JP7294582B2 - vehicle structure - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle structure in which a through-hole is formed in a vehicle member for exposing a bolt head of a spare tire carrier to the surface side in a rotatable manner, and a cap is attached to the through-hole.

Generally, a spare tire carrier that holds a spare tire under the floor of an automobile has a structure in which a carrier body on which the spare tire is placed is supported by a floor plate or the like via suspension bolts and hooks. By placing the head of the hanging bolt above the floorboard and tightening it against the internal thread formed on the hook, the hook is lifted and the spare tire is fixed to the floorboard of the automobile ( For example, Patent Document 1).

In the structure of the spare tire carrier disclosed in Patent Document 1, the head of the suspension bolt is covered with a fitting cap so as not to rotate, and the protrusion protruding from the fitting cap is brought into contact with the claw member of the floor plate to suspend the suspension. The bolt is prohibited from rotating beyond a certain angle, and the hook is prevented from falling and coming off the carrier body.

JP 2013-224096 A (paragraphs 0002, 0003, 0007, 0008, 0010)

However, in the spare tire carrier disclosed in Patent Document 1, as a structure for restricting the rotation of the suspension bolt, the head of the suspension bolt is covered with a fitting cap, and the claw member with which the protrusion of the fitting cap abuts is provided on the floor plate. Since it is necessary to install the fitting cap and the pawl member separately, the structure tends to be complicated, and there is a risk of causing an increase in cost, an increase in weight, and a decrease in productivity. There is

SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle structure in which a cap attached to a through hole for rotating a bolt head has a function of restricting the rotation of the bolt.

In order to achieve the above object, a vehicle structure according to the present invention has a spare tire carrier disposed on the back side of a vehicle member, and a bolt head of the spare tire carrier is rotatably exposed to the front side of the vehicle member. A through hole is formed, and a cap is attached to the through hole. The cap includes a floor cap that covers the through hole and is non-rotatably locked to the through hole , and a rear surface of the floor cap. A fitting cap that is held on the side to fit the bolt head, and a retaining ring that is attached to the back side of the floor cap and holds the fitting cap rotatably with respect to the floor cap and displaceable in the cap radial direction. and , wherein the fitting cap is formed with a rotation inhibiting arm that abuts against the stopper portion to limit the rotation range, and the stopper portion is formed on the rear surface side of the floor cap.

As described above, according to the present invention, the bolt head is exposed from the through hole of the vehicle member so as to be rotatable, and the fitting cap held by the floor cap covering the through hole is fitted to the bolt head. A rotation prohibiting arm formed on the fitting cap is brought into contact with a stopper portion formed on the floor cap to limit the rotation range of the bolt fitted with the fitting cap.

In this way, since the floor cap and the fitting cap constituting the cap are formed with the stopper portion and the rotation inhibiting arm, respectively, the cap mounted in the through hole can be provided with the function of restricting the rotation of the bolt independently. can. As a result, there is no need to separately equip the parts for restricting the rotation of the bolt to the vehicle member and the fitting cap, the structure is simplified, the cost and weight are suppressed, and the productivity is improved. At the same time, the cap can be easily diverted to other vehicle models.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the vehicle structure which concerns on this invention, (a) is a figure which shows the mounting position of a cap, (b) is an enlarged view which shows the state which removed the cap. Perspective view of the cap seen from the back side Exploded perspective view of the cap seen from the back side AA sectional view of FIG.

EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing the vehicle structure which concerns on this invention is demonstrated using drawing.

As shown in FIGS. 1 to 4, in a vehicle structure 1 according to the present invention, a spare tire carrier (not shown) for holding a spare tire (not shown) is arranged under the rear floor of an automobile, and bolts with their bolt heads 2 facing upward are installed. A spare tire carrier is passed through the rear end of the body 3 and fixed thereon, and a lower back trim 4 covering the rear end of the body 3 is formed with a through hole 5 for exposing the bolt head 2 so as to be rotatable, A cap 6 is attached to the through hole 5 .

