JP2009234492A - Side sill protector mounting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a side sill protector mounting structure capable of surely fixing a side sill protector with good appearance by a simple structure facilitating an assembling work. <P>SOLUTION: The side sill protector 42 is mounted on a mounting surface 41 of a flap 23 located on a vehicle side O side in a standing state 31. A groove part 71 having a circular-arc shape in cross section is provided on a free end part side of the mounting surface 41, and the groove part 71 is formed over the whole length of the flap 23. An insertion part 104 held in an inserted state into the groove part 71 is provided at a distal end of a distal end plane part 103 of the side sill protector 42. The insertion part 104 is formed into a circular-arc shape suitable for the groove part 71. A fixing part 111 is provided in a base end plane part 101 of the side sill protector 42. The other end part of the side sill protector 42 is fixed to the flap 23 by the fixing part 111. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a structure for attaching a side sill protector to a flap standing along a side sill.

  Conventionally, as shown in FIG. 5, a side sill 802 is provided on the side of the vehicle 801, and a side sill protector 803 is provided on the side sill 802.

  As a method of attaching the side sill protector 803 to the side sill 802, there are a method of opening attachment holes 811 and 811 in the vehicle body and fixing with fixing parts 812 and 812 such as clips and screws, and a method of fixing using a double-sided tape. Are known. At this time, the end rubber 813 is provided at the tip of the side sill protector 803 so that the gap between the vehicle body 814 and the side sill protector 803 can be filled.

On the other hand, a slide step provided with a flap that stands up along the side step during storage has been devised by the applicant of the present application (see, for example, Patent Document 1), and when a side sill protector is attached to this flap, the same as described above. Can be considered.
Japanese Patent Application No. 2006-290597

  However, in the side sill protector mounting structure, a large number of mounting holes for mounting the side sill protector are required in the flap. For this reason, a punching operation for providing a large number of mounting holes in the flap formed by the extrusion method is required, resulting in an increase in post-processing. In addition, the side sill protector attached to the flap also requires setting of the clip seat, resulting in a complicated structure.

  And the fixing method by screwing reduces the appearance quality because the screw is exposed on the surface, and the fixing method by the double-sided tape takes time and effort to stick, and the fixing only with the double-sided tape has a risk of peeling off after fixing. Remains.

  The present invention has been made in view of such conventional problems, and an object of the present invention is to provide a side sill protector mounting structure that can be securely fixed in a good-looking manner with a simple structure that is easy to assemble. is there.

  In order to solve the above-mentioned problem, in the side sill protector mounting structure according to claim 1 of the present invention, the flap of the vehicle step is mounted on the flap mounting surface located on the side of the vehicle in a standing state along the side sill. In the side sill protector attachment structure to which the side sill protector is attached, a groove portion extending in the longitudinal direction of the flap is formed on the free end portion side of the attachment surface of the flap, and is held in a state of being inserted into the groove portion. An insertion portion was formed on one side portion of the side sill protector, and a fixing portion for fixing the side sill protector to the slap was set on the other side portion of the side sill protector.

  That is, when the side sill protector is attached to the attachment surface of the flap of the vehicle step, the insertion portion provided on one side of the side sill protector is formed on the free end side of the attachment surface of the flap. Insert into the groove. Then, the one side part of the said side sill protector is hold | maintained in the free end part side of the said flap.

  And the fixing | fixed part set to the other side part of the said side sill protector is fixed to the said slap. Thereby, as for the said side sill protector, the said one side part and the said other side part are fixed to the said attachment surface of the said flap.

  Further, in the side sill protector mounting structure according to claim 2, a protrusion that protrudes toward the facing portion is extended in the longitudinal direction on the mounting surface of the flap or the inner side surface of the side sill protector facing the mounting surface. The convex strip is set between a fixing point by the groove portion and a fixing point by the fixing portion, while suppressing a deformation that the groove portion reaction force received from the contact position of the insertion portion with the groove portion gives to the side sill protector. In this way, the groove reaction force is applied to the fixed part, the fixing force applied to the fixed part, the contact position side separation distance from the contact position of the insertion part to the convex line, and the convex line to the fixed part. It was set based on the fixed part side separation distance.

  That is, in a state where the side sill protector is fixed to the attachment surface of the flap, a protruding line provided between the fixing point by the groove and the fixing point by the fixing part comes into contact with the opposing portion.

