JP4536522B2 - Wire harness protector - Google Patents

Description

  The present invention relates to a protector for a wire harness, and in particular, facilitates checking and drawing out an electric wire inserted through the protector.

In order to protect and restrict the direction of the wire harness used for wiring various electrical components mounted on the automobile, a protector made of a resin molded product that accommodates the wire harness is provided.
The present applicant provides such a protector in Japanese Patent Laid-Open No. 8-251756 (Patent Document 1) and the like. As shown in FIG. 8, the protector 1 includes a bowl-shaped main body 2 having a bottom wall and both side walls for housing the wire harness, and a lid 3 for closing the upper surface opening of the main body 1. A lock claw 5 provided on the lid 3 is engaged with the lock frame 4 to lock the main body 2 and the lid 3, and a wire harness is passed through the protector 1. The lock claw 5 is provided on the outer surface of the lock piece 6 protruding from the lid 3.

However, if a problem occurs in the electrical system and, for example, it is necessary to check the ignition signal wire, etc., the lock portion between the main body 2 and the lid 3 must be opened and the labor for removing the lid is troublesome. There is a problem that takes.
Moreover, there is a possibility that the lock portion is broken by turning the lock portion between the main body 2 and the lid 3 and the main body 2 and the lid 3 cannot be locked and connected again after checking the electric wire.

In the protector 1 provided in Patent Document 1, since the lid 3 is provided with the partial lids 3a and 3b, the electric wires can be checked by opening only the necessary partial lids 3a and 3b. However, even when opening the partial lids 3a and 3b, the lock portion with the main body 2 must be turned to release the lock. As described above, it takes time and the lock portion may be damaged.
JP-A-8-251756

  The present invention has been made in view of the above problems, and in a protector that allows a wire harness to pass therethrough, it is an object to provide a door that can be opened and closed on the lid so that the penetrated electric wire can be easily checked and pulled out. Yes.

In order to solve the above-described problems, the present invention provides a wire harness comprising a bowl-shaped main body having a bottom wall and both side walls for housing a wire harness routed in an automobile, and a lid for closing an upper surface opening of the main body. Protector for
A door for opening and closing a window formed in a part of the lid is provided, and one end of the door is connected to the lid through a first hinge portion, while a second hinge is provided at the other end of the door. A lock piece is continuously provided through the portion, and a lock claw is protruded from the outer surface tip of the lock piece,
The lock claw is engaged with a lock frame provided on the main body or the lid to close the window. On the other hand, when the outer surface of the lock piece is pressed, the lock piece is rotated with the second hinge portion as a fulcrum. The lock claw is detached from the lock frame, and the door can be rotated in the opening direction with the first hinge portion as a fulcrum.
The door side of the second hinge portion, before Symbol projected an inner side facing the inner wall that is wider than the width of the locking piece in the locked position piece, the lock along the width direction of both side ends of the inner wall A rib for protecting the side plate-like lock piece is provided with a gap from the piece, and a rib surrounding the three sides of the door excluding the side where the lock piece is provided is provided on the upper surface of the lid. The protector for wire harnesses characterized by the above is provided.

According to the above configuration, the lock piece is connected to the door provided on the lid via the hinge portion, and the lock piece can be rotated in the direction away from the lock frame by pressing the lock piece. By simply pressing, the lock connection between the door and the main body or the lid can be released, and the door can be easily opened without hitting the lock portion.
Therefore, when a fault occurs in the electrical system and the wire harness penetrated through the protector is checked, the door is opened by the above operation, and the wire harness in the protector is easily checked through the window. The required wire can be pulled out from the window.
Further, since it is not necessary to open the door by turning the lock portion, the lock piece and the lock frame are not damaged, and after checking the wire harness, the door can be closed again and locked to the main body or the lid.

Further, as described above, the lid is provided with an inner wall that is wider than the width of the lock piece at a position facing the inner surface side of the lock piece, and the width of the lock piece from both ends in the width direction of the inner wall. A rib for protecting the locking piece in the shape of a side plate is provided along both sides of the direction, and a rib on the peripheral wall surrounding the three sides of the door excluding the side where the locking piece is provided projects on the upper surface of the lid. Has been established.
According to the above configuration, even if an external interference material near the protector is likely to interfere with the lock piece, the lock piece protection ribs provided on both sides of the lock piece interfere with the external interference material, and the lock piece is pressed. It is possible to prevent the door from being opened unexpectedly.

