CN201129901Y

CN201129901Y - Water filtering apparatus of refrigerator

Info

Publication number: CN201129901Y
Application number: CNU2007200448704U
Authority: CN
Inventors: 若普·亚历山大; 柏玉发; 鲁松涛; 陈凯驹
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd
Priority date: 2007-11-12
Filing date: 2007-11-12
Publication date: 2008-10-08
Anticipated expiration: 2017-11-12
Also published as: CN101855505A; WO2009062912A2; EP2220447A2; WO2009062912A3

Abstract

The utility model relates to a water filtering device of a refrigerator, which comprises a shell which is fixed on a box of the refrigerator, a filter head which connects a water inlet pipe and a water outlet pipe, a filter cartridge which is connected with the filter head and can be detached and a cover which can rotate between an opening position and a closing position, wherein a containing space which contains the filter cartridge is formed in the shell, the filter head is fixed on one end of the shell through a fixing device, and the cover is movably connected on one end of the shell.

Description

The water filtering device of refrigerator

[technical field]

The utility model relates to a kind of water filtering device, refers in particular to the water filtering device in a kind of refrigerating chamber that is arranged on household electric refrigerator.

[background technology]

Refrigerator particularly has the refrigerator of automatic ice-making plant, the water source of refrigerator outside need be imported to by conduit and make ice cube in the automatic ice-making plant.For the water source of clean and safe is provided, usually a water filtering device need be set in refrigerator, before water is directed to automatic ice-making plant, water is imported in this water filtering device filter earlier, so that remove the impurity that may exist in the water.

The position of existing water filtering device be arranged on usually refrigerator the refrigerating chamber back lower place be used to install in the machine chamber of compressor.Because water filtering device after using a period of time, needs to change filter cartridge wherein, the bonnet that the user must take machine chamber apart could carry out disassembling section to water filtering device, and it is very inconvenient to change filter cartridge.

As improvement, U.S. Pat 7,056 has disclosed a kind of novel water filtering device, (being U.S. Pat 7,056,435B2 Figure of description Fig.3) as shown in Figure 1 435B2 number.The position of this water filtering device is arranged in the refrigerating chamber of refrigerator, and it comprises matrix 18, filter head 20, filter cartridge 22, and lid 24.Wherein filter head 20 is pivotally connected on the end of matrix 18, and filter cartridge 22 is removably mounted on the filter head 20, and lid 24 is pivotally connected on the filter head 20.When lid 24 was in the close position, filter cartridge 22 was maintained on the operating position by the support of lid 22.When the user wants to change filter cartridge 22, it is opened lid 24 from closing position, make lid 24 be rotated down the enable possition, being rotated down of lid 24 drives filter head 20 simultaneously and rotates with respect to matrix 18 with filter cartridge 22 and come off from its operating position, thereby is convenient to take out filter cartridge 22.The advantage of this design is that the replacing of filter cartridge 22 is very convenient, but its shortcoming is: because rotating of lid 24 always will inevitably drive rotating of filter head 20 and filter cartridge 22, when water filtering device is arranged on the position that is easy in the refrigerating chamber be touched by the user, if the user has touched lid 24 unintentionally, also movably cause lid 24 to be inconjunction with filter head 20 and split away off from its use location, cause unnecessary trouble with filter cartridge 22; Perhaps the user only wishes that uncap 24 looks at the duty of filter head 20 and filter cartridge 22, does not want they are broken away from from the operating position, and present design can not realize this function.

[summary of the invention]

The purpose of this utility model is to provide a kind of water filtering device of not only being convenient to assembly and disassembly but also having guaranteed to use safely.

For achieving the above object, the water filtering device of the refrigerator of a kind of embodiment of the present utility model comprises the housing on the casing that is fixed on refrigerator, the filter head that connects water inlet pipe and outlet pipe, the removable filter device tube that is connected with filter head, and the lid that can between enable possition and closing position, rotate; Wherein filter head is fixed on by fixture on the end of housing, and lid movably is connected on the end of housing.

As further improvement of the utility model, described fixture comprises the locating hole and the elastic cantilever that is arranged on the filter head on the end that is arranged on housing; This elastic cantilever snaps in this locating hole.

Further improvement of the utility model, described housing has the roof on the casing that can be fixed on refrigerator, and the sidewall that extends downwards from the roof both sides, and this roof and this sidewall form the receiving space of ccontaining filter cartridge.

