CN1133059C - Refrigerator - Google Patents

Abstract

The present invention discloses a bottom cooling refrigerator with simple structure, it is convenient in maintain and can insure the high seal property. An insulating partitioning wall is mounted previously in the forming process of an insulating box body while both side rims of the insulating partitioning wall are adhered and fixed strongly to the inside wall of an inner box by the foaming pressure of expandable insulating material. A cooler, an evaporation cover fixed with fan and a baffle unit for storing baffle device in a heat insulation body are incorporated into an incorporating space formed behind the insulating partitioning wall. The baffle unit forms the cold air supply pipeline and the upper pipeline forming component disposed on the inner wall of a freezing chamber forms the upper cold air pipeline.

Description

Refrigerator

The present invention relates to refrigerating chamber is configured in the so-called bottom cooled refrigerator of foot in the body of thermal insulating box, relate in particular to the package assembly of cooler circumferential component.

In the domestic refrigerator, normally refrigerating chamber is configured in middle level or upper strata, in recent years, also developed refrigerating chamber be configured in lower floor, the so-called bottom cooled refrigerator of middle level as vegetable compartment.In this case, in refrigerator, cooler and circumferential component thereof (by the cold air circulation mechanism of formations such as fan assembly, cool-air feed pipe, air door (ダ ニ パ) device) are provided in the internal face part (inner face side of interior case) of refrigerating chamber.But, in above-mentioned bottom cooled refrigerator, because in the rear side bottom of body, the Machine Room that compressor etc. is housed is being set, so, must be with the equipping position of cooler and fan assembly etc. correspondingly toward the top changing of the relative positions.Therefore, must cooler and fan assembly etc. be set crossing over the adiabatic partition wall height place up and down of separating vegetable compartment and refrigerating chamber up and down.

Therefore, in the cooled refrigerator of existing bottom, for example Japanese kokai publication hei 8-247638 communique has disclosed a kind of refrigerator structure.The part of this structure in body of thermal insulating box 51, is provided with refrigerating chamber 52, vegetable compartment 53, refrigerating chamber 54 as shown in Figure 8 from top to bottom successively.At the inner wall part of body of thermal insulating box 51, be equivalent to the intermediate altitude part of vegetable compartment 53, be provided with the outstanding wall 55 outstanding towards the place ahead, below this outstanding wall 55, constitute cooler chamber 56, constitute cold air path 57 up.

In cooler chamber 56, setting cooler 58 and blower fan 59, for their assembling, be divided into two parts separating the adiabatic partition wall of vegetable compartment 53 with refrigerating chamber 54, become and be positioned at the 2nd partition wall 60 that the 1st anterior partition wall (figure does not show) and side are the L font.The 2nd partition wall 60 is positioned at the rear portion, and constitutes the first half of the front wall portion of cooler chamber 56.Wherein, the 1st partition wall of front portion is installed on the body of thermal insulating box 51 in advance, utilizes the 2nd partition wall 60 to vacate the space of part, carry out the assembling operation of cooler 58 and fan assembly 59.Then, the 2nd partition wall 60 at rear portion is installed, is constituted whole adiabatic partition wall.

On the top of above-mentioned outstanding wall 55, be provided with air door assembly 61.Between the back wall face of this air door assembly 61 and body of thermal insulating box 51, constitute the bottom of cold air path 57, have air door 61a on the way.With the top of this air door assembly 61 conjointly, be provided with pipeline and form parts 62, this pipeline forms the top of formation cold air path 57 between the back wall face of parts 62 and body of thermal insulating box 51.On outstanding wall 55, form the intercommunicating pore 55a that cooler chamber 56 is communicated with cold air path 57.Like this, by cold air path 57, supply to refrigerating chamber 52 and vegetable compartment 53, at this moment, regulate its throughput by air door 61a from the cold air of cooler chamber 56.

But, in the above-mentioned existing structure, the structure more complicated of outstanding wall 55 and cooler chamber 56 etc., its assembleability may not be good.In addition, when repairing,, just can not carry out the maintenance, part exchanging of cooler 58 grades etc., so maintainability is poor as not taking off the 2nd partition wall 60 earlier.

Especially in the structure that outstanding wall 55 is located at integratedly on the body of thermal insulating box 51, on the interior case 51a of the internal face that forms body of thermal insulating box 51, have bigger concavo-convex, case 51a distortion in foaming pressure during urethane fat (ウ レ ニ) foaming can make, distortion etc., in order to prevent this point, must add the material thickness of imperial palace case 51a, thereby raise the cost.In addition, in order on outstanding wall 55, to form intercommunicating pore 55a, the sealing that when urethane fat foams, need bother.

