JP6531608B2 - Connector and wire harness - Google Patents

Description

  The present invention relates to a connector and a wire harness.

  Conventionally, for example, a wire harness provided in a vehicle using an electric motor as a drive source and connecting an inverter and the electric motor is known. One known wire harness of this type is provided with a braided shield for reducing electromagnetic noise radiated from the wire of the wire harness.

  Patent Document 1 discloses a wire harness in which an electromagnetic noise radiated from the wire harness by the magnetic core is further reduced by providing a magnetic core made of a ferrite core or the like in addition to a braided shield.

JP, 2014-130708, A

  However, the ferrite core used as the magnetic core in Patent Document 1 has a large size and a large mass. Therefore, it is necessary to fix the ferrite core to the vehicle body or the like, and there is a problem that the degree of freedom of the wiring layout of the wire harness is reduced.

  In addition, a dedicated fixing member for fixing the ferrite core to a vehicle body or the like is required, the number of parts is increased, and the workability at the time of attaching the wire harness is also reduced.

  Then, an object of this invention is to provide the connector and wire harness which can improve the freedom degree of wiring layout, and can suppress a number of parts, reducing electromagnetic noise.

  The present invention is a connector provided at the end of an electric wire for the purpose of solving the above-mentioned problem, which has an insertion hole through which the electric wire is inserted, and is accommodated in a mounting hole formed in a mounting member A receiving member, and a wire holding member disposed along the electric wire and aligned with the receiving member, and holding the electric wire and having a fixing portion for fixing to the mounting member; The housing member is provided so as to cover the outer periphery of the electric wire, and the housing member side housing having an inner wall portion harder than the electric wire, and an annular magnetic magnetic material made of nanocrystalline soft magnetic material provided around the inner wall portion. And a body core.

  Moreover, this invention provides the wire harness provided with the electric wire and the said connector for the purpose of solving the said subject.

  According to the present invention, it is possible to provide a connector and a wire harness which can improve the degree of freedom in layout and reduce the number of parts while reducing electromagnetic noise.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the external appearance of the wire harness which concerns on one embodiment of this invention. It is the perspective view which abbreviate | omitted the braided shield in FIG. 1A. It is a perspective view of a connector. It is the sectional view on the AA line of FIG. It is an exploded perspective view of a housing. It is a perspective view of a seal holding member. It is a perspective view of a seal holding member. It is an exploded perspective view of a seal holding member.

Embodiment
Hereinafter, embodiments of the present invention will be described with reference to the attached drawings.

(Description of the overall structure of the wire harness)
FIG. 1A is a perspective view showing the appearance of a wire harness according to the present embodiment, and FIG. 1B is a perspective view in which the braided shield is omitted.

  As shown to FIG. 1A and FIG. 1B, the wire harness 1 is provided with the electric wire 2 and the connector 3 provided in the edge part of the electric wire 2. As shown in FIG.

  The wire harness 1 is mounted, for example, on a vehicle such as an electric vehicle or a hybrid vehicle having an electric motor as a drive source, and is used to supply a PWM (Pulse Width Modulation) controlled current output from an inverter to the electric motor. Be The current includes a high frequency component due to switching of a switching element such as a power transistor.

  In the present embodiment, the wire harness 1 is configured to supply three-phase alternating current of U phase, V phase and W phase to the electric motor using three electric wires 2.

  Each electric wire 2 is provided with a conductor 2a in which a plurality of strands of good electric conductor are twisted and an insulator 2b made of insulating resin provided on the outer periphery of the conductor 2a.

  A connection terminal 21 is connected to an end of each wire 2. The connection terminal 21 integrally includes a caulking portion 21a caulked and fixed to an end portion of the conductor 2a, and a plate-like connection portion 21b extended from the caulking portion 21a. The connection portion 21 b is formed with a connection hole 21 c for bolt fixing which penetrates the connection portion 21 b in the thickness direction. The connection terminal 21 is fixed to the device-side connection terminal by fixing the connection portion 21 b to the corresponding device-side connection terminal provided on the terminal block in the mounting target member (for example, in the inverter) to be connected. Electrically connected.

