CN1278092C

CN1278092C - Thermal-insulation door and heat-insulation box and cold-storage using the thermal-insulation door

Info

Publication number: CN1278092C
Application number: CN 200410039038
Authority: CN
Inventors: 江坂拓南; 田中逸雄
Original assignee: Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Holdings Corp
Priority date: 2003-01-28
Filing date: 2004-01-20
Publication date: 2006-10-04
Anticipated expiration: 2024-01-20
Also published as: HK1066266A1; CN2674047Y; JP2004232887A; CN1517654A

Abstract

To enhance designability of an entire door body of a refrigerator by putting a gloss on the door body to a peripheral edge part. The door body is composed of an outer plate 17 made of transparent resin, resin caps 18, 19 provided on the top and bottom of the outer plate 17, an inner plate 20, a heat insulating material 21 foamed and filled among the outer plate 17, inner plate and resin caps 18, 19. As the outer plate 17 of the transparent resin is molded by injection using acrylic resin as a material to have an approximately U-shaped cross section with a side wall surface 22, a light irradiated to the transparent resin is refracted in a round part of the side face of the door body to have an aesthetic property like a lens in the transparent resin. Accordingly the designability of the peripheral edge part of the door body is improved in comparison with the conventional door body and the designability of the entire door body can be enhanced. (C)2004,JPO&NCIPI.

Description

The heat insulating box and the freezer of insulated door and this insulated door of use

Technical field

The present invention relates to improve the aesthetic property of the insulated door in the heat insulating box of usefulness such as freezer.

Background technology

Recently, because the variation of life style, the value to commodity whether attractive in appearance has a significant impact.Thus, as the spy open shown in the flat 5-288458 communique like that, provide the appearance design on a kind of opposite house surface to improve, thereby met the freezer of client's life style.

Followingly existing freezer is described with reference to accompanying drawing.Figure 10 and Figure 11 are respectively the stereogram and the sectional view of the door of existing freezer.

Door 1 is made of pigmentary resin plate 2 (hereinafter referred to as resin plate), framework 3, inner panel 4 and heat-barrier material 5, and these heat-barrier material 5 foam fillings are in the space that is surrounded by resin plate 2, framework 3 and inner panel 4.Resin plate 2 is dull and stereotyped, and it has hyaline layer 6 and dyed layer 7.Framework 3 is located on whole peripheries of resin plate 2.In addition, whole periphery of resin plate 2 inserts in the insertion portion 8 of the front portion that is contained in framework 3, then, and filling heat-barrier material 5, and make the heat-barrier material foaming.

Utilize this structure, gloss is exposed on the hyaline layer 6 of the front that is positioned at dyed layer 7, make gloss darker simultaneously, can make door 1 attractive in appearance like this.

Yet in above-mentioned existing structure, because resin plate 2 be dull and stereotyped, framework 3 is located on its whole peripheries, so gloss can not reach the periphery edge of door 1, therefore, 1 periphery edge attractive in appearance inadequately.

Summary of the invention

Insulated door of the present invention has outside plate, inner panel, be filled in the heat-barrier material between outside plate and the inner panel and be located at lenticular body on the outside plate.Structure is projected to light on the door in the lenticular body internal refraction, thereby can obtains darker gloss thus.Like this, the aesthetic property of insulated door is good.In addition, heat insulating box of the present invention is to form with the opening portion that this insulated door obstruction has the opening heat insulating box of heat-barrier material.And then freezer of the present invention then is that this heat insulating box and cooling device are combined to form, so aesthetic property is better.

Description of drawings

Fig. 1 is the outside drawing of the freezer of embodiments of the invention;

Fig. 2 A is the longitudinal section of freezer shown in Figure 1;

Fig. 2 B is the refrigeration cycle diagram of the structure of the cooling device of expression freezer shown in Figure 1;

Fig. 3 is the stereogram of the refrigerating-chamber door of freezer shown in Figure 1;

Fig. 4 is the exploded perspective view of refrigerating-chamber door shown in Figure 3;

Fig. 5 is the X-X sectional view of the major part of refrigerating-chamber door shown in Figure 3;

Fig. 6 is the enlarged drawing of the Y part of Fig. 5;

Fig. 7 is the exploded perspective view of the freezer door of embodiments of the invention;

Fig. 8 is the sectional view of major part of the handle standing part of freezer shown in Figure 7;

Fig. 9 is the sectional view of the handle of freezer shown in Figure 7;

Figure 10 is the stereogram of existing freezer door;

Figure 11 is the sectional view of freezer door shown in Figure 10.

