CN1143116C

CN1143116C - Refrigerator

Info

Publication number: CN1143116C
Application number: CNB988058901A
Authority: CN
Inventors: A・拉尔布; A·拉尔布; 东; R·科尔东; 芈迥; K·斯特洛姆
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-07-15
Filing date: 1998-07-13
Publication date: 2004-03-24
Anticipated expiration: 2018-07-13
Also published as: PL337989A1; DE19730357A1; TR200000432T2; PL189707B1; DE69818568T2; EP0995070B1; DE69818568D1; DE59804064D1; ES2209054T3; BR9811504A; WO1999004208A1; RU2196282C2; EP0892230A1; EP0892230B1; CN1259199A; EP0995070A1; ES2177041T3

Abstract

The invention relates to a refrigerator (10) with a heat-insulated housing (11) comprising an outer casing (15), a heat insulating layer (16) and an inner casing (17) which defines the storage volume (12, 13, 14) of the refrigerator and on which there is a lighting device (40) for illuminating said storage volume (12, 13, 14,), characterized in that the inner casing (17) has an opening (18) covered by an insertion piece (20) arranged on the side of the heat insulation. Said insertion piece has electrical connections (33, 51) and means for fixing the lighting device (40), which is fixed by means of a sliding movement in the direction of the longitudinal axis of the insertion piece (20) and is in contact with the electrical connections (33, 51).

Description

Refrigerator

The present invention relates to a kind of refrigerator with insulated case, it is made up of outer case, heat insulation layer and the internal box that limits the usage space of refrigerator, and the lighting device that is used to illuminate usage space is housed on the internal box.

In existing refrigerator, illuminate the refrigerator cooling chamber with lighting device or adjuster-light fixture, by above-mentioned adjusting-light fixture being supported on the cooling locular wall at the hold-down screw assembly that works the effect of being located by connecting on the cooling chamber perpendicular to the cooling locular wall.Simultaneously, electrically contact by the plug that is fixed on the plug contact containing on the cooling chamber and the positioning devices of lighting device.When producing refrigerator in batches, make closing of contact process safe and reliable for one side, make position fixing process safe and reliable on the other hand, the tolerance that requirement is fixed on the plug position on the cooler bin is limited in the small range, and has certain skew (uberhub) of crossing when wishing to make the lighting device location by plug.But, crossing the position of related features of usually not wishing to occur to have only very little locking-type plug when being offset again because of the interval that can flow to thawing water that between lighting device and cooling chamber, forms, because this has not only increased the expense of technological process, and, thereby because inaccurate plug can not being installed in the very little permission position is installed the installation of lighting device is gone wrong.

Task of the present invention is: a kind of refrigerator that has insulated case is provided, maintenance is housed in the cooling chamber of this refrigerator and contacts the lighting device that all is improved.

The technical scheme of finishing task of the present invention is: internal box has through hole, this through hole is covered by the plug-in unit of a side thermal insulation, plug-in unit is provided with electrical connector and is used for fixing the member of lighting device, by means of moving along the plug-in unit long axis direction, lighting device can be fixed on the plug-in unit, lighting device is linked to each other with electrical connector.

Technical scheme of the present invention provides the fixing of lighting device and has contacted measure, because the lighting device shell structure of essentially no air gap can be provided on internal box, can in small range, slide on the one hand by these measures and to fix (Schiebebefestigung).On the other hand, keep technology can simplify assembling by means of this lighting device, and can under the prerequisite that keeps accurate manufacturing tolerance, farthest be installed separately, because plug-in unit and lighting device are that an assembling is whole to a certain extent, can accelerate technological process greatly by means of above-mentioned measure, and the security of technical process is higher.In addition, because the effect of adding a cover of plug-in unit, the heat-insulating material that can avoid filling in the liquid outlet part in the space between the outer box and inner box enters in the useful space of refrigerator through the space on the internal box.Moreover this structure that is positioned at the lighting device housing on the internal box can position and connection procedure by means of plug-in unit, thereby can make installation procedure very accurate, very fast.In addition, because plug-in unit is born the electrical connection function, so can make it have electrical connecting wire in advance, and needn't take to add for the necessary seal approach of bubbling process (Ausschaumvorgang), so in available seldom the Preinstallation Steps of mounting cost before bubbling process plug-in unit is fixed on the internal box.

The preferred embodiment of design according to the present invention remains on plug-in unit on the idle edge that does not take by a bayonet type locking member, and the locking direction is moved towards along the plug-in unit long axis direction.