  At this time, in order to suppress the deformation that the groove reaction force exerts on the side sill protector, the groove reaction force includes a fixing force applied to the fixing portion and a position from the contact position of the insertion portion to the ridge. It is set on the basis of the contact position side separation distance and the fixed portion side separation distance from the ridge to the fixed portion.

  For this reason, while setting the external appearance quality of the said side sill protector, it sets so that the bending moment by the said protrusion may not destroy the said side sill protector.

  Furthermore, in the side sill protector mounting structure according to claim 3, when assuming a virtual parallel line parallel to a vector of convex reaction force that the side sill protector receives from the convex ridge in a state in which a fixing force is applied to the fixing portion, A vector of a groove reaction force that the insertion portion receives from a contact position with the groove extends in a crossing direction with respect to the virtual parallel line and is generated on the insertion side of the insertion portion, whereby the fixing portion The contact position is set so that the groove reaction force received by the insertion portion from the contact position in a state in which the fixing force is applied is applied in a direction that prevents the insertion portion from coming off from the groove portion. did.

  That is, when assuming a virtual parallel line parallel to the vector of the ridge reaction force that the side sill protector receives from the ridge with a fixing force applied to the fixing portion, the insertion portion receives from the contact position. The contact position is set so that the groove reaction force vector extends in a direction intersecting the virtual parallel line and is generated on the insertion side of the insertion portion.

  For this reason, when the side sill protector receives the convex strip reaction force from the convex strip, the vector of the groove portion reaction force that the insertion portion receives from the contact position causes the insertion portion to move to the insertion side. It acts in the direction of movement and is applied in a direction that prevents the insertion part from coming off from the groove part.

  As described above, in the side sill protector mounting structure according to claim 1 of the present invention, when the side sill protector is mounted on the mounting surface of the flap of the vehicle step, the difference provided on one side of the side sill protector. The side sill protector is attached to the flap only by inserting the insertion portion into the groove formed on the free end side of the attachment surface of the flap and fixing the fixing portion on the other side of the side sill protector to the slap. It can be fixed to the mounting surface. As a result, assembly is facilitated, and the assembly process can be simplified.

  At this time, one side portion of the side sill protector is fixed by inserting the insertion portion into the groove portion of the flap. For this reason, post-processing should be abolished or minimized even in the case of flaps formed by the extrusion method, compared to the conventional case where a large number of mounting holes for attaching side sill protectors had to be provided in the flap. Can improve work efficiency.

  Moreover, since it is not necessary to machine the side sill protector or set the clip seat, the structure can be simplified.

  When the flap is tilted and used as a tread surface, the end of the side sill protector is not stepped on, and problems that may occur when stepped on can be avoided.

  Furthermore, since the said insertion part provided in the said side sill protector one side part is inserted and concealed in the said groove part, the coating quality in the said one side part can be eased.

  At this time, the side sill protector is fixed in a state in which the one side portion positioned above in a state where the flap is erected along the side sill is inserted into the groove portion of the flap. For this reason, without providing an end rubber or the like between the one side part of the side sill protector located at the upper part in the flap standing state and the flap, it is possible to prevent the occurrence of a gap, and to improve the appearance and foreign matter. It is possible to prevent pinching.

  Moreover, the said groove part in which the said insertion part of the said side sill protector one side part is inserted is formed in the longitudinal direction of the said flap. For this reason, the waviness of the longitudinal direction which arose in the said side sill protector can be corrected with the said flap.

  Furthermore, compared with the case where the side sill protector is fixed with a clip or a screw, exposure of the clip or screw to the surface can be prevented, so that the appearance quality can be improved.

  In addition, as compared with the case where the side sill protector is fixed only by the double-sided tape, the affixing operation can be eased and the risk of peeling off after fixing can be reduced.

  Therefore, it is possible to provide a side sill protector mounting structure that can be fixed with good appearance with a simple structure that is easy to assemble.

  Further, in the side sill protector mounting structure according to claim 2, in the state where the side sill protector is fixed to the mounting surface of the flap, a ridge provided between a fixing point by the groove and a fixing point by the fixing portion. Is brought into contact with the opposite part.

  At this time, in order to suppress the deformation that the groove reaction force exerts on the side sill protector, the groove reaction force includes a fixing force applied to the fixing portion and a position from the contact position of the insertion portion to the ridge. It is set on the basis of the contact position side separation distance and the fixed portion side separation distance from the ridge to the fixed portion.

  Thereby, compared with the case where the side sill protector is greatly deformed, the groove reaction force received from the groove can be stabilized, the appearance quality of the side sill protector can be improved, and the bending moment received from the protrusion The destruction of the side sill protector can be reliably prevented.

