JP6924132B2 - Wire harness protector - Google Patents

Description

The present invention relates to a protector that protects a wire harness.

As a vehicle component, for example, as in Patent Document 1, there is a protector that protects a wire harness. Some of the protectors include a protector main body on which a wire harness is arranged, and a cover member that is attached to the opening of the protector main body in the form of a cover. Among them, unlike Patent Document 1, there is one in which two wire harnesses are arranged side by side on the protector main body.

In such a protector, the wire harness pushes up the cover member, which may cause the protector body and the cover member to be disassembled. In the case of a protector in which two wire harnesses are arranged side by side, the width of the cover member in the arrangement direction of the wire harnesses becomes long, so that the center of the cover member is easily pushed upward. This makes it easier for the protector body and the cover member to come off.

Japanese Unexamined Patent Publication No. 2016-096601

An object of the present invention is that in a wire harness protector in which a cover member is assembled to a protector main body in which wire harnesses can be arranged side by side, the protector main body and the cover member are more difficult to come off, and the protector main body and the cover member are connected to each other. The purpose is to make it difficult for misassembly to occur.

Means for Solving Problems and Effects of Invention

In order to solve the above problems, the protector for a wire harness of the present invention is used.
A protector main body having a section in which wire harnesses can be arranged side by side and a cover member formed separately from the protector main body and assembled so as to close the opening of the protector main body are provided.
The protector body is between a bottom wall portion in which wire harnesses are arranged side by side, an outer wall portion that rises upward from the bottom wall portion so as to sandwich the entire wire harness from both outer sides in the arrangement direction, and the wire harness. It has an inner wall portion that rises upward from the bottom wall portion so as to pass through the bottom wall portion.
Outer engaging holes are formed on the upper end side of each of the outer wall portions.
An inner engaging hole is formed on the upper end side of the inner wall portion.
The cover member is assembled by entering each of the outer engaging holes and engaging and assembling inside the outer engaging hole and entering the inner engaging hole and engaging and assembling inside the outer engaging hole. Has an inner engaging part to be attached,
The inner engaging hole portion has a first hole portion and a second hole portion that each opens upward with the partition wall portion sandwiched in the alignment direction and communicates with each other on the lower side of the partition wall portion. death,
When the inner engaging portion is assembled to the inner engaging hole portion, the inner engaging portion enters the first hole portion from above, and the engaging claw formed on the lower end side thereof makes the partition wall portion into the second hole. It is elastically deformed to the portion side, and when the engaging claw reaches the communication space below the partition wall portion, the partition wall portion elastically returns and is located above the engaging claw. While the engaging claw and the partition wall portion are locked and the inner engaging portion and the inner engaging hole portion are assembled, while the inner engaging portion and the inner engaging hole portion are assembled.
The inner wall portion allows the inner wall portion to enter the first hole portion when the inner engaging portion enters the first hole portion, and abuts the inner wall portion with a predetermined contact portion of the cover member when the inner wall portion enters the second hole portion. It is characterized by having an erroneous assembly prevention unit that prevents the entry.

According to the above-described configuration of the present invention, the protector main body is formed with an outer wall portion that sandwiches two side-by-side wire harnesses on both outer and outer sides thereof, and an inner wall portion that is located so as to separate the two wire harnesses. The protector main body and the cover member are assembled by engaging the engaging portions of the cover member with each of the engaging holes of the three wall portions. That is, not only the outer wall portions located on both the outer and outer sides of the wire harnesses arranged side by side are assembled with the cover member, but also the inner wall portion located between the outer wall portions is also assembled with the cover member. , It is possible to counter the push-up of the wire harness at the center of the cover member, and it is possible to prevent the cover member from coming off from the protector body due to this.

In addition, according to the configuration of the present invention, the inner engaging hole portion of the inner wall portion has two holes (first hole portion and second hole portion) arranged in the arrangement direction of the wire harness. On the other hand, the inner engaging portion formed on the cover member enters the first hole of the two holes from above when assembled to the inner engaging hole of the protector body, and is assembled inside the first hole. .. On the other hand, the second hole portion of the two holes receives the partition wall portion pushed out by the engaging claw of the inner engaging portion. In this way, in the series of operations of assembling the protector body and the cover member, the engaging claw and the partition wall part move in the direction in which the wire harness is arranged, but the second hole part and the lower communication space Accepts those actions. That is, those operations are limited to the inside of the inner wall portion and have no effect on the wire harness arranged outside the inner wall portion. Specifically, the engaging claws do not protrude outside the inner wall portion to enter the arrangement space of the wire harness and come into contact with the wire harness to cause damage.

