JP2008199768A - Structure for harness clip installation part - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure for harness clip installation part which is easy to make initial insertion of an insertion part of a harness clip to a locking hole, and to allow the smooth insertion of the insertion part to the locking hole. <P>SOLUTION: A cylindrical part 33 having the locking hole 33a which can lock locking claws 15, 15 is protrusively formed at an internal opening rim inwardly by inserting the insertion part 14 of the harness clip 1 to the bearing face 32 of the harness clip installing part 3, formed at a motor fan shroud 2 which is a harness wiring part; and at an external rim of the locking hole 33a, there is formed an annular tapered part 33b which guides the insertion part 14 of the harness clip 1 to the locking hole 33a from the bearing face 32 of the harness clip installing part 3. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a mounting structure of a harness clip used to route a harness for supplying current to an electrical component provided in a motor fan shroud or the like on the surface of the motor fan shroud or the like.

Conventionally, as a mounting structure of a harness clip, a latch that press-fits an insertion portion of a harness clip into a seating surface that serves as a mounting portion of the harness clip in which the harness is routed and locks the locking claw to the opening edge. The thing of the structure in which the hole was formed is known (for example, refer patent document 1).
Japanese Utility Model Publication No. 7-8102

  However, in the conventional attachment structure of the harness clip, since the engagement hole is simply formed in the seating surface that becomes the attachment portion of the harness clip, the insertion portion of the harness clip with respect to the engagement hole Initial insertion is difficult, and there is a problem in that it cannot be smoothly inserted into the engagement hole without stress unless the insertion portion of the harness clip is brought into perpendicular contact with the seating surface.

  The problem to be solved by the present invention is to provide an attachment structure for a harness clip in which the initial insertion of the insertion portion of the harness clip into the engagement hole is easy and the insertion portion can be smoothly inserted into the engagement hole without stress. There is.

  In order to solve the above-mentioned problem, the harness clip mounting portion structure according to claim 1 is capable of pressing the insertion portion of the harness clip into the seating surface of the harness clip mounting portion and locking the locking claw at the inner opening edge. A cylindrical portion provided with a stop hole is formed to protrude inward, and the insertion portion of the harness clip is guided from the seating surface of the harness clip mounting portion to the engagement hole at the outer opening edge of the engagement hole. An annular taper portion is formed.

  In the harness clip mounting portion structure according to the present invention, as described above, the outer opening edge of the locking hole has an annular shape for guiding the insertion portion of the harness clip from the seating surface of the harness clip mounting portion to the locking hole. By forming the taper portion, initial insertion of the insertion portion of the harness clip into the locking hole is easy, and an effect that the insertion portion can be smoothly inserted into the locking hole without stress can be obtained.

  Embodiments of the present invention will be described below with reference to the drawings.

  The attachment structure of the harness clip according to the first embodiment corresponds to the invention described in claims 1 and 2.

  First, the attachment structure of the harness clip according to the first embodiment will be described with reference to the drawings.

  1 is a perspective view of a main part showing a motor fan shroud to which the harness clip mounting portion structure of the first embodiment is applied, FIG. 2 is an enlarged longitudinal sectional view taken along line AA of FIG. 1, and FIG. FIG. 4 is an enlarged vertical cross-sectional view of a main part of FIG. 3, and FIG. 5 is a cross-sectional view taken along line BB of FIG.

  The attachment structure of the harness clip according to the first embodiment includes a harness clip 1, a motor fan shroud (harness routing part) 2, a harness clip attachment part 3, and a harness 4.

  More specifically, as shown in FIGS. 3 and 4, the harness clip 1 includes a clip main body portion 12 provided with a harness holding band portion 11 for winding and holding the harness 4, and the clip main body portion 12. A flange 13 that is connected and spreads in a skirt shape, an insertion portion 14 that extends from the center of the flange 13 to the opposite side of the clip main body 12, and a pair of protrusions that are formed on both sides of the distal end of the insertion portion 14. The locking claws 15 and 15 are integrally formed of synthetic resin.

  As shown in FIG. 5, insertion guide taper portions 15a and 15a are formed at the tips of the locking claws 15 and 15, respectively.

  Further, the clip main body portion 12 is formed with an insertion hole 11a for inserting the harness holding band portion 11 and fastening the harness 4 and fixing the harness holding band portion 11 into the insertion hole. A plurality of locking step portions that are omitted are locked, and the tightened state of the harness 4 is maintained.

  The motor fan shroud 2 serves to guide the air flow by covering the space between the heat exchanger (not shown) and the periphery of the motor fan in order to prevent the air taken in by the motor fan (not shown) from escaping to the side. As shown in FIGS. 1 and 3, the whole is integrally formed of a synthetic resin.

