CN1689887B

CN1689887B - Support structure of spare tyre

Info

Publication number: CN1689887B
Application number: CN 200510067812
Authority: CN
Inventors: 中村国弘
Original assignee: Mitsubishi Motors Corp
Current assignee: Mitsubishi Motors Corp
Priority date: 2004-04-26
Filing date: 2005-04-26
Publication date: 2010-08-11
Anticipated expiration: 2025-04-26
Also published as: JP2005306328A; TWI248400B; CN1689887A; TW200535032A; JP4385846B2

Abstract

Provided is a spare tire support structure implementing antitheft measure while improving workability for mounting. In the spare tire support structure supporting the spare tire 3 on the floor undersurface 2 of the vehicle 1, the bracket where the bearing part 14 extending to the vehicle downward and composing a hinge is formed, is joined and provided on the side member. The one end 10A of an approximately U shaped carrier bar 10 forming a storage space 20 storing the spare tire 3 is inserted into the bearing part 14, the other end 10B of the carrier bar is made to be turnable by connecting with a pin to the cross member 6 side, and the base part 10C of the carrier bar 10 is detachably supported relative to the vehicle 1 with a locking means 13.

Description

Support structure of spare tyre

Technical field

The present invention relates to a kind of underfloor and accommodate and support the support structure of spare tyre of spare tyre at vehicle.

Background technology

Underfloor at vehicle is provided with the structure that supports spare tyre.This structure comprises carrier bar and securing arrangement; This carrier bar forms the space that can accommodate spare tyre, and its two ends are supported on the vehicle free to rotately; This securing arrangement is supporting the bottom of carrier bar, and the relative vehicle of carrier bar can freely be dismantled.By the operable lock fixing apparatus carrier bar is rotated, can accommodate or unload spare tyre.

Usually, the two ends of carrier bar connect on the longeron or crossbeam that is supported in the formation carriage frame freely to rotate by pin with rod pin, and prevent that by spring cotter rod pin from coming off.In the structure of patent documentation 1 record, the two ends of carrier bar are respectively in the top bending of U word, and are supported in freely to rotate on the carriage that can be installed on the vehicle body with freely dismantling.

Patent documentation 1: TOHKEMY 2002-173057 communique

Using rod pin to install in the structure at carrier bar two ends, because insert spring cotter in the hole on being located at each rod pin respectively, so the number in man-hour when having increased assembling operation.In addition, in case take out spring cotter, just can pull down carrier bar, so need take theft-proof measure from vehicle body.

In patent documentation 1, do not use rod pin or spring cotter, but because the two ends of carrier bar in the top bending of U word, so when inserting carriage, can increase task difficulty.In addition because carriage by bolt to vehicle body, so in case take off this bolt, carrier bar will separate from vehicle body together with carriage, therefore, need take anti-theft measure equally.

Summary of the invention

The object of the present invention is to provide a kind ofly in the improvement installation exercise, also take the support structure of spare tyre of anti-theft measure.

For reaching above-mentioned purpose, according to the present invention, the support structure of spare tyre that supports spare tyre at the underfloor of vehicle comprises: carriage, be located at the longeron that extends along the fore-and-aft direction of vehicle or with longeron bonded assembly crossbeam on, and outstanding to the extension of the below of vehicle, be formed with the bearing portion that constitutes hinge; The carrier bar of U word shape roughly is formed for accommodating the receiving space of spare tyre, and the one end is inserted bearing portion, and its other end pin is connected in stringer sides or crossbeam side and forms and freely rotate; And securing arrangement, car body can freely support the bottom of carrier bar with loading and unloading relatively.Wherein, described carriage is fixed by welding on longeron or the crossbeam, and described carriage stretches out to the receiving space side that is used to take in tire.

In the above in the support structure of spare tyre of described formation, wherein, an end of carrier bar inserts bearing portion from the receiving space side, on the other end is connected to support portion with longeron or crossbeam bonded assembly stay bearing plate from described receiving space side pin.

According to the present invention, support structure of spare tyre comprises: carriage, be located at the longeron that extends along the fore-and-aft direction of vehicle or with longeron bonded assembly crossbeam on, and extend outstandingly to under-vehicle, be formed with the bearing portion that constitutes hinge; The carrier bar of U word shape roughly is formed for accommodating the receiving space of spare tyre, and the one end is inserted bearing portion, and its other end pin is connected in stringer sides or crossbeam side and forms and freely rotate; And securing arrangement, car body can freely support the bottom of carrier bar with loading and unloading relatively.Thus, at least one end of carrier bar can be inserted in the bearing portion that constitutes hinge, freely rotate with the support bearing beam.Therefore, the prior art that is connected the carrier bar two ends with pin is compared, the number in man-hour in the time of can reducing assembling.In addition, because carriage is connected in longeron or crossbeam,, therefore can prevent that spare tyre is stolen so can pull down easily just can not resembling in the past.

