Tensioning device for suspended sanitary facilities
The clamping device for sanitary fixtures addresses the issues of visible fastening and complex installations by allowing tool-free, easy assembly and disassembly, while ensuring stable attachment and compatibility with various hole spacings, thus simplifying and cost-effectively securing sanitary fixtures to walls.
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- FLECHSENHAAR ROLAND
- Filing Date
- 2025-04-30
- Publication Date
- 2026-06-11
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Abstract
Description
[0001] The present invention relates to a clamping device for mounting a sanitary fixture on a wall
[0002] These sanitary fixtures are generally mounted on brackets that cantilever out from a supporting wall. This means they do not rest directly on the floor. This mounting method offers the advantages of easier cleaning, improved hygiene, and a more aesthetically pleasing design.
[0003] Disadvantages include the well-known and very unsightly external fastening methods, where the screws are visible, or the sometimes very complicated, expensive and elaborate fastenings inside the sanitary fixture.
[0004] The object of the present invention is to provide a simple device for attaching suspended sanitary fixtures that is not visible from the outside and avoids the disadvantages of existing solutions by enabling simple attachment of the sanitary fixtures to the wall.
[0005] German patent application DE 22 52 970 A describes a device for mounting washbasins. An anchor with an eyelet is attached to the wall. A wedge is then pressed against the washbasin using a screw, thus securing it to the wall. A disadvantage of this design is the unfavorable force distribution at the screw. This causes the screw to bend and tilt during tightening. Furthermore, after the washbasin has been slid over the anchor, the wedge and screw must be inserted into the washbasin before the screw is tightened. During this process, the washbasin must be additionally supported.
[0006] The following publications are also considered relevant state of the art. D1: DE 11 63 084 A D2: WO 2022 / 103 353 A1 D3: WO 2009 / 071 179 A1 D4: EP 4 464 850 A1 to name.
[0007] The printed document DE 11 63 084 A can only be used in an area accessible from the outside. Therefore, the system is not suitable for today's fully enclosed sanitary facilities. Furthermore, it is an extremely expensive and economically disproportionate installation.
[0008] The publication WO 2022 / 103 353 A1 shows an asymmetrical force distribution on the sanitary fitting under unfavorable force flow conditions. It is only suitable for a fixed hole spacing for the cover fixing, and aligning the sanitary fitting during installation is no longer possible. Furthermore, the installation is complex and the device is expensive.
[0009] Document WO 2009 / 071 179 A1 also shows an unfavorable force distribution and very limited alignment options when tightening the sanitary fixture to the wall. Screwing the sanitary fixture in place requires additional mounting holes on the side of the fixture. Mounting via the cover holes is not possible.
[0010] Publication EP 4 464 850 A1 also shows an unfavorable force flow and very limited alignment options when tightening the sanitary fitting to the wall. This device can only be used with special accessories for variable hole spacing. It is therefore very expensive.
[0011] The resulting task is now to simplify the assembly process and optimize the flow of force.
[0012] A mounting system is to be developed that allows the sanitary fixture to be installed from above using the mounting holes in the toilet seat. The system must be suitable for different, discreet spacings of the mounting holes. It should enable quick and easy installation and removal. Furthermore, the system must be sustainable and cost-effective by using fewer plastic and metal parts.
[0013] This problem is solved by the features described in claim 1.
[0014] Advantageous embodiments are found in the dependent claims.
[0015] According to the invention, the clamping device has a longitudinal direction perpendicular to the wall, a vertical direction and a transverse direction perpendicular to the longitudinal direction and vertical direction; an anchor for force transmission into the wall, an anchor counterpart for mounting on the anchor, with a sliding surface arranged distal to the anchor and angled towards the wall, a sled for sliding movement in the longitudinal direction on the anchor counterpart, with a sliding surface pointing obliquely away from the wall and a contact surface pointing towards the wall for support on the sanitary fitting, two opposing wedges for arrangement between the slide and the anchor counterpart, each with a first sliding surface inclined towards the wall, corresponding to the sliding surface of the slide, and each with a sliding surface inclined away from the wall, corresponding to the sliding surface of the anchor counterpart, a movement element for the vertical drive of the wedges and a counterpart to the movement element inserted into the second wedge, wherein when the first wedge moves towards the counterpart, the sliding surface of the slide slides on the first sliding surface of the wedge and the sliding surface of the anchor counterpart slides on the second sliding surface of the wedge, causing the sliding surface of the slide to move away from the sliding surface of the anchor counterpart in the longitudinal direction, causing the slide to move towards the wall and the contact surface of the slide to press the sanitary fitting against the wall.
[0016] In this case, an anchor, which is screwed firmly to a wall using a wall mounting device, forms a clamping head.
[0017] An anchor counterpart is slid onto this anchor. This anchor counterpart has one side facing the wall. This side can be designed with a clamping device to ensure a firm yet detachable connection with the anchor.
