JP5923260B2 - Protector and lock method of the protector - Google Patents

Description

  The present invention relates to a protector for a wire harness that protects the wire harness, and a protector locking method using the protector.

  2. Description of the Related Art Conventionally, a wire harness composed of a plurality of electric wires routed under the floor of a vehicle such as an automobile is protected by a wire harness protector as a protective member throughout the entire route.

  As shown in FIG. 5A, the protector 100 includes a U-shaped protector main body 110 that houses a wire harness, and a plate-shaped lid body 120 that closes an upper opening of the protector main body 110. As a mechanism for locking the lid 120 to the protector main body 110, there is the following one (for example, see Patent Document 1).

  That is, the outer wall of the protector main body 110 is provided with a locking frame 111 in which a locking hole 111 </ b> A is formed, and the lid 120 is provided with a locking claw 121 that locks with the locking frame 111. When the lid 120 is locked (fixed) to such a protector main body 110, the locking claw 21 is inserted into the locking hole 11A, elastically deformed, and restored by passing through the locking hole 11A. It is locked to the locking frame 111.

JP 2004-135450 A

  However, in the above-described conventional protector 100, as shown in FIG. 5B, when the lid 120 is locked to the protector main body 110, the outer wall of the protector main body 110 may fall inward. In this case, the locking claw 21 is not inserted into the locking hole 11 </ b> A and is not locked to the locking frame 111. For this reason, the operator has to work while aligning so that the locking claw 21 can be inserted into the locking hole 11A, and the work of assembling the wire harness in the protector 100 is complicated.

  Therefore, the present invention aims to provide a protector capable of easily assembling the wire harness and securely locking the protector body and the lid, and a protector locking method using the protector. To do.

In order to solve the above-described problems, the present invention has the following features. First, a first feature of the present invention is that a protector body (protector body 10) that houses a wire harness (wire harness W) made up of a plurality of electric wires, and a lid body (lid body) that closes the upper opening of the protector body. 20) and a protector (protector 1) comprising a lock mechanism (lock mechanism 30) for fixing the protector body and the lid, and the protector body has a protector assembly work plate (protector assembly work). body side through hole two support projections abutting the inner surface of the projecting plate 50) side walls of the protector body (sidewall 10A) (support projection 51) is inserted (the body-side through-hole 41) is formed, on the lid, the lid-side through hole two support protrusions are inserted (cover-side through-hole 42) is formed, said body side through hole and the cover-side through-hole, said lock mechanism And summarized in that provided adjacent.

According to this feature, the main body side through hole and the lid side through hole are provided adjacent to the lock mechanism. Thus, when locking the lid to the protector body, two supporting projections passes through the body-side through holes and the cover-side through-hole, the inner surface of the side walls of the protector body is supported by the two support projections. Therefore, it is possible to prevent the side walls of the protector body Komu collapse inwardly, thereby facilitating alignment of the locking mechanism. Therefore, the assembling work of the wire harness can be facilitated and the protector body and the lid can be securely locked.

A second aspect of the present invention relates to the first aspect of the present invention, the locking mechanism is provided in both side walls (side walls 10A) of the protector body, the locking hole (locking hole 11A) is formed And a locking claw (locking claw 21) that is provided on the back surface of the lid and is inserted into the locking hole and locked to the locking frame. The main body side through hole is provided adjacent to the locking frame, and the lid side through hole is provided adjacent to the locking claw.

  According to such a feature, the main body side through hole is provided adjacent to the locking frame, and the lid side through hole is provided adjacent to the locking claw. Thereby, it becomes easy to grasp the positions of the main body side through hole and the lid side through hole, and it becomes easy to insert the support protrusion into the main body side through hole and the lid side through hole. For this reason, the operation | work (fixing operation | work) which locks a protector main body and a cover body becomes easy, and the assembly | attachment operation | work of a wire harness becomes easier.

  A third feature of the present invention relates to the first or second feature of the present invention, and is summarized in that the through hole is a long hole along a longitudinal direction of the protector.