By means of this locking member structure that resembles bayonet type, can guarantee that owing to having utilized to the coupling mechanism force that obtains of locking purpose inclined surface reduces, thereby only need according to locking member motion to bubble to be sealed in locked position just to make plug-in unit be close to internal box.By select the locking direction along the plug-in unit long axis direction, can provide a kind of operation simple especially retaining mechanism.

If with object of the present invention by following favourable arrangements, the locking member that resembles bayonet type that is about to plug-in unit be arranged on through hole along on the edge of long axis direction trend, the locking member particularly suitable of plug-in unit then.

If according to another preferred implementation configuration of object of the present invention, be about to plug-in unit along the opening direction in the useful space plug-in unit locked position of packing into, then in processing technology and operation, can both especially reasonably plug-in unit be contained on the locked position.

If object of the present invention is pressed following favourable arrangements, promptly by stopper element make insert shape suitably (formschlussig) remain in the locking device or the locked position at the locking device back side in, then can be reliable especially in process and fixed-site ground keep plug-in unit.

According to the another preferred implementation of object of the present invention, be used for lighting device be fixed on member on the plug-in unit resemble the bayonet socket with lighting device on stopper element concur.

Be used for the maintenance measure of lighting device by this class, can be in very large range irrelevant because of adopting the resulting inclined-plane of plug-in locking member with tolerance, and can be close to internal box basically and fix.In addition, this maintenance measure can be fast and is loaded and unloaded lighting device effortlessly.

If object of the present invention is pressed following favourable arrangements, the member that promptly is used for lighting device is fixed on the plug-in unit is an independent geometrical clamp at least, stop boss on the lighting device can and said fixing folder shape matches and/or moving engagement ground works with respect to the major axis of plug-in unit together, this parts that lighting device is fixed on the plug-in unit are simple especially and firm.

The preferred implementation again of object according to the present invention, plug-in unit has and is used for long recess adiabatic, that be provided with along the plug-in unit long axis direction together, one end of groove is provided with the receiving box at the long axis direction both-side opening, and the mode along the periphery of receiving box with sealing keeps a plug that is provided with some connectors that are used to be electrically connected.

This class accurate positioning, can prevent that liquid heat-insulating material fixture that flow into, that be electrically connected with plug-in unit from can make firm especially and the dependable performance of electrically contacting of lighting device in the process of priming illumination device.Therefore, can provide a kind of simple especially, firmly and the plug fixed device that reasonably is used to bear the electrical connection effect is installed by means of above-mentioned receiving box.

According to the following preferred implementation of object of the present invention, above-mentioned plug-in unit have one around be provided with, be sealed in the elastic packing rib in the through hole marginal zone on the internal box.

The plug-in unit of above-mentioned structure like this need not to adopt the additional seal measure, only needs to make in the locking process its sealing of bubbling on internal box to get final product.

If object of the present invention is pressed following favourable arrangements, be that lighting device is provided with a receiving unit, match and/or power engagement ground fixedly has the retainer of the above-mentioned receiving box of can partly packing at least of spring contact in order to shape, then can be simply and being electrically connected of maintenance definitely and lighting device.

If according to the another preferred implementation configuration of object of the present invention, promptly lighting device is furnished with the reflector that detachable keeps, and then can change the reflector of lighting device especially simply.In addition, this class reflector fixture can be used the reflector of different materials and different geometrical size, and therefore, for example this lighting device need not the incandescent lamp of too high expense with regard to replaceable different output power.

If according to the configuration of last preferred implementation of object of the present invention, promptly lighting device is locked on the plug-in unit along plug-in unit locking direction, then can be accessible and priming illumination device reliably.

The embodiment that schematically illustrates in inciting somebody to action with reference to the accompanying drawings in the specification part below describes the present invention in detail.Wherein:

Fig. 1 is equipped with an adjuster-light fixture that is fixed on the internal box for the stereogram of many greenhouses domestic refrigerator of seeing from the front on the conventional refrigeration chamber (Normalkuhlfach) of refrigerator;

Fig. 2 is what see from the side, the stereogram of the adjuster-light fixture that takes out from internal box.