The specific embodiment

(embodiment 1)

Fig. 1 is the outside drawing of the freezer of embodiments of the invention 1; Fig. 2 A, Fig. 2 B are respectively the longitudinal section of freezer shown in Figure 1 and the structure chart of cooling device.

Freezer 11 has heat insulating box 12, refrigerating-chamber door (hereinafter referred to as door) 13, vegetable compartment door 14 and the refrigerating chamber door 15 of opening, heat insulating box 12 front openings, its inside is divided into a plurality of zones up and down, forms refrigerating chamber 55, vegetable compartment 56 and refrigerating chamber 57 from top.These can clog the opening surface of opening heat insulating box 12, form heat insulating box with opening heat insulating box 12.In addition, in the inside of the Machine Room 60 of the lower rear that is configured in freezer 11 compressor 61 is installed.Freezer 11 also has refrigeration evaporimeter 52, refrigeration pressure fan 53, freezing with evaporimeter 64 and freezing with pressure fan 65.Condensed device 66 is configured on the bottom surface of freezer 11.

The coolant outlet port 61A of compressor 61 by condensed device 66, is connected with inlet as the three-way switch valve 80 of stream switching part.An outlet of transfer valve 80 by freezing capillary 81, is connected with the inlet of evaporimeter 64.The outlet of evaporimeter 64 by accumulator 82, is connected with the inlet of non-return valve 83.The outlet of non-return valve 83 is connected with the refrigerant inflow entrance 61B of compressor 61.In addition, another outlet of transfer valve 80 by refrigeration capillary 84, is connected with the inlet of evaporimeter 52.The outlet of evaporimeter 52 is connected with the outlet of non-return valve 83, that is, evaporimeter 52 and evaporimeter 64 are connected in parallel with compressor 61, and the outlet of evaporimeter 64 by non-return valve 83, is connected with the outlet of evaporimeter 52.These structures constitute cooling device.

The below action roughly of expression said structure.At first, under the state of drive compression machine 61, utilize transfer valve 80 to switch refrigerant flow, make from the refrigerant inflow evaporator 52 of compressor 61 outputs.That is the state shown in Fig. 2 B dotted arrow 90.This state is called the refrigeration pattern.Under the refrigeration pattern, the refrigerant of discharging from compressor 61, after having carried out well-known state variation, cooling by evaporimeter 82 send, evaporimeter 52 ambient airs.At this moment,,, send in refrigerating chamber 55 and the vegetable compartment 56, make refrigerating chamber 55 and vegetable compartment 56 coolings by the air-supply effect of pressure fan 53 by the air of evaporimeter 52 coolings.

In addition, under the state of drive compression machine 61, utilize transfer valve 80 to switch refrigerant flow, make the refrigerant inflow evaporator 64 of discharging from compressor 61.I.e. state shown in Fig. 2 B solid arrow 91.This state is called frozen mode.Under frozen mode, the refrigerant of discharging from compressor 61 after having carried out well-known state variation, cooling by evaporimeter 64 send, evaporimeter 64 ambient airs.At this moment,, utilize freezing air-supply effect, deliver to refrigerating chamber 57 with pressure fan 65 by the air of evaporimeter 64 coolings.

Like this, the refrigerated storage temperature carrying space of forming by refrigerating chamber 55 and vegetable compartment 56 and cool off independently of one another by the cryogenic temperature carrying space that refrigerating chamber 57 constitutes.Can only form any one space in refrigerated storage temperature carrying space and the cryogenic temperature carrying space.

