CN217073193U - Appearance part, household appliance and mold - Google Patents
Appearance part, household appliance and mold Download PDFInfo
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- CN217073193U CN217073193U CN202123452347.4U CN202123452347U CN217073193U CN 217073193 U CN217073193 U CN 217073193U CN 202123452347 U CN202123452347 U CN 202123452347U CN 217073193 U CN217073193 U CN 217073193U
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Abstract
The utility model provides an outward appearance part, domestic appliance and mould, outward appearance part are the spraying injection molding of exempting from, and outward appearance part includes: an annular structure having an appearance surface and a non-appearance surface, the non-appearance surface having a gate forming region for corresponding to a gate of a mold; the annular structure is provided with a first arc-shaped part and a second arc-shaped part which are oppositely arranged; when the annular structure is arranged on the household appliance, the first arc-shaped part is positioned on the front side of the household appliance, and the second arc-shaped part is positioned on the back side of the household appliance; wherein the gate forming area is located on the first arc portion. The utility model discloses an outward appearance part has solved the problem that the position that the weld mark of exempting from among the prior art spraying injection molding produced influences domestic appliance's outward appearance effect.
Description
Technical Field
The utility model relates to a domestic appliance field particularly, relates to an outward appearance part, domestic appliance and mould.
Background
At present, household appliances usually adopt a spraying process to carry out surface treatment on injection molding parts so as to realize the improvement of various colors and appearance textures and cover the appearance defects of parts, but have the problems of high cost and environmental pollution. Therefore, the spraying-free technology can be adopted to replace and make up the problem of the spraying process, the injection molding piece of the spraying-free material has unique light and shadow effect and metallic luster after molding, and the appearance effect which is comparable to or superior to the spraying effect can be achieved without secondary treatment. The technology has the advantages of excellent functions, low cost, environmental protection and the like.
However, the spray-free material is easy to have appearance defects such as flow marks, welding marks, gate marks and the like in the injection molding process, and the generated positions or degrees are difficult to predict and have poor consistency. Also, weld marks are often generated at places easily visible to users, resulting in poor appearance of the home appliance.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide an outward appearance part, domestic appliance and mould to the position that the weld mark of the spraying injection molding of exempting from among the solution prior art produced influences the problem of domestic appliance's outward appearance effect.
In order to achieve the above object, according to an aspect of the present invention, there is provided an appearance part, the appearance part being a spray-free injection molding, the appearance part comprising: an annular structure having an appearance surface and a non-appearance surface, the non-appearance surface having a gate forming region for corresponding to a gate of a mold; the annular structure is provided with a first arc-shaped part and a second arc-shaped part which are oppositely arranged; when the annular structure is installed on the household appliance, the first arc-shaped part is positioned on the front side of the household appliance, and the second arc-shaped part is positioned on the back side of the household appliance; wherein the gate forming area is located on the first arc portion.
Furthermore, the first arc-shaped part comprises a first arc section, a second arc section and a third arc section which are sequentially connected along the extension direction of the first arc section, and the length of the first arc section along the extension direction of the first arc section, the length of the second arc section along the extension direction of the second arc section and the length of the third arc section along the extension direction of the third arc section are equal; wherein the gate forming area is located on the second arc section.
Further, the first arc-shaped part is symmetrically arranged relative to the first reference surface, and the gate forming area is symmetrically arranged relative to the first reference surface.
Further, the length of the gate molding area in the length direction thereof is greater than or equal to 8 mm; and/or the width of the gate forming area along the width direction ranges from 0.6mm to 2 mm.
Furthermore, a gate forming area is arranged on the non-appearance surface, and the circumference of the annular structure is less than or equal to 800 mm.
Furthermore, the annular structure is provided with an inner side surface and an outer side surface, the outer side surface is an appearance surface, the inner side surface is a non-appearance surface, and the gate forming area is positioned on the inner side surface.
Further, the ring structure has a top surface, a bottom surface, an inner side surface and an outer side surface; the bottom surface is a non-appearance surface, and the gate forming area is positioned on the bottom surface; or at least part of the outer side surface is a non-appearance surface, and the gate forming area is positioned on the outer side surface; or at least part of the inner side surface is a non-appearance surface, and the gate forming area is positioned on the inner side surface; alternatively, at least a portion of the top surface is a non-cosmetic surface, and the gate molding region is located on the top surface.
Furthermore, the appearance surface is provided with a wire drawing pattern, and the extending direction of the wire drawing pattern is parallel to the flowing direction of the injection molding melt.
Further, the appearance part is made of a spraying-free material, and the spraying-free material comprises a base material and particles distributed in the base material; wherein, the base material is a thermoplastic polymer material; the particles are at least one of metal particles, pearl powder and fibers.
According to another aspect of the present invention, there is provided a household appliance, comprising an appearance component, wherein the appearance surface of the appearance component forms at least part of the appearance surface of the household appliance, and wherein the appearance component is the above-mentioned appearance component.
