JP7412271B2 - Fixed structure of vehicle parts - Google Patents

Description

The present invention relates to a fixing structure for parts attached to a vehicle.

BACKGROUND ART Conventionally, a structure using a bracket is known as a fixing structure for parts attached to a vehicle. For example, a structure is known in which a plurality of brackets are fixed to a roof panel and a roof rail is attached thereon. By using the bracket, the uneven shape of the roof panel can be easily absorbed, and the attachment state of the roof rail can be stabilized (see Patent Document 1).

Japanese Patent Application Publication No. 2020-006741

In the structure described in Patent Document 1, an opening is formed in the roof rail directly above the bracket. Such an opening is closed with, for example, a cap or a lid member. On the other hand, depending on the precision of the parts, the cap or lid member may easily come off, or may vibrate and generate abnormal noise while the vehicle is running. Therefore, there is a problem in that it is difficult to improve the appearance and quality of the vehicle unless the precision of the parts is sufficiently improved.

One of the purposes of this invention was created in light of the above-mentioned problems, and is to provide a fixing structure for vehicle parts that has a simple configuration and improves the appearance and quality of the vehicle. In addition, this purpose is not limited to this purpose, and it is also possible to achieve effects derived from each configuration shown in "Details for Carrying Out the Invention" that will be described later, which cannot be obtained with conventional techniques. It can be positioned as a purpose.

The disclosed vehicle component fixing structure includes a hole through which a fastener is inserted, and a wall portion that stands around the hole in the axial direction of the fastener, and a bracket that is fixed to a vehicle via the fastener. Be prepared. The present invention also includes an accessory that is attached to the vehicle via a bracket and has an opening formed at a position facing the fastener in the axial direction of the fastener. Further, the cap includes a locking portion that is locked to the equipment and a leg that stands in the axial direction of the fastener and comes into contact with the wall, and that closes the opening. The contact surface between the wall and the leg is formed in a shape that is inclined with respect to the central axis in a cross section passing through the central axis of the fastener.

According to the disclosed fixing structure for vehicle parts, the beauty and quality of the vehicle can be improved with a simple configuration.

1 is a schematic diagram of a vehicle to which a vehicle component fixing structure as an example is applied. FIG. 2 is an exploded perspective view of the roof rail shown in FIG. 1. FIG. FIG. 2 is a perspective view of the bracket and cap shown in FIG. 1; 2 is a sectional view of the roof rail shown in FIG. 1. FIG. 2 is a sectional view of the roof rail shown in FIG. 1. FIG. (A) and (B) are sectional views showing enlarged contact surfaces of the bracket and cap shown in FIG. 1;

[1. composition]
A vehicle component fixing structure as an example is applied to a roof rail 2 of a vehicle 1 shown in FIG. The roof rail 2 includes a bracket 3, a roof bar 4 (equipment), and a cap 5, and is attached to the roof of the vehicle 1 with fasteners 6 such as bolts and screws. Each of the bracket 3, roof bar 4, and cap 5 is made of, for example, metal (aluminum alloy, stainless steel), synthetic resin, or the like.

FIG. 2 is an exploded perspective view of the roof rail 2 shown in FIG. 1. The bracket 3 has a hole 18 through which the fastener 6 is inserted and a wall portion 10 erected around the hole 18, and is fixed onto the roof of the vehicle 1 via the fastener 6. The wall portion 10 is formed, for example, in the shape of a cylindrical surface coaxial with the fastener 6, and is erected in the axial direction of the fastener 6. Further, the roof bar 4 is a finishing member that is attached to the vehicle 1 via the bracket 3. The roof bar 4 has a cylindrical shape, for example, and is formed by extrusion molding, roll molding, or the like.

The roof bar 4 is provided with an opening 21, a second opening 22, and a rivet hole 23. The opening 21 is formed on the upper side of the roof bar 4, and the second opening 22 and the rivet hole 23 are formed on the lower side of the roof bar 4. The opening 21 is formed at a position facing the fastener 6 in the axial direction when the roof bar 4 is attached to the vehicle 1. The second opening 22 is a portion into which the wall portion 10 of the bracket 3 is inserted, and is arranged at a position facing the lower side of the opening 21 . The rivet hole 23 is a hole into which a rivet 7 for fixing the bracket 3 and the roof bar 4 is inserted and fixed.