As further improvement of the utility model, an end of described housing has the hook part of downward extension, and an end of described lid has rotating shaft, and this rotating shaft matches with this hook part lid is pivotally connected on this housing.

As further improvement of the utility model, described lid has assistance filter cartridge is positioned at bracing or strutting arrangement in the receiving space, described bracing or strutting arrangement comprises the support chip that at least one is upright, when lid is in the close position, this support chip is on the side of filter cartridge, and the shape on the top of described support chip is consistent with the outline of filter cartridge.

The beneficial effects of the utility model are: because water filtering device is arranged in the refrigerating chamber and the lid of water filtering device can rotate between enable possition and closing position, be convenient to filter cartridge is disassembled; And filter head is fixed on the housing by fixture, and lid movably is connected on the housing, and the rotation of lid can not drive filter head and the filter cartridge accidental is got off.

[Brief Description Of Drawings]

Fig. 1 is a kind of schematic perspective view of existing water filtering device;

Fig. 2 is the stereogram of the water filtering device of a kind of embodiment of the present utility model;

Fig. 3 is the cutaway view of the water filtering device among Fig. 2;

Fig. 4 is the housing of the water filtering device among Fig. 2 and the three-dimensional combination figure of lid;

Fig. 5 is the schematic diagram of the installation site of water filtering device of the present utility model in refrigerator.

[specific embodiment]

With reference to figure 2, the water filtering device 4 of a kind of embodiment of the present utility model comprises housing 40, be installed in the lid 41 of the below of housing 40, be installed in the filter head 42 of an end of housing 40, and be installed in the filter cartridge 43 in the space that housing 40 and lid 41 be enclosed to form.Wherein filter head 42 is connected with water inlet pipe 420 and outlet pipe 422 respectively, and the water source flow in the filter cartridge 43 by water inlet pipe 420 and filters, and the water after filtering flows out by outlet pipe 422 again.

With reference to figure 3 and Fig. 4, housing 40 has the sidewalls that a roof and two extend from the both sides of roof respectively downwards, and this roof encloses the receiving space 408 of an inside with sidewall, and filter cartridge 43 is housed in this receiving space 408.One end of the roof of housing 40 has two location buckles 404, and the other end has a through hole 406 that can be screwed into screw.By location buckle 404 and locating hole 406, the roof of housing 40 can be fixed on other outer members, for example the inner bag of refrigerator.

Also have a locating hole 400 on the roof of housing 40, have another one locating hole 400 with the lower end of these locating hole 400 corresponding housings 40.Accordingly, have two on the filter head 42 and be tilted to respectively and the elastic cantilever 424 that extends downwards, these two elastic cantilevers 424 snap in respectively in the corresponding locating hole 400, thereby filter head 42 are fixed on the end of housing 40.

The lower end of housing 40 is then extended the grab 402 that a tail end is the U type downwards, accordingly, lid 41 has a upwardly extending clamping part 410, has a pivot 412 in the U type portion that snaps onto grab 402 on this clamping part 410, this pivot 412 can rotate with respect to grab, rotates between enable possition and closing position thereby drive lid 41.

Lid 41 is provided with two upright support chips 414, when lid 41 turns to closing position, this support chip 414 is resisted against on the side of filter cartridge 43, the circular arc that support chip 414 tops have indent, the radian of this circular arc is consistent with the radian of the filter cartridge 43 of circle, thereby assists filter cartridge 43 is positioned in the receiving space 408.

The assembling process of the filter of water filtering device of the present utility model is: at first filter head 42 is inserted into the rear end of housing 40 from the front end of housing 40 through receiving space 408, and make filter head 42 about two elastic cantilevers 424 of both sides snap onto respectively in the locating hole 400 of correspondence; Then, be connected to from the pivot 412 of lid 41 by clamping part 410 in the U type portion of grab 402 of housing 40, and lid 41 is remained on the enable possition; The order of two above steps also can be exchanged, and lid 41 promptly is installed earlier to housing 40, filter head 42 is installed again to the rear end of housing 40; The 3rd step was inserted into the front end of filter cartridge 43 from housing 40 receiving space 408, and made filter cartridge 43 be detachably connected on the filter head 42 by rotation near a section of filter head 42; At last, lid 41 is rotated to closing position from the enable possition, make the support chip 414 of lid 41 be resisted against on the side of filter cartridge 43, assist the location of filter cartridge 43 in receiving space 408.

