JP5780974B2 - Hanger structure of spare tire for vehicles - Google Patents

Description

  The present invention relates to a hanger structure for a vehicle spare tire that is stored in a state of being exposed to the outside of a lower surface of a vehicle body.

  In a commercial vehicle such as a truck, a spare tire may be stored in an exposed state on the lower surface of the vehicle body in order to secure a space for the loading platform. For example, in Patent Document 1, one end of a hanger body that supports a spare tire from below is rotatably supported on the vehicle floor, and a fixing portion is formed on the other end of the hanger body, The attached bolt member is engaged with a fixing portion, and a nut member is screwed into the bolt member to fix the spare tire.

Japanese Utility Model Publication No. 62-90893

  By the way, in the conventional hanger structure, since the fastening portion between the bolt member and the nut member is exposed to the outside of the vehicle, rust is easily generated due to adhesion of rainwater or mud and the nut member is easily fixed. May not be able to be taken out. In this case, there is also a concern that if the nut member is forcibly turned, the vehicle body mounting portion of the bolt member is damaged and falls off.

  Further, although the bolt member is provided with a rust-proof coating film, the rust-proof coating film is easily peeled off depending on the frequency of attaching and detaching the nut member, and rust is easily generated from this point.

  The present invention has been made in view of the above-described conventional situation, and can prevent a nut member from being fixed due to rust such as adhesion of rainwater or mud, and thus a spare tire for a vehicle that can reliably take out a spare tire. The challenge is to provide a hanger structure.

  The present invention relates to a hanger structure for a vehicle spare tire stored outside the lower surface of a vehicle body, the hanger body supporting the spare tire from below and having one end pivotally supported on the vehicle body. An engagement portion provided at the other end of the hanger body, a bolt member supported by the vehicle body and detachable from the engagement portion, and being screwed to the bolt member via the hanger body. A nut member for fixing the spare tire in the retracted position, and the cover member covering the bolt member, the nut member, and the outer peripheral portion of the engaging portion in a state where the spare tire is in the retracted position. The lower edge of the cover member is located below the lower end surface of the nut member when the spare tire is in the retracted position.

  According to the hanger structure of the present invention, the bolt member, the nut member, and the outer peripheral portion of the engaging portion at the retracted position are covered with the cover member, so that rainwater is applied to the fastening portion or mud adheres. It is possible to prevent the nut member from sticking due to the occurrence of rust. As a result, it is possible to easily take out the spare tire at the time of puncture or the like.

  Further, since the lower edge of the cover member at the retracted position is positioned below the lower end surface of the nut member, the nut member is hidden in the cover member and is not visible from the outside, and mischief and theft can be prevented.

  In addition, when the lower edge of the cover member is set, for example, at a tightening torque restricting position of a jig for tightening the nut member, the specified torque is obtained when the jig comes into contact with the lower edge of the cover member. Tightening can be prevented.

It is a side view of the hanger apparatus of the spare tire for vehicles by Example 1 of this invention. It is a top view of the said hanger apparatus. It is sectional drawing of the cover member arrange | positioned at the said hanger apparatus.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  1 to 3 are views for explaining a hanger structure of a vehicle spare tire according to a first embodiment of the present invention.

  In the figure, reference numeral 1 denotes a rear vehicle body in which a spare tire 2 is stored. The rear vehicle body 1 has a schematic structure in which floor members (not shown) that form a vehicle compartment or a cargo compartment are disposed on the upper surfaces of left and right rear side members 3 and 3 that extend in the vehicle longitudinal direction.

  Below the floor member between the left and right rear side members 3, an axle housing 5 for transmitting engine power to the left and right rear wheels 4, 4 is disposed, and a floor member on the rear side of the axle housing 5 is disposed. A fuel tank 6 is disposed below the fuel tank 6.

  The spare tire 2 is stored on the lower surface of the bottom wall 6a of the fuel tank 6 of the rear vehicle body 1 so as to be exposed outwardly, and is detachably supported by the hanger device 10.

  The hanger device 10 includes a hanger body 11 that supports the spare tire 2 from below, an engagement member 12 provided on the hanger body 11, and suspended and supported by the rear vehicle body 1. A detachable bolt member 13 and a nut member 14 detachably screwed to the bolt member 13 are provided.

  The hanger device 10 is bolted and fixed to the lower surface of the left rear cross member 3 by a bracket 17 and extends downward from the cross member 3 and the rear of the left and right side members 3. A hook member 20 is provided which is welded and fixed to the center portion in the vehicle width direction of the cross member 19 disposed between the end portions and extends downward from the cross member 19.

  The hanger body 11 includes a first cross hanger 11a made of steel pipe and a second cross hanger 11b made of steel pipe fixed by welding or the like so as to be substantially orthogonal to the first cross hanger 11a.

  The first cross hanger 11 a has a generally U shape surrounding the spare tire 2, and the second cross hanger 11 b has a shape generally along the opening of the wheel 2 a of the spare tire 2.

  A longitudinal outer end (one end) 11 c of the first cross hanger 11 a is pivotally supported by a lower end of the support member 18 via a rotation pin 22. As a result, the hanger body 11 can rotate between a storage position A where the spare tire 2 is fixed to the bottom wall 6a of the fuel tank 6 and a take-out position B where the spare tire 2 is taken out, with the rotation pin 22 as the center. It has become.

