Device for actuating a flushing process of a toilet

Abstract

The invention relates to a device (1) for actuating a flushing process (2) of a toilet (3), having at least the following: - a housing (4) with a mounting space (5); - a pressure generator (10) which is at least partly located in the mounting space (5); and - at least one actuation button (14, 15) for actuating the pressure generator (10), wherein the at least one actuation button (14, 15) is connected to the pressure generator (10) via a ball joint (58).

Description

[0001] Device for flushing a toilet

[0002] The present invention relates to a device for flushing a toilet. Such toilets are used, in particular, to collect bodily excretions.

[0003] Toilets typically have a toilet bowl that can be cleaned by flushing after use. The flush may, for example, have a cistern for holding a flushing fluid, with the flow of the flushing fluid from the cistern into the toilet bowl being controllable via a drain valve. The drain valve can be actuated by a toilet user via at least one actuating button on the device.

[0004] The device is usually arranged in an inspection shaft of a wall and covered with a (particularly decorative) cover plate which comprises the at least one actuating button. By means of the at least one actuating button, a piston can be pressed into a cylinder of a pressure generator via an actuating mechanism. This generates compressed air with which the drain valve can be controlled. Tolerances in the bearings of the actuating mechanism and / or off-center pressing of the at least one actuating button can lead to an axial offset or an inclination of the piston, which can lead to a leak in the piston in the cylinder. Furthermore, the axial offset or the inclination of the piston can lead to increased friction of the piston in the cylinder, so that high actuating forces are required when actuating the at least one actuating button.

[0005] The object of the invention is therefore to at least partially solve the problems described with reference to the prior art and, in particular, to provide a device for actuating a toilet flush in which an axial offset or inclination of the piston of the pressure generator can be at least reduced. This object is achieved with a device according to the features of the independent patent claim. Further advantageous embodiments of the invention are specified in the dependent patent claims. It should be noted that the features individually listed in the patent claims can be combined with one another in any technologically expedient manner and define further embodiments of the invention. Furthermore, the features specified in the patent claims are specified and explained in more detail in the description, with further preferred embodiments of the invention being presented.

[0006] A device for actuating a flush of a toilet contributes to this, which device has at least the following:

[0007] - a housing with an assembly space;

[0008] - a pressure generator which is arranged at least partially in the assembly space; and

[0009] - at least one actuating button for actuating the pressure generator, wherein the at least one actuating button is connected to the pressure generator via a ball joint.

[0010] The toilet can, in particular, be designed in the manner of a (sit-up) toilet or a urinal. Furthermore, the toilet can have a toilet bowl that can be cleaned by flushing. Cleaning occurs, in particular, by means of a flushing liquid, the release of which into the toilet bowl can be activated by at least one actuating button of a device for actuating the flush of the toilet. The flush can have a cistern for holding the flushing liquid and / or a drain valve for controlling the release of the flushing liquid to the toilet bowl. The flush can be at least partially attached to a mounting frame of the toilet, by means of which the toilet can be attached to a wall of a building. Such mounting frames are known, for example, as pre-wall elements. These are attached to the wall of the building and then covered with a pre-wall. Wall cladding elements, for example in the style of tiles, can in turn be attached to the pre-wall.An inspection shaft or opening can be formed in the wall and / or the front wall. The device or a housing of the device can be arranged, in particular, at least partially in the inspection shaft or in the opening. The cistern of the flushing system can be arranged, in particular, behind the device in the wall or in a cavity between the wall and the front wall.

[0011] The housing of the device can be made at least partially of plastic and / or metal. For example, the housing can be a plastic injection-molded part. An assembly space is formed in the housing of the device. The assembly space can extend from an assembly space opening of the housing into the housing. When the device is assembled, the assembly space opening can be aligned, in particular, with the inspection shaft or with the opening in the wall and / or pre-wall. The assembly space opening can extend orthogonally to a longitudinal axis of the housing or of the assembly space. The longitudinal axis can be a central axis of the housing or of the assembly space. The longitudinal axis can extend through the assembly space at least partially centrally and / or concentrically to the assembly space. The longitudinal axis can extend through the assembly space at least partially centrally and / or concentrically to the assembly space.The housing may have side walls that at least partially delimit the mounting space.

