WO2018139199A1

WO2018139199A1 - Holder

Info

Publication number: WO2018139199A1
Application number: PCT/JP2018/000317
Authority: WO
Inventors: 将志林
Original assignee: 住友電装株式会社
Priority date: 2017-01-26
Filing date: 2018-01-10
Publication date: 2018-08-02
Also published as: JP2018121465A

Abstract

This holder 30 is attached to a shield pipe 23 which is a protective tube into which an electric wire 21 is inserted. The holder 30 has a restricting part 32 which restricts the arrangement position of the electric wire 21 and which can hold part of the electric wire 21 drawn out from the shield pipe 23 and fix the drawn-out state of the electric wire 21.

Description

holder

The present invention relates to a holder.

Conventionally, a vehicle such as an electric vehicle or a hybrid vehicle includes a wire harness that electrically connects, for example, a battery and an inverter as equipment mounted on the vehicle. This wire harness is routed, for example, under the floor of a vehicle. The wire harness includes a plurality of electric wires and a protective tube that covers the plurality of electric wires. (For example, refer to Patent Document 1).

JP-A-2015-35915

By the way, in the wire harness as described above, the electric wire drawn from the pipe is connected to the connecting member on the equipment side by a terminal fitting attached to the end of the electric wire. For this reason, connection may be difficult depending on the length of the electric wire drawn from the pipe. For this reason, it is required to regulate the drawing of the electric wire from the pipe.

The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a holder that can regulate the drawing of the electric wire from the protective tube.

The holder that solves the above-described problem is a holder that is attached to a protective tube through which an electric wire is inserted, restricts the position of the electric wire drawn out from the protective tube, and is used for the electric wire drawn out from the protective tube. It has a restricting portion that holds the portion and can fix the lead-out length of the electric wire.

According to this configuration, the holder attached to the protective tube has the restricting portion. The restricting portion restricts the arrangement position of the electric wire and sets the drawing length of the electric wire drawn from the protective tube.

In the holder described above, it is preferable that the restricting portion is formed so as to extend along a direction in which the electric wire is drawn out and to be taped together with the electric wire.
According to this configuration, the tape is wound from the extended restricting portion to the electric wire, thereby restricting the movement of the electric wire and suppressing the change in the drawing length of the electric wire.

The holder includes a plurality of divided bodies connected to each other by hinges, the restricting portion is formed by a base portion and a holding portion formed in the plurality of divided bodies, and the holding portion is connected to the electric wire from the base portion. It is preferable to extend along the pull-out direction.

According to this structure, it becomes easy to hold | maintain an electric wire to a holder by opening the holder which consists of a division body connected with the hinge.
The holder preferably includes a locking piece inserted into the protective tube, and a locking protrusion formed on an outer surface of the locking piece and capable of being locked to the protective tube.

According to this configuration, the holder is easily fixed to the end portion of the protective tube by the locking projection.
In the above holder, the protective tube is a protective tube through which a plurality of the electric wires are inserted, and the restricting portion holds the plurality of electric wires so as to be integrated at the center of the protective tube and is integrated. It is preferable that it is formed in the cylinder shape which covers the outer peripheral surface of the said some electric wire.

According to this configuration, since the plurality of electric wires drawn out from the protective tube by the restricting portion are held so as to be bundled at the center of the protective tube, the covering of each electric wire is hardly damaged by the edge of the protective tube.

According to the holder of the present invention, it is possible to regulate the drawing of the electric wire from the protective tube.

Schematic which shows the wiring state of a wire harness. Explanatory drawing of the holder with which the shield pipe was mounted | worn. (A) is explanatory drawing of the holder seen from the front end side, (b) is a side view of a holder. (A) (b) is explanatory drawing of a holder when fixing an electric wire. Explanatory drawing of the holder which the electric wire was fixed. (A) is a side view of another holder. (B) is explanatory drawing of the holder with which the corrugated tube was mounted | worn.