  The motor fan shroud 2 is provided with a heat exchanger (not shown), and a motor fan (not shown) is accommodated in the center.

  A plurality of harness clip mounting portions 3 are formed on the outer peripheral panel portion of the motor fan shroud 2 in order to route the harness 4 for supplying power to the electrical components such as the motor fan.

  As shown in FIGS. 1 and 2, the harness clip mounting portion 3 has a seat surface 32 formed on the distal end surface of an outwardly facing tubular portion 31 protruding outward from the surface side on which the harness 4 is routed. A cylindrical portion 33 provided with a locking hole 33a that can press-fit the insertion portion 14 of the harness clip 1 into the surface 32 and lock the locking claws 15 and 15 at the inner opening edge of the insertion portion 14 protrudes inward. ing.

  An annular tapered portion 33b for guiding the insertion portion 14 of the harness clip 1 from the seating surface 32 of the harness clip mounting portion 3 to the locking hole 33a is formed at the outer opening edge of the locking hole 33a.

  4 and 5, the insertion portion 14 of the harness clip 1 inserted into the locking hole 33 a and locked with the locking claws 15 and 15 at the inner opening edge is the back surface of the harness clip mounting portion 3. The protruding height of the outward cylindrical portion 31 is formed at a height that does not protrude to the side.

  Next, the operation of the first embodiment will be described.

  Since the harness clip mounting portion structure of the first embodiment is configured as described above, when the distal end of the insertion portion 14 of the harness clip 1 is pressed against the seating surface 32 of the harness clip mounting portion 3, first, an annular taper portion is formed. Since it is in a state of being positioned by being drawn into 33b, by further pushing in this state, the insertion portion 14 is guided by the annular taper portion 33b and smoothly inserted into the locking hole 33a without stress.

  Then, from the state in which the flange 13 is in contact with the seating surface 32, the insertion portion 14 is further pushed against the elasticity of the flange 13 so that both the locking claws 15 and 15 are tubed in a state in which the flange 13 is slightly collapsed. 4 and 5 so that the seat surface 32 and the inner opening of the tubular portion 33 are interposed between the flange 13 and the locking claws 15 and 15, respectively. The attachment is completed in a state where the harness clip 1 is prevented from coming off while being tightened between the edges.

  Next, the effect of the first embodiment will be described.

  In the harness clip mounting portion structure according to the first embodiment, as described above, the outer opening edge of the locking hole 33a is inserted into the locking hole 33a from the seating surface 32 of the harness clip mounting portion 3. 14 is formed, it is easy to initially insert the insertion portion 14 of the harness clip 1 into the locking hole 33a, and the insertion portion 14 can be smoothly inserted into the locking hole 33a without stress. The effect of being able to do it is obtained.

  In addition, since the initial insertion of the insertion portion 14 of the harness clip 1 into the engagement hole 33a is easy, the insertion portion 14 of the harness clip 1 does not come into contact with the seating surface 32 perpendicularly. Since it can be smoothly inserted without stress, the insertion portion 14 is inserted into the locking hole 33a from the state in which the harness clip 1 in a state in which the harness holding band portion 11 is wound and held around the harness 4 is inclined with respect to the seat surface 32. Thus, when the insertion portion 14 is inserted perpendicularly to the locking hole 33a, the harness 4 can be pulled and wired in a straight state without slack.

  Further, the insertion portion 14 of the harness clip 1 inserted into the locking hole 33a and locked with the locking claws 15 and 15 at the inner opening edge portion faces outward so as not to protrude to the back side of the harness clip mounting portion 3. By forming the protruding height of the cylindrical portion 31, the insertion portion 14 is not exposed from the back surface side of the motor fan shroud 2, so that a tool or the like hits the distal end portion of the insertion portion 14 during work or the like and is prevented from coming off. Will be able to.

  Next, another embodiment will be described. In the description of the other embodiments, the same components as those of the first embodiment are not shown, or the same reference numerals are given and the description thereof is omitted, and only the differences are described.

  This Example 2 shows the modification of the attachment part structure of the harness clip in Example 1, FIG. 6 (front view of a harness clip attachment part), FIG. 7 (the longitudinal cross section in the CC line of FIG. 6) As shown in FIG. 8 and FIG. 8 (cross-sectional view taken along line DD in FIG. 6), the insertion portion 14 of the harness clip 1 is inserted into the locking hole 33a in a part of the annular taper portion 33b and the cylindrical portion 33. The point which the notch parts 33c and 33c through which the latching claws 15 and 15 can pass smoothly at the time of insertion differs is the said Example 1.

