JP2011021710A - Fixture for wiring harness - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fixture for a wiring harness capable of removing the wiring harness by a small force, and capable of removing the whole of the fixture for the wiring harness from a panel. <P>SOLUTION: A clip 1 for wiring as the fixture for the wiring harness fixes the wiring harness 11 to the panel 10. The clip 1 for wiring includes an attaching part 2 attached to the wiring harness 11, and a locking part 3 locked to a hole 10a of the panel 10. The locking part 3 includes an erected piece 31 erected from the attaching part 2, a locking piece 32 adjacent to a tip 31a as an end of the erected piece 31 provided so as to be tiltable to a direction separated from the erected piece 31 as approaching the attaching part 2, and locked to the hole 10a of the panel 10, and a through-hole 35 penetrating a portion sided to the attaching part 2 out of one end 32a as a base end adjacent to the erected piece 31 of the locking piece 32. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a wire harness fixture for fixing a wire harness to a panel constituting a vehicle body such as an automobile as a moving body.

  Various electronic devices are mounted on automobiles or the like as moving bodies. In order to transmit electric power from a power source such as a battery, a control signal from a control device, and the like to the electronic device, the automobile is wired with a wire harness. The wire harness includes a plurality of electric wires and a connector attached to an end portion of the electric wires.

  Each of the electric wires is a so-called covered electric wire provided with a conductive core wire and an insulating covering portion that covers the core wire. The connector includes a terminal fitting electrically connected to the core wire of the electric wire, and an insulating connector housing that houses the terminal fitting. The connector is connected to a connector of an electronic device. The wire harness transmits electric power and various signals to the electronic device.

  Conventionally, a wire harness fixture (see, for example, Patent Document 1) is used to fix the above-described wire harness to a panel constituting a vehicle body. Such a wire harness fixture is made of synthetic resin, and integrally includes a flat mounting portion and a locking portion.

  The locking part is integrally provided with a standing piece standing from the mounting part and a pair of locking pieces. A V-shaped notch is formed on the surface on the base end side that is continuous with the mounting portion of the standing piece so that the base end can be easily broken.

  One end of the locking piece is connected to the tip of the standing piece. The other end portions of the pair of locking pieces are spaced from each other and spaced from the standing piece. The pair of locking pieces is arranged so as to gradually approach the mounting portion as it goes from one end to the other end. The pair of locking pieces are gradually separated from each other and gradually separated from the standing piece as they move from one end to the other end. The pair of locking pieces are formed in a mountain shape when viewed from the side. The pair of locking pieces are elastically deformable in a direction in which the other end portions approach each other.

  Moreover, the notch is provided in the other end part of the latching piece. The notch cuts out the outer edge of the other end of the locking piece. The notch is locked to the inner edge of the hole provided in the panel, and the locking piece is locked to the hole of the panel.

  The above-described wire harness fixture is attached to the wire harness by superimposing the wires of the wire harness on the attachment portion, and winding an adhesive tape or the like around the attachment portion and the outer periphery of the wire.

  And a pair of locking piece is inserted in the hole of a panel. The pair of locking pieces are elastically deformed once in a direction in which the other end portions approach each other. Thereafter, when the other end portions of the pair of locking pieces enter the hole, the other end portions of the pair of locking pieces are displaced in a direction away from each other by an elastic restoring force. And a notch contacts and locks the inner edge of a hole, and a latching | locking part latches in the hole of a panel. Thus, the wire harness fixture fixes the wire harness to the panel.

  When the wire harness fixed to the panel with the wire harness fixture described above is removed from the panel, the wire harness is pulled away from the panel. Then, the said base end part fractures | ruptures by the notch formed in the base end part of the standing piece of a wire harness fixing tool, and a wire harness is removed from a panel.

  When the notch is not formed, the wire harness is pulled to break the adhesive tape wound around the wire harness while leaving the wire harness fixture on the panel, and the wire harness is removed from the panel. By forming a notch in the standing piece, the wire harness can be removed with a smaller force than when the adhesive tape is broken.

JP-A-9-23541

  However, when the wire harness is removed from the panel by breaking the standing piece of the wire harness fixture as described above, the locking portion of the wire harness fixture remains on the panel side, and the wire harness fixture The whole could not be removed from the panel. As a result, for example, there is a problem that the recyclability at the time of dismantling the automobile is lowered.

  The present invention aims to solve such problems. That is, an object of the present invention is to provide a wire harness fixture that can remove the wire harness with a smaller force and that can remove the entire wire harness fixture from the panel.

