DE102008041928A1 - Injection anchor i.e. bracket, for injection fixation of e.g. French balcony in borehole in wall of building, has rod whose lateral surface comprises opening that is provided for channel, and another opening that is in connection to channel - Google Patents

Abstract

The anchor (1) has a rod (10) with a hollow section (20) that is arranged in a borehole or recess, and another hollow section (30) that is arranged outside the borehole or recess. The sections have an inner lying channel that extends between the sections. A lateral surface (11) of the rod has an opening (22) provided for inner lying channel at one of the sections (20), and another opening (31) that is in connection to the inner lying channel at the other section (30). An offset recess (13) i.e. groove, is provided in the lateral surface of the rod and arranged in a circular manner. An independent claim is also included for a method for producing an anchor fixation at a wall or a ceiling of a building.

Description

FIELD OF THE INVENTION

The The invention relates to a fastening device, in particular a Anchor for injection attachment in a bore or in a recess with a rod and a method of attachment. The staff points a first portion for placement in the bore or recess and a second section for disposition outside of Hole or recess on.

STATE OF THE ART

Around For example, to attach objects to a wall or ceiling are various attachment mechanisms, in particular screw fasteners, known. To screw in a hard or porous object However, different tools are needed. So that the attachment has a high stability, can also injection anchors are used. At this attachment will a hardenable mass in a borehole or a recess, in which the anchor is to be fixed, injected and cured.

This is how the German patent specification describes DE 27 55 831 C2 an injection anchor with injection channel. The injection channel extends from the end face of the armature along the side wall, whereby the injection mass distributed between the borehole wall and the anchor. It can also be formed a plurality of injection channels, whereby the armature has a deviating from a circular cross-sectional shape.

Another possibility for injection attachment discloses the utility model DE 201 05 013 U1 , It describes an anchor sleeve for injection fixation. The anchor sleeve has a receiving space for an anchor and is provided with outlet openings. These outlet openings are arranged on the jacket in the longitudinal extension of the anchor sleeve, so that the anchor sleeve essentially describes the shape of a sieve. Furthermore, the anchor sleeve on a setting collar, which is arranged in the inserted state outside the bore.

to Fixing the anchor sleeve is inserted into a borehole and a mortar over the receiving space or pod injected so that the mortar through the outlet openings the sleeve in the space between the sleeve and Wall of the borehole penetrates. Subsequently, the Anchor rod arranged in the receiving space. An attachment of the Anchor is complex and there are long fixing times during installation to take into account.

DISCLOSURE OF THE INVENTION

OBJECT OF THE INVENTION

It It is therefore an object of the invention to provide an anchor for injection attachment to provide that is easy to assemble and a simple Structure has. Furthermore, it is an object of the invention, a To provide methods of attachment by injection anchor, which allows easy and quick installation.

TECHNICAL SOLUTION

These Task is solved by an anchor with the features of claim 1 and a method having the features of the claim 32. Advantageous embodiments are the subject of the dependent Claims.

Of the Anchor for injection attachment has a rod with a first Section and a second section on, with the first section for arrangement in the bore or in a recess and the second Section outside the bore or the recess arranged becomes. In this case, the first section and the second section are at least partially hollow and have an internal channel, which is located between extending the first and the second section. On a lateral surface of the rod is at least a first opening on the first section arranged to the inside channel and at least on the second section a second opening with a connection to the inside Channel arranged.

• – Anordnen mindestens eines ersten Abschnitts des Ankers in einer Bohrung oder Ausnehmung
• – Einbringen einer aushärtenden Injektionsmasse in eine zweite Öffnung bis die Injektionsmasse durch eine erste Öffnung in die Bohrung oder Ausnehmung austritt und diese füllt; und
• – Aushärten der Injektionsmasse.

A corresponding anchor can be easily arranged on a wall or a ceiling of a building or the like, wherein the following steps are carried out:

• - Arranging at least a first portion of the armature in a bore or recess
• - Introducing a curing injection mass in a second opening until the injection material exits through a first opening in the bore or recess and fills it; and
• - curing of the injection mass.

The present invention is characterized in that the injection compound, in particular in the entire region of the first portion, can be filled in a simple manner into a bore or a recess through the inner channel in the armature and the anchor is fastened directly. Thereby, the mounting times of a component to be fastened by the injection anchor according to the present invention can be reduced. In particular, in the assembly of large and / or heavy objects, the injection anchor have due to the tolerance compensation by the In jektionsmasse proved to be particularly advantageous.