Because in vegetable compartment 53 and refrigerating chamber 54, the temperature band is very different, so require sealing highly between the circumference of the adiabatic partition wall that their are separated and body of thermal insulating box 51 (the interior case 51a) internal face.But, above-mentioned spy opens in the technology of flat 8-247638 communique announcement, the 1st partition wall in the adiabatic partition wall, when the urethane ester foaming of body of thermal insulating box 51, install in advance, though obtain connecting airtight property of height and anchorage between the 1st partition wall side edge part and the body of thermal insulating box 51 by means of the foaming pressure energy, but, because the 2nd partition wall 60 is releasably to install after the foaming operation of the adiabatic material of foaming, so, connecting airtight property between the 2nd partition wall 60 and the body of thermal insulating box 51 is little, can not obtain enough sealings, other seal will be set for this reason, take the effective seal countermeasure.

The present invention makes in view of the above problems, its purpose is to provide a kind of refrigerator, this refrigerator is the so-called bottom cooled refrigerator of the internal face side in body of thermal insulating box cooler and cold air channel setting, its simple structure, assembleability, maintainability are good, and, can guarantee the high leakproofness between adiabatic partition wall and the body of thermal insulating box internal face.

To achieve these goals, the present invention takes following technical scheme:

A kind of refrigerator, be separated into top and the bottom by adiabatic partition wall in the body of thermal insulating box, in this body of thermal insulating box lower layer part refrigerating chamber is set, the top of the adiabatic partition wall in the above-mentioned body of thermal insulating box is separated part again and is divided into top and the bottom, and be provided with lower floor's storeroom on this thermal insulation partition wall top at least and be positioned at the upper strata storeroom of this lower floor storeroom top, it is characterized in that:

Internal face side in body of thermal insulating box, assembling space portion on the part between the rearward end that is formed at described adiabatic partition wall and this body of thermal insulating box inner face, have to be arranged on and cross over cooler and the cold air path that above-mentioned adiabatic partition wall is highly located up and down, this cold air path extends up and down along this internal face, and the cool-air feed from cooler is arrived above-mentioned each storeroom;

Above-mentioned cold air path is made of cool-air feed pipeline and top cold duct: described cool-air feed pipeline is the front face that covers assembling space portion by the gate cell of keeping watch, and be located at lower floor's storeroom inner wall part, and extend upward from the front face of described cooler and to form, above-mentioned air door unit is assembled into throttle setting in the heat insulator and constitutes;

Described top cold duct is by upper pipe being formed the inwall face that parts and the upper end of air door unit conjointly are located at the upper strata storeroom, and and the back wall face of body of thermal insulating box between the edge extend up and down and form.

Described refrigerator is characterized in that, the bottom at upper pipe formation parts is provided with the junction surface that engages with the air door unit, and this junction is in lower floor's storeroom.

Described refrigerator is characterized in that, separates the separating part of lower floor's storeroom and upper strata storeroom, forms parts and the assembling back installation of air door unit in upper pipe.

Described refrigerator is characterized in that, is provided with the space between below upper end, air door unit and separating part, and thus, this air door unit can be from the front face side loading and unloading of lower floor's storeroom.

Described refrigerator is characterized in that, lower floor's storeroom is a vegetable compartment, and the upper strata storeroom is a refrigerating chamber.

A kind of refrigerator, the body of thermal insulating box inside of opening in front, be separated into several different storerooms of temperature band up and down by adiabatic partition wall, internal face side in described body of thermal insulating box, crossing over described adiabatic partition wall height and position up and down, be provided with cooler and the cold air circulation mechanism that is used to send cold air device cold air, it is characterized in that:

Be installed in state in the described body of thermal insulating box at described adiabatic partition wall, the parts that will constitute described cooler and cold air circulation mechanism are being assembled by the assembling space portion that forms between this body of thermal insulating box inner face and this thermal insulation partition wall rearward end.

Described refrigerator, it is characterized in that, cold air circulation mechanism has and will separate and be with the evaporation lid of fan installation portion before and after cool-air feed pipeline and the cooler, this evaporation lid can be installed with fan state at the fan installation portion, embeds from the storeroom side on adiabatic partition wall top to be assembled in the assembling space portion.

Described refrigerator is characterized in that, by the storeroom side from the bottom of adiabatic partition wall protecgulum is installed, and cold air circulation mechanism is formation cool-air feed pipeline between above-mentioned protecgulum and evaporation lid.

Described refrigerator is characterized in that, cold air circulation mechanism has the air door unit that is assembled into throttle setting and constitutes, and the air door unit can embed from the storeroom side on the top of adiabatic partition wall and be assembled in the assembling space portion.

Described refrigerator is characterized in that, the upper side of adiabatic partition wall is separated part again and is divided into several storerooms up and down, and the air door unit can be at the state that described separating part is installed with, from the storeroom loading and unloading of its underpart side.

