Correspondingly, the invention provides rectangular on the whole tubing of a kind of cross section or section bar on the one hand, it has the formation tubing that extends longitudinally or each side of section bar, wherein, at least at an end that is close to section bar, and a lateral trench is arranged therein and on side plate in the minor flaps of plate end, wherein, groove and fin lateral alignment, its position is suitable for respectively and the fin and the groove of similar tubing or section bar engage, and this is formed with the connection of relative angle in this way to tubing or section bar.
In one embodiment, provide a kind of section bar, wherein, the plate that has groove and fin comprises the side of a pair of longitudinal extension, defines the openings of sizes of section bar between this opposite side.In this case, groove is fabricated on the side, and minor flaps is produced on another side, and fin is in the end of side.
For connecting effectively, fin need turn up with respect to tubing or section bar, still, make that fin and plate are mutually concordant to seem convenient, fin was mutually concordant with plate when plate had just been made, and when requiring a pair of tubing or section bar be linked together mutually, fin is just gone out to excurvation.
Particularly, the angular relationship between aforesaid each plate is right-angle relationship preferably, and wherein, fin and groove are positioned at the inboard of angle.
According to a first aspect of the invention, the invention describes the connection between a pair of tubing or the section bar, further, be connected with certain angular relationship between them.
In the application of a recommendation, the present invention has also described a kind of doorframe, as hollow doorframe, it comprises at least one column, a upper rail and a lower guideway, column and upper and lower guide rail comprise the described section bar of first aspect present invention, concern at right angles mutually between guide rail and the column that the opening direction of its middle guide medium section is facing to the inside of doorframe.
Below by embodiment, and the present invention is described in more detail by means of corresponding accompanying drawing, wherein:
Fig. 1 is a phantom drawing in kind, shows the column and the upper and lower guide rail of hollow doorframe according to an embodiment of the invention;
Fig. 2 shows the identical shaped section bar that has of a pair of not connection;
Fig. 3 is section bar half-finished partial plan layout of steel when not having roll forming;
Fig. 4 is the local end view that is cut, the state when showing section bar and preparing to link to each other;
Fig. 5 is similar to Fig. 4, links to each other and rectangular relation but show;
Fig. 6 is the lateral view of sliding door mount structure in the second embodiment of the invention;
Fig. 7 is the sectional schematic diagram along the 7-7 line;
Fig. 8 is the cross-sectional view along the amplification of 8-8 line;
Fig. 9 is the schematic diagram along the cross section of 9-9 line;
Figure 10 is the schematic diagram along the cross section of 10-10 line;
Figure 11 is the fragmentary, perspective view of a column;
Figure 12 is the fragmentary, perspective view of post end;
End and column that how Figure 13 shows upper rail form interlocking;
Figure 14 is a partial view, shows a column and a crossbeam;
Figure 15 shows column and crossbeam has formed interlocking; With
Figure 16 is the partial section along the 16-16 line.
Fig. 1 shows hollow doorframe 10, comprising: column 12, long upper rail 14 and short lower guideway 16.Three assemblies of this of doorframe are made by the similar rolling channel steel of cross section.The two ends of guide rail and column 12 at right angles concern, the other end of lower guideway 16 is connected to the point midway of upper rail 14 by a pair of steel plate 18,19 that certain intervals arranged.This is connected to respectively on the column 12 the side crossbeam 20,21 of steel plate by separately.
The header portion of upper rail 14 has been determined the scope 23 that Men Suoneng opens, and column 12, steel plate 18,19 and side crossbeam 20,21 determined spaces are the hollow parts 22 of door, and it can hold slide door plate, the position that this moment, door was in out.At the scene, whole doorframe be fastened on the floor respectively, on the top rail 26 and in the door pillar 28,29 of certain intervals.Usually, the covering of plaster board or other dividing plates can be installed to arbitrary side of doorframe 10, to hide hollow parts 22.