However, when two holes, the first hole portion and the second hole portion, are provided side by side, the inner engaging portion formed in the cover member mistakenly enters the second hole portion instead of the first hole portion. There is a possibility that it will end up. According to the above-described configuration of the present invention, when the inner engaging portion enters the first hole portion, the inner wall portion allows the inner wall portion to enter the inner wall portion, and when the inner wall portion enters the second hole portion, a predetermined contact of the cover member is allowed. An erroneous assembly prevention part that comes into contact with the contact part is provided. Therefore, erroneous assembly in which the inner engaging portion accidentally enters the second hole portion does not occur.

As described above, according to the present invention, the inner wall portion is used to realize a reliable assembly in which the center of the cover member is not pushed upward, and the wire harness on the outer side of the inner wall portion is formed by forming two holes. It is a structure that realizes the point that does not affect the above and the point that erroneous assembly due to the existence of two holes is prevented at the same time.

The inner wall portion in the present invention may not have an opening penetrating the inner engaging hole portion on the wall surface on the side where the wire harness is arranged. As a result, it is possible to completely eliminate the possibility that the movement of the engaging claw and the partition wall portion that occurs in the series of movements of assembling the protector main body and the cover member affects the outside of the inner wall portion. Further, since the opening is not formed in the inner wall portion, it is possible to eliminate the uneven shape due to the opening on the outer surface of the inner wall portion, and the wire harness arranged on the outside of the inner wall portion comes into contact with the uneven shape due to the opening. There will be no adverse effects such as being damaged.

In the present invention, one of the misassembled prevention portion and the predetermined contact portion is an insertion hole portion, and the other is the insertion hole when the inner engaging portion enters the first hole portion. It is an insertion portion to be inserted into the portion, and when the inner engaging portion enters the second hole portion, the insertion portion abuts on the tip portion surrounding the opening of the insertion hole portion to prevent the insertion portion. Can be configured to. As a result, it is possible to realize a structure that reliably prevents erroneous assembly of the first hole portion and the second hole portion.

In the present invention, the misassembly prevention portion may be a tubular insertion hole portion that opens upward, and the predetermined contact portion may be an insertion portion that protrudes downward. In this case, in the protector body, the first hole portion and the second hole portion are formed together with the insertion hole portion in the inner wall portion, and the openings of the three hole portions are formed in the tip surface of the inner wall portion. On the other hand, when the cover member is assembled on the base end side of the insertion portion and the inner engaging portion when the insertion portion is inserted into the insertion hole portion and the inner engaging portion is inserted into the first hole portion and assembled. It has a seating surface that is close to or in contact with the tip surface of the inner wall portion. According to this structure, the position of the seat surface is not on the protector body side but on the cover member side. It is hard to cause damage by sandwiching.

In the present invention, the axis of the insertion hole is the distance between the axes of the first hole and the second hole in a state where the inner engaging portion is assembled to the inner engaging hole. When moved to the second hole side opposite to the first hole part in the alignment direction, it can be formed so as to take a position overlapping the tip portion surrounding the opening of the insertion hole part. By setting the axis of each hole in this way, when the inner engaging part accidentally enters the second hole, the insertion is ensured by the contact between the insertion part and the tip of the insertion hole. Can be stopped.

The erroneous assembly prevention portion in the present invention can be formed in the inner wall portion adjacent to the inner engaging hole portion in the longitudinal direction of the wire harness. As a result, the width of the inner wall portion in the arrangement direction of the wire harness can be narrowed, so that the protector can be miniaturized and can be easily mounted on the vehicle.

The outer engaging hole portion in the present invention can be formed so as to open upward in the outer wall portion so as to project on the opposite side to the wire harness. On the other hand, the outer engaging portion enters the outer engaging hole portion in a form of elastically deforming the large outer wall portion located on the protruding outer side of the outer engaging hole portion to the protruding outer side, and engages on the lower end side thereof. It can be formed so as to be assembled to the outer engaging hole portion by wrapping around the lower side of the large outer wall portion and locking the joint claw. According to this configuration, the engagement assembly between the outer engagement hole portion and the outer engagement portion engages the engagement portion from above in the same manner as the engagement assembly between the inner engagement hole portion and the inner engagement portion. Since it can be assembled so as to enter the joint hole portion, the cover member and the protector main body can be easily assembled.