Further, the cap 6 attached to the through hole 5 includes a floor cap 7 that covers the through hole 5 and is non-rotatably locked, and a fitting that is held on the back side of the floor cap 7 and fitted to the bolt head 2 . The fitting cap has a three-member structure including a fitting cap 8 and a retaining ring 9 mounted on the back side of the floor cap 7 and holding the fitting cap 8 rotatably and displaceably in the cap radial direction. 8, there is formed a rotation prohibiting arm 11 that abuts against a stopper portion 10 formed on the back side of the floor cap 7 to limit the rotation range of the bolt and prevent the spare tire carrier from coming off due to loosening of the bolt. .

The through hole 5 is a circular hole having a diameter larger than that of the bolt head 2 formed in the lower back trim 4, and a cylindrical portion 12 for reinforcement is formed by bending the periphery of the through hole 5 downward. A collar portion 13 is formed at two locations on which the rotation inhibiting arm 11 of the fitting cap 8 is mounted, protruding radially inward from the lower end of the tubular portion 12 . A notch 15 is formed in the front portion of the through-hole 5 for arranging a locking piece 14 for attaching and detaching the floor cap 7, and projecting pieces 16 are formed on both sides of the notch 15 to reinforce the notch 15. formed.

The floor cap 7 is a disk having a larger diameter than the through hole 5 and having a notch 17 formed in the front. 14 is extended. The locking piece 14 is a U-shaped piece that protrudes from the back side of the floor cap 7 and has a displaceable free end at its tip. An engaging pawl 19 is formed to be engaged with the notch 15 of the hole 5 . The locking piece 14 is fitted into the notch 15 of the through hole 5 to prevent the floor cap 7 from rotating.

A locking piece 20 is protruded from the back side of the rear portion of the floor cap 7 at a position matching the distance from the center of the floor cap 7 with the locking piece 14 . A locking pawl 21 is formed to be locked to the lower end of the.

Circular arc-shaped walls 22 and 23 that serve as guides for inserting the cap 6 into the through hole 5 extend from both sides of the locking piece 14 and the locking piece 20, and the wall portions 22 and 23 form the through hole. The floor cap 7 incorporated in the cap 6 is locked to the through hole 5 by inserting the floor cap 7 into the through hole 5 and locking the locking piece 14 and the locking piece 20 .

The walls 22 and 23 are provided with a positioning protrusion 24 for positioning the retaining ring 9 in the circumferential direction at the center of the inner side thereof, and are provided with locking holes 25 on both sides thereof, which hold the fitting cap 8 interposed therebetween. The ring 9 is locked inside to assemble the cap 6 .

Both ends of the wall portions 22 and 23 serve as stopper portions 10 against which the tip portions of the rotation prohibiting arms 11 of the fitting cap 8 abut, and the stopper portions 10 of the wall portions 22 and 23 are set at a predetermined distance. As a result, the rotation range of the bolt in which the fitting cap 8 incorporated in the cap 6 is fitted is restricted, and when the cap 6 is attached to the through hole 5 , the fitting cap 8 can be rotated in accordance with the bolt head 2 . is rotatable.

The fitting cap 8 has a ring-like shape having a recess 26 for fitting the bolt head 2 on the lower surface side, and the inner peripheral surface of the recess 26 is a hexagonal bolt head 2 that can be non-rotatably fitted. It is set in a regular dodecagonal shape, and a taper 27 is formed at the lower part thereof so that the bolt head 2 can be smoothly fitted.

The outer diameter of the fitting cap 8 is set smaller than the inner diameter of the retaining ring 9 , and when the fitting cap 8 incorporated in the cap 6 is fitted to the bolt head 2 , the fitting cap 8 and the retaining ring 9 are in contact with each other. clearance 28 allows the mating cap 8 to move radially relative to the floor cap 7 and retaining ring 9 to align with the bolt head 2 .