Hereinafter, each embodiment will be described.
In the accompanying drawings, components may be shown in an enlarged manner for easy understanding. The dimensional ratios of the components may be different from the actual ones or in other drawings. Further, in the cross-sectional view, some components may not be hatched for easy understanding.

1 is, for example, a hybrid vehicle or an electric vehicle. The vehicle 10 includes an inverter 11 as a device, a high voltage battery 12, and a wire harness 20 that electrically connects the inverter 11 and the high voltage battery 12. The inverter 11 is mounted in front of the vehicle 10, and the high voltage battery 12 is mounted in the rear of the vehicle 10.

The wire harness 20 has a plurality of (for example, three) electric wires 21 (see FIG. 2) and a protective tube 22 through which the electric wires 21 are inserted. The protective tube 22 includes a shield pipe 23 and braided

members

24 and 25 disposed at both ends of the shield pipe 23. The shield pipe 23 is made of a conductive metal material (for example, an aluminum alloy). The shield pipe 23 is routed so as to pass under the floor of the vehicle 10 and is bent into a predetermined shape. The braided member 24 connects the end of the shield pipe 23 and the inverter 11, and the braided member 25 connects the end of the shield pipe 23 and the high-voltage battery 12. The braided

members

24 and 25 are formed by knitting a large number of metal wires (for example, fine wires of aluminum alloy, stainless steel, copper, copper alloy, etc.) into a mesh shape into a cylindrical shape. The braided

members

24 and 25 are connected to the shield pipe 23 by caulking a metal caulking ring fitted at the end thereof.

As shown in FIG. 2, a holder 30 is attached to the end of the shield pipe 23. The holder 30 has a function of covering the end of the shield pipe 23 and protecting the covering of the electric wire 21 from the edge of the end of the shield pipe 23. The holder 30 has a function of setting and maintaining the arrangement positions (arrays) of the plurality of electric wires 21. Furthermore, the holder 30 has a function for restricting the movement of the electric wire 21 with respect to the shield pipe 23.

The holder 30 has a fixed portion 31 and a restricting portion 32 extending from the fixed portion 31 along the extending direction of the electric wire 21. The holder 30 is fixed to the shield pipe 23 so as to cover the edge of the shield pipe 23 by the fixing portion 31. The restricting part 32 restricts the arrangement positions of the plurality of electric wires 21 drawn out from the shield pipe 23. Further, the restricting portion 32 arranges the plurality of electric wires 21 at a predetermined drawing position with respect to the shield pipe 23. Further, the restricting portion 32 restricts the movement of the plurality of electric wires 21 with respect to the shield pipe 23.

The shield pipe 23 is made of a conductive metal material such as an aluminum alloy. For this reason, the edge of the shield pipe 23 may damage the covering of the plurality of electric wires 21 inserted through the shield pipe 23. The holder 30 protects the covering of the plurality of electric wires 21 by holding the plurality of electric wires 21 at a desired drawing position at the opening end of the shield pipe 23. In the present embodiment, the restriction portion 32 of the holder 30 sets the drawing position at the center of the shield pipe 23 and bundles and holds the plurality of wires at the drawing position, thereby protecting the covering of the plurality of wires 21.

The shield pipe 23 is subjected to bending work so as to be routed under the floor of the vehicle after the plurality of electric wires 21 are inserted. For this reason, there is a possibility that the lengths (drawing lengths) of the plurality of electric wires 21 drawn from the ends of the shield pipe 23 may be changed by bending the shield pipe 23. The restriction part 32 of the holder 30 enables winding of the tape around the holder 30 and the plurality of electric wires 21. As shown in FIG. 5, the tape 38 is wound around the restriction portion 32 of the holder 30 and the plurality of electric wires 21 drawn from the restriction portion 32. This tape winding restricts the relative movement of the plurality of electric wires 21 with respect to the holder 30, that is, the movement of the plurality of electric wires 21 with respect to the shield pipe 23. That is, the holder 30 can restrict the movement of the plurality of electric wires 21 with respect to the shield pipe 23. Thereby, the change of the extraction length of the some electric wire 21 pulled out from the shield pipe 23 is suppressed.

