JP5865173B2 - Protector - Google Patents

Description

  The present invention relates to a protector used for protecting a wire harness routed in a vehicle body.

  The protector has a structure that accommodates the wire harness in order to protect the wire harness routed in the vehicle body. Patent Document 1 describes a conventional protector formed by a protector main body that accommodates a wire harness therein and a lid attached to the protector main body. The protector body is formed in a concave shape with a pair of side wall portions rising from both sides of the bottom wall portion, and the wire harness is dropped into the protector body from the opening on the top surface of the protector body. By covering the main body, the upper surface of the protector main body is closed to protect the wire harness.

JP 2010-74917 A

  However, in the case of the conventional protector, the lid may be detached from the protector main body due to vibration of the vehicle body or the like, so it is necessary to wind the tape so that the lid does not fall off from the protector main body. For this reason, a tape is required and a tape winding step is separately required, which has a problem that workability is poor and manufacturing cost is high.

Further, in the conventional protector, when the opening is closed by covering the lid after storing the wire harness in the protector body, the wire harness is bitten between the lid and the edge of the opening of the protector body, This biting has the problem of damaging the wire harness.

In addition, in order to hold the lid on the protector body, a lock arm is provided on the lid, while an engaging portion of the lock arm is provided at the edge of the opening of the protector, and the lock arm and the engaging portion are engaged. However, in this case, since the structure of the mold for molding the protector body and the lid is complicated, the cost of the mold increases, and the manufacturing cost of the protector increases. ing.

Therefore, the present invention provides a protector that can securely hold the lid on the protector body even if tape winding is unnecessary, can prevent the wire harness from being caught, and can reduce the manufacturing cost. The purpose is to do.

The invention according to claim 1 is formed in a U-shaped cross section by a bottom wall portion and a pair of opposing side wall portions rising in the same direction from both sides of the bottom wall portion, and the wire harness is accommodated inside from the opening portion of the upper surface. A protector main body and a lid that closes the opening of the protector main body, the lid being a flexible closing plate that closes the opening of the protector main body, A pair of projecting leg portions extending in the same direction from both sides of the blocking plate portion, and a pair of projecting leg portions provided on the distal end sides of the pair of projecting leg portions, respectively, are in contact with inner surfaces of the pair of side wall portions of the protector body. Protruding portions that are engaged with the closing plate portion with the lid closing the opening of the protector body are formed on the opposing surfaces of the pair of side wall portions of the protector body. It is characterized by being .

Invention of Claim 2 is a protector of Claim 1, Comprising: The distance between the projection parts provided in the said pair of side wall part is set shorter than the length of the width direction of the closure board part of the said cover body It is characterized by being.

The invention according to claim 3 is the protector according to claim 1 or 2, wherein the contact end is bent toward the pair of side wall portions from the distal end side of the projecting leg portion. To do.

  In the first aspect of the present invention, after the wire harness is housed in the protector body surrounded by the bottom wall portion and the pair of side wall portions, the lid plate is bent to pass between the protrusions. Then, the closing plate is released from the bent state. As a result, the closing plate portion of the lid body covers the wire harness in the protector body. At this time, both sides of the closing plate portion in the width direction are engaged with the protrusions from below, and the contact ends of the closing plate portion are in contact with the inner surfaces of the pair of side wall portions of the protector body. The opening of the main body is closed.

  According to the first aspect of the present invention, since the lid does not engage with the protrusion and the lid does not contact the edge of the opening of the protector body, the opening of the lid and the protector body It is possible to prevent the wire harness from being bitten between the edges of the wire harness and damaging the wire harness. In addition, since the lid is securely held by the protector main body by engaging the lid with the protrusion, the lid does not come off and no tape winding is required to prevent the lid from falling off. It is possible to reduce the use of and to simplify the work process. In addition, since it is not necessary to provide a lock arm for holding the lid on the protector body or an engaging portion of the lock arm, the shape of the lid and the protector body is simplified, and the structure of the mold for molding these is also provided. Since it becomes simple, a die cost can be reduced and a manufacturing cost of the protector can be reduced.

  According to the second aspect of the invention, the distance between the protrusions provided on the pair of side wall portions is set to be shorter than the length in the width direction of the closing plate portion of the lid body. Since both sides reliably engage with the protrusions, the lid can be reliably prevented from coming off.

