CN87104266A

CN87104266A - Luggage holder with suspension type crossbeam

Info

Publication number: CN87104266A
Application number: CN87104266.5A
Authority: CN
Inventors: 威廉A·拉索尔
Original assignee: HURON/ST CLAIR Inc
Current assignee: HURON/ST CLAIR Inc
Priority date: 1986-08-19
Filing date: 1987-06-18
Publication date: 1988-03-23
Also published as: DE3727475A1; KR880002701A; GB2194204A; GB8713333D0; JPH0579539B2; CA1305687C; CN1003848B; GB2194204B; JPS6349564A; DE3727475C2

Abstract

A crossbeam that constitutes carrying support on the luggage bracket.This crossbeam comprises that being installed in the crossbeam termination is fixed to the attaching parts that the framework of luggage bracket gets on to crossbeam.Each attaching parts comprise one insert the crossbeam termination to projecting inward part, the lower edge of a U type and a straight upper limb.The lower edge of attaching parts is concordant with crossbeam to reduce eddy current and resistance to flow of steam.Equally, the upper limb of attaching parts is concordant with the top of side bar to reduce resistance.Attaching parts is with screw it to be fixed on crossbeam and the side bar.

Description

The present invention relates to a crossbeam that is adapted to be mounted within the luggage holder of automobile-exterior face, especially hard-wired crossbeam, this crossbeam have formed the suspension type carrying support of luggage bracket.

For a long time, people use the luggage holder that is installed in the automobile-exterior face to transport the luggage that is placed on automobile external.The simplest form of luggage bracket is to be made of one group of parallel strip of installing with automobile top with flushing, and these laths are in order to provide additional support to prevent the damage of roof.Yet these supports lack the device that retrains luggage, usually cause losing of luggage when luggage skids off support.

In order to overcome this shortcoming, added the high framework of frame preventing that luggage is owing to the change of momentum skids off carriage.Framework generally is that the lath periphery along supporting luggage extends, and with being installed in pillar supporting on the roof on the surface that exceeds automobile.Though provide the constraint of supporting to main article, found that heavier goods causes supporting slat and the bending of roof by gravity easily.And, because the weight and the aerodynamic requirement of automobile do not wish to adopt heavier material manufacture support.

As a result, develop the support of raising that does not rely on vehicle roof supports, and because these luggage brackets can assemble, this manufacturing and erected cost have just been reduced before installing.Yet these existing high support both lacked necessary perimeter constraint, again crossbeam used heavy connecting device.Because the basic goal of any automobile design is will produce the automobile of aerodynamic requirement as far as possible to eliminate resistance.Because these connecting devices have increased air-flow resistance and this target of out of reach on the key position of vehicle structure.

The present invention be a kind of luggage bracket improvement the crossbeam assembly set, it has overcome the shortcoming of the luggage holder of prior art.

This crossbeam of design-calculated is to be used for constituting a fixing carrying support that hangs on the luggage bracket week frame according to the present invention.All frames of luggage bracket are adapted to be mounted within car surface, and the high certain distance of relative car surface frame.Crossbeam of the present invention comprises that one has the cross section and is having of ellipse garden shape beam member upper and lower surface, elongated.Be used for the connecting device that crossbeam is fixed on the framework side bar is installed on each termination of beam member.Attaching parts has the flat substantially body of a band U-shaped root edge and straight apical margin.Be provided with an inside projection at the root edge place near attaching parts, it is inserted and secured in the hollow end of beam member.

The structure of the profile of attaching parts and inside projection all is in order to reduce the framework side bar and to hang the air-flow resistance that attaching parts produced between the crossbeam and design-calculated.So when beam member is connected on the attaching parts, will align with the lower surface of beam member in the U-shaped base of attaching parts.Equally, when crossbeam was connected on the side bar, the upper limb of attaching parts will align with the upper limb of side bar.In addition, making a call to a through hole, be used for crossbeam is fixed on mounting screw on the framework so that pass near the upper limb place of attaching parts.

Other purpose of the present invention, characteristics and advantage will be hereinafter show in conjunction with the accompanying drawings the detailed description.

The detailed description that most preferred embodiment of the present invention is carried out in conjunction with the accompanying drawings can have more fully the present invention and understand.Identical in the drawings parts adopt identical label.Wherein:

Fig. 1 is mounted in the transparent view that car surface has embodied of the present invention high luggage bracket.

Fig. 2 is the decomposition diagram before the present invention assembles.

