CN100398958C - Heat insulation structure for refrigerator - Google Patents
Heat insulation structure for refrigerator Download PDFInfo
- Publication number
- CN100398958C CN100398958C CNB2004100191344A CN200410019134A CN100398958C CN 100398958 C CN100398958 C CN 100398958C CN B2004100191344 A CNB2004100191344 A CN B2004100191344A CN 200410019134 A CN200410019134 A CN 200410019134A CN 100398958 C CN100398958 C CN 100398958C
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- China
- Prior art keywords
- refrigerator
- dividing plate
- heat insulation
- refrigerating chamber
- heat
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Abstract
The present invention provides a refrigerator heat insulation structure which comprises a housing forming the appearance of a refrigerator, an inner shell of a refrigeration chamber / a refrigerating chamber in a refrigerator, a partition board for dividing the refrigerating chamber and the freezing chamber of the refrigerator, an external heat insulation material plugged between the housing and the inner shell, and a partition board heat insulation material plugged in the partition board; an intermediate board for cutting the stress force between the partition board heat insulation material and the external heat insulation material is arranged on the contact surface of the partition board heat insulation material and the external heat insulation material. The structure has the advantage that cracks can be prevented from generating on the heat insulation material of the refrigerator so that the cracks can be prevented from generating on the housing, cracks can be also prevented from generating on the housing of the refrigerator by that the heat insulation structure of the refrigerator is improved, and the appearance quality and the grade sensation of the refrigerator are improved.
Description
Technical field
The present invention is the invention of relevant refrigerator heat insulation structural, particularly by improving between inner casing and the shell and the heat-barrier material shape between refrigerating chamber and the refrigerating chamber, can prevent to produce on the outer case of refrigerator wrinkle, simultaneously, also can improve a kind of refrigerator heat insulation structural of the heat-insulating efficiency of refrigerator.
Background technology
In order to keep the low-temperature condition of refrigerating chamber and refrigerating chamber, usually inserting heat-barrier material formation porous barrier between inner casing and the shell and between refrigerating chamber and the refrigerating chamber, after injecting blowing agent between inner casing and the shell, forming heat-barrier material in the refrigerator.
As shown in Figure 1, traditional refrigerator comprises body 1, refrigerating chamber 3 and refrigerating chamber 2, upward side door 5, following side door 6, dividing plate 4, evaporimeter 8, fan 9, mechanical cavity 7, mechanical cavity dividing plate 10, dividing plate heat-barrier material 12 and insulating back-up material 11 are formed.Body 1 forms the outward appearance of refrigerator; Refrigerating chamber 3 and refrigerating chamber 2 are respectively formed at the upper and lower sides of refrigerator body 1; Last side door 5 opens and closes refrigerating chamber 2, and following side door 6 opens and closes refrigerating chamber 3.Dividing plate 4 is divided refrigerating chamber 2 and refrigerating chamber 3.Evaporimeter 8 is positioned at the back side of refrigerating chamber 3, produces cold air.Fan 9 blows into refrigerating chamber 3 inside to the cold air that evaporimeter 8 produces.Mechanical cavity 7 is formed on the below of evaporimeter 8, and parts such as compressor are set.Mechanical cavity dividing plate 10 is divided mechanical cavity 7 and refrigerating chamber 3.Dividing plate heat-barrier material 12 is formed on the space between the dividing plate 4.Insulating back-up material 11 is formed in the body 1.
Electric refrigerator shelf heat-barrier material and insulating back-up material contact site in Fig. 2 include inner casing 13, shell 14, dividing plate 4, dividing plate heat-barrier material 12 and insulating back-up material 11.Inner casing 13 forms the inner space of refrigerator, and shell 14 forms the outward appearance of refrigerator.Dividing plate 4 is divided into refrigerating chamber and refrigerating chamber to the inner space of refrigerator, and dividing plate heat-barrier material 12 is located in the dividing plate 4, and insulating back-up material 11 is located at the space between inner casing 13 and the shell 14.
