JP3947089B2 - Conductive path with shielding function - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a conductive path having a shielding function.
[0002]
[Prior art]
For example, a conductive path having a shielding function is used as means for connecting devices such as an inverter device and a motor in an electric vehicle. As this type of conductive path, the wire side terminal is fixed to the end of the conductor of the shielded wire, the wire side terminal is connected to the device side terminal provided in the shield case of the device, and the shield layer of the shielded wire Is connected to the shield case via a conductive connecting member (see, for example, Patent Document 1).
[0003]
This shielded wire has a structure in which a conductor is covered with an insulating core, a cylindrical shield layer is covered on the outer periphery of the core, and the outer periphery of the shield layer is surrounded by a sheath made of an insulating synthetic resin. ing.
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-26093
[Problems to be solved by the invention]
When a shielded wire is used as a power line for an electric vehicle, it is necessary to increase the diameter of the conductor so that it can withstand a large current, and as a result, the shielded wire has a larger outer diameter and weight, It is inevitable that the bending rigidity becomes high.
[0006]
However, such a shielded electric wire has a problem that it is difficult to handle when performing connection work with wiring or a shield case, and the workability is lowered.
The present invention has been made in view of the above circumstances and aims to facilitate handling of shielded wires.
[0007]
[Means for Solving the Problems]
According to the first aspect of the present invention, the wire side terminal is fixed to the front end portion of the conductor of the shielded wire, the wire side terminal is accommodated in the wire side housing, and the wire side housing is provided in the mounting hole provided in the shield case. The wire-side terminal is connected to a device-side terminal provided in a shield case of the device, and a shield layer of the shielded wire is connected to the shield case, and the shielded wire and the said conductor with covering the core of the insulating, the central hole of the form outer periphery thereof is exposed shield layer by covering the cylindrical of the shield layer of the core, the connecting member having conductivity Insert a shielded electric wire, connect the shield layer to the connection member outside the electric wire side housing, and attach the connection member to the shield case. The core is inserted into the electric wire side housing from behind, a seal member is provided between the inner periphery of the rear end of the electric wire side housing and the outer periphery of the core, and the seal member is pressed against the front surface of the connection member. In the shielded electric wire, a protective member that accommodates at least the exposed portion of the shield layer is provided.
[0009]
According to a second aspect of the present invention, in the first aspect of the present invention, provisional locking means for temporarily locking the connection member and the electric wire side housing is provided.
According to a third aspect of the present invention, in the first or second aspect of the present invention, in the state where the connection member and the electric wire side housing are assembled to the shield case, the connection member is assembled in the electric wire side housing. It was set as the structure contact | abutted from back.
According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the device-side terminal is held by the device-side housing, and the device-side housing is provided in the mounting hole. Then, the device side terminal and the wire side terminal are connected by fitting the wire side housing to the device side housing.
[0010]
[Action and effect of the invention]
[Invention of Claim 1]
Although the shield electric wire is not provided with a sheath for protecting the shield layer, the shield electric wire is protected by being housed in the protective member. Thus, according to the present invention, since the sheath is eliminated from the shielded electric wire, the shielded electric wire is reduced in diameter and weight by the amount of the sheath, and the bending rigidity is lowered.
In addition, by holding the wire side terminal on the wire side housing and fitting the wire side housing into the mounting hole of the shield case, the wire side terminal can be positioned with respect to the shield case and the device side terminal. The workability is improved when connecting the terminals.
[0011]
In addition, a shield processing structure at the end of the shielded electric wire (connection structure between the shield layer and the connection member) and a waterproof structure between the shield electric wire and the electric wire side housing (a structure in which a seal member is provided between the core and the electric wire side housing) ) Is divided into the outside and the inside of the electric wire side housing, so that these structures can be simplified.
[Invention of claim 2 ]
Since the connection member and the electric wire side housing can be handled in an integrated state, workability during assembly to the shield case is improved.
[0012]
[Invention of claim 3 ]
Since the connecting member also serves as a means for preventing the electric wire side housing from coming off, no means for preventing the electric wire side housing from being removed is required, and the structure can be simplified.