Of the Anchor for injection attachment can on the lateral surface of the rod have at least one stepped recess. Thereby can additionally by positive connection of the armature with the injection mass the strength of the attachment can be increased.

The stepped recess can be formed as a groove and in particular be arranged circumferentially. This will change the structure of the offset recess simplified, thereby reducing the production cost considerably and achieved a balancing distribution of the injection mass during assembly can be.

By the arrangement of the stepped recess in the first section becomes also a larger recording room for the Injection mass created. Furthermore, the second opening a larger cross-sectional area than the have at least a first opening. This can be a large amount of the injection mass over the second opening be introduced into the anchor for injection attachment, wherein the injection compound in the injection anchor over a distributed inside channel and preferably over several first openings delivered to the environment of the first section becomes.

Around a good distribution of the injection material in the bore or recess To achieve, it has proved to be advantageous if a plurality of first openings are arranged to the inner channel and the first openings are arranged along the circumference.

Around the even distribution of the injection mass can improve in the hole or recess, respectively two first openings of the cross-sectional area Seen from opposite to be arranged. additionally This embodiment has the advantage that the respective first openings as a continuous first openings can be produced, thereby reducing the manufacturing cost can be reduced.

A Another advantageous embodiment provides that the front side has a chamfer on the first section. This can be done the anchor for injection attachment during assembly easier in Insert a hole or recess.

The End of the first and / or second portion may be an end cap exhibit. This allows the inner channel the first portion and / or second portion at the end faces close. Thus, the internal channel in easier Be prepared by drilling, after manufacture the inner channel of these are closed by an end cap can. In particular, on the front side of the first section can this takes place before the intended use, so that the injection mass through the side of the lateral surface arranged first openings must escape.

The End caps can be detachable or unsolvable by Force, form or material connection to be connected to the rod. there can the end cap on the rod or the anchor for injection attachment welded, screwed or plugged. There are of course other types of connection possible, like gluing.

Around to simplify the manufacture of the anchor for injection fixation, It has proven to be advantageous if the cross-sectional area at least Part of the first section describes the shape of a ring. The outer contour of the cross-sectional area of the rod can be the shape of a circle, an ellipse, a rectangle, describe a square or a polygon.

The Cross sectional area of the first section may differ from the cross-sectional area of the second section in the mold and / or differ in dimensions.

The second opening for introduction of the injection mass may be near the transition to the first section be arranged on the lateral surface of the second portion. Thus, the injection mass needs only a short way to the cover first openings. However, you can the second opening is also arranged on the front side of the second section be.

A Another embodiment provides that after the attachment of the anchor for injection attachment a closure cap is provided, which is the second opening closes. Thus lets to prevent z. B. during curing injection mass the at least one second opening comes out. Corresponding Thus, the inner channel is completed to the outside.

Of the Anchor for injection attachment can be made of any suitable material be formed, in particular aluminum, aluminum alloys, steel, steel alloys, Copper, copper alloys, plastics, ceramics and composites.

At the transition between the first and second sections of the anchor for injection attachment, a facing element may be provided, wherein in the inserted state in a bore or recess, the second opening and the bore or recess through the Verblendelement can be covered.

Of the second section may be holding and / or receiving means for arrangement of an element or an object. In the simplest case are the holding and / or receiving means as a simple rod section trained, screwed to the objects, welded or can be attached in any other way. alternative or additionally, the holding and / or receiving means Thread, connectors, clamp connections and the like include. In particular, the second section can also be in another component be integrated, such. B. a balcony railing.

A Another embodiment provides that the armature for the arrangement of objects at least two bars for injection attachment having. In this case, the anchor for the arrangement of objects as a bracket be formed, wherein a plate at least two rods connects to the injection attachment.

Corresponding can the anchor for injection attachment to the holding and / or Receiving means for arranging a balcony, a ceiling element, a retaining rail, a pole, a wall element, a railing, another part of the building, a reinforcement or parapet, be designed a staircase or a stirrup or form part of it. This can be the previously mentioned Components in a simple way with the anchor for injection attachment Arrange. The holding and / or receiving means can thereby connected by force, form or material connection with the component be.

The Injection compound may include adhesives, so in addition to a positive fit and / or frictional absorption of the anchor when volume increase during curing, a cohesive attachment given the anchor.

