JPH11155225A - Fitting for wire harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the workability and reliability of a fitting, which protects and holds a wire harness drawn out of the opening of a case, etc., by constituting the fitting in such a way that the fitting can be fixed to the opening of the case, etc., by easily attaching the fitting to the wire harness. SOLUTION: A frame-like main body 11 of a fitting, which demarcates a passing holes for passing a wire harness W when the main body 11 is positioned on the inner surface side of the opening of a case 1, is provided with elastically deformable fixing pawls 14 and 15, which are provided on both surface sides of the main body 11 and inclined inward, so that the pawls 14 and 15 are fixed by holding the edge of the opening of the case 1, end sections which are formed by cutting off one corner of the main body, hinge sections which turnably supports the end sections, a lock section which is provided to the end sections and connects the end sections to each other, and a holding plate 13 which is wound with a tape together with the wire harness W passing through the though-hole, so as to position and hold the wire harness W.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fitting for a wire harness, and for example, protects and holds the wire harness by attaching it to an opening of the case for extracting a wire harness connected to an electric device in the case. About things.

[0002]

2. Description of the Related Art Conventionally, power units and the like constituted by various electric parts and electric equipment such as circuit boards have been assembled in a case, and a wire harness connected to the electric equipment has been pulled out from an opening opening in the case. It is. Since the inner surface of the opening formed in the plate-like member such as this case has a broken surface, the wire harness W may be damaged if it comes into direct contact with the wire harness W, as shown in FIG. The grommet G is fixed so that the grommet G is not in contact with the opening 2 of the case 1. The grommet G is used irrespective of the necessity of waterproofing, and the opening 2 of the case 1 is circularly opened to correspond to the grommet G.

As a fitting for a wire harness for solving the same problem, a fitting formed in a frame shape so as to cover an inner surface of an opening of a case is disclosed in JP-A-4-21025. Proposed.

[0004]

However, in the case of such a conventional fitting for a wire harness, when the grommet G is used, it is necessary to widen the narrowed portion and insert the wire harness W. In addition, it is necessary to reduce the area to be expanded and fit it into the opening 2 of the case 1, and even if waterproofing is not required, it is necessary to perform a difficult operation.

[0005] Similarly, the mounting tool described in the above publication is
Wire harness W is inserted from the end and inserted inside (insertion hole)
It is difficult to work because it can not be inserted unless it is inserted. For this reason, the mounting fixture is used only in a separate process after the production of the wire harness W.
Cannot be attached to the wire harness W on the wiring diagram of the electric wire (so-called assembled board).

In addition, the direction in which the wire harness W is pulled out cannot be restricted, and there is a possibility that the connection with an electric component or the like is required if the wire harness W is not fixed in the case 1. Therefore, an object of the present invention is to improve workability and reliability by easily attaching a fixture to a wire harness and fixing it to an opening of a plate-shaped member.

[0007]

According to one aspect of the present invention, there is provided a wire harness fixture for mounting a plate-like member having an opening through which a wire harness is inserted into the plate-shaped member. And a mounting body formed in a frame shape so as to define an insertion hole through which the wire harness is inserted when being attached to the opening of the plate-shaped member and located on the inner surface side of the opening. A fixing portion that engages with an edge of the opening to hold the fixing body in a fixed state, and a pair of detachable expanding end portions that are partly openably separated from the frame shape of the mounting body. And a connecting portion formed at the expanding end and holding the connected state of the expanding end when engaged with each other.

According to the first aspect of the present invention, the mounting body is formed in a frame shape that defines an insertion hole for a wire harness and is positioned so as to cover the inner surface of the opening of the plate member. The fixed portion can be engaged with the edge of the opening to maintain the fixed state. Also, before this fixing, the wire harness can be positioned in the internal insertion hole from between the expandable end portions which can be separated from and separated from each other by detaching a part of the frame shape. The connecting portions can be engaged with each other to maintain the connected state. Therefore, even after the wire harness is manufactured, the wire harness can be attached in the middle of the wire harness, and thereafter, the wire harness can be easily fixed to the opening of the plate-shaped member to protect the wire harness from the opening.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, a holding portion for fixing and positioning and holding a wire harness is provided on the attachment body. It is. According to the second aspect of the present invention, the wire harness can also be held by the holding portion of the fixture main body and positioned and fixed to the opening of the plate member.
Therefore, it is possible to prevent the wire harness from moving due to vibration or the like.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the fixing portion includes a plate extending from one side of the edge of the through hole of the fixture body to the other side. It is characterized in that it is formed in an elastically deformable tapered shape that is inclined from a skirt portion smaller than the opening of the shaped member to a top portion larger than the opening. According to the third aspect of the present invention, the fixing portion for fixing the fixture main body to the edge of the opening of the plate-like member is formed from one surface side of the edge of the insertion hole to be defined to the other surface side, that is, It is formed in a tapered shape that is inclined to be elastically deformable inward in the thickness direction. Therefore, the fixture body is pressed by the insertion hole and the opening so as to be aligned with each other, so that the fixing portion is elastically deformed from the small hem portion into the opening portion to the large top portion, and then elastically returns to the opening portion. Can be fixed to the plate-like member by pressing the edge at the top.