[0018] The anchor counterpart has a sliding surface positioned distal to the anchor and angled towards the wall. The anchor counterpart is inserted into a carriage via this sliding surface. The carriage has a sliding surface angled away from the wall and a contact surface facing the wall to support the sanitary fixture. A wedge is inserted into the V-shaped geometry of the sliding surfaces formed by the anchor counterpart and the carriage. This wedge has a first sliding surface angled towards the wall, corresponding to the sliding surface of the carriage, and a second sliding surface angled away from the wall, corresponding to the sliding surface of the anchor counterpart. A drive element inserted into corresponding openings and a corresponding counterpart move the wedge towards the counterpart. The opening is designed in the form of an elongated slot, allowing for different positions of the drive element.The sliding motion of the wedge on the V-shaped geometry of the sliding surfaces moves the sled towards the wall.
[0019] This solution offers significant advantages: - A fastening solution that is not visible from the outside. - Very easy and quick assembly and disassembly of the sanitary fixtures on the wall. - During installation, simple and precise positioning on the wall is possible before the clamping force is built up (the screw is tightened). - Mounting on the wall and dismounting can easily be done by one person without tools. The sanitary fixture can be mounted or attached to the wall through openings in the ceramic, preferably the two openings for attaching the cover. This clamping device is suitable for openings of different distances. - The clamping device provides the structural stability to withstand all physical requirements of sanitary equipment manufacturers.
[0020] Further features and advantages of the invention will largely result from the description of a preferred, but not exclusive, embodiment of the clamping device according to the invention, which is shown as an unrestricted example in the accompanying drawings. Fig. 1: Exploded view of the complete clamping device Fig. 2: Clamping device as a sectional drawing in position partially clamped with sanitary fittings Fig. 3: Clamping device as a sectional drawing in the open position Fig. 4: Clamping device used in the 3D model in the sanitary facility
[0021] A tensioning device for suspended sanitary fixtures includes: An anchor according to the invention (1) An anchor counterpart (3) for mounting on the anchor (1), - with a sliding surface (10) of the anchor counterpart (3) arranged distal to the anchor (1) and pointing obliquely towards the wall (18) A sled (2) for sliding movement in the longitudinal direction (X) - on the anchor counterpart (3), with a sliding surface (8) of the slide (2) pointing obliquely away from the wall (18) - A mounting surface (7) facing the wall (18) for support on the sanitary fixture (17) Two wedges (4) for arrangement between the slide (2) and the anchor counterpart (3), - with a first sliding surface (15) of the wedge (4) pointing obliquely towards the wall (18), corresponding to the sliding surface (8) of the slide (2) - with a second sliding surface (14) of the wedge (4) pointing obliquely away from the wall (18), corresponding to the sliding surface (10) of the anchor counterpart (3) - with a locking mechanism (13) and (16) of each wedge (4) so that when the collets (19) are pushed onto the armature (1) the armature counterpart (3) is fixed and locked to each other with the slide (2). - each with an elongated hole (12) for the insertion of the moving element (screw) (5) - with a fixing of the counterpart (6) in the second wedge (4), preferably a square nut (6)
[0022] A moving element (screw) (5) for the vertical drive of the wedge (4)
[0023] A counterpart (6) to the moving element (screw) (5)
[0024] Ideally, all parts of this clamping device are made of plastic or a metallic material.
[0025] The assembly of a suspended sanitary installation according to the invention using the described clamping device is carried out as follows: 1. The anchor (1) is screwed onto the wall fixing device, usually a threaded rod (20), which is fixed in the wall (18), until it stops. 2. The pre-assembled clamping devices ( Fig. 3), usually two pre-assembled clamping devices per sanitary fitting (17), each consisting of a slide (2), anchor counterpart (3), wedge (4), moving element (screw) (5) and counterpart (6), are inserted into the sanitary fitting (17) in the openings provided for this purpose. The clamping device is both precisely positioned and locked by means of a locking mechanism. 3. Now, the person mounting the sanitary fixture (17) to the wall (18) picks up the sanitary fixture (17), places the anchor counterparts (3) onto the two anchors (1) attached to the wall (18), and slides the sanitary fixture (17) axially in the longitudinal direction (X) towards the wall (18) until the clamping jaws (19) of the anchor counterparts (3) engage. The sanitary fixture (17) is thus fixed and aligned. 4. Now, preferably, the moving elements (screw) (5) can be inserted into the already mounted clamping device through the two openings (21) provided in the sanitary fitting (17). Fig. 2) can be tightened using an Allen key or similar tool. The clamping device is suitable for variable hole spacings of the openings for attaching the cover (21) to the sanitary fitting (17). 5. By tightening the moving elements (screw) (5), the wedges (4) are moved on the inclined surfaces. Specifically, the sliding surface (8) of the slide (2) slides on the first sliding surface (15) of the wedge (4) (corresponding to the slide), and the sliding surface (10) of the anchor counterpart (3) slides on the second sliding surface (14) of the wedge (4) (corresponding to the anchor counterpart). This movement moves the slide (2) towards the wall (18), thereby clamping the sanitary fitting (17) against the wall (18) via the contact surface (7) of the slide (2). Simultaneously, this movement causes the clamping jaws (19) to be enclosed by the slide (2) in a ring-like manner, preventing the clamping jaws (19) from disengaging from the anchor (1) and allowing a defined tensile force to be applied by the moving element (5). 6. It is of particular importance that this clamping device according to the invention ( Fig.2) can be used for all currently existing toilet seat hole spacings. 7. The tightening of the movement elements (5) is carried out with a defined torque. 8. The sanitary fitting (17) can be easily removed in reverse order. 9. After the sanitary fitting (17) has been detached from the wall (18), it can easily be reattached using this clamping device in the manner described above.