  A braided shield 4 is provided around the three wires 2 so as to collectively cover the three wires 2. The braided shield 4 is formed, for example, by braiding a plurality of shield wires formed by tin plating copper. Here, the braided shield 4 is formed by using six shield strands as one strand bundle and crossing the strand bundles in an X-shape and knitting them together. The braided shield 4 can expand and contract the inner diameter by, for example, manually changing the size of the stitches.

Although not shown, a corrugated tube for protecting the electric wire 2 may be provided on the outer periphery of the braided shield 4. The corrugated tube is a cylindrical member made of resin, and has a bellows shape in which large diameter portions and small diameter portions are alternately formed.
(Description of connector 3)
FIG. 2 is a perspective view of the connector 3 and FIG. 3 is a cross-sectional view taken along the line A-A.

  As shown in FIGS. 2 and 3, the connector 3 has an insertion hole 71 through which the electric wire 2 is inserted, and a receiving member accommodated in a mounting hole (not shown) formed in a mounting member (for example, an inverter) An electric wire holding member 32 having a fixing portion (flange portion 62), which is arranged along the electric wire 2 and arranged with the receiving member 31 and holds the electric wire 2 and fixes the electric wire 2 to the mounting member (for example, inverter). And have.

(Description of the wire holding member 32)
The wire holding member 32 includes a housing (wire holder) 5 made of an insulating resin and a shield shell (shield case) 6 made of a conductive metal.

  As shown in FIGS. 2 to 4, the housing 5 includes a wire support portion 52 for supporting the wire 2, an outer wall portion 53 covering the wire support portion 52, and a connection portion 54 for connecting the wire support portion 52 and the outer wall portion 53. And are integrated. The housing 5 is made of, for example, an insulating resin such as PBT (polybutylene terephthalate), PA (polyamide), or PPS (polyphenylene sulfide), and is formed by, for example, injection molding.

  The wire support portion 52 is formed in a cylindrical shape having an insertion hole 51 through which the electric wire 2 is inserted, and is configured to hold the electric wire 2 inserted into the insertion hole 51. Here, three wire support portions 52 are provided corresponding to the three wires 2. In addition, you may make it provide the electric wire support part of not only this but the integral structure which has the three penetration holes 51, for example. The three wire support portions 52 are aligned at regular intervals in the direction perpendicular to the longitudinal direction of the wire 2 and configured to hold the three wires 2 in an aligned state. Hereinafter, the longitudinal direction of the electric wire 2 in the connector 3 will be referred to as a length direction, the alignment direction of the electric wires 2 as a width direction, and a direction perpendicular to the length direction and the width direction as a height direction.

  The outer wall portion 53 is formed in a tubular shape, and is provided to be separated from each wire support portion 52 and to collectively cover each wire support portion 52. The connecting portion 54 is a rib-like connecting piece 54 a connecting the central portion and both side portions in the width direction of the wire support portion 52 to the outer wall portion 53, and the wire support portion 52 and the outer wall portion 53 at the tip end of the wire 2. And a front wall portion 54b provided to close the space between them.

  In the present embodiment, the housing 5 is divided up and down at the central portion in the height direction, and both divided housings 5 are fixed and integrated by fixing means including the lance 55.

  The shield shell 6 is provided on the outer periphery of the outer wall portion 53 by press fitting. The shield shell 6 is made of, for example, a conductive metal such as iron, brass, or aluminum, and is configured to accommodate at least a part of the housing 5. A plurality of rib-like protruding portions 53a formed along the longitudinal direction are formed in a circumferentially separated manner at an end portion of the outer periphery of the outer wall portion 53 on the wire insertion side, and press-fitting is performed by the protruding portions 53a. The shield shell 6 can be firmly fixed to the housing 5.