Fig. 3 is the stereogram of refrigerating-chamber door 13 shown in Figure 1, and Fig. 4 is the stereogram of the decomposition of door 13, and Fig. 5 be the X-X sectional view of the major part of Fig. 3, and Fig. 6 is the Y enlarged drawing partly of Fig. 5.The structure of the door 13 on the right side of Fig. 3-Fig. 6 presentation graphs 1.The front of door 13 has the handle 16 that forms at above-below direction; The outside plate 17 of transparent resin system; Be located at the resinous lid (hereinafter referred to as lid) 18,19 of the upper and lower of outside plate 17; The inner panel 20 and the heat-barrier material 21 that are oppositely arranged with outside plate 17.Inner panel 20 is to be made by acrylonitrile, butadiene, cinnamic EVA synthetic resin such as (ABS).Heat-barrier material is made by polyurethane etc., by foam filling at outside plate 17, inner panel 20 and between covering 18,19 and form.

Outside plate 17, is made by injection moulding as material with acrylic resin.It has front side wall 17A and the sidewall 22 that is connected with it, is U font ground global formation with the cross section.Sidewall 22 forms smoothly to have the mode that goes up continuous garden shape shape from the flection part 17B of front side wall 17A.About be provided with the reinforcing member 24 that prolongs on the sidewall 22 at outside plate 17, reinforcing member has flange 23, is used to lay inner panel 20.That is: reinforcing member 24 is located between sidewall 22 and the inner panel 20, and flange 23 is connected with inner panel 20.In addition, reinforcing member 24 is the structures of separating with outside plate 17.Both connect with sidewall 22, and the outer surface 25 of the sidewall 22 of outside plate 17 makes identical flat shape with the outer surface 27 of the sidewall 26 of reinforcing member 24.In addition, the front end 28 of sidewall 22 without claw, but embeds in the recess 29 of insertion reinforcing member 24.Reinforcing member 24 has the foot 30 from flange 23 towards vertical direction.When in the outside plate 17 of packing into, foot 30 forms in the mode along the inner face 17C of the inner face 22A of sidewall 22 and front side wall 17A.The jog 32 that waveform is arranged on the inner face 17C of wall 17A in front has in its surface and has carried out the dyed layer 31 that Ren Yi Tu applies.In addition, also jog 32 or dyed layer 31 can be set on the inner face 22A of sidewall 22.

After outside plate 17 and reinforcing member 24 assemblings, on the stuck-at-8,19, then, make heat-barrier material 21 fillings foaming, and cover inner panel 20.By this assembled in sequence door 13.

In the door 13 of the freezer of above such formation, be incident on the light on the outside plate 17 that constitutes by transparent resin, by dyed layer 31 reflections,, enter in user's the eye once more by outside plate 17.

The transmitance of the light of outside plate 17 (transparency) can freely be set.Preferably, the transmitance of the light of outside plate 17 is 90%, and the reflectivity of dyed layer 31 is 50%.Like this, decay to 40% approximately, enter user's eyes from the wide of surperficial incident.Thus, it is darker that the user feels to form the gloss of outside plate 17 of hyaline layer.

In addition, in the present embodiment, the front side wall 17A of outside plate 17 and sidewall 22 are integral.Thus, be projected to the light on the outside plate 17, on the flection part 17B of outside plate 17, reflect, in outside plate 17, form sensation as lens.That is: flection part 17B constitutes lens component.Like this, with relatively existing, the aesthetic property of the periphery edge of door is better, and the aesthetic property of whole door is also better.

In addition, because door 13 be an outside plate 17 and to form heat-barrier material 21 partly as thermal insulation layer integrally formed,, can prevent to adhere to caking on the surface of outside plate 17 so do not form the gap at

outside plate

17 and 21 in heat-barrier material.

In addition and since outside plate 17 be by with acrylic resin as material, constitute with injection moulding, with extrusion modling relatively, the dimensional accuracy height after the moulding.

In addition, about be provided with on the sidewall 22 at outside plate 17 reinforcing member 24 that prolongs, has the flange 23 that is used to lay inner panel 20.Therefore, the intensity of door 13 increases.In addition, owing to be provided for laying the flange 23 of inner panel 20 in reinforcing member 24, therefore door 13 is made easily.

In addition, because reinforcing member 24 and the structure of outside plate 17 for separating when sidewall 22 moulding that make outside plate 17 with injection, do not produce the transition cutting part.Therefore, oppose side wall 22 does not need to use movable metal die, during manufacturing, can not damage the aesthetic property of the transparent part of outside plate 17.