[Invention of claim 4 ]
The connection between the device-side terminal and the wire-side terminal only needs to fit the device-side housing and the wire-side housing, so that it is not necessary to connect the terminals by troublesome bolting work, and the workability is excellent. In addition, when connecting terminals by bolting, it is necessary to cover the connection part between the terminals after bolting, but according to the present invention, both terminals are attached to the mounting holes. Since it is housed inside, there is no need to cover it.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
[Embodiment 1]
A first embodiment of the present invention will be described below with reference to FIGS.
The conductive path A provided with the shield function of the present embodiment is obtained by connecting the wire-side connector 50 to the terminal portion of the conductor 41 of the shielded electric wire 40, and the shield layer 43 of the shielded electric wire 40 is the device 10 (for example, electric In addition to being connected to a shield case 11 of an automotive inverter device), a wire-side terminal 70 of the wire-side connector 50 is connected to a device-side terminal 26 in the shield case 11.
[0014]
The device 10 is configured by housing a device main body (not shown) inside a conductive shield case 11 and also housing a device-side connector 20 connected to the device main body in the shield case 11. Three left and right circular mounting holes 12 penetrating in the front-rear direction are formed at a constant pitch at the upper end of the side wall of the shield case 11. On the outer surface of the shield case 11, a bulging portion 13 is formed in a form in which the opening regions of the three attachment holes 12 and the peripheral region protrude outward. The outer periphery of the bulging portion 13 has a relatively simple shape (for example, an oval, a rectangle whose corner is rounded into an arc, a trapezoid whose corner is rounded into an arc, etc.) by smoothly connecting a flat surface and a curved surface, The protruding end surface of the bulging portion 13 (the left end surface in FIGS. 1 and 2) has three mounting holes 12 and three female screw holes (inclined downward with respect to the mounting holes 12) ( (Not shown) is opened.
[0015]
The device-side connector 20 includes a device-side housing 21 made of synthetic resin and three device-side terminals 26. The device-side housing 21 is composed of a single part, and has a substantially oval connecting portion 22 elongated in the left-right direction and three left and right substantially columnar fittings protruding forward (leftward in FIG. 1) from the connecting portion 22. It consists of joint part 23. The connecting portion 22 is formed with three left and right cylindrical portions 24 that protrude rearward coaxially with the respective fitting portions 23 from the rear end face, and a pair of left and right plate-like attachments protruding sideways from the left and right ends. A portion 25 is formed. In the device-side housing 21, three device-side terminals 26 corresponding to the fitting portions 23 and the tube portions 24 are embedded by insert molding. The device-side terminal 26 includes a terminal main body 27 that penetrates the fitting portion 23 in the front-rear direction, a tab 28 that protrudes forward from the terminal main body 27 and faces the fitting recess 23F at the front end of the fitting portion 23, and a terminal main body. 27, and a device connecting portion 29 that protrudes rearward and faces the cylindrical portion 24. The device connecting portion 29 is connected to a conductive member such as a cable extending from the device main body. A seal ring 30 is mounted on the outer periphery of each fitting portion 23.
[0016]
In the device-side connector 20, each fitting portion 23 is closely fitted to the attachment hole 12 from the inside of the shield case 11, and the connecting portion 22 and the plate-like attachment portion 25 are in contact with the inner surface of the shield case 11. In this state, it is assembled to the shield case 11, and is assembled to the shield case 11 by a bolt (not shown) penetrating through the bolt hole 25 </ b> H of the plate-like mounting portion 25. In the assembled state, in each mounting hole 12, the fitting recess 23 </ b> F and the tab 28 inside thereof are on standby in preparation for connection with the wire-side connector 50 and the wire-side terminal 70. Further, the gap between the mounting hole 12 and the fitting portion 23 is waterproofed by the seal ring 30.
[0017]
The shielded electric wire 40 is configured by surrounding the outer periphery of a conductor 41 with a core 42 made of an insulating resin material, and covering the outer periphery of the core 42 with a cylindrical shield layer 43 in which fine metal wires are knitted in a mesh shape. The shielded electric wire 40 is in a state in which the shield layer 43 is exposed over the entire length thereof. At the end portion of the shielded electric wire 40, the end portion of the shield layer 43 is cut short to expose the end portion of the core 42, and the end portion of the core 42 is removed to expose the end portion of the conductor 41. It is in the state. The shielded electric wires 40 are routed in a state where three shielded wires are bundled together.