BRIEF DESCRIPTION OF THE FIGURES

Further Advantages, characteristics and features of the present invention by the following detailed description of embodiments clearly with reference to the attached drawings. The figures show in a purely schematic way in

1a a perspective view of a first embodiment of the anchor for injection attachment;

1b a first side view of the first embodiment of the anchor for injection attachment;

1c a second side view of the first embodiment of the anchor for injection attachment;

1d a sectional view of the first embodiment of the anchor for injection attachment;

2a a perspective view of a second embodiment of the anchor for injection attachment;

2 B a sectional view of the second embodiment of the anchor for injection attachment according to the 2a ;

2c a side view of the second embodiment according to the 2a ;

3 a third embodiment of the anchor for injection attachment.

EMBODIMENTS

The 1a . 1b . 1c and 1d show a first embodiment of the anchor for injection attachment. The anchor 1 essentially comprises a rod 10 , The rod 10 has a first section 20 and a second section 30 on. Furthermore, the staff 10 essentially in accordance with the first embodiment, a round cross-sectional area. Both the first section 20 , as well as the second section 30 inside are at least partially hollow, so that an internal channel 21 is formed, which is between the first section 20 and the second section 30 extends.

Furthermore, the first section 20 according to the present embodiment, a plurality of recessed recesses 12 on that radially around the rod 10 are arranged and formed as a groove.

The lateral surface 11 of the staff 10 points in the area of settled recesses 12 several first openings 22 on, extending from the lateral surface 11 to the inside channel 21 extend. In this embodiment, the first openings 22 formed as through the rod through openings, so that in each case two first opening 22 lie opposite. As in particular in 1d are shown, in the first embodiment, a plurality of first openings 22 arranged, with the first openings 22 along a longitudinal axis 16 of the staff 10 evenly spaced from each other are arranged. Several first openings 22 are in the set recesses 12 also arranged distributed over the circumference. The first openings 22 may also be objected to each other differently and / or have different angles to each other. By the arrangement of the first openings 22 will connect in the area of the first Ab -section 20 from the outside to the inside channel 21 educated.

The second section 30 has a second opening 31 to the inside channel 21 on, with the second opening 31 preferably in the vicinity of the transition from the second to the first section 20 is arranged.

The second section 30 is designed so that the inside channel 23 from the first section 20 to the second opening 31 extends. The remaining interior of the second section 30 is massively designed.

For fixing the anchor 1 in a wall, ceiling or floor element (not shown) is at least a portion of the first section 20 of the anchor 1 arranged in the wall, ceiling or floor element. Subsequently, for example, mortar or resin as an injection mass in the second opening 31 brought in. Due to the pressure during insertion of the injection compound, this connects in the inner channel 21 and finally flows out of the first openings 22 out. Subsequently, the injection compound is distributed, in particular in the region of the recessed recesses 12 in the borehole or the recess and connects to the material of the wall, ceiling or floor element.

To the anchor 1 easier to bring in a recess or hole, the rod has 10 in the area of the first section 20 a chamfer 13 on the front side.

As from the pictures 1a to 1d can be seen, the anchor of the invention 1 the injection attachment can be made in a simple manner by a casting process and / or by a machining process. In the latter case, the front side with the chamfer 13 be designed as an end cap (not shown).

The 2a . 2 B and 2c show a second embodiment of the anchor according to the invention for an injection attachment. An anchor 1 has two bars 10 and a holding means 40 in the form of a plate. Here are the two rods 10 and the retaining means 40 arranged perpendicular to each other.

Similar to the first embodiment according to the 1a to 1d show the bars 10 a cylindrical shape. Every bar 10 covers along its longitudinal axis 16 a first section 20 and a second section 30 , where the first section 20 and the second section 30 inside are at least partially hollow, so that they have a common internal channel 21 exhibit. The first paragraph 20 has several stepped recesses 12 on, on a lateral surface 11 of the staff 10 are arranged. Each offset recess 12 has first openings 22 on, which connects outside to inside channel 21 represent. At the front 14 of the first section 20 is a chamfer 13 educated.

The second section 30 has a second opening 31 on, in contrast to the first embodiment according to 1a to 1d according to the present embodiment, the internal channel 21 is formed so that this up to the front side of the second section 30 extends and there the second opening 31 is arranged. The holding means 40 points according to each bar 10 recesses 41 for holding the bars 10 on, with the second section 30 in the recess 41 is arranged. Here is the second opening 31 arranged so that they are above the holding means 40 is accessible.

