10, in which conductor ring 15 are engaged to exposed shielding layers 13 from outer periphery, are inserted into an inner portion from insert hole H of a body B. The conductor ring 15 are fitted between holding pieces 22, 22 of a bracket 20 and then firmly fixed between the bracket 20 and abutment plate P by a screw engagement of a bolt T. Therefore, the shield layers 13 of each shield wire 10 are grounded to a fixed plate P of the body B through the conductor ring 15. The exposed shield layers 13 are released from a sheath 14, so that cumbersome work as tying can be avoided, therefore, workability can be improved as well as a size of inner parts 11 exposed from the shielding layers 13 can be suppressed shortly. Accordingly, good shielding characteristics can be ensured.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting a terminal of a shield layer of a shielded electric wire to a conductive fixing portion such as a body.

[0002]

2. Description of the Related Art FIG. 11 shows a structure for grounding a shield layer of a shielded electric wire to a body of an automobile. In this device, the shield layer 3 is exposed over a long dimension at the end of the shielded electric wire 1,
Once loosened and bundled, ground connection 3A
Is formed, and a ground terminal 4 is provided at the tip of the ground connection portion 3A.
And the ground terminal 4 is connected to the body by bolting. As a terminal structure of this kind of shielded electric wire, there is one disclosed in Japanese Utility Model Laid-Open No. 4-49469.

[0003]

However, in the conventional device, the ground connection portion 3 for crimping the ground terminal 4 is used.
When forming A, it is necessary to loosen the shield layer 3 once and bundle it again as described above, so that there is a problem that it takes time and effort. In addition, the ground connection portion 3A needs to have a relatively long dimension in order to secure a length for crimping the ground terminal 4 and to facilitate the installation of the ground terminal 4, for example. Since the exposed amount of the inner conductor 2 is increased due to the stripping, there is a disadvantage that the shielding performance is reduced. SUMMARY OF THE INVENTION The present invention has been completed based on the above circumstances, and an object of the present invention is to provide a shielded wire terminal connection structure capable of improving workability and shielding performance.

[0004]

According to a first aspect of the present invention, there is provided a structure for connecting a terminal of a shield layer of a shielded electric wire to a conductive fixing portion such as a body. A conductive cylinder is fitted to the outer periphery of the terminal of the shield layer, which is exposed by stripping the covering of the electric wire, and is attached to the cylinder and fixed to the conductive fixing portion by a fastener. It is characterized by the provision of a sex bracket.

According to a second aspect of the present invention, in the first aspect, the bracket has a plate-like shape capable of contacting the cylindrical body, and the bracket is held by the fastener while the cylindrical body is sandwiched. The bracket is fixed to the conductive fixing portion, so that the bracket is held in a connected state with respect to the cylindrical body. A third aspect of the present invention is characterized in that, in the second aspect, the bracket is formed with a holding groove for fitting and holding the fitting portion of the shielded electric wire with the fitting portion of the cylindrical body.

[0006] The invention of claim 4 is the invention of claim 2 or claim 3.
In the thing described in the above, the conductive fixing portion is formed in a plate shape rising from the substrate, the bracket,
It is characterized in that a temporary locking portion is formed to slidably lock the conductive fixing portion along a side edge thereof. According to a fifth aspect of the present invention, in the third aspect, an end of the holding groove in the bracket is provided with:
It is characterized in that a winding portion that can be wound around the outer periphery of the cylindrical body is formed to extend.

According to a sixth aspect of the present invention, in the first aspect, the bracket is constituted by a pair of halves, and the two halves are fastened to each other by another fastener. It is characterized in that the tubular body is sandwiched by the body. The invention according to claim 7 is the device according to claim 6, wherein the half body includes a holding groove into which substantially one side of the cylindrical body is fitted, and an attachment portion attachable to the conductive fixing portion by the fastener. It is characterized in that the bracket is formed by arranging two half bodies having the same shape to face each other.

An eighth aspect of the present invention is characterized in that, in the sixth aspect, the pair of halves are integrally formed via a foldable connecting portion. According to a ninth aspect of the present invention, in the device according to any one of the first to eighth aspects, the bracket holds a plurality of the shielded wires side by side, and a position between the adjacent shielded wires. It is characterized in that it can be fastened by fasteners.