  The window is provided at a location where an ignition signal wire is inserted in a wire harness that is inserted into the main body, and is configured to be able to check and pull out the wire by opening the door.

As described above, according to the present invention, a lock piece is connected to a door provided on the lid via a hinge portion, and the lock piece can be pressed to turn away from the lock frame. Therefore, the lock connection between the door and the main body or the lid can be released simply by pressing the lock piece, and the door can be easily opened without turning the lock portion.
Therefore, when a malfunction occurs in the electrical system and a wire harness (for example, an ignition signal wire) that penetrates the protector is checked, the door is opened by the above operation, and the wire harness in the protector is easily checked through the window. And if necessary, a required electric wire can be pulled out from the window.
Further, since it is not necessary to open the door by turning the lock portion, the lock piece and the lock frame are not damaged, and after checking the wire harness, the door can be closed again and locked to the main body or the lid.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 to FIG. 6 show an embodiment of the present invention. A wire harness protector 10 (hereinafter referred to as a protector 10) that passes through a wire harness W / H routed in an automobile includes a wire harness W / H. It has a bowl-shaped main body 11 having a bottom wall 11a and side walls 11b to be accommodated, and a lid 12 for closing the upper surface opening of the main body 11.
The wire harness W / H penetrated through the protector 10 of the present embodiment is connected to the engine and includes an ignition signal wire.

  A plurality of lock frames 11c are provided at required positions on the outer surfaces of both side walls 11b of the main body 11, and a lock piece with a lock claw 12a provided at the tip is provided on the lid 12 at a position facing the lock frame 11c of the main body 11. The lock claw 12a of the lid 12 is engaged with the lock frame 11c of the main body 11 so that the main body 11 and the lid 12 are locked.

As shown in FIGS. 3 and 4, a window 13 is formed in a part of the lid 12 (in this embodiment, approximately the center in the length direction of the lid 12), and opens and closes the window 13. A door 14 is provided so as to be continuous with the lid 12 via a first hinge portion 15. The first end of the hinge portion 1 5 and the other side of said door 14, locking piece 17 of the lid through the second hinge portion 16 is continuously provided in the direction perpendicular to the door 14, the outer surface of the lock piece 17 A lock claw 18 projects from the tip. The first hinge portion 15 is provided over the entire boundary between the lid 12 and one side end of the door 14, while the second hinge portion 16 is provided only at both ends of the boundary between the door 14 and the lock piece 17, with the door in the center. the gap C1 is provided between the 14 and the lock piece 17, and to allow withdrawal moving the lock piece 17 into the gap C1 between the locking frame. Further, the door 14 is provided with an inner wall 19 (shown in FIG. 4) that is wider than the lock piece 17 with the gap C1 at a position facing the lock piece 17 . Side plate-like ribs 20 are provided with gaps C <b> 2 along both side edges in the width direction of the inner wall 19 . The leading end side of the rib 20 protrudes along both sides of the lock piece 17, and the lock piece 17 is protected by the rib 20. Further, a peripheral wall-shaped rib 21 surrounding three sides other than the side where the lock piece 17 of the door 14 is provided is provided on the upper surface of the lid 12. The rib 21 is located outside the rib 20 provided on the door 14, and the rib 20 provided on the door 14 is protruded from the rib 21 toward the lock piece 17.

  On the other hand, the main body 11 is provided with a door lock frame 22 in which the ends of both side portions 22a are connected by a central connecting portion 22b at a position facing the lock piece 17 of the door 14. As shown in FIG. 4, a step portion 22c is provided on the lower surface of the central coupling portion 22b of the lock frame 22, and the upper surface of the lock claw 18 is engaged with the step portion 22c.

  Although the wire harness W / H penetrated by the protector 10 is inserted along the shape of the main body 11 of the protector 10, the signal wire for ignition W / H-1 in the wire harness W / H is shown in FIG. As described above, a surplus length is provided by slacking in the vicinity of the window 13.