The cap 5 is a member attached to close the opening 21 of the roof bar 4. The cap 5 is provided with a locking portion 30 that locks on the roof bar 4 and a leg portion 8 that abuts against the wall portion 10 of the bracket 3. The leg portion 8 is erected in the axial direction of the fastener 6 similarly to the wall portion 10 of the bracket 3 . Further, the contact surfaces 9 and 14 between the wall portion 10 and the leg portion 8 are formed in an inclined shape as shown in FIG. 2 . The inclinations of the contact surfaces 9 and 14 are formed in a shape that is inclined with respect to the central axis (in a linear shape that intersects with the central axis) in a cross section passing through the central axis of the fastener 6. However, the contact surfaces 9 and 14 are not planar perpendicular to the central axis.

FIG. 3 is a perspective view of the bracket 3 and cap 5 shown in FIG. 1. The wall portion 10 of the bracket 3 is erected in a cylindrical shape perpendicular to the upper surface of the pedestal portion 15 . Further, the wall portion 10 of the bracket 3 is provided with a first wall portion 11, a second wall portion 12, and a third wall portion 13. The first wall portion 11 is a portion extending from the periphery of the hole 18 to a position close to the opening 21 of the roof bar 4. A predetermined gap is provided between the upper end surface 19 of the first wall portion 11 and the cap 5. The standing length of the first wall 11 from the pedestal 15 (the height dimension when the top surface of the pedestal 15 is referenced, and the standing length from the periphery of the hole 18) is the same as that of the second wall 12. The standing length is longer than that of the third wall portion 13 and the third wall portion 13 .

The second wall portion 12 is a portion that comes into contact with the leg portion 8 of the cap 5. The upper end surface 14 of the second wall section 12 is formed in a surface shape corresponding to the lower end surface 9 of the leg section 8, and is in surface contact with the lower end surface 9. The length of the second wall 12 from the pedestal 15 is shorter than that of the second wall 12 and the third wall 13. In this embodiment, the pair of second wall portions 12 are arranged to face each other in the longitudinal direction of the roof rail 2 (vehicle longitudinal direction).

The third wall portion 13 is a portion extending to a position close to the locking portion 30 of the cap 5. A predetermined gap is provided between the upper end surface 20 of the third wall portion 13 and the locking portion 30. The standing length of the third wall 13 from the pedestal 15 is shorter than the first wall 11 and longer than the second wall 12. In this embodiment, the pair of third wall portions 13 are arranged to face each other in the transverse direction (vehicle width direction) of the roof rail 2. Note that the first wall portion 11 is arranged around the hole 18 between the second wall portion 12 and the third wall portion 13 (at four locations). In other words, the first wall portions 11 are arranged on both left and right sides of each second wall portion 12 so as to sandwich the second wall portion 12 therebetween.

4 and 5 are cross-sectional views of the roof rail 2 shown in FIG. 1. FIG. 4 shows a cross section of the roof rail 2 taken in the longitudinal direction of the vehicle, and FIG. 5 shows a cross section of the roof rail 2 taken in the vehicle width direction. The pedestal portion 15 of the bracket 3 is provided with a rivet hole 16 into which the rivet 7 is inserted and fixed. Further, a boss 17 is formed on the lower surface side of the pedestal portion 15 around the hole 18 through which the fastener 6 is inserted. The lower end surface of the boss 17 is provided so as to be in surface contact with a plate member 24 constituting the roof of the vehicle 1 and a reinforcing member 25 fixed to the plate member 24. The fastener 6 inserted into the hole 18 is also inserted into the fastening hole 26 of the reinforcing member 25 and fastened and fixed with a nut 27.

As shown in FIG. 5, the cap 5 is provided with a pair of locking portions 30 and a disc-shaped lid portion 33, and the locking portion 30 has a first locking portion 31 and a second locking portion 32. provided. The first locking portion 31 is a portion that engages with the end surface of the opening 21 of the roof bar 4. On the other hand, the second locking portion 32 is a portion that engages with the inner surface of the edge of the opening 21 (the inner surface of the roof bar 4). The first locking part 31 functions to apply an engaging force in the horizontal direction from the lid part 33, and the second locking part 32 functions to apply an engaging force in the vertical direction.

FIG. 6(A) is a cross-sectional view showing the positional relationship between the leg portion 8 and the second wall portion 12 when the cap 5 is not locked. For example, when the first locking part 31 is not completely engaged with the end surface of the opening 21 and the second locking part 32 is engaged with the inner surface of the edge of the opening 21, the leg The lower end surface 9 of the portion 8 and the upper end surface 14 of the second wall portion 12 are in contact with each other. When the cap 5 is pushed downward from this state and the first locking part 31 completely engages with the end surface of the opening part 21, the leg part 8 bends slightly as shown by the broken line in FIG. It deforms so that it becomes convex toward the surface.