According to the third aspect of the present invention, the contact end of the lid is bent toward the pair of side wall portions of the protector body from the distal end side of the projecting leg, and the distal end surface of the contact end is the protector body. Therefore, the wire harness does not come out from the inside of the protector body. Thereby, it can prevent more reliably that a wire harness is bitten between the edge part of the opening part of a protector main body, and a cover body.

It is sectional drawing which shows the protector main body in the protector of 1st Embodiment of this invention. It is sectional drawing which shows the relationship between the protector main body in 1st Embodiment, and a cover body. It is sectional drawing which shows the attachment procedure of the cover body to the protector main body in 1st Embodiment. It is sectional drawing which shows the attachment procedure of the cover body following FIG. It is sectional drawing which shows the state which attached the cover body to the protector main body. It is a perspective view which shows the protector main body in the protector of 2nd Embodiment of this invention. It is a perspective view which shows the relationship between the protector main body in 2nd Embodiment, and a cover body. It is a perspective view which shows the state which attached the cover body to the protector main body in 2nd Embodiment.

  Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments. In each embodiment, the same member is assigned the same reference numeral.

[First Embodiment]
1 to 5 show a protector 1 according to a first embodiment of the present invention. The protector 1 is formed by a protector body 3 and a lid 5.

  As shown in FIG. 1, the protector body 3 is formed in a U-shaped cross section. The protector main body 3 is formed by a bottom wall portion 31 and a pair of side wall portions 32 and 33 that rise from the left and right sides of the bottom wall portion 31 in the same direction. The bottom wall portion 31 and the side wall portions 32 and 33 are formed. A housing space 36 is formed, and the wire harness 7 is housed in the housing space 36. The upper surface of the protector body 3 is an opening 34 that is opened, and a plurality of wire harnesses 7 are dropped into the storage space 36 from the opening 34 and stored.

  Projecting portions 35 are formed on the opposing surfaces 32 a and 33 a of the pair of side wall portions 32 and 33 in the protector body 3. The protruding portion 35 is formed at substantially the same height with respect to the pair of side wall portions 32 and 33. In this embodiment, the protruding portion 35 is formed in a rectangular cross-sectional shape, but the protruding portion 35 only has to protrude from the pair of side wall portions, and the cross-sectional shape can be changed as appropriate. In addition, the protrusion 35 is arranged along the length direction (the paper surface penetrating direction in the drawing) with respect to the side wall portions 32 and 33, and in the length direction of the pair of side wall portions 32 and 33. It may be formed continuously along the length, or may be formed in a dotted state separated at appropriate intervals along the length direction. As will be described later, the lid body 5 is engaged with the protrusion 35, and the engagement prevents the lid body 5 from being detached from the protector body 3.

  The above protector body 3 is formed by injection molding or blow molding a resin. As the resin, polyolefin resins such as polypropylene and polyethylene, polyvinyl chloride resins, polyamide resins such as nylon (trademark), and other resins can be selected.

  As shown in FIG. 2, the lid 5 is formed in a U-shaped cross section obtained by inverting the U-shaped cross section of the protector body 3. The lid 5 is formed by a closing plate portion 51, a pair of projecting leg portions 52, and a contact end 53.

  The closing plate portion 51 closes the opening 34 of the protector body 3, and the wire harness accommodated in the housing space 36 of the protector body 3 when the closing plate portion 51 closes the opening 34 of the protector body 3. 7 is prevented from falling off from the protector 1. The closing plate portion 51 is flexible by being formed into a thin plate shape, and the closing plate portion 51 is attached to the protector body 3 by a bending operation to the closing plate portion 51.

The pair of projecting leg portions 52 are extended from the left and right sides of the closing plate portion 51 in the same direction (the protector body 3 direction). In this embodiment, the projecting leg portion 52 is extended by being bent in the direction of the protector body 3 from the left and right sides of the closing plate portion 51, and is inserted into the protector body 3 in a projecting state.

   The abutting end 53 is provided on the tip side of each of the pair of projecting leg portions 52. The contact end 53 is bent from the distal end side of each of the projecting leg portions 52 toward the pair of side wall portions 32 and 33 of the protector main body 3, and the bent front end surfaces are the pair of side walls of the protector main body 3. It contacts the inner surfaces (opposing surfaces 32a, 33a) of the portions 32, 33.

