EP2278081B1 - Connection frame for a floor drain and floor drain - Google Patents

Description

The invention relates to a connection frame for a floor drain with a surrounding the interior of the connection frame frame walls and with the frame walls below upper frame edges laterally projecting connection flanges for supporting the connection frame on a reservoir or a base and fixing the connection frame in a laterally adjacent floor covering, said In a transition region from the connecting flanges to the frame walls passage openings are arranged so that drainage of the laterally adjacent areas of the floor covering to the reservoir is possible through the passage openings, wherein the frame walls screens are arranged, which shield the passage openings to the interior of the lead frame back, wherein the frame walls and the aperture of the leadframe are integrally formed, wherein a lower edge of a diaphragm extends below the associated passage openings and wherein the through Lassöffnungen are arranged immediately adjacent to the associated aperture.

Floor drains are arranged outside or inside a building in order, for example, to be able to dewater a floor area covered with a floor covering in wet areas and in particular in showers. The flooring usually has a slope in the direction of Floor drain on, so that on the flooring accumulating water following the slope to flow to the floor drain or can run and can be discharged through a drain, which is arranged in the floor drain in a drainage channel.

It is known from practice floor drains, which are designed substantially in one piece and have a provided with a drainage basin. The reservoirs have upwardly projecting side walls, which in turn may have laterally projecting fastening tongues or connecting flanges. Such fastening tongues or connecting flanges are usually arranged on a substrate and under a floor covering laid thereon and serve to fix or anchor the collecting basin.

Often, the sumps have sidewalls with a top edge flush with an upper surface of the flooring, while the laterally extending connection flanges are spaced apart from the top of the sidewalls, which approximately corresponds to the thickness of the laterally adjacent flooring.

It has been shown that such reservoirs allow any subsequent orientation relative to the adjacent flooring, so that must be worked extremely precisely in the arrangement and determination of the collecting basin in a substrate and in the laying of the flooring, resulting in the effort during installation Such soil drains considerably increased. In addition, it has been found that the side Prevent adjacent drainage from the side adjacent flooring in the direction of the collecting basin. As soon as moisture penetrates into the floor covering in an area around the collecting basin, the moisture is retained until, for example, it returns to the surface due to capillary forces and dries there. However, it is precisely the area around the collecting basin that is usually particularly moist due to the waste water routed to the collecting basin, so that moisture preferably penetrates into the floor covering in this area. For example, when using floor tiles and in particular when using a floor covering made of natural stone, it may, for example, come to undesirable efflorescence of lime residues dissolved from the laying mortar, which make the floor unsightly.

It is also known from practice to design a sump so that the side walls terminate below the laterally adjacent floor covering or merge into the laterally projecting connection flanges. Since no upwardly projecting side walls shield the laterally adjacent floor covering, unimpeded drainage is possible. However, the side edges of the adjacent floor covering must be provided for or machined in a suitable manner to form exposed, sufficiently strong and safe side edges of a floor drain. For this reason, for example, the side edges of adjacent floor tiles must be sanded and cleared of sharp edges and corners, so that any risk of injury can be excluded. This is a very high one Work involved, which usually has to be carried out on site. In addition, no floor covering may be used whose edges can not withstand the expected mechanical stresses and in which it would be feared that the end areas associated with the collecting basin could be damaged or break out under load.

For example, they are off EP 1 818 464 A1 also known reservoir, which have a separate connection frame. The connection frame is placed either on laterally projecting supporting flanges or on a peripheral upper edge of the side walls of the collecting basin and forms a flush, lateral boundary for the laterally adjoining floor covering. The connection frame can be displaced laterally relative to the collecting basin below by a few millimeters, so that a subsequent alignment of the connection frame relative to the laterally adjacent floor covering is possible. In addition, the connection frame can be arranged or supported by means of suitable support devices at a distance from the laterally projecting at the reservoir connection flanges, so that between the laterally projecting flange of the collecting basin and the lead frame a drainage gap remains, which allows drainage of the laterally adjacent floor covering. However, these connection frames have from the outside almost inaccessible spaces and gaps in which moisture and dirt can collect. Such connection frames are only conditionally suitable for use in areas with increased hygiene requirements, as prescribed for example in hospitals or nursing homes. In addition, the cost of producing and mounting such connection frame is large. The leadframe can not be anchored in the laterally adjacent floor or subfloor and must be secured by suitable fasteners relative to the collection basin located below.