[0018]
Most of the shielded wires 40 excluding the end portions are inserted into the corrugated tube 45 (protective member which is a constituent element of the present invention). Further, the end portion of the shielded electric wire 40 is surrounded by a rubber boot 46 (a protective member which is a constituent element of the present invention). The corrugated tube 45 is made of synthetic resin, has a cylindrical bellows shape as a whole, and can be flexibly deformed along the route of the shielded electric wire 40 while the shielded electric wire 40 is accommodated therein. ing. The rubber boot 46 has a tubular shape as a whole and a shape that becomes wider toward the front. The front end portion of the rubber boot 46 is a large-diameter outer fitting portion 47 that is fitted on the bulging portion 13 of the shield case 11, and a lip portion 48 extending in the circumferential direction is formed on the inner circumference thereof. On the other hand, the rear end portion of the rubber boot 46 is a circular small-diameter outer fitting portion 49 that is fitted onto the end portion of the corrugated tube 45, and an uneven portion that matches the outer peripheral shape of the corrugated tube 45 on the inner periphery thereof. Is formed.
[0019]
The electric wire side connector 50 includes an electric wire side housing 51, a bracket 60 (a connecting member which is a constituent element of the present invention), and an electric wire side terminal 70. The electric wire side housing 51 is made of a synthetic resin and has a generally cylindrical shape as a whole. A circular cavity 52 penetrating between both front and rear end surfaces is formed inside the electric wire side housing 51, and a lance 53 for preventing the electric wire side terminal 70 from being removed on the lower surface side of the front end portion of the cavity 52. Is formed. At the rear end of the outer periphery of the electric wire side housing 51, there are three elastic locking pieces 54 (temporary locking means which is a constituent element of the present invention) extending in a cantilevered manner and the elastic locking pieces 54. Three protective pieces 55 that cantileverly project rearward so as to protect from the inner peripheral side and both sides in the circumferential direction are spaced apart in the circumferential direction and project further rearward than the rear end surface of the wire-side housing 51. It is formed in the form. A seal member 57 is attached to a seal groove 56 formed on the outer periphery of the electric wire side housing 51.
[0020]
The bracket 60 is made of a conductive material such as metal and has a generally oval plate shape as a whole. The bracket 60 is formed with a center hole 61 having a circular shape smaller in diameter than the cavity 52 in the front-rear direction, and a bolt hole 62 penetrating in a front-rear direction at a position eccentric to the center hole 61. Is formed. Further, in the bracket 60, three locking holes 63 (temporary locking means which is a constituent element of the present invention) along a circle concentric with the center hole 61 correspond to the elastic locking pieces 54 and the protective pieces 55. It is formed to do.
[0021]
The bracket 60 is connected to the shield layer 43 of the shielded electric wire 40 through the underlay pipe 64 and the caulking ring 65 so as to be conductive. In other words, the rear end portion of the conductive underlay pipe 64 is inserted into the gap between the front end portion of the shield layer 43 and the outer periphery of the core 42, and the front end portion of the shield layer 43 is electrically conductive. A caulking ring 65 is externally fitted, and the caulking ring 65 is caulked to the inner peripheral side, whereby the front end portion of the shield layer 43 is fixed in a state of being sandwiched between the underlay pipe 64 and the caulking ring 65. ing. The underlay pipe 64 is inserted in advance from the front with respect to the center hole 61 of the bracket 60, and the rear end of the bracket 60 is restricted by locking the flange portion 64F of the front end to the front surface of the bracket 60. In addition, the radial movement with respect to the bracket 60 is restricted by being fitted to the inner periphery of the center hole 61. The shield layer 43 is connected to the bracket 60 via the underlay pipe 64 so that the front end portion and the flange portion 64F of the underlay pipe 64 are in contact with the inner periphery and the front surface of the center hole 61 of the bracket 60. . A rubber ring 66 is externally fitted to the caulking ring 65 and the front and rear regions.
[0022]
The electric wire side terminal 70 is elongated in the front-rear direction as a whole, and a device connecting portion 71 having a generally rectangular tube shape connected to the tab 28 of the device side terminal 26 is formed in a substantially first half portion of the device connecting portion 71. An elastic contact piece 72 is provided inside, and a lance hole 73 is formed in the lower surface of the device connection portion 71. On the other hand, a substantially second half portion of the electric wire side terminal 70 is an electric wire crimping portion 74, and a front end portion exposed from the core 42 of the conductor 41 of the shielded electric wire 40 is connected to the electric wire crimping portion 74 so as to be conductive by crimping. Yes.
