CN210179988U - Refrigerator back R corner sealing composite die cutting sponge - Google Patents
Refrigerator back R corner sealing composite die cutting sponge Download PDFInfo
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- CN210179988U CN210179988U CN201921139167.0U CN201921139167U CN210179988U CN 210179988 U CN210179988 U CN 210179988U CN 201921139167 U CN201921139167 U CN 201921139167U CN 210179988 U CN210179988 U CN 210179988U
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Abstract
The utility model discloses a compound cross cutting sponge is sealed at refrigerator back R angle. Relates to the technical field of refrigerator sealing. The utility model discloses sealed compound cross cutting sponge mainly comprises notch sealing, R angle sealing, crack sealing, sealing material layer and intensity support material layer, and the sealing material layer bonds each other with intensity support material layer and constitutes sealed compound cross cutting sponge, and one side of sealed compound cross cutting sponge is equipped with R angle sealing to be equipped with notch sealing in R angle sealing both sides, the relative opposite side of sealed compound cross cutting sponge is equipped with the crack sealing. The utility model discloses a set up the notch sealing with compound cross cutting sponge, can effectively prevent the case shell notch to leak the bubble, secondly, compound cross cutting sponge has set up R angle sealing simultaneously, has solved traditional refrigerator back R angle and has leaked a bubble difficult problem, and at last, through setting up the crack sealing, has cancelled the online sealing process of refrigerator back turning.
Description
Technical Field
The utility model belongs to the technical field of the refrigerator is sealed, especially, relate to a compound cross cutting sponge is sealed at refrigerator back R angle.
Background
In the refrigerator manufacturing process, because U shell back R angle shaping structure is complicated, the back R angle leaks and steeps and is used for the difficult problem that waits to be solved in the trade always. In order to solve the problem that the R corner of the back of the refrigerator leaks bubbles, the sponge is plugged into a groove opening at the end of a metal plate in the traditional industry sealing scheme, the case shell is bent to be on line, and then the sponge with the fixed length is adopted for secondary sealing on line, however, the bubbles are still difficult to control. In order to solve the problem of bubble leakage, an ice drying machine is arranged on a general assembly line to clean the bubble leakage for three times.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound cross cutting sponge of refrigerator back R angle seal through setting up the notch sealing with compound cross cutting sponge, can effectively prevent the case shell notch to leak the bubble, and secondly, compound cross cutting sponge has set up R angle sealing simultaneously, has solved traditional refrigerator back R angle and has leaked a bubble difficult problem, and at last, through setting up the crack sealing, has cancelled the online sealed process of refrigerator back turning. By applying the composite die-cutting sponge, the problem of bubble leakage at the back R corner of the traditional refrigerator can be effectively solved, the reduction and efficiency improvement are realized, and the cost of the back R corner sealing material is reduced.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a sealing compound die-cutting sponge for the R corner of the back of a refrigerator, which mainly comprises a notch sealing part, an R corner sealing part, a crack sealing part, a sealing material layer and a strength support material layer,
the sealing material layer and the strength support material layer are bonded with each other to form a sealing composite die-cutting sponge, an R-angle sealing part is arranged on one side of the sealing composite die-cutting sponge, notch sealing parts are arranged on two sides of the R-angle sealing part, and a crack sealing part is arranged on the other side, opposite to the sealing composite die-cutting sponge.
Further, the notch sealing parts are symmetrically distributed on one side of the sealed composite die-cutting sponge along the R-angle sealing part.
Further, the structural characteristics of the notch sealing part, the structural characteristics of the R-angle sealing part and the structural characteristics of the crack sealing part are changed along with the change of the structural characteristics of the R of the back of the refrigerator shell.
Further, the inclination angle of the R-angle sealing part is in the range of 0.5-3.5 degrees.
Further, the pressure-sensitive adhesive layer for bonding the sealing material layer and the strength support material layer is a pressure-sensitive adhesive layer glue type which adopts any one of water-based acrylic glue, hot-melt pressure-sensitive adhesive, oily acrylic glue system, rubber type glue system and silicon glue system.
Further, the density of the sealing material layer is 15-25kg/m3, and the density of the strength support material layer is 30-50kg/m 3.
Further, the thickness ratio of the sealing material layer to the strength support material layer substrate is as follows: 15 to 45 percent.
Further, the sealing material layer adopts one or more of PU, EPDM or olpadio sponge.
Further, the strength support material layer adopts one or more of XPE, high density PE or EVA sponge.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up the notch sealing with compound cross cutting sponge, can effectively prevent case shell notch and leak the bubble, secondly, compound cross cutting sponge has set up R angle sealing simultaneously, has solved traditional refrigerator back R angle and has leaked a bubble difficult problem, and finally, through setting up the crack sealing, has cancelled the online sealed process of refrigerator back turning.