[0011] The invention described in claim 4 is the first to third aspects of the present invention.
In addition to the configuration of the invention described in any one of the above, a hinge portion that allows rotation of the expanded end portion in the expanding direction is provided inside the expanded end portion. According to the fourth aspect of the present invention, the expanded end portion can be rotated and expanded by the inner hinge portion before the mounting body is attached to the opening of the plate-shaped member. Therefore, the expanded end can maintain the expanded state without applying force, and the mounting tool can be arranged at the mounting position, the electric wire can be positioned in the insertion hole, and can be mounted simultaneously with the production of the wire harness.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 to FIG. 3 are views showing an embodiment of a fitting for a wire harness according to the present invention. 1 to 3, reference numeral 10 denotes an attachment made of a resin material attached when the wire harness W is pulled out from a plate-like member such as a side surface of the case 1. The attachment 10 is a wire harness connected to an internal electric component or the like. The wire harness W is held by being fixed to a square opening 2 formed in the case 1 as a drawer port through which the W is inserted, and is prevented from being damaged by a broken surface of the inner surface of the opening 2.

The fixture 10 has a frame body 11 having an outer surface substantially identical to the inner surface of the opening 2 of the case 1.
Is located on the inner surface side of the opening portion 2 when it is fixedly mounted on the case 1 so as to define an insertion hole 12 through which the wire harness W is inserted, and a wire harness connected to an electric component or the like in the case 1. W is positioned by winding a tape T around a holding plate (holding portion) 13 formed on one side of the fixture main body 11 so as to extend in parallel with the insertion hole 12 before or after fixing to the case 1. It can be fixed. Therefore, the attachment 10 can protect the wire harness W from the opening 2 of the case 1, and at the same time, can position and fix the wire harness W in the opening 2 of the case 1 and regulate the drawing direction. Wiring harness W
Can be prevented from moving due to vibration or the like, thereby damaging the internal electric parts and the like and their connections.

Further, a fixing claw (fixing portion) 14 which engages with the edge of the opening 2 of the case 1 and holds the fixing state,
15 are provided on one side and the other side of the edge of the insertion hole 12 of the mounting body 11, and the fixing claws 14 provided on one side of the mounting body 11 face the other side (in the thickness direction). The top (tip) is inclined so as to be inward (inward), and is formed in a strip-like tapered shape in which the top (tip) is larger than the opening 2 of the case 1, and a fixing provided on the other surface side of the fixture body 11. Similarly, the claw 15 is formed in a tapered shape that is inclined toward one surface side. However, the fixed claw 15 is formed in a tapered shape in which the skirt (base end) is smaller than the opening 2 of the case 1. ing. Therefore, this mounting fixture 10 is designed such that the hem of the fixing claw 15 is
By pressing it along the opening 2 of the fixing claw 15
The fitting body 11 can be positioned within the opening 2 of the case 1 by elastically deforming the fitting body 11 into the opening 2 beyond the top thereof. In this case, the top of the fixing claw 14 is
The edge of the opening 2 can be pinched and fixed by pressing the edge of the opening 2 while pressing the edge of the fixing claw 15 while elastically deforming the edge. In this embodiment, both the fixed claws 14 and 15 are formed in a tapered shape.
Since the edge of the opening 2 of the case 1 can be pressed by only 15, it goes without saying that the fixing claw 14 may be formed in a flat plate shape facing the edge of the opening 2.

Here, the fixture 10 can cut off the corner of the frame shape of the fixture main body 11,
One of the ends (expanded ends) 11a and 11b at the time of separation is engaged with each other when they come close to each other to maintain the connection state, and the other ends have lock portions (connection portions) 16 and 17 of the engagement holes. A hinge portion 18 is provided at a corner adjacent to one end 11a to allow the end 11a to contact and separate from the other end 11b and rotate in the expanding direction. .
Therefore, the fixture 10 is connected to the end 11 of the fixture body 11.
a, 11b are expanded, and the wire harness W
Can be positioned and inserted in the insertion hole 12 even in the middle of the process. When the opening 2 of the case 1 is circular, a part of the circumference of the circular fitting body formed so as to correspond to the opening may be cut off to form an expanded end, and a hinge is provided at a position separated from the end. It goes without saying that it is easy to form the part.