Described refrigerator is characterized in that, the storeroom in the body of thermal insulating box is made of the refrigerating chamber of the lower side of adiabatic partition wall, upper side refrigerating chamber and the vegetable compartment up and down that be located at adiabatic partition wall.

Refrigerator of the present invention, about being separated into by adiabatic partition wall in the body of thermal insulating box, in this body of thermal insulating box lower layer part refrigerating chamber is set, the upper side of the adiabatic partition wall in above-mentioned body of thermal insulating box, be separated again the part be divided into about, lower floor's storeroom and the upper strata storeroom that is positioned at its top on this thermal insulation partition wall top are set at least, it is characterized in that; Internal face side in body of thermal insulating box, in the assembling space portion that is formed between adiabatic partition wall rearward end and the body of thermal insulating box inner face, have to be arranged on and cross over cooler and the cold air path that adiabatic partition wall is highly located up and down, this cold air path extends up and down along this internal face, and the cool-air feed from cooler is arrived above-mentioned each storeroom;

Above-mentioned cold air path is made of cool-air feed pipeline and top cold duct;

The cool-air feed pipeline be by the gate cell of keeping watch clog assembling space portion front face be located at lower floor's storeroom inner wall part, and extend upward from the front face of cooler and to form, above-mentioned air door unit (ダ Application パ ユ ニ Star ト) is assembled into throttle setting in the heat insulator and constitutes;

The top cold duct is by upper pipe being formed the inwall face that parts and the upper end of air door unit are located at the upper strata storeroom continuously, and and the back wall face of body of thermal insulating box between the edge extend up and down and form.

Like this, cold air path, be to be located at the inner wall part of lower floor's storeroom and upper pipe is formed the inner wall part that parts are located at the upper strata storeroom by the gate cell of keeping watch to form from each storeroom of cool-air feed of cooler.At this moment, outstanding wall etc. needn't be set at the inner wall part of body of thermal insulating box, in other words, not form big concavo-convexly in the backing portion of body of thermal insulating box, can form the cold air path that extends upward from cooler.

In addition, be installed in state in the body of thermal insulating box, cooler and air door unit can be assembled in the assembling space portion between body of thermal insulating box inner face and the adiabatic partition wall rearward end at adiabatic partition wall.Therefore, be located at when crossing over cooler that adiabatic partition wall highly locates up and down etc., will be divided into two parts and post processing thereof by adiabatic demarcation strip, the operation of can after being assembled in the body of thermal insulating box in advance, foaming again to adiabatic partition wall in assembling.

In addition, refrigerator of the present invention, the body of thermal insulating box inside of opening in front, be separated into several different storerooms of temperature band up and down by adiabatic partition wall, internal face side in body of thermal insulating box, cross over adiabatic partition wall height and position up and down, be provided with cooler and the cold air circulation mechanism that is used to send cold air device cold air; It is characterized in that, can be installed in state in the body of thermal insulating box, cooler and the parts that constitute cold air circulation mechanism are assembled in the assembling space portion that is formed between body of thermal insulating box inner face and the adiabatic partition wall rearward end at adiabatic partition wall.

Like this, be installed in state in the body of thermal insulating box, between this body of thermal insulating box inner face and adiabatic partition wall rearward end, formed assembling space portion, cooler and the parts that constitute cold air circulation mechanism can be assembled into this assembling space portion at adiabatic partition wall.Therefore, be located at when crossing over adiabatic partition wall highly the cooler at place and cold air circulating mechanism up and down, will be divided into two parts and post processing thereof by adiabatic partition wall in assembling, can be assembled in adiabatic partition wall in the body of thermal insulating box in advance after, the operation of foaming again.

Good effect of the present invention:

As mentioned above, refrigerator of the present invention, be at the so-called bottom of body of thermal insulating box Nell wall face side cooled refrigerator cooler and cold air channel setting, owing to form the cold air path that constitutes by cool-air feed pipeline (forming) and top cold duct (forming parts by upper pipe forms) by the air door unit, so simple structureization improves assembleability and maintainability.And, can guarantee the high leakproofness between adiabatic partition wall and the body of thermal insulating box internal face, have good practical function.

In addition, refrigerator of the present invention, crossing over adiabatic partition wall height and position up and down, be provided with cooler and cold air circulation mechanism, between this body of thermal insulating box inner face and this thermal insulation partition wall rearward end, form assembling space, can be installed in state in the body of thermal insulating box at adiabatic partition wall, the parts of cooler and formation cold air circulation mechanism are assembled in this assembling space, so, can guarantee the high leakproofness between adiabatic partition wall and body of thermal insulating box internal face, improve assembleability and maintainability simultaneously, have good practical function.

Following with reference to accompanying drawing, describe embodiments of the invention in detail:

Fig. 1 represents one embodiment of the invention, is its vertical profile side view of wanting portion.