Side crossbeam 20,21 is installed on column section bar 12 and the column steel plate 18,19, the column steel plate utilizes fin and groove mutual interlocking gear to be connected in respectively on upper rail 14 and the lower guideway 16, it is described similar with Australian patent application NO.PN4134/95, and the invention exercise question of Australian Patent is " Fence Post and RailCombination ".Its content is contained in this, for your guidance.
For Fig. 2, each section bar 12,14 and 16 all is rolling rail, comprising: substrate 30,32,33 and two narrow front end- plates 34,35 of side plate, front end-plate extends along the edge longitudinal of side plate 33,32.Between these end plates, determined the open portion 11 of section bar, and a little replication limit 36 has all been arranged on each end plate.In each end of column 12 and at least one end of guide rail 14,16, all there is a kind of identical connecting mode.One of them end plate 34 has a lateral trench 40, and it is to the degree of depth of the as many as section bar of distance of section bar end, the i.e. width of each side plate 32,33.At this groove in a lateral direction, apart from the position of section bar end same distance, another end plate 35 with a tip-tilted prominent shape fin 42 as the end.
Fig. 3 be about steel plate semiproduct 12 ' partial plan layout, section bar can be by folding up these semiproduct and roll forming along dotted line among the figure as 12,14 and 16.Represent with identical label with the corresponding part of rolling section bar.To semiproduct 12 ' the end shear can obtain groove 40 ' and fin 42 '.Fin 42 ' manufacturing process be: along side plate 33 ', end plate 35 ' and replication limit 36 ' between fold line 44,46 shear, back clip to from the end and the same lateral position of groove 40 ' be in, then, herein with replication limit 36 ' cut, and with end plate 35 ' cut short, then end plate 35 ' remaining part be fin 42 '.
The a pair of forming profiles of positioned opposite has been shown among Fig. 2, wherein fin 42 outside perks separately, they are rectangular with respect to section bar in essence.Connection process is: at first, two section bars are piled up, then, they are close together as shown in Figure 4, fin 42 is inserted in the groove on the other side 40 of another section bar so that make separately.The shearing shape of fin can allow it to have enough laterally to move, and two section bars are by being separated from each other around axis rotation, and axis is on the position of groove of aligning, can be mounted to two section bars by rotation around this axis a pair of, as shown in Figure 5.In this process, fin 42 can be around adjacent end plate at its lower swing, the back of this side plate can be swung and be accommodated in to the side plate of this fin 42 and the section bar that is in relative both sides around another section bar side plate, promptly enters cavity 41, and cavity 41 is to form by the end plate 35 of cutting fin 42 front sides.As can be known, at the corner assemblies place, the side plate 33 of guide rail 16 is adjacent at the side plate 32 of the outside and column 12 from Fig. 4 and Fig. 5.Therefore, the side plate 33 of column 12 will be adjacent with the side plate 32 of guide rail 16 in the outside.
Find also that simultaneously navigate in the wooden doorframe in case the metal door frame that assembles is spirally connected, this coupling method is identical with the intensity of welding method.Upper rail 14 can be used as the slide rail of the appended wheel of door-plate, or equips independently slide rail in addition on the doorframe.
Fig. 6 shows the structure of the slip doorframe of slightly changing 50, and it makes shaping according to the present invention.The employed label of each several part and Fig. 1 employed label meaning in Fig. 5 is identical.
Doorframe 50 comprises upper rail 14 and lower guideway 16, but on the structure in the drawings, the equal in length of upper rail 14 and lower guideway 16.Doorframe also comprises the connection between column 12 and upper rail 14 and the lower guideway 16 certainly, and doorframe is identical to structure shown in Figure 5 with Fig. 2 in essence.Similarly, same structure is also adopted in the connection between upper rail 14 and the column 12.Yet, in the present embodiment, because steel plate 18 and 19 is omitted, and by column section bar 52 and 54 replacements, the two column section bars relation of videoing each other, as shown in Figure 7 and Figure 8.