[0012] At least one first guide and at least one second guide can be formed in the mounting space. The at least one first guide and / or the at least one second guide are in particular formed only within the mounting space. The at least one first guide and / or the at least one second guide can be at least partially formed or arranged in and / or on at least one side wall of the housing, which in particular delimits the mounting space. The at least one first guide and the at least one second guide can extend parallel to the longitudinal axis. The at least one first guide and the at least one second guide can extend parallel to one another. The at least one first guide and the at least one second guide can be spaced apart from one another (in particular orthogonal to the longitudinal axis). The space can be, for example, 50 mm [millimeters] to 150 mm, preferably 80 mm to 120 mm.The at least one first guide and / or the at least one second guide can have a guide length or an extension of, for example, 20 mm to 100 mm, preferably 60 mm to 80 mm (in particular parallel to the longitudinal axis). The at least one first guide and / or the at least one second guide can be a sliding guide and / or a linear guide. The at least one first guide and / or the at least one second guide enable, in particular, a straight movement.

[0013] The device has a pressure generator. The pressure generator is arranged at least partially or completely in the assembly space. Compressed air can be generated by the pressure generator. The pressure generator comprises, in particular, a cylinder in which a piston can be moved (in particular parallel to the longitudinal axis). The compressed air can be generated by moving the piston within the cylinder. The drain valve can be controlled using the compressed air generated by the pressure generator. The cylinder can have a compressed air outlet through which the compressed air can be supplied to the drain valve. The pressure generator can be connected to the drain valve via a compressed air line through which the compressed air can be supplied to the drain valve. The compressed air line can be connectable to the compressed air outlet.

[0014] The device can have an actuating body for the pressure generator. The actuating body can be arranged at least partially or completely within the mounting space of the housing. The actuating body can be connected, in particular directly, to the piston of the pressure generator and / or contact the piston. The actuating body can be made at least partially of plastic and / or metal. The actuating body can be a plastic injection-molded part. The piston can be actuated via the actuating body. For example, the piston can be moved in the cylinder via the actuating body. The actuating body can be arranged so as to be movable parallel to the longitudinal axis between a home position and a flushing position. In particular, the piston is adjustable during the movement of the actuating body and / or by the movement of the actuating body. In the home position of the actuating body, in particular, no compressed air is generated by the pressure generator.When the actuating body moves towards the flushing position and / or in the flushing position, the actuating body can move the piston into the cylinder so that the pressure generator generates compressed air.

[0015] The device has at least one actuating button for actuating the pressure generator. The at least one actuating button can be arranged in and / or on a cover plate. In particular, the assembly space opening of the assembly space can be covered by the cover plate. The cover plate can be fastened to the device or to the housing, for example via a snap connection. The cover plate can extend in particular orthogonally to the longitudinal axis. The at least one actuating button can be pressed into the device or into the housing by a user, in particular parallel to the longitudinal axis. Upon actuation or pressing of the at least one button, the piston can be adjusted into the cylinder of the pressure generator. The device can have a first actuating button and a second actuating button.For example, the first actuation button can be used to dispense a first amount of rinsing fluid through the drain valve, and / or the second actuation button can dispense a second amount of rinsing fluid. The first amount of rinsing fluid can be smaller than the second amount of rinsing fluid.

[0016] The at least one actuating button is connected to the pressure generator via a ball joint. The ball joint enables, in particular, multidirectional movement in several axes. The ball joint can be arranged directly between the at least one actuating button and the pressure generator or the piston. Alternatively, the pressure valve can be indirectly connected to the pressure generator via the ball joint. The ball joint can, for example, be arranged between further components of an actuating mechanism, via which an actuating force can be transmitted from the at least one actuating button to the piston of the pressure generator. The ball joint can be arranged between a component of the actuating mechanism and the pressure generator or the piston. The ball joint can be arranged between the actuating body and the pressure generator or the piston.The ball joint can be used to at least partially prevent the transmission of rotational force and / or torsional force to the pressure generator or to the piston of the pressure generator. This prevents the piston from tilting (in particular relative to the longitudinal axis), even if the bearings or guides of the actuating mechanism have play and / or the at least one actuating button is pressed off-center. Canting of the piston due to an unfavorable tolerance position or off-center actuation of the at least one actuating button can be compensated for by tilting a piston rod of the piston using the ball joint. When tilted, the piston centers itself automatically in the cylinder, particularly if it has an elastomer seal. Due to the greatest possible length of the piston rod orof the piston results from the axial offset of the at least one actuating button and the cylinder a relatively small angle of inclination, so that the tightness of the seal is not impaired.

