CN102773959A - Method of manufacturing heat insulation box body - Google Patents
Method of manufacturing heat insulation box body Download PDFInfo
- Publication number
- CN102773959A CN102773959A CN201210146209XA CN201210146209A CN102773959A CN 102773959 A CN102773959 A CN 102773959A CN 201210146209X A CN201210146209X A CN 201210146209XA CN 201210146209 A CN201210146209 A CN 201210146209A CN 102773959 A CN102773959 A CN 102773959A
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- CN
- China
- Prior art keywords
- thermal insulating
- insulating box
- refrigerator
- midfeather
- heat insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention provides a method of manufacturing a heat insulation box body. By arranging vent holes at the final filling part of a foaming heat insulation material formed at the position not affecting the product appearance, the product quality stability and the heat insulation performance can be improved. The heat insulation box body comprises a top surface (2) composed of an outer box and an inner box, an underside (3), left and right side surfaces (4,5), a backside (6) and a longitudinal clapboard (10), and the foaming heat insulation material is filled between the outer box and the inner box. The method of manufacturing the heat insulation box body comprises the steps of placing the abutted side surface (5) of the longitudinal clapboard (10) at the lower part to take an angle part (A) formed between the side surface (5) and the top surface (2) as a fulcrum; placing the underside (3) and the other side surface (4) at the upper part to make the heat insulation box body in a tilted three dimensional state; injecting the foaming heat insulation material between the outer box and the inner box from an injection port (15) of the underside (3).
Description
Technical field
The present invention relates to the manufacturing approach of the body of thermal insulating box of refrigerator or freezer etc., the method for implanting of the foamed thermal insulating that relates more specifically to be filled between outer container and the interior case etc.
Background technology
Device is used in foaminess heat-insulating material filling in the past body of thermal insulating box; The mode that is positioned at the top with the inlet of foaminess heat-insulating material tilts casing two-dimentionally; Under this state, be injected in the casing from inlet by the stoste of injection head with foamed thermal insulating; Then make casing be positioned to level (for example, with reference to patent documentation 1).
The prior art document
Patent documentation
Patent documentation 1: the real clear 59-190516 communique (3-4 page or leaf, Fig. 1) of opening of Japan
Summary of the invention
The problem that invention will solve
For example; In refrigerator, for inject foamed thermal insulating between outer container that constitutes refrigerator body and the interior case and make it to foam and about have the refrigerator (below, be called the midfeather refrigerator) that refrigerating chamber and refrigerating chamber, between are provided with midfeather; Particularly for the midfeather refrigerator that relies on a side at midfeather partially; The filling of foamed thermal insulating in midfeather is unstable, in addition, between the above-below direction of the two sides of refrigerator body, forms the final filling part of foamed thermal insulating; Thereby, exist in that air entrapment, heat-insulating property significantly worsen such problem between outer container and the interior case of two sides.
Such midfeather refrigerator is as with reference to shown in Figure 1, the body 1 of refrigerator have end face 2, bottom surface 3, about the side 4,5 and the back side 6, each free outer container 7 of these parts forms with interior case 8 and between forms spatial portion.The midfeather of the side 4 about Reference numeral 10 is provided in a side of, the hollow that is communicated with between 5, with spatial portion between outer container 7 and the interior case 8; Between this midfeather 10 and a side 4, for example form refrigerating chamber 11, between itself and another side 5, form refrigerating chamber 12.
Such midfeather refrigerator that kind as shown in Figure 5 makes body 1 be placed to level, or end face 2 is placed the below and bottom surface 3 is configured to two-dimentional inclination form with placing the top, injects foamed thermal insulating from the inlet 15 that is located on the bottom surface 3.The foamed thermal insulating that injects from inlet 15 at first flows between the outer container 7 and interior case 8 at the back side 6; Between the outer container 7 of end face 2 and interior case 8, flowing, (arrow a); Then; Flow in the exapnsion between outer container 7 and the interior case 8 of the side 4 of side nearby and in the hollow bulb of midfeather 10 (arrow b, c) in foaming, the foamed thermal insulating that flow into side 4 and midfeather 10 flows between the outer container 7 and interior case 8 of bottom surface 3 (arrow d).