Next, the holder 30 will be described in detail.
As shown in FIGS. 3A and 3B, the holder 30 includes a plurality of (two in this embodiment) divided

bodies

41a and 41b, and a hinge 42 that connects the divided

bodies

41a and 41b to each other. have. The two divided

bodies

41 a and 41 b are symmetrical with each other, and the lower ends thereof are connected by a hinge 42. The hinge 42 has flexibility.

As shown in FIG. 4A and FIG. 4B, in the present embodiment, the holder 30 includes two divided

bodies

41a and 41b connected by a flexible hinge 42, with the hinge 42 as a starting point. It is a single part that can be opened and closed. And the above-mentioned fixing | fixed part 31 and the control part 32 are formed of the

division bodies

41a and 41b. In the following description, the shape of the holder 30 may be described in a state where the divided

bodies

41a and 41b are combined.

As shown in FIG. 3B, the fixing portion 31 includes fixing

portions

51a and 51b formed on the divided

bodies

41a and 41b, respectively, and locking

pieces

52a and 52b extending from the fixing

portions

51a and 51b. Have. The fixing

parts

51a and 51b are formed in a semicircular shape, and these fixing

parts

51a and 51b form a substantially annular fixing part 31. The fixing portion 31 is inserted into the shield pipe 23 as shown in FIG.

As shown in FIG. 3B, locking

protrusions

53a and 53b are formed on the outer surfaces of the locking

pieces

52a and 52b, respectively. These locking

projections

53a and 53b are locked in locking

holes

23a and 23b formed in the shield pipe 23 as shown in FIG. The holder 30 is fixed to the end portion of the shield pipe 23 by the locking

projections

53a and 53b locked to the locking holes 23a and 23b.

As shown in FIGS. 3A and 3B, the restricting portion 32 includes

base portions

61a and 61b formed on the divided

bodies

41a and 41b, and holding

portions

62a and 62b extending from the

base portions

61a and 61b, respectively. have. The

bases

61a and 61b are formed in a substantially semicircular shape. As shown in FIG. 2, the

bases

61 a and 61 b are formed so as to cover the edge of the shield pipe 23.

As shown in FIG. 3A, the

base portions

61a and 61b form a disk-shaped array portion 33. The arrangement portion 33 is formed by bundling a plurality (three in this embodiment) of electric wires 21 (see FIG. 4B) at the center and matching the three circles in contact with the electric wires 21. Through-hole 33X, and the electric wire 21 is disposed in the through-hole 33X. The

base portions

61a and 61b have end portions having a shape obtained by dividing the through hole 33X.

The holding

portions

62a and 62b are formed so as to cover the plurality of electric wires 21 drawn from the shield pipe 23 shown in FIG. These holding

portions

62 a and 62 b form a restricting portion 34 that restricts the movement of the electric wire 21. The restricting portion 34 is formed in a cylindrical shape extending from the end portion of the through hole 33X in the drawing direction of the electric wire 21 (right direction in FIG. 3B).

(Function)
Next, the operation of the holder 30 will be described.
As shown in FIG. 4A, the holder 30 includes two divided

bodies

41a and 41b and a hinge 42 that connects the divided

bodies

41a and 41b to each other. Therefore, the holder 30 is opened so that the divided

bodies

41a and 41b on the opposite side to the end connected by the hinge 42 are separated from each other. Thereby, the electric wire 21 can be easily arranged in the arrangement portion 33 and the restriction portion 34 of the holder 30. And as shown in FIG.4 (b), it can be set as the state which bundled the some electric wire 21 by closing the holder 30. FIG. And when arrange | positioning in the holder 30, the arrangement position (array) of the electric wire 21 can be set by adjusting the arrangement position of the electric wire 21. FIG.