[0017] The device can have a first button carrier for the first actuating button. The first button carrier can be arranged at least partially or completely in the mounting space of the housing. The first button carrier can be made at least partially of plastic and / or metal. The first button carrier can be a plastic injection-molded part. The first button carrier is movably mounted, in particular, in the at least one first guide. The first button carrier can be movable by the at least one first guide or in the at least one first guide parallel to the longitudinal axis between a first starting position and a first actuating position, in particular linearly or along a straight travel path. When the first button carrier moves from the first starting position to the first actuating position, the actuating body can be moved, in particular, from the basic position to the (first) flushing position by the first button carrier.When the first button carrier moves into the first actuating position, the first button carrier in particular contacts the actuating body, so that the actuating body is moved or pressed into the (first) flushing position. When the first button carrier moves from the first starting position to the first actuating position and / or when the actuating body moves from the home position to the (first) flushing position, a first quantity of compressed air can be generated by the pressure generator. The first button carrier can be reset to the first starting position by a first spring. The first spring can be a helical spring.

[0018] The first button carrier can have a first support surface for the first actuating button. The first support surface can extend (essentially) orthogonal to the longitudinal axis and / or parallel to the assembly space opening. The first actuating button can contact the first button carrier at the first support surface and / or be fastened to the first support surface, for example by means of a snap connection. The first button carrier can be moved by the first actuating button and / or via the first support surface from the first starting position into the first actuating position, in particular when the first actuating button is pressed by a user parallel to the longitudinal axis. The first button carrier can have a first cross member. The first button carrier can have a first receiving portion which extends from the first cross member, in particular parallel to the longitudinal axis, in the direction of the assembly space opening.The first receiving section can be formed, in particular precisely, between the first longitudinal ends of the first key carrier or the first cross member. The first support surface can be formed at a first projecting end of the first receiving section.

[0019] The device can have a second button carrier for the second actuation button. The second button carrier can be arranged at least partially or completely in the mounting space of the housing. The second button carrier can be made at least partially of plastic and / or metal. The second button carrier can be a plastic injection-molded part. The second button carrier is in particular movably fastened in the at least one second guide. The second button carrier can be movable by the at least one second guide or in the at least one second guide parallel to the longitudinal axis between a second starting position and a second actuation position, in particular linearly or along a straight travel path. When the second button carrier moves from the second starting position to the second actuation position, the actuation body can be moved by the second button carrier from the basic position to the (second) flushing position.When the second button carrier moves into the second actuating position, the second button carrier contacts in particular the actuating body, so that the actuating body is moved or pressed into the (second) flushing position. When the second button carrier moves from the second starting position to the second actuating position and / or when the actuating body moves from the basic position to the (second) flushing position, a second amount of compressed air can be generated by the pressure generator. The second amount of compressed air can be greater than the first amount of compressed air. This allows two different amounts of flushing fluid to be released through the drain valve, for example a small amount of flushing fluid and a large amount of flushing fluid. The second button carrier can be returned to the second starting position by a second spring. The second spring can be a coil spring.

[0020] The second button carrier can have a second support surface for the second actuating button. The second support surface can extend (essentially) orthogonal to the longitudinal axis and / or parallel to the assembly space opening. The second actuating button can contact the second button carrier at the second support surface and / or be fastened to the second support surface, for example by means of a snap connection. The second button carrier can be moved by the second actuating button and / or via the second support surface from the second initial position into the second actuating position, in particular when the second actuating button is pressed by the user parallel to the longitudinal axis. The second button carrier can have a second cross member. The second button carrier can have a second receiving portion which extends from the second cross member, in particular parallel to the longitudinal axis, in the direction of the assembly space opening.The second receiving section can be formed, in particular precisely, between second longitudinal ends of the second key carrier or the second cross member. The second support surface can be formed on a second projecting end of the second receiving section. At least one third guide for the actuating body can be formed in the mounting space. The at least one third guide is in particular formed only within the mounting space. The at least one third guide can be formed or arranged at least partially in and / or on the at least one side wall of the housing, which in particular delimits the mounting space. The at least one third guide extends in particular parallel to the longitudinal axis. The at least one third guide can extend at least partially parallel to the at least one first guide and / or the at least one second guide.The at least one third guide can be arranged or formed between the at least one first guide and the at least one second guide. The at least one third guide can have a guide length or an extension of, for example, 20 mm to 100 mm, preferably 60 mm to 80 mm (in particular parallel to the longitudinal axis). The at least one third guide can be a sliding guide and / or a linear guide. The at least one third guide enables, in particular, a straight movement of the actuating body.