  Further, the step generated between the side sill protector and the flap can be reduced by the groove reaction force.

  Furthermore, in the side sill protector mounting structure according to claim 3, assuming a virtual parallel line parallel to a vector of the convex strip reaction force that the side sill protector receives from the convex strip in a state in which a fixing force is applied to the fixing portion, The contact position is set so that the vector of the groove reaction force received by the insertion portion from the contact position extends in the direction intersecting the virtual parallel line and is generated on the insertion side of the insertion portion. .

  For this reason, the side sill protector receives the convex reaction force from the convex stripe, and thereby the vector of the groove reaction force received by the insertion portion from the contact position is transferred to the insertion portion. It can be made to work in the direction of movement, and this pressurization can prevent the insertion portion from slipping out of the groove portion, and can also prevent the side sill protector from rattling at the insertion site.

  Thereby, careless removal of the insertion portion from the groove portion can be prevented, and the side sill protector can be more firmly fixed.

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

  FIG. 1 is a diagram showing a side sill protector mounting structure according to the present embodiment, in which a side portion of a vehicle 1 is shown.

  That is, the vehicle 1 is provided with a front seat entrance 11 for getting on and off the front seat and a rear seat entrance 12 for getting on and off the rear seat. A side sill 13 having a closed cross-sectional shape extends in the vehicle front-rear direction below the rear seat entrance 12. Under the side sill 13, a vehicle step 14 for assisting getting on and off is extended from the front seat entrance 11 to the rear seat entrance 12. It is configured to be slid in the vehicle width direction by an external slide mechanism.

  As shown in FIG. 2, the vehicle step 14 is supported by a long plate-like main step 21 supported by the vehicle body via the slide mechanism, and the main step 21 so as to be able to stand up via a hinge portion 22. And a long plate-like flap 23.

  As a result, the main step 21 is extended to the side of the vehicle, the flap 23 is placed on the extension of the main step 21 to maintain the horizontal state (not shown), and the main step 21 is placed at the lower part of the vehicle. It is configured to be able to form a standing state 31 in which the flap 23 is moved backward and tilted upward with respect to the main step 21. In this standing state 31, the flap 23 is moved to the side sill 13. It can be arranged along.

  In this standing state 31, a side sill protector 42 is attached to the attachment surface 41 of the flap 23 located on the vehicle side O side.

  The flap 23 is extruded by aluminum, and the upper surface of the flap 23 is configured to form a tread surface 51 together with the upper surface of the main step 21. A shaft portion 53 that is fitted to the fitting portion 52 of the main step 21 is integrally formed at the base end portion of the flap 23, and the fitting portion 52 is rotatably fitted in the state where the fitting portion 52 is rotatably fitted. A hinge portion 22 is formed.

  The distal end side of the shaft portion 53 is formed in a hollow shape, and the lower surface constituting the distal end portion constitutes the attachment surface 41 to which the side sill protector 42 is attached. The mounting surface 41 constitutes a flat surface 61 whose base end side is parallel to the tread surface 51, and the tip end side of the flat surface 61 is an inclined surface inclined toward the tread surface 51 side toward the front end. 62 is constituted. Thereby, the front-end | tip part of the said flap 23 is comprised so that it may become thin as it goes to a front-end | tip.

  A groove portion 71 is formed on the free end side that is the tip side of the mounting surface 41, and the groove portion 71 extends in the longitudinal direction of the flap 23. The groove 71 is also formed when the flap 23 is extruded, and the groove 71 is formed over the entire length of the flap 23.

  The groove portion 71 is formed in an arc shape in cross section, and a projecting portion 81 having a semicircular cross section that protrudes toward the tread surface 51 side is formed on the wall surface of the groove portion 71 on the mounting surface 41 side. Yes. A wall surface on the tread surface 51 side of the groove portion 71 is formed in a circular arc shape that protrudes toward the tread surface 51 side.

  The inclined surface 62 constituting the mounting surface 41 is divided into a distal end side configuration portion 91 and a proximal end side configuration portion 92 by the groove portion 71, and the distal end side configuration portion 91 is the proximal end side configuration portion. It is comprised so that it may protrude in the back side from 92.