Fig. 2 is the vertical profile side view of refrigerator.

To be expression be assembled in stereogram in the body of thermal insulating box to cold air circulation mechanism etc. to Fig. 3.

Fig. 4 is the exploded perspective views of each parts of expression when assembling with respect to body of thermal insulating box.

Fig. 5 is the exploded perspective view of air door unit and evaporation lid.

Fig. 6 is that portion's stereogram is wanted when assembling in expression evaporation lid and air door unit.

Fig. 7 is the cross-section top view of top cold duct part.

Fig. 8 be the expression conventional example want portion's vertical profile side view.

Below, referring to figs. 1 through Fig. 7 one embodiment of the invention are described.Among Fig. 2, roughly represent the structure of body 1 of the bottom cooled refrigerator of present embodiment.Body 1 is in the lengthwise rectangular box shape body of thermal insulating box 2 of opening in front, and being provided with up and down, three layers of storeroom constitute.Above-mentioned body of thermal insulating box 2, as is generally known, be in plastics system between case 3 and the steel plate system outer container 4, constitute with foamed thermal insulating 5 such as so-called foam-in-place mode filling urethane foam.

Three layers of storeroom in the body 1, orlop are as refrigerating chamber 8, are separated at an upper portion thereof as the refrigerating chamber 6 of upper strata storeroom with as the vegetable compartment 7 of lower floor's storeroom again.Wherein, the volume of refrigerating chamber 6 (short transverse size) maximum.

Above-mentioned refrigerating chamber 6 and vegetable compartment 7 all form about 3 ℃ temperature band, about being divided into by separating part 9 between two Room.This separating part 9 is made of the spacer body 9a of toe lateral and the plastics system base plate 9b of rear portion side shown in Fig. 3 etc., in spacer body 9a, is setting various parts of electric, distribution, dew eliminating tube etc.On separating part 9, be provided with water supply unit 10 (seeing Fig. 3 and Fig. 4), this water supply unit 10 supplies water to the automatic ice-making plant that is located at refrigerating chamber 8 internal upper parts (figure does not show).

Refrigerating chamber 8 is set at-18 ℃ temperature band approximately, between vegetable compartment 7 and refrigerating chamber 8, is separated by adiabatic partition wall 11.This thermal insulation partition wall 11 is in the plastics system shell body 11a of about thin type rectangular box shape as shown in Figure 1, and the heat-insulating material 11b that foamed styrene etc. is set constitutes.At the leading section of adiabatic partition wall 11, septation cover 12 is installed, the inside of this septation cover 12 is setting dew eliminating tube etc.

As shown in Figure 4, in the present embodiment, on adiabatic partition wall 11, the position of rearward extending from its right part, rear portion, the chamber of being provided with is with recurrent canal 13 integratedly, and this recurrent canal 13 turns back to cold air the downside of cooler 19 described later from vegetable compartment 7.Therefore, see from above that adiabatic partition wall 11 forms the rectangular-shaped otch of growing crosswise except the position, right part of back portion, this notch portion is described as described later, as assembling space portion 34.

In the front of body 1, be provided with the door 14,15,16 that opens and closes each storeroom 6,7,8.Rear side bottom at body 1 is provided with Machine Room 17.In this Machine Room 17, setting compressor 18, cooling fan, Defrost water evaporating ware (all not shown) of a part that constitutes kind of refrigeration cycle etc.The part of the skewed adiabatic wall of these Machine Room 17 front face side and the bottom of body 1 etc. is separated with body of thermal insulating box 2 and to be constituted and be installed on the casing.

Internal face side (inner face side of interior case 3) in body 1 (body of thermal insulating box 2), cross over adiabatic partition wall 11 about, promptly cross over the position of the height of vegetable compartment 7 and refrigerating chamber 8, the cold air circulation mechanism 20 that is provided with cooler 19 and the cold air that this cooler 19 comes out is sent.At this moment, above-mentioned cooler 19 sets along the inner face of the interior case 3 of body of thermal insulating box 2, and above-mentioned cold air circulation mechanism 20 to top, forms cool-air feed pipeline 29 described later from the toe lateral of cooler 19.

In the internal face side of refrigerating chamber 6, with the upper end of cold air circulation mechanism 20 (cool-air feed pipeline 29) conjointly, form the top cold duct 21 in the cool-air feed refrigerating chamber 6.And, in refrigerating chamber 6, have upper pipe longitudinal, that have a cold air blow-off outlet 22a in the portion that wants on whole and form parts 22 (seeing Fig. 3 and Fig. 4).In addition, in the front upper of these upper pipe formation parts 22, be provided with figure lamp inside the box that does not show and the lamp inside the box installation portion 22b that lampshade is installed.

