CN101380218B

CN101380218B - Dishwasher component

Info

Publication number: CN101380218B
Application number: CN2008101491043A
Authority: CN
Inventors: E·布里格农
Original assignee: Bitron SpA
Current assignee: Bitron SpA
Priority date: 2007-09-05
Filing date: 2008-09-03
Publication date: 2013-09-04
Anticipated expiration: 2028-09-03
Also published as: EP2033566A1; ES2410558T3; EP2033566B8; EP2033566B1; ITTO20070624A1; PL2033566T3; CN101380218A

Abstract

The dishwasher component is formed by a water supply and treatment device (4) and a sump (6) made of plastics material. The device (4) comprises: a first reservoir (22) for holding substances with decalcifying properties, the first reservoir (22) being provided with at least one inlet opening (20) for water to be decalcified and one outlet opening (48) for decalcified water; a second reservoir (28) for holding salt, the second reservoir (28) being provided with at least one inlet opening (27) for water and one outlet opening (29) for regenerating brine that is formed as a result of the dissolving of the salt in the water, and the second reservoir (28) having a filler opening at the top. The sump (6) comprises a lower, tub-shaped portion (37) and an upper portion (39) in which there is a hole (41) in which a lower portion of the filler opening is housed in a leaktight manner.

Description

Dishwasher component

Technical field

The present invention relates to comprise the Dishwasher component of water supply and treating apparatus.Particularly, this device comprises:

-being used for holding first storage of the material with decalcification characteristic, first storage has be used at least one import of the water for the treatment of decalcification and is used for an outlet of the water of decalcification, and

-for second storage that holds salt, second storage has at least one import of water and is used for an outlet of regenerate brine (regenerating brine), this salt solution is dissolved in the water by salt and forms, and second storage has filling opening at the top.

Background technology

This type known devices for example is described among applicant's the patent application EP-1844694.In this known devices, filling opening comprises neck and annular wall, and this annular wall is surrounded the bottom of neck at least with the formation space from the outside, and exists the outlet that makes first storage to be connected to the conduit in this space.In the device of EP-1844694, annular wall is predetermined to be engaged in the opening that passes bottom of rinse bath and form, and in this rinse bath, carries and make it to pass this space to the water from the decalcification of connecting duct.

Such structure has been avoided using the independent pipeline that is used for device is connected to rinse bath, has simplified number of assembling steps thus and provides cost savings.Yet such structure has produced etching problem in the part of the encirclement salt storage neck of dish-washing machine bottom.In fact, when this storage periodically was full of, the salt solution that is contained in the storage overflowed, thereby formed the saline environment that is easy to corrode the plate-shape metal that constitutes the dish-washing machine bottom.When the salt solution that is full of overflows to the neck outside of corresponding storage (often this thing happens owing to make mistakes for possibility), this corrosion even more remarkable.

Summary of the invention

Therefore, the objective of the invention is to prevent the etching problem of the above-mentioned type, and keep the characteristic cheaply that reaches simple in structure simultaneously.

This purpose can be by realizing by water supply and treating apparatus with by the Dishwasher component that the storage tank that plastic material is made constitutes at least, wherein the type specification of water supply and treating apparatus is in the beginning part of this specification, and storage tank comprises the tubbiness bottom and have the top in hole, and the bottom of filling opening is contained in this hole with the form of leakproof.

In member of the present invention, the filling opening of salt storage is surrounded by the top of storage tank, and this storage tank is made by plastic material, does not therefore have the problem of salt corrosion.

In addition, because water supply and treating apparatus also made by plastic material usually, so this device can utilize collar nut or seal rather than special connector (such as sleeve etc.) to assemble with storage tank by direct mechanical connection at the most.This specific character has further been simplified the structure of member, thereby makes product more cheap.

Another object of the present invention is to comprise the dish-washing machine of the member of the type of describing just.

Description of drawings

Can clearly find out other advantage and feature of the present invention from following with reference to the given detailed description of accompanying drawing, wherein accompanying drawing provides by non-limiting instance, in the accompanying drawings:

Fig. 1 is the schematic diagram that is engaged in the member of the present invention in the dish-washing machine,

Fig. 2 shows some details of Fig. 1 with the ratio of amplifying,

Fig. 3 is the more detailed view of water supply and treating apparatus, the part of the member of the present invention of this water supply and treating apparatus pie graph 1 and Fig. 2,

Fig. 4 is the view corresponding to Fig. 2, and its ratio with amplification shows the additional embodiments of member of the present invention,

Fig. 5 is the view corresponding to Fig. 2, and it shows an alternative embodiment of the invention with the ratio of amplifying, and

Fig. 6 is the view corresponding to Fig. 2, and it shows another embodiment of the present invention with the ratio of amplifying.