The perspective view which showed the protector for a wire harness which is an Example of this invention. An exploded perspective view of the protector for the wire harness of FIG. The front view of the protector for a wire harness of FIG. The exploded front view of the protector for a wire harness of FIG. The plan view of the protector body of FIG. The bottom view of the cover member of FIG. FIG. 5 is a cross-sectional view showing the protector for a wire harness of FIG. 1 using a cross section taken along the line AA of FIG. 5 and a cross section taken along the line BB of FIG. A cross-sectional view showing a state before assembling the wire harness protector of FIG. 1 using a cross section taken along the line AA of FIG. 5 and a cross section taken along the line BB of FIG. FIG. 5 is a diagram showing elastic deformation that occurs when the outer engaging portion and the outer engaging hole portion are assembled in the wire harness protector of FIG. 1. FIG. 5 is a diagram showing elastic deformation that occurs when the inner engaging portion and the inner engaging hole portion are assembled in the wire harness protector of FIG. 1. FIG. 3 is a partial perspective view showing normal assembly of the protector main body and the cover member in the wire harness protector of FIG. FIG. 3 is a partial perspective view showing a state in which the protector for a wire harness of FIG. 1 is prevented from being erroneously assembled between the protector main body and the cover member.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 and 2, the wire harness protector 1 of the present embodiment includes a protector main body 2 having a section (arrangement portion 2Y1) in which the wire harnesses 100 and 100 arranged side by side can be arranged, and a protector. A cover member 3 which is formed separately from the main body 2 and is assembled so as to close the opening of the protector main body 2 is provided. The outer circumference of the wire harness 100 of FIG. 1 is covered with a tubular corrugated tube 200.

As shown in FIGS. 2 to 5, the protector main body 2 includes a bottom wall portion 21 in which wire harnesses 100 and 100 are arranged side by side, and the entire wire harnesses 100 and 100 in the arrangement direction X (hereinafter, referred to as direction X). ), The outer wall portions 22 and 22 rising upward from the bottom wall portion 21 so as to be sandwiched from both outer sides, and the inner wall portion 23 rising upward from the bottom wall portion 21 so as to pass between the wire harnesses 100 and 100, respectively. .. The protector main body 2 is formed so as to open (open) the upper side, and the wire harnesses 100 and 100 can be arranged from the upper opening.

As shown in FIG. 5, the bottom wall portion 21 and the outer wall portions 22, 22 are formed so as to extend in the longitudinal direction Y (hereinafter, referred to as the direction Y) of the wire harness 100 to be arranged. The outer wall portion 22 here is formed so that one extends linearly in the direction Y, the other extends linearly in the direction Y, and the outer wall portion 22 extends to one end (upper end in FIG. 5). Therefore, it is formed so as to be connected to the wall portion 24 extending in the direction X.

The inner wall portion 23 is formed so as to extend linearly in the direction Y at a position sandwiched between the outer wall portions 22 and 22, but the length thereof is shorter than that of the outer wall portion 22. Here, the inner wall portion 23 has an end surface 23a at the same position as the end faces 22a, 22a of the outer wall portions 22, 22 on the first side (lower side in FIG. 5) in the direction Y, and the direction opposite to the end faces 23a. It is formed to extend toward the second side of Y (upper side in FIG. 5), but is interrupted in the middle of the formation, and has a shorter shape than the outer wall portions 22 and 22.

As shown in FIG. 5, the protector main body 2 having such a shape has outer wall portions 22, 22 in the forming section of the inner wall portion 23 in the direction Y (here, the first side in the direction Y: the lower side in FIG. 5). It has a first side arrangement portion 2X1 between one of the inner wall portions 23 and a second side arrangement portion 2X2 between the other of the outer wall portions 22 and 22 and the inner wall portion 23, and one wire harness 100 is provided. It has a branch arrangement portion 2Y1 that can be arranged on each bottom wall portion 21 so as to be sandwiched by each. On the other hand, in the non-formed section of the inner wall portion 23 in the direction Y (here, the second side in the direction Y: the upper side in FIG. 5), the wire harness 100 is sandwiched between the outer wall portions 22 and 22 without being divided by the inner wall portion 23. It has a non-branched arrangement portion 2Y2 that can be arranged on the bottom wall portion 21 in shape. As a result, the wire harnesses 100 and 100 can be arranged in the branch arrangement portion 2Y1 with the inner wall portion 23 sandwiched between them, and the wire harnesses 100 and 100 can be arranged in the non-branch arrangement portion 2Y2 by merging them. Two openings 2H1 and 2H1 are formed side by side in the branch arrangement portion 2Y1, and one opening 2H2 is formed in the non-branch arrangement portion 2Y2 on the opposite side thereof. , 2H1 and so as to extend outward from the opening 2H2. The opening 2H2 of the non-branched arrangement portion 2Y2 here is formed unevenly on the same side as one of the openings 2H1 and 2H1 of the branch arrangement portion 2Y1, and the opposite side is closed by the wall portion 24.