  The lid 5 described above is formed by thermoforming a resin or vacuum shaping. As the resin, it is possible to select the same polyolefin resin as the protector main body 3, such as polypropylene and polyethylene, polyvinyl chloride resin, polyamide resin such as nylon (trademark), and other resins, but different from the protector main body 3. A resin material may be used.

  In this embodiment, the distance between the protrusions 35 provided on the pair of side wall portions 32 and 33 of the protector body 3 with respect to the length d2 (FIG. 2) in the width direction of the closing plate portion 51 of the lid 5. d1 (FIG. 1) is set short (d1 <d2). By setting in this way, the lid 5 can be bent as shown in FIGS. 3 and 4, and the lid 5 can be inserted into the protector main body 3 in this bent state.

After the insertion, when the bent state is released, the lid body 5 returns to its original shape, and the contact ends 53 of the projecting leg portions 52 are formed on the inner surfaces of the pair of side wall portions 32 and 33 of the protector body 3. The lid body 5 is in a state of covering the wire harness 7 inside the protector body 3 by the contact. Further, in this state, the closing plate portion 51 of the lid 5 is positioned below the pair of projections 35 of the protector body 3 and the projection 35 is engaged with the projection 35 from below. This prevents the lid body 5 from being removed.

   Next, a procedure for housing the wire harness 7 in the protector 1 according to this embodiment will be described.

  First, as shown in FIG. 1, the wire harness 7 is dropped into the accommodation space 36 from the opening 34 on the upper surface of the protector body 3. Thereafter, as shown in FIG. 2, the lid 5 is dropped into the protector main body 3 from the opening 34 and inserted. At the time of this insertion, as shown in FIG. 3, the closing plate portion 51 of the lid 5 is bent to a width smaller than the distance d1 between the projections 35 of the protector body 3, and in this bent state, FIG. As shown in FIG. After passing through the protrusion 35, the closing state of the closing plate 51 is released and the closing plate 51 is returned to the original state.

FIG. 5 shows this state, and both side portions of the closing plate portion 51 in the width direction engage with the lower surface of the projection portion 35 of the protector body 3, and the contact end 53 of the projecting leg portion 52 is a pair of the protector body 3. It will be in the state contact | abutted to the inner surface (opposing surface 32a, 33a) of the side wall parts 32 and 33 of this. As a result, the lid 5 does not come off from the protector body 3 and the lid 5 closes the opening 34 of the protector body 3, and the wire harness 7 is pushed down below the protrusion 35 in the protector 1. Can be accommodated.

According to such an embodiment, the lid body 5 and the protector main body 3 are placed in a state in which the lid body 5 is pushed down to the lower side of the projection portion 35 and both side portions of the closing plate portion 51 are engaged with the projection portion 35. The wire harness 7 is not bitten between the opening 34 and the edge of the opening 34, and the wire harness 7 can be prevented from being damaged.

Further, since the lid body 5 is securely held by the protector body 3 by engaging the lid body 5 with the protrusion 35, the lid body 5 is not detached from the protector body 3. For this reason, tape winding for preventing the lid 5 from falling off is not required, and the tape usage can be reduced and the work process can be simplified.

Further, there is no need to provide a lock arm for holding the lid 5 on the protector main body 3 or an engagement portion of the lock arm. For this reason, the shapes of the lid 5 and the protector main body 3 are simplified, the structure of the mold for molding them is simplified, the mold cost can be reduced, and the manufacturing cost of the protector 1 can be reduced. It becomes possible.

[Second Embodiment]
6 to 8 show a protector 1A according to a second embodiment of the present invention. In the protector 1A of this embodiment, the protector body 3 is bent in the length direction. This is for matching with the wiring path of the wire harness 7, and the lid 5 inserted from the opening 34 of the protector main body 3 has a bent shape similar to that of the protector main body 3.

In this embodiment, the projection 35 provided on the inner surfaces (opposing surfaces 32a, 33a) of the pair of side wall portions 32, 33 of the protector body 3 is formed by a rectangular plate projection 35a and a triangular plate projection 35b. The projecting portion 35 prevents the lid body 5 from coming off when the lid body 5 is engaged. The projecting portion 35 for this purpose is either a rectangular plate-shaped projecting portion 35a or a triangular plate-shaped projecting portion 35b. It may be good, and shapes other than this may be sufficient.