  When a failure occurs in the electrical system and the ignition signal wire W / H-1 is checked, when the outer surface of the lock piece 17 is pressed, the second hinge portion 16 is used as a fulcrum as shown in FIG. The lock piece 17 is rotated and the lock claw 18 is detached from the lock frame 22. In this state, as shown in FIG. 6B, the door 14 is rotated in the opening direction with the first hinge portion 15 as a fulcrum to open the window 13. As a result, the ignition signal wire W / H-1 is checked through the window 13, and if an abnormality has occurred in the ignition signal wire W / H-1, the excess length portion is grasped and the protector tau 10 is passed through the window 13. Can be pulled from.

According to the configuration, turn the locking piece 17 via the second hinge portion 16 to the door 14 provided on the lid 12 and continuously provided, a direction of moving away the locking frame 2 2 by pressing the lock piece 17 since it is rotatably, by simply pressing the lock piece 17 to unlock coupling between the door 14 and the body 11 can be opened easily Rukoto without door 14 prying the lock portion.
Therefore, when a failure occurs in the electrical system and the ignition signal wire W / H-1 penetrated through the protector 10 is checked, the door 14 is opened by the above operation, the check is made through the window 13, and if necessary. Can pull out the ignition signal wire W / H-1 from the window 13.
Since it is not necessary to open the door 14 and gouge the locking portion, the locking piece 17 and the locking frame 2 2 without damage, after checking the ignition signal wires W / H-1, again closing the door 14 The main body 11 can be locked.

FIG. 7 shows a modification of the embodiment of the present invention.
In this modified example, a lock frame 22 ′ that is locked by a lock claw 18 ′ of a lock piece 17 ′ provided on the door 14 ′ is provided not on the main body 11 ′ but on the lid 12 ′. Specifically, the base side of both side portions 22a ′ of the lock frame 22 ′ is connected to the lid 12 ′.
Even with the above configuration, the door 14 'can be easily opened, the same effects as in the above embodiment can be obtained, and the door 14' can be locked in advance to the lock frame 22 'of the lid 12'. When the wire harness is inserted into the protector 10 ′ and the main body 11 ′ and the lid 12 ′ are locked and connected, it is not necessary to lock and connect the door 14 ′.
In addition, since another structure and an effect are the same as that of 1st Embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted.

It is a perspective view of the protector for wire harnesses of the embodiment of the present invention. A protector is shown, (A) is a top view, (B) is a front view. It is a principal part expansion perspective view of a door. It is AA sectional view. It is a schematic plan view of the protector in the state where the door is opened. (A) (B) is drawing which shows the method of opening a door. The protector of the modification of embodiment is shown, (A) is a principal part expansion perspective view of a door, (B) is drawing which shows the state which opened the door. It is drawing which shows a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Wire harness protector 11 Main body 12 Cover 13 Window 14 Door 15 1st hinge part 16 2nd hinge part 17 Lock piece 18 for door Lock claw 20 for door Protection rib 22 Door lock frame W / H wire Harness W / H-1 Signal wire for ignition

Claims (2)

A wire harness protector comprising a bowl-shaped main body having a bottom wall and side walls for housing a wire harness to be routed in an automobile, and a lid for closing an upper surface opening of the main body,
A door for opening and closing a window formed in a part of the lid is provided, and one end of the door is connected to the lid through a first hinge portion, while a second hinge is provided at the other end of the door. A lock piece is continuously provided through the portion, and a lock claw is protruded from the outer surface tip of the lock piece,
The lock claw is engaged with a lock frame provided on the main body or the lid to close the window. On the other hand, when the outer surface of the lock piece is pressed, the lock piece is rotated with the second hinge portion as a fulcrum. The lock claw is detached from the lock frame, and the door can be rotated in the opening direction with the first hinge portion as a fulcrum.
The door side of the second hinge portion, before Symbol projected an inner side facing the inner wall that is wider than the width of the locking piece in the locked position piece, the lock along the width direction of both side ends of the inner wall A rib for protecting the side plate-like lock piece is provided with a gap from the piece, and a rib surrounding the three sides of the door excluding the side where the lock piece is provided is provided on the upper surface of the lid. The protector for wire harnesses characterized by the above-mentioned. 2. The window is provided at a wiring location of an ignition signal wire in a wire harness inserted into the main body, and is configured to open the door and pull out the ignition signal wire at the time of checking. The protector for wire harnesses described in 1.

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