  According to such a feature, the through hole is a long hole along the longitudinal direction of the protector. Accordingly, when the support protrusion is inserted into the through hole, the orientation of the protector assembling work plate can be easily grasped, and the support protrusion can be easily inserted into the through hole. For this reason, the operation | work which fixes a protector main body and a cover body becomes still easier.

A fourth feature of the present invention is a protector locking method in which an upper opening of a protector main body that accommodates a wire harness composed of a plurality of electric wires is closed by a lid, and is projected from a protector assembling work plate. the two support projections abutting the inner surface of the side walls of the protector body, and inserting the body-side through-hole adjacent to the main body lock mechanism provided in the protector body, the two support projections, Inserting a lid-side through hole adjacent to a lid-side lock mechanism provided in the lid, and fixing the lid to the protector body by the body-side lock mechanism and the lid-side lock mechanism. Is the gist.

According to this feature, the two support protrusions are inserted into the main body side through hole and then inserted into the lid side through hole. Thus, in a state in which the inner surface of the side walls of the protector body is supported by the two support projections, it is possible to fix the lid to the protector body. Therefore, it is possible to prevent the side walls of the protector body Komu collapse inwardly, thereby facilitating alignment of the locking mechanism.

  According to the features of the present invention, there is provided a protector capable of easily assembling a wire harness and securely locking the protector main body and the lid, and a protector locking method using the protector. be able to.

FIG. 1 is a perspective view showing a protector 1 according to this embodiment. FIG. 2 is a cross-sectional view (A-A cross-sectional view of FIG. 1) showing the protector 1 according to the present embodiment. Fig.3 (a) is a top view which shows the surface side of the cover body 20 which concerns on this embodiment, FIG.3 (b) is a top view which shows the back surface side of the cover body 20 which concerns on this embodiment. FIG. 4 is a cross-sectional view of the protector 1 for explaining a method of locking the protector 1 according to the present embodiment. FIG. 5 is a cross-sectional view showing a protector 100 according to the background art.

  Next, an embodiment of a protector according to the present invention and a protector locking method using the protector will be described with reference to the drawings. Specifically, (1) the structure of the protector, (2) the structure of the through-hole, (3) the protector locking method, (4) the action and effect, and (5) other embodiments will be described.

  In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals. However, it should be noted that the drawings are schematic and ratios of dimensions and the like are different from actual ones.

  Accordingly, specific dimensions and the like should be determined in consideration of the following description. Moreover, the part from which the relationship and ratio of a mutual dimension differ also in between drawings may be contained.

(1) Structure of protector First, the structure of the protector 1 which concerns on this embodiment is demonstrated, referring drawings. FIG. 1 is a perspective view showing a protector 1 according to this embodiment. FIG. 2 is a cross-sectional view (A-A cross-sectional view of FIG. 1) showing the protector 1 according to the present embodiment.

  As shown in FIG.1 and FIG.2, the protector 1 is for protecting the wire harness W which consists of several electric wires routed under the floors of vehicles, such as a motor vehicle. The protector 1 is formed of a synthetic resin. The protector 1 also includes a protector body 10 that accommodates the wire harness W, a lid body 20 that closes the upper opening of the protector body 10, and a lock mechanism 30 that fixes the protector body 10 and the lid body 20. .

The protector body 10 is substantially U-shaped and has an upper opening. Side walls 10A of the protector body 10, the upper portion of 10A, a plurality of locking frames 11 of the locking hole 11A is formed (main body side locking mechanism) is provided.

  The lid 20 has a plate shape and closes the upper opening of the protector body 10. A plurality of locking claws 21 (lid-side lock mechanism) that protrude toward the protector body 10 and are locked to the locking frame 11 are formed on the periphery of the lid 20. In the present embodiment, the lock mechanism 30 is configured by the locking frame 11 and the locking claw 21 described above.

