JPS6318555B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a support structure for a spare tire carrier, and particularly to an improvement in the support structure for a spare tire carrier disposed behind a back door.

Generally, in a vehicle equipped with a back door, for example, as shown in FIG. 1, a spare tire carrier C is arranged behind the back door D, and a spare tire T is fixed to the spare tire carrier C. There is a model that secures a large interior of the T vehicle without considering the storage space inside the vehicle.

In this type, as a conventional support structure for a spare tire carrier, for example, as shown in FIGS. 1 and 2, a spare tire carrier C made of a predetermined frame member is arranged along the vehicle width direction. One end of the spare tire carrier C is supported by a hinge 2 on a vehicle body panel 1 such as a rear fender, and the other end of the spare tire carrier C is provided with a locking member 3 that engages and disengages from the vehicle body or a backdoor D (for example, , see "Introduction of the new Nissan Patrol 60 type vehicle series" published by Nissan Motor Co., Ltd. in May 1963. According to this type, the spare tire carrier C is completely attached to the vehicle body under normal conditions by the locking action of the locking member 3. While the back door D is in a fixed state, for example, when the back door D is of a type that opens vertically, when opening the back door D, the lock member 3 is disengaged from the vehicle body, etc., and then the spare tire carrier C is opened. The spare tire carrier C can be opened rearward around the hinge 2 as the center of rotation, and the spare tire carrier C can be set at a position where it does not interfere with the opening operation of the back door D. In addition, 4 in Fig. 2 indicates the spare tire carrier C. This is the tire mount part.

However, in such a conventional spare tire carrier support structure, since the spare tire carrier C is supported in a cantilevered manner by the hinge 2 when the spare tire carrier C is opened, Spare tire carrier C
Also, the spare tire carrier C is bent downward due to the weight of the spare tire T, and in particular, the position of the lock member 3 remote from the hinge 2 is largely deviated from the position of the engaging portion on the vehicle body side. In such a state, even if the spare tire carrier C is closed, the locking member 3 will not immediately engage with the engaging portion on the vehicle body, so the operator must first move the spare tire carrier C upward. lift,
It is necessary to engage the locking member 3 with an engaging portion on the vehicle body, which makes the operation of fixing the spare tire carrier C to the vehicle body extremely troublesome. In particular, in response to the request to reduce the opening/closing force of the spare tire carrier C, the hinge 2 and lock member 3 of the spare tire carrier C are
If the span between the

The present invention has been made based on the above-mentioned viewpoints, and its object is to provide a support structure for a spare tire carrier that allows easy fixing of the spare tire carrier to the vehicle body. There is a particular thing.

The gist of the present invention is to provide a support structure in which one end of a spare tire carrier is rotatably attached to a vehicle body, and the other end is removably locked and fixed to a vehicle body or back door. A guide member is arranged on one side of the back door or spare tire carrier in the vicinity and an intermediate part between this part and the lock part, and a striker member provided on the other side of the back door or spare tire carrier is fitted into these guide members. In addition to forming a concave portion that fits, a guide tapered surface that expands outward is formed at the entrance of this concave portion to effectively correct the intrusion trajectory of the spare tire carrier when the spare tire carrier is fixed to the vehicle body. The spare tire carrier has a support structure that guides it to the correct fixed position.

Hereinafter, the present invention will be described in detail based on embodiments shown in the accompanying drawings.

In the embodiment shown in FIGS. 3 and 4, the spare tire carrier C includes an upper frame 10 and a lower frame 11 extending in the horizontal direction at the top and bottom.
and a plurality of cross frames 12 installed between these upper frames 10 and lower frames 11,
12, 12, and a pair of mount frames 14 that are installed between the upper frame 10 and the lower frame 11 and support the tire mount plate 13,
The spare tire carrier C is constructed of a sub-frame 15 extending horizontally between a pair of mount frames 14 below the tire mount plate 13. One end of this spare tire carrier C, that is, one end of the upper frame 10 and the lower frame 11, is supported by a hinge 2 on a vehicle body panel 1a such as a rear fender on the left side. At the other end of the tire carrier C, that is, at the other ends of the upper frame 10 and the lower frame 11, a lock member 3 is provided which engages and disengages from an engaging portion (not shown) provided on a vehicle body panel 1b such as a right rear fender. It is being Note that the tire mount plate 13, which is a tire mount portion, is arranged near the hinge 2 of the spare tire carrier C in order to reduce the opening/closing force of the spare tire carrier C.

