CN1865045A - Freight truck brace and its production method - Google Patents
Freight truck brace and its production method Download PDFInfo
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- CN1865045A CN1865045A CN 200510074640 CN200510074640A CN1865045A CN 1865045 A CN1865045 A CN 1865045A CN 200510074640 CN200510074640 CN 200510074640 CN 200510074640 A CN200510074640 A CN 200510074640A CN 1865045 A CN1865045 A CN 1865045A
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- top layer
- freight truck
- groove
- brace
- truck brace
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Abstract
The invention relates to a support of camion, which can be fixed to the bracket of camion via at least one end, while the bracket is fixed at the top of camion. Wherein, said support has hollow molding element, with at least one longitudinal groove; and the device for fixing the support to the bracket or fixing the carried element or carrying device to the support can extend along said groove; the hollow molding element is coated by protective plastic or rubber which covers most surface of molding element.
Description
Technical field
The present invention relates to a kind of pillar of freight truck; described freight truck brace is designed to and can be fixed to the freight truck support by at least one end; described support is fixed to roof; described freight truck brace has hollow formed parts; it has at least one longitudinal slot; being used for fixing freight truck brace can extend by described groove to the mechanism of described freight truck brace to the mechanism of freight truck support or constant load part or load carrier; the outside of hollow formed parts is provided with the plastics of the protectiveness of sealing; the major part at least of the surface of shaped parts that forms groove is arranged to cover in rubber or similar material top layer, described protectiveness top layer.
The invention still further relates to the method for making freight truck brace, described pillar is designed to be fixed to the freight truck support at least one end, support is fixed to roof, freight truck brace has hollow formed parts, and its outside is provided with plastics, rubber or the similar material top layer of the protectiveness of sealing; And be provided with at least one longitudinal slot.
Background technology
Prior art knows that already preface partly introduces the freight truck brace of type.These freight truck braces have the in-to-in metal piece, are made by hollow formed parts, and its cross section can be rectangle, circle or basic for oval.Usually, freight truck brace is provided with longitudinal slot in its bottom side and along its relative end, be used to insert clamping element suitable on the freight truck support, so pillar can be clamped to the appropriate location on the freight truck, pillar can be positioned at the selectable location along slot length.
The freight truck support can connect together in a different manner with freight truck brace, but freight truck brace can have one or more longitudinal slots or bottom slot, with constant load part or load carrier.
For the load elements of protecting freight truck brace to avoid corrosion and the support of protection freight truck brace avoids damaging, usually, freight truck brace is provided with plastics, rubber or the similar material top layer or the coating of the protectiveness of outside.Usually, this protectiveness top layer forms around the freight truck brace extruding, so that form shell or foreskin around pillar.Cohering between foreskin and the adjacent metal material can produce defective, but as long as foreskin or protectiveness top layer are not damaged, and demonstrates the longitudinal break that does not have suitable length, and this problem is not very important.
When the freight truck brace that is provided with the protectiveness top layer by this way forms longitudinal slot, the part that is positioned at groove protectiveness top layer on every side will not stick to matrix, because these local protectiveness top layers are easy to damage, and distortion or destruction.What in addition, form groove surperficially freely is exposed to corrosion.
US Patent 4501385 discloses a kind of freight truck brace of the preamble according to claim 1, it has the passage of longitudinal extension, to hold one or more clamping plate spares, on it holding element can be set, when being fixedly connected load elements when the freight truck brace, can prevent the longitudinal sliding motion of clamping plate spare with crimp.
Freight truck brace in the above-mentioned file is made by two kinds of different materials of roll forming, exterior surperficial withstanding corrosion and plastic material and in-to-in metal sheet attractive in appearance.The pillar that this known manufacturing technology is produced, also in the limit of passage surface coverage plastic surface layer.But the pillar of being produced can not make the length that is shorter in length than pillar of groove or passage.