The wire harnesses 100 and 100 in the branch arrangement portion 2Y1 shown by the broken lines in FIG. 5 have a shape as if they were bundled as one wire harness 100 in the non-branch arrangement portion 2Y2. It may be bundled as a wire harness 100, or two may be arranged side by side without being bundled. The protector main body 2 includes a branch arrangement portion 2Y1 having two wire harness arrangement spaces divided by an inner wall portion 23, a non-branch arrangement portion 2Y2 having one wire harness arrangement space connected to the two wire harness arrangement spaces, and the like. As long as it is formed, the actual arrangement form of the wire harness on the arrangement portions 2Y1 and 2Y2 may be any form as long as it can be arranged.

As shown in FIGS. 4 and 5, the branch arrangement portion 2Y1 has different widths in the direction X of the arrangement space of the wire harness 100 between the first side arrangement portion 2X1 and the second side arrangement portion 2X2. Here, the width of the first side arrangement portion 2X1 is wider than that of the second side arrangement portion 2X2 in the direction X of the wire harness arrangement space formed between the outer wall portion 22 and the inner wall portion 23. Specifically, as shown in FIGS. 3 and 4, the first side arrangement portion 2X1 and the second side arrangement portion 2X2 here are upward by the outer wall portion 22, the bottom wall portion 21, and the inner wall portion 23. The U-shaped inner wall surface 2x1 and 2x2 are formed. The U-shaped inner wall surfaces 2x1 and 2x2 have maximum widths d1 and d2 facing each other in the direction X at positions at predetermined heights from the bottom wall portion 21. Here, the maximum width d1 of the first side arrangement portion 2X1 is wider than the maximum width d2 of the second side arrangement portion 2X2. As a result, wire harnesses having different thicknesses (diameters) can be arranged between the first side arrangement portion 2X1 and the second side arrangement portion 2X2.

The U-shaped inner wall surfaces 2x1 and 2x2 are not formed with openings penetrating the space formed inside the inner wall portion 23 (the space inside the inner engaging hole portion 23H described later). As a result, the external wire harnesses 100 and 100 are not affected by the assembling operation (engagement operation) that occurs inside the inner wall portion 23.

Ribs 2L are formed on the U-shaped inner wall surfaces 2x1 and 2x2, respectively. The rib 2L can enter the annular groove continuously formed in the longitudinal direction on the outer peripheral surface of the corrugated tube 200 covering the wire harness 100, and the wire harness 100 covered with the corrugated tube 200 is on the first side. When arranged in the arrangement portion 2X1 or the second side arrangement portion 2X2, the deviation in the direction Y can be prevented.

As shown in FIG. 5, the non-branched arrangement portion 2Y2 forms a U-shaped inner wall surface 2y that opens upward by one outer wall portion 22, a bottom wall portion 21, and the other outer wall portion 22. However, as compared with the first side arrangement portion 2X1 and the second side arrangement portion 2X2, the bottom surface of the inner wall surface 2y is formed wider and flatter in the direction X. Further, in this embodiment, the rib 2L is not formed in the non-branched arrangement portion 2Y2.

As shown in FIGS. 2 and 5, the protector main body 2 has an outer engaging hole portion 22H formed on the upper end side of each of the outer wall portions 22 and 22 for assembling the cover member 3, and the upper end of the inner wall portion 23. An inner engaging hole portion 23H is formed on the side. On the other hand, as shown in FIGS. 2 and 6, the cover member 3 covers the wire harnesses 100 and 100 from above in the assembled state with the protector main body 2 and closes the opening on the upper side of the protector main body 2. Similarly, in the assembled state with the protector main body 2, the outer wall portions 22 and 22 project downward from both sides of the direction X of the cover main body portion 31 so as to sandwich the outer wall portions 22 and 22 from both outer sides of the direction X, and extend linearly in the direction Y. It has parts 36 and 36. One end of the outer wall portions 36, 36 is curved so as to approach the outer engaging portion 34. Further, the cover member 3 protrudes downward from the cover main body 31, enters each outer engaging hole 22H, engages with each other inside, and is assembled with the outer engaging portions 32, 32, and the cover main body 31. It has an inner engaging portion 33 that protrudes downward from the surface, enters the inner engaging hole portion 23H, and engages and assembles inside the inner engaging hole portion 23H. Further, the cover main body 31 is formed with ribs 3L at positions facing the ribs 2L of the protector main body 2 on the upper side thereof.

As shown in FIG. 4, the inner engaging portion 33 has a plate-shaped downward protruding portion 33A protruding downward from the center or the periphery (near the center) of the direction X of the cover main body portion 31, and the lower end of the downward protruding portion 33A. It has an engaging claw 33B formed so as to project in the direction X on the side. The lower end (tip) of the downward projecting portion 33A here is formed in a tapered shape in which the thickness in the direction X is thinner and the width in the direction Y is narrower toward the lower end side. Furthermore, as for the lower end (tip) of the downward protruding portion 33A, only the surface on the first side in the direction X (here, it can be said to be the surface opposite to the protruding direction of the engaging claw 33B) is the inner engaging hole portion 23H. It is formed as an inclined surface that descends in the insertion direction Z into (first hole portion 23H1). Further, the engaging claw 33B protruding in the direction X protrudes to the second side in the direction X here, and also faces the lower end of the engaging claw 33B on the second side surface in the direction X toward the insertion direction Z. An inclined surface is formed.