This upper pipe forms parts 22 as Fig. 1 and shown in Figure 7, and the rear side of the thin plate female cap of making at plastics 36 has the heat-insulating material 37 of styrene etc., in the rear side of this heat-insulating material 37, forms the recess 37a of extension along the vertical direction.At this moment, as shown in Figure 4, at the inner face of interior case 3, form the corresponding shallow installation recess 3a of shape that forms parts 22 (heat-insulating material 37) with upper pipe, as shown in Figure 7, upper pipe forms parts 22, and 3a is being embedded in heat-insulating material 37 at this installation recess.Like this, between the inner face of recess 37a and interior case 3, form top cold duct 21.

Shown in Fig. 4 waited, the bottom at upper pipe formation parts 22 near left-hand portion, was provided with the rectangular-shaped junction surface 38 that engages with aftermentioned air door unit 24 integratedly.On this junction surface 38, form the 38a of rectangular aperture portion that links to each other with the lower end of top cold duct 21 (recess 37a).In addition, as depicted in figs. 1 and 2, in the present embodiment, it is vegetable compartment 7 that this junction surface 38 is positioned at separating part 9 belows.

Below, with reference to Fig. 1 and Fig. 3 to Fig. 6, describe the structure of above-mentioned cold air circulation mechanism 20 parts in detail.Shown in Fig. 1 and Fig. 4 etc., this cold air circulation mechanism 20 has substantially that evaporation covers 23, an air door unit 24, refrigerating chamber protecgulum 25.Wherein, evaporation lid (worker バ カ バ-) the 23rd, with plastic monoblock constitute rectangular-shaped approximately, its Lower Half is the tabular of topped cooler 19 fronts, the coupled first half is the lid shape that bloats towards the place ahead, and interior case 3 inner faces between form spatial portion.

As shown in Figure 5, evaporate the left-hand portion of covering 23 first halves, be provided with horn mouth 23a,, be provided with fan installation portion 27 (see figure 1)s that fan assembly 26 is installed in its inside side at this.In addition, in the present embodiment, cover around 23 first halves front face of the flange portion 23b on (top and about) in evaporation, be provided with several engaging claw 23c, above-mentioned air door unit 24 is managed to make do with taking off and is combined with this engaging claw 23c.This evaporation covers 23 as described later, on the inner face with case 3 in being installed in air door unit 24 all-in-one-piece states, at this moment, on interior case 3, is provided with and fan installation portion 27 corresponding concave part 3b (seeing Fig. 4 and Fig. 6).

Like this, evaporation cover 23 and interior case 3 inner faces between formation accommodate the chamber of cooler 19, when said fans device 26 was driven, air was cooled by cooler 19 from bottom to top, forwards blows out then.At this moment, be used for the cold air of cooling such as food in each storeroom 6,7,8, by comprising above-mentioned V chamber turns back to cooler 19 with the recurrent canal (overall diagram is not shown) of recurrent canal 13 bottom.At the following quadrate part of cooler 19, setting defrosting heater 28 (seeing Fig. 1 and Fig. 2), thereunder portion is provided with and accepts defrost water and make it flow to the water distribution basket 35 of the Defrost water evaporating ware in the Machine Room 17.

As shown in Figure 3 and Figure 4, refrigerating chamber protecgulum 25 be by plastics constitute tabular, as shown in Figure 1, have the cold air blow-off outlet 25a that blows out cold air towards refrigerating chamber 8.This refrigerating chamber protecgulum 25 is positioned at evaporation and covers the place aheads slightly of 23 Lower Halves, to open the form of establishing up and down, is installed between the skewed adiabatic wall of rear side of the rearward end lower face of adiabatic partition wall 11 and refrigerating chamber 8.Like this, refrigerating chamber protecgulum 25 constitutes the back side of refrigerating chambers 8, and, and evaporation cover the bottom part of formation cool-air feed pipe 29 between 25.

As Fig. 1 and shown in Figure 5, above-mentioned air door unit 24 is made of air door lid 30, heat insulator 31, throttle setting 32, rear portion heat insulation material 33.Wherein, heat insulator 31 is made of heat-insulating materials such as foamed styrenes, as shown in Figure 5, has all-in-one-piece base portion 31a and air door resettlement section 31b, the first half of this base portion 31a topped evaporation lid 23 from the front, and evaporation cover the top of formation cool-air feed pipeline 29 between 23 the first half front.Air door resettlement section 31b extends upward from the top portion left side of this base portion 31a.In the rear side of heat insulator 31, form the recess that above-below direction extends, this recess forms cool-air feed pipeline 29.