[0023]
The electric wire side connector 50 is assembled as follows.
First, the shielded electric wire 40 is inserted from behind into the center hole 61 of the bracket 60, and the front end portion of the shield layer 43 is connected to the bracket 60 via the underlay pipe 64 and the caulking ring 65. Next, a rubber sealing member 58 is externally fitted to the core 42 of the shielded electric wire 40 from the front, and the sealing member 58 is pressed against the front surface of the bracket 60 while being brought into contact with the flange portion 64F of the underlay pipe 64. The seal member 58 is loosely restricted by friction with respect to the outer periphery of the core 42. Thereafter, the wire crimping portion 74 of the wire-side terminal 70 is fixed to the front end portion of the conductor 41 of the shielded wire 40. As described above, the wire-side terminal 70 is connected to the front end portion of the shielded wire 40.
[0024]
Next, the shielded electric wire 40, the bracket 60 and the electric wire side terminal 70 are assembled to the electric wire side housing 51. When assembling, the electric wire side terminal 70 is inserted into the cavity 52 from the rear. The wire-side terminal 70 inserted deeply to the normal position is stopped by bringing the device connection portion 71 into contact with the front wall of the cavity 52 and being pulled out by the lance 53 being locked in the lance hole 73. Stopped. Further, the seal member 58 fitted on the core 42 is in close contact with the inner periphery of the rear end portion of the cavity 52, and thereby the space between the inner periphery of the cavity 52 and the outer periphery of the core 42 is sealed in a flooding restricted state.
[0025]
As the electric wire side terminal 70 is inserted into the cavity 52, the bracket 60 approaches the electric wire side housing 51 from the rear, and the elastic engaging pieces of the electric wire side housing 51 are respectively inserted into the engaging holes 63 of the bracket 60. 54 and the protective piece 55 are penetrated from the front, and a locking claw 54A at the rear end of the elastic locking piece 54 is locked from the rear with respect to the outer peripheral side edge of the locking hole 63. Due to the locking with the locking hole 63, the bracket 60 is restricted from being separated backward with respect to the electric wire side housing 51. In this locked state, the front surface of the bracket 60 abuts against the rear end surface of the electric wire side housing 51 from the rear side, thereby restricting the bracket 60 from being displaced relative to the electric wire side housing 51 forward. That is, the bracket 60 is locked in a state integrated with the electric wire side housing 51. In this temporarily locked state, the seal member 58 is sandwiched back and forth between the flange portion 64F and the stopper 52S of the cavity 52, and the flange portion 64F is pressed against the bracket 60 by the elastic repulsive force of the seal member 58, so The pipe 64 and the bracket 60 come into contact with each other reliably.
[0026]
After the electric wire side connector 50 is assembled, the three shielded electric wires 40 are accommodated in the corrugated tube 45 in a state of being bundled in a stack. The corrugated tube 45 is formed with a dividing groove (not shown) along the length direction thereof, and the shielded electric wire 40 can be accommodated inside by expanding the dividing groove. Further, the rubber boot 46 is put on the terminal portions of the three shielded electric wires 40. At this time, the rubber boot 46 allows the three electric wire side terminals 70 to be inserted while elastically expanding the small-diameter outer fitting portion 49 at the rear end. What should I do? By fitting the small-diameter outer fitting portion 49 of the rubber boot 46 to the front end portion of the corrugated tube 45, the corrugated tube 45 and the rubber boot 46 are integrated so as to surround the shielded electric wire 40 over its entire length.
[0027]
The electric wire side housing 51 of the electric wire side connector 50 is fitted into each mounting hole 12 of the shield case 11. Inside the mounting hole 12, the device-side housing 21 is waiting in advance, and when the electric wire-side housing 51 is inserted deep enough to bring the bracket 60 into contact with the outer surface of the shield case 11, the front end of the device-side housing 51 21 is fitted into the fitting recess 23F, and the tab 28 enters the device connection portion 71 of the electric wire side terminal 70 and elastically contacts the elastic contact piece 72 so that both terminals 26 and 70 are electrically connected. Is done.