Reinforcing member 24 also has from the foot 30 of flange 23 to vertical direction.Foot 30 can prevent sidewall 22 distortion of outside plate door 17 when filling heat-barrier material 21 and foaming.In addition, because foot section 30 contacts with heat-barrier material 21 reliably,, also can keep and improve the intensity of whole door 13 even reinforcing member 24 and outside plate 17 are separated manufacturing.

In addition, the outer surface 25 of the sidewall 22 of outside plate 17 makes identical flat shape with the outer surface 27 of the sidewall 26 of reinforcing member 24.Therefore, do not have step on the

outer surface

25,26 as the mating surface of

sidewall

22,26, the aesthetic property of side wall surface is good.Again owing to be identical flat shape, be located at the simple shape of bonding part of

lid

18,19 of the upper and lower of outside plate 17, can improve the operation when assembling.

In addition, because the front end 28 of the sidewall 22 of outside plate 17 is without claw, but insert plug-in type in the recess 29 of reinforcing member 24, therefore simple in structure, cost is low, assembling simultaneously easily, the operation raising.

In addition, on the inner face 17C of outside plate 17 or inner face 22A, make the jog 32 of waveform, have in its surface and carried out the dyed layer 31 of coating arbitrarily.Be incident upon the light on the outside plate of being made by transparent resin 17, through the reflection of jog 32 flexings and dyed layer 31, manifesting has relief style and color.In addition, dyed layer 31 with the color formation of hobby, when productivity improves, by transparent outside plate 17, has dark sensation after outside plate 17 moulding.In addition, by forming jog 32, when filling heat-barrier material 21 and foaming, can prevent outside plate 17 distortion.

In the present embodiment, door 13 has been described, too to vegetable compartment door 14, refrigerating chamber door 15.In addition, according to demand, also dyed layer 31 can be made into multiple color, color matching and style etc. are added on the front of outside plate 17.

In the present embodiment, illustrated with acrylic resin and made material, the outside plate 17 of the transparent resin system made from injection moulding.In addition, it is also passable to make material with transparent resins such as styrene resin, ABS resin, PP, PE, Merlon, PVC, and it is also passable to make material with glass.In addition, outside plate 17 is injection molding, but extrusion modling also can.In this case, outside plate 17 and reinforcing member 24 are shaped to one, and assembly process reduces, and cost can reduce.

(second embodiment)

Fig. 7 be the second embodiment of the present invention freezer the door exploded view, Fig. 8 is the sectional view of the major part of handle standing part, Fig. 9 is the sectional view of handle.The structure identical with embodiment 1 omitted its detailed description with identical symbolic representation.

The other end in the hinge mounting portion of outside plate 17 (be provided with among the figure and illustrate) is provided with the hole 33 that handle 16 is installed usefulness in two places up and down.Handle 16 has the decoration element 36 of resinous basic handle 34, metal enhancing handle 35 and transparent resin system.

Handle 16 utilizes Screw 38, by hole 23, is fixed on the handle fixed component 37.The hole 33 of work on the housing 17 of transparent resin system utilizes Laser Processing or NC to be processed to form.Like this, after the processing, on outside plate 17, there is not residual stress.

Basis handle 34 has the roughly the same base station part 39 of thickness and outside plate 17, in the substantial middle portion of base station part 39, makes the hole 39A of Screw 38 perforations.In addition, the cross section of decoration element 36 makes convex, with the foremost interior surface opposing 36A of handle 16 on, be provided with the dyed layer 40 that has carried out coating.

Handle 16 is assembled in the following order.Identical with embodiment 1, after finishing door 13, the base station part 39 of basic handle 34 is configured in the hole 33.In addition, will strengthen handle 35 with Screw 39 and basic handle 34 is tightened on the handle fixed component 37.

Basis handle 34 has the roughly the same base station part 39 of thickness of thickness and outside plate 17, because in base station part 39 embedded holes 33, in the time will strengthening handle 35 and basic handle 34 with Screw 38 and be tightened on the handle fixed component 37, tighten stress and be not added in the hole 33 of outside plate 17.Therefore, stress is not added near the transparent resin of the outside plate 17 the hole 33 partly, when assembling handle 16, can not produce distortion in appearance, can not damage aesthetic property yet.