According to another aspect of the present invention, there is provided a mold having a cavity for forming the above-described exterior part, the mold further having a gate, the gate being communicated with the cavity.
Further, the gate is a fan gate.
Furthermore, the mould is also provided with a buffer runner and a melt inlet, wherein the first end of the buffer runner is communicated with the melt inlet, and the buffer runner is communicated with one end of the pouring gate away from the cavity, so that the injection molding melt sequentially flows through the melt inlet, the buffer runner and the pouring gate and then enters the cavity; wherein, the buffer flow channel is a bending flow channel.
The appearance part of the utility model is made by adopting a spraying-free technology, is an injection molding product and is made of spraying-free materials, and comprises an annular structure, and the non-appearance surface of the annular structure is provided with a pouring gate forming area corresponding to the pouring gate of the mold; this annular structure is through setting up runner shaping district on first arc portion, can be so that the weld line that moulds plastics and produce produces on second arc portion, and after annular structure installed on domestic appliance, the weld line is located domestic appliance's the back, and the weld line is in the place that the user is difficult to see promptly, has improved domestic appliance's outward appearance effect.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows an axonometric view of an embodiment of an appearance element according to the invention;
fig. 2 shows a top view of an embodiment of an appearance element according to the invention;
FIG. 3 shows a cross-sectional view at section B-B of the appearance member of FIG. 2;
fig. 4 shows an angled side view of an embodiment of an appearance element according to the invention;
fig. 5 shows a side view from another angle of an embodiment of an appearance element according to the invention; and
fig. 6 shows a partial enlarged view of an embodiment of an appearance element according to the invention.
Wherein the figures include the following reference numerals:
10. a cyclic structure; 11. appearance surface; 12. a non-exterior surface; 13. a first arcuate portion; 131. a first arc segment; 132. a second arc segment; 133. a third arc segment; 14. a second arcuate portion; 141. a fourth arc segment; 142. a fifth arc segment; 143. a sixth arc segment; 15. welding lines; 20. a gate; 30. a gate forming area; 50. a buffer flow channel; 60. a melt inlet.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model provides an appearance part, please refer to fig. 1 to fig. 6, appearance part is the spraying injection molding of exempting from, and appearance part includes: a ring structure 10 having an appearance surface 11 and a non-appearance surface 12, the non-appearance surface 12 having a gate forming area 30 for corresponding to a gate 20 of a mold; the ring structure 10 has a first arc-shaped portion 13 and a second arc-shaped portion 14 which are oppositely arranged; when the ring structure 10 is mounted on a household appliance, the first arc-shaped portion 13 is located on the front side of the household appliance, and the second arc-shaped portion 14 is located on the back side of the household appliance; wherein the gate forming area 30 is located on the first arc-shaped portion 13.
The appearance part of the utility model is made by adopting a spraying-free technology, is an injection molding product and is made of a spraying-free material, and comprises an annular structure 10, wherein a non-appearance surface 12 of the annular structure 10 is provided with a pouring gate forming area 30 corresponding to a pouring gate 20 of a mold; this annular structure 10 can be so that the weld line 15 that moulds plastics and produce produces on second arc portion 14 through setting up runner shaping district 30 on first arc portion 13, and after annular structure 10 installed on domestic appliance, weld line 15 was located domestic appliance's the back, and weld line 15 is in the place that the user is difficult to see promptly, has improved domestic appliance's outward appearance effect.
The spraying-free injection molding part has unique light and shadow effect and metallic luster after being molded, can achieve the appearance effect which is comparable to or superior to spraying without secondary treatment, and has the advantages of excellent function, low cost, environmental protection and the like.
When the appearance part is injection molded by using the mold, a cavity of the mold is used for molding the appearance part, a gate 20 (which may also be called a gate) is communicated with the cavity, a material in the gate 20 forms a gate molding part, and a region where the appearance part is connected with the gate molding part is a gate molding region 30.
It should be noted that, when the appearance component is applied to the household appliance, the appearance surface 11 is a component of the appearance of the household appliance, that is, the appearance surface 11 is a surface exposed in the application environment and visible to the user; the non-exterior surface 12 is located inside the household appliance, i.e. the non-exterior surface 12 is a surface hidden from the user inside the household appliance.
In addition, the front side of the household appliance and the back side of the household appliance are both appearance surfaces 11, the front side of the household appliance is an end surface arranged towards a user, and the back side of the household appliance is arranged opposite to the front side of the household appliance; as shown in fig. 2, the front surface of the household appliance and the back surface of the household appliance are sequentially arranged along the X direction.