[0021] The actuating body is, in particular, movably mounted in the at least one third guide. The actuating body is movable by the at least one third guide or in the at least one third guide parallel to the longitudinal axis between the home position and the flushing position, in particular linearly or along a straight travel path. The actuating body can have a third cross member. The actuating body can be reset to the home position by a third spring. The third spring can be a helical spring.

[0022] The actuating body or the third cross member of the actuating body can have a first pin for the first button carrier and / or a second pin for the second button carrier. The first pin and / or the second pin can extend from the actuating body or the third cross member parallel to the longitudinal axis in the direction of the assembly space opening. A first receptacle can be formed in the first receptacle section of the first cross member of the first button carrier, with which receptacle the first button carrier can be plugged onto the first pin of the actuating body. The first receptacle can be designed in the manner of a bore and / or extend parallel to the longitudinal axis. The first spring can be arranged in the first receptacle and can in particular surround the first pin. The first spring can press the first button carrier into the first starting position.A second receptacle can be formed in the second receiving section of the second cross member of the second key carrier, with which the second key carrier can be plugged onto the second pin of the actuating body. The second receptacle can be designed in the manner of a bore and extend parallel to the longitudinal axis. The second spring can be arranged in the second receptacle and can, in particular, surround the second pin. The second spring can press the second key carrier into the second starting position.

[0023] The first key carrier can have at least one first guide section guided in the at least one first guide, the second key carrier can have at least one second guide section guided in the at least one second guide and / or the actuating body can have at least one third guide section guided in the at least one third guide. The first key carrier can have two first guide sections formed at first longitudinal ends of the first cross member, the second key carrier can have two second guide sections formed at second longitudinal ends of the second cross member and / or the actuating body can have two third guide sections formed at third longitudinal ends of the third cross member.The at least one first guide section, the at least one second guide section, and / or the at least one third guide section can extend parallel to the longitudinal axis and / or be designed as a sliding block. The mounting opening of the mounting space can be covered with the cover plate, which can comprise the first actuating button and the second actuating button. The button carrier and the actuating body can form the actuating mechanism in the device. The cover plate can be exchangeable without the button carrier and / or without the actuating body, for example, to enable the use of cover plates with a different visual design.

[0024] Two first guides for the first key carrier and / or two second guides for the second key carrier can be formed in the assembly space. Two third guides for the actuating body can be formed in the assembly space. The first guides can be arranged opposite one another, in particular with mirror symmetry. The second guides can be arranged opposite one another, in particular with mirror symmetry. The third guides can be arranged opposite one another, in particular with mirror symmetry. The first guides can be spaced a first distance apart, the second guides can be spaced a second distance apart and / or the third guides can be spaced a third distance apart. The first distance, the second distance and / or the third distance can be, for example, 50 mm to 150 mm, preferably 80 mm to 120 mm. The first, second and / or third guides can be of the same design.The first guides may be of the same design, the second guides may be of the same design and / or the third guides may be of the same design.

[0025] The at least one first guide and / or the at least one second guide can be designed as a groove. The at least one third guide can be designed as a groove. The groove can have (in particular orthogonal to the longitudinal axis) a groove depth of 1 mm to 20 mm, for example, and / or (in particular orthogonal to the groove depth) a groove width of 1 mm to 20 mm, for example.

[0026] The ball joint may have a ball head. The ball head may be formed on the pressure generator.

[0027] The ball head can be formed on a piston of the pressure generator. In particular, the ball head can be formed on a first longitudinal piston end of the piston. The first longitudinal piston end of the piston can extend into a pin receptacle of a pin of the actuating body. This can mean, in particular, that the pin of the actuating body is at least partially hollow. The pin receptacle can be designed in the manner of a bore.

[0028] The ball joint can have a socket. The ball head can be movable or rotatable within and / or on the socket. The ball head can slide within and / or on the socket.

[0029] The joint socket can be formed on an actuating body for the pressure generator.

[0030] The joint socket can be formed in a pin of the actuating body. In particular, the joint socket can be formed in the pin receptacle of the pin and / or at a longitudinal end of the pin receptacle.