The specific embodiment

Fig. 1 shows the member that is made of water supply and treating apparatus 4 and storage tank 6.This member utilizes stationary annular nut 9 to be installed in the dish-washing machine diapire 8, and this stationary annular nut 9 is arranged in the hole that is formed on rinse bath sidewall 11.Collar nut 9 is conventional element, and it is used to form the steam (vapor) outlet in rinse bath usually in dish-washing machine, and is called the collar nut of " air breakaway-element " in technical term.Collar nut is advantageously located on another element 7, and this element 7 is assembled with the member that is made of device 4 and storage tank 6.Device 4 and storage tank 6 are made by plastic material, and diapire 8 is made of metal.Storage tank 6 is positioned at the rinse bath below in the known manner, with permission it is emptied.

Element 7 (referring to Fig. 3, it has shown the full details that does not have demonstration among Fig. 1 and Fig. 2 for simplicity) comprises water supply conduit 10, fills magnetic valve 12 and flowmeter 14 and is arranged in this water supply conduit 10.Feed line 10 also comprises the air gap part 16, and leads to the import 20 of first storage 22, and this first storage 22 is used for holding the material with decalcification characteristic; Storage 22 is with the part of the end constituent apparatus 4 of conduit 10.Conduit 10 is also supplied ponding chamber 24, and this ponding chamber 24 is connected to import 27 be used to second storage 28 that holds salt, the part of these second storage, 28 constituent apparatus 4 by conduit 26.Storage 28 has by conduit 30 and is connected to outlet 29 on first storage 22, and this conduit 30 has and optionally cuts off parts 32.Second storage 28 has the last filling opening that comprises neck 34, and this neck 34 is surrounded with restriceted envelope 38 from the outside by annular wall 36.Space 38 also can be annular, perhaps only extends through circular arc.Neck has vertical axis 40, the dead in line of the main body of this axis 40 and storage 28.The opening of the lid that can remove 42 sealing necks 34, and be arranged in 38 tops, space and do not contact the top edge of annular wall 36.The structure detail in neck 34, lid 42 and space 38 for example is described among document EP-A-1025793, and the content of document intention is by reference and in conjunction with in the present invention.

Conduit 44 is connected to space 38 with the outlet 48 of first storage 22, and another conduit 46 of wherein collecting the water that leaks from the air gap part 16 can lead to conduit 44.

Storage tank 6 (Fig. 1 and 2) in itself comprises tubbiness bottom 37 and top 39, and hole 41 is formed in the top 39.The bottom of annular wall 36 is contained in the hole 41 by fixture, and this fixture comprises the screw thread 43 on the outer circumferential part that is formed on annular wall 36 and the collar nut 45 that engages with screw thread 43.Seal 47 between the upper wall of the top 39 by being positioned over storage tank 6 and device 4 can be guaranteed waterproof.

Above-mentioned member is assembled on the dish-washing machine as follows, namely make the top of annular wall 36 be engaged in the opening 50 that is formed in the filter 49, this filter 49 is arranged in the diapire 8 of rinse bath, and water supply and treating apparatus 4 mechanically are supported on " air breakaway-element " collar nut 9 that installs 4 elements of assembling mutually 7 and are arranged between the storage tank 6 of diapire 8 belows.

During the normal operating of dish-washing machine, water via conduit 10 supplies passes (Fig. 3) water therein by first storage 22 (arrow 54) of decalcification, enter conduit 44 then, and import (arrow 56) space 38, water 38 directly enters rinse bath (arrow 58) from the space.

Rely on its its specific structure, above-mentioned member can enter in the rinse bath water, and need not to use independent connecting line.In addition, above-mentioned member has been avoided forming corrosion at the metal diapire 8 of dish-washing machine, this is because the neck 34 of salt storage 28 is surrounded by plastic member (such as storage tank 6 and filter 49), be full of operating period, may taking place from the neck 34 of salt storage 28 situation that corrosive material (such as salt and/or salt solution) overflows to take place.

Fig. 4 shows alternative of the present invention, and wherein employed identical reference number is distinguished parts identical or that be equal in the accompanying drawing in front.

For the embodiment of front, unique difference is to comprise the different device for annular wall 36 being fixed on the storage tank 6.In this embodiment, in fact used the fixture that is formed on the storage tank 6; Specifically, this fixture is hasp (snap) fixture that comprises a plurality of teeth 64, and this tooth 64 can flexibly be opened.Tooth 64 centers on hole 41 circumferentially to be arranged alternately, and has longitudinal end protrusion 66, and this protrusion 66 can be bonded on peripheral flange 68 belows of giving prominence to from annular wall 36.Seal 70 is guaranteed in the top 39 of storage tank 6 and the watertightness between the flange 68.Therefore, compare with above-described embodiment, this embodiment has the advantage that can save part (such as collar nut 45), thereby has further simplified the structure of member.The operation of this embodiment is similar.