In the 31b of air door resettlement section, throttle setting 32 is being fixed from the rear side embedding by the middle part place of the recess of side opening overleaf.Rear portion heat insulation material 33 pushing throttle settings 32 rear side with its be pressed in the recess that is fixed on air door resettlement section 31b.Like this, throttle setting 32 is plugged in the middle part (upper part) of cool-air feed pipeline 29.At this moment, between the back side portion of air door resettlement section 31b and the rear portion heat insulation material 33, form the 29a of the export department (see figure 1) of rectangular-shaped cool-air feed pipeline 29.

Above-mentioned throttle setting 32 is air door 32a (see figure 1) and the motor etc. that drives it are assembled in the box body and constitute, and by the switching of air door 32a, the cold air supply of top is supplied with in control from cool-air feed pipeline 29.

It is 30 made of plastic that above-mentioned air door covers, and constitutes topped heat insulator 31 fronts and the shape of periphery up and down.As shown in Figure 5, form flange portion 30a on this air door lid 30, this flange portion 30a covers 23 flange portion 23b and overlaps with tightlock status with evaporating.On this flange portion 30a, form and engaging claw 23c engaging hole engaged 30b.

Like this, assembling the heat insulator 31 of throttle setting 32 and rear portion heat insulation material 33, embedding in the air door lid 30, constituting air door unit 24 from rear side.The flange portion 30a of air door unit 24 by air door lid 30 and evaporation are covered 23 loading and unloading of flange portion 23b and are engaged, and are installed in to evaporate and cover on 23.Like this, as shown in Figure 1, air door lid 30 constitutes the back side of vegetable compartment 7, and, evaporation cover 23 and heat insulator 31 between the top of formation cool-air feed pipeline 29.

Installment state in air door unit 24, the back side portion of the air door resettlement section 31b of heat insulator 31, the front face side that forms the junction surface 38 of parts 22 with upper pipe engages with coincidence status, and the 29a of export department of cool-air feed pipeline 29 overlaps with peristome 38.Like this, cool-air feed pipeline 29 is communicated with the bottom of top cold duct 21, and thus, cool-air feed pipeline 29 and top cold duct 21 constitute the cold air path.

At this moment, as shown in Figure 1, rearward end on above-mentioned adiabatic partition wall 11 forms and embeds recess 11c, and the following 24a of portion of air door unit 24 embeds in this recess 11c.In the present embodiment, the upper end height and position of air door unit 24 than the low preliminary dimension of separating part 9 (base plate 9b), forms space S between air door unit 24 and separating part 9.Like this, in vegetable compartment 7, as shown by arrow A, make air door unit 24, just air door unit 24 can be unloaded towards front side pull operation rotationally.Certainly, can carry out the installation of air door unit 24 with opposite operation.

As described in the explanation of hereinafter assembling procedure, in the present embodiment, the cold air device 19 of above-mentioned structure and cold air circulation mechanism 20 be assembled into carry out in the following order when refrigerator body 1 (body of thermal insulating box 2) goes up, promptly, be installed in state on the body of thermal insulating box 2 in advance at adiabatic demarcation strip 11, for example cooler 19 is assembled into the assembling space portion 34 (seeing Fig. 6 etc.) that constitutes between adiabatic demarcation strip 11 and the interior case 3 from refrigerating chamber 8 sides, then, covering the assembly that air door unit 24 is installed on 23 in evaporation, embed assembling from refrigerating chamber 6 sides by vegetable compartment 7, simultaneously, from refrigerating chamber 8 sides assembling refrigerating chamber protecgulum 25.In addition, to form parts 22 be in being assembled into before the assembling of cooler 19 and cold air circulation mechanism 20 in the case 3 to upper pipe.

At this moment, adiabatic demarcation strip 11 when the formation (foaming operation) of the foamed thermal insulating 5 that constitutes body of thermal insulating box 2, is installed (temporary fixed) in advance to interior case 3 inside.In addition, owing to cover the total length (length dimension) of the short transverse of the assembly that air door unit 24 is installed on 23 in evaporation, height dimension than vegetable compartment 7 is grown (height dimension than refrigerating chamber 6 is little) slightly, so, this assembling operation is to carry out at the uninstalled state of the 9b of base plate at least of separating part 9.Therefore, separating part 9 (base plate 9b) is installed after the assembling of upper pipe formation parts 22 and air door unit 24 (evaporation covers 23).

Below, the effect of above-mentioned structure is described.When the refrigerator body 1 of the above-mentioned structure of assembling, in the formation operation of body of thermal insulating box 2, adiabatic partition wall 11 is installed in advance earlier.Specifically, when making body of thermal insulating box 2, case 3 and outer container 4 in the assembling for example inject urethanes stoste etc. in the spatial portion that is formed at therebetween, in finishing die, make its sclerosis, the adiabatic material of foaming (urethane foam) 5 the state that become filling while foaming.When this foams, the inside of case 3 in advance adiabatic partition wall 11 being installed in.