As shown in FIGS. 8 and 10, the inner engaging hole portions 23H each open upward with the partition wall portion 23T sandwiched in the direction X, and the communication space 23S communicating with each other on the lower side thereof. Has a first hole portion 23H1 and a second hole portion 23H2 in which the above-mentioned is formed. Here, the first hole portion 23H1 is formed on the first side arrangement portion 2X1 side, and the second hole portion 23H2 is formed on the second side arrangement portion 2X2 side. Further, the first hole portion 23H1 and the second hole portion 23H2 have the same hole width in the direction X (see the left figure in FIG. 10). However, the first hole portion 23H1 is formed in a shape such that the hole width (here, the width in the direction X) becomes wider toward the upper side (see FIG. 8). Specifically, a slope that descends downward toward the center of the hole is formed around the first hole 23H1 so as to encourage insertion from above. On the other hand, the second hole portion 23H2 does not have a shape having such a slope.

As shown in FIG. 4, the outer engaging portions 32, 32 are formed at positions sandwiching the inner engaging portions 33 from both outer sides in the direction X. The outer engaging portions 32, 32 are formed so as to have a plate-shaped downward projecting portion 32A projecting downward from both ends in the direction X of the cover main body portion 31 and an outward projecting portion in the direction X on the lower end side of the downward projecting portion 32A. Each has an engaging claw 32B. The lower end (tip) of the downward projecting portion 32A here is formed in a tapered shape in which the thickness in the direction X is thinner and the width in the direction Y is narrower toward the lower end side. Furthermore, as for the lower end (tip) of the downward protruding portion 32A, only the inner surface in the direction X (here, it can be said to be the surface opposite to the protruding direction of the engaging claw 32B) is directed to the outer engaging hole portion 22H. It is formed as an inclined surface that descends toward the insertion direction Z. Further, the engaging claw 32B that protrudes outward in the direction X has an inclined surface that descends in the insertion direction Z on the outer surface of the direction X at the lower end thereof.

As shown in FIGS. 8 and 9, the outer engaging hole portions 22H and 22H are formed at positions sandwiching the inner engaging hole portions 23H from both outer sides in the direction X. The outer engaging holes 22H and 22H penetrate vertically in the outer wall portions 22 and 22 so as to project outward in the direction X (opposite to the arrangement space side of the wire harnesses 100 and 100) in a U shape. It is a hole formed so as to. Specifically, in the outer wall portions 22 and 22, a large outer wall that connects the protruding wall portions 22P and 22P that project outward in the direction X in a form facing the direction Y and the protruding wall portions 22P and 22P on the tip side. It is formed with a portion 22Q (connecting wall portion). The outer engaging hole portions 22H and 22H here are formed in a shape such that the hole width (here, the width in the direction X) becomes wider toward the upper side. Specifically, a slope that descends downward toward the center of the hole is formed around the first hole 23H1 to encourage insertion from above.

Here, a method of assembling the protector main body 2 and the cover member 3 will be described.

As shown in FIG. 7, the protector main body 2 and the cover member 3 are assembled by inserting the inner engaging portion 33 of the cover member 3 into the inner engaging hole 23H of the protector main body 2 and the outer engaging hole of the protector main body 2. The outer engaging portions 32, 32 of the cover member 3 are made to enter the portions 22H, 22H, and the inner engaging portions 33 and the outer engaging portions 32, 32 are brought into the inner engaging hole portions 23H and the outer engaging hole portions 22H, 22H. It is made by engaging with and assembling.

When the outer engaging portion 32 is assembled to the corresponding outer engaging hole portion 22H, the downward protruding portion 32A of the outer engaging portion 32 is made to enter the outer engaging hole portion 22H from above. This approach proceeds in a form in which the engaging claw 32B of the downward projecting portion 32A pushes the large outer wall portion 22Q outward in the direction X to elastically deform it (see FIG. 9). Then, when the engaging claw 32B reaches the lower side of the large outer wall portion 22Q, the engaging claw 32B enters the lower side of the large outer wall portion 22Q, while the large outer wall portion 22Q elastically returns and engages. It is located above the joint claw 32B (see FIG. 7). As a result, the engaging claw 32B and the large outer wall portion 22Q are in a locked state (locked state). As a result, the outer engaging portion 32 and the outer engaging hole portion 22H are assembled in a retaining state.

