JP2010088243A - Protector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a technique for improving the strength of a protector. <P>SOLUTION: The protector 10 includes a housing body 50 formed in a substantially U-shaped cross section and having an opening as an upper part and a lid 30 for closing the opening, wherein the housing body 50 and the lid 30 are fixed by a locking mechanism 20 and a cable such as a wire harness is housed in a cable housing space of the substantially square-shaped cross section. A reinforcing rib 60 protruding at a predetermined length in a thickness outside direction is formed so as to extend in a lateral direction on the end of the upper opening side of a side surface 52a of the housing body 50. An engagement receiving portion 63 working as a receiver of the locking mechanism 20 is formed at a desired position. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a protector, and relates to a protector that houses an electric wire, a wire harness, and the like and protects them.

  In a vehicle or the like, a protector that accommodates the wire harness or the like is used to protect the wire harness or the like. An example of this type of protector is shown in FIG. 1 (see Patent Document 1). The protector 310 includes a top plate 311 and a protector main body 315 that has a pair of side plates 312 and 313 disposed on both sides of the top plate 311 and accommodates the wire harness 380. Further, five side plate locking portions 331 to 335 arranged on the opposite side of the hinge engage with bottom plate fixing portions 336 to 340 formed on the bottom portion of the first side plate 312 in a snap action type (snap fit type). And fixed to the first side plate 312. As a result, the bottom plate is fixed to the first side plate 312, so that the wire harness 380 is accommodated in a cross-sectionally rectangular shape from the top plate 311, the first and second side plates 312 and 313, and the bottom plate. A space is formed.

  FIG. 2 is a diagram focusing on the structure of the protector, particularly focusing on the locking mechanism between the housing main body and the top plate. As shown in FIGS. 2A and 2B, the protectors 100 a and 100 b include a lid (top plate) 130 and a housing main body 150, and the lid (top) 130 and the housing main body 150. Is fixed by the lock mechanism 120. The locking mechanism 120 is configured such that a locking piece 133 formed on the lid body 130 is engaged with a locking receiving portion 163 formed on the housing main body 150 in a snap-fit manner.

JP 2004-64919 A

  By the way, depending on the protector, there are cases where deformation such as twisting and bending easily occurs. Therefore, the protector may be provided with ribs for reinforcement. For example, in the protector 100a of FIG. 2 (a), substantially triangular reinforcing ribs 160 are provided on both sides of the opening 112 in a top view. However, in the conventional protector 100a, priority is given to the arrangement space of the lock mechanism 120, and the reinforcing rib 160 becomes smaller, or sometimes the reinforcing rib cannot be provided as shown in FIG. . As a result, the protector 100 may have insufficient strength.

  This invention is made | formed in view of such a condition, and it aims at providing the technique which solves the said subject and improves the intensity | strength of a protector.

An embodiment of the present invention relates to a protector. This protector is a protector that protects a cable housed therein, in which the lid and the housing main body are fixed by a lock mechanism including a latching means and a latching receiving means, and the latching receiving means includes the protector. It is formed in the rib for reinforcing.
Further, the rib may be formed at an opening end portion of the housing main body.
The rib may include a plurality of the locking receiving means.
Further, the rib may be formed at a position where the rib comes into contact with an end of the lid when the lid and the housing main body are fixed.
The lock mechanism may be a snap fit type.

  According to the present invention, the strength of the protector and the strength of the lock function can be improved by integrating the rib for reinforcing the protector and the structure of the lock mechanism.

  The best mode for carrying out the invention (hereinafter referred to as “embodiment”) will be described below with reference to the drawings.

  FIG. 3 is a perspective view showing an appearance of the protector 10 according to the present embodiment. The protector 10 includes a resin-molded lid body 30 and a resin-molded housing main body 50. FIG. 4 is a perspective view of the protector 10 shown in a separated state in order to explain the structure of the lid body 30 and the accommodating portion main body 50. Actually, the side end 32b of the lid body 30 and the upper side end portion of the side surface 52b of the accommodating portion main body 50 are integrally formed to have a hinge structure. Further, the protector 10 shown here is a part extracted and shown.

  As shown in the figure, the protector 10 is provided with an accommodating portion main body 50 having an approximately U-shaped cross section and having an upper portion as an opening, and a lid 30 that closes the opening. The accommodating portion main body 50 and the lid 30 are provided by a lock mechanism 20. A cable such as a wire harness is housed in a cable housing space that is fixed and has a substantially rectangular cross section. Here, three lock mechanisms 20 of the first to third lock mechanisms 20a to 20c are displayed, and will be described simply as “lock mechanism 20” unless otherwise distinguished. The fixing structure on the back side of the lid body 30 and the housing main body 50 is not limited to the above-described hinge structure, and may be the same structure as the lock mechanism 20.

  Each lock mechanism 20 includes a locking piece 33 of the lid 30 and a locking receiving portion 63 (locking hole 69) of the housing main body 50, as will be described later. Then, the wire harness is housed in the cable housing space formed by the housing portion main body 50 and the lid body 30. Further, the protector 10 is formed with an opening 12 so as to be sandwiched between the first and second lock mechanisms 20a and 20b, so that the inside of the protector 10 can be confirmed.

  In the lid 30, both end sides in the width direction (X direction) are curved surfaces 38 with a predetermined width, and the side end face 32 a faces downward. In the drawing, an upper opening frame 36 constituting a part of the outer edge of the opening 12 is formed to protrude in the width direction by a predetermined length at a substantially central position in the horizontal direction (Y direction). A locking piece 33 is formed at a predetermined position on the curved surface 38 in the vicinity of the side end 32 a of the lid 30. Specifically, the first locking piece 33a constituting the first locking mechanism 20a on the left side of the opening 12 in the drawing and the second locking piece constituting the second locking mechanism 20b on the right side of the opening 12 in the drawing. 33b and a third locking piece 33c constituting the third locking mechanism 20c at the right position in the figure are formed. In addition, when not distinguishing the 1st-3rd locking pieces 33a-33c, it demonstrates as a "locking piece 33".