According to the present invention, one end of carrier bar inserts bearing portion from the receiving space side, the other end equally also is on being connected to support portion with longeron or crossbeam bonded assembly stay bearing plate from described receiving space side pin, therefore, under the state that spare tyre is accommodated, since the obstruction of spare tyre, the two ends that can't dismantle carrier bar, thus can prevent further that spare tyre is stolen.

Description of drawings

Fig. 1 is the lateral plan of support structure of spare tyre according to an embodiment of the invention;

Fig. 2 is the scheme drawing of the support structure of spare tyre seen from vehicle lower side;

Fig. 3 is the enlarged drawing of an example that expression is connected in the carriage of longeron;

Fig. 4 is the planar view of carriage;

Fig. 5 is the enlarged drawing that expression is connected in the other end structure of the stay bearing plate of crossbeam and carrier bar;

Fig. 6 is the enlarged drawing of the pin connecting portion between the other end of stay bearing plate and carrier bar;

Fig. 7 is the enlarged drawing of other structures of the expression other end that is connected in the stay bearing plate of crossbeam and carrier bar;

Fig. 8 is the enlarged drawing of the pin connecting portion between the other end of stay bearing plate shown in Figure 7 and carrier bar.

The specific embodiment

Below, with reference to diagram embodiments of the invention are described.Support structure of spare tyre shown in Figure 1 is the underfloor 2 support spare tyres 3 at the baggage container of vehicle 1.As shown in Figure 2, support structure of spare tyre is configured between a pair of

longeron

4,5 that extends along the fore-and-aft direction of vehicle 1.Between

longeron

4,5, be fixed with the two ends of a plurality of

crossbeams

6,7, a plurality of

crossbeams

6,7 formation vehicle frame that matches with longeron 4,5.Support structure of spare tyre comprises: carrier bar 10, its formation can be accommodated the receiving space 20 of spare tyre; Carriage 11 and stay bearing plate 12 constitute the two ends 10A of this carrier bar 10, the hinge of 10B of supporting free to rotate respectively (swing); Securing arrangement 13, vehicle body 1 detachable ground supports the bottom 10C of the carrier bar 10 between two

ends

10A, 10B relatively.

Carrier bar 10 forms a plurality of pole bending machining, and its aspect forms roughly U word shape, and can carry out the elasticity displacement on the closing direction of U font open side and expansion direction.As shown in Figure 3, an end 10A of carrier bar 10 is that section is circular pole shape, and as shown in Figure 1, the other end 10B of carrier bar 10 forms plane by the extrusion pole, and is provided with hole 9.

As shown in Figure 3, carriage 11 is the metal manufacturing, and its peripheral position is by the medial surface 4A of welded joint in a longeron 4, and extends outstanding to the below of vehicle 1.Form hole 14 at the lower end of carriage 11 11A, this hole 14 constitutes bearing portion.In this hole 14, directly insert an end 10A of carrier bar 10, an and end 10A who supports carrier bar 10 free to rotate, but, consider durability in the present embodiment, tubular stinger 15 and welding are fixing in hole 14, the internal diameter of pipe 15 satisfies the condition that can insert an end 10A, manages 15 thus and constitutes bearing portion.But also can not adopt pipe 15, also can form bearing portion in the hole 14 by bearing is embedded into.One end 10A of carrier bar 10 is inserted into this pipe 15 from receiving space 20 sides.Symbol P represents the position of weld.

As shown in Figure 2, stay bearing plate 12 is the metal manufacturing, and forms コ shape section, two sides 12A, the 12B of its open side by welded joint to crossbeam 6 so that between stay bearing plate 12 and crossbeam 6 formation space 16.As shown in Figure 5, be formed for the hole 17 that pin connects the other end 10B of carrier bar 10 in the bottom of a side 12A of stay bearing plate 12, this hole 17 constitutes support portions.Rod pin 18 is inserted into the hole 17 towards receiving space 20 sides from space 16 sides, is inserted into then the hole 9 of other end 10B of the carrier bar that overlaps with side 12A from receiving space 20 sides.As shown in Figure 6, use known spring cotter 19 to be inserted into the hole 18A that is located at rod pin 18 front ends, come off to prevent rod pin 18 from receiving space 20 sides.Thus, the other end 10B of carrier bar 10 connects by pin, is supported in crossbeam 6 sides that are fixed with stay bearing plate 12 free to rotately.Symbol 21 expression pads.

As shown in Figure 1, securing arrangement 13 is made of anchor clamps 22 and known moving part 22, these anchor clamps 22 be used to lock bottom 10C of carrier bar 10, and this moving part 22 is made of the screw bolt and nut portion that support 22 is moved up and down, and by instrument swivel bolt not shown in the figures, so that anchor clamps 22 move up and down.