There are known from practice also lead frame of the type mentioned, which consist essentially of a horizontally disposed, circumferential connecting flange, whose interior facing the end is bent upwards. These bent end portions form frame walls that surround the interior of the lead frame and form a lateral boundary for the adjacent floor covering. Such connection frames can be made very easily and inexpensively and allow subsequent alignment on the collection basin arranged underneath. Such lead frames are also suitable for use in, for example, hospitals and nursing homes because there are no inaccessible areas and the reservoir facing surfaces can be easily and reliably cleaned together with the reservoir.

However, the upwardly angled end portions of the circumferential connecting flanges, which form the frame walls of the connection frame, at the same time form a moisture-proof boundary for the laterally adjacent floor covering, so that dewatering of the adjoining the connection frame areas of the floor covering is not possible.

Out DE 92 01 778 U1 is a channel enclosure for manhole cover of a drainage system known. In this channel enclosure, the inlet opening surrounded by the channel enclosure opens into a sewer pipe, through which the rainwater penetrating through the inlet opening can be discharged. In order to be able to dissipate in the event of damage to the seal of the overlying manhole cover or the channel surround the liquid surrounding the channel surround around also in DE 92 01 778 U1 a lateral projection is described, which is to collect the penetrating liquid and to lead into a jacket tube, which is arranged coaxially around the sewer pipe. Both the sewer pipe and the jacket pipe are connected to the deeper channel and open into it. Out US 2,550,402 A a floor drain is known in which in a cylindrical enclosure, which corresponds to a connection frame according to the preamble of claim 1, a sieve insert is used and placed on the enclosure a drain cover. The enclosure has a lateral passage opening for laterally adjacent to the floor drain into the ground penetrating liquid. The passage opens into a separate area surrounding a drain pipe and either filled with concrete or sealed with lead. The area around the passage opening is covered by a panel and is not accessible. The effluent through the passage opening liquid is not supplied to the drain pipe, but collected in the separate area and can not be discharged through the drain.

It is therefore considered to be an object of the present invention to design a leadframe such that drainage of the laterally adjacent regions of the flooring to the reservoir is possible, strict hygiene requirements can be met to allow use of the leadframe in hospitals or nursing homes, and a simple and inexpensive production is made possible.

This object is achieved in that the panels are formed on the frame walls by folded, arranged substantially parallel to the frame walls frame wall end portions that the panels are at least partially arranged snugly against the frame walls, and that the lower end edges of the panels drip edges form for emerging from the passage openings liquid.

The passage openings are, for example, recesses or punch-outs, which are arranged in the transition area from the substantially horizontally extending connection flanges to the substantially vertically oriented frame walls and allow drainage of the laterally adjacent floor area.

Particularly in showers or washrooms, the water entering the floor is mixed, for example, with detergents or impurities which, together with the water, can penetrate into the floor and drain into the collecting basin through the passage openings in the connection frame. However, fatty residues and impurities increasingly accumulate in it an area around the passage openings. Such residues can be cleaned only with difficulty and with considerable effort and favor unwanted nucleation. By arranged on the frame walls aperture, the passage openings are shielded to the interior of the lead frame, so that the interior facing surfaces remain free of contamination and also can be easily cleaned and disinfected if necessary.

The panel may be formed as a strip-shaped cover, which is fastened or formed substantially horizontally parallel to the passage openings arranged at a distance from one another on the frame walls, a lower edge of the panel extending below the passage openings. The shielded from the panel area includes not only the passage openings, but also an area below the passage openings, in which accumulate and accumulate accumulated as experience shows more impurities and deposits in the discharge of liquid through the passage openings in the reservoir.

A rapid and inexpensive production is inventively made possible or facilitated that the frame walls and the panels of the leadframe are integrally formed. The frame walls and the panels can be made of a suitable metal strip, which is last provided with punched and then folded in a suitable manner.