Furthermore, since the contact surfaces (lower end surface 9, upper end surface 14) between the leg portion 8 and the second wall portion 12 are inclined, the lower end surface 9 slides obliquely along the surface of the upper end surface 14. , the deformation of the leg portion 8 is promoted. Due to such deformation of the leg portion 8, a tension that constantly presses the cap 5 upward is applied to the cap 5, and the state of engagement of the cap 5 with the opening portion 21 becomes more stable.

The locking portion 30 of the cap 5 is formed such that when the cap 5 is locked in the opening 21, the outer surface of the lid portion 33 projects beyond the opening 21 in the axial direction of the fastener 6. . For example, in the state shown in FIG. 6(B), the lid portion 33 projects slightly outward from the outer surface of the roof bar 4. The protrusion dimension of the lid portion 33 when based on the outer surface of the roof bar 4 is p (p>0). Such a structure eliminates the need for chamfering or polishing the edge of the opening 21, making it easy to reduce costs while maintaining aesthetic appearance.

[2. Action/Effect]
(1) In the above embodiment, in the fixed structure including the bracket 3, roof bar 4, and cap 5, the contact surfaces 9, 14 between the wall 10 and the leg 8 are relative to the central axis of the fastener 6. A device formed in an inclined shape is disclosed. By inclining the contact surfaces 9 and 14 between the wall 10 and the leg 8, the relative position of the leg 8 with respect to the wall 10 can be easily changed, and elastic deformation of the leg 8 can be promoted. Thereby, tension can be applied to the cap 5 that is locked to the roof bar 4 to strengthen the locking. Therefore, the engagement state of the cap 5 can be stabilized, and the appearance and quality of the vehicle can be improved with a simple configuration.

(2) In the above embodiment, as shown in FIG. 6(B), the cap 5 projects outward from the opening 21 while being locked to the roof bar 4. In this way, by making the cap 5 protrude further in the axial direction of the fastener 6 than the opening 21, the edge of the opening 21 can be prevented from being exposed, and the design and finishing quality can be improved. can. Further, since chamfering or polishing of the edge of the opening 21 is not necessary, it is easy to reduce costs.

(3) In the above embodiment, the wall portion 10 of the bracket 3 has the first wall portion 11 extending from around the hole 18 to a position close to the opening 21 of the roof bar 4. In this way, by extending the first wall portion 11 to the vicinity of the opening 21, it is possible to prevent the fastener 6 from falling off or rolling, and to prevent contact between the tool and the roof bar 4 when fastening the fastener 6. can be prevented. Further, the wall portion 10 can function as a guide member for appropriately guiding the position of the tool.

(4) In the above embodiment, the wall 10 of the bracket 3 has a second wall 12 that abuts the leg 8 of the cap 5 and has a smaller standing length from the periphery of the hole 18 than the first wall 11. have. By forming the second wall portion 12 shorter than the first wall portion 11 in this manner, the leg portion 8 can be made relatively longer, and the leg portion 8 can be made more flexible. For example, as shown by the broken line in FIG. 6(B), it is easy to cause the entire leg portion 8 to undergo bending deformation. Therefore, tension can be efficiently applied to the cap 5, and the engaged state of the cap 5 can be further stabilized.

(5) In the above embodiment, the wall portion 10 of the bracket 3 is extended to a position close to the locking portion 30, and the vertical length from the periphery of the hole 18 is smaller than that of the first wall portion 11. It has a third wall portion 13 that is larger than the wall portion 12. In this way, by extending the portion of the wall portion 10 that does not come into contact with the leg portion 8 of the cap 5 to the vicinity of the locking portion 30, it is possible to prevent the fastener 6 from falling off or rolling. Contact with the roof bar 4 can be prevented.

(6) In the embodiment described above, each of the second wall portion 12 and the leg portions 8 is provided as a pair facing each other in the longitudinal direction of the roof rail 2. With this configuration, the bending direction of the leg portion 8 can be made to match the longitudinal direction of the roof rail 2, and interference between the leg portion 8 and the roof bar 4 can be prevented.

(7) In the embodiment described above, each of the third wall portion 13 and the locking portion 30 is provided as a pair facing each other in the transverse direction of the roof rail 2. In this way, by aligning the locking position of the cap 5 with the transverse direction of the roof rail 2, it becomes easy to ensure the engagement accuracy of the locking part 30, and the attached state (locked state) of the cap 5 can be further stabilized.