  The locking piece 33 includes a locking piece main body 34 extending downward from a curved surface portion in the vicinity of the side end 32a, and a locking protrusion 35 that is formed near the tip of the locking piece main body 34 and projects outward. It is composed of The locking piece main body 34 is movable in the front-rear direction (X-front-rear direction in the figure) in order to be locked in a snap-fit manner with the locking receiving portion 63 by its elastic characteristics.

  The accommodating part main body 50 includes a bottom plate 51, a front side surface 52a, and a rear side surface 52b, and has a substantially U shape in a sectional view in which the upper side is an opening.

  Reinforcing reinforcing ribs 60 projecting a predetermined length in the thickness outward direction (X direction in the drawing) extend in the lateral direction (Y direction in the drawing) at the end portion on the upper opening side of the side surface 52a of the housing main body 50. Has been. That is, the reinforcing rib 60 of the housing part main body 50 is formed at a position where the lid 30 and the housing part main body 50 are in contact with the side end 32 a of the lid body 30. Further, in the region of the opening 12 formed in the side surface 52 a, the reinforcing rib 60 surrounds the outer edge of the opening 12 to form an opening frame 66.

  A locking receiving portion 63 that functions as a receiving side of the lock mechanism 20 is formed in the reinforcing rib 60 at a desired position. The latch receiving portion 63 is formed at a position corresponding to the position at which the locking piece 33 of the lid 30 is formed, with a substantially rectangular opening as a locking hole 69 in a top view that penetrates the reinforcing rib 60 in the vertical direction. . The size of the locking hole 69 is such that the locking piece 33 can be inserted and the locking piece 33 can be locked when fixed.

  More specifically, a first locking receiving portion 63a that forms the first locking mechanism 20a on the left side of the opening 12 with the first locking piece 33a, and a second locking mechanism on the right side of the opening 12 in the drawing. The second locking receiving portion 63b that configures 20b together with the second locking piece 33b, and the third locking mechanism that configures the third locking mechanism 20c at the right position in the drawing together with the third locking piece 33c. And a receiving portion 63c. In addition, when not distinguishing the 1st-3rd latching receiving parts 63a-63c, it demonstrates only as "the latching receiving part 63".

  The latch receiving part 63 protrudes by the same length as the other part of the reinforcing rib 60, and is slightly longer in the height direction below the height of the other region excluding the opening frame 66. Is formed. That is, the lower side surface 68 of the latch receiving portion 63 is lower than the lower surface of the reinforcing rib 60. The position of the lower side surface 68 of the locking receiving portion 63 is determined corresponding to the locking position of the locking projection 35 of the locking piece 33. Therefore, when the reinforcing rib 60 is thick, the lower side surface 68 of the latch receiving portion 63 may be the same height as the lower side surface of the reinforcing rib 60, or may be recessed at a higher position. Good.

  The locking piece 33 of the lid 30 is inserted into the locking hole 69, and the locking projection 35 of the locking piece 33 is locked to the lower surface of the locking receiving portion 63 in a snap-fit manner, The container main body 50 and the lid 30 are fixed.

  Specifically, the locking piece main body 34 is elastically deformed rearward (X rearward direction) when the locking receiving portion 63 (locking hole 69) described later is inserted, and the locking projection 35 is locked. When engaging with the lower side surface 68 of the portion 63, it is elastically biased forward (X forward direction).

  As described above, the strength of the protector 10 is improved by integrating the rib (reinforcing rib 60) for reinforcing the protector 10 and the structure of the lock mechanism for fixing the lid 30 and the housing main body 50 together. In addition, the strength of the lock itself can be improved. That is, by including the function of the lock structure in the reinforcing rib 60, deformation of the lock shape can be reduced, and the strength of the lock itself can be improved.

  The present invention has been described based on the embodiments. This embodiment is an exemplification, and it is understood by those skilled in the art that various modifications can be made to each of those components and combinations thereof, and such modifications are also within the scope of the present invention. For example, in the case of a protector having a structure in which a reinforcing rib is formed on the lid, the structure corresponding to the locking receiving portion 63 (the locking hole 69) of the embodiment is formed on the reinforcing rib of the lid, and A locking piece is formed.

It is a perspective view of the protector based on a prior art. It is a perspective view of the protector based on a prior art. It is a perspective view of a protector concerning an embodiment. It is a perspective view of a protector concerning an embodiment, and is a figure shown in the state where a lid and a storage part main part were separated.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Protector 12 Opening 20 Locking mechanism 30 Cover body 32a, 32b Side end 33 Locking piece 34 Locking piece main body 35 Locking protrusion 36 Opening frame 50 Housing | casing part main body 51 Bottom plate 52a, 52b Side surface 60 Reinforcement rib 63 Locking receiving part 69 Locking hole

Claims (5)

The lid and the housing main body are fixed by a locking mechanism including a locking means and a locking receiving means, and a protector for protecting a cable accommodated in the interior,
The protector characterized in that the locking receiving means is formed on a rib for reinforcing the protector.   The protector according to claim 1, wherein the rib is formed at an opening end of the housing main body.   The protector according to claim 2, wherein the rib includes a plurality of the locking receiving means.   The said rib is formed in the position which contact | abuts the edge part of the said cover, when the said cover and the said accommodating part main body are fixed. Protector.   The protector according to any one of claims 1 to 4, wherein the lock mechanism is a snap-fit type.

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