Fig. 1 shows the many greenhouses domestic refrigerator 10 that has insulated case 11, enclosure interior is provided with three cooling segments that temperature is different, superposed is refrigerating chamber 12, bottom is to stack part (Kellerfach) 13, be between the two be conventional refrigeration chamber 14, each chamber all can be closed by the door of the opening that is suitable for pushing down housing 11.The heat insulation layer 16 that housing 11 joins by outer case 15, with outer case and 17 groups of the internal box that extends to three cooling segments that becomes with one section plastic plate deep-draw or, internal box and outer case 15 form the midfeather of the heat insulation layer 16 of packing into together.Be equipped with one on the internal box 17 below with the adjuster-light fixture that is described in more detail.

Illustrating especially in Fig. 2, for fixing, internal box 17 has one be the through hole 18 of rectangle substantially, and the rectangle that moves towards along the internal box major axis in the dummy section that does not take of through hole 18 is grown on the limit parallel to each other and relatively be provided with two ledges 19.For the heat insulation layer 16 of packing into, through hole 18 is by being similar to covering hermetically as one section plug-in unit 20 that is formed by plastics injection cast of backplate shape, at the bottom of the backplate 21 do not have occupied edge to be provided with can to produce elastically-deformable seal land 22, the sealing rib under certain stress effect at the edge extent inner close fitting of the through hole 18 of sealing on internal box 17.For

fixing pluge

20,21 long axis direction is provided with two stop contacts 23 in its lateral region at the bottom of the backplate, and they are installed at the bottom of the backplate on 21 and ledge 19 corresponding places.The cross section of above-mentioned stop contact 23 is a dihedral, and they comprise and the 21 parallel arms of angle 24 at the bottom of the backplate that intake section 25 links to each other as the transport portion 26 on inclined-plane, with the pinch zones 27 that links to each other with chamfered portion with intake section.Except that stop contact 23, for plug-in unit 20 shapes are fixed on the internal box 17 suitably, can on plug-in unit minor face that concurs and through hole minor face,

flange

28 and 29 be set in couples along latch direction and contrary latch direction, wherein, flange 29 is higher than that the check plate 30 of 21 certain distances links to each other at the bottom of the backplate with being arranged on.At the bottom of the backplate on 21, between

flange

28 and 29, be provided with the groove 31 that extends along the long axis direction of plug-in unit 20.This groove has a receiving box 32 at it in the face of on the minor face of flange 29, the plug 33 that in this receiving box, can pack into and can pull up, and the connector 34 that the usefulness of plug is electrically connected is given prominence in groove 31, and links to each other with electric wire 35.Kept by elastic sealing element 36 around the electric wire 35, the sealing part is put into receiving box 32 when plug 33 is installed, be provided with elastic packing rib 37 around the seal, the sealing rib can with receiving box 32 in towards its wall foaming sealing function jointly.Except that receiving box 32, plug-in unit 20 also is provided with guide channel 38, this passage is used for partly holding and importing the detector tube 41 that belongs to adjuster-light fixture, this pipe belong to unshowned be installed in adjuster-light fixture 40 near the conservation regulator in the zone of door, can be used for regulating temperature in the conventional refrigeration chamber 14 by adjusting knob 42 above-mentioned conservation regulators.The relative with adjusting knob 42 of adjuster light fixture has lighting device 43 from door place far away, and this lighting device is made up of the removable reflector 44 and the unshowned incandescent lamp that is covered by translucent cover 45 of this example that are arranged on the lighting device base plate.Above-mentioned lighting device 43 bottoms with reflector 44 opposite external side on a strip dog 46 is arranged, the free end of hook deviates from adjusting knob 42.At the receiving opening 47 that is provided with the hold-down screw 48 that is used for packing near adjusting knob 42, the zone relative with strip dog 46.The below of lighting device 43 bottoms, between strip dog 46 and receiving opening 47, be provided with a receiving unit 49, the retainer 50 of plug-type removably is loaded in the above-mentioned receiving unit, be provided with the spring contact that is used to be electrically connected in the retainer 50, these spring contacts are used for realizing being electrically connected with incandescent lamp on the one hand, are used on the other hand linking to each other with the electric wire of guiding conservation regulator into.

