JP2013051779A - Protector and lock method of protector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a protector which facilitates the assembly of a wire harness and reliably locks a protector body to a lid, and to provide a lock method of a protector which uses the protector.SOLUTION: A protector 1 according to this invention comprises: a U shaped protector body 10 housing a wire harness W composed of multiple electric wires; a plate like lid 20 closing an upper opening of the protector body 10; and lock mechanisms 30 fixing the protector body 10 to the lid 20. Body side through holes 41, into which support protrusions 51 protruding at a protector assembly work plate 50 are respectively inserted, are formed at the protector body 10. Lid side through holes 42, into which the support protrusions 51 are respectively inserted, are formed at the lid 20. The body side through hole 41 and the lid side through hole 42 are provided adjacent to each lock mechanism 30.

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). A main body side through hole (main body side through hole 41) into which a support protrusion (support protrusion 51) provided so as to protrude from the plate 50) is inserted, and the cover body has a cover side through hole into which the support protrusion is inserted. A gist is that a hole (lid side through hole 42) is formed, and the main body side through hole and the lid side through hole are provided adjacent to the lock mechanism.

  According to this feature, the main body side through hole and the lid side through hole are provided adjacent to the lock mechanism. Thereby, when locking a cover body to a protector main body, if a support protrusion passes a main body side through hole and a lid side through hole, the side wall surface of a protector main body will be supported by a support protrusion. For this reason, it is possible to prevent the side wall surface of the protector body from falling down and to easily align the lock 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 feature of the present invention relates to the first feature of the present invention, wherein the lock mechanism is provided on a side wall surface (side wall surface 10A) of the protector body, and a locking hole (locking hole 11A) is formed. And a locking claw (locking claw 21) provided on the back surface of the lid body and 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 a support projecting from a protector assembling work plate is provided. A step of inserting a main body side through hole adjacent to the main body side locking mechanism provided in the protector main body into the protrusion; and a lid side through hole adjacent to the cover body side locking mechanism provided in the lid body in the support protrusion. And a step of fixing the lid to the protector main body by the main body side locking mechanism and the lid side locking mechanism.

  According to this feature, the support protrusion is inserted into the main body side through hole and then inserted into the lid side through hole. Thereby, a cover body can be fixed to a protector main body in the state in which the side wall surface of the protector main body was supported by the support protrusion. For this reason, it is possible to prevent the side wall surface of the protector body from falling down and to easily align the lock 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. A plurality of locking frames 11 (main body side locking mechanisms) in which locking holes 11A are formed are provided on the side wall surface 10A of the protector body 10.

  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 main body 10 and the lid body 20 are formed with through holes 40 into which two plate-like support protrusions 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 “adjacent” shown in the present embodiment refers to a position where the support protrusion 51 can contact at least a part of the side wall surface 10A of the protector body 10 or a complete contact (line contact) with the side wall surface 10A. ) Shows possible positions.

(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 main body side through hole 41 is formed closest to the side wall surface 10 </ b> A of the bottom surface 10 </ b> B of the protector main 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. 4B, the side wall surface 10 </ b> A of the protector body 10 is in a state along the support protrusion 51 and is supported by the support protrusion 51. That is, the support protrusion 51 that has passed through the main body side through hole 41 is in contact with (in contact with) the side wall surface 10A.

  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. Accordingly, when the support protrusion 51 passes through the main body side through hole 41 and the cover side through hole 42 when the cover body 20 is locked to the protector main body 10, the side wall surface 10 </ b> A of the protector main body 10 is supported by the support protrusion 51. For this reason, the side wall surface 10A of the protector body 10 can be prevented from collapsing, and the positioning of the lock mechanism 30 is facilitated. 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 support protrusion 51 is inserted into the main body side through hole 41 and then inserted into the lid side through hole 42. Thereby, the lid 20 can be fixed to the protector body 10 in a state where the side wall surface 10A of the protector body 10 is supported by the support protrusions 51. For this reason, the side wall surface 10A of the protector body 10 can be prevented from collapsing, and the positioning of the lock mechanism 30 is facilitated.

(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).

  Moreover, although the through-hole 40 was demonstrated as what the two support protrusions 51 were inserted, it is not limited to this, You may be formed so that the some support protrusion 51 may be inserted, It may be equivalent to the number of lock mechanisms 30. That is, the number of the support protrusions 51 is not necessarily two.

  Further, the support protrusion 51 has been described as being inserted into the through hole 40 provided inside the lock mechanism 30, but is not limited thereto, and the through hole 40 provided outside the lock mechanism 30 is not limited thereto. It may be inserted into. In this case, it is possible to prevent the side wall surface 10A of the protector body 10 from falling outside.

  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.

DESCRIPTION OF SYMBOLS 1 ... Protector 10 ... Protector main body 10A ... Side wall surface 10B ... Bottom surface 11 ... Locking frame 11A ... Locking hole 20 ... Cover body 21 ... Locking claw 30 ... Lock mechanism 40 ... Through-hole 41 ... Main body side through-hole 42 ... Cover 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,
The protector body is formed with a body side through-hole into which a support protrusion protruding from the protector assembly work plate is inserted,
The lid is formed with a lid side through-hole into which the support protrusion is 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
A locking frame provided on the side wall surface of the protector body, and formed with a locking hole;
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,
Inserting a main body side through hole adjacent to a main body side locking mechanism provided in the protector main body into a support protrusion protruding from the protector assembling work plate;
A lid-side through hole adjacent to a lid-side lock mechanism provided in the lid is inserted into the support protrusion, and the lid is fixed to the protector body by the body-side lock mechanism and the lid-side lock mechanism. And a protector locking method.

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