  An inner end (other end) 11d of the first cross hanger 11a is bent so as to form a substantially right angle, and the engaging member 12 is disposed on the lower surface of the bent inner end 11d. Yes.

  The engaging member 12 is made of a sheet metal having a notch portion 12a with which the bolt member 13 is detachably engaged, and is fixed to the inner end portion 11d by welding.

  The bolt member 13 includes a suspension portion 13b in which a locking hole 13a is formed, a screw portion 13c in which a male screw is formed, and a large-diameter flange portion 13d formed in a boundary portion between the both 13b and 13c. Have.

  The bolt member 13 is suspended and supported by the hook member 20 so as to be able to be engaged and disengaged and swingable by locking the locking hole 13a to the hook member 20.

  The nut member 14 includes a screw portion 14b that is screwed onto the screw portion 13c of the bolt member 13 from below, and a hexagonal head portion 14a that is integrally formed with the screw portion 14b. By tightening the nut member 14 from below with a fastening tool 24 mounted on the head 14a, the spare tire 2 is clamped and fixed at the storage position A by the hanger body 11 and the bottom wall 6a of the fuel tank 6. The length of the screw portion 13c is set so that a slight gap is formed between the flange portion 13d and the engaging member 12 in the fixed state.

  Further, the nut member 14 is slightly loosened, the bolt member 13 is removed laterally from the notch 12a of the engaging member 12, and the hanger body 11 is taken out and rotated to the position B at the time of taking out the spare tire 2. The nut member 14 may be loosened and removed from the bolt member 13, and the hanger body 11 may be rotated downward.

  The bolt member 13 is provided with a cover member 25 that covers the threaded portion 13c of the bolt member 13 at the storage position A, the nut member 14, and the outer peripheral portion of the engaging member 12.

  The cover member 25 is made of a sheet metal having a generally bell shape, and has an umbrella portion 25a that covers the screw portion 13c from above and a cylindrical side wall portion 25b that covers the outer peripheral portion.

  The umbrella portion 25a is formed with an insertion hole 25c through which the suspension portion 13b can be inserted. The peripheral portion of the insertion hole 25c is fixed to the flange portion 13d by welding, and the cover member 25 and the bolt member 13 are sealed in a watertight manner by this welding.

  The side wall portion 25b is formed with a slit 25d that allows the inner end portion 11d of the first cross hanger 11a to rotate in the vertical direction.

  The lower edge 25e of the side wall portion 25b of the cover member 25 is formed to be located slightly below the lower end surface 14a 'of the nut member 14 at the storage position A.

  Further, the lower edge 25e of the cover member 25 is set at a fastening torque regulating position of the fastening tool 24. Accordingly, when the nut member 14 is tightened to the storage position A, the lower edge 25e comes into contact with the fastening jig 24.

  According to the present embodiment, since the screw portion 13c, the nut member 14 and the engagement member 12 of the bolt member 13 at the storage position A are covered by the cover member 25, the fastening portion between the screw portion 13c and the nut member 14 is covered with water. It is possible to prevent the mud and the mud from adhering, and to prevent the nut member 14 from sticking due to the occurrence of rust. Thereby, it is possible to easily take out the spare tire 2 at the time of puncture or the like.

  In this embodiment, the lower edge 25e of the cover member 25 at the storage position A is formed so as to be positioned below the lower end surface 14a 'of the nut member 14, so that the nut member 14 is hidden by the cover member 25 and is visible from the outside. No, it can prevent mischief and theft.

  In this embodiment, since the lower edge 25e of the cover member 25 is set to the fastening torque restricting position of the fastening tool 24 for fastening the nut member 14, the fastening tool 24 comes into contact with the lower edge 25e of the cover member 25. The torque is regulated and excessive tightening can be prevented.

  In the above-described embodiment, the nut member 14 is loosened, the hanger body 11 is removed from the bolt member 13, and the spare tire 2 is removed by rotating downward. However, the bolt member 13 is fixed to the vehicle body. The hanger body 11 may be configured to be removable from the member 20 and rotate together with the bolt member 13. In this case, the slit 25 d of the cover member 25 may be made unnecessary or small. This is possible and can more reliably prevent rainwater and mud from adhering.

  Further, although the case where the spare tire 2 is stored in the bottom wall 6a of the fuel tank 6 has been described, the present invention is naturally applicable to the case where the spare tire 2 is stored on the lower surface of the cargo bed or the lower surface of the floor portion.

1 Rear body 2 Spare tire 10 Hanger device 11 Hanger body 11c Outer end (one end)
11d Inner end (other end)
12 Engagement member (engagement part)
13 Bolt member 14 Nut member 14a 'Lower end surface 25 Cover member 25e Lower edge A Storage position

Claims (1)

A hanger structure for a vehicle spare tire stored outside the lower surface of the vehicle body,
A hanger body that supports the spare tire from below, and whose one end is pivotally supported by the vehicle body;
An engaging portion provided at the other end of the hanger body;
A bolt member supported by the vehicle body and detachable from the engaging portion;
A nut member for fixing the spare tire to the retracted position via the hanger body by screwing to the bolt member;
A cover member that covers the bolt member, the nut member, and an outer peripheral portion of the engagement portion in a state where the spare tire is in the retracted position is provided on the bolt member,
A hanger structure for a spare tire for a vehicle, wherein the lower edge of the cover member is located below the lower end surface of the nut member when the spare tire is in the retracted position.

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