CN103477167A

CN103477167A - Refrigerator having an integrally formed air channel

Info

Publication number: CN103477167A
Application number: CN2012800159407A
Authority: CN
Inventors: A·科赫
Original assignee: BSH Bosch und Siemens Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 2011-03-28
Filing date: 2012-03-16
Publication date: 2013-12-25
Anticipated expiration: 2032-03-16
Also published as: EP2691712B1; WO2012130637A3; WO2012130637A2; EP2691712A2; CN103477167B; DE102011006256A1

Abstract

A refrigerator, in particular domestic refrigerator, having a thermoformed internal container (1) which bounds a storage chamber, having an air channel (7) which is formed in a wall (4) of the internal container (1), and having a cover (11) which delimits the air duct (7) from the storage chamber, the air duct (7) has an undercut (10) on at least one lateral flank (8), the cover (11) engaging in said undercut.

Description

Refrigerating appliance with the air duct in shaping

The present invention relates to a kind of refrigerating appliance, Domestic refrigerator especially, that this refrigerating appliance has is one the gauge storage chamber, internal container pull and stretch and an air duct that is shaped and in the back wall of this internal container.This air duct especially arranges in the no-frost refrigeration device of being everlasting, for being distributed in storage chamber from the cold air of the vaporization chamber separated with storage chamber.

For can be in air duct on long distance direct cold air, the lid arrangement that need to make air duct and storage chamber demarcate and open.Traditionally, use the plastic plate on plane as lid arrangement, this plastic plate is fixed on internal container by means of bolt or plastic expansive rivet.Because lid arrangement usually inadequately heavy wall so that self rigidity, need bolt or the expansive rivet of quite a lot of quantity, to fix like this this lid arrangement, make it enough closely abut on internal container on its whole length.When the installation fee that so many bolts or expansive rivet make lid arrangement is installed.In addition, the bolt or the expansive rivet itself that penetrate internal container bring danger: the humidity from storage chamber enters into the thermal insulation layer that surrounds internal container and the effect of heat insulation that diminishes thermal insulation layer.

Therefore, task of the present invention is, realizes a kind of refrigerating appliance with the air duct that is shaped on internal container, wherein, and can be rapidly and the lid arrangement of air duct is installed simply.

This task is solved, its mode is, at a kind of refrigerating appliance, especially in Domestic refrigerator, this refrigerating appliance has the gauge storage chamber, internal container pull and stretch, the lid arrangement that the air duct and that is shaped in the wall of this internal container is opened this air duct and storage chamber boundary, described air duct at least has a recess on a side edge, and described lid arrangement is embedded in this recess.At least on a side of lid arrangement, save the necessity fixed by means of bolt, expansible plug or analog by this interlocking.

Especially when the wall of this internal container is back wall, this air duct that can be shaped together when the pull and stretch internal container in simple mode comprises this recess.

If described recess forms on the mutual opposed edge of air duct, this lid arrangement integrally can be fixed in recess by kayser, and without other immobilising device.Therefore, also needn't in internal container, realize opening, humidity can arrive in thermal insulation layer by described opening.

Described recess preferably extends on the whole length of air duct, so as to make lid arrangement can kayser on any part of air duct.

Described lid arrangement preferably has be spaced from each other cam follower spacing, in being embedded into recess on its longitudinal direction.Different from the bar that the edge along air duct is continuous, the cam follower that is spaced from each other spacing is the reinforcing cover device not, thereby (if necessary) described lid arrangement can omit crooked and therefore can expend with few power cam follower priority kayser is pulled out in recess or again from recess when mounted and when dismounting.

For make lid arrangement can secure fit on air duct really in allocation, described cam follower preferably has the cross section with the recess complementation at described edge.

Edge for fear of air along lid arrangement does not controllably leak, and a substrate of described lid arrangement preferably has in the both sides of air duct and abuts in the edge strip on the described wall of internal container in the both sides in the core zone of crossing over described air duct.Described edge strip and core zone can form plate unique, plane, wherein, and the border between described cam follower difference mark core zone and edge strip.

In order to improve the sealing effectiveness of edge strip, described edge strip can be received in the depression that is placed in the air duct both sides of back wall.

Some air outlets can be set on lid arrangement, so that the air circulated controllably is distributed in storage chamber in air duct.