Fig. 3 is a section-drawing of the present invention.

At first, represent that luggage bracket 10 of the present invention is installed on the outside face of automobile, 12 to support and transportation luggage or similar goods referring to Fig. 1.What show in this most preferred embodiment is that luggage bracket 10 is contained on the automobile top, but this is applicable to that also luggage holder is installed on the bonnet.Luggage bracket 10 generally includes a framework 14 that becomes rectangle substantially.This framework is bearing on the car surface 12 with certain spatial relationship with a plurality of supporting seats 16.Framework 14 comprises the side bar 18 of two longitudinal extensions between bearing 16 at least.Auxilliary beam 20 also can be fixed on the bearing 16 in order to constitute the framework 14 of rectangle, and these auxilliary beams 20 also can replace with crossbeam 22 of the present invention.As shown in Figure 1, embody on the side bar 18 that suspension type crossbeam 22 of the present invention removably is fixed on framework 14.

Referring now to Fig. 2 and Fig. 3, crossbeam 22 comprises the beam member 24 that elongated two ends have identical termination 26.For the sake of clarity, only a termination 26 with regard to beam member 24 illustrates the present invention, and the assembling that uses the same method of the two ends of every crossbeam 22.The cross-sectional plane of beam member 24 is ellipse garden shape substantially, and it has a upper surface 28 and a lower surface 30.In most preferred embodiment, the termination 26 of beam member 24 is hollow to hold the connecting device that bottom will talk about.But, beam member 24 also can be with round tube shape structure to reduce production costs.And beam member 24 also can adopt the cross-sectional plane of Any shape, but the cross-sectional plane of ellipse garden shape can provide maximum loading strength, and the air-flow resistance minimum.

Crossbeam 22 also comprises the termination 26 of beam member 24 is connected to the device 32 that side bar 18 gets on securely.This connecting device 32 is fixed on crossbeam 22 between the framework 14 formed planes and car surface 12 by luggage bracket 10 in the mode that hangs on the side bar 18, and comprises a connection piece 34.Attaching parts 34 has substantially L-shaped cross section, and it has a projection 36 in the hollow termination 26 that can inject beam member 24.Inwardly projection 36 has with the very close ellipse garden shape profile of the shape of beam member 24, to guarantee firm connection.In addition, with bolt or screw 38 attaching parts 34 is fixed on the beam member 24.This screw matches with the hole 42 of the inside projection of hole 40 of opening on the wall of beam member 24 and attaching parts 34, so that attaching parts 34 links together with beam member 24.

Still see Fig. 2 and Fig. 3, attaching parts 34 has a bottom surface that takes the shape of the letter U substantially 44, and the shape of its shape and beam member 24 lower surfaces 30 is very close.And, although inwardly projection 36 still has a garden shoulder 46 very near the lower edge 44 of attaching parts 34 between the lower edge 44 of projection 36 and attaching parts 34.Because similar profile and shoulder 46 arranged, when the result connected with beam member 24 at attaching parts 34, the lower surface 30 of beam member 24 and the root edge of attaching parts 34 can concordant (as shown in Figure 3).This butt joint that flushes has substantially reduced the air-flow resistance that crossbeam 22 is produced on be fixed to the luggage bracket side bar 18 of prior art the time.

Assembling is during crossbeam 22, can be at an easy rate with its parallel interval be fixed on the side bar 18 constituting a carrying surface, this carrying surface hang on the framework 14 and be in car surface 12 and framework 14 between.Attaching parts 34 has a through hole 48 that holds mounting screw 50, and screw 50 patchholes 48 attaching parts 34 is connected on the side bar 18, thereby crossbeam 22 also are connected on the side bar 18.In most preferred embodiment, side bar 18 has preformed hole 52 on the position of wanting mounting rail 22, and screw 50 patchholes 52 just are fixed on attaching parts 34 on the side bar 18.

Be clearly shown that as Fig. 2 joint 34 comprises a straight upper limb 54 of cardinal principle, in the junction of crossbeam 22, it is concordant with the upper limb 56 of side bar 18.The through hole 48 of attaching parts and the hole 52 of side bar 18 locate to guarantee that these limits align mutually.So just removed and made the limit of exposing that carriage 10 pneumatic design performances reduce, therefore the purpose that provides the additional air flow resistance to be reduced to the attachment face of minimum luggage bracket 10 has been provided.