As described above, in the present embodiment, the wire harness W drawn from the opening 2 of the case 1 is protected and protected.
The fixing device 10 for fixing includes an end portion 11a of the fixing device main body 11,
11b can be easily expanded and attached to the wire harness W, and a lock portion 1 between the ends 11a and 11b is provided.
After engaging and connecting 6 and 17, the opening 2 of the case 1
The edge of the opening 2 can be sandwiched and fixed by the fixing claws 14 and 15 only by pressing the fixing claws 14 and 15. The wire harness W is attached to the holding plate 13 before or after this mounting operation.
The positioning and fixing can be performed while restricting the pull-out direction only by winding up the tape. Therefore, the mounting operation of the mounting tool 10 for protecting and fixing the wire harness W can be easily performed, and at the same time, the movement of the wire harness W due to vibrations or the like is restricted so that the electric parts and the like in the case 1 are restricted. Can be prevented from being damaged, and workability and reliability can be improved.

Further, since the attachment 10 can maintain the state in which the ends 11a and 11b of the attachment main body 11 are expanded without applying a force, the attachment position (when the wire harness W itself is manufactured) can be maintained. It is possible to attach the wire harness W simultaneously with the production of the wire harness W by arranging it on a so-called assembly drawing board) and inserting an electric wire or the like into the insertion hole 12. Can be eliminated.

[0018]

According to the first aspect of the present invention, the mounting body that covers the inner surface of the opening of the plate-like member can be attached to the wire harness by expanding the expanded end.
Therefore, the attachment can be easily attached even from the middle of the wire harness and fixed to the opening of the plate-like member, and the work for protecting the wire harness from the opening of the plate-like member can be easily performed. .

According to the second aspect of the present invention, the wire harness can be positioned and fixed to the opening of the plate-like member while being held by the fixture body. Therefore, movement of the wire harness due to vibration or the like can be restricted, and damage to the connection between the wire harness and the electric device can be prevented. According to the third aspect of the present invention, the fixture main body is fixed to the opening of the plate-shaped member only by pressing the elastically deformable tapered fixing portion so as to align the insertion hole with the opening. Can be. Therefore, it can be easily fixed and attached to the opening of the plate member.

According to the fourth aspect of the present invention, the mounting body can rotate the expanded end by the hinge. Therefore, it is possible to maintain a state in which the expanded end portion of the fixture body is expanded, and it is possible to easily attach the wire harness, and to arrange the wire harness at the attachment position and attach the wire harness simultaneously with the production of the wire harness. Can be.

[Brief description of the drawings]

FIG. 1 is a view showing an embodiment of a wire harness attachment according to the present invention, wherein (a) is a perspective view and (b) is a longitudinal sectional view.

FIG. 2 is a perspective view illustrating its use.

FIG. 3 is a vertical cross-sectional view at the time of use.

FIG. 4 is a perspective view illustrating the related art.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case (plate-like member) 2 Opening 10 Fixture 11 Fixture main body 11a, 11b End (expanded end) 12 Insertion hole 13 Holding plate (holding) 14, 15 Fixing claw (fixing) 16, 17 Lock Part (connection part) 18 Hinge part W Wire harness

Claims (4)

[Claims] An attachment for a wire harness attached to an opening of a plate-like member having an opening through which a wire harness is inserted, wherein the attachment is attached to the opening of the plate-like member. An attachment body, which is formed on the inner surface side and formed in a frame shape so as to define an insertion hole through which the wire harness is inserted, is engaged with an edge of the opening to maintain a fixed state of the attachment body. A fixing portion, a pair of contactable and separable expanding ends separated so as to expand a part of the frame shape of the fixture body, and a pair of expanding ends formed at the expanding ends and engaged with each other. A fitting for a wire harness, comprising: a connecting portion for maintaining a connected state. 2. The fitting for a wire harness according to claim 1, wherein a holding portion for fixing and positioning and holding the wire harness is provided on the fitting main body. 3. The fixing portion has a hem portion smaller than the opening of the plate-like member from one side of the edge of the insertion hole of the fixture body to the other surface, and a top portion larger than the opening. The fitting for a wire harness according to claim 1 or 2, wherein the fitting is formed in a tapered shape that can be elastically deformed so as to incline. 4. The wire harness according to claim 1, wherein a hinge portion is provided inside the expanded end portion to allow rotation of the expanded end portion in the expanding direction. Mounting fixture.