Further, in this embodiment, guide members G 1 are provided on the back door D side corresponding to the subframe 15 portion near the tire mount plate 13 and the upper frame 10 portion located closer to the lock member 3 than the subframe ₁₅ , respectively. , G ₂ are arranged, and these guide members G ₁ and G ₂ are made of an elastic material and are fixed to the back door D via a holder 16. And the above guide member
As shown in _{FIG .}
and a recess 17 that fits and holds the Atsupa frame 10.
is formed, and a guide tapered surface 1 that expands outward is formed at the upper and lower edges of the entrance portion of the recess 17.
8 is formed. In this embodiment, a portion of the subframe 15 and the upper frame 10 function as a striker member that engages with the guide members G ₁ and G ₂ .

Therefore, according to the spare tire carrier support structure according to this embodiment, when opening the back door D, which opens vertically, for example, the engagement between the lock member 3 and the vehicle body is released, and the spare tire carrier C is hinged. The back door D may be opened after opening toward the rear with 2 as the center of rotation. Also, open spare tire carrier C
When fixing the spare tire carrier C to the vehicle body, simply attach the spare tire carrier C to the hinge 2, as shown in FIG.
By closing the spare tire carrier C toward the front (upward in the figure) with the center of rotation as the center of rotation, the spare tire carrier C can be set to the fixed position, and in this state, the locking member 3 can be engaged with the engaging part of the vehicle body. . That is, the spare tire carrier C in the open state is generally bent downward due to its own weight and the weight of the spare tire T, and in particular, the position of the lock member 3 is biased downward from the position of the engaging portion on the vehicle body side. is in position. In this state, as shown in Fig. 5, when the spare tire carrier C is closed toward the front, first,
The subframe 15 located near the hinge 2 of the spare tire carrier C abuts one of the guide members _G1 . At this time, as shown in FIGS. 4 and 5, the hinge 2 and the guide member of the subframe 15
Since the span l ₁ between G ₁ and the butt part is shorter than the entire span of spare tire carrier C, subframe 1
The amount of downward deflection δ at No. 5 is relatively small. Therefore, the above subframe 15
will surely abut against the guide tapered surface 18 of the guide member _G1 , and as the spare tire carrier C closes, the sub-frame 15 will be guided into the recess 17 along the guide tapered surface 18, and the spare tire carrier C will be guided into the recess 17 along the guide tapered surface 18. The entry trajectory of the tire carrier C is corrected to some extent, and the amount of deflection of the spare tire carrier C toward the lock member 3 is also reduced to a certain extent. At this stage, the upper frame 10 located closer to the locking member 3 of the spare tire carrier C will surely abut against the guide tapered surface 18 of the other guide member _G2 , and the upper frame 10 will be positioned closer to the guide member G2. G ₂ guide tapered surface 1
8 into the recess 17, the entry trajectory of the spare tire carrier C is completely corrected. In this state, the spare tire carrier C is set at the normal fixed position, and the locking member 3 of the spare tire carrier C is set at a position corresponding to the engaging portion on the vehicle body side.

Further, when the spare tire carrier C is fixed to the vehicle body, the spare tire carrier C is supported at both ends by the hinge 2 and the lock member 3, and is also supported by guide members G ₁ and G ₂ at an intermediate portion between these support points. Moreover, since the center of gravity of the spare tire carrier C is supported by one of the guide members _G1 , there is no concern that the spare tire carrier C will be bent or deformed due to its own weight, etc., and the load acting on the hinge and lock parts can be avoided. is also reduced as the number of support points increases.

Furthermore, since the guide members G ₁ and G ₂ are vertically offset as shown in FIG. 6, the torsional moment due to the weight F of the spare tire T acts on the spare tire carrier C. Even so, torsional deformation of the spare tire carrier C is effectively prevented.