2. The utility model discloses an use compound cross cutting sponge, can effectively solve traditional refrigerator back R angle and leak a bubble difficult problem and realize subtracting the people and carry the effect, reduced back R angle sealing material cost.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front structure of the present invention;
FIG. 2 is a schematic diagram of the structure of FIG. 1A-A according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-notch sealing part, 2-R corner sealing part, 3-crack sealing part, 4-sealing material layer and 5-strength supporting material layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Specific example 1:
as shown in figure 1, the utility model relates to a sealing compound die-cutting sponge for the R corner of the back of a refrigerator, which mainly comprises a notch sealing part 1, an R corner sealing part 2, a crack sealing part 3, a sealing material layer 4 and a strength supporting material layer 5,
the sealing material layer 4 and the strength support material layer 5 are mutually bonded to form a sealing composite die-cutting sponge, an R corner sealing part 2 is arranged on one side of the sealing composite die-cutting sponge, notch sealing parts 1 are arranged on two sides of the R corner sealing part 2, and a crack sealing part 3 is arranged on the other opposite side of the sealing composite die-cutting sponge.
Wherein, the notch sealing part 1 is symmetrically distributed on one side of the sealed composite die-cutting sponge along the R corner sealing part 2.
Wherein, the structural characteristics of the notch sealing part 1, the structural characteristics of the R-angle sealing part 2 and the structural characteristics of the crack sealing part 3 are changed along with the change of the R structural characteristics of the back of the refrigerator shell.
Wherein the inclination angle of the R-angle sealing part 2 is in the range of 0.5-3.5 degrees.
The pressure-sensitive adhesive layer for bonding the sealing material layer 4 and the strength support material layer 5 is a pressure-sensitive adhesive layer glue type and adopts any one of water-based acrylic glue, hot-melt pressure-sensitive adhesive, oily acrylic glue system, rubber type glue system and silicon glue system.
Wherein the density of the sealing material layer 4 is 15-25kg/m3, and the density of the strength support material layer 5 is 30-50kg/m 3.
Wherein, the thickness ratio of the sealing material layer 4 to the strength support material layer 5 is as follows: 15 to 45 percent.
Wherein, the sealing material layer 4 adopts one or more of PU, EPDM or olpadio sponge.
Wherein, the strength support material layer 5 adopts one or more of XPE, high density PE or EVA sponge.
Through setting up notch sealing 1 with compound cross cutting sponge, can effectively prevent case shell notch from leaking the bubble, secondly, compound cross cutting sponge has set up R angle sealing 2 simultaneously, has solved traditional refrigerator back R angle and has leaked a bubble difficult problem, and finally, through setting up crack sealing 3, has cancelled the online sealed process in refrigerator back turning. By applying the composite die-cutting sponge, the problem of bubble leakage at the back R corner of the traditional refrigerator can be effectively solved, the reduction and efficiency improvement are realized, and the cost of the back R corner sealing material is reduced.
Specific example 2:
a preparation process of a refrigerator back R corner sealing composite die-cutting sponge comprises the following steps:
firstly, preparing the chemical components in the sealing element according to the parts by weight, fully stirring and mixing at a high speed, and foaming at a high pressure to prepare a foam body;
step two, cutting the foam into sheets with different thicknesses, and coating the adhesive on a coating machine;
and step three, compounding the sealing material layer 4 and the strength support material layer 5, adhering the materials through a pressure sensitive adhesive layer, and cutting the compounded materials into back R sealing dies with different required structures through a cutting die.
Wherein the sealing material layer 4 comprises the following components in parts by weight: high activity polyether polyol: 65-115 parts, TDI: 25-60 parts, DEOA: 0.6-3.2 parts of water: 2.1-5.7 parts, L5333: 0.6 to 1.2 portions of A230, 0.13 to 0.28 portion of A and 0.015 to 0.055 portion of D22.
Wherein, the strength supporting material layer 5 comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 30-75 parts, LLDPE: 20-40 parts of modified foaming agent, 4-25 parts of cross-linking agent, 0.3-1.1 parts of color master batch, 0.8-4.5 parts of auxiliary cross-linking agent: 0.05 to 0.2 portion.
Specific example 3:
the sealing material layer-4 comprises the following components in parts by weight: high activity polyether polyol: 90 parts, TDI: 42 parts, DEOA: 2.2 parts, water: 3.4 parts, L5333: 0.85 portion, 0.18 portion of A230 and 0.025 portion of D22.