[0009]

According to the first aspect of the present invention, a cylindrical body is fitted around the exposed outer periphery of the shield layer, and a bracket attached to the cylindrical body is a fastener. Is fixed to the conductive fixing portion. The end of the shield layer is connected to the conductive fixing part via the bracket. Since the troublesome work of unraveling and bundling the shield layers as in the related art can be dispensed with, the workability can be improved. In addition, since the structure is such that the cylindrical body is fitted to the end of the shield layer, the size of the shield layer removed from the outer periphery of the inner conductor, in other words, the size of the exposed inner conductor can be reduced as compared with the conventional case. Therefore, good shield characteristics can be secured.

<Invention of Claim 2> Since the bracket is attached to the cylindrical body and the bracket is fixed to the conductive fixing portion by jointly fastening one fastener, the number of parts can be reduced, and the assembling work can be performed. Is also simplified. <Invention of claim 3> Since the fitting portion of the tubular body in the shielded electric wire is fitted in the holding groove and held by the bracket,
The operation of fixing the bracket to the conductive fixing portion can be performed efficiently.

<Invention of claim 4> The bracket can be temporarily held while being slid with respect to the conductive fixing portion, and is convenient when the mounting holes of the fasteners provided on the bracket and the conductive fixing portion are aligned. Becomes <Invention of claim 5> After the fitting portion of the cylindrical body in the shielded electric wire is fitted in the holding groove, the winding portion is wound,
In this state, the bracket is fixed to the conductive fixing portion. Since the shielded electric wire is more reliably held on the bracket, the mounting work of the bracket becomes easier, and the contact area between the bracket and the cylinder can be increased, so that the electrical connection performance is improved.

<Invention of claim 6> A bracket is fixed to a cylindrical body in advance so as to be sandwiched between a pair of half bodies,
After that, since the bracket is fixed to the conductive fixing portion, the conduction between the shield layer and the conductive fixing portion can be more reliably achieved. <Invention of Claim 7> The tubular body is sandwiched by the sandwiching portions of the pair of half bodies, and one of the attachment portions is fixed to the conduction fixing portion. Since the pair of halves have the same shape, the manufacturing cost is reduced and the economy is excellent.

<Invention of Claim 8> Since the pair of halves are formed of one member, the number of parts is reduced. <Invention of claim 9> A contact force can be almost uniformly applied from the bracket to each cylindrical body of the shielded electric wire, and stable electric contact can be obtained in each shield layer.

[0014]

Embodiments of the present invention will be described below with reference to the accompanying drawings. <First Embodiment> FIGS. 1 to 4 show a first embodiment of the present invention.
It will be explained by. In this embodiment, the shielded electric wire 1
The case where the shield layer 13 of the terminal 0 is grounded to the body B of the automobile is illustrated. As shown in FIG. 2, the shielded electric wire 10 includes an inner conductor 11 composed of a core wire in which a plurality of fine metal wires are bundled, an insulating layer 12, a shield layer 13 composed of a braided thin metal wire, and a rubber sheath, as shown in FIG. 14 are sequentially arranged. At the end of the shielded wire 10, the inner conductor 11, the insulating layer 12, and the shield layer 13 are hierarchically exposed. A terminal fitting (not shown) is connected to a tip of the inner conductor 11 so as to be connected to a device main body (not shown) installed inside the body B.

Next, the structure of a portion connecting the shield layer 13 to the body B will be described. Figure 1 shows the body B
As shown in FIG. 5, a window hole H through which two shielded electric wires can be inserted is formed, and a horizontally long flat plate-shaped fixing plate P stands up from the opening edge along the insertion direction of the shielded electric wire 10. It is formed so as to be bent. A screw hole A into which a bolt T to be described later is screwed is formed in the center of the fixing plate P.

On the other hand, a conductive ring 15 is fitted to the exposed shield layer 13 of the shielded electric wire 10. As shown in FIG. 2, the conduction ring 15 has a shape in which a contact cylinder portion 16 having a circular outer periphery and an inner cylinder portion 17 having a hexagonal cross section are connected in the axial direction. Further, a crimping cylinder 18 having a hexagonal cross section that can be fitted to the outer periphery of the inner cylinder 17 is provided. The conductive ring 15 is connected to the shield layer 13 of the shielded electric wire 10 as will be described later, and is designed to be electrically connected to the bracket 20 by the contact cylindrical portion 16.