  On the other hand, the side sill protector 42 is made of a synthetic resin and has a length suitable for the flap 23. The side sill protector 42 is provided with a base end plane portion 101 disposed along the flat surface 61 of the mounting surface 41 in a state of being attached to the flap 23, and on the front end side from the base end plane portion 101. Is formed with an intermediate curved portion 102 protruding in a direction away from the flat surface 61. A distal end flat portion 103 is formed on the distal end side of the intermediate curved portion 102, and is disposed along the proximal end side configuration portion 92 of the inclined surface 62 of the mounting surface 41. An insertion portion 104 that is held in a state of being inserted into the groove portion 71 is integrally formed at the distal end.

  The insertion portion 104 is formed in a curved shape that extends toward the tread surface 51 and then curves toward the distal end, and has a circular arc shape that matches the groove 71. Accordingly, the side sill protector 42 is rotated toward the base end side of the flap 23 while the distal end of the insertion portion 104 is inserted into the groove portion 71 in accordance with the opening of the groove portion 71, thereby inserting the insertion portion 104. The portion 104 is configured to be inserted into the curved groove portion 71. In this inserted state, one side portion of the side sill protector 42 is configured to be fixed to the free end of the flap 23.

  A fixing portion 111 is provided on the base end plane portion 101 constituting the base end portion of the side sill protector 42. The fixing portion 111 is, for example, a tapping screw 112 (see FIG. 1) screwed into the flap 23. It is comprised by the insertion hole 113 which inserts (refer).

  Accordingly, the other side portion of the side sill protector 42 can be fixed to the flap 23 at the fixing portion 111 by screwing the tap screw 112 into the flap 23 in a state of being inserted into the insertion hole 113. It is configured.

  Here, in the present embodiment, the case where the fixing portion 111 is configured by the insertion hole 113 will be described. However, the present invention is not limited to this, and the side sill protector 42 may be configured to be fixed to the flap 23. It ’s fine.

  Examples of the fixing include screw fixing, clip fixing, and a fixing method using a double-sided tape. Further, a groove shape may be formed in the portion of the flap 23 facing this portion, and an engaging portion that engages with the groove shape may be provided in the side sill protector 42 to constitute the fixing portion 111.

  And the thickness dimension of the said side sill protector 42 is set to the substantially same dimension as the level | step difference dimension of the said front end side structural part 91 and the said base end side structural part 92 which comprise the said inclined surface 62 of the said attachment surface 41. In the state where the side sill protector 42 is attached to the flap 23, the inclined surface 62 of the attachment surface 41 is configured to be flat.

  As shown in FIG. 3, the inclined surface 62 of the attachment surface 41 of the flap 23 has a ridge 122 that protrudes toward the facing portion of the inner surface 121 of the side sill protector 42 to which the inclined surface 62 faces. The protrusion 122 extends in the longitudinal direction, and is set between a fixing point by the groove portion 71 and a fixing point 123 by the fixing portion 111. The ridge 122 is also formed when the flap 23 is extruded and formed over the entire length of the flap 23.

  The protrusion 122 is a groove contact point 131 that is a contact position where the insertion portion 104 contacts the groove 71 in a state in which the tapping screw 112 is screwed and a fixing force F1 is applied to the fixing portion 111. The groove part reaction force F2 is applied from the fixing force F1 applied to the fixing part 111 and the groove part contact point 131 of the insertion part 104 so that the groove part reaction force F2 received from the side sill protector 42 is prevented from being deformed. The relationship between the contact position side separation distance 135 to the protrusion contact position 122a with which the protrusion 122 contacts, and the fixed portion side separation distance 136 from the protrusion contact position 122a to the fixing portion 111, and It is set based on the height dimension of the ridge 122.

  In other words, the groove reaction force F2 suppresses the deformation that the groove reaction force F2 gives to the side sill protector 42, and the groove reaction force F2 prevents the side sill protector 42 from being damaged by a bending moment received from the ridge 122. Is defined based on the relationship between the contact position side separation distance 135 and the fixed portion side separation distance 136.

  Then, as shown in FIG. 4, a ridge reaction force vector V5 of the ridge reaction force F5 received by the side sill protector 42 from the ridge 122 in a state where the fixing force F1 is applied to the fixing portion 111 was obtained. In this case, assuming a virtual parallel line 151 parallel to the ridge reaction force vector V5, when the groove reaction force vector V2 of the groove reaction force F2 received by the insertion portion 104 from the groove contact point 131 is obtained. The groove reaction force vector V2 extends in a direction intersecting the virtual parallel line 151, and the acute angle α formed by the groove reaction force vector V2 and the virtual parallel line 151 is 0. It is configured so as to face the upper side in FIG. 4 from the virtual parallel line 151. Thereby, the groove contact point 131 is generated so that the groove reaction force vector V2 prevents the insertion portion 104 from coming off from the distal end side of the insertion portion 104, that is, the groove portion 71, and is generated on the insertion side. Is set.