As shown in FIG. 5, the holder 30 provided with the plurality of electric wires 21 is attached to the shield pipe 23. The electric wire 21 is arranged at the center of the shield pipe 23 in a bundled state by the restriction portion 32 of the holder 30. For this reason, the electric wire 21 does not touch the edge of the shield pipe 23.

Then, after adjusting the pull-out amount of the electric wire 21, tape winding is performed in which the tape 38 is wound around the electric wire 21 from the restriction portion 34 of the holder 30. The movement of the electric wire 21 is restricted by the tape 38 wound in this way. For this reason, even if the shield pipe 23 is bent or the like, the drawing amount of the electric wire 21 does not change.

As described above, according to the present embodiment, the following effects can be obtained.
(1) The holder 30 is attached to a shield pipe 23 as a protective tube through which a plurality of electric wires 21 are inserted. The holder 30 has a restricting portion 32 that restricts the arrangement positions of the plurality of electric wires 21 and holds the portion of the electric wires 21 drawn out from the shield pipe 23 so that the drawing of the electric wires 21 can be fixed.

Therefore, the arrangement position of the plurality of electric wires 21 is regulated by the regulating unit 32, and the drawing length of the plurality of electric wires 21 drawn from the protective tube is set. If the arrangement position of the electric wire 21 is different, even if the electric wire has a desired drawing length, it cannot be connected to a predetermined location. Also, the connection cannot be made even if the drawer length changes. On the other hand, each electric wire 21 can be connected to a predetermined location by setting the arrangement position and the drawing length of the plurality of electric wires 21.

(2) The restricting portion 32 is formed so as to extend along the direction in which the plurality of electric wires 21 are pulled out, and is formed so as to be taped together with the plurality of electric wires 21. Therefore, by winding the tape 38 from the extended restriction portion 32 to the plurality of electric wires 21, the movement of the plurality of electric wires 21 is restricted, and the change in the drawing length of each electric wire 21 can be suppressed.

(3) The regulating portion 32 is formed in a cylindrical shape that holds the plurality of electric wires 21 so as to be gathered at the center of the shield pipe 23 and covers the outer peripheral surface of the plurality of collected electric wires 21. Therefore, since the plurality of electric wires 21 are held by the restricting portion 32 so as to be bundled at the center of the shield pipe 23, the covering of each electric wire 21 can be prevented from being damaged by the edge of the shield pipe 23.

(4) The holder 30 includes a plurality of divided

bodies

41a and 41b connected to each other by a hinge 42. The restricting portion 32 is formed by

base portions

61a and 61b formed on the plurality of divided

bodies

41a and 41b and a holding portion. Therefore, the electric wire can be easily held in the holder 30 by opening the holder 30 composed of the divided

bodies

41 a and 41 b connected by the hinge 42.

(5) The holder 30 includes locking

pieces

52a and 52b inserted into the shield pipe 23, locking

protrusions

53a and 53b that are formed on the outer surfaces of the locking

pieces

52a and 52b and can be locked to the shield pipe 23, Have Therefore, the holder 30 can be easily fixed to the end of the shield pipe 23 by the locking

protrusions

53a and 53b.

In addition, you may implement each said embodiment in the following aspects.
In the above embodiment, the holder 30 is attached to the shield pipe 23 as a protective tube, but may be a holder attached to another protective tube.

FIG. 6A and FIG. 6B show an example of a holder 80 attached to the corrugated tube 70 as a protective tube. The corrugated tube 70 is formed of a synthetic resin material in an integral and long cylindrical shape and has flexibility. The inner surface of the corrugated tube 70 is formed in a bellows shape in which peaks and valleys are repeated in the length direction. The holder 80 has locking

protrusions

83 a and 83 b that are locked to the valleys on the inner surface of the corrugated tube 70.