The inner engaging portion 33 is also assembled to the inner engaging hole portion 23H in the same manner as the outer engaging portions 32 and 32. That is, when the inner engaging portion 33 is assembled to the inner engaging hole portion 23H, the downward protruding portion 33A of the inner engaging portion 33 is made to enter the first hole portion 23H1 of the inner engaging hole portion 23H from above. This approach proceeds in a form in which the engaging claw 33B of the downward projecting portion 33A pushes the partition wall portion 23T separating the first hole portion 23H1 and the second hole portion 23H2 toward the second hole portion 23H2 and elastically deforms the partition wall portion 23T. (See FIG. 10). Then, when the engaging claw 33B reaches the lower side of the partition wall portion 23T (that is, when it reaches the communication space 23S below the partition wall portion 23T), the engaging claw 33B reaches the communication space 23S. While entering, the partition wall portion 23T elastically returns and is located above the engaging claw 33B (see FIG. 7). As a result, the engaging claw 33B and the partition wall portion 23T are in a locked state (locked state). As a result, the inner engaging portion 33 and the inner engaging hole portion 23H are assembled in a retaining state.

In the protector main body 2 of this embodiment, as shown in FIG. 5, in addition to the outer engaging holes 22H and 22H, the outer engaging holes 24H and 25H are combined with the outer engaging holes 22H and 22H. It is formed in the same way. Further, as shown in FIG. 6, the cover member 3 is engaged with the outer engaging holes 24H and 25H in addition to the outer engaging portions 32 and 32, and is engaged and assembled inside the outer engaging holes 24H and 25H. The portions 34 and 35 are formed in the same manner as the outer engaging portions 32 and 32. These outer engaging holes 24H, 25H and the outer engaging portions 34, 35 are also engaged with the outer engaging portions 32, 32, 33 as the engaging holes 22H, 22H, 23H are assembled. Assemble the joint portion 32 and the outer engagement hole portion 22H in the same manner.

However, in the protector main body 2 in which the first hole portion 23H1 and the second hole portion 23H2 are formed side by side in the inner engaging hole portion 23H, the inner engaging portion 33 of the cover member 3 is mistakenly seconded. There is a possibility of entering the hole 23H2. Further, the lower end (tip) of the inner engaging portion 33 (lower protruding portion 33A) is formed in a tapered shape, which also facilitates this erroneous entry.

On the other hand, as shown in FIG. 12, the protector main body 2 allows the inner wall portion 23 to enter the inner wall portion 23 when the inner engaging portion 33 enters the first hole portion 23H1, and allows the inner wall portion 23 to enter the second hole portion 23H2. An erroneous assembly prevention portion 20 that comes into contact with a predetermined contact portion 30 of the cover member 3 when entering is provided. This prevents erroneous assembly in which the inner engaging portion 33 accidentally enters the second hole portion 23H2.

The erroneous assembly prevention portion 20 here is formed on the upper end side of the inner wall portion 23 adjacent to the inner engaging hole portion 23H in the direction Y. On the other hand, the predetermined contact portion 30 is formed adjacent to the inner engaging portion 33 in the direction Y. The erroneous assembly prevention portion 20 is an insertion hole portion 20 that opens upward on the upper end side of the inner wall portion 23, and the predetermined contact portion 30 is inserted when the inner engaging portion 33 enters the first hole portion 23H1. An insertion portion 30 that projects downward so as to be inserted into the hole portion 20 (see FIG. 11). When the inner engaging portion 33 accidentally enters the second hole portion 23H2, the insertion portion 30 comes into contact with the annular tip portion 20R surrounding the opening of the insertion hole portion 20, so that the entry can be prevented (FIG. 12). reference). The erroneous assembly prevention portion 20 here is a tubular portion having a quadrangular opening cross section (see FIG. 10), and the tip portion 20R thereof forms a quadrangular annular tip portion. Further, the predetermined contact portion 30 here is a pillar portion having a cross-shaped cross section (see FIG. 10) capable of entering the quadrangular opening of the erroneous assembly prevention portion 20.