  In this Embodiment concerning the above structure, when attaching the side sill protector 42 to the attachment surface 41 of the flap 23 of the step 14 for vehicles, the insertion part 104 provided in the one side part of the said side sill protector 42 is used. It inserts in the groove part 71 formed in the free end part side of the said flap 23. FIG.

  Here, as a method of inserting the insertion portion 104 into the groove portion 71, in addition to inserting the tip of the insertion portion 104 into the opening portion of the groove portion 71 and rotating the side sill protector 42, The method of inserting the said insertion part 104 in the length direction of the said flap 23 from the edge part opening part of the said groove part 71 opened to the edge part of the said flap 23 is mentioned.

  Then, one side portion of the side sill protector 42 is held in the free end portion side of the flap 23.

  Then, the fixing portion 111 is fixed to the flap 23 by inserting a tapping screw 112 into the insertion hole 113 of the fixing portion 111 set on the other side portion of the side sill protector 42 and screwing it into the flap 23. To do.

  Thereby, as for the said side sill protector 42 made from a synthetic resin, the one side part and the other side part are fixed to the said attachment surface 41 of the said flap 23 made from aluminum.

  Thus, while inserting the said insertion part 104 provided in the one side part of the said side sill protector 42 in the said groove part 71 formed in the free end part side of the said flap 23, the other side part of the said side sill protector 42 The side sill protector 42 can be fixed to the attachment surface 41 of the flap 23 only by fixing the fixing portion 111 set to the above to the flap 23. Thereby, the assembly of the side sill protector 42 to the flap 23 is facilitated, and the assembly process can be simplified.

  At this time, one side portion of the side sill protector 42 is fixed by inserting the insertion portion 104 into the groove portion 71 of the flap 23. For this reason, compared with the conventional case where a large number of mounting holes for mounting the side sill protector 42 had to be provided in the flap 23, post-processing in the flap 23 formed by the extrusion method as in this embodiment is performed. It can be abolished or minimized, and work efficiency can be increased.

  Further, since the machining to the side sill protector 42 and the setting of the clip seat are unnecessary, the structure can be simplified.

  When the flap 23 is tilted and the upper surface is used as the tread surface 51, the end of the side sill protector 42 is disposed on the lower surface of the flap 23, so that the end of the side sill protector 42 is not stepped on. Therefore, it is possible to avoid inconveniences such as dropouts that may occur when stepped on.

  Furthermore, since the insertion portion 104 provided on one side portion of the side sill protector 42 is concealed while being inserted into the groove portion 71, the coating quality at the one side portion can be reduced.

  At this time, the side sill protector 42 is fixed in a state in which the one side portion positioned above in a state where the flap 23 stands along the side sill 13 is inserted into the groove portion 71 of the flap 23. For this reason, it is possible to prevent the occurrence of a gap without providing an end rubber or the like between one side portion of the side sill protector 42 positioned at the upper portion in the flap 23 standing state 31 and the flap 23, and it is attractive. Improvement and prevention of foreign matter can be prevented.

  Further, the groove portion 71 into which the insertion portion 104 provided on one side portion of the side sill protector 42 is inserted is formed in the longitudinal direction of the flap 23. For this reason, the waviness in the longitudinal direction generated in the side sill protector 42 made of synthetic resin can be corrected by the flap 23.

  Furthermore, since the side sill protector 42 can be prevented from being exposed to the surface as compared with the case where the side sill protector 42 is fixed by clips or screws, the appearance quality can be improved.

  In addition, as compared with the case where the side sill protector 42 is fixed only by the double-sided tape, the affixing operation can be eased and the risk of peeling off after fixing can be reduced.

  Therefore, it is possible to provide a side sill protector mounting structure that can be fixed with good appearance with a simple structure that is easy to assemble.

  Further, in a state where the side sill protector 42 is fixed to the mounting surface 41 of the flap 23, a ridge 122 provided between a fixing point by the groove portion 71 and a fixing point 123 by the fixing portion 111 is the side sill protector. It abuts on the opposite part of 42.

  At this time, the groove reaction force F2 includes a fixing force F1 applied to the fixing portion 111 and the groove contact point of the insertion portion 104 so as to suppress deformation of the groove reaction force F2 applied to the side sill protector 42. It is set based on a contact position side separation distance 135 from 131 to the convex contact position 122a and a fixed portion side separation distance 136 from the convex contact position 122a to the fixed portion 111.