Column section bar 52 comprises a side wall surface 56, and it defines the sidewall of slip doorframe or adjacent with this sidewall.56 extended to form replication plate 58 inwards from the side, it is in the face of the hollow parts 22 of door.The other end at side wall surface is a lateral surface 60, and it is by inner side edge 62 indentation inwards, and side 62 links to each other with medial surface 64.Medial surface 64 links to each other with end face 66, and parallel with side wall surface 50, and end face 66 links to each other with replication plate 68, plate 68 and plate 58 coplanes.Column section bar 54 and 52 structure are the reflection relations, here no longer narration.
Figure 11 shows the structure of column section bar 52 and 54 upper ends.As seen from the figure, the upper part of end face 66 is cut in edge and is formed first breach 70.Second part of end face 66 also cut and formed first opening 72, and opening 72 is positioned under the breach 70.Identical breach 74 and opening 76 are fabricated on the end face 66 of second column section bar 54.Breach in column section bar 52 and 54 and opening portion form with the adjacent end portion of upper rail 14 and connect, and below in detail it will be described in detail.
Figure 12 shows the end with column section bar 52 and 54 adjacent upper rails 14.In this structure, cut a part of material from the end of side plate 32 and 33 and form groove 78 and 80, thereby determined ledge 82 and 84 separately.Groove 78 and 80 also defines outstanding limit 86 and 88, but outstanding limit links to each other with base plate 30.
As shown in figure 13, the size of upper rail 14 ends can form interlocking with column section bar 52 and 54 just.Particularly, ledge 82 and 84 can fitly be inserted among opening 72 and 74 respectively.And outstanding limit 86 and 88 is inserted into respectively in breach 70 and 74. Groove 80 and 78 length should be able to guarantee that the end of upper rail 14 leans against or be adjacent to the surface 62 of column section bar 52 and 54.This just provides a kind of exquisiteness firm connecting mode for the upper end of upper rail 14 and column section bar 52 and 54.Between the lower end of lower guideway 16 and column section bar 52 and 54, also there is identical connecting mode playing a role.
In doorframe 50, there is the crossbeam 90 of several levels to be arranged between column 12 and the column section bar 52,54.Figure 14 and 16 shows an end of crossbeam 90 and the process that column section bar 52 forms interlocking.Same mechanism also uses on column section bar 54 and column 12.
Crossbeam 90 has been shown among Figure 14 has been made up of C shape shaped steel, C shape shaped steel has from substrate 92 directions inside side plate 94,96 and replication limit 98,100.In the end of crossbeam one mutual interlocking gear is arranged, side plate 94 and 96 and replication limit 98,100 cut a part so that the end 102 that makes substrate 90 is as installing plate.End 102 overlaps on the medial surface 64 of column section bar 52, and its length should make free end 104 abut against on the surface 62.There is an all-in-one-piece clip 106 end 102, and clip is positioned at the end face middle part substantially.Clip 106 is to the section bar inside bend, as shown in figure 16.The surface 64 of column section bar 52 has one to extrude formula bayonet socket 108, to hold clip 106.Between end 102 and section bar 52, mutual interlocking gear is played a role, move down clip so that form interlocking, shown in Figure 15 and 16 by free end clip 106 is inserted in the bayonet socket 108.The other end of crossbeam 90 also is shaped on identical clip, and the side plate 32 of column 12 also is shaped on the part that is equivalent to bayonet socket 108.Although do not illustrate among the figure, the another side of doorframe 50 also has the crossbeam of structure same as described above, so that the side plate 33 of column 22 is connected on the column section bar 54.
Also can be provided with vertical retaining element (not illustrating), link with adjacent crossbeam 90.Vertical retaining element and crossbeam 90 utilize all-in-one-piece clip to form interlocking, and this clip is identical with structure illustrated in fig. 16 with Figure 14 or similar.
By the elaboration to some new corrective measures, described structure can be more advanced, and this should be not opposing with aim of the present invention and scope certainly, and aim of the present invention and scope comprise the combination of each novel characteristics and novel feature disclosed herein.
By the present invention, unless the article Special Statement, word " comprises " or is similar as " including ", " comprising " all shoulding be understood to and comprise described part or part family, but do not repel part or the part family that contains other.