Further, as shown in FIG. 10, the inner wall portion 23 here has a square-shaped tip surface (upper end surface), and the first hole portion 23H1 and the second hole are arranged in the direction X (left-right direction in FIG. 10). An opening of the portion 23H2 and an opening of the insertion hole portion 20 on the second side (upper side of FIG. 10) in the direction Y with respect to the hole portions 23H1 and 23H2 of both of them are formed, and the hole portions 23H1, 23H2 and 20 are formed. Axis lines Z1, Z2, Z3 take different positions in the direction X. Specifically, the axis Z3 of the insertion hole portion 20 is of the first hole portion 23H1 and the second hole portion 23H2 in a state where the inner engaging portion 33 is engaged with and assembled with the inner engaging hole portion 23H. When moved to the second hole 23H2 side opposite to the first hole 23H1 in the direction X by the distance D between the axes (arrow E in FIG. 10), the tip portion surrounding the opening of the insertion hole 20 Take a position that overlaps 20R. As a result, when the inner engaging portion 33 enters the first hole portion 23H1, the axis Z4 of the insertion portion 30 substantially coincides with the axis Z3 of the insertion hole portion 20, so that the insertion portion 30 can be inserted into the insertion hole portion 20. On the other hand, when the inner engaging portion 33 mistakenly enters the second hole portion 23H2, the axis Z4 of the insertion portion 30 deviates from the axis Z3 of the insertion hole portion 20 in the direction of the arrow E, and the annular portion of the insertion hole portion 20 is annular. Since it is located on the tip portion 20R, the insertion portion 30 comes into contact with the tip portion 20R and cannot be inserted into the insertion hole portion 20.

As described above, the wire harness protector 1 of the present embodiment has realized the reliable assembly of the protector main body 2 and the cover member 3 by utilizing the inner wall portion 23 located between the outer wall portions 22 and 22. By forming the two hole portions 23H1 and 23H2, openings (holes and dents) are not formed in the inner wall surface 2x1 and 2x2 of the inner wall portion 23, and the assembling operation portion (engagement claw) between the protector main body 2 and the cover member 3 is not formed. 33B, partition wall portion 23T) did not interfere with the arranged wire harness 100, and the point that erroneous assembly due to the presence of the two hole portions 23H1 and 23H2 was completely prevented. It has a structure realized at the same time.

Further, in the wire harness protector 1 of the present embodiment, in the inner wall portion 23, the first hole portion 23H1 and the second hole portion 23H2 arranged in the direction X are arranged on the first side (lower side in FIG. 5) in the direction Y. It is formed, and an insertion hole portion 20 is formed on the second side in the direction Y (upper side in FIG. 5), and wall portions 23T and 20RT (see FIGS. 11 and 12) are interposed between them in a T shape. However, the holes 23H1, 23H2, and 20 are partitioned. The presence of these wall portions 23T and 20RT ensures that the rigidity of the inner wall portion 23 is above a certain level.

Further, in the protector main body 2 of the present embodiment, the first hole portion 23H1 and the second hole portion 23H2 are formed together with the insertion hole portion 20 in the inner wall portion 23, and these three hole portions 20 are formed on the tip surface of the inner wall portion 23. , 23H1 and 23H2 are formed. On the other hand, in the cover member 3, the insertion portion 30 is inserted into the insertion hole portion 20 and the inner engagement portion 33 is inserted into the first hole portion 23H1 at the base end side of the insertion portion 30 and the inner engagement portion 33. It has a seating surface 3a that is close to or in contact with the tip surface of the inner wall portion 23 when assembled (see FIG. 7). According to this structure, the position of the seat surface 3a is largely biased toward the cover member 3 side (upper side of FIG. 7) instead of the protector main body 2 side (lower side of FIG. 7). It is unlikely that the wire harness 100 will be pinched and damaged when the portion 23 comes into contact with the tip surface.

Although one embodiment of the present invention has been described above, this is merely an example, and the present invention is not limited to this, and will be understood by those skilled in the art as long as it does not deviate from the scope of claims. Based on this, various changes such as additions and omissions are possible.

Hereinafter, another embodiment and modification different from the above embodiment will be described. The parts having the same functions as those in the above embodiment are designated by the same reference numerals, and detailed description thereof will be omitted. Further, the above-mentioned example and the following example can be appropriately combined and carried out within a range that does not cause a technical contradiction.

In the above embodiment, the erroneous assembly prevention portion 20 is formed as the insertion hole portion 20, and the predetermined contact portion 30 is formed as the insertion portion 30, but this may be reversed. That is, the erroneous assembly prevention portion 20 may be formed as an insertion portion extending upward on the upper end side of the inner wall portion 23, and the predetermined contact portion 30 may be formed as an insertion hole portion for receiving the insertion portion from below. .. In this case, when the inner engaging portion 33 accidentally enters the second hole portion 23H2, the insertion portion (misassembling prevention portion 20) surrounds the opening of the insertion hole portion (predetermined contact portion 30). Since it comes into contact with, the invasion can be prevented.