[0031] A key carrier for the at least one actuation key can be arranged on the pin. In particular, the second key carrier for the second actuation key can be arranged on the (second) pin.

[0032] The pin can be arranged in a receiving section of the key carrier. In particular, the pin can be arranged in the second receiving section of the second key carrier. The receiving section can have a support surface for the at least one actuating button. In particular, the second receiving section can have a second support surface for the second actuating button.

[0033] The invention and the technical environment are explained in more detail below with reference to the figures. It should be noted that the figures show a particularly preferred embodiment of the invention, but are not limited thereto. Identical components in the figures are provided with the same reference numerals. They show, by way of example and schematically:

[0034] Fig. 1: a toilet with a device for activating a flush in a perspective view;

[0035] Fig. 2: a mounting frame of the toilet in a perspective view;

[0036] Fig. 3: the device in a perspective view;

[0037] Fig. 4: the device in a longitudinal section;

[0038] Fig. 5: the device with a cover plate in a perspective view;

[0039] Fig. 6: a detailed view of the device in the area of ​​a pressure generator in longitudinal section.

[0040] Fig. 1 shows a toilet 3 in a perspective view. The toilet 3 comprises a toilet bowl 26, which is attached to a wall 28 of a building by means of a mounting frame 27 shown in Fig. 2. The mounting frame 27 shown in Fig. 2 is concealed in Fig. 1 by a front wall 29 and wall cladding elements 30, which are designed as tiles here. The mounting frame 27 is thus arranged in a cavity 31 between the wall 28 and the front wall 29. The front wall 29 has an opening, not visible here, which connects the cavity 31 to an environment 32. The opening is covered by a cover plate 33 of a device 1 for actuating a flush 2 of the toilet 3, shown in Fig. 2. The cover plate 33 comprises a first actuation button 14 and a second actuation button 15.

[0041] Fig. 2 shows the mounting frame 27 of the toilet 3 shown in Fig. 1 without the pre-wall 29 and the wall cladding elements 30. The flush 2 of the toilet 3 is attached to the mounting frame 27 and comprises a cistern 36 for a flushing liquid. A drain valve (not visible here) is arranged in the cistern 36, with which the outflow of the flushing liquid from the cistern 36 to the toilet bowl 26 shown in Fig. 1 can be controlled. The drain valve can be actuated by a user (not shown here) via the first actuation button 14 and the second actuation button 15 on the cover plate 33 of the device 1. By actuating or pressing the first actuation button 14, the toilet bowl 26 shown in Fig. 1 can be flushed with a small amount of flushing liquid. By actuating or pressing the second actuating button 15, the toilet bowl 26 shown in Fig. 1 can be flushed with a large quantity of flushing liquid.

[0042] Fig. 3 shows the device 1 for actuating the flush 2 shown in Fig. 2 of the toilet 3 shown in Fig. 1 in a perspective view without the cover plate 33 shown in Figs. 1 and 2. The device 1 comprises a housing 4 which can be fastened to the front wall 29 shown in Fig. 1. A mounting space 5 is formed in the housing 4 and extends from a mounting space opening 37 of the housing 4 into the housing 4. When the device 1 is in the assembled state, the mounting space opening 37 is aligned with the opening of the front wall 29 shown in Fig. 1. The mounting space opening 37 extends orthogonal to a longitudinal axis 9 of the housing 4 or of the mounting space 5. The mounting space 5 is delimited by side walls 38. Formed in the side walls 38 are two first guides 6.1, 6.2, two second guides 7.1, 7.2, and two third guides 8.1, 8.2, each designed as a groove and extending parallel to the longitudinal axis 9. The first guides 6.1, 6.2, the second guides 7.1, 7.2, and the third guides 8.1, 8.2 are each formed on opposite side walls 38. The first guides 6.1, 6.2, the second guides 7.1, 7.2, and the third guides 8.1, 8.2 are each mirror-symmetrical to one another.

[0043] The device 1 comprises a pressure generator 10 (see Fig. 4), which is arranged in the assembly space 5 and connected to an actuating body 11 of the device 1. Compressed air can be generated by the pressure generator 10, which can be used to control the drain valve of the flushing system 2 shown in Fig. 2. The pressure generator 10 can be connected to the drain valve via a compressed air line (not shown here). The compressed air can be supplied to the drain valve via the compressed air line.