  In other words, in the second embodiment, since the configuration is as described above, the insertion portion 14 is placed in the locking hole 33a by aligning the positions of both the locking claws 15 and 15 of the harness 4 with the positions of the notches 33c and 33c. The flange 13 is slightly crushed by pushing the insertion portion 14 further against the elasticity of the flange 13 and rotating the insertion portion 14 by 90 degrees from the state in which the flange 13 is in contact with the seating surface 32. In this state, the locking claws 15 and 15 engage with the inner opening edge of the cylindrical portion 33, whereby the seat surface 32 and the cylindrical portion 33 are interposed between the flange 13 and the locking claws 15 and 15. The attachment is completed in a state where the harness clip 1 is prevented from coming off while being clamped between the inner opening edge portion.

  And in this Example 2, in order to rotate the harness clip 1 as mentioned above, after attaching the harness clip 1, the band part 11 for harness holding is wound around the harness 4 and hold | maintained.

  In addition, the harness clip 1 is further rotated 90 degrees in a state in which the harness 4 is released from the harness holding band 11 by the harness holding band portion 11, whereby both engaging claws 15 with respect to the inner opening edge portion of the tubular portion 33. , 15 is released, and the insertion portion 14 can be easily pulled out from the locking hole 33a.

  Further, when the distal end of the insertion portion 14 of the harness clip 1 is pressed against the seating surface 32 of the harness clip mounting portion 3, the harness clip 1 is first drawn into the annular taper portion 33 b and positioned. By simply rotating, both the locking claws 15 and 15 can be guided into the both cutout portions 33c and 33c, and thereby the alignment of the both locking claws 15 and 15 with respect to the both cutout portions 33c and 33c can be easily performed. It becomes like this.

  Therefore, in the second embodiment, the same effect as in the first embodiment can be obtained, and the additional effect that the harness clip 1 can be easily attached to and detached from the motor fan mounting portion 2 can be obtained.

  Although the present embodiment has been described above, the present invention is not limited to the above-described embodiment, and design changes and the like within the scope not departing from the gist of the present invention are included in the present invention.

  For example, in the embodiment, the seat surface 32 is formed on the distal end surface of the outward cylindrical portion 31 protruding outward from the surface side on which the harness 4 is routed, but the outward cylindrical portion 31 may be omitted. .

  In the embodiment, the motor fan shroud is taken as an example of the harness routing portion, but the harness routing portion can be applied to all portions where the harness needs to be routed.

  Moreover, in the Example, although the insertion part 14 was formed in the solid shape, you may form in a hollow shape and the shape is arbitrary.

  Moreover, although the case where the harness wiring part was comprised with the synthetic resin was taken as an example, it may be metal, such as a press-formed product.

It is a perspective view of the principal part which shows the motor fan shroud to which the attachment part structure of the harness clip of Example 1 was applied. It is an expanded longitudinal cross-sectional view in the AA line of FIG. It is a perspective view which shows the wiring state of the harness by a harness clip. FIG. 4 is an enlarged vertical cross-sectional view of a main part of FIG. 3. Cross-sectional view taken along line BB in FIG. It is a front view of the harness clip attachment part in the motor fan shroud to which the attachment part structure of the harness clip of Example 2 is applied. It is a longitudinal cross-sectional view in the CC line of FIG. It is a cross-sectional view in the DD line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Harness clip 11 Harness holding | maintenance band part 11a Insertion hole 12 Clip main-body part 13 Flange 14 Insertion part 15 Locking claw 2 Motor fan shroud (harness routing part)
DESCRIPTION OF SYMBOLS 3 Harness clip attaching part 31 Outward cylindrical part 32 Seat surface 33 Cylindrical part 33a Locking hole 33b Annular taper part 33c Notch part 4 Harness

Claims (3)

A cylindrical part with a locking hole that can press the insertion part of the harness clip into the seating surface of the harness clip mounting part provided in the harness wiring part and lock the locking claw at the inner opening edge is directed inward. Projecting
An annular taper portion for guiding an insertion portion of the harness clip from the seating surface of the harness clip mounting portion to the locking hole is formed at an outer opening edge portion of the locking hole. Mounting part structure. In the attachment structure of the harness clip according to claim 1, the seat surface is formed on a distal end surface of the outward tubular portion that protrudes outward from the surface of the harness clip attachment portion.
The protruding height of the outward tubular portion is set so that the insertion portion of the harness clip inserted into the locking hole and locked with the locking claw at the inner opening edge does not protrude to the back side of the harness clip mounting portion. A harness clip mounting portion structure, wherein:   The harness clip mounting portion structure according to claim 1 or 2, wherein when the insertion portion of the harness clip is inserted into the locking hole in a part of the annular tapered portion and the cylindrical portion, the locking claw is smooth. A harness clip attachment structure, wherein a notch that can pass through is formed.

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