The protector body 10 and the lid 20 are formed with through holes 40 into which two plate-like support protrusions 51 , 51 projecting from the protector assembling work plate 50 are inserted. The through hole 40 is provided adjacent to the lock mechanism 30. Note that "neighboring" shown in the present embodiment, as shown in FIG. 2, that two supporting projections 51, 51 at least partially abutting the side walls 10A, 10A the inner surface of the protector body 10 position and possible, the side walls 10A, be 10A inner surface side and completely abutment (line contact) shows the possible position.

(2) Configuration of Through-hole Next, the configuration of the above-described through-hole 40 will be described with reference to FIGS. Fig.3 (a) is a top view which shows the surface side of the cover body 20 which concerns on this embodiment, FIG.3 (b) is a top view which shows the back surface side of the cover body 20 which concerns on this embodiment.

  As shown in FIGS. 1 to 3, the through hole 40 is provided adjacent to the inside of the lock mechanism 30 in the width direction WD perpendicular to the longitudinal direction LD of the protector 1. The through hole 40 has a rectangular shape so that a plate-like support protrusion 51 can be inserted, and is a long hole along the longitudinal direction LD of the protector 1. The through hole 40 includes a main body side through hole 41 formed in the protector main body 10 and a lid side through hole 42 formed in the lid body 20.

As shown in FIG. 2, the main body side through hole 41 is adjacent to the locking frame 11. Specifically, the base-side through-hole 41 is formed in the most side wall 10A side of the bottom part 10B of the protector body 10. The main body side through hole 41 is provided at a position (in the vertical direction in FIG. 2) corresponding to the cover side through hole 42 in a state where the lid body 20 is closed to the protector main body 10.

  As shown in FIGS. 2 and 3, the lid side through hole 42 is adjacent to the locking claw 21. Specifically, the lid side through hole 42 is formed inside the lid 20 of the locking claw 21 with respect to the width direction WD of the protector 1. The lid side through hole 42 is provided at a position facing the body side through hole 41 in a state where the lid body 20 is closed to the protector body 10.

(3) Locking method of protector Next, the locking method of the protector 1 using the protector 1 mentioned above is demonstrated, referring FIG. FIG. 4 is a cross-sectional view of the protector 1 for explaining a method of locking the protector 1 according to the present embodiment.

First, as shown in FIG. 4A, the main body side through hole 41 adjacent to the locking frame 11 provided in the protector main body 10 is inserted into the support protrusion 51 protruding from the protector assembling work plate 50. . Then, as shown in FIG. 4 (b), the side wall 10A of the protector body 10 is in a state of being along the support projections 51 are supported by the support protrusion 51. That is, the support projections 51 passing through the body-side through-hole 41 is in a state that the inner surface side and the contact side wall 10A (line contact).

  Next, as shown in FIG. 4C, the lid side through hole 42 adjacent to the locking claw 21 provided in the lid 20 is inserted into the support protrusion 51. As a result, as shown in FIG. 4D, the locking claw 21 is inserted into the locking hole 11A, elastically deformed, and restored after passing through the locking hole 11A. It is locked to. Then, the lid 20 is fixed to the protector body 10.

(4) Action / Effect In the embodiment described above, the main body side through hole 41 and the lid side through hole 42 are provided adjacent to the lock mechanism 30. Thus, when locking the lid 20 to the protector body 10, the two support projections 51, 51 passes through the body-side through-hole 41 and the cover-side through-hole 42, the side walls 10A of the protector body 10, 10A internal surface of The side is supported by two support protrusions 51. Therefore, the side walls 10A of the protector body 10, it is possible to prevent the 10A is Komu collapse inwardly, thereby facilitating alignment of the locking mechanism 30 is. Therefore, the assembly work of the wire harness W can be facilitated, and the protector body 10 and the lid body 20 can be reliably locked.

  In the present embodiment, the main body side through hole 41 is provided adjacent to the locking frame 11, and the lid side through hole 42 is provided adjacent to the locking claw 21. As a result, the positions of the main body side through hole 41 and the lid side through hole 42 can be easily grasped, and the support protrusion can be easily inserted into the main body side through hole 41 and the lid side through hole 42. For this reason, the operation | work (fixing operation | work) which locks the protector main body 10 and the cover body 20 becomes easy, and the assembly | attachment operation | work of the wire harness W becomes easier.