In the production process of common refrigerator, the position in 11 contacts of dividing plate heat-barrier material 12 insulating back-up materials makes dividing plate heat-barrier material 12 have rounded shapes.Therefore, insulating back-up material 11 thickness in dividing plate heat-barrier material 12 insulating back-up materials 11 contacts site can change.
Because the thickness difference of insulating back-up material 11, so under the situation of variations in temperature, expansion rate also can be different with shrinkage factor, so insulating back-up material 11 might crack 15.In addition, dividing plate heat-barrier material 12 has curve form, causes surface area to increase, and makes the expansion rate at dividing plate heat-barrier material 12 each position different mutually.Therefore increase the stress of heat-barrier material, deepened the crackle of heat-barrier material.
Because crack in the insulating back-up material 11, cause crackle 15 shell 14 unbalance stress on every side, might on shell 14, produce wrinkle portion 16, under the influence of crackle 15 and wrinkle portion 16, the refrigerating efficiency of refrigerator can descend, and causes reducing the price of refrigerator.
Summary of the invention
In order to address the above problem, to the purpose of this invention is to provide a kind of heat-barrier material that can prevent and the refrigerator heat insulation structural of crackle occurs.
Another object of the present invention prevents to produce on the outer case of refrigerator refrigerator heat insulation structural of wrinkle for a kind of heat insulation structural that improves refrigerator is provided.
To achieve these goals, technical scheme of the present invention provides a kind of refrigerator heat insulation structural, include the shell that forms the refrigerator outward appearance and refrigerator inside freezing/dividing plate of the inner casing of refrigerating chamber, the refrigerating chamber of dividing refrigerator and refrigerating chamber, be inserted in the insulating back-up material between shell and the inner casing and be inserted in the dividing plate heat-barrier material of dividing plate inside, wherein: on the contact-making surface of dividing plate heat-barrier material and insulating back-up material, be provided with and cut off its intermediate plate of stress between the two.
Described intermediate plate is provided with a plurality of through holes that make the blowing agent circulation.
Has flat shape at described dividing plate heat-barrier material with dividing plate heat-barrier material on the position that insulating back-up material contacts.
Beneficial effect of the present invention with said structure is can prevent to crack on the refrigerator heat-barrier material, and then prevents to produce on the shell wrinkle.By improving the heat insulation structural of refrigerator, can also prevent to produce on the outer case of refrigerator wrinkle, improve the exterior quality and the class sense of refrigerator.
Description of drawings
Fig. 1 is the refrigerator front part sectioned view of conventional art;
Fig. 2 is the electric refrigerator shelf heat-barrier material and the insulating back-up material contact site structural profile schematic diagram of conventional art;
Fig. 3 is a refrigerator heat insulation structural profile of the present invention;
Fig. 4 is electric refrigerator shelf heat-barrier material of the present invention and insulating back-up material contact site structural representation;
Fig. 5 is an exemplary construction schematic diagram of intermediate plate of the present invention;
Fig. 6 is electric refrigerator shelf heat-barrier material of the present invention and insulating back-up material contact site generalized section.
Among the figure:
1: refrigerator main body 2: refrigerating chamber
3: refrigerating chamber 4: dividing plate
5: go up side door 6: following side door
7: mechanical cavity 8: evaporimeter
9: fan 10: the mechanical cavity dividing plate
11,26: insulating back-up material 12,25: the dividing plate heat-barrier material
13,23: inner casing 14,24: shell
15: crackle 16: wrinkle
21: intermediate plate 22: through hole
The specific embodiment
Below, the present invention will be described with reference to drawings and Examples.But technological thought of the present invention is not confined in these example ranges, if in basic fundamental thought range of the present invention, also has and much improves one's methods and example, all among the scope of the present invention.