The bracket 20 is made of a metal plate, and has a horizontally long main body 21 and a pair of holding pieces 22 formed by bending both side edges of the main body 21 in one direction (back side in FIG. 1) in an arc shape. , 22 and is formed in a generally elongated C-shape as a whole. An insertion hole 23 for inserting the bolt T is opened at the center of the main body 21.

This embodiment has a structure as described above,
Next, the assembly procedure will be described. First, the conduction ring 15 is fitted to the end of the shielded wire 10. In that case, the shielded wire 10 that is hierarchically exposed as described above is inserted into the conductive ring 15, and the inner cylindrical portion 17 is arranged on the outer peripheral surface of the terminal of the sheath 14, and then the inner cylindrical portion 17 is removed. The shield layer 13 is turned over and covered over the outer peripheral surface of the substrate. After that, the caulked cylindrical body 18 is fitted around the inner cylindrical portion 17 and the outer periphery of the inverted shield layer 13, and the corresponding two surfaces of the caulked cylindrical body 18 are clamped by a jig (not shown) (FIG. 3). As a result, the conduction ring 15 is
The shield layer 13 is held so as not to be frayed between the caulking cylinder 18 and the caulked inner cylinder portion 17 bites into the sheath 14, thereby being fixed to the shielded electric wire 10.

Subsequently, the two shielded electric wires 10, 10 with the conductive ring 15 fitted therein are inserted into the body B through the window hole H. Next, both holding pieces 22 and 2 of the bracket 20 are used.
Between the two, the two conductive rings 15, 15 fitted to the respective shielded electric wires 10, 10 are fitted. In this state, both the conductive rings 15 are applied to the fixing plate P together with the bracket 20, the bolt T is inserted into the insertion hole 23 of the bracket 20, and the tip is screwed into the screw hole A of the fixing plate P to be tightened. When the bolt T is tightened, the conductive ring 15 is firmly held between the bracket 20 and the fixing plate P while the conductive ring 15 is held between the holding pieces 22 of the bracket and is prevented from coming off laterally. It is sandwiched between and fixed. Accordingly, the shield layer 13 of each shielded electric wire 10 is electrically connected to the fixing plate P of the body B via the conduction ring 15 and is grounded.

As described above, according to the present embodiment,
Since the troublesome work of loosening and bundling the shield layer exposed from the sheath as in the related art is not required, the workability is improved. In addition, since the conductive ring 15 is crimped to the end of the shield layer 13, the size of the shield layer 13 is removed from the outer periphery of the inner conductor 11, in other words, the size of the exposed inner conductor 11, as compared with the conventional structure. Can be kept short, so that good shield characteristics can be secured.

Particularly, in the present embodiment, the bracket 20 is brought into contact with both the conductive rings 15 and the bracket 20 can be fixed to the fixing plate P by jointly fastening one bolt T, so that the number of parts can be reduced. As well as the assembling work is simplified. In addition, since the bolt is fastened at the center of the bracket 20, the left and right shielded electric wires 1
A contact force can be uniformly applied to 0 and 10,
Stable electrical contact can be obtained with each of the shield layers 13.

<Second Embodiment> Various embodiments in which the shape of the bracket is changed will be described below. In the following embodiments, except for the shape of the bracket, the configuration is the same as that of the above-described first embodiment. Therefore, portions having the same functions are denoted by the same reference numerals, and redundant description will be omitted.

A second embodiment will be described with reference to FIGS. The bracket 20A according to the second embodiment is formed as a whole horizontally long as shown in FIG. 5 by press-molding a metal plate, and one end (opposite to the fixed plate) is provided at both ends in the length direction. Side), a holding groove 22 swelling in a substantially semicircular shape.
A and 22A are formed. The conduction ring 15 of the shielded electric wire 10 can be accommodated in each holding groove 22A. A bolt T is provided between the holding grooves 22A and 22A.
Is opened. Also, the bracket 20
At both end edges of A, the temporary locking portion 2 is bent at an acute angle.
4, 24 are formed. The two temporary locking portions 24, 24 are slidably inserted into both side edges of the fixing plate P, and are set to be slightly elastically sandwiched.