In addition, because handle 16 is installed in certain free degree is arranged on the outside plate 17, therefore can use the multiple handle that meets client's life style.

Because the cross section of the decoration element 36 of transparent resin system makes convex, the transparent resin member of the cross section convex of handle 16 fronts has the effect of lens, can obtain darker gloss.That is: decoration element 36 constitutes lens component.

In addition, because the cross section that dyed layer 40 is arranged on decoration element 36 is on the inner surface 36A of convex, the cross section that is incident on the front of handle 16 is the light on the transparent resin member of convex, by the coat side reflection, can obtain darker gloss.Color by changing coating, style etc. can be corresponding with design flexible easily.

Claims

1. an insulated door is characterized in that, comprising:

Outside plate with front side wall and the sidewall that is connected with described front side wall;

The inner panel that is oppositely arranged with described outside plate;

Be filled in the heat-barrier material between described outside plate and the described inner panel; And

Be located at the lenticular body on the described outside plate, wherein,

Described lenticular body is the flection part that is arranged between described front side wall and the described sidewall, or set cross section is the transparent decorative element of convex on the part of the foremost of the handle on the outer surface of the described front side wall that is installed on described outside plate.

2. insulated door as claimed in claim 1 is characterized in that,

Also comprise prolonging and be provided with, have the flange that is connected with described inner panel, be arranged at the reinforcing member between described sidewall and the described inner panel along the described sidewall of described outside plate.

3. insulated door as claimed in claim 2 is characterized in that,

Described reinforcing member is different parts with described outside plate.

4. insulated door as claimed in claim 2 is characterized in that,

Described reinforcing member has the described inside surface of side wall along the inner surface of the front side wall of described outside plate and described outside plate, the foot that forms from described flange towards vertical direction.

5. insulated door as claimed in claim 2 is characterized in that,

With the outer surface setting of the sidewall of the outer surface of the sidewall of described outside plate and described reinforcing member at grade.

6. insulated door as claimed in claim 2 is characterized in that,

On described reinforcing member, recess is set, inserts in the described recess, described reinforcing member and described outside plate are made up by front end with the described sidewall of described outside plate.

7. insulated door as claimed in claim 1 is characterized in that,

Described lenticular body is the flection part that is arranged between described front side wall and the described sidewall,

Described outside plate is transparent, also has the dyed layer that is provided with on the inner surface of the described front side wall of described outside plate and at least one wall in the described sidewall.

8. insulated door as claimed in claim 1 is characterized in that,

Described outside plate is transparent, on the inner surface of the described front side wall of described outside plate and at least one wall in the described sidewall jog is set.

9. insulated door as claimed in claim 1 is characterized in that,

Described lenticular body is the flection part that is arranged between described front side wall and the described sidewall, also comprises:

Handle, this handle have base station part on the outer surface of the described front side wall that is installed in described outside plate, that thickness equates with the described front side wall thickness of described outside plate; With

The fixed component of fixing described handle, this fixed component are arranged on the inner surface of described front side wall of described outside plate,

On described outside plate, be provided with and the corresponding hole of described base station part, simultaneously, described abutment portion branch is configured in the described hole fixing described handle.

10. insulated door as claimed in claim 1 is characterized in that,

Described lenticular body is that cross section set on the part of the foremost of the handle on the outer surface of the described front side wall that is installed on described outside plate is the transparent decorative element of convex,

Described handle also has the dyed layer on the inner surface that is located at the described decorative element relative with the foremost of described handle.

11. a heat insulating box is characterized in that, comprising:

Opening heat insulating box heat-barrier material, that have opening surface is arranged; With

Stop up the insulated door of the opening surface of described opening heat insulating box, this insulated door has:

Have front side wall and the sidewall that is connected with described front side wall outside plate,

Be arranged on described outside plate facing surfaces on inner panel,

Be filled in heat-barrier material between described outside plate and the described inner panel, and

Be arranged on the lenticular body on the described outside plate, wherein,

12. a freezer is characterized in that, comprising:

Heat insulating box and

Cool off the cooling device in the described heat insulating box,

This heat insulating box has:

Be arranged on described outside plate facing surfaces on inner panel,

Be arranged on the lenticular body on the described outside plate, wherein,