Then, the foamed thermal insulating that flow into end face 2 and bottom surface 3 flows in the foaming exapnsion between the outer container 7 and interior case 8 of side 5 of depth side (arrow e, f).Thus, because being flowed into from end face 2 sides and bottom surface 3 sides, two sides, foamed thermal insulating carries out filling, so between above-below direction, form the final filling part of foamed thermal insulating.
In the final filling part of foamed thermal insulating, because bulged-in gas is detained through the filling foamed thermal insulating, so need steam vent be set in final filling part.But from the viewpoint of aesthetic appearance, the place that steam vent is set is restricted, and the side 4,5 of refrigerator is owing to being appearance, so steam vent can not be set.
Under the situation of not establishing steam vent, in the final filling part of foamed thermal insulating gas taking place is detained, owing to there is not the filling foamed thermal insulating,, become the reason of consumes power increase and dewfall at this place so heat-insulating property significantly worsens.In addition, portion is cooled along with the gas delay, and this gas is detained part and shrinks, and may cause the distortion of refrigerator.In addition, also there is same problem in the technology of patent documentation 1.
The present invention proposes in order to solve above-mentioned problem; Its purpose is a kind of manufacturing approach of body of thermal insulating box; Through forming the final filling part of foamed thermal insulating in the position that does not influence product appearance property; And steam vent is set, thereby the stability of product quality and heat-insulating property are improved in this final filling part.
Be used to solve the means of problem
The present invention is a kind of manufacturing approach of body of thermal insulating box; This body of thermal insulating box have the end face formed by outer container and interior case, bottom surface, about side, the back side and midfeather; Filling foamed thermal insulating between above-mentioned outer container and interior case and in the midfeather is in the manufacturing approach of this body of thermal insulating box
Place the below to the side of that side that above-mentioned midfeather leaned on partially; With the bight that between this side and above-mentioned end face, forms is fulcrum; Place the top to above-mentioned bottom surface and another side; Make above-mentioned body of thermal insulating box be inclined to three-dimensional state, between above-mentioned outer container and interior case, inject foamed thermal insulating from the inlet that is located at above-mentioned bottom surface.
The effect of invention
Manufacturing method according to the invention; Owing to make body of thermal insulating box with three-dimensional state filling foamed thermal insulating obliquely; Can form the final filling part of foamed thermal insulating in the position that does not influence product appearance property; In this position steam vent is set, so, the high body of thermal insulating box of constant product quality and heat-insulating property can be obtained.
Description of drawings
Fig. 1 is the schematic illustration that the door of the refrigerator of expression an embodiment of the invention is removed state.
Fig. 2 is the key diagram of representing the state that has omitted a part of refrigerator filling foamed thermal insulating of the present invention.
Fig. 3 is the X-X cutaway view of Fig. 1.
Fig. 4 is the Y-Y cutaway view of Fig. 1.
Fig. 5 is the key diagram of filling state that the foamed thermal insulating of a part of current refrigerator has been omitted in expression.
The specific embodiment
Fig. 1 to Fig. 4 is the key diagram of manufacturing approach of the body of thermal insulating box of an embodiment of the invention.In addition, because the explanation to some extent formerly of the formation of Fig. 1, so omit repeat specification.
In this embodiment; When in the body 1 at refrigerator during the filling foamed thermal insulating; That kind as shown in Figure 2; The side of that side that the interval of side 4,5 and midfeather 10 is narrow (below be called that side that 10 of midfeathers lean on partially) (for example 5) places below (side nearby), is fulcrum with the bight A that between this side 5 and end face 2, forms, and with respect to the horizontal plane 20 is obliquely installed body 1 three-dimensionally.
At this moment; That kind as shown in Figure 3; It is that fulcrum makes upwards θ ° of square neck rake angle of side 4 sides (B point) that the width of body 1 is arranged to bight A with end face 2, and the bight A that kind as shown in Figure 4, short transverse are arranged to end face 2 is that fulcrum makes angle of inclination φ ° of bottom surface 3 side (C point).
As stated; When be obliquely installed body 1 three-dimensionally, when the inlet that is located at bottom surface 3 15 injects foamed thermal insulatings; Foamed thermal insulating 16 flows to A point in 6 overleaf, as Fig. 3, shown in Figure 4, upper surface cardinal principle level; 6 are trapped in end face 2 and side 5 from the back side, begin foaming and be filled with in the back side 6, end face 2 and side 5.Then, in the filling midfeather 10, final filling is in another side 4 and bottom surface 3.Thus, the final filling part of 3 formation foamed thermal insulatings 16 is provided with steam vent (not shown) at this in the bottom surface.