The assembling procedure of the second embodiment is as follows. The conductive rings 15, 15 of the two shielded electric wires 10, 10 are connected to the holding grooves 22 of the bracket 20A.
A, 22A are fitted into the inner peripheral side. And the temporary locking part 2
4 are inserted into both side edges of the fixing plate P, and the bracket 20A
Is attached to the fixing plate P by sliding from above. The direction in which the bracket 20A slides is appropriately changed depending on the direction in which the fixing plate P stands. Insertion hole 2
When the bracket 20A is moved to a position where 3 is aligned with the screw hole A of the fixing plate P, and the bolt T passed through the insertion hole 23 is screwed into the screw hole A and tightened, the respective conductive rings 15 become the holding grooves 22A, 22A. And the fixing plate P are firmly sandwiched and fixed. Thereby, the shield layer of each shielded electric wire is electrically connected to the fixing plate of the body B via the conduction ring 15 and grounded.

In this embodiment, since the conductive ring 15 is fitted and held in the holding groove 22A of the bracket 20A, the shielded electric wire 10 is prevented from falling off when the bracket 20A is attached, and is convenient for handling. In addition, since the brackets 20A are formed with the temporary locking portions 24 which are slidably inserted into both side edges of the fixing plate P, the brackets 20A are slid and the insertion holes 23 for the bolts T and the screw holes A are formed. Positioning can be performed, resulting in excellent workability.

Before screwing the bracket 20A with the bolt T, the operator aligns the insertion hole 23 with the screw hole A, and then, using pliers or the like, temporarily locks 24, 24 and both sides of the bracket 20A. By sandwiching the bracket 20A, the bracket 20A can be more securely engaged with the fixing plate P. In this way, when the bolt T is screwed into the bracket 2A, even if the hand is released from the bracket 20A,
It is possible to reliably prevent the 0A or the shielded electric wire 10 from being shifted.

<Third Embodiment> FIGS. 7 and 8 show a third embodiment of the present invention. Bracket 20B of the third embodiment
As shown in FIG. 7, similarly to the bracket 20A of the second embodiment, on both sides of the insertion hole 23 of the bolt T, a substantially semicircular holding groove 22B, which can accommodate the conduction ring 15 of the shielded wire 10, is provided. 22B is formed to bulge. Then, wrapping portions 25, 25 extending in a tangential direction are formed from outer ends of the holding grooves 22B, 22B. The two winding portions 25 and 25 face each other in a parallel posture in a molded state.

Next, an assembly procedure according to the third embodiment will be described. The conduction ring 15 of the shielded electric wire 10 is fitted into the holding groove 22B of the bracket 20B. Then, as shown by the chain line in FIG. 7, the winding portion 25 is bent inward and wound along the outer peripheral surface of the contact cylindrical portion 16 of the conduction ring 15. Thereby, both shielded electric wires 10, 10
Are held in the holding grooves 22B, 22B of the bracket 20B and are firmly held and integrated. In this state, the bracket 20B is addressed to the fixing plate P, and the bolts T are similarly passed through the through holes 23 to fix the fixing plate P. Screw hole A.

When the tightening of the bolt T proceeds, the two winding portions 2
5 and 25 are pressed against the fixing plate P, and the
The bracket 20 </ b> B is fixed to the fixing plate P while the conductive ring 15 is further tightened. This allows
The shield layers 13, 13 of each shielded electric wire 10, 10
From the conduction ring 15 to the holding groove 22B of the bracket 20B,
22B, it is electrically connected to the fixing plate P of the body B and is grounded.

In the third embodiment, in particular, after the conductive ring 15 is accommodated in the holding groove 22B, the winding portion 25 formed on the end edge is wound, so that the shielded electric wire 10 can be more securely attached to the bracket 20B. , And the mounting work of the bracket 20B becomes easier. In addition, the conductive ring 15 is closely adhered from the holding groove 22 </ b> B to the inner peripheral surface of the winding portion 25, and a sufficient contact area and contact pressure are obtained. Furthermore, since the bracket 20B is fixed by the bolt T while elastically deforming the end of the winding portion 25 against the fixing plate P, the bracket 20B is held against the fixing plate P without play.

