DE1901917U - CLAMP FOR HOSES AND PIPES. - Google Patents

Description

ι RA.315 283 * 3DA64 * s3ses-s _ή

PATENT Attorney DIPL.-ING. HANS WERNER GRAF Λ /

REMOTE CALL 776205. SCHWINDSTRASSE 8. 6000 FRANKFURT A. M. April 23, 1964

Act 2346

Hans Kreidel and Dr. jur. Hans Kreidel Wiesbaden, Adelheidstrasse JO

Clamp for hoses and pipes

Subject matter of the invention forms a clamp for Hoses and pipes, consisting of a clamping screw with a cutter, 2 clamping bodies and one attached to the same Tension band.

Such clamps are in a wide variety of designs, all of which relate to the .Spannkörper; known. However, they are not able to meet the high demands that are placed on such clamping clips today, or only to an inadequate extent. The strength of the clamping clips is crucial here. In the case of the tensioning screw and the tensioning band, a high level of strength can easily be achieved by using the appropriate material. However, the difficulty with the clamping bodies is that in the same less the strength of the material _s as their training is crucial "love high strength shall namely have the tension body small size and light weight. The question of price is also in the foreground, as these types of clamps are particularly needed for hoses or pipes in large numbers *

To these demands justice au, is the! Inflation a netier Meg trod, allows the efficient production in addition to the required strength with low weight *

According to the wage, each clamping body has a slot in the bottom to hang the S ρ anband end it and one opposite the Base and both side walls reinforced front wall on *

So far only clamping bodies of the same strength are known, which leads to an unnecessary increase in weight *

Zv / eclaaässig has the end wall of one or both clamping bodies a tensioning clamp on the inside at the level of the through holes for the tensioning screw an inwardly curved planche s.B. a bead on. This means that the clamping screw can be brought into play in its position, which changes continuously when it is tightened, without any bending stress achieved,

In addition to high strength and low weight, it also has one If particularly efficient production is important, it is further proposed according to the invention that the clamping body be made from a sheet metal core appropriate shaping by repeated bending and folding along the side and front edges with a Multiple reinforced front wall to form the through holes for the tensioning screw, the bottom slot and, if necessary, the bead »

As Ausführungsbei game is such in the drawing Clamping body shown *

»■» 3 -.

Show it:

1 shows the clamp in a side view in section, FIG. 2 shows a plan view of FIG. 1,

Fig. 3-7 the various production stages in the manufacture of the clamping body.

The clamp "consists - see Fig. 1 and 2 - from the clamping screw 1 with the clamping nut 2, the two box-like clamping bodies 3 and each suspended in the bottom slot of the same Tension band 4.

With the help of Fig. 3-7, the efficient production of the clamping body is explained, the top view a on the left and the side view b being shown on the right. In the starting sheet cut according to In Fig. 3 and in the further Figs. 4-7, 5 denotes the front one Front flap with screw hole, 6 the rear end flap with an embossed Bead 7 across the center of the screw hole, 8 the base plate with slot 9 for the fastening strap and 10 the locking tabs on the side wings 11.

During the first bending process, the locking tabs 10 of the side wings 11 are bent up by 90 (FIG. 4).

During the second bending process, the side wings 11 are bent up by 90 (Fig. 5)

During the third bending process, the front end flap 5 with the rear end flap 6 located thereon is bent up by 90 and comes to rest against the two locking tabs 10 (Fig. 6).

Claims (3)

During the subsequent folding process, the rear end flap is turned over by 180 ° and thus comes to rest against the two locking lugs 10, so that these are firmly enclosed by the front end flap 5 "and the rear end flap 6. The bead 7 embossed in the rear end flap 6 appears Now on the back in a raised shape across the center of the screw hole (Fig. 7). Since the screw head and nut come to rest linearly on the back of the bead 7 and are thus able to rock there, there is the possibility of the clamping body 3 when tightening the clamping screw 1 to change its position without the clamping screw experiencing a deflection. Particular attention should be paid to the multiple reinforcement of the end wall in order to increase the strength, which is achieved with the help of the bent or folded parts 5, 6 and 10. Protection claims 1) Clamp for hoses and pipes, characterized in that that the clamping bodies have a box shape, through whose facing end faces the clamping screw engages with a nut, while the underside is provided with a slot for the suspension of the tensioning strap, with the side panels and the end face Connect the underside rigidly and firmly with each other and the other sides of the box are open. - 5 - 2) clamp according to Anspnuchi, characterized in that the each front wall of both clamping bodies at the level of the through holes for the clamping screw and / or nut has a surface that is curved inwards, e.g. a bead. 3) clamp according to .Anspruch 1 or 2, characterized in that that from a sheet metal blank suitable shaping by repeated Bending and folding ain clamping body is formed, which has a preferably multiple reinforced end wall.