Summary of the invention
An object of the present invention is to propose the freight truck brace of the disclosed type of a kind of preface part, designed freight truck brace can prevent the inherent defect that prior art has.Particularly, the objective of the invention is to propose a kind of freight truck brace, wherein the protectiveness top layer is arranged on the appropriate location securely, although there is longitudinal slot, wherein the surface of protectiveness top layer formation groove is protected and can prevents corrosion.
Another object of the present invention is to propose a kind of freight truck brace, the simple and low cost of manufacture of this pillar.
Another purpose of the present invention is to propose the method that a kind of preface partly discloses type, and this method can be made freight truck brace, and protectiveness top layer wherein remains on the appropriate location of the both sides of longitudinal slot.The surface of the formation groove of freight truck brace is protected and avoids corrosion.
The freight truck brace that the present invention partly mentions type by a kind of preface has overcome shortcoming above-mentioned; it is characterized in that; channel opening is towards the end of freight truck brace; at least one is provided with recess in vertical surface of two formation grooves near the end of freight truck brace, and the protectiveness top layer extends to this recess.
Can realize constituting the purpose on basis of the present invention by a kind of method of the present invention; it is characterized in that; before described freight truck brace is provided with the protectiveness top layer; freight truck brace forms groove; the protectiveness top layer is applied to freight truck brace with the form of crust; cover described groove simultaneously; part on the protectiveness top layer that covers described groove forms recess; recess is less than described groove; so the protectiveness top layer forms protrusion; extend to outside the limit that forms groove, the formation of protrusion can cover surface most of at least of the formation groove of freight truck brace.
Description of drawings
By will being described in detail the present invention with reference to the accompanying drawings, in the accompanying drawing:
Fig. 1 is the section drawing in longitudinal slot zone of the freight truck brace of one embodiment of the invention; With
Fig. 2 is the planar view that the freight truck brace of Fig. 1 is looked from the side that groove is set.
The specific embodiment
The freight truck that requires to transmit roof load is typically provided with freight truck brace 1, and pillar is horizontal expansion on roof, at the place, two ends of pillar support is arranged, and freight truck brace is fixed to two relative side positions of roof by support.In order to make such freight truck brace can be applicable to dissimilar and automobile pattern, require freight truck brace can carry out length adjustment, or can relatively move between freight truck brace and its bottom.In some design and structure, freight truck brace is whole by anchor clamps on the support or corresponding hole, is clamped to the appropriate location with suitable adjusting position.In this case, the design of freight truck brace and structure are not very important, because its inside is not used for being connected to each other.
In another design and structure, freight truck brace is a hollow, be provided with longitudinal slot at its relative petiolarea, longitudinal slot is positioned at the bottom surface, be connected to each other mechanism can enter freight truck brace by longitudinal slot inside on the support, so, being connected to each other mechanism by actuating these, freight truck brace can be fixed on the support by chosen position.The present invention can be applicable to back one type freight truck brace.
Can use under the another kind of situation of the present invention, freight truck brace can be the profiled member that has base channel, and groove is used for fixing the load carrier of load elements or certain type.This freight truck brace longitudinal direction of car relatively extends, and for example, can be included in or form the so-called roof railing of part
Fig. 1 and Fig. 2 have shown freight truck brace 1 of the present invention, and it has in-to-in hollow metal profiled member 2, and profiled member is the actual bearer mechanism of freight truck brace.Among the embodiment shown in the figure, the cross section of profiled member 2 roughly is a rectangle, once produces the tubular this design of metal.
In order to protect profiled member 2 to avoid corrosion and protection load part, it is subjected to the supporting of freight truck brace 1, and freight truck brace has outer protection top layer 3, and it can comprise plastics, rubber or similar material.Protectiveness top layer 3 surrounds profiled member 2, has the form of shell or covering, docks with intimate.At least protectiveness top layer 3 along the unspoiled part of peripheral direction, the top layer is subjected to certain stretching along peripheral direction around profiled member 2, because will there be slight contraction on the protectiveness top layer after being applied to the appropriate location.
At upside, protectiveness top layer 3 is fit to be provided with a plurality of vertical flanks or projection 5 or thickening, is used to increase the friction with load elements, can also increase the resistibility of protectiveness top layer to wearing and tearing and similar abrasive action.
