Dishwashing machine.

p0001The invention relates to a dishwasher with a rinsing container arranged in a housing and a base side in the device arranged tub.

p0002To protect against flooding in liquid-conducting household appliances such as dishwashers and washing machines, it is known, the bottom side in the device to arrange below the washing container leak Water Basin with a seated therein switching device that locks the liquid feed in occurrence of leakage water (DE-PS 30 14 427 ).

p0003To simplify the structure and assembly of made of plastic and metal components dishwasher is the proposal known (DE-OS 24 20 302) to mold into a made of foamed plastic base a Spülbehälterboden and on the interposition of a seal, a metal Spülbehälteroberteil and a door set. In the foamed with formed Spülbehälterboden plastic base also should be so integrated a water softener, a salt chamber, a drain pan, valves, pumps, strainers, lower rack rails. For this task, the DE-OS 24 20 302 issues no comprehensible solution. To connect the foamed plastic base with thereon tank and the appliance door a extending the scope of the washing labyrinth seal is provided. Since a machine constructed in this manner can not be transported and otherwise not functioning solution is specified, the known proposal has not been realized.

p0004The invention has the object of providing a simplified built to create installation-friendly and easily accessible for repairs or unit tests dishwasher.

p0005This problem is solved by the features characterized in Patent claim 1. Advantageous embodiments of the invention are characterized in the claims 2 to 20th

p0006In an advantageous embodiment, the mounting frame is molded from thermoplastic material and so on are integrally formed with the different indicated in the claims holders, photographs, catches, so that the assembly work for the attachment of equipment units much easier.

p0007So for example it is possible that during the assembly of the mounting frame, an electrical connector assembly is in a group formed by undercuts latching mount the mounting frame snapped from above. The individual cable bundles can be installed in preformed channels of the tank bottom. Subsequently, a group of tubes is also inserted from above into a tubular introduction of backmount backplane. A water leakage corrugated hose and possibly a flow tube can be fixed in preformed retaining ribs of the hose introduction to the tub rear wall form fit. Same time, a strain relief for hoses. The ends of freshwater, air and waste water hoses can be attached to the mounting frame in specially recorded by snap connections or the like.

p0008Further, a float switch in individual parts or assembled in holding elements, like a locked cage or in the mounting frame. Also serving to support and structure-borne noise rubber elements between the tank bottom and the pump motors can be arranged and used in special recordings of the tank bottom. A pump assembly consisting of sump with pump seal, circulation pump, drain pump and a heater is pre-assembled or inserted into individual components in the mounting frame. For the sump into the tank bottom, a centering is provided with the pump well is also locked in the correct arrangement. The recordings for the pump motors are designed so that they have side game and also form the rubber elements preferably used pads. After finishing the hose connections and plugging in a floor harness the pre-assembled in the mounting frame equipment assembly group is electrically and hydraulically prior to assembly with the Spülbehältereinheit testable on their function.

p0009In this pre-assembled and tested, the mounting frame associated equipment compartment group the rinse is placed as a single part or in turn assembled with a door group and connected by inserting a correspondingly shaped edge of Spülbehälterbodenöffnung in the pre-assembled on the sump pump well seal hydraulically connected to the pump assembly. The electrical connection is made by means of a group connector, which is coupled to the connector assembly of the mounting frame. The mechanical connection between the Spülbehältereinheit and the mounting frame is done firstly by bearing brackets of the mounting frame, a bearing shaft and bearing bracket of the washing and the other part in shooting the mounting frame form fit engaging supports the washing compartment, wherein the positive connection example can be secured with screws. In addition, the container assembly is held together by the housing side walls, their bottom edges are plugged into the mounting frame and are screwed to the washing container. By attaching between tank and mounting frame of the pump well is fixed and held in its vertical position. However, it is also possible to form the sump to a plastic mounting trough directly. The mounting frame at the same time forms an all-round base of the dishwasher.

p0010The invention is not limited to dishwashing machines, but also for washing machines and dryers applicable.

p0011An embodiment of the invention will be explained hereinafter with reference to the drawing. It shows:<ul><li>Fig. 1 shows a schematically represented dishwasher,</li><li>FIG. 2 is a mounting frame of an inventive dishwasher in perspective,</li><li>FIG. 3 is a equipped with devices aggregates mounting frame according to FIG. 2,</li><li>Fig. 4 is a plan view of a mounting frame with a hose insertion of a tube train, consisting of Leckwasser-, inlet, drain and pneumatic control hose and an electric wire,</li><li>Fig. 5 is a connection between the mounting frame and a housing side wall, partly in section, </li><li>Fig. 6 shows a strain-relief device to the mounting trays rear wall,</li><li>Fig. 7 is a plan view to Figure 6.</li></ul>

p0012The dishwasher 5 consists of a, a front mounted door 1 carrying washing container 2 and the washing and a housing bottom side supporting mounting frame 3, in the height-adjustable support legs 4 are applicable. From machine casing housing side walls 17 and a cover plate 18, respectively.