In the support structure of spare tyre that constitutes like this, process carriage 11 and stay bearing plate 12 in advance, be welded to respectively again on longeron 4 and the crossbeam 6.As shown in Figure 3, the end 10A with carrier bar 10 is inserted into the pipe 15 of carriage 11 from receiving space 20 sides, as shown in Figure 5, other end 10B is overlapped with the side 12A of stay bearing plate 12 from receiving space 20 sides.Then,, and pass rod pin 18 patchholes 17 and the hole 9 from space 16 sides that between crossbeam 7 and stay bearing plate 12, form from receiving space 20 sides, from receiving space 20 sides pad 21 is set again, fixing with spring cotter 19 then, thus, carrier bar 10 is supported in vehicle body 1 free to rotately.In this state, spare tyre 3 is accommodated in the receiving space 20, rotate carrier bar 10 to the direction (top) near vehicle body 1, by being located at the bottom 10C of the securing arrangement 13 locking carrier bars 10 on the vehicle body 1, thus, spare tyre is accommodated in the vehicle body 1.

Like this, an end 10A of carrier bar 10 who is formed for accommodating the receiving space 20 of spare tyre 3 is inserted in the pipe 15 with longeron 4 bonded assembly carriages 11, and with the other end 10B of carrier bar 10 with on stay bearing plate 12, form, be used for pin bonded assembly hole 17 and overlap, stay bearing plate 12 is connected with crossbeam 6 simultaneously, other end 10B by rod pin 18 pin connection carrier bars 10 freely rotates it again, therefore, the structure that is connected carrier bar 10 two ends with pin is compared, the number in man-hour in the time of can reducing assembling.In addition,, stay bearing plate 12 welding are fixed on the crossbeam 6,, therefore can avoid spare tyre 3 stolen as far as possible so unlike the prior art, carriage 11 and stay bearing plate 12 can not be dismantled because respectively carriage 11 welding are fixed on the longeron 4.One end 10A of carrier bar 10 inserts bearing portion 15 from receiving space 20 sides, other end 10B supports freely to rotate by the rod pin 18 that passes towards receiving space 20, and the spring cotter 19 of slip-off preventing is installed in receiving space 20 sides, therefore, as shown in Figure 2, in the time of in spare tyre 3 is contained in receiving space 20, can from support portion 15, not extract an end 10A, or extract the spring cotter 19 of other end 10B.Therefore, can prevent further that spare tyre 3 is stolen.

In the present embodiment, respectively carriage 11 is affixed on the longeron 4, stay bearing plate 12 is affixed on the crossbeam 6, support bearing beam 10 freely to rotate thus, but, also can respectively carriage 11 be affixed on the longeron 5, stay bearing plate 12 is affixed on the crossbeam 7, change the direction of carrier bar 10 thus to vehicle 1 left-right rotation.Perhaps also carriage 11 can be connected on the crossbeam 7, stay bearing plate 12 is connected on

longeron

4 or 5, thus the two ends of support bearing beam 10 freely to rotate.Consider the freeing pipe of vehicle 1 bottom configuration or the position of silencer, can suitably change the allocation position and the direction of carriage 11 and stay bearing plate 12, can be applicable to various vehicles.

In Fig. 5, Fig. 6, support other end 10B freely to rotate by the rod pin 18 that passes to receiving space 20, and pad 21 is set, fixing with spring cotter 19 again, but be not limited to this mode.For example Fig. 7, shown in Figure 8 also can not be provided with pad 21 direct mount spring cotters 29, and the one end is inserted among the hole 18A of rod pin 18, tightens central portion, makes the other end be crimped on the outer peripheral face of rod pin, also can prevent from thus to come off.

Symbol description

1 vehicle, 2 underfloors

3

spare tyres

4,5 longerons

6,7 crossbeams 14,15 bearing portions

One end of 10 carrier bar 10A carrier bars

The bottom of the other end 10C carrier bar of 10B carrier bar

11 carriages, 13 locked instruments

17 support portions, 20 receiving spaces

Claims

1. a support structure of spare tyre is the support structure of spare tyre that supports spare tyre at the underfloor of vehicle, it is characterized in that comprising:

Carriage, be located at the longeron that extends along the fore-and-aft direction of described vehicle or with described longeron bonded assembly crossbeam on, and extend outstandingly to described under-vehicle, be formed with the bearing portion that constitutes hinge;

The carrier bar of U word shape roughly is formed for accommodating the receiving space of described spare tyre, and the one end is inserted described bearing portion, and its other end pin is connected in described longeron or described crossbeam bonded assembly stay bearing plate and forms freely rotates; And

Securing arrangement, described relatively vehicle can freely support the bottom of described carrier bar with loading and unloading,

Wherein, described carriage and described stay bearing plate are fixed by welding on longeron or the crossbeam, and described carriage stretches out to the receiving space side that is used to take in tire,

One end of described carrier bar inserts described bearing portion from the receiving space side, and the other end of described carrier bar inserts rod pin and supported freely to rotate, and in described receiving space side construction opening pin slip-off preventing on described rod pin.