  The shield shell 6 is provided so as to protrude outward from a cylindrical portion 61 provided so as to cover the periphery of the outer wall portion 53 of the housing 5 and an end portion on the tip end side of the cylindrical portion 61 And a flange portion 62 as a fixing portion fixed to a housing (for example, an inverter). A band-shaped tightening member 64 is provided on the outer periphery of the shield shell 6, and the braided shield 4 is fixed to the outer periphery of the shield shell 6 by the tightening member 64, and the cylindrical portion 61 is tightened. It is fixed to five.

(Description of the accommodated member 31)
5A and 5B are perspective views of the seal holding member, and FIG. 6 is an exploded perspective view thereof.

  As shown in FIG. 2, FIG. 3, FIG. 5A, FIG. 5B and FIG. 6, the accommodated member 31 is a member accommodated in a mounting hole (not shown) formed in a mounted member (for example, an inverter). , And the tip end side of the flange portion 62 of the shield shell 6 which is a fixing portion.

  The housed member 31 is an annular magnetic body made of a seal holding member 72 as a housed member side housing having three insertion holes 71 through which the electric wire 2 is inserted, and a nanocrystalline soft magnetic material provided on the seal holding member 72. And a core 8. That is, the connector 3 incorporates the magnetic core 8 in the accommodated member 31.

  In the present embodiment, the seal holding member 72 is provided so as to cover the outer periphery of the electric wire 2 and has an inner wall portion 78 harder than the electric wire 2. Nanocrystals are provided so as to cover the periphery of the inner wall portion 78 An annular magnetic core 8 made of a soft magnetic material is provided. In addition, "hard" said here means that it is harder to bend when trying to make it bend with both ends with respect to the thing of the same length (for example, unit length).

  Here, the common inner wall portion 78 is formed so as to collectively cover the three insertion holes 71, but the inner wall portions may be individually formed in each insertion hole 71. The magnetic core 8 is provided around the common inner wall portion 78, that is, to collectively cover the three electric wires 2. Although a plurality of magnetic cores 8 may be provided to individually cover each wire 2, in this case, the distance between the respective wires 2 (the distance between the inner walls provided individually around the respective wires 2) Needs to be large enough to accommodate the magnetic core 8, which may lead to an increase in size of the connector 3 (accommodated member 31). That is, by providing the magnetic core 8 so as to cover the plurality of electric wires 2 collectively, the connector 3 can be miniaturized.

  In the present embodiment, the magnetic core 8 is made of nanocrystalline soft magnetic material. The nanocrystalline soft magnetic material is a material in which nanocrystalline particles of the ferromagnetic phase are dispersed in the remaining amorphous phase by crystallizing an amorphous alloy.

  Here, FINEMET (registered trademark) was used as the nanocrystalline soft magnetic material. The magnetic core 8 made of FINEMET (registered trademark) is, for example, a single alloy melt containing Fe (-Si) -B as a basic component and a trace amount of elements such as Cu and Nb, Ta, Mo, Zr added thereto. Amorphous metal ribbon of about 20 μm in thickness is formed into a core of about 20 μm by an ultra-quenching method such as rolling, and formed into a core shape (in this case, an annular shape covering all three wire support portions 52). It is formed by heat treatment and crystallization. The crystal grain size in the magnetic core 8 is about 10 nm. Note that, as the magnetic core 8, a nanocrystalline soft magnetic material other than FINEMET (registered trademark), for example, NANOMET (registered trademark) may be used.

  The nanocrystalline soft magnetic material has high saturation magnetic flux density and excellent soft magnetic characteristics (high magnetic permeability and low core loss characteristics) as compared with soft magnetic materials such as soft ferrite which have been conventionally used. Therefore, by using a nanocrystalline soft magnetic material as the magnetic core 8, the magnetic core 8 can be miniaturized. As a result, even when the magnetic core 8 is built in the connector 3, it is possible to suppress the enlargement of the connector 3 and realize the compact connector 3 while incorporating the magnetic core 8. The size (thickness and length) of the magnetic core 8 may be appropriately set so as to obtain desired characteristics in consideration of the characteristics and the like of the nanocrystalline soft magnetic material to be used.