Like this, the invention provides a suspension type carrying surface below the framework periphery that is suspended on luggage bracket, so that goods is limited in the luggage bracket.In addition, the position of crossbeam and quantity can change, to form the carrying surface of varying strength and size.At last,, should be understood that crossbeam 22 also can be by vertical layout to form carrying surface although described the present invention in conjunction with some crossbeams that extend between the vertical side bar of framework.

Above detailed description is limitation of the present invention just in order to be well understood to the present invention and can not be understood as.For those of ordinary skill in the field, under the situation of the scope and spirit that do not break away from claim, carry out various improvement and be not difficult.

Claims

1, is suitable for being installed in the luggage bracket of automobile-exterior face, comprise that a spatial relationship with certain that becomes rectangle substantially is bearing in the framework of car surface top, this framework has two side bars and at least one crossbeam to have constituted a carrying support that hangs on the said frame, and wherein said crossbeam comprises an elongate beam member with two relative terminations and upper and lower surface; And be used between plane and car surface that described framework forms, in the mode that hangs, the member of described crossbeam is connected to device on the described side bar.

2, by the described crossbeam of claim 1, wherein said connecting device comprises that one has the attaching parts that is fixedly connected to the inside projection in the above-mentioned beam member termination and described attaching parts is fixed to device on the described side bar.

3, by the described crossbeam of claim 2, the lower surface of wherein said beam member has a structure that roughly takes the shape of the letter U, and described attaching parts also has a root edge that roughly takes the shape of the letter U, and this root edge is consistent with the shape cardinal principle of described beam member lower surface.

4, by the described crossbeam of claim 3, wherein said inside projection is very close to the root edge of above-mentioned joint, and when described attaching parts is fixed to above-mentioned beam member when getting on, the root edge of described attaching parts is concordant with the lower surface of described crossbeam.

5, by the described crossbeam of claim 2, wherein said attaching parts has a upper limb that is roughly straight line, and when above-mentioned attaching parts is fixed to described side bar when getting on, described upper limb is concordant with the top of described side bar.

6, by the described crossbeam of claim 5, wherein said attaching parts has a through hole, and described anchor fitting has comprised that passing described through hole enters described side bar described crossbeam is fixed to the screw on the side bar.

7, be used to constitute the crossbeam of the carrying support of the luggage bracket on the outside face that is adapted to be mounted within automobile, luggage bracket has a framework that cardinal principle is rectangular, this framework is on a certain plane, be bearing on the car surface with the certain space relation, and two described side bars are arranged, and described crossbeam comprises:

Elongated beam member with upper and lower surface, described lower surface has a profile that is the U type substantially; And

Between formed plane of described side bar and car surface, the termination of described beam member is connected to device on the described side bar with hang;

Described connecting device comprises an attaching parts, this attaching parts has an inside projection in the termination that is fixed to described beam member, also comprise and be used for described attaching parts is fixed to device on the described side bar, described attaching parts has a root edge that becomes U-shaped substantially, the profile of the profile of root edge and the lower surface of described beam member is unanimous on the whole, also has cardinal principle upper limb linearly;

Wherein, when described attaching parts was fixed on the described beam member, the root edge of described attaching parts was concordant with the lower edge of described beam member, and when described attaching parts was fixed on the described side bar, described upper limb was concordant with the top of described side bar.

8, by the described crossbeam of claim 7, wherein said attaching parts includes a through hole, and described anchor fitting includes and passes described through hole and stretch into described side bar described crossbeam is fixed to the screw that described side bar gets on.

9, luggage bracket that is suitable for being installed on the car surface, this carriage comprises that one is bearing in framework on the car surface with certain spatial relationship in a plane, the crossbeam that this framework has a pair of side bar and at least one extends between the described side bar, is the surface of U type up and down substantially and forms a carrying support, and described crossbeam termination is connected to the plane that formed by described framework and the device between the car surface in the mode that hangs, connecting device includes:

An attaching parts, it have be the U type substantially with described crossbeam lower surface profile root edge unanimous on the whole, substantially apical margin linearly and one near described root edge to projection;

Described inside projection injects in the termination of described crossbeam regularly and makes the root edge of described attaching parts concordant with the lower surface of described crossbeam;

When described attaching parts was fixed on the described side bar, described upper limb was concordant with the top of described side bar.

10, by the described connecting device of claim 9, wherein said attaching parts has a through hole, is used to hold described crossbeam is fixed to the screw that described side bar gets on.