  Thereby, compared with the case where the side sill protector 42 is greatly deformed, the groove reaction force F2 received from the groove 71 can be stabilized, the appearance quality of the side sill protector 42 can be improved, and the ridge 122 can be improved. It is possible to reliably prevent the side sill protector 42 from being broken by the bending moment.

  Further, the step generated between the side sill protector 42 and the flap 23 can be reduced by the groove reaction force F2.

  When the fixing force F1 is applied to the fixing portion 111, the ridge reaction force vector V5 of the ridge reaction force F5 received by the side sill protector 42 from the ridge 122 is obtained. Assuming a virtual parallel line 151 parallel to the force vector V5, when the groove reaction force vector V2 of the groove reaction force F2 received by the plug 104 from the groove contact point 131 is obtained, the groove reaction force vector V2 is obtained. Extending in a direction intersecting with the virtual parallel line 151, and an acute angle α formed by the groove reaction force vector V2 and the virtual parallel line 151 is 0 degree or more, and The imaginary parallel line 151 is configured to face the upper side in FIG.

  That is, the groove contact point 131 is set so that the groove reaction force vector V2 is generated on the distal end side of the insertion portion 104, that is, on the insertion side.

  Therefore, the side sill protector 42 receives the convex reaction force F5 from the convex ridge 122, whereby the insertion portion 104 receives the groove reaction force vector V2 of the groove reaction force F2 received from the groove contact point 131. Can be moved in the direction in which the insertion portion 104 moves toward the insertion side, and this pressurization can prevent the insertion portion 104 from coming off from the groove portion 71 and at the insertion site. The backlash of the side sill protector 42 can be suppressed.

  Thereby, careless removal of the insertion part 104 from the groove part 71 can be prevented, and the side sill protector 42 can be more firmly fixed.

It is a perspective view of the principal part which shows one embodiment of this invention. It is sectional drawing equivalent to AA of FIG. (A) is explanatory drawing of the cross section corresponded to AA of FIG. 1, (b) is the B section enlarged view of (a). (A) is explanatory drawing of the cross section equivalent to AA of FIG. 1, (b) is the C section enlarged view of (a). It is sectional drawing of the principal part which shows the conventional side sill protector attachment structure.

Explanation of symbols

13 Side sill 14 Vehicle step 23 Flap 31 Standing state 41 Mounting surface 42 Side sill protector 71 Groove portion 104 Insertion portion 111 Fixing portion 121 Inner side surface 122 Projection strip 122a Projection strip contact position 123 Fixing point 131 Groove contact point 135 Contact position side Separation distance 136 Fixed portion side separation distance 151 Virtual parallel line F1 Fixing force F2 Groove reaction force F5 Protrusion reaction force V2 Groove reaction force vector V5 Convex reaction force vector

Claims (3)

In the side sill protector mounting structure in which the side sill protector is mounted on the mounting surface of the flap located on the side of the vehicle in a state where the flap of the vehicle step is erected along the side sill,
While forming a groove extending in the longitudinal direction of the flap on the free end side of the attachment surface of the flap,
An insertion portion that is held in a state of being inserted into the groove portion is formed on one side portion of the side sill protector, and a fixing portion that fixes the side sill protector to the slap is set on the other side portion of the side sill protector. Side sill protector mounting structure. A protrusion that protrudes toward the opposing portion extends in the longitudinal direction on the attachment surface of the flap or the inner side surface of the side sill protector that faces the attachment surface, and the protrusion is fixed to the fixing point by the groove and the fixing portion. While set between fixed points by
A fixing force that applies the groove reaction force to the fixing portion so that the groove reaction force received by the insertion portion from the contact position with the groove portion is applied to the side sill protector, and the insertion portion 2. The side sill protector attachment according to claim 1, wherein the side sill protector mounting is set based on a contact position-side separation distance from the contact position to the ridge and a fixed portion-side separation distance from the ridge to the fixing portion. Construction.   When assuming a virtual parallel line parallel to a vector of convex reaction force that the side sill protector receives from the convex strip in a state where a fixing force is applied to the fixed portion, the insertion portion is in contact with the groove portion. The groove portion reaction force vector received from the side extends in the direction intersecting the virtual parallel line and is generated on the insertion side of the insertion portion, so that the fixing force is applied to the fixing portion. 3. The mounting according to claim 2, wherein the contact position is set so that the groove reaction force received by the portion from the contact position is applied in a direction that prevents the insertion portion from coming off from the groove. Construction.

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