  In addition, the nanocrystalline soft magnetic material has a characteristic that it can suppress electromagnetic wave noise in a frequency band used for radio such as AM radio, as compared with soft magnetic material such as soft ferrite which has been conventionally used. In a vehicle, road information and the like are provided by an AM radio. Therefore, when the wire harness 1 is applied to a vehicle, it can be said that the effect of suppressing electromagnetic wave noise in a frequency band used for radio is great.

  However, the nanocrystalline soft magnetic material has a characteristic that the magnetic characteristics change when external stress is applied. Therefore, in the case of using the magnetic core 8 made of a nanocrystalline soft magnetic material, it is necessary to configure the magnetic core 8 so that no stress is applied from the outside.

  Therefore, in the present embodiment, the seal holding member 72 is provided with the inner wall portion 78 harder than the electric wire 2, and the annular magnetic core 8 made of nanocrystalline soft magnetic material is provided around the inner wall portion 78. did. As a result, no stress is applied to the magnetic core 8 even when the electric wire 2 is bent or the like, and it becomes possible to suppress a change in the magnetic characteristics of the magnetic core 8.

  In the present embodiment, the entire seal holding member 72 is made of a material harder than the wire 2. However, the present invention is not limited thereto, and at least the inner wall 78 may be made of a material harder than the wire 2. The seal holding member 72 is made of, for example, an insulating resin such as PBT (polybutylene terephthalate), PA (polyamide), or PPS (polyphenylene sulfide).

  When the magnetic core 8 protrudes in the longitudinal direction (longitudinal direction of the electric wire 2) with respect to the inner wall portion 78, the magnetic core 8 of the protruding portion interferes with the bent electric wire 2 and It is desirable that the magnetic core 8 be provided so as not to protrude in the longitudinal direction of the electric wire 2 more than the inner wall portion 78 because the magnetic characteristics may change.

  When the inner wall portion 78 is formed thick, the distance between the magnetic core 8 and the electric wire 2 becomes large. Therefore, the magnetic core 8 is slightly longer than the inner wall portion 78 in the length direction (longitudinal direction of the electric wire 2). Even if it protrudes, there is no possibility that the electric wire 2 may interfere with the magnetic core 8. However, as the distance between the electric wire 2 and the magnetic core 8 increases, the circumferential length of the stacked magnetic core 8 becomes longer, and the effect of suppressing the electromagnetic wave becomes smaller. That is, as in the present embodiment, by providing magnetic core 8 so as not to project in the longitudinal direction of electric wire 2 from inner wall 78, the thickness of inner wall 78 is smaller (magnetic core 8 and electric wire It is possible to suppress the change in the magnetic properties of the magnetic core 8 while reducing the distance to 2 and further enhancing the effect of suppressing the electromagnetic wave.

  In the present embodiment, the seal holding member 72 is a cylindrical outer wall 79 provided so as to cover the inner wall 78 and the magnetic core 8 so as to sandwich the magnetic core 8 with the inner wall 78. And a restricting portion 80 which restricts the movement of the magnetic core 8 along the longitudinal direction of the electric wire 2.

  The outer wall portion 79 is provided separately from the inner wall portion 78, and the magnetic core 8 is disposed in the magnetic core receiving groove 81 which is a space between the outer wall portion 79 and the inner wall portion 78. . The outer wall portion 79 plays a role of protecting the magnetic core 8 at the time of transportation, mounting operation of the wire harness 1 and the like, and the magnetic characteristic changes because the magnetic core 8 interferes with the inner peripheral surface of the mounting hole of the non mounting member. It also has the role of suppressing the

  In the present embodiment, the end face 72a on the tip side of the seal holding member 72 is formed with the magnetic core storage groove 81 opened on the tip side along the periphery of the end face 72a at a position separated from the periphery of the end face 72a. The magnetic core 8 is configured to be accommodated in the magnetic core accommodation groove 81. The seal holding member 72 located inward of the magnetic core accommodation groove 81 serves as the inner wall 78, and the seal holding member 72 located outward of the magnetic core accommodation groove 81 serves as the outer wall 79.