[0028]
In a state where the electric wire side housing 51 is fitted in the mounting hole 12, the bolt hole 62 of the bracket 60 is aligned with the female screw hole of the shield case 11, and the bolt 69 penetrating the bolt hole 62 is screwed into the female screw hole. By tightening the bracket 60, the bracket 60 is fixed in a state where it is conductively connected to the outer wall surface of the shield case 11, and as a result, the shield layer 43 of the shielded electric wire 40 is connected to the shield case 11 so as to be conductive. . Further, since the bracket 60 is in contact with the rear end surface of the electric wire side housing 51, the electric wire side housing 51 is restricted from coming out (rearward) from the mounting hole 12.
[0029]
Further, the large-diameter outer fitting portion 47 at the front end of the rubber boot 46 is fitted onto the bulging portion 13 of the shield case 11 and the lip portion 48 is brought into elastic contact with the outer periphery thereof. Thereby, the connection part between the bracket 60 and the shield layer 43 will be in the state waterproofed. The space between the inner periphery of the mounting hole 12 and the outer periphery of the electric wire side housing 51 is waterproofed by a seal member 57.
As described above, in the present embodiment, the shielded electric wire 40 is not provided with a sheath for protecting the shield layer 43, but the entire length of the shielded electric wire 40 (at least the shield layer 43 of the shielded electric wire 40 is exposed). The area) is accommodated in the corrugated tube 45 and the rubber boot 46 for protection. Thus, according to the present embodiment, since the sheath can be eliminated from the shielded electric wire 40, the shielded electric wire 40 can be reduced in diameter and weight by the amount of the sheath, and the bending rigidity can be lowered. It has been realized.
[0030]
Further, since the electric wire side terminal 70 is held by the electric wire side housing 51 and the electric wire side housing 51 is fitted into the mounting hole 12 of the shield case 11, the electric wire side terminal 70 is connected to the shield case 11 and the device side terminal 26. Positioning can be performed in the radial direction and the front-rear direction, which improves workability when connecting the terminals 26 and 70 to each other.
In addition, the shield layer 43 is connected to the bracket 60 outside the electric wire side housing 51, the bracket 60 is attached to the shield case 11, the front end portion of the core 42 is inserted into the electric wire side housing 51, and the electric wire side housing 51. A seal member 58 is provided between the core 42 and the core 42. That is, the shield processing structure at the end of the shielded electric wire 40 (connection structure between the shield layer 43 and the bracket 60) and the waterproof structure between the shielded electric wire 40 and the electric wire side housing 51 (between the core 42 and the electric wire side housing 51). The structure in which the seal member 58 is provided) is divided into the outside and the inside of the electric wire side housing 51, so that simplification of these structures is realized.
[0031]
Further, since the elastic locking piece 54 and the locking hole 63 are provided as temporary locking means for temporarily locking the bracket 60 and the electric wire side housing 51, the bracket 60 and the electric wire side housing 51 are integrated. The workability at the time of assembling the shield case 11 is improved.
Further, in a state where the bracket 60 and the electric wire side housing 51 are assembled to the shield case 11, the bracket 60 is configured to contact the electric wire side housing 51 from the rear in the assembling direction, and the bracket 60 prevents the electric wire side housing 51 from coming off. It also comes to serve as a means. Thereby, the means for retaining the electric wire side housing 51 becomes unnecessary, and the simplification of the structure is realized.
[0032]
Further, the device-side terminal 26 is held in the device-side housing 21, the device-side housing 21 is provided in the mounting hole 12, and the wire-side housing 51 is fitted into the device-side housing 21 in the mounting hole 12. Since the side terminal 26 and the wire side terminal 70 are connected to each other, the connection between the device side terminal 26 and the wire side terminal 70 only needs to fit the device side housing 21 and the wire side housing 51. It has become. Therefore, it is not necessary to directly connect the terminals 26 and 70 by troublesome bolting work, and the workability is excellent. Further, when the terminals are connected by bolting, it is necessary to put a protective cover on the connecting portion between the terminals after the bolting. According to this embodiment, both terminals 26 and 70 are connected. Since it will be in the state accommodated in the attachment hole 12, it is not necessary to cover the cover for protection.
[0033]
[Other Embodiments]
The present invention is not limited to the embodiment 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, and further, within the scope not departing from the gist of the invention other than the following. Various modifications can be made.