When needing dismounting filter cartridge 43, at first lid 41 is rotated to the enable possition from closing position.Unlike the prior art be, when lid when closing position rotates to the enable possition, filter cartridge 43 can't split away off from filter head 42 thereupon; Then, the user need rotate filter cartridge 43 by hand it is disassembled from filter head 42.Be not both with another of prior art, filter head 42 of the present utility model is to be fixed on the rear end of housing 40, it can't move along with the unloading process of filter cartridge 43 or rotate, when needs with filter head 42 when housing 40 disassembles, the user need discharge elastic cantilever 424 from locating hole 400, then the front end of filter head 42 through housing 40 taken out.

With reference to figure 5, water filtering device 4 of the present utility model is installed in the refrigerator.The casing 1 of this refrigerator has refrigerating chamber arranged side by side 2 and refrigerating chamber, has water outlet on the door of refrigerating chamber and goes out ice production apparatus 5.Water filtering device 4 is fixed on the postmedian of the roof 3 of refrigerating chamber 2, and two location buckles 404 on the roof of water filtering device 4 can match with the corresponding bayonet unit that sets in advance on roof 3.The advantage of postmedian that water filtering device 4 is arranged on the roof 3 of refrigerating chamber is that the user can check the duty of water filtering device 4 more expediently first, convenient filter cartridge 43 is changed; Second the illuminating lamp of a refrigerating chamber can be set at the middle front part of roof 3 usually, water filtering device 4 just in time can be blocked in the position of this illuminating lamp, the user is not easy to see water filtering device 4 from the dead ahead of refrigerator, makes relatively clean and tidy of internal look of refrigerating chamber 2 of refrigerator.

What it is pointed out that above announcement only is the water filtering device of a kind of specific embodiment of the present utility model.Those of ordinary skill in the art under the prerequisite of not paying creative work, can make rational adjustment to present embodiment according to concrete needs fully after the study present embodiment.For example, the fixture of the filter head of present embodiment comprises the locating hole and the elastic cantilever that is arranged on the filter head on the end that is arranged on housing, also can be adjusted into locating hole is arranged on the filter head elastic cantilever is arranged on the housing, perhaps locating hole is adjusted into a depression with positioning function.Again for example, the housing of present embodiment and the hook part of the jockey between the lid are arranged on the housing, also can be adjusted into the hook part to be arranged on the lid and the pivot that will cooperate with the hook part is arranged on the housing.Again for example, the outline of the filter cartridge of present embodiment is circular, also may be square in other embodiments, and the shape on the top of the support chip of lid also will correspondingly be adjusted into consistent with the outline of filter cartridge at this moment.More than these rational adjustment all should be within the protection domain of claim of the present utility model.

Claims

1. the water filtering device of a refrigerator, it comprises the housing on the casing that is fixed on refrigerator, the filter head that connects water inlet pipe and outlet pipe, the removable filter device tube that is connected with filter head, and the lid that can between enable possition and closing position, rotate, it is characterized in that filter head is fixed on by fixture on the end of housing, lid movably is connected on the end of housing.

2. water filtering device as claimed in claim 1 is characterized in that, described fixture comprises the locating hole and the elastic cantilever that is arranged on the filter head on the end that is arranged on housing; This elastic cantilever snaps in this locating hole.

3. water filtering device as claimed in claim 1 is characterized in that described housing has the roof on the casing that can be fixed on refrigerator, and the sidewall that extends downwards from the roof both sides; This roof and this sidewall form the receiving space of ccontaining filter cartridge.

4. water filtering device as claimed in claim 1 is characterized in that, an end of described housing connection lid has the hook part of downward extension, and described lid has rotating shaft, and this rotating shaft matches with this hook part lid is pivotally connected on this housing.

5. as the described water filtering device of above any one claim, it is characterized in that described lid has assistance filter cartridge is positioned at bracing or strutting arrangement in the receiving space.

6. water filtering device as claimed in claim 5 is characterized in that described bracing or strutting arrangement comprises the support chip that at least one is upright; When lid was in the close position, this support chip was on the side of filter cartridge.

7. water filtering device as claimed in claim 6 is characterized in that the shape on the top of described support chip is consistent with the outline of filter cartridge.