  In order to prevent the magnetic core 8 accommodated in the magnetic core accommodation groove 81 from falling off, the seal holding member 72 is provided with a cap 82 so as to close the opening of the magnetic core accommodation groove 81. Here, for convenience, the seal holding member 72 and the cap 82 are described as separate members, but the cap 82 is a part of the seal holding member 72. The cap 82 is formed with three through holes 82 a through which the electric wire 2 is inserted, and the cap 82 is attached to the seal holding member 72 so as to cover the entire end surface 72 a of the seal holding member 72. The method of fixing the cap 82 to the seal holding member 72 is not particularly limited. For example, the cap may be fixed by an appropriate method such as adhesive fixing, mechanical fixing using a lance or locking projection, or bolt fixing. 82 may be fixed to the seal holding member 72.

  In the present embodiment, the cap 82 and the bottom wall 81a (see FIG. 3) of the magnetic core accommodating groove 81 restrict the movement of the magnetic core 8 along the longitudinal direction of the electric wire 2. It will be configured.

  Further, the receiving member 31 is held by the outer peripheral surface of the seal holding member 72, and the outer peripheral sealing member 76 which seals between the inner surface of the mounting hole of the mounting member and the seal holding member 72; An inner peripheral seal member (wire seal) 74 held on the surface and sealing between the insertion hole 71 and the electric wire 2 is provided. In FIG. 5A, FIG. 5B and FIG. 6, the outer peripheral seal member 76 and the inner peripheral seal member are omitted.

  The outer peripheral seal member 76 is formed in an annular shape, and is disposed in the outer peripheral seal member groove 75 formed along the circumferential direction on the outer periphery of the seal holding member 72. The outer peripheral seal member 76 is interposed between the seal holding member 72 and the inner surface of the mounting hole of the mounting member (for example, inverter), and moisture intrudes into the mounting member (for example, inverter) from the outside of the seal holding member 72 Suppress that.

  The inner peripheral seal member 74 is formed in an annular shape, and is disposed in the inner peripheral seal member groove 73 formed along the circumferential direction at the end of the seal holding member 72 on the housing 5 side of the insertion hole 71. The inner peripheral seal member 74 is interposed between the insulator 2 b of the electric wire 2 and the seal holding member 72, and suppresses the penetration of moisture into the mounting member (for example, an inverter) along the electric wire 2.

  In the connector 3, the magnetic core 8 is provided at a position not overlapping the outer peripheral seal member 76 and the inner peripheral seal member 74 in the longitudinal direction (longitudinal direction of the electric wire 2). This is because, when the magnetic core 8 is provided at a position overlapping the outer peripheral seal member 76 and the inner peripheral seal member 74, both the arrangement space of the magnetic core 8 and the arrangement space of the seal members 74 and 76 are the same position in the length direction. It is because it leads to the enlargement of the seal holding member 72. In order to avoid the outer circumferential sealing member groove 75 and the inner circumferential sealing member groove 73, it is conceivable to make the thickness of the magnetic core 8 small (thin), but in this case, in order to secure the volume of the magnetic core 8 The thin magnetic core 8 needs to be formed long, and the length of the seal holding member 72 that accommodates the magnetic core 8 becomes large, and eventually the seal holding member 72 becomes large.

  By providing the magnetic core 8 at a position not overlapping the outer peripheral seal member 76 and the inner peripheral seal member 74, the thickness of the magnetic core 8 can be secured and the length can be shortened. It is possible to miniaturize the member 72.