[0044] The device 1 comprises a first button carrier 12 for the first actuating button 14 shown in Fig. 1, 2 and 5. The first button carrier 12 has a first cross member 39 which extends orthogonally to the longitudinal axis 9 completely through the mounting space 5. First guide sections 60.1, 60.2 of the first button carrier 12 are formed at first longitudinal ends 42.1, 42.2 of the first cross member 39. The first guide sections 60.1, 60.2 are designed as sliding shoes, extend parallel to the longitudinal axis 9 and are guided in the first guides 6.1, 6.2 so as to be movable parallel to the longitudinal axis 9. The first button carrier 12 has a first receiving section 45 which extends from the first cross member 39, in particular parallel to the longitudinal axis 9, in the direction of the mounting space opening 37. The first receiving section 45 is formed, in particular exactly, between the first guide sections 60.1, 60.2.The first receiving section 45 has, at a first projecting end 47, a first support surface 49 for the first actuating button 14 shown in Figs. 1, 2 and 5. The first support surface 49 extends (essentially) orthogonal to the longitudinal axis 9 and / or parallel to the mounting space opening 37. When the mounting space opening 37 is covered by the cover plate 33 shown in Figs. 1, 2 and 5, the first actuating button 14 is connected to the first button carrier 12 via the first support surface 49. The first button carrier 12 is located in a first starting position 16 in Fig. 3. The device 1 comprises a second button carrier 13 for the second actuating button 15 shown in Figs. 1, 2, 5 and 6. The second button carrier 13 has a second cross member 40 which extends orthogonal to the longitudinal axis 9 completely through the mounting space 5. At second longitudinal ends 43.1, 43.2 of the second cross member 40 there are second guide sections 61.1, 61.2 of the second button carrier 13. The second guide sections 61.1, 61.2 are designed as sliding shoes, extend parallel to the longitudinal axis 9 and are movably guided in the second guides 7.1, 7.2 parallel to the longitudinal axis 9. The second button carrier 13 has a second receiving section 46 which extends from the second cross member 40, in particular parallel to the longitudinal axis 9, in the direction of the assembly space opening 37. The second receiving section 46 is formed, in particular exactly, between the second guide sections 61.1, 61.2. The second receiving section 46 has, at a second projecting end 48, a second support surface 50 for the second actuating button 15 shown in Figs. 1, 2, 5 and 6. The second support surface 50 extends (essentially) orthogonal to the longitudinal axis 9, parallel to the first support surface 49 and / or parallel to the mounting space opening 37. If the mounting space opening 37 is formed by the elements shown in Fig.1, 2, and 5, the second actuating button 15 is connected to the second button carrier 13 via the second support surface 50. The second button carrier 13 is located in a second starting position 17 in Fig. 3.

[0045] The actuating body 11 has a third cross member 41, which extends orthogonally to the longitudinal axis 9 completely through the assembly space 5. Third guide sections 62.1, 62.2 of the actuating body 11 are formed at the third longitudinal ends 44.1, 44.2 of the third cross member 41. The third guide sections 62.1, 62.2 are designed as sliding shoes, extend parallel to the longitudinal axis 9, and are guided in the third guides 8.1, 8.2 so as to be movable parallel to the longitudinal axis 9. The actuating body 11 is in a basic position in Fig. 3.

[0046] 55. Fig. 4 shows the device 1 in a longitudinal section. The third cross member 41 of the actuating body 11 comprises a first pin 34 for the first key carrier 12 and a second pin 35 for the second key carrier 13. The pins 34, 35 extend from the third cross member 41 parallel to the longitudinal axis 9 in the direction of the assembly space opening 37. In the first receiving section 45 of the first cross member 39 of the first key carrier 12, a first receptacle 51 is formed, with which the first key carrier 12 is plugged onto the first pin 34 of the actuating body 11. The first receptacle 51 is designed in the manner of a bore and extends parallel to the longitudinal axis 9. A first spring 53 is arranged in the first receptacle 51 and surrounds the first pin 34. The first spring 53 presses the first key carrier 12 into the first starting position 16.A second receptacle 52 is formed in the second receiving section 46 of the second cross member 40 of the second key carrier 13, with which the second key carrier 13 is plugged onto the second pin 35 of the actuating body 11. The second receptacle 52 is designed in the manner of a bore and extends parallel to the longitudinal axis 9. A second spring 54 is arranged in the second receptacle 52 and surrounds the second pin 35. The second spring 54 presses the second key carrier 13 into the second starting position 17. The actuating body 11 is in the home position 55 in Fig. 4.