Rotation inhibiting arms 11 formed on the fitting cap 8 protrude radially outward from the left and right sides of the outer peripheral surface of the fitting cap 8 . is designed to enter between the stopper portions 10 on both sides of the .

The pair of rotation-prohibiting arms 11 are set to have a length such that the distance between their tips is smaller than the diameters of the through hole 5 and the floor cap 7, and when the fitting cap 8 is fitted to the bolt head 2, the through hole A gap 29 between the tubular portion 12 of 5 and the tip of the anti-rotation arm 11 allows radial movement relative to the floor cap 7 and retaining ring 9 . The thickness of the pair of rotation inhibiting arms 11 is set to be approximately the same as the distance between the floor cap 7 and the brim portion 13 of the through hole 5, and when the cap 6 is attached to the through hole 5, the floor cap 7 and the brim portion are separated from each other. 13 sandwiches the rotation prohibiting arm 11 to restrict the displacement of the fitting cap 8 .

The retaining ring 9 has a larger diameter than the fitting cap 8 and has a ring shape that fits inside the walls 22 and 23 . A positioning piece 31 having a groove 30 is formed. Locking pieces 32 are formed on both sides of the positioning piece 31 to be locked in the locking holes 25 of the floor cap 7, and the retaining ring 9 is attached to the floor cap 7 while holding the fitting cap 8 inside. be done.

The positioning piece 31 protrudes more than the other parts, and the rotation prohibiting arm 11 is arranged while leaving a gap 33 between the floor cap 7 and the retaining ring 9, so that the floor cap 7 and the retaining ring 9 can be held when the cap 6 is attached. It also functions as a spacer for enabling the fitting cap 8 to rotate in accordance with the bolt head 2 without being sandwiched with the ring 9. - 特許庁

According to the above configuration, the cap 6 is composed of the floor cap 7, the fitting cap 8, and the retaining ring 9, so that the stopper portion 10 is provided inside the cap 6 instead of the body 3 or the back trim 4, so that the cap 6 can be Only by restricting the rotation of the bolt, it is possible to prevent the spare tire carrier from coming off due to loosening of the bolt.

It should be noted that the present invention is not limited to the above-described embodiments, and modifications can be made as appropriate within the scope of the present invention. For example, in the above embodiment, the through hole 5 is formed in the lower back trim 4 below the back door opening. may In addition to forming the through hole 5 in the lower back trim 4 , the cap 6 may be directly engaged with the through hole of an exposed sheet metal panel forming the body 3 .

1 Vehicle Structure 2 Bolt Head 3 Body 4 Lower Back Trim 5 Through Hole 6 Cap 7 Floor Cap 8 Fitting Cap 9 Retaining Ring 10 Stopper Part 11 Rotation Prohibiting Arm 12 Cylindrical Part 13 Flange 14 Locking Piece 15 Notch 16 Projecting Piece 17 notch 18 operating claw 19 locking claw 20 locking piece 21 locking claw 22, 23 wall portion 24 positioning projection 25 locking hole 26 concave portion 27 taper 28, 29 gap 30 positioning groove 31 positioning piece 32 locking piece 33 gap

Claims (1)

A spare tire carrier is arranged on the back side of a vehicle member, a through hole is formed in the vehicle member for exposing the bolt head of the spare tire carrier to the front side in a rotatable manner, and a cap is attached to the through hole. In the vehicle structure with
The cap includes a floor cap that covers the through hole and is non-rotatably locked to the through hole , a fitting cap that is held on the back side of the floor cap and into which the bolt head is fitted , and a floor cap. a retaining ring attached to the rear surface side and retaining the fitting cap rotatably with respect to the floor cap and displaceable in the cap radial direction;
A vehicle structure according to claim 1, wherein the fitting cap is formed with a rotation inhibiting arm that abuts against a stopper portion to limit a rotation range, and the stopper portion is formed on the rear side of a floor cap.

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