Because the bottom surface 3 of refrigerator is low as the effect of appearance,, can prevents gas and be detained, so can solve aforesaid existing problem so steam vent can easily be set.In addition, owing to when injecting foamed thermal insulating, make body 1 be inclined to three-dimensional state, so also can tackle neatly even be positioned at midfeather under the situation of central authorities.
As stated; Make body 1 be inclined to degree of tilt θ ° and degree of tilt φ ° of short transverse of width under the situation of three-dimensional state ground filling foamed thermal insulating, body 1; When the width of establishing body 1 is W, when highly being V for the volume of H, the foamed thermal insulating that injected, is set by following formula.
θ≥atan｛2V÷（W
2×H）｝
φ≥atan｛2V÷（H
2×W）｝
Thus, owing to be that the summit is detained foamed thermal insulating with an end B, the C of body 1, thus different with in the past, can be located at bottom surface 3 to final filling part, corresponding therewith, can be in the bottom surface 3 steam vent be set.In addition, because the differences such as shape of interior case when the above-mentioned tilt angle theta of desire change, φ, can be that limit ground is adjusted with 45 °.When tilt angle theta, φ are worth when big than this, owing to increase burden for product or mounting board instrument, so be difficult to ensure the quality of products and the property produced in batches.
Its viscosity of later stage is just high more because foamed thermal insulating arrives reaction more, and there is the tendency of density step-down at the position that under high viscosity state, is filled with, so the easy step-down of density of final filling part.
If research has been carried out the Density Distribution of foamed thermal insulating of the refrigerator of filling according to the illustrated existing manufacturing approach of Fig. 5, the side that then forms final filling part becomes least density.To this, utilize refrigerator that manufacturing approach of the present invention produces owing to 3 form final filling part in the bottom surface, so in the bottom surface 3 form least density foamed thermal insulating.
According to the present invention; Between outer container 7 that constitutes body of thermal insulating box and interior case 8 etc. during the filling foamed thermal insulating; Owing to make body of thermal insulating box be inclined to three-dimensional state,, can steam vent be set at this so the final filling part of foamed thermal insulating is formed on the position that does not influence product appearance property; Thereby, the high body of thermal insulating box of steady quality and the heat-insulating property of can manufacturing a product.
In addition; Owing to make body of thermal insulating box be inclined to three-dimensional state ground filling foamed thermal insulating; So,, only just can tackle through changing the angle of inclination even for example under the situation of the specification change of the midfeather of refrigerator etc.; Need not to change the injection device of foamed thermal insulating etc., thereby can the suppression equipment expense increase.
In above-mentioned explanation, mainly represented the situation of embodiment of the present invention in having the refrigerator of midfeather, but also can embodiment of the present invention in the body of thermal insulating box of the refrigerator of other structures or freezer etc.
Description of reference numerals
1: the body of refrigerator, 2: end face, 3: bottom surface, 4,5: side, 6: the back side, 7: outer container, 8: interior case, 10: midfeather, 11: refrigerating chamber, 12: refrigerating chamber, 15: inlet, 16: foamed thermal insulating, 20: horizontal plane.
Claims (7)
1. the manufacturing approach of a body of thermal insulating box; This body of thermal insulating box have the end face formed by outer container and interior case, bottom surface, about side, the back side and midfeather; Filling foamed thermal insulating between above-mentioned outer container and interior case and in the midfeather, the manufacturing approach of this body of thermal insulating box is characterised in that
The side of that side that above-mentioned midfeather leaned on is partially placed the below; Bight to be formed between this side and the above-mentioned end face is a fulcrum; Above-mentioned bottom surface and another side are placed the top; Make above-mentioned body of thermal insulating box be inclined to three-dimensional state, from inlet filling foamed thermal insulating between above-mentioned outer container and interior case of being located at above-mentioned bottom surface.
2. the manufacturing approach of body of thermal insulating box as claimed in claim 1 is characterized in that, makes the width of said body of thermal insulating box and short transverse with respect to the horizontal plane be inclined to three-dimensional state by 45 ° with interior angle.