[0047] The pressure generator 10 comprises a cylinder 22 and a piston 23. The cylinder 22 and the piston 23 extend parallel to the longitudinal axis 9. The piston 23 is movable and / or guided in the cylinder 22 parallel to the longitudinal axis 9. The piston 23 extends with a first longitudinal piston end 20 into the second pin 35 of the actuating body 11. The second pin 35 has a pin receptacle 19 for the piston 23, which extends into the second pin 35 and / or through the pin 35. The pressure generator 10 is connected to the actuating body 11 via a ball joint 58. The ball joint 58 has a ball head 59 and a joint socket 25. The ball head 59 is formed on the first longitudinal piston end 20 of the piston 23. The joint socket 25 is formed in the pin receptacle 19 of the second pin 35. The ball head 59 is arranged in the joint socket 25.The button carriers 12, 13 are in the starting positions 16, 17 and the actuating body 11 is in the basic position 55 when none of the actuating buttons 14, 15 shown in Fig. 1, 2, 5 and 6 is actuated or pressed (parallel to the longitudinal axis 9) by the user. By actuating or pressing the first actuating button 14 shown in Fig. 1, 2 and 5, the first button carrier 12 can be adjusted from the first starting position 16 parallel to the longitudinal axis 9 in the direction of the actuating body 11 into a first actuating position not shown here. In this case, the first button carrier 12 presses the actuating body 11 from the basic position 55 into a (first) flushing position not shown here. The actuating body 11 presses the piston 23 of the pressure generator 10 into the cylinder 22, so that (a first amount of) compressed air can be supplied via a compressed air outlet 56 of the pressure generator 10 to the drain valve (not shown here) of the flushing 2 shown in Fig. 2.The ball joint 58 prevents an inclined position of the piston 23 relative to the longitudinal axis 9 and / or relative to the cylinder 22, for example if the first actuating button 14 shown in Fig. 1, 2 and 5 is pressed off-center, the first button carrier 12 is not guided exactly parallel to the longitudinal axis 9 in the first guides 6.1, 6.2 and / or the actuating body 11 is not guided exactly parallel to the longitudinal axis 9 in the third guides 8.1, 8.2 (cf. Fig. 3). When the actuating body 11 is moved into the (first) flushing position by the first button carrier 12, the second spring 54 holds the second button carrier 13 in the second starting position 17. If the first actuating button 14 is no longer actuated or pressed, the actuating body 11 can be reset to the basic position 55 by a third spring 57 and the first button carrier 12 can be reset to the first starting position 16 by the third spring 57.The third spring 57 surrounds the pressure generator 10 and is arranged between the housing 4 and the actuating body 11 or the third cross member 41.

[0048] By actuating or pressing the second actuating button 15 shown in Fig. 1, 2, 5 and 6, the second button carrier 13 can be adjusted from the second starting position 17 parallel to the longitudinal axis 9 in the direction of the actuating body 11 into a second actuating position not shown here. The second button carrier 13 presses the actuating body 11 from the basic position 55 into a (second) flushing position not shown here. The actuating body 11 presses the piston 23 of the pressure generator 10 into the cylinder 22 so that (a second amount of) compressed air can be supplied via the compressed air outlet 56 of the pressure generator 10 to the drain valve (not shown here) of the flushing 2 shown in Fig. 2. The ball joint 58 prevents the piston 23 from becoming inclined relative to the longitudinal axis 9 and / or relative to the cylinder 22, for example when the position shown in Fig.1, 2, 5 and 6 is pressed off-center, the second button carrier 13 is not guided exactly parallel to the longitudinal axis 9 in the second guides 7.1, 7.2 and / or the actuating body 11 is not guided exactly parallel to the longitudinal axis 9 in the third guides 8.1, 8.2 (cf. Fig. 3). When the actuating body 11 is adjusted to the (second) flushing position by the second button carrier 13, the first spring 53 holds the first button carrier 12 in the first starting position 16. If the second actuating button 15 is no longer actuated or no longer pressed, the actuating body 11 can be reset to the basic position 55 by the third spring 57 and the second button carrier 13 can be reset to the second starting position 17 by the third spring 57. The springs 53, 54, 57 are coil springs.

