DE7215162U - Spacers for reinforcing bars - Google Patents

Description

Utility model registration

of Ingeborg Schwachula KG

4p food, Limbecker Platz

Spacers for reinforcing bars

The invention relates to a spacer for reinforcing bars with a bearing bore for the reinforcing bars.

Spacers, as used in concrete structures for distancing and fixation for reinforcement bars opposite formwork surfaces are known in various embodiments. In particular, spacers are known that can be used in several positions resulting in different distances. A well-known spacer of this type consists of a U-shaped bent sheet metal strip, soft as a support for the reinforcing bars with a saddle

J Andrejewski, Honke & Gesthuysen, patent attorneys, 4300 Essen, Theaterplatz 3 I.

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is provided with notches in its web and on at least one side edge of its legs. Depending on whether the If the spacer is arranged standing or lying on the formwork surface, two different distances result for the reinforcement bar placed on top. The disadvantage here is the production from a bent sheet metal strip, which is production-wise is expensive. It is also unsatisfactory that only two different distances can be achieved * In contrast, spacers that consist of a substantially cylindrical or slightly conical sleeve are more advantageous diametrically opposite edge recesses for storage of the reinforcing bars. In doing so, inside the Sleeve stiffening webs or cross pins can be arranged, which at the same time for fastening tie-rod wires or the like to serve. This embodiment is also in terms of production engineering A disadvantage, especially when the spacers are made as a plastic injection-molded part target. In addition, the reinforcing bars for their attachment; have to be tied up at such spacers, which is labor-intensive. - These disadvantages are with one Another embodiment avoided, which is designed as a cross holder, wherein in the longitudinal direction of the shorter cross leg a bearing hole is provided for the reinforcing bars is. However, such spacers are disadvantageous in that they only predetermined a single one Allow distance to the formwork surface.

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Andrejewski, Honke & Gesthuysen, patent attorneys, 4300 Esser Theaterplatz

The invention is based on the object of providing a spacer of the type described at the outset, which sioh thanks to its particularly simple and functional design and can not only be produced as a plastic injection-molded part with little material expenditure, but In addition, on the one hand, it enables different distances to be set and, on the other hand, the reinforcement bars can be tied up makes redundant. This object is achieved by the invention in a spacer of the above type in that that the holder is designed as a polygonal disk with a plurality of set-up edges distributed over its circumference and the bearing bore is arranged eccentrically at a different distance from the erecting edges in the polygonal disk is. - These measures of the invention have the consequence that the spacer according to the invention or more of them can, as it were, be threaded onto the reinforcing bar concerned and arranged in relation to this bar in such a way that that the desired distance from the formwork surface results. The setting of the desired distance: takes place by loosely turning the spacer (s) open the rebar. The number of installation edges determines the number of possible differing distances. By the If the spacer according to the invention is threaded onto its reinforcing bar, there is no need for tying up. After preferred Embodiment of the invention is provided that the polygonal disk is designed as a square disk with four set-up edges and the distances from the bearing bore

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Andrejewski, Honke & Gesthuysen, patent attorneys, 43Q0 Essen, Theaterplatz 3

fifteen millimeters, twenty millimeters, twenty-five millimeters and thirty millimeters to the edges be. - These dimensions are the usual distance dimensions, so that practically the formation of the polygonal disk as a square disk enough. For reasons of material savings, but also to avoid injuries in the course of threading the inventive To report spacer on the reinforcing bars, preferably has the polygonal washer between the erection edges rounded or beveled corners.

The advantages achieved by the invention are essentially to be seen in the fact that a universal insertable spacer made of plastic is realized, which is particularly simple and functionally reliable Excellent construction. The construction is simple because the spacer according to the invention is merely a stretching disk is constructed and consequently can easily be produced as a plastic injection-molded part. Puncture-friendly Construction is realized because the spacer according to the invention on the one hand is particularly stable and dimensionally stable despite low material costs, on the other hand the establishment of a plurality of different distances between the rebars and formwork surfaces made possible by simply rotating the polygonal disk on the reinforcing bars. As a result of the bearing bore the reinforcing bars in the spacer according to the invention

Andrejewski, Honke & Gesthuyseni Patentanwälte, 4300 Essen, Theaterplatz

stored in such a way that the spacer (s) can be lost without locking.

The result is a spacer that meets the requirements placed on it.

In the following the invention is based on one only a drawing illustrating an embodiment is explained in more detailj it shows:

Fig. 1 A reinforcing bar with several according to the invention Spacers in view from above and

FIG. 2 shows the object according to FIG. 1 in side view.

In the figures, a spacer made of plastic •, reinforcing bars 1 with a bearing hole 2 for loading - 'reinforcement bars shown. The holder is a polygonal disk 3 with a plurality of adjusted over their circumference Stand-up edges 4 formed. The bearing bore "is off-center, each with a different distance d arranged to the erecting edges 4 in the polygonal disk j5. In the embodiment shown, the polygonal disk is designed as a square disc with four mounting edges 4 and the distances from the bearing bore 2 to the

Andrejewski, Honlce & Gesthuysen, patent attorneys, 43C0 tssen, Theaferplatz 3

Stand-up edges 4 fifteen millimeters, twenty millimeters, twenty-five Millimeters and thirty millimeters. The polygonal disk 5 has beveled corners 5 between the set-up edges 4, which can also be rounded. According to a preferred embodiment of the invention, which is of independent importance, form several polygonal disks 5 with a reinforcing bar 1 a spacer unit. For this purpose, the polygonal disks (3) made of plastic are firmly attached to the common reinforcing bar 1 sprayed on, aligned with one another, around the spacer unit in a stable manner at the selected distance to be able to put on the formwork.

Claims (4)

Andrejewski, Honke & Gesthuysen, patent attorneys, 4300 Essen, Theaterpiatz 3 {claims for protection 1. Spacer for reinforcing bars with a bearing hole for the reinforcing bars, thereby marked t that the holder is designed as a polygonal disk (3) with a plurality of raised edges (4) distributed over its circumference and the bearing bore (2) off-center, each with a different one Distance (d) to the erecting edges (4) is arranged in the polygonal disk (3). 2. Spacer according to claim 1, characterized in that the polygonal disc (3) as a square disc with four edges (4) and the distances from the bearing bore (2) to the mounting edges (4) I5 mm, 20 mm, 25 mm and 30 mm be. , 3. Spacer according to claim 1 or 2, characterized in that the polygonal disc (3) between the erecting edges (4) has rounded or beveled corners (5) y 4. Spacer according to one of claims 1 to 3 or independently thereof, characterized in that a plurality of polygonal disks (3) Form a spacer unit with a reinforcing bar (1) and, for this purpose, the polygonal disks made of plastic (3) are sprayed firmly and aligned with one another onto the common reinforcing bar (1). Y