The length of the freight truck brace 1 that shows in the accompanying drawing is approximately 1 meter, is provided with groove 4 in each end, and the magnitude of its length is between 10 to 20 centimetres, to regulate the position that freight truck brace is fixed to the support of vehicle.Longitudinal slot 4 has the relative defining surface 6 of profiled member 2, and has the end and form the surface, and it shows in the accompanying drawings, also can be along circular arc bow roughly.
Protectiveness top layer 3 has inside part 7, and it is arranged to cover at least the main portion of the defining surface 6 of groove 4.Inwardly the internal end surface 8 of part 7 can be concordant with the inboard 9 of the diapire 10 of profiled member 2.Therefore when along the longitudinal movement of freight truck brace, the inside part 7 on protectiveness top layer 3 can not prevent that medial surface 9 parts are to profiled member 2 slides within.
Under other situation, the part that is arranged in the profiled member makes this become possibility, and the inboard 9 of profiled member 2 can be extended and partly cover to inside part 7 around groove 4 defining surface 6 on every side.
As mentioned above, protectiveness top layer 3 be applied to profiled member 2 back some the time have certain contraction.If inwardly preceding formation has taken place in the contraction of part 7 on the protectiveness top layer, the protectiveness top layer will be extended along peripheral direction along the part that freight truck brace is provided with groove 4, because inwardly part 7 combines with limit or defining surface 6 as catching part.Inwardly therefore part 7 will be pressed onto the surface 6 that forms groove.
But this material that requires to form protectiveness top layer 3 has certain rigidity, and is very natural, and the material thickness of the transition region in the subtend between the adjacent part on part 7 and this partial sum protectiveness top layer 3 has requirement.
As for the suitable material on protectiveness top layer example, can adopt polyethylene or polypropylene, in this case, the material thickness of protectiveness top layer 3 and its inside part 7 can be 0.6 to 1 millimeter of magnitude.The suitable material thickness of profiled member 2 shows in the accompanying drawings, is approximately 2 millimeters.
Fig. 2 clearly illustrates that the defining surface 6 that centers on longitudinal slot 4 is provided with recess 11 near the end of freight truck brace 1.Inwardly part 7 is designed to may extend in these recesses 11, or in its side rake (Heels) is set, and in the face of the bottom of recess, makes the material that forms protectiveness top layer 3 can be full of these recesses.The contraction that the protectiveness skin-material carries out no longer vertically applies contraction along freight truck brace 1 very naturally; because there are these recesses 11 in profiled member 2; and because the joint of protectiveness top layer 3 and recess, the protectiveness top layer reliably positioning and fixing in freight truck brace vertically.
The process of producing freight truck brace 1 is as follows.Profiled member 2 is cut to suitable length, process longitudinal slot 4 then, preferably by cutting or Sheet Metal Forming Technology.If because the length of groove can divide several steps to form groove.In case profiled member 2 is finished in this way, protectiveness top layer 3 is set, squeeze out shell or covering from the outside of profiled member.
Therefore plastics that squeeze out or elastomeric material can cover groove 4.In case extrusion process is finished, in case the protectiveness top layer obtains enough structural stabilities, but any contraction does not appear in one's likes or preferences, punches on the protectiveness top layer in the zone at groove 4 places.
But the hole is less than groove, makes the protectiveness top layer have outstanding limit part, and it has covered a part of groove.Surpass magnitude that the protrusion on the limit of groove can have between 1.5 to 2 millimeters.Then, the protrusion on the protectiveness top layer of formation is configured as inside part 7, and part is by mechanical-moulded, and part is by heating, to protrusion or inwardly the material of part 7 carry out plastic moulding.At this manufacturing process, should press the part of the side that is positioned at profiled member 2 12,13 on protectiveness top layer 3 at least towards the inside of profiled member, feasible and adjacent profiled member material has good docking.