  In order to solve the above problems and achieve the object, the invention described in claim 1 includes an attachment portion attached to a wire harness, and an engagement portion connected to the attachment portion and engaged with a hole of the panel. A wire harness fixture for fixing the wire harness to the panel, wherein the locking portion is a standing piece standing from the attachment portion, and an end of the standing piece away from the attachment portion A locking piece that is provided in an inclined manner in a direction away from the standing piece as it is connected to the mounting portion and approaches the mounting portion, and that locks into the hole of the panel; and the standing piece of the locking piece. A wire harness fixing tool comprising a through hole penetrating through a portion near the mounting portion of the base end portions.

  According to a second aspect of the present invention, in the wire harness fixture according to the first aspect, the base end portion of the locking piece is formed thinner than other portions of the locking piece. This is a wire harness fixture.

  According to the first aspect of the present invention, the base end portion of the locking piece is formed by the through hole so that the portion near the attachment portion is thinner than the portion away from the attachment portion. For this reason, when the wire harness is pulled, only the portion near the mounting portion of the base end portion of the locking piece is broken, and the locking piece is reversed around the portion away from the mounting portion of the base end portion. It is turned up and the locking of the locking piece to the panel hole is released. Therefore, the wire harness fixture is not separated into a plurality, and the entire wire harness fixture can be reliably removed from the panel. In addition, it is only necessary to break the portion near the thin mounting portion of the base end portion of the locking piece, so that the wire harness can be detached from the panel with a smaller force, and the work time for removing is shortened. it can. Moreover, since the material which comprises the fixing tool for wire harnesses can be reduced by providing a through-hole, the fixing tool for wire harnesses can be reduced in weight and manufacturing cost can be reduced.

  According to the invention described in claim 2, the base end portion of the locking piece is formed thin. For this reason, the base end portion of the locking piece can be broken with a smaller force, and the wire harness can be detached from the panel with a smaller force.

It is a perspective view which shows the clip for wiring as a fixing tool for wire harnesses concerning one Embodiment of this invention. It is a bottom view which expands and shows the principal part of the clip for wiring shown by FIG. It is a front view which expands and shows the principal part of the clip for wiring shown by FIG. It is a front view which shows the state which the clip for wiring shown by FIG. 1 attached the wire harness to the panel. It is a front view which shows the state which a part of one end part as a base end part of the latching piece of the wiring clip shown by FIG. 4 fractured | ruptured. It is a front view which shows the state which the latching piece of the clip for wiring shown by FIG. 5 released the latching to the hole of a panel.

  Hereinafter, a wiring clip 1 as a wire harness fixture according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6. A wiring clip 1 shown in FIG. 1 or the like according to an embodiment of the present invention is configured to connect a wire harness 11 (indicated by a one-dot chain line in FIG. 4 or the like) routed to an automobile as a moving body to a panel 10 ( Used to fix to FIG.

  The wire harness 11 includes a plurality of electric wires and connectors attached to ends of the electric wires. The electric wire is a covered electric wire including a conductive core wire and an insulating covering portion that covers the core wire. The connector includes a conductive terminal fitting and an insulating connector housing. The terminal fitting is electrically connected to the core wire of the electric wire. The connector housing is formed in a box shape and accommodates the terminal fitting inside. In the wire harness 11, a connector is coupled to a connector of various electronic devices, and transmits electric power and various signals to these electronic devices.

  The panel 10 constitutes the body of the automobile. The panel 10 is provided with a hole 10 a penetrating the panel 10. The hole 10a is formed in a circular shape in plan view.

  The wiring clip 1 is made of synthetic resin. As shown in FIG. 1, the wiring clip 1 integrally includes a mounting portion 2 attached to the wire harness 11, a locking portion 3 that locks into the hole 10 a of the panel 10, and a support piece 4.

  As shown in FIG. 1, the mounting portion 2 is integrally provided with a box-shaped main body portion 21 and a band 22 connected to the main body portion 21. A locking hole 21 a that locks the band 22 through the band 22 passes through the main body 21. A locking projection for locking the band 22 protrudes from the inner surface of the locking hole 21a.

  The band 22 has flexibility. One end of the band 22 is connected to the main body 21. The band 22 is wound around the outer periphery of the electric wire of the wire harness 11. A plurality of serrated locking projections (not shown) are formed on the surface of the band 22 away from the outer periphery of the electric wire.