  In the present embodiment, the through hole 40 is a long hole along the longitudinal direction LD of the protector 1. As a result, when the support protrusion 51 is inserted into the through hole 40, the orientation of the protector assembly work plate 50 can be easily grasped, and the support protrusion 51 can be easily inserted into the through hole 40. For this reason, the operation | work which fixes the protector main body 10 and the cover body 20 becomes still easier.

In the present embodiment, the two support protrusions 51 , 51 are inserted into the main body side through hole 41 and then inserted into the lid side through hole 42. Thus, the side walls 10A of the protector body 10, in a state where the inner surface side of 10A is supported by the two support projections 51, 51, it is possible to secure the lid 20 to the protector body 10. Therefore, the side walls 10A of the protector body 10, it is possible to prevent the 10A is Komu collapse inwardly, thereby facilitating alignment of the locking mechanism 30 is.

(5) Other Embodiments As described above, the contents of the present invention have been disclosed through the embodiments of the present invention. However, it is understood that the description and drawings constituting a part of this disclosure limit the present invention. Should not. From this disclosure, various alternative embodiments, examples, and operational techniques will be apparent to those skilled in the art.

  For example, the embodiment of the present invention can be modified as follows. Specifically, the lock mechanism 30 has been described as configured by the locking frame 11 and the locking claw 21, but is not limited thereto, and is a mechanism that can lock the lid 120 to the protector body 110. I just need it.

  Moreover, although the through-hole 40 was demonstrated as what is a long hole along the longitudinal direction LD of the protector 1, it is not limited to this, Other shapes (for example, circular shape and elliptical shape) Also good. In this case, the support protrusion 51 need not be plate-shaped, and may have another shape (for example, a prismatic shape or a cylindrical shape).

  As described above, the present invention naturally includes various embodiments that are not described herein. Therefore, the technical scope of the present invention is determined only by the invention specifying matters according to the scope of claims reasonable from the above description.

1 ... protector 10 ... protector body 10A ... side wall <br/> 10B ... bottom <br/> 11 ... locking frame 11A ... locking hole 20 ... lid 21 ... locking claw 30 ... locking mechanism 40 ... through hole 41 ... Main body side through hole 42 ... Lid side through hole 50 ... Protector assembly work plate 51 ... Support projection

Claims (4)

A protector body that houses a wire harness composed of a plurality of wires;
A lid for closing the upper opening of the protector body;
A protector comprising a lock mechanism for fixing the protector body and the lid,
Wherein the protector body, the body-side through holes two support projections projecting from the protector assembly work plate in contact with the inner surface of the side walls of the protector body is inserted is formed,
The lid is formed with a lid-side through-hole into which the two support protrusions are inserted,
The main body side through hole and the lid side through hole are provided adjacent to the lock mechanism. The protector according to claim 1,
The locking mechanism is
Provided on both sides walls of the protector body, a locking frame engaging hole is formed,
Provided on the back surface of the lid, and is configured by a locking claw inserted into the locking hole and locked to the locking frame;
The main body side through hole is provided adjacent to the locking frame,
The lid side through hole is provided adjacent to the locking claw. The protector according to claim 1 or 2, wherein
The through hole is a long hole along the longitudinal direction of the protector. A protector locking method for closing an upper opening of a protector main body that accommodates a wire harness composed of a plurality of electric wires with a lid,
Projecting from the protector assembly work plate on two support projections abutting the inner surface of the side walls of the protector body, inserting a main body side through-hole adjacent to the main body lock mechanism provided in the protector body Steps,
A lid-side through hole adjacent to a lid-side lock mechanism provided in the lid is inserted into the two support protrusions, and the lid is attached to the protector body by the body-side lock mechanism and the lid-side lock mechanism. And a step of fixing the protector.

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