A particularly simple and cost-effective production of the lead frame is made possible by the fact that the panels are formed on the frame walls by folded, substantially parallel to the frame walls extending frame wall end portions. The frame wall end portions may be larger than the frame walls themselves and extend from an upper edge of the frame walls to below the passage openings, which are arranged approximately at the level of the connecting flanges. The frame wall end portions can be bent by 180 °, so that the frame walls are formed with the associated frame wall end portions between the laterally projecting connection flanges and the upper edge of the frame walls substantially double-walled and projecting the frame wall end portions on an underside of the connection frame down , Such a design of the aperture is inexpensive to produce with simple means and can reliably avoid excessive contamination of the externally accessible areas of the floor drain by laterally penetrating into the reservoir moisture.

In addition, the invention provides that the panels are arranged at least partially close fitting to the frame walls. In this way, cavities in inaccessible areas of the floor drain, or a gap between the frame walls and the associated panels are avoided, in which contaminants and deposits could accumulate and could be difficult to clean and disinfect.

According to the passage openings are arranged directly adjacent to the associated aperture. The lower end edges of the panels form a drip edge for emerging from the passage openings liquid. In this way, it can be prevented by simple means that the liquid emerging from the passage openings laterally flows down or runs down the side walls of the collecting basin and deposits dirt and greasy residues on the side walls of the collecting basin with increasing duration.

In order to facilitate the arrangement and alignment of a cover for the leadframe, it is provided that the shutters have recesses or formations for supporting or fixing a cover arranged between the frame walls of the leadframe. If the panels are designed to fit tightly against the frame walls, the frame walls can expediently likewise have recesses which are arranged in alignment with the associated recesses in the panels. The cover frame or a cover grate can be fixed in a simple manner, for example, latching or positive fit to the recesses or formations. It is also possible to hang the cover only on suitably designed bearing surfaces, which are formed by laterally inwardly projecting formations of the panels or the frame walls.

In an advantageous manner, it is provided that the panels have a plurality of tongue-shaped formations projecting into the interior of the connection frame each form a substantially horizontal support surface for a cover arranged between the frame walls of the leadframe. The tongue-shaped formations can be produced for example by parallel, slot-shaped punches in the strip-shaped panels and a subsequent horizontal folding of the tongues formed thereby. This inwardly projecting, forming a bearing surface tongues are expediently not directly on or in the vicinity of a passage opening, but for example, formed between two adjacent passage openings or at a distance to a passage opening in the diaphragm, so that a sufficient shielding of the passage openings is ensured ,

It is also conceivable that the connection flanges are formed at least in regions by laterally bent end regions of the frame walls of the connection frame. The frame walls are preferably bent at both ends, wherein the one beveled end forms the connection flange and the other bevelled end forms the screen which covers and shields the passage openings arranged in the transition region from the connection flanges to the frame walls. The frame walls are preferably arranged vertically. The terminal flanges forming the end portions are folded by approximately 90 ° substantially horizontally projecting, while the panels forming end portions of the frame walls are bent by 180 ° and formed close fitting to the frame walls.

It has been found that an advantageous embodiment of the passage openings can be achieved in that the transition region from the connection flanges to the frame walls has a radius of curvature which is significantly greater than the thickness of the connection flanges or the frame walls. By a suitable arrangement of the passage openings in this curved transition area from the connection flanges to the frame walls, it can be achieved in a simple manner that the passage openings extend at least in sections in a direction perpendicular to the connection flanges. The moisture penetrating into the laterally adjacent floor covering can not only drip vertically downwards into the collecting basin located below in the case of passages formed in this way, but also penetrate or flow off laterally into the collecting basin.

In order to allow subsequent alignment of the leadframe relative to the adjacent flooring and the reservoir already defined in the ground, it is provided that a distance between two opposing frame walls of the leadframe is less than a distance between associated boundaries of the collection basin. The boundaries of the collecting basin are usually formed by the side walls of the collecting basin. The distance between two opposite frame walls is advantageously about 5 to 15 mm smaller than the distance between the associated side walls of the collecting basin, so that the connection frame moved by several millimeters relative to the collecting basin arranged underneath and in can be easily aligned relative to the adjacent flooring.