(8) In the above embodiment, the first wall portion 11 is arranged between the second wall portion 12 and the third wall portion 13 around the hole 18. With such a configuration, the rigidity of the wall portion 10 can be improved in a well-balanced manner, and tension can be applied to the cap 5 more reliably. Further, by arranging the first wall portion 11 on both the left and right sides of the second wall portion 12, movement in the rotational direction when the cap 5 is attached or removed can be restrained. Therefore, the cap 5 can be easily attached and detached, and work efficiency can be improved.

(9) In the above embodiment, as shown in FIG. 5, the locking portion 30 engages with the first locking portion 31 that engages with the end surface of the opening 21 and the inner surface of the edge of the opening 21. It has a second locking part 32. In this manner, by providing two locking portions 31 and 32 whose engaging forces act in different directions, the state of engagement of the cap 5 with the opening portion 21 can be further stabilized.

[3. Modified example]
The above-described embodiments are merely illustrative, and there is no intention to exclude the application of various modifications and techniques not specified in the present embodiments. Each configuration of this embodiment can be modified and implemented in various ways without departing from the spirit thereof. Further, they can be selected or combined as necessary.

For example, in the above embodiment, the roof rail 2 of the vehicle 1 has been described in detail, but the above structure may be applied to a fixing structure for a mirror, camera, sensor, etc. that is attached to the outside of the vehicle 1. Alternatively, the above-described structure for fixing vehicle parts attached to the inside of the vehicle 1 (inside the engine room, inside the vehicle) may be applied. Regardless of the type of vehicle component or the fixing position, at least the contact surfaces 9 and 14 between the wall portion 10 of the bracket 3 and the leg portion 8 of the cap 5 are inclined with respect to the central axis of the fastener 6, thereby achieving the above-mentioned effect. A structure that provides the same functions and effects as those of the embodiment can be realized.

1 Vehicle 2 Roof rail 3 Bracket 4 Roof bar (equipment)
5 Cap 6 Fastener 7 Rivet 8 Leg 9 Lower end surface (contact surface)
10 Wall 11 First wall 12 Second wall 13 Third wall 14 Upper end surface (contact surface)
15 Pedestal section 16 Rivet hole 17 Boss 18 Hole 19 Upper end surface 20 Upper end surface 21 Opening section 22 Second opening section 23 Rivet hole 24 Plate member 25 Reinforcing member 26 Fastening hole 27 Nut 30 Locking section 31 First locking section 32 Second locking part 33 Lid part

Claims (9)

a bracket that has a hole through which a fastener is inserted and a wall that stands around the hole in the axial direction of the fastener, and is fixed to a vehicle via the fastener;
equipment that is attached to the vehicle via the bracket and has an opening formed at a position facing the fastener in the axial direction of the fastener;
a cap that has a locking part that is locked to the equipment and a leg that stands upright in the axial direction of the fastener and comes into contact with the wall, and that closes the opening;
A fixing structure for a vehicle component, wherein a contact surface between the wall portion and the leg portion is formed in a shape inclined with respect to the central axis in a cross section passing through the central axis of the fastener. 2. The vehicle component fixing structure according to claim 1, wherein the cap projects beyond the opening in the axial direction of the fastener when the cap is locked to the equipment. The vehicle component fixing structure according to claim 1 or 2, wherein the wall portion has a first wall portion extending from around the hole to a position close to the opening of the equipment. . 4. Fixing a vehicle component according to claim 3, wherein the wall has a second wall that abuts the leg and has a smaller standing length from the periphery of the hole than the first wall. structure. The wall portion has a third wall portion that extends to a position close to the locking portion and has a standing length from the periphery of the hole that is smaller than the first wall portion and larger than the second wall portion. The vehicle component fixing structure according to claim 4, characterized in that: The equipment is a roof rail attached to the roof of the vehicle,
6. The vehicle component fixing structure according to claim 5, wherein each of the second wall part and the leg part is provided as a pair to face each other in the longitudinal direction of the roof rail. 7. The vehicle component fixing structure according to claim 6, wherein each of the third wall portion and the locking portion is provided as a pair opposite to each other in the transverse direction of the roof rail. 8. The method according to claim 5, wherein the first wall is arranged between the second wall and the third wall around the hole. Fixed structure for vehicle parts. Claim characterized in that the locking part has a first locking part that engages with an end surface of the opening, and a second locking part that engages with an inner surface at an edge of the opening. A fixing structure for vehicle parts according to any one of items 1 to 8.

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