Mechanical-moulded inside part 7 is fit to realize with punching press that if consider the space requirement of inside part 7, drift has the identical shape in space of leaving groove 4 for.Express like this, the thickness of drift or width must be less than about 1.5 millimeters of the width of the groove of profiled member 2.Part 7 heating are fit to adopt super sonic in the subtend, therefore have only plastic material to be heated, and the metal of profiled member 2 or drift can not generate heat.Therefore can also high concentration heat in very short finite time with local mode, it requires suitable forming process.
The front has been introduced the present invention and has been used the profiled member that is roughly the square-section.According to the present invention, profiled member 2 is a hollow, but also can have and the diverse profile of being introduced.For example, cross sectional shape can be circular, avette or oval, can also be interior shape (the most important thing is that it comprises the aluminium profiled member that squeezes out), and has the inwall of rigidity or the wall of formation bottom slot, with constant load part or load carrier.
It is shown with accompanying drawing that the present invention is introduced above not will be understood that and being limited to, and can carry out many improvement, and these improve the spirit and scope that all do not break away from claims.
Claims (19)
1. freight truck brace; it is designed to and can be fixed to the freight truck support by at least one end; described support is fixed to roof; described freight truck brace (1) has hollow formed parts (2); it has at least one longitudinal slot (4); fixing described freight truck brace can extend by described groove to the mechanism of described freight truck brace to the mechanism of described freight truck support or constant load part or load carrier; the outside of described hollow formed parts is provided with the plastics of the protectiveness of sealing; rubber or similar material top layer (3); the major part at least on described profiled member (2) surface (6) that forms groove (4) is arranged to cover in described protectiveness top layer (3); it is characterized in that; described groove (4) opening is towards the end of described freight truck brace (1); vertically at least one is provided with recess (11) near the end of described freight truck brace in the surface (6) to form two of described groove (4), and described protectiveness top layer (3) extends to described recess.
2. freight truck brace according to claim 1 is characterized in that, described protectiveness top layer (3) has covered at least a portion of the end surfaces of described freight truck brace (1).
3. method of making freight truck brace; described freight truck brace is designed to and can be fixed to the freight truck support by at least one end; described support is fixed to roof; described freight truck brace (1) has hollow formed parts (2); the outside of described hollow formed parts is provided with the plastics of the protectiveness of sealing; rubber or similar material top layer (3); and be provided with at least one longitudinal slot (4); it is characterized in that; described protectiveness top layer (3) is set before at described profiled member; the described profiled member (2) of described freight truck brace (1) forms described groove (4); the top layer applies and covers described groove (4) with the form of covering or foreskin; the part that covers the protectiveness top layer (3) of described groove forms the hole; described hole is less than described groove; make described protectiveness top layer form outshot; it extends beyond 1.5 to 2 millimeters on the limit that forms described groove (4); described outshot has formed inside part (7), has covered the major part at least on the surface (6) of the described profiled member (2) that forms described groove (4).
4. method according to claim 3 is characterized in that, carries out mechanical molding and realize forming described outshot under heating.
5. according to claim 3 or 4 described methods; it is characterized in that; when forming described outshot, described protectiveness top layer (3) keeps being attached on the profiled member (2) of described freight truck brace around the part of described groove (4), has certain extension along the direction of described groove.
6. according to each described method in the claim 3 to 5, it is characterized in that, the described surface (6) that forms described groove (4) is provided with recess (11), and it is positioned near the end of described freight truck brace (1), and the part of part (7) extends to described recess inwardly.
7. method of making freight truck brace; described pillar is fit to be fixed to roof; it is characterized in that; the freight truck brace that is provided with groove is had extend to described freight truck brace in-to-in opening; described channel opening limits the limit by at least one and forms; the protectiveness top layer has covered described freight truck brace; the part on described protectiveness top layer extends beyond described groove; covered at least a portion on described at least one qualification limit of described groove; extend to the part opening in the described groove on described protectiveness top layer; the in-to-in opening that leads to described freight truck brace can receive engagement member by described groove and described protectiveness top layer.