In addition, in the above embodiment, one guide member
Although G ₁ is placed below the other guide member G ₂ , one guide member G ₁ may be placed above the other guide member G ₂ or may be placed on the same horizontal plane. . Further, the specific configuration of the spare tire carrier C is not limited to that shown in the above embodiment, and it goes without saying that the design can be changed as appropriate. There is no problem. Furthermore, the guide members G ₁ and G ₂ are not limited to those shown in the above embodiments; for example, the guide members G 1 and G 2 are
The guide tapered surface 18 may be formed only at the lower edge of the inlet portion of the hole 7. Furthermore, in the above embodiment, the subframe 15 and the atsupah frame 10, which are constituent members of the spare tire carrier C, are used as striker members that engage with the guide members G ₁ and G ₂ .
is used, but the invention is not limited to this, and a different striker member may be attached to the spare tire carrier C. Further, in the above embodiment, the striker member is provided on the spare tire carrier C side, but the striker member may be provided on the back door D side, and a guide member may be provided on the spare tire carrier C side. Furthermore, in the above embodiment, the present invention is applied to a spare tire carrier C installed in a vehicle equipped with a back door D that opens vertically, but it may also be installed in a vehicle equipped with a back door D that opens left and right or other types. Of course, the present invention can be applied to the spare tire carrier C.

As explained above, according to the support structure for a spare tire carrier according to the present invention, one end of the spare tire carrier is rotatably attached to the vehicle body, and the other end is removably locked and fixed to the vehicle body or back door. A guide member is disposed on one side of the back door or the spare tire carrier at a portion near the tire mount portion of the spare tire carrier and an intermediate portion between this portion and the lock portion, and these guide members are provided with a guide member on one side of the back door or the spare tire carrier. A recess is formed into which the striker member provided on the side fits, and a guide tapered surface that expands outward is formed at the entrance of this recess, so that the spare tire carrier is not bent when being fixed to the vehicle body. The intrusion trajectory of the spare tire carrier can be effectively corrected, and the spare tire carrier can be set at the regular fixed position without having to lift it up like in the past. The fixing operation becomes easy. Further, according to the present invention, when the spare tire carrier is fixed to the vehicle body,
The middle part of the spare tire carrier is supported by a pair of guide members, and one guide member supports the center of gravity of the spare tire carrier, so the spare tire carrier will not be deformed due to its own weight, etc. In addition to reducing the weight of the spare tire carrier,
The load applied by the hinge portion to the lock portion is also reduced by increasing the number of support points, and the support rigidity at the hinge portion and the lock portion can be reduced accordingly.

[Brief explanation of the drawing]

FIG. 1 is a plan view of a vehicle equipped with a spare tire carrier, FIG. 2 is a view taken from the direction of the arrow in FIG. 1, showing an example of a conventional spare tire carrier support structure, and FIG. An explanatory view similar to FIG. 2 showing an embodiment of the support structure for such a spare tire carrier, FIG. 4 is a sectional view taken along the line in FIG. 3,
FIG. 5 is a view taken from the direction of the arrow in FIG. 3, and FIG. 6 is a sectional view taken along the line -- in FIG. C...Spare tire carrier, D...Back door,
T...Spare tire, _G1 , _G2 ...Guide member, 1,
1a, 1b...Vehicle body panel, 2...Hinge, 3...Lock member, 10...Upper frame (strike member), 13...Tire mount plate (tire mount part), 15...Sub frame (strike member), 17...Recessed part, 18...Guide tapered surface.

Claims (1)

[Scope of Claims] 1. A spare tire carrier is disposed behind the back door of the vehicle along the vehicle width direction, one end of the spare tire carrier is rotatably attached to the vehicle body, and the other end is attached to the vehicle body or the back door. In a support structure for a spare tire carrier that is removably locked and fixed, a guide member is provided on one side of the back door or the spare tire carrier at a portion near the tire mount portion of the spare tire carrier and an intermediate portion between this portion and the lock portion. These guide members are provided with recesses into which the striker member provided on the other side of the back door or spare tire carrier fits, and the entrance portion of the recesses is provided with a guide tapered surface that expands outward. A support structure for a spare tire carrier, characterized in that a spare tire carrier is formed. 2. The support structure for a spare tire carrier according to claim 1, wherein the pair of guide members are arranged vertically offset. 3. The support structure for a spare tire carrier according to claim 1 or 2, wherein the striker member is constituted by a frame member extending in a substantially horizontal direction constituting the spare tire carrier.