As shown in Figure 3, the refrigerator among the present invention comprises main body 1, upward side door 5, following side door 6, dividing plate 4, evaporimeter 8, fan 9, mechanical cavity 7, mechanical cavity dividing plate 10, dividing plate heat-barrier material 25, insulating back-up material 26 and intermediate plate 21 are formed.Body 1 forms the outward appearance of refrigerator; Last side door 5 is formed on the upside of body 1, opens and closes refrigerating chamber 2.Following side door 6 is formed on the downside of side door 5, opens and closes refrigerating chamber 3.Dividing plate 4 is divided refrigerating chamber 2 and refrigerating chamber 3, and evaporimeter 8 is positioned at the back side of refrigerating chamber 3, produces cold air, and fan 9 blows into refrigerating chamber 3 inside to the cold air that evaporimeter 8 produces.Mechanical cavity 7 is formed on the below of evaporimeter 8, and parts such as compressor are set, and mechanical cavity dividing plate 10 is divided mechanical cavity 7 and refrigerating chamber 3.Dividing plate heat-barrier material 25 is located in the dividing plate 4, and insulating back-up material 26 is formed on the shell 24 of body 1 and the space between the inner casing 23, and intermediate plate 21 is located at the position of dividing plate heat-barrier material 25 and insulating back-up material 26 contact-making surfaces.
On above-mentioned intermediate plate 21, be provided with a plurality of through holes 22.Form in the process of insulating back-up material 26 in foaming, blowing agent can arrive inner casing 23 by through hole 22.
As aforementioned barriers heat-barrier material 25, can use polystyrene (Styrofoam) expanded material to make, after polystyrol foam material being inserted in dividing plate 4 inside of division refrigerating chamber 3 and refrigerating chamber 2, form shell 24, between shell 24 and inner casing, inject blowing agent then, dividing plate heat-barrier material 25 is contacted with insulating back-up material 26.
As shown in Figure 4, include the inner space that inner casing 23, shell 24, dividing plate 4, dividing plate heat-barrier material 25, insulating back-up material 26, intermediate plate 21 and inner casing 23 form refrigerator in the refrigerator heat insulation structural provided by the invention.Shell 24 forms the outward appearance of refrigerator, dividing plate 4 is divided into refrigerating chamber and refrigerating chamber to the inner space of refrigerator, dividing plate heat-barrier material 25 is located in the dividing plate 4, insulating back-up material 26 is located at the space between inner casing 23 and the shell 24, and intermediate plate 21 is located at the position that insulating back-up material 26 contacts with dividing plate heat-barrier material 25.
As shown in Figure 5, intermediate plate 21 provided by the invention is the high-strength metal sheet with rectangular shape, has a plurality of through holes 22 on this plate.
In addition, at the contact-making surface position of dividing plate heat-barrier material 25 and insulating back-up material 26, because dividing plate heat-barrier material 25 has flat shape, rather than curve form.Therefore reduced the degree of dividing plate heat-barrier material 25 shrinkage factor inequalities, can further suppress to crack on the insulating back-up material 26.
As shown in Figure 6, in the refrigerator heat insulation structural provided by the invention, the two sides of dividing plate heat-barrier material 25 have flat shape, in the contact-making surface of dividing plate heat-barrier material 25 and insulating back-up material 26, insert intermediate plate 21.
For blowing agent is successfully foamed with the position that inner casing 23 contacts at intermediate plate 21, on intermediate plate 21, the position that contacts with inner casing 23 is provided with through hole 22.
Therefore, have the invention of this structure, can successfully inject blowing agent at the position that intermediate plate 21 contacts with inner casing 23, blowing agent can successfully foam with the position that inner casing 23 contacts at intermediate plate 21.If do not inject blowing agent, then can cause the reduction of heat-proof quality, and then reduce the performance of product at the position that intermediate plate 21 contacts with inner casing 23.
In sum, in the present invention,, externally between heat-barrier material and the dividing plate heat-barrier material intermediate plate is set in order to eliminate the unbalanced stress phenomenon that produces between insulating back-up material and the dividing plate heat-barrier material.Simultaneously, make the contact site of dividing plate heat-barrier material and insulating back-up material have flat shape, reduced the shrinkage factor difference at each position of dividing plate heat-barrier material, when variations in temperature, produce uniform stress.Thereby can prevent to crack on the insulating back-up material, and then can prevent to produce on the shell wrinkle, improve the heat-proof quality of heat insulation structural.