(1) Although the electric wire side terminal is accommodated in the electric wire side housing in the said embodiment, according to this invention, you may insert an electric wire side terminal directly in a shield case, without providing an electric wire side housing. In this case, a means for holding the electric wire side terminal can be provided in the shield case, and a seal member can be mounted between the attachment hole of the shield case and the shield electric wire.
[0034]
(2) In the above embodiment, a plurality of wire-side terminals are accommodated in one wire-side housing. However, according to the present invention, each wire-side terminal is accommodated in a separate wire-side housing, and each wire-side housing is independent. You may make it fit in the attached attachment hole.
(3) In the above embodiment, the device-side housing is provided and the device-side terminal is accommodated in the device-side housing. However, according to the present invention, the device-side terminal is provided in an exposed state without providing the device-side housing. The side terminals may be protruded from the electric wire side housing, and both terminals may be connected by means such as bolting.
[0035]
(4) In the above-described embodiment, the electric wire side terminal is inserted into the electric wire side housing so as to be accommodated. However, according to the present invention, even if the electric wire side terminal and the electric wire side housing are integrated by insert molding, Good.
(5) In the above embodiment, the connection member and the shield layer are connected outside the electric wire side housing. However, according to the present invention, the connection member and the shield layer are connected inside the electric wire side housing. You can also.
[0036]
(6) In the above embodiment, means for temporarily locking the connecting member and the electric wire side housing is provided. However, according to the present invention, such a temporary locking means may not be provided.
(7) In the above embodiment, the connecting member has a function of retaining the electric wire side housing. However, according to the present invention, the electric wire side housing may be retained by means other than the connecting member.
[Brief description of the drawings]
FIG. 1 is a horizontal sectional view showing an assembled state in Embodiment 1. FIG. 2 is a longitudinal sectional view of the assembled state. FIG. 3 is an enlarged horizontal sectional view of a wire side connector. [Figure 5] Front view of the wire-side connector [Figure 6] Rear view of the wire-side connector [Figure 7] Horizontal sectional view of the equipment-side connector [Figure 8] Vertical section of the equipment-side connector [Figure 9] Equipment-side connector Front view 【Explanation of symbols】
DESCRIPTION OF SYMBOLS 10 ... Equipment 11 ... Shield case 12 ... Mounting hole 21 ... Equipment side housing 26 ... Equipment side terminal 40 ... Shield electric wire 41 ... Conductor 42 ... Core 43 ... Shield layer 45 ... Corrugated tube (protective member)
46. Rubber boots (protective members)
51 ... Electric wire side housing 54 ... Elastic locking piece (temporary locking means)
58... Sealing member 60... Bracket (connection member)
63 ... Locking hole (temporary locking means)
70 ... Electric wire side terminal

Claims (4)

A wire side terminal is fixed to the front end of the conductor of the shielded wire, the wire side terminal is accommodated in the wire side housing, and the wire side housing is fitted into a mounting hole provided in the shield case, The terminal is connected to the device side terminal provided in the shield case of the device, and the shield layer of the shielded electric wire is connected to the shield case,
The shielded wire has a form in which the shield layer is exposed by covering the conductor with an insulating core and covering the outer periphery of the core with the cylindrical shield layer,
Insert the shielded electric wire through the central hole of the conductive connecting member,
Connecting the shield layer to the connection member at the rear outside of the electric wire side housing;
The connection member is attached to the shield case,
Insert the core from the rear with respect to the electric wire side housing,
A seal member is provided between the inner periphery of the rear end portion of the electric wire side housing and the outer periphery of the core,
Pressing the sealing member against the front surface of the connecting member;
Conductive path having a shielding function, characterized in that a protective member for accommodating the exposed portion of at least the shield layer of the shielded wire. 2. The conductive path having a shield function according to claim 1 , further comprising temporary locking means for temporarily locking the connection member and the electric wire side housing . 2. The structure according to claim 1 , wherein, in a state where the connection member and the electric wire side housing are assembled to the shield case, the connection member contacts the electric wire side housing from the rear in the assembling direction. A conductive path having a shielding function according to 2 . The device-side terminal is held in the device-side housing, the device-side housing is provided in the mounting hole, and the wire-side housing is fitted to the device-side housing in the mounting hole to The conductive path having a shield function according to any one of claims 1 to 3, wherein the electric wire side terminal is connected .

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