For the flow resistance that makes air duct keeps littlely, described air outflow port has the edge of rounding in cross section on a side of air duct at it.The edge of this rounding especially can be realized by the injection moulding of lid arrangement.

This lid arrangement can carry one separates the muscle of this air duct along air duct, from described air duct, to separate a subaisle, for example, for installing wire or analog.

This air duct can comprise at least two sections that mutually stagger on the depth direction of internal container, follow the non-directional trend on the back wall of air duct at internal container in order to can make inner room comprise at this inner room on the whole height in the vertical direction and the overlapping zone of machine chamber alcove, this lid arrangement can at least be divided into the section of mutually following on the longitudinal direction of lid arrangement by a hinge.Described hinge is preferably the film hinge.

With reference to accompanying drawing according to the clear other features and advantages of the present invention of illustrating of the following description of embodiment.Also known the feature of not mentioning in the claims of embodiment by these descriptions and accompanying drawing.These features also can occur with the combination different from disclosed especially combination here.Therefore, a plurality of such features are mentioned in identical sentence or with other context correlation, do not draw such conclusion, that is, these features only can occur with disclosed especially combination; Replace, think in principle, functionally do not have problems as long as of the present invention, in a plurality of such features, also can remove or slightly change indivedual features.

Accompanying drawing illustrates:

Fig. 1 is according to the schematic perspective view of refrigerating appliance internal container of the present invention,

Fig. 2 is according to the first configuration of the present invention, the back wall of internal container and for being arranged on this back wall and the section of the lid arrangement arranged,

Fig. 3 is according to the section of the lid arrangement of the second configuration of the present invention,

The schematic horizontal cross sections figure of the lid arrangement of Fig. 4 Fig. 3 under the state be arranged on back wall,

Fig. 5 and Fig. 4 similarly, according to the profile of the 3rd configuration of the present invention,

Fig. 6 and Fig. 4 similarly, according to the profile of the 4th configuration of the present invention,

Fig. 7 and Fig. 4 similarly, according to the profile of the 5th configuration of the present invention,

Fig. 8 is according to the air duct of the 6th configuration of the present invention and the sectional elevation figure of lid arrangement,

Fig. 9 is according to the three-dimensional view of the lid arrangement of the 7th configuration of the present invention,

Figure 10 and Fig. 8 similarly, according to the view of the 8th configuration of the present invention,

Figure 11 is according to the air duct of the 9th configuration of the present invention and the sectional elevation figure of lid arrangement.

Fig. 1 illustrates the explanatory view of seeing from the oblique back lower place for the internal container 1 of the Domestic refrigerator of the first configuration according to the present invention.In known manner by thermoplastic, internal container 1 that especially the polystyrene pull and stretch becomes has the shape of cuboid basically, this cuboid there is the unlimited positive side of being surrounded by framework 2, sidewall 3, top and in Fig. 1 towards observer's back wall 4 and bottom 5.Form and leave a blank 6 in the lower area of back wall 4, to vacate the space for the machine chamber alcove, this machine chamber alcove receives a compressor and a possible condenser and for making the cooling air blast of compressor and condenser in the refrigerating appliance that completes installation.Air duct 7 comprises on 6 the whole height of leaving a blank and extending at this internal container on back wall 4.In Fig. 1, can see respectively that at the side of air duct one is outstanding domed 9 on along 8, the recess 10 of a flute profile is arranged respectively with described domed corresponding in the inside of internal container 1, for example appreciable such in Fig. 2.Recess 10 extends on two edges 8 on the whole length of air duct 7.

The section that has the air duct 7 be embedded with one of back wall 4 is adjacent to, and Fig. 2 illustrates a section of lid arrangement 11.Substrate or core zone 12 by the lid arrangement 11 of injection-moulding plastic are provided for being placed in air duct 7, wherein, the edge 8 of the edge edge 13 ingress of air passages 7 in core zone 12, and the elasticity cam follower 14 projected into air duct 7 from edge 13 snaps in the recess 10 at edge 8.Cam follower 14 is arranged in pairs respectively on identical height on edge 13.Moderately elastic bending of lid arrangement 11, thereby the cam follower on an end of lid arrangement 11 can snap in recess 10 to 14 during the mounting cover device, and the cam follower on the other end of lid arrangement 11 to also not by kayser, and these cam followers are to being snapped to one by one in recess 10.Similarly, when dismounting lid arrangement 11, cam follower to can successively being drawn out from recess 10.Therefore can realize rapidly and mount and dismount easily lid arrangement 11 in the situation that expend few power.