[0049] Fig. 5 shows the device 1 with the cover plate 33. The cover plate 33 is attached to the housing 4, for example by means of a snap connection, so that the cover plate 33 covers the mounting space opening 37. The actuating buttons 14, 15 can be pressed by the user into the mounting space 5 parallel to the longitudinal axis 9.

[0050] Fig. 6 shows a detailed view of the device 1 in the area of ​​the pressure generator 10. The piston 23 has a circumferential seal 24 at a second longitudinal piston end 21. The seal 24 seals the cylinder 22 from the assembly chamber 5. The second longitudinal piston end 21 of the piston 23 is adapted to a contour of a cylinder base 18 of the cylinder 22 in order to reduce a dead volume in an actuated state of the pressure generator 10.

[0051] The present invention prevents an axial offset or inclination of the piston 23 relative to the longitudinal axis 9. List of reference symbols

[0052] 1 device

[0053] 2 Flush

[0054] 3 toilets

[0055] 4 housings

[0056] 5 Assembly room

[0057] 6.1, 6.2 first tour

[0058] 7.1, 7.2 second lead

[0059] 8.1, 8.2 third lead

[0060] 9 Longitudinal axis

[0061] 10 pressure generators

[0062] 11 Actuating body

[0063] 12 first key carrier

[0064] 13 second key carrier

[0065] 14 first actuation button

[0066] 15 second actuation button

[0067] 16 first starting position

[0068] 17 second starting position

[0069] 18 Cylinder base

[0070] 19 tenon holder

[0071] 20 first longitudinal piston end

[0072] 21 second longitudinal piston end

[0073] 22 cylinders

[0074] 23 pistons

[0075] 24 Seal

[0076] 25 acetabulum

[0077] 26 toilet bowls

[0078] 27 Mounting frame 28 Wall

[0079] 29 Pretext

[0080] 30 wall cladding elements

[0081] 31 cavity

[0082] 32 Surroundings

[0083] 33 Cover plate

[0084] 34 first cone

[0085] 35 second pin

[0086] 36 cistern

[0087] 37 Assembly room opening

[0088] 38 side wall

[0089] 39 first traverse

[0090] 40 second traverse

[0091] 41 third traverse

[0092] 42.1, 42.2 first longitudinal end

[0093] 43.1, 43.2 second longitudinal end

[0094] 44.1, 44.2 third longitudinal end

[0095] 45 first recording section

[0096] 46 second recording section

[0097] 47 first cantilevered end

[0098] 48 second cantilevered end

[0099] 49 first support surface

[0100] 50 second support surface

[0101] 51 first recording

[0102] 52 second recording

[0103] 53 first spring

[0104] 54 second spring

[0105] 55 Basic position 56 Compressed air outlet

[0106] 57 third spring

[0107] 58 ball joint

[0108] 59 Ball head 60.1, 60.2 first guide section

[0109] 61.1, 61.2 second guide section

[0110] 62.1, 62.2 third guide section

Claims

Patent claims 1. Device (1) for actuating a flush (2) of a toilet (3), at least comprising: - a housing (4) with a mounting space (5); - a pressure generator (10) which is arranged at least partially in the assembly space (5); and - at least one actuating button (14, 15) for actuating the pressure generator (10), wherein the at least one actuating button (14, 15) is connected to the pressure generator (10) via a ball joint (58).

2. Device (1) according to claim 1, wherein the ball joint (58) has a ball head (59).

3. Device (1) according to claim 2, wherein the ball head (59) is formed on the pressure generator (10).

4. Device (1) according to claim 2 or 3, wherein the ball head (59) is formed on a piston (23) of the pressure generator (10).

5. Device (1) according to one of the preceding claims, wherein the ball joint (58) has a joint socket (25).

6. Device (1) according to claim 5, wherein the joint socket (25) is formed on an actuating body (11) for the pressure generator (10).

7. Device (1) according to claim 6, wherein the joint socket (25) is formed in a pin (34, 35) of the actuating body (11).

8. Device (1) according to claim 7, wherein a key carrier (12, 13) for the at least one actuating key (14, 15) is arranged on the pin (34, 35).

9. Device (1) according to claim 7 or 8, wherein the pin (34, 35) is arranged in a receiving section (45, 46) of the key carrier (12, 13).

10. Device (1) according to claim 9, wherein the receiving portion (45, 46) has a support surface (49, 50) for the at least one actuating button (14, 15).

Images