  In the mounting portion 2 having the above-described configuration, the other end portion side of the band 22 wound around the outer periphery of the electric wire is inserted into the locking hole 21a of the main body portion 21, and the band 22 tightens the electric wire into the locking hole 21a. Lock and attach to the wire harness 11. Thereafter, the other end of the band 22 protruding from the locking hole 21a is appropriately cut. In the example of illustration, the band 22 which cut | disconnected this is shown.

  The locking portion 3 is continuous with the main body portion 21 of the mounting portion 2. As shown in FIG. 1, the locking portion 3 is integrally provided with a standing piece 31 erected from the mounting portion 2 and a pair of locking pieces 32. The standing piece 31 is formed in a prismatic shape. The standing piece 31 is erected from the surface of the main body portion 21 on the side away from the band 22 and is erected from the attachment portion 2. The standing piece 31 is erected along a direction orthogonal to the surface of the main body 21.

  In the pair of locking pieces 32, one end portion (base end portion) 32 a is connected to a distal end portion 31 a that is separated from the mounting portion 2 of the standing piece 31. The distal end portion 31 a forms an end portion on the side away from the mounting portion 2 of the standing piece 31. Further, the other end portions 32 b (tip portions) of the pair of locking pieces 32 are spaced from each other and spaced from the standing piece 31.

  Then, the pair of locking pieces 32 are arranged so as to gradually approach the attachment portion 2 from the one end portion 32a toward the other end portion 32b. The pair of locking pieces 32 are gradually separated from each other and gradually separated from the standing piece 31 as they go from the one end portion 32a to the other end portion 32b. The pair of locking pieces 32 are formed in a mountain shape when viewed from the side. The pair of locking pieces 32 are elastically deformable in a direction in which the other end portions 32b approach each other.

  As shown in FIG. 2, the one end 32 a of the locking piece 32 described above is formed thinner than the other part of the locking piece 32 by the slit 33. The slits 33 are provided on the surfaces 32 c and 32 c (FIG. 2) of each locking piece 32, and a pair of slits 33 are provided on each locking piece 32. The pair of slits 33 are formed at the same position in the longitudinal direction of the locking piece 32. The slit 33 is formed in a concave groove shape from the surfaces 32c and 32c, and is formed over the entire length T1 (described later) of the locking piece 32 as shown in FIG.

  Further, as shown in FIG. 3, a through hole 35 penetrates the one end portion 32 a of the locking piece 32. The through hole 35 is formed in an oval shape in plan view. The through hole 35 penetrates the one end 32 a of the locking piece 32 along the width direction W (described later) of the locking piece 32. The through hole 35 passes through a portion of the one end portion 32 a of the locking piece 32 that is close to the attachment portion 2. For this reason, the one end portion 32a of the locking piece 32 has a portion (hereinafter referred to as “connecting portion 37”) in which the thickness Ta of the portion near the attachment portion 2 (hereinafter referred to as “breaking portion 36”) is separated from the attachment portion 2. The thickness Tb).

  Note that the width direction of the locking piece 32 indicates the direction indicated by the arrow W in FIGS. 1 and 2. Further, the thickness direction of the locking piece 32 indicates a direction orthogonal to the arrow W, and the thickness direction of the locking piece 32 at the one end portion 32a of the locking piece 32 is shown in FIGS. It points in the direction indicated by arrow T1.

  Further, a stepped notch 38 is provided at the other end 32 b of the locking piece 32. The cutout 38 cuts out the outer edge portion of the other end portion 32 b of the locking piece 32. The notch 38 is locked to the inner edge of the hole 10a of the panel 10, and the locking piece 32 is locked to the hole 10a.

  The support piece 4 is formed in an annular shape. The support piece 4 has an inner edge portion that is connected to a proximal end portion of the standing piece 31 near the attachment portion 2. The support piece 4 extends from the standing piece 31 to the outside of the standing piece 31. The support piece 4 is slightly inclined with respect to the surface of the attachment portion 2 in a direction of gradually separating from the attachment portion 2 as it goes from the inner edge portion to the outer edge portion.

  The wiring clip 1 having the above-described configuration fixes the wire harness 11 to the panel 10 as follows. First, the electric wire of the wire harness 11 is overlapped on the main body portion 21 of the attachment portion 2, and the band 22 is wound around the outer periphery of the electric wire. Then, the band 22 is locked in the locking hole 21a of the main body 21 with the electric wire clamped by the band 22, and unnecessary portions of the band 22 protruding from the locking hole 21a are appropriately cut. Thus, the attachment portion 2 is attached to the wire harness 11.