Fig. 3 illustrates the view of a section of the lid arrangement 11 of the second configuration according to the present invention.Cam follower 14 is compared with the configuration of Fig. 2 slightly and is extended, and be extended with edge strip 15 in the both sides in core zone 12, if lid arrangement 11 is arranged on air duct 7 in the mode shown in Fig. 4, described edge strip and air duct 7 are adjacent to abut on back wall 4, to prevent or at least to limit air ovfl along lid arrangement 11 from air duct 7.

Cam follower 14 carryings are embedded into the kayser protuberance 16 in recess 10, and the cross section complementation of the cross section of described kayser protuberance and recess 10, to guarantee the accurate location of lid arrangement 11.Edge towards edge strip 15 17 depth directions with respect to internal container 1 of kayser protuberance 16 are directions obliquely, thereby when lid arrangement 11 is pulled away from from air duct 7, this edge bears from the other power of pointing to the inside of passage 7 of side, and this power makes cam follower 14 bendings and can make lid arrangement 11 pull out from air duct 7.

As shown in Figure 5, can between edge strip 15 and back wall 4, arrange respectively a flexible band 18, when cam follower 14 snaps in recess 10, sealing is compressed the edge of (gestaucht) and sealing air passage 7 with flexibility.

Fig. 6 illustrates a change programme, wherein, the edge strip 15 of lid arrangement 11 itself be received in back wall 4 in the depression 19 of air duct 7 both sides.Depression 19 can be improved on the one hand the sealing on the edge of air duct 7, and its mode is that described depression forces through the air leaked between edge strip 15 and back wall 4 and turns to tempestuously and stop and leak thus.In addition, described depression can as in the configuration of Fig. 2, make the outside of lid arrangement 11 concordant with back wall 4 on every side and therefore realize storage chamber smooth, be convenient to clean inner surface.

In the configuration of Fig. 7, from an interior side-prominent muscle 20 of lid arrangement 11, this muscle extends until before the back wall 21 of adjacent air duct 7 and separate a subaisle 22 from this air duct.This subaisle 22 can be for cable bundles 23 is installed, and this cable bundles makes to be arranged in the temperature sensor on the different parts of internal container 1 or drives the ventilator of the air circulation in air duct 7 to be connected with the control circuit in a control circuit, for example machine chamber alcove 6.

Air flows out opening 24 and can punching press out or otherwise cut out from the core zone 12 on the plane basically of lid arrangement 11.Preferably, flowing out opening 24 is configured to the core zone 12 that exceeds back wall 4 or surround this outflow opening and protrudes into the sleeve pipe in internal container 1, this sleeve pipe has the zone 25 of rounding as shown in the profile of Fig. 8 on a side of air duct 7 at it, so that eddy flow is few, the air stream approximate horizontal orientation can enter into internal container 1.

As appreciable in Fig. 1, air duct 7 is divided into a plurality of sections: the section 7a of a upstream and two section 7b around 6 extensions of leaving a blank, and 7c, wherein, section 7b essentially horizontally is orientated and section 7c is orientated vertically.In order on the whole length of air duct, with continuous lid arrangement 11, to cover this air duct 7, according to the configuration shown in Fig. 9, this lid arrangement 11 is divided into respectively the section 7a corresponding to air duct by two

film hinges

26,7b, the section 11a of 7c, 11b, 11c.Centre portion 11b shown in Figure 9 does not have cam follower 14, yet, this centre portion can with

adjacent section

11a, 11c is provided with cam follower 14 the samely.Also can conceive, replace cam follower and the muscle extended on two whole length at section 11b is set on section 11b, described muscle does not have the kayser protuberance, but under mounted state, abut on the edge 8 of section 7b, even in order to work as due to

section

7a, 7c or 11a, during the close contact of the manufacturing tolerance in the vertical size of 11c and the edge strip 15 that can not realize section 11b and internal container 1, also at the described edge of the other sealing of side.

Figure 10 illustrates the configuration of lid arrangement 11, and wherein, this lid arrangement is divided into two separated parts 27,28.Top part 27 comprises upstream zone 11a and, the plate 29 that be provided with two gaps 30 that be connected with this section 11a by film hinge 26 of lid arrangement 11.Plate 29 is under mounted state above the horizontal section 7b in air duct 7.