  At the proximal end of the seal holding member 72, a locking projection 77 projecting to the proximal side is integrally formed. The locking projection 77 connects the head 77a having a rectangular parallelepiped shape, the head 77a and the seal holding member 72, and is a shaft portion formed in a rectangular parallelepiped shape (square column) having a smaller width and height than the head 77a. (Cervical part) 77b, and has integrally.

  A locking groove 56 for locking the locking projection 77 is formed in the front wall portion 54 b of the housing 5. The locking groove 56 is smaller in width and height than the head 77 a and the head housing portion 56 a which is larger in width, height and length than the head 77 a that houses the head 77 a of the locking projection 77. And a shaft housing portion 56b which is larger in width and height than the shaft 77b and shorter in length than the shaft 77b, and the head housing 56a is opened forward via the shaft housing 56b. Is configured as.

  The shield shell 6 is attached to the mounting member (for example, an inverter) by housing the head 77a in the head housing portion 56a and the shaft 77b in the shaft housing portion 56b and locking the locking projection 77 in the locking groove 56. The seal holding member 72 can be moved relative to the wire holding member 32 when fixed to the case of FIG. In the present embodiment, the seal holding member 7 is movable relative to the housing 5 in the length direction, the width direction, and the height direction.

  With this configuration, even if the wire holding member 32 (the shield shell 6 or the housing 5) is rotated or inclined by the bending of the electric wire 2 or the torque at the time of bolting the shield shell 6, the seal is rotated or inclined. It becomes difficult for the holding member 72 to follow, and it is possible to suppress the loss of the waterproof function, for example, because only a part of the outer peripheral seal member 76 is crushed excessively. In addition, it is possible to further suppress the stress from being applied to the magnetic core 8 mounted on the seal holding member 72, and it is possible to further suppress the change of the magnetic characteristic of the magnetic core 8.

  Although the case where the head 77a and the shaft 77b of the locking projection 77 are formed in a rectangular parallelepiped shape (or prismatic shape) has been described here, the shapes of the head 77a and the shaft 77b are not limited thereto. For example, the head 77a and the shaft 77b may be cylindrical, or the head 77a may be spherical.

  Further, the means for relatively movably connecting the seal holding member 72 and the electric wire holding member 32 (housing 5) is not limited to the locking projection 77 and the locking groove 56. For example, a hook (lance) having elasticity is extended from one of the seal holding member 72 and the housing 5, and a locking portion for locking the hook to the other of the seal holding member 72 and the housing 5 is provided to lock the hook. Even in a state in which the seal holding member 72 and the housing 5 are engaged by being locked to the portion, the seal holding member 72 and the electric wire holding member 32 (housing 5) can be configured to be relatively movable by the elasticity of the hook. It is.

(Operation and effect of the embodiment)
As described above, in the connector 3 according to the present embodiment, the housed member 31 housed in the mounting hole formed in the mounting member is provided so as to cover the outer periphery of the electric wire 2, A seal holding member 72 having a hard inner wall 78 and an annular magnetic core 8 made of a nanocrystalline soft magnetic material provided around the inner wall 78 are provided.

  By using the annular magnetic core 8 made of nanocrystalline soft magnetic material, the magnetic core 8 can be made smaller than the ferrite core and the like conventionally used, and the connector 3 can be made magnetic without increasing the size of the connector 3. It becomes possible to mount the body core 8.

  Further, by providing the magnetic core 8 around the inner wall 78 made of a material harder than the electric wire 2, no load is applied to the magnetic core 8 due to bending of the electric wire 2, vibration of the electric wire 2, etc. As a result, it becomes possible to suppress the change in the magnetic properties of the magnetic core 8.

  By incorporating the magnetic core 8 in the connector 3, it is not necessary to fix the magnetic core to the vehicle body or the like as in the case where the magnetic core comprising a ferrite core or the like is provided outside the connector 3 as in the prior art. Therefore, it is possible to improve the degree of freedom of the layout of the wiring harness 1. Further, since a dedicated fixing member for fixing a magnetic core such as a ferrite core to a vehicle body or the like is not necessary, it is possible to reduce the number of parts and to improve the workability when attaching the wire harness 1.