The strength support material layer-5 comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 50 parts, LLDPE: 32 parts, 10 parts of modified foaming agent, 0.65 part of cross-linking agent, 2.2 parts of color master batch and auxiliary cross-linking agent: 0.12 part.
Specific example 4:
the sealing material layer-4 comprises the following components in parts by weight: high activity polyether polyol: 115 parts, TDI: 59 parts, DEOA: 3.1 parts, water: 5.6 parts, L5333: 1.1 parts, A230:0.27 parts, D22:0.054 parts.
The strength support material layer-5 comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 74 parts, LLDPE: 39 parts, 24 parts of modified foaming agent, 1.0 part of cross-linking agent, 4.4 parts of color master batch and auxiliary cross-linking agent: 0.2 part.
Specific example 5:
the sealing material layer-4 comprises the following components in parts by weight: high activity polyether polyol: 65 parts, TDI: 25 parts, DEOA: 0.6 part, water: 2.1 parts, L5333: 0.6 part, 0.13 part of A230 and 0.015 part of D22.
The strength support material layer-5 comprises the following components in parts by weight: LDPE (Low-Density polyethylene): 30 parts, LLDPE: 20 parts, 4 parts of modified foaming agent, 0.3 part of cross-linking agent, 0.8 part of color master batch and auxiliary cross-linking agent: 0.05 part.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a sealed compound cross cutting sponge in refrigerator back R angle, sealed compound cross cutting sponge mainly comprises notch sealing (1), R angle sealing (2), crack sealing (3), sealing material layer (4) and intensity supporting material layer (5), its characterized in that:
sealing material layer (4) and intensity supporting material layer (5) bond each other and constitute sealed compound cross cutting sponge, one side of sealed compound cross cutting sponge is equipped with R angle sealing (2) to be equipped with notch sealing (1) in R angle sealing (2) both sides, the relative opposite side of sealed compound cross cutting sponge is equipped with crack sealing (3).
2. The refrigerator back R-corner sealing composite die-cutting sponge as claimed in claim 1, wherein the notch sealing parts (1) are symmetrically distributed on one side of the sealing composite die-cutting sponge along the R-corner sealing part (2).
3. The refrigerator back R corner sealing composite die-cutting sponge as claimed in claim 1, wherein the structural characteristics of the notch sealing part (1), the R corner sealing part (2) and the crack sealing part (3) are changed along with the change of the R structural characteristics of the back of the refrigerator case.
4. The refrigerator back R-angle sealing composite die-cutting sponge as claimed in claim 1, wherein the inclination angle of the R-angle sealing part (2) is in the range of 0.5-3.5 °.
5. The refrigerator back R corner sealing composite die-cutting sponge as claimed in claim 1, wherein the pressure sensitive adhesive layer for bonding the sealing material layer (4) and the strength support material layer (5) is of a pressure sensitive adhesive layer glue type selected from any one of water-based acrylic glue, hot melt pressure sensitive adhesive, oil-based acrylic glue, rubber-based glue and silicone glue.
6. The refrigerator back R corner sealing composite die-cut sponge as claimed in claim 1, wherein the sealing material layer (4) has a density of 15-25kg/m3, and the strength support material layer (5) has a density of 30-50kg/m 3.
7. The refrigerator back R corner sealing composite die-cutting sponge as claimed in claim 1, wherein the thickness ratio of the sealing material layer (4) to the strength support material layer (5) is as follows: 15 to 45 percent.
8. The refrigerator back R corner sealing composite die-cut sponge as claimed in claim 1, wherein the sealing material layer (4) is one or more of PU, EPDM or olpadio sponge.
9. The refrigerator back R corner sealing composite die-cut sponge as claimed in claim 1, wherein the strength support material layer (5) is one or more of XPE, high density PE or EVA sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139167.0U CN210179988U (en) | 2019-07-19 | 2019-07-19 | Refrigerator back R corner sealing composite die cutting sponge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139167.0U CN210179988U (en) | 2019-07-19 | 2019-07-19 | Refrigerator back R corner sealing composite die cutting sponge |
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| CN210179988U true CN210179988U (en) | 2020-03-24 |
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| CN201921139167.0U Active CN210179988U (en) | 2019-07-19 | 2019-07-19 | Refrigerator back R corner sealing composite die cutting sponge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645765A (en) * | 2019-07-19 | 2020-01-03 | 长虹美菱股份有限公司 | Refrigerator back R corner sealing composite die-cutting sponge and preparation process thereof |
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2019
- 2019-07-19 CN CN201921139167.0U patent/CN210179988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645765A (en) * | 2019-07-19 | 2020-01-03 | 长虹美菱股份有限公司 | Refrigerator back R corner sealing composite die-cutting sponge and preparation process thereof |
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