Although not shown in the figure, a braided member is disposed inside the corrugated tube 70. The braided member is formed, for example, by braiding a copper-based metal wire whose surface is tin-plated into a mesh and a long cylindrical shape, and functions as a shield. An electric wire is inserted through the braided member. The braided member is disposed between the holder 80 and the inner surface of the corrugated tube 70. The locking

protrusions

83a and 83b of the holder 80 are engaged with the corrugated tube 70 by, for example, spreading the mesh of the braided member and penetrating the braided member.

In the above-described embodiment, the holder 30 that holds three electric wires is used. However, the holder 30 may hold one, two, or four or more electric wires.
In the above embodiment, the holder 30 is formed by the two divided

bodies

41a and 41b connected by the single hinge 42, but the holder may be formed by three or more divided bodies.

The holder 30 of the above embodiment functions as an end plug having an axis that is configured to tightly fit the opening of the protective tube 23 from which a predetermined number (for example, three) of wires (21) are drawn. Can do. The array portion 33 can function as a radially outer portion or a flange configured to come into contact with or come into surface contact with the opening edge of the protective tube 23. The restricting portion 32 protrudes from the flange (33) and can function as an electric wire compression sleeve configured to compress the bundle of the predetermined number of electric wires (21) to the inside thereof. The fixing portion 31 protrudes from the flange (33) in the direction opposite to the wire compression sleeve (32), and functions as a plugging sleeve configured to tightly fit or at least partially come into surface contact with the inner surface of the protective tube 23. can do. The plugging sleeve (31) may be configured to surround the bundle of the predetermined number of wires (21) in a non-squeezed manner or in a loose or non-contact manner. As shown in FIG. 5, the wire compression sleeve (32) may be configured to tight fit or at least partially in surface contact with the outer surface of the bundle of the predetermined number of wires (21). In the example shown in FIG. 4B, the bundle of the predetermined number of electric wires (21) has a plurality of constrictions when viewed from the axial direction, and the electric wire compression sleeve (32) includes the predetermined number of electric wires (21 And a plurality of linear inward ridges parallel to the axis corresponding to the plurality of constrictions of the bundle. The wire compression sleeve (32) may have a substantially uniform thickness when viewed from the axial direction. As shown in FIG. 5, the plugging sleeve (31) may be configured to tight fit or at least partially in surface contact with the inner surface of the protective tube. As shown in FIG. 3B, a stepped portion may be formed by the outer surface of the plugging sleeve (31) and the flange (33). The step portion may be configured to be in surface contact with the inner surface and the opening edge of the protective tube 23. The step portion may be set to be substantially the same as the thickness of the tube wall of the protective tube 23. The end plug (30) may have all of the above features, but may have only some of the above features.

20 ... wire harness, 21 ... electric wire, 23 ... shield pipe (protection tube), 30 ... holder, 32 ... regulator, 41a, 41b ... divided body, 42 ... hinge.

Claims

A holder attached to a protective tube through which an electric wire is inserted,
It has a restricting portion that restricts the arrangement position of the electric wire drawn out from the protective tube and can hold the portion of the electric wire drawn out from the protective tube and fix the drawing length of the electric wire. And holder.
2. The holder according to claim 1, wherein the restricting portion is formed so as to extend along a drawing direction of the electric wire, and is formed so as to be capable of being wound with a tape together with the electric wire.
Including a plurality of divided bodies connected to each other by hinges, wherein the restricting portion is formed by a base portion and a holding portion formed in the plurality of divided bodies, and the holding portion extends from the base portion along a direction in which the electric wire is drawn out. The holder according to claim 1, wherein the holder is extended.
The locking piece inserted into the protective tube, and a locking protrusion formed on an outer surface of the locking piece and capable of being locked to the protective tube. The holder according to claim 1.
The protective tube is a protective tube through which a plurality of the electric wires are inserted,
The restriction part is formed in a cylindrical shape that holds the plurality of electric wires so as to be gathered at the center of the protective tube and covers an outer peripheral surface of the plurality of collected electric wires. The holder according to any one of 1 to 4.