Second portion 28 comprise section 11c and and

section

11a, 11c equally is provided with the plate 31 of kayser cam follower 14.Under mounted state, plate 31 is on plate 29, and a pair of kayser cam follower 14 of plate 31 has with gap through gap 30, in the recess 10 that snaps to section 7b on the longitudinal direction in described gap.Like this, the length of the centre portion consisted of plate 29,31 of lid arrangement 11 can be complementary with the manufacturing tolerance of internal container 1, thereby, at other section 11a, in 11b, edge strip 15 can contact with internal container 1 on its whole length.

Figure 11 illustrates the section 7a of

air duct

7,7b and according to the section 11a of the lid arrangement 11 of new configuration of the present invention, the sectional elevation figure of the borderline region of 11b.Replace unique film hinge 26 and be provided with the interconnective fan-shaped section 32 of a plurality of difference here or pass through film hinge and section 11a, the fan-shaped section 32 that 11b connects, described fan-shaped section makes lid arrangement 11 at section 11a, between 11b, on the length of several centimetres, is high flexibility.Like this, this lid arrangement also can be closely and is abutted in hermetically on transitional region 33 between the vertical zone of back wall 4 and horizontal zone, rounding.

Accordingly, section that form by a plurality of fan-shaped section 32, highly flexible also can be arranged on

section

7b, 7c or 11b, on the transition part between 11c.That form by fan-shaped section 32, flexible section is respectively than for

crossing channel section

7a, 7b or 7b, the required section of transitional region 33 between 7c, rounding is long, also realize thus possibility: this lid arrangement exceeds channel section 7a on its whole length, 7b, the outland of 7c moves and therefore compensates the dimensional tolerance of internal container.

Claims

1. refrigerating appliance, especially Domestic refrigerator, the lid arrangement (11) that this refrigerating appliance has is one the gauge storage chamber, the air duct (7) and that of being shaped in internal container pull and stretch (1), a wall in this internal container (1) (4) is opened this air duct (7) and storage chamber boundary, it is characterized in that, described air duct (7) is at least one side along having a recess (10) on (8), and described lid arrangement (11) is embedded in this recess.

2. according to the refrigerating appliance of claim 1, it is characterized in that, described recess (10) forms along (8) are upper at the mutual opposed side of described air duct (7).

3. according to the refrigerating appliance of claim 1 or 2, it is characterized in that, described recess (10) extends on the whole length of described air duct (7).

4. according to the refrigerating appliance of any one in aforementioned claim, it is characterized in that, described lid arrangement (11) on its longitudinal direction, have the spacing of being spaced from each other, be embedded into the cam follower (14) in described recess (10).

5. according to the refrigerating appliance of claim 4, it is characterized in that, described cam follower (14) has the cross section complementary with described recess (10).

6. according to the refrigerating appliance of any one in aforementioned claim, it is characterized in that, a substrate of described lid arrangement (11) has the edge strip (15) on the described wall (4) that abuts in described internal container (1) in the both sides in the core zone of crossing over described air duct (7).

7. according to the refrigerating appliance of claim 6, it is characterized in that, described edge strip (15) is received in the depression (19) that is placed in air duct (7) both sides of described wall (4).

8. according to the refrigerating appliance of any one in aforementioned claim, it is characterized in that, described lid arrangement (11) has air outlet (24).

9. refrigerating appliance according to Claim 8, is characterized in that, air flows out opening (24) and have the edge (25) of rounding in cross section at it on a side of described air duct (7).

10. according to the refrigerating appliance of any one in aforementioned claim, it is characterized in that, described lid arrangement (11) carries one separates the muscle (20) of this air duct (7) along described air duct (7).

11. the refrigerating appliance according to any one in aforementioned claim, is characterized in that, described air duct (7) comprises at least two sections (7a, 7c) that mutually stagger on the depth direction of described internal container (1).

12. the refrigerating appliance according to any one in aforementioned claim, is characterized in that, described lid arrangement (11) is divided into section (7a, 7b, the 7c mutually followed on the longitudinal direction of this lid arrangement by least one hinge (26); 32).

13. the refrigerating appliance according to claim 12, is characterized in that, described hinge (26) is the film hinge.