   In this embodiment, the fastening portion 37 is formed on the protector body 3. A plurality of fastening portions 37 are provided at appropriate intervals along the length direction of the protector body 3 so as to be positioned on the outer surfaces of the pair of side wall portions 32 and 33. Each fastening portion 37 is formed by a pair of side pieces 37a, a bottom piece 37b connecting the pair of side pieces 37a, and a bolt hole 38 formed in the bottom piece 37b. The bottom piece 37 b of the fastening portion 37 is provided so as to be located on the same plane as the bottom wall portion 31 of the protector body 3.

In the structure provided with the fastening portion 37, the fastening portion 37 is fixed to the vehicle body by inserting a bolt (not shown) into the bolt hole 38 and screwing the bolt into the vehicle body (not shown), and the entire protector 1A is attached to the vehicle body. Fixed. Thereby, the wiring state of the protector 1A to the vehicle body is stabilized.

   Also in this embodiment, as in the first embodiment, the protector body 3 is formed by the bottom wall portion 31 and the pair of side wall portions 32 and 33 raised from the left and right sides of the bottom wall portion 31. Protrusions 35 (35a, 35b) are formed on the inner surfaces (opposing surfaces 32a, 33a) of the side walls 32, 33. Further, a flexible closing plate portion 51 that closes the opening 34 of the protector body 3, a pair of protruding leg portions 52 formed by bending from the left and right side portions of the closing plate portion 51, and a protruding leg portion The lid body 5 is formed by an abutment end 53 that is formed on the front end side of the 52 and abuts against the inner surfaces of the pair of side wall portions 32 and 33 of the protector body 3.

  Therefore, also in this embodiment, the lid 5 can be attached to the protector body 3 in the same procedure as in the first embodiment. As a result, the lid 5 is pushed to the lower side of the projection 35 and engaged with the projection 35, so that the wire harness 7 is connected between the lid 5 and the edge of the opening 34 of the protector body 3. It does not bite and the wire harness 7 is not damaged.

Further, since the lid body 5 is securely held by the protector body 3 by the engagement with the projection 35, the lid body 5 is not detached from the protector body 3, and the tape winding for preventing the lid body 5 from falling off is performed. This eliminates the need to reduce the tape usage and simplify the work process.

Further, since it is not necessary to provide a lock arm for holding the lid body 5 on the protector body 3 or an engaging portion of the lock arm, the shapes of the lid body 5 and the protector body 3 are simplified, and the structure of a mold for molding them. The die cost can be reduced, and the manufacturing cost of the protector 1 can be reduced.

DESCRIPTION OF SYMBOLS 1, 1A Protector 3 Protector main body 5 Cover body 7 Wire harness 31 Bottom wall part 32, 33 Side wall part 32a, 33a Opposing surface 34 Opening part 35 Projection part 36 Storage space 37 Fastening part 51 Closure board part 52 Projection leg part 53 Close end

Claims (3)

A protector body that is formed in a U-shaped cross section with a bottom wall portion and a pair of opposite side wall portions that rise in the same direction from both sides of the bottom wall portion, and in which the wire harness is housed from the opening on the top surface, and the protector body A protector comprising a lid for closing the opening.
The lid includes a flexible closing plate portion that closes the opening of the protector body, a pair of projecting leg portions that extend in the same direction from both sides of the closing plate portion, and the pair of protrusions. Each formed on the distal end side of the tension leg portion and abutting ends abutting against the inner surfaces of the pair of side wall portions of the protector body,
The protector body is provided with projections on the opposing surfaces of the pair of side wall portions, the protrusions engaging the closing plate portion with the lid closing the opening of the protector body. . The protector according to claim 1, wherein
The distance between the protrusion part provided in the said pair of side wall part is set shorter than the length of the width direction of the closure board part of the said cover body, The protector characterized by the above-mentioned. The protector according to claim 1 or 2,
The protector according to claim 1, wherein the abutting ends are bent toward the pair of side wall portions from a distal end side of the projecting leg portion.

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