p0013According to the embodiment, which is preferably made of thermoplastic plastics material, box-shaped mounting frame 3 in the region of their rear wall 6 the bearing blocks 8 for receiving a tilting axis 7, of bearing pins or the like. For the articulation of the washing container via the Kipachse 7 against the tub assembly, the washing container 2 at its lower rear portion not shown bearing brackets, which are articulated about the axis 7 to the bearing blocks. 8 In front bottom portion not represented supports or the like are mounted on the washing, which are positively engage in receptacles 11 in the front wall 10 of the mounting frame 3 and in increasingly formed front When corner pieces and saved in the form of conclusion.

p0014Apart from the function of the support element for the washing tub housing unit and adjacent to the function as a unit base forms the mounting frame, with disposed therein machine assemblies and machine parts such as drain pump 22, circulation pump 23, sump 12, heater 46, valves, leak water safety device 20, 21, engine mounts 26, the float guide 27, strain relief 30, group plug-catch receiver 35, etc., a second unit of the dishwasher 5, which is particularly suitable for a simple, automatable and advantageous pre-assembly, for an independent visual and functional test, because the mounting tray already all recording required - having centering and fastening elements for to be placed in the bottom engine room components.

p0015As support and base element, the mounting frame 3 to about the height of the dishwasher door bottom edge 9 raised front 10, rear and side walls 6 to 14. In the front wall 10, a maintenance opening 13 is recessed which is closable by a sound-insulating insert.

p0016In the area of ​​top edges of the bucket side walls 14 receiving slots 15 are provided, into which during assembly of the housing Spülbehältereinheit with the assembled mounting frame, the lower edges 16 of the housing side walls 17 are used

p0017In the bottom 19 of the mounting frame, which also assumes the function of a leakage water sump, a water leak collecting chamber is formed, which is carried on support members 27 or in a cage float 20 and can be actuated by the float switch device, for example a micro-switch associated with 21 upon occurrence can leak water include water supply valve, turn the drain pump and / or trigger a signaling device.

p0018The bottom 19 of the mounting frame 3 also has a center mount 24 to be inserted into the mounting tray sump 12, the connecting piece for the drain 22 and the circulation pump 23 carries and in, for bodies put on the mounting tray washing container, the interposition of a sump seal a collar-like is the edge of Spülbehälterbodenöffnung used. Furthermore, 3 shots 25 of usable elastic engine mounts 26, rubber elements or the like of the drain 22 and recirculation pump 23 are provided in the base 19 of the mounting frame.

p0019For transportation or for the installation of the dishwasher, it is advantageous, when skids 28 are integrally formed on the tub bottom 19th

p0020In the embodiment, the dishwashing machine with a tube strand is connected, consisting of an outer corrugated tube, which has the function of a leakage water hose 41, one can be connected to the water mains inlet hose 42, a leading of the drain pump 22 to a drain channel drain hose 43 and a pneumatic or hydraulic control line 44 , for example by a not shown level sensor of the dishwasher results in a safety valve on the stationary water tap and optionally triggers the closing of this valve. Finally, the tubing string may also receive an electrical control line 45, for example, from the micro-switch 21 or by the control unit of the dishwasher leads to a solenoid valve on the stationary tap. For this tube strand a from the outside in a funnel-shaped extending slit-shaped and upwardly open tube introduction 29 is provided in the rear wall 6 of the mounting frame. 3 The hose insertion 29 has transversely extending to the introduction port retaining ribs that contribute engaged with the corrugated hose 41 for strain relief of the hose couplings. About the leak water hose attached in the area of ​​Wasserabsperrhahnes leaking water from the inlet hose 42 and out of the drain hose 43 may be directed into the mounting frame 3 or to the leakage water collecting chamber, so that the water leakage safety device responds.

p0021For the power cord 33 of the dishwasher a strain relief 30 is provided. For this purpose, the wells rear wall 6 has an undercut 31 into which a clip 32 can be inserted. By screws 34, the terminal 32 can be mounted on the rear wall. 6 In a catch recess 35 of the mounting frame 3 a connected to the cable 33 Group 36 connector is used, at the plug contacts 38 a deployable in guides of the mounting frame floor harness 37 is coupled.

p0022If it is tilted in the assembly, in a functional test or repair is required, the washing container 2 via the shaft 7 relative to the mounting frame 3, for example, is provided for prior assurance of the dishwasher in the rear wall 6 of the mounting frame a hole 39, in which the fitter for increased stability a screwdriver , pin or the like is used.

p0023Especially when running the dishwasher 5 floor standing front 48 can be provided on the mounting frame stirrup. In addition, the mounting frame is verkleidbar by a plinth 40th In the equipped with machine units mounting frame according to Figure 3 is provided with a bearing 47 for the to be arranged in the washing compartment 2 and lower spray arm 49 are shown in Figure 4 tube guides the pan bottom 19 indicates..