Claims (3)
1. refrigerator heat insulation structural, include the shell that forms the refrigerator outward appearance and refrigerator inside freezing/dividing plate of the inner casing of refrigerating chamber, the refrigerating chamber of dividing refrigerator and refrigerating chamber, be inserted in the insulating back-up material between shell and the inner casing and be inserted in the dividing plate heat-barrier material of dividing plate inside, it is characterized in that: on the contact-making surface of described dividing plate heat-barrier material and insulating back-up material, be provided with and cut off its intermediate plate of stress between the two.
2. refrigerator heat insulation structural according to claim 1 is characterized in that: described intermediate plate is provided with a plurality of through holes that make the blowing agent circulation.
3. refrigerator heat insulation structural according to claim 1 is characterized in that: have flat shape at described dividing plate heat-barrier material with dividing plate heat-barrier material on the position that insulating back-up material contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100191344A CN100398958C (en) | 2004-04-30 | 2004-04-30 | Heat insulation structure for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100191344A CN100398958C (en) | 2004-04-30 | 2004-04-30 | Heat insulation structure for refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1690616A CN1690616A (en) | 2005-11-02 |
| CN100398958C true CN100398958C (en) | 2008-07-02 |
Family
ID=35346238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100191344A Expired - Fee Related CN100398958C (en) | 2004-04-30 | 2004-04-30 | Heat insulation structure for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100398958C (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771532A (en) * | 1988-01-27 | 1988-09-20 | General Electric Company | Method of assembling a refrigerator |
| JPH04309780A (en) * | 1991-04-04 | 1992-11-02 | Toshiba Corp | Cabinet for refrigerator |
| JPH10205996A (en) * | 1997-01-20 | 1998-08-04 | Sanyo Electric Co Ltd | Thermal insulation box of cooling refrigerator |
| DE19745825A1 (en) * | 1997-10-16 | 1999-04-22 | Bosch Siemens Hausgeraete | Thermally insulated cavity-walled case for e.g. Refrigerator |
| JPH11173748A (en) * | 1997-12-11 | 1999-07-02 | Matsushita Refrig Co Ltd | Refrigerator |
| JPH11350625A (en) * | 1998-06-05 | 1999-12-21 | Ig Tech Res Inc | Heat insulating panel structure |
| JP2002295970A (en) * | 2001-03-29 | 2002-10-09 | Isuzu Motors Ltd | Refrigerating body for cold insulating vehicle |
| JP2003314951A (en) * | 2002-04-22 | 2003-11-06 | Matsushita Refrig Co Ltd | Refrigerator |
-
2004
- 2004-04-30 CN CNB2004100191344A patent/CN100398958C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771532A (en) * | 1988-01-27 | 1988-09-20 | General Electric Company | Method of assembling a refrigerator |
| JPH04309780A (en) * | 1991-04-04 | 1992-11-02 | Toshiba Corp | Cabinet for refrigerator |
| JPH10205996A (en) * | 1997-01-20 | 1998-08-04 | Sanyo Electric Co Ltd | Thermal insulation box of cooling refrigerator |
| DE19745825A1 (en) * | 1997-10-16 | 1999-04-22 | Bosch Siemens Hausgeraete | Thermally insulated cavity-walled case for e.g. Refrigerator |
| JPH11173748A (en) * | 1997-12-11 | 1999-07-02 | Matsushita Refrig Co Ltd | Refrigerator |
| JPH11350625A (en) * | 1998-06-05 | 1999-12-21 | Ig Tech Res Inc | Heat insulating panel structure |
| JP2002295970A (en) * | 2001-03-29 | 2002-10-09 | Isuzu Motors Ltd | Refrigerating body for cold insulating vehicle |
| JP2003314951A (en) * | 2002-04-22 | 2003-11-06 | Matsushita Refrig Co Ltd | Refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1690616A (en) | 2005-11-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 |