  That is, according to the present embodiment, it is possible to suppress the change in the magnetic characteristics of the magnetic core 8 and to improve the degree of freedom of the layout layout and to suppress the number of parts while surely reducing the electromagnetic noise. A possible connector 3 and wire harness 1 can be realized.

  Furthermore, in the present embodiment, the magnetic core 8 is mounted on the accommodated member 31 accommodated in the mounting hole of the mounted member. In other words, in the present embodiment, the magnetic core 8 is disposed in this space using the space from the fixing portion (flange portion 62) to the mounting member to the terminal block. Thus, for example, from the fixing portion (flange portion 62) of the connector 3 as compared with the case where the magnetic core 8 is disposed on the extension side (wire holding member 32) of the electric wire 2 with respect to the fixing portion (flange portion 62). It is possible to make the electric wire 2 bent closer to the fixing portion (flange portion 62). As a result, it is possible to further improve the degree of freedom of the wiring layout of the wire harness 1 and to realize the connector 3 with a small occupied space when attached to the mounted member.

(Summary of the embodiment)
Next, technical ideas to be understood from the embodiments described above will be described by using the reference numerals and the like in the embodiments. However, each reference numeral or the like in the following description does not limit the constituent elements in the claims to the members or the like specifically shown in the embodiments.

[1] A connector (3) provided at an end of an electric wire (2), having a through hole (71) for inserting the electric wire (2), and housed in a mounting hole formed in a mounting member A receiving member (31), and the electric wire (2) along the receiving member (31), which holds the electric wire (2) and fixes the fixing member to the mounting member A wire holding member (32) having a portion (62), the accommodated member (31) is provided to cover the outer periphery of the wire (2), and is an inner wall portion harder than the wire (2) A connector () comprising: an accommodated member side housing (72) having (78); and an annular magnetic core (8) made of nanocrystalline soft magnetic material provided around the inner wall (78) 3).

[2] The connector (3) according to [1], wherein the magnetic core (8) is provided so as not to protrude in the longitudinal direction of the electric wire (2) relative to the inner wall (72).

[3] The housing member-side housing (72) is provided to cover the inner wall 78 and the magnetic core 8 so as to sandwich the magnetic core 8 with the inner wall 78. As described in [1] or [2], having a cylindrical outer wall portion 79 and a regulating portion (80) for regulating movement of the magnetic core (8) along the longitudinal direction of the electric wire (2). Connector (3).

[4] The receiving member (31) is held by the outer peripheral surface of the receiving member side housing (72), and is an outer periphery which seals between the inner surface of the mounting hole and the receiving member side housing (72) The housing member (72) is movable relative to the wire holding member (32) when the wire holding member (32) is fixed to the mounting member. The connector (3) according to any one of [1] to [3].

[5] The inner peripheral seal member (74) which is held by the inner peripheral surface of the insertion hole (71) and seals the gap between the insertion hole (71) and the electric wire (2). And the magnetic core (8) is provided at a position not overlapping the outer peripheral seal member (76) and the inner peripheral seal member (74) in the longitudinal direction of the electric wire (2). The connector (3) as described in 4].

[6] The accommodated member side housing (72) includes a plurality of the insertion holes (71), and the plurality of electric wires (2) are inserted into the plurality of insertion holes (71), and the magnetic The connector (3) according to any one of [1] to [5], wherein the body core (8) is provided to collectively cover the plurality of electric wires (2).

[7] A wire harness (1) comprising a wire (2) and the connector (3) according to any one of [1] to [6].

  As mentioned above, although embodiment of this invention was described, embodiment described above does not limit the invention which concerns on a claim. In addition, it should be noted that not all combinations of features described in the embodiments are essential to the means for solving the problems of the invention.