In the above embodiment, in the first hole portion 23H1 and the second hole portion 23H2, the first hole portion 23H1 is located on the wide first side arrangement portion 2X1 side between the outer wall portions 22 and 22 on both sides of the large outer side. It is formed. Therefore, both the first hole portion 23H1 and the inner engaging portion 33 are formed at a more central position in the direction X. On the other hand, in the first hole portion 23H1 and the second hole portion 23H2, the first hole portion 23H1 is formed on the narrow second side arrangement portion 2X2 side between the outer wall portions 22 and 22 on both sides of the large outer side. May be done. In this case, the first hole portion 23H1 deviates from the central position in the direction X and is biased toward the second side arrangement portion 2X2 side. Then, the inner engaging portion 33 of the cover member 3 is also formed at a position deviated from the central position in the direction X of the cover member 3 and biased to one of the outer engaging portions 32.

1 Protector for wire harness 2 Protector body 21 Bottom wall part 22 Outer wall part 23 Inner wall part 22H Outer engaging hole part 23H Inner engaging hole part 23H1 First hole part 23H2 Second hole part 23T Partition wall part 23S Communication space 20 Misassembly Anti-attachment part 20R Tip part 3 Cover member 31 Cover body part 32 Outer engagement part 33 Inner engagement part 33A Downward protrusion 33B Engagement claw 30 Predetermined contact part 100 Wire harness X Wire harness alignment direction Y Length of wire harness direction

Claims (7)

A protector main body having a section in which wire harnesses can be arranged side by side and a cover member formed separately from the protector main body and assembled so as to close the opening of the protector main body are provided.
The protector body is between a bottom wall portion in which wire harnesses are arranged side by side, an outer wall portion that rises upward from the bottom wall portion so as to sandwich the entire wire harness from both outer sides in the arrangement direction, and the wire harness. It has an inner wall portion that rises upward from the bottom wall portion so as to pass through the bottom wall portion.
Outer engaging holes are formed on the upper end side of each of the outer wall portions.
An inner engaging hole is formed on the upper end side of the inner wall portion.
The cover member is assembled by entering each of the outer engaging holes and engaging and assembling inside the outer engaging hole and entering the inner engaging hole and engaging and assembling inside the outer engaging hole. Has an inner engaging part to be attached,
The inner engaging hole portion has a first hole portion and a second hole portion that each opens upward with the partition wall portion sandwiched in the alignment direction and communicates with each other on the lower side of the partition wall portion. death,
When the inner engaging portion is assembled to the inner engaging hole portion, the inner engaging portion enters the first hole portion from above, and the engaging claw formed on the lower end side thereof makes the partition wall portion into the second hole. It is elastically deformed to the portion side, and when the engaging claw reaches the communication space below the partition wall portion, the partition wall portion elastically returns and is located above the engaging claw. While the engaging claw and the partition wall portion are locked and the inner engaging portion and the inner engaging hole portion are assembled, while the inner engaging portion and the inner engaging hole portion are assembled.
The inner wall portion allows the inner wall portion to enter the first hole portion when the inner engaging portion enters the first hole portion, and abuts the inner wall portion with a predetermined contact portion of the cover member when the inner wall portion enters the second hole portion. A protector for a wire harness, which is characterized by having an erroneous assembly prevention portion that prevents the entry of the wire harness. The protector for a wire harness according to claim 1, wherein the inner wall portion does not have an opening penetrating the inner engaging hole portion on the wall surface on the side where the wire harness is arranged. One of the misassembly prevention portion and the predetermined contact portion is an insertion hole portion, and the other is inserted into the insertion hole portion when the inner engaging portion enters the first hole portion. The insertion portion is to be inserted, and when the inner engaging portion enters the second hole portion, the insertion portion abuts on the tip portion surrounding the opening of the insertion hole portion to prevent the insertion portion. 1 or the protector for a wire harness according to claim 2. The wire harness according to claim 3, wherein the misassembled prevention portion is a tubular insertion hole portion that opens upward, and the predetermined contact portion is the insertion portion that protrudes downward. For protector. The axes of the insertion holes are aligned by the distance between the axes of the first hole and the second hole from the position where the inner engaging hole is assembled to the inner engaging hole. The wire harness according to claim 3 or 4, which takes a position overlapping the tip portion surrounding the opening of the insertion hole portion when the wire harness is moved to the second hole portion side opposite to the first hole portion in the direction. For protector. The wire according to any one of claims 1 to 5, wherein the erroneous assembly prevention portion is formed on the inner wall portion adjacent to the inner engaging hole portion in the longitudinal direction of the wire harness. Harness protector. The outer engaging hole portion is formed so as to project on the outer wall portion on the opposite side of the wire harness and open upward.
The outer engaging portion enters the outer engaging hole portion in a form of elastically deforming a large outer wall portion located on the protruding outer side of the outer engaging hole portion to the protruding outer side, and the engaging claw on the lower end side thereof. The protector for a wire harness according to any one of claims 1 to 3, which is assembled to the outer engaging hole portion by wrapping around the lower side of the large outer wall portion and being locked.

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