For adjuster-light fixture 40 is fixed on the internal box 17, in first installation step, and then just plug-in unit 20 is fixed on the internal box 17 after processing through hole 18.Wherein, plug 33 is installed and the plug-in unit 20 of the electric wire 35 that is attached thereto and its retainer 23 are positioned to make the intake section 25 of retainer 23 and retainer to be in the front of ledge 19 with respect to through hole 18.For fixing, plug-in unit 20 is moved along the direction of arrow (opening towards conventional refrigeration chamber 14), the intake section of retainer 23, the transport portion that is right after this part and last pinch zones are tightly cooperated with ledge 19 clampings with locking.In this case, align seal land 22 that the locked position of determining the position seals and be close to the outside of the foaming face of the internal box in the fringe region of through hole 18, by means of the plate washer at the flange 29 bossing back sides latch position of correctly locating can be determined through hole 18 on the long and narrow limit of above-mentioned flange.Be fixed on the internal box 17 at the bevelled flange 28 of this band of position, therefore, the combination by retainer 23 and

flange

28 and 29 not only makes plug-in unit 20 all be fixed in the locking direction but also in vertical direction.After being fixed on plug-in unit on the internal box 17,, therefore, for example after housing 11 bubbling process, said modules can be fixed on the internal box 17 for adjuster-light fixture 40 also provides the installation measure.For this reason, the retainer 50 that will be furnished with spring contact 51 is installed in a distance, plug 33 the place ahead, in this assembling, will contact adjuster and be installed in the groove 31, and be positioned at the place ahead of pole 30 with free-ended strip dog 46.By adjuster-light fixture 40 is moved along internal box 17 in the direction of arrows, utilize the following clamp (Untergreifen) of pole 30 can make 33 staggered cooperations of retainer 50 and socket by strip dog 46 simultaneously, make lighting device thus and contact adjuster that to pass through electric wire 35 continuous.In order at last adjuster-light fixture 40 to be fixed on the internal box 17, hold-down screw 48 to be packed in the accommodation hole 47, and then be screwed in the internal box 17.

Claims

1, the refrigerator that has insulated case, it is made up of the internal box in the useful space of outer case, heat insulation layer and all cooling chambers of delimitation, the lighting device that is used to illuminate the inner space is housed on the internal box, it is characterized in that: internal box (17) has a through hole (18), this through hole is covered by the plug-in unit (20) of side thermal insulation, plug-in unit is provided with electrical connector (34) and is used for fixing the member of lighting device (40), by means of moving along plug-in unit (20) long axis direction, lighting device can be fixed on the plug-in unit (20), lighting device is linked to each other with electrical connector (34).

2, refrigerator as claimed in claim 1 is characterized in that plug-in unit (20) being fixed on the edge that does not take of through hole (18) by a bayonet type locking member, and above-mentioned locking direction is along the long axis direction trend of plug-in unit (20).

3, refrigerator as claimed in claim 2, the bayonet type locking member that it is characterized in that plug-in unit (20) be arranged on through hole (18) along on the edge of long axis direction trend.

4, as each described refrigerator among the claim 1-3, it is characterized in that by stopper element plug-in unit (20) shape is remained in the locking device suitably and the locked position at the locking device back side in.

5,, it is characterized in that plug-in unit (20) along the opening direction of useful space (14) the plug-in unit locked position of packing into as each described refrigerator in the claim 1 to 3.

6, as each described refrigerator among the claim 1-3, it is characterized in that being used for lighting device (40) be fixed on member on the plug-in unit (20) resemble the bayonet socket with lighting device (40) on stopper element concur.

7, as each described refrigerator among the claim 1-3, it is characterized in that the member that is used for lighting device (40) is fixed on the plug-in unit (20) is an independent geometrical clamp (30) at least, the stop boss (46) on the lighting device (40) and said fixing folder shape matches and/or power engagement ground concurs with respect to the major axis of plug-in unit (20).

8, as each described refrigerator among the claim 1-3, it is characterized in that plug-in unit (20) has is used for long recess (31) adiabatic, that be provided with along plug-in unit (20) long axis direction together, one end of groove is provided with the receiving box (32) at the long axis direction both-side opening, keeps a plug (33) that is provided with some connectors that are used to be electrically connected (34) along the periphery of receiving box with sealing means.

9,, it is characterized in that plug-in unit (20) has one around the elastic packing rib (22) in the marginal zone that is provided with, be sealed in the last through hole (18) of internal box (17) as each described refrigerator among the claim 1-3.

10, refrigerator as claimed in claim 1, it is characterized in that: lighting device (40) is provided with a receiving unit (49), this part can be used for that shape matches and/or the power engagement fixedly have spring contact (51), can partly pack into retainer (50) in the receiving box (32) at least.

11, as claim 1 or 10 described refrigerators, it is characterized in that: lighting device (40) is equipped with the fixing reflector (44) of detachable.

12, as claim 1 or 10 described refrigerators, it is characterized in that: lighting device (40) is locked on the plug-in unit (20) along plug-in unit locking direction.