The invention also relates to a floor drain with a collecting basin, optionally with a cover and with a connection frame arranged above it with the properties described above. The dimensions and the shape of the respective contact surfaces of the leadframe and the collection basin can be matched to one another in an advantageous manner and be made available as a prefabricated unit with the respectively required fastening and connection means for assembly on site.

• Figur 1 eine perspektivische Darstellung eines rinnenförmigen Bodenablaufs mit einem Sammelbecken, einem Anschlussrahmen und einer Abdeckung in auseinandergezogener Darstellung,
• Figur 2 eine Schnittansicht durch eine auf einer Seitenwand des Sammelbeckens aufliegenden seitliche Rahmenwand des Anschlussrahmens längs der Linie II-II in Figur 1 in vergrößerter Darstellung und
• Figur 3 eine Schnittansicht gemäß Figur 2, bei der zusätzlich ein seitlich an den Anschlussrahmen angrenzender Bodenbelag und eine in dem Anschlussrahmen angeordnete Abdeckung dargestellt sind.

Hereinafter, an embodiment will be explained in more detail, which is shown in the drawing. It shows:

• FIG. 1 a perspective view of a channel-shaped floor drain with a reservoir, a lead frame and a cover in exploded view,
• FIG. 2 a sectional view through a resting on a side wall of the collecting basin lateral frame wall of the connection frame along the line II-II in FIG. 1 in an enlarged view and
• FIG. 3 a sectional view according to FIG. 2 in which additionally a laterally adjoining the connection frame floor covering and arranged in the connection frame cover are shown.

In FIG. 1 an example of a trough-shaped floor drain 1 is shown. The floor drain 1 has a collecting basin 2, the bottom of which is arranged in the center in, in FIG. 1 not shown process falls off. The reservoir 2 has rectangularly arranged side walls 3 with mutually aligned, or flush subsequent upper edges 4. The upper edges 4 of the side walls 3 of the collecting basin 2 form a support for a terminal frame 5 resting thereon.

The connection frame 5 has horizontally extending, laterally projecting connecting flanges 6, which rest on the upper edges 4 of the side walls 3 of the collecting basin 2. It is also conceivable that the connecting flanges 6 rest on a surface adjacent to the side walls 3 of the collecting basin 2, not shown in the figures and possibly have an optionally small distance to the upper edges 4 of the side walls 3 of the collecting basin 2.

The connecting flanges 6 have in an outer edge region arranged recesses 7, which provides a reliable anchoring of the connecting flanges 6 in the adjacent, in the FIG. 1 allow not shown flooring.

The connecting flanges 6 merge into vertically extending frame walls 8, which are arranged in a rectangle and surround and bound an interior space 9 of the connection frame 5. An end portion 10 of each frame wall 8 is bent by 180 ° and forms a close fitting to the frame wall 8, the interior 9 of the lead frame 5 facing aperture 11. In a curved running

Transition region 12 between the connecting flanges 6 and the frame walls 8 are a plurality of passage openings 13 spaced from each other. The panels 11 shield the passage openings 13 in the direction of the interior 9, so that the passage openings 13 are neither visible nor accessible from the interior 9. Moisture entering the floor covering next to the frame walls 8 can escape through the passage openings 13 into the collecting basin 2 located underneath. Impurities such as dissolved dirt particles or fat particles that are transported through the floor covering and deposited after exiting the passage openings 13 immediately around the passage openings 13 are shielded by the aperture 11 of the interior 9 of the lead frame 5 and kept away.

The panels 11 form a substantially planar boundary of the interior 9, which is easy to clean and, if necessary, to disinfect. Since the apertures 11 fit tightly against the frame walls 8 over a further area, there is no cavity between the frame walls 8 and the apertures 11, in which impurities and residues could accumulate, which could become an undesirable hygienic load.

The distance between two opposing frame walls 8 of the connection frame 5 is less than the distance between two opposite side walls 3 of the collecting basin 2. The connection frame 5, which rests with the laterally projecting connection flanges 6 on the upper edges 4 of the side walls 3 of the collecting basin 2 can therefore relative to the Sump 2 are moved. In this way, within the predetermined by the respective dimensions of the collecting basin 2, or the lead frame 5 areas of the connection frame 5 are aligned and fixed independently of the reservoir 2 relative to the adjacent flooring, which facilitates the installation of the floor drain 1 much.

