DE8114045U1 - WATER INGREDIENT AND DESCALING ASSEMBLY FOR DISHWASHING MACHINES - Google Patents

Description

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Water filling and decalcifying assembly for dish washing machines.

The object of the innovation is a water filling and liming assembly for dishwasher machines of the type in which the filling operation is carried out in such a way that the water is passed through an ion exchange resin for descaling and that during this filling 1 process there is an appropriate amount in a container Accumulates water, which at the end of the wash cycle is directed to a salt container and from there to the ion exchange resins, to regenerate them.

Similar assemblies have a salt container, a container for ion exchange resins, a collecting container, the also serves as a safety device against backflow to the water pipe, various solenoid valves and connectors for connection to the water pipe, and several connections between these parts are in the form of hoses provided, which are fastened to the connections of the components by means of clamps. With this design are different Disadvantages associated. The hoses take up a considerable amount of space and impede access to the Parts for inspection and maintenance. In similar cases it is easy to accidentally damage the hoses which leads to the occurrence of losses. The material of the hoses itself is subject to aging and after a certain time there may be holes or

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Form cracks. Making the connections between each end of each hose and the corresponding connection of a component require the insertion of the Hose, attaching a bracket and tightening the same, overall work that requires considerable tenting and cost. Similar Tent losses and costs arise when it becomes necessary disconnect the hoses to check or replace a component in the group.

The innovation is based on the task of developing a water filling and decalcifying assembly while maintaining the functions and advantages of the known

Filling groups of the type mentioned, but without hoses and with systematic avoidance of all the disadvantages mentioned and generally those disadvantages caused by the Use of hoses. The water filling and decalcifying assembly according to the invention includes Containers for the salt and for the ion exchange resins, preferably united to form a subgroup and provided with means for their direct association with the Basin of the dishwasher, a collecting and security container, which with means to its connection is provided with the basin itself, and a special collector, which is provided with means for on the containers for the salt and for the resins to be able to be flanged directly, connection means which are coupled directly to the connection means of the collecting and safety container connection means to connect the group with the water pipe and solenoid valves to regulate the Way of working.

Thanks to this design, the group can be connected directly to the sink of the dishwasher using a direct connection

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Your components are grown without the installation of hoses is necessary and with rationally organized Work measures that can be carried out in short periods of time and with great safety. The same benefits are found in both mining as well received when reinstalling. The lack of hoses ensures a very advantageous accessibility of the Share and eliminate loss.

The collector of the group is preferably arranged so that the connection points for connection to the water pipe are directed forward, whereby the connection to the water supply network is made possible without doing so Execution difficulties arise after the machine has been installed in its correct place, if it is to be included in a kitchen furniture group.

In the following, the innovation is based on a preferred embodiment in conjunction with the accompanying drawings described in more detail, namely show:

Fig. 1 on a small scale and in an exploded view Representation of the components of the assembly in their mutual relationships and with reference on the basin of a dishwasher, shown partially transparent;

Fig. 2 on a larger scale the essential parts for understanding the innovation of the filling and Descaling assembly of Fig. 1.

With 1 is the profile of a basin of a dishwasher referred to, which is shown transparently to allow the view of the parts belonging to this.

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The basin has, as usual, a large one in its bottom opening 2 for storing the roll and an opening 3 for the mouth of the salt container and in a side wall an opening 4 for a socket of the collecting and Containment. Furthermore, according to the innovation, the pelvis

I also in its bottom with an opening 5 for the direct connection of the ion exchange resin container provided instead of the usual connection by a connecting hose with this container.

The water filling and decalcifying assembly has an ion exchange resin container 6 for decalcifying the water, a salt container 7 for regenerating the resins, a container 8 for collecting a certain amount of water for Regeneration of the resins and to prevent backflows to the water pipe, as well as a collector 9, which is through a The entirety of lines, connections and solenoid valves is formed, which components are determined, as mentioned, for their direct mutual connection without the use of hoses.

The two containers for the ion exchange resins and the regeneration resin 6, 7 are advantageous to a sub-assembly united, the means for their connection to the basin 1 and to the collector 9 has. The container 7 for the salt, as usual, has a filler neck 10 which can be inserted into the opening 3 of the basin 1 and for fastening in this by means of a union nut

II is determined. A lid 12, optionally with a consumption indicator is provided, is used to close the salt filler neck 10. The container 6 for The ion exchange resin has, instead of an outlet connection for a hose, as usual, an upper one Threaded connection 13 which is inserted (with the interposition of a seal) into the opening 5 in the bottom of the basin 1 can be and in which he can with the help of a cap

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through which the water can pass, can be attached. The subset from bins 6 and 7 also has a connection 15, which is connected to the container 7 for the salt, and a connection 16, which is connected to the container 6 for the ion exchange resins, which connections are provided so that they are connected to complementary connections of the collector 9 with the interposition of seals can, as well as approaches 17 with threaded holes for the mechanical attachment of the collector 9 to the sub-assembly 6, 7. Inside this is also, as usual, a connection for the passage of the salt water from the Container 7 is provided to container 6 during the regeneration process of the ion exchange resins.

The collecting and safety container 8, the design of which is known per se, is provided with internal channels, furthermore with at least one collecting space for the amount of water required to regenerate the heat exchange resins is, and a safety device against backflows in the form of an air brake, which container, as usual, a Has socket 18, which is intended to penetrate into the side opening 4 of the basin 1 in order to allow the to return excess water that was fed to the ion exchanger. The lower part of the container 8, which is shown in section, is formed by channels with a group of four ports 19, 20, 21 and 22 ends. In the known forms, these connections are for receiving the fastening by means of hose holders formed, while according to the innovation, the connections 19 are formed by sockets with sealing rings, the can be used directly in complementary connections of the collector 9. The rest of the training of the Container 8 is of a known type, so that

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a more detailed description is not required here.