3. according to claim 1 or claim 2 the manufacturing approach of body of thermal insulating box; It is characterized in that; At the height of establishing above-mentioned body of thermal insulating box is that H, width are that the volume of the foamed thermal insulating of W, institute's filling is when being V; Set tilt angle theta and the angle of inclination φ of short transverse of the width of this body of thermal insulating box through following formula
θ≥atan｛2V÷（W
2×H）｝
φ≥atan｛2V÷（H
2×W）｝。
4. according to claim 1 or claim 2 the manufacturing approach of body of thermal insulating box is characterized in that, in above-mentioned bottom surface steam vent is set.
5. according to claim 1 or claim 2 the manufacturing approach of body of thermal insulating box is characterized in that said body of thermal insulating box is that refrigerator is used casing, and this refrigerator is provided with refrigerating chamber and at opposite side refrigerating chamber is set with the side of casing at the midfeather of hollow.
6. the manufacturing approach of body of thermal insulating box as claimed in claim 3 is characterized in that, said body of thermal insulating box is that refrigerator is used casing, and this refrigerator is provided with refrigerating chamber and at opposite side refrigerating chamber is set with the side of casing at the midfeather of hollow.
7. the manufacturing approach of body of thermal insulating box as claimed in claim 4 is characterized in that, said body of thermal insulating box is that refrigerator is used casing, and this refrigerator is provided with refrigerating chamber and at opposite side refrigerating chamber is set with the side of casing at the midfeather of hollow.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-107047 | 2011-05-12 | ||
| JP2011107047A JP2012237511A (en) | 2011-05-12 | 2011-05-12 | Method for manufacturing heat insulation box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102773959A true CN102773959A (en) | 2012-11-14 |
| CN102773959B CN102773959B (en) | 2015-02-18 |
Family
ID=47119174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210146209.XA Expired - Fee Related CN102773959B (en) | 2011-05-12 | 2012-05-11 | Method of manufacturing heat insulation box body |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012237511A (en) |
| CN (1) | CN102773959B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108864395A (en) * | 2018-07-20 | 2018-11-23 | 张家港长泰汽车饰件材料有限公司 | The preparation method of polyurethane foam |
| CN111148955A (en) * | 2017-10-05 | 2020-05-12 | 惠而浦公司 | Fill port for an insulation structure incorporated within an appliance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59150284A (en) * | 1983-02-04 | 1984-08-28 | 株式会社東芝 | Manufacture of heat-insulating box body |
| JPS59190516U (en) * | 1983-06-01 | 1984-12-18 | 株式会社東芝 | Equipment for filling foam insulation material in insulation boxes |
| JPS6036868A (en) * | 1983-08-05 | 1985-02-26 | 株式会社日立製作所 | Manufacture of heat-insulating box body |
| JPS6470685A (en) * | 1987-09-10 | 1989-03-16 | Toshiba Corp | Manufacture of heat-insulating wall body |
| JP2000234853A (en) * | 1999-02-12 | 2000-08-29 | Toshiba Corp | Thermal insulated box |
-
2011
- 2011-05-12 JP JP2011107047A patent/JP2012237511A/en not_active Withdrawn
-
2012
- 2012-05-11 CN CN201210146209.XA patent/CN102773959B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59150284A (en) * | 1983-02-04 | 1984-08-28 | 株式会社東芝 | Manufacture of heat-insulating box body |
| JPS59190516U (en) * | 1983-06-01 | 1984-12-18 | 株式会社東芝 | Equipment for filling foam insulation material in insulation boxes |
| JPS6036868A (en) * | 1983-08-05 | 1985-02-26 | 株式会社日立製作所 | Manufacture of heat-insulating box body |
| JPS6470685A (en) * | 1987-09-10 | 1989-03-16 | Toshiba Corp | Manufacture of heat-insulating wall body |
| JP2000234853A (en) * | 1999-02-12 | 2000-08-29 | Toshiba Corp | Thermal insulated box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111148955A (en) * | 2017-10-05 | 2020-05-12 | 惠而浦公司 | Fill port for an insulation structure incorporated within an appliance |
| CN111148955B (en) * | 2017-10-05 | 2021-10-22 | 惠而浦公司 | Fill port for an insulation structure incorporated within an appliance |
| CN108864395A (en) * | 2018-07-20 | 2018-11-23 | 张家港长泰汽车饰件材料有限公司 | The preparation method of polyurethane foam |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012237511A (en) | 2012-12-06 |
| CN102773959B (en) | 2015-02-18 |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20200511 |