So, because the foaming of foamed thermal insulating 5 is pressed, interior case 3 is subjected to the power of inboard exapnsion direction in the case, and the both side edges portion of adiabatic partition wall 11 and the madial wall of interior case 3 are connected airtight by brute force, can obtain high leakproofness between them, not need in the processing of back, to seal with the encapsulant of high price.In addition, at this moment, between the rearward end and interior case 3 of adiabatic partition wall 11, can guarantee to assemble the assembling space portion 34 of cooler 19 and cold air circulation mechanism 20.

Upper pipe formation parts 22 are assembled on the installation recess 3a of interior case 3 inner faces, after constituting top cold duct 21, cooler 19 and the parts that constitute cold air circulation mechanism 20 are assembled into the operation in the inside assembling space portion 34 of interior case 3 of body of thermal insulating box 2, as carry out followingly.That is, earlier cooler 19 is assembled along interior case 3 inner faces, the assembling of this cooler 19 according to the openings of sizes of refrigerating chamber 8 and vegetable compartment 7, is carried out from refrigerating chamber 8 sides of adiabatic partition wall 11 downsides or from vegetable compartment 7 sides of upside.

Then, evaporate and cover 23 and the assembling of air door unit 24, at this moment, in advance fan assembly 26 is installed to evaporation and covers on 23 the fan installation portion 27, simultaneously the heat insulator 31 of assembling throttle setting 32 and rear portion heat insulation material 33 is embedded in the air door lid 30, constitute air door unit 24.Then, as shown in Figure 6,, assemble from the refrigerating chamber 6 and vegetable compartment 7 sides of adiabatic partition wall 11 tops covering the assembly that air door unit 24 is installed on 23 in evaporation with embedding.

At this moment,, in interior case 3, do not install as yet under the state of separating part 9, can easily carry out this operation though it is bigger to cover the short transverse size of the assembly that air door unit 24 is installed on 23 in evaporation.And by the assembling of air door unit 24, the upper end of air door unit 24 engages with the junction surface 38 that upper pipe forms parts 22, and cool-air feed pipeline 29 is communicated with top cold duct 21, constitutes the cold air path.

In addition, meanwhile, from refrigerating chamber 8 sides assembling refrigerating chamber protecgulum 25.Then, in interior case 3, assemble separating part 9 etc.Like this, as shown in Figure 1 to Figure 3, at the height and position of the adiabatic partition wall of the leap of body of thermal insulating box 2 Nell wall face sides 11 about, can easily assemble cooler 19 and by the cold air that the fan assembly 26 of the cold air of sending this cooler 19, cool-air feed pipeline 29, throttle setting 32 etc. the constitute mechanism 20 of circulating.According to present embodiment, in the cooled refrigerator of bottom, owing to having formed by top cold duct 21 (this top cold duct 21 is installed upper pipe at interior case 3 inner faces and formed parts 22 and form) and cold air from (this cold duct 29 is in assembling space portion 34 parts to pipeline 29, assemble the air door unit 24 of topped cooler 19 (evaporation cover 23) front face side and formation) the cold air path of formation, so, the structure of cold air path is oversimplified significantly.At this moment, can not need such before outstanding wall 55, in interior case 3, do not need big concavo-convex, thereby can eliminate because of in interior case 3, forming the big concavo-convex problems such as interior carton deformed that cause.

In addition, because cold air circulation mechanism 20 is made of air door unit 24, this air door unit 24 is the evaporation lid 23 of fan assembly 26 to be installed and throttle setting 32 is assembled in the heat insulator 31 and forms blocking, and the top of air door unit 24 from adiabatic partition wall 11 can be embedded, so, being positioned at cooler 10 structure on every side of crossing over adiabatic partition wall height and position about in the of 11 can oversimplify, and improves assembleability simultaneously greatly.

In the present embodiment, needn't unload adiabatic partition wall 11, can easily unload lower wind door unit 24 and evaporate and cover 23, the operation of the maintenance of cooler 19 and cold air circulation mechanism 20, part exchanging etc. is also easy.Improve maintainability.Especially in the present embodiment,, can load and unload air door unit 24 from vegetable compartment 7 owing to needn't unload separating part 9, so, maintainability improved more.

In addition, in the present embodiment, can be in advance adiabatic partition wall 11 being installed in the state in the case 3, the component parts of assembling cooler 19 and cold air circulation mechanism 20, so, will not be divided into two parts and post processing by thermal insulation partition wall 11, can assemble adiabatic partition wall 11 in advance after, carry out the foaming operation of body of thermal insulating box 2.Therefore, the chamber up and down of adiabatic partition wall 11 (vegetable compartment 7 and refrigerating chamber 8) even between the temperature band a great difference is arranged, other sealing material also needn't be set afterwards seal, can guarantee the high leakproofness between adiabatic partition wall 11 and body of thermal insulating box 2 internal faces.