Fig. 5 shows an alternative embodiment of the invention, and wherein the identical reference number that uses in the accompanying drawing is in front distinguished parts identical or that be equal to.

In this embodiment, member is similar to member shown among Fig. 1 and Fig. 2, and just annular wall 36 is positioned at filter 49 belows fully, rather than through being formed at opening wherein.The operation of member remains unchanged with respect to aforesaid operations.

Correspondingly, Fig. 6 shows another embodiment of the present invention, and wherein the similar member of the member in being presented at Fig. 4 and annular wall 36 integral installations are below filter 49, and this is similar to the embodiment of Fig. 5.The operation of member remains unchanged with respect to aforesaid operations.

Certainly, with respect to merely for the described embodiment of example, principle of the present invention is consistent, and the details of the structure of embodiment and form can have very big variation, does not but therefore deviate from scope required for protection.Specifically, the filling opening of second storage can comprise simple neck, and does not have the additional outer ring shape wall that limits annular space.Equally in this case, filling opening can be fixed to by following fixture on the storage tank, this fixture comprises the screw thread on the collar nut outer circumferential part that engage, that be formed at simple neck, perhaps be fixed on the storage tank by the fixture that is formed on the storage tank, for example, hasp fixture such as a plurality of teeth, these a plurality of teeth can flexibly be opened, circumferentially arrange alternately around the hole, and having corresponding longitudinal end protrusion, this protrusion can be bonded on from the radially outstanding peripheral flange below of neck.

Claims

1. Dishwasher component, it comprises the storage tank (6) of that make and diapire that be arranged in rinse bath (8) below of water supply and treating apparatus (4) and plastic material at least, described water supply and treating apparatus (4) comprising:

-being used for holding first storage (22) of the material with decalcification characteristic, described first storage (22) has be used at least one import (20) of the water for the treatment of decalcification and is used for an outlet (48) of the water of decalcification, and

-for second storage (28) that holds salt, described second storage (28) has at least one import (27) of water and is used for the outlet (29) of regenerate brine, described salt solution forms owing to salt is dissolved in the water, and described second storage (28) has filling opening at the top

And described storage tank (6) comprises tubbiness bottom (37) and has the top (39) of hole (41) that the bottom of described filling opening is contained in the described hole (41) with the form of leakproof.

2. Dishwasher component according to claim 1 is characterized in that, described filling opening comprises neck (34) and annular wall (36), and described annular wall (36) is surrounded the bottom of described neck (34) at least from the outside, thereby forms space (38),

Conduit (44) is connected to described space (38) with the outlet (20) of described first storage (22), and the bottom of described annular wall (36) is contained in the described hole (41) with the form of leakproof.

3. Dishwasher component according to claim 2, it is characterized in that, described annular wall (36) is contained in the described hole (41) by the form of fixture with leakproof, and described fixture comprises the screw thread (43) on the outer circumferential part that is formed at described annular wall (36) and engages the collar nut (45) of described screw thread (43).

4. Dishwasher component according to claim 2 is characterized in that, described annular wall (36) is contained in the described hole (41) with the form of leakproof by the fixture that is formed on the described storage tank (6).

5. Dishwasher component according to claim 4 is characterized in that, the fixture that is formed on the described storage tank (6) is the hasp fixture.

6. Dishwasher component according to claim 5, it is characterized in that, described hasp fixture comprises a plurality of teeth (64), described a plurality of tooth (64) can flexibly be opened and circumferentially arrange alternately around described hole (41), and have corresponding longitudinal end protrusion (66), described protrusion (66) can be bonded on from radially outstanding peripheral flange (68) below of described annular wall (36).

7. dish-washing machine, it comprises Dishwasher component according to claim 1 and 2, and wherein, the opening (50) that is formed in the filter (49) is inserted on the top of described filling opening, and described filter (49) is arranged in the diapire (8) of described rinse bath.

8. dish-washing machine according to claim 7, it is characterized in that, described filling opening comprises neck (34) and annular wall (36), described annular wall (36) is surrounded the bottom of described neck (34) at least from the outside, thereby form space (38), and the opening (50) in the filter (49) that is formed in the diapire (8) that is arranged in described rinse bath is inserted on the top of described annular wall (36).

9. dish-washing machine according to claim 7, it is characterized in that, described filling opening comprises neck (34) and annular wall (36), described annular wall (36) is surrounded the bottom of described neck (34) at least from the outside, thereby form space (38), and described annular wall (36) is arranged in filter (49) below of the diapire (8) that is arranged in described rinse bath.

10. dish-washing machine according to claim 7, it is characterized in that, described water supply and treating apparatus (4) mechanically are supported between stationary annular nut (9) and the described storage tank (6), and described stationary annular nut (9) is arranged in the hole of the sidewall (11) that is formed on described rinse bath.