With the plate 40 the anchor is designed as a bracket, so that the anchor facade elements or insulation boards can be kept on a wall.

For fixing must be at least a part of the first section 20 in a bore or recess (not shown) are introduced. An injection mass is thereby through the second openings 31 introduced, whereby the injection compound in the internal channels 21 spreads and spreads over the first openings 22 distributed in the holes or recesses. After curing of the injection mass of the anchor is fixed in the bore or recess.

In the 2c a corresponding attachment of a facade panel is shown. This is indicated by the facade panel 60 for every stick 10 an appropriate implementation 61 for receiving the second section of the bars 10 on Here is the length of a rod 10 so choose that at least a first opening 22 into the bore or recess of a wall 50 , a ceiling, or a floor is introduced. Preferably, however, a plurality of recessed recesses 12 and thus several first openings 22 into a hole or recess in the wall 50 brought in.

For fastening the facade panel 60 becomes the anchor 1 in the bushings 61 introduced until the plate 40 on the facade panel 60 is present and the first section 20 of the bars 10 in the hole of the wall 50 is arranged. One in the second opening 31 finally introduced injection compound is distributed in the internal channel 21 and flows out of the first openings due to the feed pressure 22 out, leaving the facade panel 60 with the anchor 1 on the wall 50 is arranged.

The 3 shows a further embodiment of the use of the anchor according to the invention 1 , In this figure is the attachment of a French balcony 65 or a railing with the help of several anchors 1 shown for injection attachment. The balcony 65 or the railing comprises four anchors according to this embodiment 1 , where the anchor 1 on the balcony 65 or already firmly fixed on the railing.

The anchors 1 essentially correspond to the anchor 1 from the 1a to 1d or 2a to 2c , wherein additionally a veneering element 15 is arranged. The facing element 15 is as an accessory to the anchor 1 arranged, wherein the facing element 15 essentially covers the second opening and the bore in the mounted state. It serves in addition to the aesthetic functions also the sealing of the second opening to the environment. In addition to the veneering element 15 can also be used a cap, the cap is inserted into or on the second opening, so that it is sealed or completed.

Even though the present invention with reference to the accompanying embodiments has been described in detail, is for the expert of course, that the invention is not limited to this Embodiments is limited, but rather Modifications or changes according to the appended claims, the amendments by different combinations of individual features shown as well as omission of individual features can be done. In particular, any combination of individual features shown of the invention.

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 2755831 C2 [0003]
• - DE 20105013 U1 [0004]

Claims (34)