The collector 9 has a connection 32 which is directed forward and is intended for connection to a water line connection, a connection 33, which is direct can be coupled to the connection 22 of the container 8, a holder 34 for a solenoid valve 35, which is used for regulation the passage between the mentioned connections 32 and 33 is used, a connection 27 for connection, below Interposition of a seal, with the connection 15 of the salt container 7, a connection 28, which is directly connected to the connection 20 of the container 8 can be coupled, a holder 29 for a solenoid valve (not shown, to allow the parts behind it to be seen) which serves to facilitate the passage between the connections and to regulate 28, a connection 30 for connection with the interposition of a seal with the connection 16 of the Container 6 for ion exchange resins, a connection 31 which is coupled directly to the connection 21 of the container 8 can be, the terminals 30 and 31 are in direct communication, a terminal 23 which is directed forward and is intended for connection to a hot water connection (if this possibility of supply the dishwasher is provided), a connection 24 which is coupled directly to the connection 19 of the container 8 can be, a holder for a solenoid valve 26, which is used to allow passage between the aforementioned connections 23 and 24 to regulate, and attachment tubes or bores, as shown at 36, for the direct attachment of the header by means of screws on the sub-assembly 6, 7 to enable the container for the salt and for the ion exchange resins. All described parts of the collector 9 form a single fixed group. Of these, the parts 23 to 26 are absent in cases in which there is no provision

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that the dishwasher is fed with warm water must be able to be or mixed with warm water and cold water, but only with cold water, which is intended is then to be heated by the internal resistances of the dishwasher.

The assembly of the group according to the innovation with the dishwasher takes place in a simple manner in that the collector 9 is firmly connected to the subgroup 6, 7 is and the entirety of the components 6, 7, 9 with the bottom of the basin 1 for connecting the container 8 and of the collector 9 to one another for the mutual coupling of the connections 19, 24; 20, 28; 21, 31 and 22, 33, on which the container 8 is attached to the side of the machine and the nozzle 18 is fixedly connected to the side of the basin 1 will. All of this does not require the use of a hose and leaves the water line connection 32 and, if present, the connection 23 for the warm water facing forward for a convenient connection with the Water supply network even after the dishwasher has been installed in a kitchen furniture arrangement or in a similar system with restricted access.

The operation of the assembly remains essentially the same as in the known assemblies and runs as follows:

The moment water is poured into the machine, the solenoid valve 35 diverts water Connection 32 to connection 22 of the container 8, from where this, after overcoming an air brake, fills the container and then from port 21 to ion exchange resin container 6 flows and, decalcified, directly reaches basin 1. If necessary, warm water is added to this cold filling water, that from connection 23 via solenoid valve 25,

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the connection 19 and a suitable air brake of the container 8 originates. At the end of the washing cycle, the solenoid valve attached to the bracket 29 allows the water that has accumulated in the container 8 to flow into the salt container 7 and, saturated with salt, into the ion exchange resin container 6 for re- U

generation and finally to the return to the basin 1 |

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Claims (4)

- 1 claims 1.Laser filling and decalcifying assembly for dishwashers of the type in which the filling process is carried out in such a way that the water is passed through an ion exchange resin for decalcifying, and during this filling process an appropriate amount of water collects in a container, which at the end of the Lüasch cycle is passed to a salt container and from this to the ion exchange resins in order to regenerate them, characterized by a container (7) for the salt and a container (6) for the ion exchange resins, which containers with fittings (10,13) for their direct connection with the basin (1) of the dishwasher is provided; a collecting and safety container (8) which is equipped with a connection socket (18) for its connection to the basin (1) itself, and connections (19-22) which are arranged for direct connection with complementary connections; and a collector (9) with connections (15, 16) for direct flanging with the containers (7 and 6) for the salt or for the resins, connection elements (2k, 28, 31, 33) complementary to the denjenijj gen (19- 22) of the container and with this copied directly pelbar, connecting elements (32) for connecting the assembly with the water supply network, and solenoid valves (26, 35) to regulate the mode of operation. 2. Assembly according to claim 1, characterized in that the two containers (7, 6) for the salt and for the Ion exchange resins form a single subassembly, which are provided with connectors (10, 13) for the separate direct connection of both containers with the bottom of the basin (1) of a dishwasher, furthermore j connections (15, 16) are provided, which directly with corresponding connection elements (27, 30) of the collector - '■ * ■■ ■ - * ■ · · ■ - ·· -Z- (9) can be coupled as a result of the attachment of the same on the subgroup with the containers (6 and 7) and approaches (17), which allow the attachment of the collector (9). 3. Assembly according to claim 1, characterized in that the collector (9) has a connection (32) for connection with the LJasaerleitung also has a solenoid valve (35), which is inserted between the connection (32) and the corresponding connection (33) which is connected to the container (B) can be coupled, a connection (27) for connection to the salt container (7), also a solenoid valve, which is between the last connection (27) and the corresponding connection (29) is inserted, which is connected to the container (B) can be coupled, and a connection (3G) for connection with the container (G) for the ion exchange resins, the is in direct connection with the corresponding connection (31) which can be coupled to the container (8) - 3 -ί · is. 4. Assembly according to claim 3, characterized in that the container (9) also has a connection (23) for connection to a hot water source and a solenoid valve (26) between the connection (23) and the corresponding connection (24), which with the container (8) can be coupled, is used. Assembly according to claim 3 and optionally 4, characterized characterized in that the connection (32) for connection to the water pipe and optionally the connection (23) for connection to a hot water source on the front of the dishwasher are swept. s