[0026] The clamping device according to the invention allows for convenient attachment of the sanitary fixture to the wall, while also enabling easy disassembly and reassembly.
[0027] The invention, as conceived in this way, can undergo numerous modifications and variations, all of which remain within the scope of the invention concept. Furthermore, all details can be replaced by other, technically equivalent elements.
[0028] In practice, the materials used, provided they are compatible with the specific purpose, as well as the dimensions and shapes, can be freely selected according to the requirements and the state of the art.
[0029] If reference numerals follow a claim to the aforementioned features and techniques, these reference numerals have been included solely for the purpose of improving the clarity of the claims and consequently have no limiting effect on the interpretation of any element exemplarily designated by such reference numerals. Reference symbol list 1 anchor 2 sleds 3 Anchor counterpart 4 wedge 5 Moving element (screw) 6 Counterpart, preferably square nut 7 Plant area 8 Sliding surface of the carriage 9 Locking the slide 10 Sliding surface of the anchor counterpart 11 Locking of the anchor counterpart 12 elongated holes 13 Locking the wedge with the anchor counterpart 14 Second sliding surface of the wedge (corresponds to anchor counterpart) 15 First sliding surface of the wedge (corresponds to slide) 16 Locking the wedge with slide 17 Sanitary facilities 18 Wall 19 Collet 20 threaded rods 21 Opening for lid attachment X Longitudinal direction Y Vertical direction Z transverse direction
Claims
[1] Clamping device for mounting a hanging sanitary fixture (17) on a wall (18), comprising a longitudinal direction (X) perpendicular to the wall (18), a vertical direction (Y) and a transverse direction (Z), perpendicular to the longitudinal direction (X) and vertical direction (Y), an anchor (1) for force transmission into the wall (18), an anchor counterpart (3) for mounting on the anchor (1), with a sliding surface (10) arranged distal to the anchor (1) and pointing obliquely towards the wall (18), a slide (2) for sliding movement in longitudinal direction (X) on the anchor counterpart (3), with a sliding surface (8) pointing obliquely away from the wall (18), and a contact surface (7) pointing towards the wall (18) for support on the sanitary fitting (17), two opposing wedges (4) for arrangement between the slide (2) and the anchor counterpart (3), each with a first sliding surface (15) pointing obliquely towards the wall (18), corresponding to the sliding surface (8) of the slide (2), and a sliding surface (14) pointing obliquely away from the wall (18), corresponding to the sliding surface (10) of the anchor counterpart (3), a movement element (5) for the vertical drive of the wedges (4) and a counterpart (6) inserted into the second wedge (4) to the movement element (5), wherein When the first wedge (4) moves towards the counterpart (6), the sliding surface (8) of the slide (2) slides on the first sliding surface (15) of the first wedge (4) and the sliding surface (10) of the anchor counterpart (3) slides on the second sliding surface (14) of the first wedge (4), causing the sliding surface (8) of the slide (2) to move away from the sliding surface (10) of the anchor counterpart (3) in the longitudinal direction (X), causing the slide (2) to move towards the wall (18) and the contact surface (7) of the slide to press the sanitary fitting (17) against the wall (18), and thus simultaneously clamping jaws (19) are enclosed in a ring shape by the slide (2) moving towards the wall (18), so that they can no longer detach from the anchor (1) and a defined clamping force can be applied by the movement element (5). [2] Clamping device according to claim 1, characterized by, that through the wedges (4) in the vertical direction (Y) a slot (12) in the transverse direction (Z) for receiving the movement element (5) runs. [3] Clamping device according to one of the preceding claims, characterized by , that the second wedge (4) is arranged in a mirror image in the vertical direction (Y) to the first wedge (4) and the slide (2) and also the anchor counterpart (3) have further sliding surfaces (8, 10) in a mirror image in the vertical direction (Y). [4] Clamping device according to claim 3, characterized by , that the counterpart (6) drives the second wedge (4). [5] Clamping device according to one of the preceding claims, characterized by , that along the sliding surfaces (8, 10, 14, 15) locking mechanisms (9, 11, 13, 16) extend, so that the anchor counterpart (3) cannot be moved out of the slide (2) without driving the moving element (5).