  Then, the latching | locking part 3 is made to oppose with the hole 10a of the panel 10. FIG. The locking portion 3 is inserted into the hole 10a from the one end portion 32a of the pair of locking pieces 32 and the tip portion 31a of the standing piece 31. Then, the locking piece 32 is temporarily elastically deformed in the direction in which the other end portions 32b approach each other. Thereafter, when the other end portion 32b of the pair of locking pieces 32 enters the hole 10a, the other end portions 32b of the pair of locking pieces 32 are displaced in a direction away from each other by the elastic restoring force.

  And the notch 38 contacts and locks the inner edge of the hole 10a, and the latching | locking part 3 latches to the hole 10a of the panel 10. FIG. Then, the outer edge portion of the support piece 4 contacts the surface of the panel 10. In this way, the wiring clip 1 fixes the wire harness 11 to the panel 10 as shown in FIG.

  Moreover, the wire harness 11 fixed to the panel 10 with the wiring clip 1 as described above is removed from the panel 10 as follows. First, the wire harness 11 is pulled in the direction of arrow A in FIG. Then, external force concentrates on one end portion 32a of the locking piece 32 formed thin. Furthermore, this external force acts on the thinner rupture portion 36 of the one end portion 32a to break the rupture portion 36 as shown in FIG.

  When the wire harness 11 is further pulled in the direction of arrow A, as shown in FIG. 6, since the notch 38 is locked to the inner edge of the hole 10a, the locking piece 32 is reversed around the connecting portion 37. After turning up, the notch 38 is unlocked from the inner edge of the hole 10a. And the latching | locking part 3 is taken out from the hole 10a of the panel 10 in the state which the latching piece 32 continued to the standing piece 31 via the connection part 37. FIG. Thus, the entire wiring clip 1 is removed from the hole 10 a of the panel 10 without the locking piece 32 being detached from the standing piece 31. The wire harness 11 is removed from the panel 10 as described above.

  According to the present embodiment, the one end portion 32 a of the locking piece 32 is formed by the through hole 35 so that the fracture portion 36 near the attachment portion 2 is thinner than the connection portion 37 that is separated from the attachment portion 2. For this reason, when the wire harness 11 is pulled, only the breaking portion 36 of the locking piece 32 is broken, and the locking piece 32 is turned upside down around the connecting portion 37. The locking to the hole 10a is released.

  Therefore, the wiring clip 1 is not separated into a plurality of pieces, and the entire wiring clip 1 can be reliably removed from the panel 10. In addition, since only the thin broken portion 36 of the one end portion 32a of the locking piece 32 has to be broken, the wire harness 11 can be detached from the panel 10 with a smaller force, and the work time for removal can be shortened. . Moreover, since the material which comprises the clip 1 for wiring can be reduced by providing the through-hole 35, the clip 1 for wiring can be reduced in weight and manufacturing cost can be reduced.

  Further, the one end portion 32 a of the locking piece 32 is formed thin by the slit 33. For this reason, the breaking portion 36 can be broken with a smaller force, and the wire harness 11 can be detached from the panel 10 with a smaller force.

  In the embodiment described above, the attachment portion 2 is attached to the wire harness by winding the band 22 around the wire of the wire harness 11. However, in the present invention, the attachment portion 2 may have any shape. For example, the attachment portion 2 may be formed in a flat plate shape, and the wire harness 11 may be attached by winding an adhesive tape or the like, or a cylindrical protector or the like. .

  The above-described embodiments are merely representative examples of the present invention, and the present invention is not limited to the above-described embodiments. That is, various modifications can be made without departing from the scope of the present invention.

1 Wiring clip (fixture for wiring harness)
2 Attachment part 3 Locking part 10 Panel 10a Hole 11 Wire harness 31 Standing piece 31a Tip part (end part)
32 Locking piece 32a One end (base end)
35 Through hole

Claims (2)

In the wire harness fixture for fixing the wire harness to the panel, comprising: an attachment portion attached to the wire harness; and an engagement portion that is connected to the attachment portion and is engaged with a hole of the panel.
The locking portion is
A standing piece erected from the mounting portion;
A member that is connected to an end of the standing piece away from the mounting portion and is inclined in a direction away from the standing piece as it approaches the mounting portion, and is engaged with the hole of the panel. A piece,
A fixing tool for a wire harness, comprising: a through hole penetrating a portion closer to the mounting portion of a base end portion connected to the standing piece of the locking piece.   The wire harness fixture according to claim 1, wherein the base end portion of the locking piece is formed thinner than other portions of the locking piece.

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