Anchor for injection attachment in a bore or recess with a rod ( 10 ), whereby the rod ( 10 ) a first section ( 20 ) for placement in the bore or recess and a second section ( 30 ) for disposition outside the bore or recess, characterized in that the first section ( 20 ) and the second section ( 30 ) are at least partially hollow and an internal channel ( 21 ) between the first and second sections ( 20 . 30 ), wherein a lateral surface ( 11 ) of the rod ( 10 ) at least one first opening ( 22 ) to the internal channel ( 21 ) on the first section ( 20 ) and at least one second opening ( 31 ) with a connection to the internal channel ( 21 ) on the second section ( 30 ) having. Anchor for injection attachment according to claim 1, characterized in that the lateral surface ( 11 ) of the rod ( 10 ) at least one recessed recess ( 12 ) having. Anchor for injection attachment according to claim 2, characterized in that the at least one offset recess ( 12 ) is formed as a groove. Anchor for injection attachment according to claim 2 or 3, characterized in that the at least one stepped recess ( 12 ) is arranged circumferentially. Anchor for injection attachment according to at least one of claims 2 to 4, characterized in that the offset recess ( 12 ) in the first part ( 20 ) lies. Anchor for injection attachment according to one of the preceding claims, characterized in that the at least one second opening ( 31 ) has a larger cross-sectional area than the at least one first opening ( 22 ) having. Anchor for injection attachment according to one of the preceding claims, characterized in that a plurality of first openings ( 22 ) are arranged along the circumference. Anchor for injection attachment according to claim 2, characterized in that the first openings ( 22 ) in the recessed recess ( 12 ) are arranged. Anchor for injection attachment according to one of the preceding claims, characterized in that in each case two first openings ( 22 ), viewed from the cross-sectional area center, are arranged opposite one another. Anchor for injection attachment according to one of the preceding claims, characterized in that at least two first openings ( 22 ) in at least one plane perpendicular to the longitudinal axis ( 16 ) of the rod is located, are arranged. Anchor for injection attachment according to one of the preceding claims, characterized in that the end face on the first section ( 20 ) a chamfer ( 13 ) having. Anchor for injection attachment according to one of the preceding claims, characterized in that the end face of the first and / or second section ( 20 . 30 ) an end cap ( 14 ) having. Anchor for injection attachment according to claim 12, characterized in that the end cap ( 14 ) insoluble or detachable with the rod ( 10 ) connected is. Anchor for injection attachment according to claim 12 or 13, characterized in that the end cap ( 14 ) by force, form or material connection with the rod ( 10 ) connected is. Anchor for injection attachment according to one of claims 12 to 14, characterized in that the end cap ( 14 ) to the staff ( 10 ) is welded. Anchor for injection attachment according to one of claims 12 to 14, characterized in that the end cap ( 14 ) to the staff ( 10 ) is screwed. Anchor for injection attachment according to one of claims 12 to 14, characterized in that the first end cap ( 14 ) to the staff ( 10 ) is attached. Anchor for injection attachment according to one of the preceding claims, characterized in that the cross-sectional area of the first portion ( 20 ) describes the shape of a ring. Anchor for injection attachment according to one of the preceding claims, characterized in that the outer contour of the cross-sectional area of the rod ( 10 ) describes the shape of a circle, an ellipse, a rectangle, a square or a polygon. Anchor for injection attachment according to one of the preceding claims, characterized in that the cross-sectional area of the first portion ( 20 ) differs from the cross sectional area of the second section ( 30 ) differs in shape and / or dimensions. Anchor for injection attachment according to one of the preceding claims, characterized in that at least one second opening ( 31 ) near the transition from the first section ( 20 ) to the second section ( 30 ) is arranged. Anchor for injection attachment according to one of the preceding claims, characterized in that at least one second opening ( 31 ) on the front side of the second section ( 30 ) is arranged. Anchor for injection attachment according to one of the preceding claims, characterized in that the anchor ( 1 ) a closure cap for the second opening ( 31 ). Anchor for injection attachment according to one of the preceding claims, characterized in that the rod ( 10 ) is made of a material from the group comprising aluminum, aluminum alloys, steel, steel alloys, copper, copper alloys, plastics, ceramics and composites. Anchor for injection attachment according to one of the preceding claims, characterized in that at the transition between the first and second sections ( 20 . 30 ) a veneering element ( 15 ) is provided. Anchor for injection attachment according to claim 25, characterized in that the second opening ( 31 ) through the veneer element ( 15 ) is covered. Anchor for injection attachment according to one of the preceding claims, characterized in that the second section holding and / or receiving means ( 40 ) for arranging an object. Anchor for injection attachment according to one of the preceding claims, characterized in that the anchor ( 1 ) at least two bars ( 10 ) for injection attachment. Anchor for injection attachment according to claim 28, characterized in that the anchor ( 1 ) is formed as a bracket, wherein a plate connects at least two rods for injection attachment. Anchor for injection attachment according to one of the preceding claims, characterized in that the holding and / or receiving means ( 40 ) are arranged to form a balcony, a ceiling element, a retaining rail, a rod, a wall element, a railing, another part of the building, a reinforcement or parapet, a staircase or a retaining bracket or are a part thereof. Anchor for injection attachment according to one of the preceding claims, characterized in that the holding and / or receiving means ( 40 ) by force, form or material connection with at least one rod ( 10 ) is connected to the injection attachment. Method of making an anchor attachment to a wall or ceiling of a building using an anchor ( 1 ) according to any one of the preceding claims. Method for producing an anchor fastening according to claim 32, characterized in that the following work steps are carried out: a) arranging at least one first section ( 20 ) of the anchor ( 1 ) in a bore or recess; b) introducing an injection compound into a second opening ( 31 ) until the injection material exits through a first opening in the bore or recess and fills it; c) curing the injection mass. Method for producing an anchor fastening according to claim 34, characterized in that on the holding and / or receiving means ( 40 ) a balcony, a ceiling element, a support rail, a rod, a wall element, a railing, another part of the building, a reinforcement or parapet, a staircase or a headband is arranged.