  The present invention can be appropriately modified and implemented without departing from the scope of the invention.

  For example, in the above embodiment, the case where the magnetic core 8 is provided on the accommodated member 31 movable relative to the wire holding member 32 has been described, but the magnetic core 8 is relative to the wire holding member 32 It is not necessary to provide the movable member, and it may be provided to a portion (a portion closer to the tip than the flange portion 62 as the fixing portion) accommodated in the attachment hole of the mounting member in the connector 3. For example, the front end of the housing 5 may be extended to the front end side to be accommodated in the mounting hole, and the magnetic core 8 may be provided at the front end of the housing 5 accommodated in the mounting hole. Good.

  In the above embodiment, the magnetic core 8 is provided on the tip end side of the sealing members 74 and 76. However, the present invention is not limited to this. The magnetic core 8 is closer to the electric wire holding member 32 than the sealing members 74 and 76. You may comprise so that it may provide. In this case, for example, the magnetic core accommodation groove 81 opened on the housing 5 side is formed in the end face of the seal holding member 72 on the housing 5 side to accommodate the magnetic core 8 and the end of the insertion hole 71 on the tip side The inner peripheral seal member 74 may be accommodated by forming the inner peripheral seal member groove 73 on the side, and the positions of the magnetic core 8 and the inner peripheral seal member 74 may be interchanged. In this case, the cap 82 prevents the inner peripheral seal member 74 from falling off.

  Moreover, although the case where the electric wire 2 is three was demonstrated in this Embodiment, the number of the electric wires 2 is not limited, For example, one electric wire 2, two, or four or more may be sufficient. .

DESCRIPTION OF SYMBOLS 1 ... Wire harness 2 ... Electric wire 3 ... Connector 5 ... Housing 6 ... Shield shell 8 ... Magnetic body core 31 ... Receiving member 32 ... Electric wire holding member 62 ... Flange part (fixed part)
71 ... insertion hole 72 ... seal holding member (housing member side housing)
78 ... inner wall portion 79 ... outer wall portion

Claims (7)

A connector provided at the end of the wire,
A receiving member that has an insertion hole through which the electric wire is inserted, and is accommodated in a mounting hole formed in the mounting member;
An electric wire holding member disposed along the electric wire, the electric wire holding member being arranged side by side with the received member and holding the electric wire and having a fixing portion for fixing the electric wire to the attached member;
The receiving member is
An accommodated member side housing provided so as to cover the outer periphery of the electric wire and having an inner wall portion harder than the electric wire;
And an annular magnetic core made of nanocrystalline soft magnetic material provided around the inner wall portion,
connector. The magnetic core is provided so as not to protrude in the longitudinal direction of the electric wire than the inner wall portion.
The connector according to claim 1. The receiving member side housing is
A cylindrical outer wall provided so as to cover the inner wall and the magnetic core so as to sandwich the magnetic core between the inner wall and the inner wall;
And a restricting portion that restricts movement of the magnetic core along the longitudinal direction of the electric wire.
The connector according to claim 1 or 2. The receiving member includes an outer peripheral sealing member which is held by the outer peripheral surface of the receiving member side housing and seals a space between the inner surface of the mounting hole and the receiving member side housing.
The accommodated member side housing is movable relative to the wire holding member when the wire holding member is fixed to the attached member.
The connector according to any one of claims 1 to 3. The accommodated member includes an inner circumferential seal member which is held by the inner circumferential surface of the insertion hole and seals between the insertion hole and the electric wire.
The magnetic core is provided at a position not overlapping the outer peripheral seal member and the inner peripheral seal member in the longitudinal direction of the electric wire.
The connector according to claim 4. The housing member side housing includes a plurality of the insertion holes, and the plurality of electric wires are inserted into the plurality of insertion holes,
The magnetic core is provided to collectively cover the plurality of electric wires.
The connector according to any one of claims 1 to 5. With the electric wire,
A connector according to any one of claims 1 to 6,
Wire harness.

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