A cover 15 which covers the interior 9 except for a circumferential gap 14 rests on retaining tongues 16, which are formed on a lower end region 17 of the panels 11 and folded inwards. It is also possible that the cover 15 has height-adjustable feet and side spacers, which make it possible to set the cover 15 on the bottom of the collecting basin 2 and align laterally to the aperture 11 of the lead frame 5.

The end regions 17 of the diaphragms 11 form a drip edge 18 for liquid emerging through the passage openings 13, so that the exiting liquid does not flow down on an inner side 19 of the side walls 3 of the collecting basin 2, but runs down on an inner side 20 of the diaphragms 11 facing the passage openings 13 and drain from the drip edge 18 into the reservoir 2. By a suitable design of the surface of the inner sides 20 of the diaphragm 11, an undesired adhesion of impurities can be additionally avoided and undesired deposits of impurities in a region around the passage openings 13 around clearly reduced, or almost completely prevented.

In Fig. 3 For illustration, a floor covering 21 is additionally shown which consists of floor tiles 22 which are embedded on an adhesive substrate 23 or in joint mortar 24.

The terminal frame 5 can be inexpensively assembled from sheet metal parts, which were suitably provided with punches and folded. It is likewise conceivable to produce a connection frame 5, which is only slightly modified in terms of its shape, in one piece from a sheet metal strip which is punched and folded in a suitable manner. Instead of a substantially channel-shaped shaping, the collecting basin 2, the connecting frame 5 and the cover 15 adapted thereto may also have a square or round shape.

Claims (8)

1. Connecting frame (5) for a floor drain (1) having frame walls (8) surrounding an inner space (9) of the connecting frame (5) and having connecting flanges (6) laterally protruding on the frame walls (8) below upper frame edges for supporting the connecting frame (5) on a reservoir (2) and for securing the connecting frame (5) in a laterally adjacent floor covering, wherein through-openings (13) are arranged in an transition area (12) from the connecting flanges (6) to the frame walls (8) so that dewatering of the laterally-adjacent regions of the floor covering toward the reservoir (2) is possible through the through-openings (13), wherein orifices (11) are arranged on the frame walls (8) shielding the through-openings (13) toward the inner space (9) of the connecting frame (5), wherein the frame walls (8) and the orifices (11) of the connecting frame (5) are formed in one piece, wherein a lower edge of an orifice (11) extends below the assigned through-openings (13) and wherein the through-openings (13) are arranged to be directly adjacent to the assigned orifices (11), characterized in that the orifices (11) are formed on the frame walls (8) by chamfered frame wall end sections arranged essentially in parallel to the frame walls (8), that the orifices (11) are arranged to rest closely against the frame walls (8) at least in sections, and in that the lower end edges of the orifices (11) form drip edges (18) for the liquid passing through the through-openings (13).
2. Connecting frame according to one of the preceding claims, characterized in that the orifices (11) comprise recesses or features for fixing a cover (15) arranged between the frame walls (8) in the connecting frame (5).
3. Connecting frame according to one of the preceding claims, characterized in that the orifices (11) comprise multiple features (16) projecting into the inner space (9) of the connecting frame (5), which in each case form an essentially horizontal support surface for a cover (15) arranged between the frame walls (8) of the connecting frame (15).
4. Connecting frame according to one of the preceding claims,
   characterized in that the connecting flanges (6) are, at least in sections, formed by laterally-chamfered end regions of the frame walls (8) of the connecting frame (5).
5. Connecting frame according to one of the preceding claims, characterized in that the through-openings (13), at least in sections, extend in a direction perpendicular to the connecting flanges (6).
6. Connecting frame according to one of the preceding claims, characterized in that a distance between two opposite frame walls (8) is smaller than a distance between assigned boundaries of the reservoir (2).
7. Floor drain with a reservoir (2) and with a connecting frame (5) according to one of claims 1 to 6.
8. Floor drain according to claim 9, characterized in that the floor drain (1) comprises a cover (15).

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