8. method according to claim 7; it is characterized in that; described at least one qualification limit at described groove forms breach; it is near the end of described freight truck brace; make described protectiveness top layer join described breach to, longitudinally fix described protectiveness top layer with described relatively freight truck brace.
9. method according to claim 7 is characterized in that, the outshot on described protectiveness top layer is set, and its described at least one qualification limit at described groove extends inward in the described freight truck brace.
10. method according to claim 9; it is characterized in that; described at least one qualification limit at described groove forms breach; it is near the end of described freight truck brace; make the width of described breach narrower, therefore make described protectiveness top layer to small part insert described groove than the width of described groove.
11. method according to claim 9 is characterized in that, fixes the described outshot on described protectiveness top layer at least one qualification limit of described groove, makes described outshot can stop described at least one qualification limit of described groove to be disengaged.
12. method according to claim 9 is characterized in that, makes described outshot enter the seizure part, at least one qualification limit that it is fixed to described groove makes described protectiveness top layer be fixed in described freight truck brace.
13. method according to claim 9 is characterized in that, by the mechanical molding under heating, forms the protrusion on described protectiveness top layer at least one qualification limit of described groove.
14. method according to claim 13 is characterized in that, to the heat effect of described protectiveness top layer restriction heating.
15. method of making freight truck brace; the end of described freight truck brace can be fixed to the freight truck support; described support is fixed to roof; it is characterized in that; described freight truck brace has at least one longitudinal slot; described at least one longitudinal slot has been set up the profiled member that is formed by described freight truck brace outside face; clad described freight truck brace with the protectiveness top layer; the protectiveness top layer forms by selecting material from materials such as plastics and rubber; described cladding step comprises described at least one longitudinal slot of covering; part machinery under heating at described at least one longitudinal slot of covering on described protectiveness top layer forms recess; thereby make the outshot on described protectiveness top layer be projected into described at least one longitudinal slot; the width of described outshot is less than the width of described at least one longitudinal slot; make described outshot to small part extend beyond the surface, limit of described freight truck brace; surface, described limit forms described at least one longitudinal slot; therefore described protection part covers most of at least described outside face, and described outside face has formed the profiled member of described at least one longitudinal slot.
16. method according to claim 15 is characterized in that, the fixed part on described protectiveness top layer that surround to form the described outside face of the described profiled member described protectiveness top layer that can stretch on the direction of the open region that forms towards described at least one longitudinal slot.
17. a method of making freight truck brace is characterized in that, makes freight truck brace have the cross sectional shape of cannulated; form groove at described hollow shape wall; cover described pillar, comprise the described groove on band protectiveness top layer, and provide opening by described top layer at described groove.
18. method according to claim 17 is characterized in that, forms described opening on described top layer, its width is less than the width of described groove, make described top layer form the first limit part, vertical limit that it extends beyond described groove makes the described first limit part cover the surface, vertical limit of described groove.
19. method according to claim 17, it is characterized in that, described groove is provided with at the open end of described strut ends and relative closed end, the length of described opening is shorter than the length of described groove, make described top layer have the first limit part, it extends beyond the end limit of described groove, and the described first limit part covers the surface, end limit of described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510074640 CN1865045A (en) | 2005-05-20 | 2005-05-20 | Freight truck brace and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510074640 CN1865045A (en) | 2005-05-20 | 2005-05-20 | Freight truck brace and its production method |
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| Publication Number | Publication Date |
|---|---|
| CN1865045A true CN1865045A (en) | 2006-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510074640 Pending CN1865045A (en) | 2005-05-20 | 2005-05-20 | Freight truck brace and its production method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049900A (en) * | 2016-12-20 | 2019-07-23 | 拓乐瑞典股份公司 | Vehicle load carrier |
-
2005
- 2005-05-20 CN CN 200510074640 patent/CN1865045A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049900A (en) * | 2016-12-20 | 2019-07-23 | 拓乐瑞典股份公司 | Vehicle load carrier |
| US11110869B2 (en) | 2016-12-20 | 2021-09-07 | Thule Sweden Ab | Vehicle load carrier |
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