<Fourth Embodiment> FIG. 9 shows a fourth embodiment of the present invention. In the fourth embodiment, only the window hole H is formed on the body B side and the fixing plate P is not provided, and the bracket 30 is directly attached to the edge of the window hole H. The bracket 30 has the same shape 2
The left and right halves 31, 31
The holding portions 32 are arranged side by side, and a mounting portion 33 is provided at the lower edge. The holding portion 32 has a cylindrical shape capable of holding the conduction ring 15 of the shielded electric wire 10, and has a pair of half bodies 3.
The half grooves 32A formed in each of the first grooves 1 are superposed. Each half groove 32 </ b> A has a semi-cylindrical shape to which a half circumference on one side of the conduction ring 15 can be fitted. The attachment portion 33 has a flat plate shape perpendicular to the insertion direction of the shielded electric wire 10, and has an insertion hole 33 </ b> H formed at a tip portion thereof. In addition, the fixing between the half bodies 31, 31 is as follows.
A rivet R is crimped at each of the center portion and both end portions.
It is a configuration in which caulking is performed part by part.

The assembling procedure of the fourth embodiment is as follows. After the conduction ring 15 of the shielded electric wire 10 is addressed to the half groove 32A of one half body 31 of the pair, the other half body 31 is overlapped and the rivet R is caulked.
As a result, each of the holding portions 32 of the bracket 30 has a conductive ring 1 of the two shielded wires 10.
5 is sandwiched and fixed from all around. Then, the bracket 30 is attached to the body B. In this embodiment, a screw hole A is cut at a predetermined position on the edge of a window hole H opened in the body B, and a bolt passed through the insertion hole 33H of the attachment portion 33 of one of the half bodies 31 is provided. The bracket 30 is fixed by screwing T into the screw hole A and tightening it. Thereby, the shield layer 13 of each shielded wire 10
Are electrically connected to the body B from the conduction ring 15 via the bracket 30 and are grounded.

In this embodiment, the bracket 30 is sandwiched between the pair of half bodies 31, 31 and fixed in advance to the conductive ring 15, and then the bracket 30 is fixed to the body. Conduction between the layer 13 and the body can be ensured. Bracket 30
Is held so as to cover the entire circumference of the conduction ring 15, so that the fixing force to the shielded electric wire 10 can be strengthened. In addition, since the pair of halves 31, 31 have the same shape, in the manufacture of the bracket 30, the same dies and processes required for manufacturing the halves 31 are used in common. The production cost is reduced and the economy is excellent.

<Fifth Embodiment> FIG. 10 shows a fifth embodiment of the present invention. Bracket 30A of the fifth embodiment
Is formed such that the half bodies 31A and 31B are integrally formed via a foldable connecting portion 34 at one end. Fixed portions 35A, 35 provided at the free ends of the respective halves
B, the bolt T2 is attached to the fixing portion 35A on the near side in FIG.
Insertion hole 36A is provided with a screw hole 36
B are formed respectively. Also, the front half 3
The mounting portion 33 is formed only on the lower edge of 1A.

Therefore, by opening the two halves 31A and 31B, passing the conductive ring 15 of each shielded wire 10 through the holding portion 32, and tightening the fixing portions 35A and 35B with the bolt T2, the bracket 30A can be fixed to the bracket 30A. Thus, the two shielded wires 10, 10 are fixed. After that, the bracket 30A is bolted to the rim of the window hole H of the body B.
, The shield layer 13 of each shielded wire 10
Is electrically connected to the body B from the conduction ring 15 via the bracket 30A and is grounded. In this embodiment, since the pair of half bodies 31A and 31B are formed of one member, the number of parts is reduced.

<Other Embodiments> The present invention is not limited to the above embodiments. For example, the following embodiments are also included in the technical scope of the present invention.
In addition to the following, various changes can be made without departing from the scope of the invention. (1) In the first to third embodiments, the example in which the screw holes A are formed in the fixing plate P has been described. However, a nut may be screwed into a bolt penetrating the bracket and the fixing plate.
The nut may be provided integrally with the fixing plate by welding. (2) In the fourth embodiment, the mounting portion on the front side in FIG. 9 is used to mount the bracket to the body.
Conversely, the attachment portion on the back side may be used, or two screw holes may be cut at the edge of the window hole, and the attachment may be made using both attachment portions 33, 33.