In the foregoing description, be once to be assembled in the assembling space portion 34 covering the assembly that air door unit 24 is installed on 23 in evaporation, but, also can assemble evaporation lid 23 and air door unit 24 that fan assembly 26 is installed respectively, do so also and can improve assembleability.The present invention is not limited to the foregoing description, for example, also the separating part of refrigerated chamber and vegetable compartment can be positioned at the tight top of air door unit.In addition, upper pipe forms parts and air door unit, evaporation lid structure etc., also can do all changes, can suitably change without departing from the spirit and scope of the present invention.

Claims (11)

1. refrigerator, be separated into top and the bottom by adiabatic partition wall in the body of thermal insulating box, in this body of thermal insulating box lower layer part refrigerating chamber is set, the top of the adiabatic partition wall in the above-mentioned body of thermal insulating box is separated part again and is divided into top and the bottom, and be provided with lower floor's storeroom on this thermal insulation partition wall top at least and be positioned at the upper strata storeroom of this lower floor storeroom top, it is characterized in that:

Internal face side in body of thermal insulating box, assembling space portion on the part between the rearward end that is formed at described adiabatic partition wall and this body of thermal insulating box inner face, have to be arranged on and cross over cooler and the cold air path that above-mentioned adiabatic partition wall is highly located up and down, this cold air path extends up and down along this internal face, and the cool-air feed from cooler is arrived above-mentioned each storeroom;

Above-mentioned cold air path is made of cool-air feed pipeline and top cold duct: described cool-air feed pipeline is the front face that covers assembling space portion by the gate cell of keeping watch, and be located at lower floor's storeroom inner wall part, and extend upward from the front face of described cooler and to form, above-mentioned air door unit is assembled into throttle setting in the heat insulator and constitutes;

Described top cold duct is by upper pipe being formed the inwall face that parts and the upper end of air door unit conjointly are located at the upper strata storeroom, and and the back wall face of body of thermal insulating box between the edge extend up and down and form.

2. refrigerator as claimed in claim 1 is characterized in that, the bottom at upper pipe formation parts is provided with the junction surface that engages with the air door unit, and this junction is in lower floor's storeroom.

3. refrigerator as claimed in claim 1 is characterized in that, separates the separating part of lower floor's storeroom and upper strata storeroom, forms parts and the assembling back installation of air door unit in upper pipe.

4. refrigerator as claimed in claim 1 is characterized in that, is provided with the space between below upper end, air door unit and separating part, and thus, this air door unit can be from the front face side loading and unloading of lower floor's storeroom.

5. refrigerator as claimed in claim 1 is characterized in that lower floor's storeroom is a vegetable compartment, and the upper strata storeroom is a refrigerating chamber.

6. refrigerator, the body of thermal insulating box inside of opening in front, be separated into several different storerooms of temperature band up and down by adiabatic partition wall, internal face side in described body of thermal insulating box, crossing over described adiabatic partition wall height and position up and down, be provided with cooler and the cold air circulation mechanism that is used to send cooler cold air, it is characterized in that:

Be installed in state in the described body of thermal insulating box at described adiabatic partition wall, the parts that will constitute described cooler and cold air circulation mechanism are being assembled by the assembling space portion that forms between this body of thermal insulating box inner face and this thermal insulation partition wall rearward end.

7. refrigerator as claimed in claim 6, it is characterized in that, cold air circulation mechanism has and will separate and be with the evaporation lid of fan installation portion before and after cool-air feed pipeline and the cooler, this evaporation lid can be installed with fan state at the fan installation portion, embeds from the storeroom side on adiabatic partition wall top to be assembled in the assembling space portion.

8. refrigerator as claimed in claim 7 is characterized in that, by the storeroom side from the bottom of adiabatic partition wall protecgulum is installed, and cold air circulation mechanism is formation cool-air feed pipeline between above-mentioned protecgulum and evaporation lid.

9. refrigerator as claimed in claim 7 is characterized in that, cold air circulation mechanism has the air door unit that is assembled into throttle setting and constitutes, and the air door unit can embed from the storeroom side on the top of adiabatic partition wall and be assembled in the assembling space portion.

10. refrigerator as claimed in claim 9 is characterized in that, the upper side of adiabatic partition wall is separated part again and is divided into several storerooms up and down, and the air door unit can be at the state that described separating part is installed with, from the storeroom loading and unloading of its underpart side.

11. refrigerator as claimed in claim 1 is characterized in that, the storeroom in the body of thermal insulating box is made of the refrigerating chamber of the lower side of adiabatic partition wall, upper side refrigerating chamber and the vegetable compartment up and down that be located at adiabatic partition wall.

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