(3) In the above embodiment, the bolts or rivets used for the fastener may be appropriately changed and used.
Further, as another form of the rivet, for example, a rivet integrally formed on one of the rivets may be inserted into a hole formed on the other, and then caulked to fix the rivet. (4) In the bracket of the above embodiment, a projection such as a bead may be formed by stamping the conductive ring 15 on the side where the conductive ring 15 is to be provided, so as to contact the conductive ring 15. Alternatively, a louver-shaped tube may be housed inside the bracket, and the conductive ring 15 may be inserted into the tube to make contact therewith.

[Brief description of the drawings]

FIG. 1 is a perspective view of an end portion of a shielded electric wire according to a first embodiment after assembly.

FIG. 2 is a perspective view of a shielded electric wire and a conduction ring.

FIG. 3 is a perspective view of a shielded electric wire on which a conduction ring is crimped.

FIG. 4 is a perspective view of a terminal portion of the shielded wire before assembling.

FIG. 5 is a perspective view of a bracket according to a second embodiment.

FIG. 6 is a cross-sectional view of a temporarily locked state.

FIG. 7 is a perspective view of a bracket according to a third embodiment.

FIG. 8 is a sectional view after assembly.

FIG. 9 is a perspective view of a fourth embodiment.

FIG. 10 is a perspective view of a fifth embodiment.

FIG. 11 is a perspective view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Shield electric wire 13 ... Shield layer 15 ... Conduction ring (tubular body) 20 ... Bracket 20A ... Bracket 20B ... Bracket 22A ... Holding groove 22B ... Holding groove 24 ... Temporary locking part 25 ... Wound part 30 ... Bracket 30A ... Bracket DESCRIPTION OF SYMBOLS 31 ... Half body 32 ... Nipping part 32A ... Half groove (holding groove) 33 ... Fixed part 34 ... Connecting part B ... Body (conductive fixing part) P ... Contact plate R ... Rivet (another fastener) T ... Bolt (fastener) T2 ... Bolt (another fastener)

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Soji Kihira 1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi Prefecture Inside Harness Research Institute, Inc. No. 7-10 Harness Research Institute, Inc. F-term (reference) 5E021 FB11 FB20 FC21 FC31 FC32 LA11 LA15 LA21

Claims (9)

[Claims] 1. A structure for connecting a terminal of a shield layer of a shielded wire to a conductive fixing portion such as a body, wherein a conductive material is formed on an outer periphery of a terminal of the shield layer which is exposed by removing a coating of the shielded wire. And a conductive bracket that can be attached to the cylindrical body and is fixed to the conductive fixing portion with a fastener. 2. The bracket has a plate-like shape capable of contacting the cylindrical body, and the bracket is fixed to the conductive fixing portion by the fastener in a state where the cylindrical body is sandwiched. 2. The terminal connection structure for a shielded electric wire according to claim 1, wherein the terminal is connected to the cylinder. 3. The terminal connection structure for a shielded electric wire according to claim 2, wherein the bracket has a holding groove for fitting and holding the fitting portion of the cylindrical body of the shielded electric wire. 4. The temporary fixing portion, wherein the conductive fixing portion is formed in a plate shape rising from a substrate, and the bracket is tentatively locked to the bracket so as to be slidable along a side edge of the conductive fixing portion. The terminal connection structure for a shielded electric wire according to claim 2 or 3, wherein a portion is formed. 5. The shielded electric wire according to claim 3, wherein a winding portion that can be wound around the outer periphery of the cylindrical body is formed at an end of the holding groove in the bracket so as to extend therefrom. Terminal connection structure. 6. The bracket is constituted by a pair of halves, and the halves are fastened to each other with different fasteners, whereby the tubular body is sandwiched between the two halves. The terminal connection structure for a shielded electric wire according to claim 1. 7. The half body is formed in a shape including a holding groove into which substantially one side of the cylindrical body is fitted, and a mounting portion that can be mounted to the conductive fixing portion by the fastener. The terminal connection structure for a shielded electric wire according to claim 6, wherein the bracket is configured by arranging two half-pieces so as to face each other. 8. The terminal connection structure for a shielded electric wire according to claim 6, wherein said pair of halves are integrally formed via a foldable connecting portion. 9. The bracket according to claim 1, wherein the bracket holds a plurality of the shielded wires side by side, and can be fastened by a fastener at a position between the adjacent shielded wires. A terminal connection structure for a shielded electric wire according to claim 8.