In this embodiment, the first arc-shaped portion 13 includes a first arc segment 131, a second arc segment 132 and a third arc segment 133 connected in sequence along the extending direction thereof, and the length of the first arc segment 131 along the extending direction thereof, the length of the second arc segment 132 along the extending direction thereof and the length of the third arc segment 133 along the extending direction thereof are equal; wherein the gate forming area 30 is located on the second arc segment 132. Such setting further guarantees that weld line 15 is in the place that the user is difficult to see, has improved domestic appliance's outward appearance effect.
In specific implementation, the second arc-shaped portion 14 includes a fourth arc-shaped segment 141, a fifth arc-shaped segment 142 and a sixth arc-shaped segment 143, which are connected in sequence, along the extending direction of the second arc-shaped portion, and the length of the fourth arc-shaped segment 141 along the extending direction, the length of the fifth arc-shaped segment 142 along the extending direction, and the length of the sixth arc-shaped segment 143 along the extending direction are equal; wherein the weld line 15 is located on the fifth arc segment 142.
In the present embodiment, the first arc-shaped portion 13 is symmetrically disposed with respect to the first reference plane, and the gate forming area 30 is symmetrically disposed with respect to the first reference plane. Due to the arrangement, the situation that the glue inlet flows on the two sides of the first reference surface tend to be symmetrical and balanced can be ensured, and appearance defects such as flow marks, gate marks and the like on the appearance surface 11 in the injection molding process are avoided.
In specific implementation, the second arc-shaped part 14 is symmetrically arranged relative to the first reference plane, and the welding line 15 is overlapped with the first reference plane.
In the present embodiment, the length of the gate forming region 30 in the length direction thereof is greater than or equal to 8 mm; and/or the width of the gate-forming region 30 in its width direction ranges between 0.6mm and 2 mm. Specifically, the length direction of the gate forming area 30 is the width direction of the gate 20, i.e. the direction perpendicular to the mold opening direction of the mold; the width direction of the gate forming region 30 is the thickness direction of the gate 20, i.e., the mold opening direction of the mold. Such an arrangement ensures a low flow rate of the injection melt. Specifically, in the present embodiment, the length direction of the gate forming region 30 is also along the circumferential direction of the annular structure, and the width direction of the gate forming region 30 is also the axial direction of the annular structure.
It should be noted that the range of values between 0.6mm and 2mm includes values of 0.6mm and 2 mm.
Specifically, the gate forming area 30 has a rectangular or trapezoidal shape.
In the present embodiment, the non-exterior surface 12 is provided with a gate forming area 30, and the circumference of the ring structure 10 is less than or equal to 800 mm. Such an arrangement can avoid appearance defects such as flow marks, weld marks, gate marks, and the like, which are caused by the mutual influence of the flows of the multiple strands of injection-molded melt when the plurality of gate molding regions 30 are provided.
In one embodiment, the ring structure 10 has a top surface, a bottom surface, an inner side surface and an outer side surface, the bottom surface being the non-cosmetic surface 12, the gate-forming region 30 being located at the bottom surface; or at least part of the outer side surface is the non-appearance surface 12, and the gate forming area 30 is positioned on the outer side surface; alternatively, at least a portion of the inner side surface is the non-exterior surface 12, and the gate molding region 30 is located on the inner side surface; alternatively, at least a portion of the top surface is the non-cosmetic surface 12 and the gate molding region 30 is located on the top surface. Such an arrangement reduces the formation of cosmetic defects on the cosmetic surface.
In another embodiment, the ring structure 10 has an outer side surface that is the design surface 11 and an inner side surface that is the non-design surface 12, and the gate forming region 30 is located on the inner side surface. Such an arrangement reduces the formation of cosmetic defects on the cosmetic surface.
Specifically, the top, bottom, inner and outer sides are all annular surfaces.
In the present embodiment, the design surface 11 is provided with a drawing line, and the extending direction of the drawing line is parallel to the flowing direction of the injection molding melt. If the appearance surface has flow marks, the direction of the flow marks is the same as the flowing direction, the extending direction of the wire drawing lines is parallel to the flowing direction of the melt, so that the flow marks can be covered by the lines of the wire drawing lines, and the flow marks have the function of covering.
The surface drawing is a surface treatment means for providing a decorative effect by forming lines on the surface of the exterior part by surface drawing.
In this embodiment, the appearance member is made of a spray-free material including a base material and particles distributed in the base material; wherein, the base material is a thermoplastic polymer material; the particles are at least one of metal particles, pearl powder and fibers.
Optionally, the metal particles are aluminum or copper.
Optionally, the fibers are nylon or natural fibers.
Specifically, the appearance part may be a ring, a box, or the like.
In particular, the appearance component may be a trim ring of the household appliance.
Specifically, the gate forming area 30 has a rectangular or trapezoidal shape.
In other embodiments, the design surface 11 has a first gate forming area, and the design component covers or thins the first gate forming area by labeling, silk printing, laser engraving, etc. due to the gate lines generated at the first gate forming area. Wherein the first gate forming region and the gate forming region are left on the exterior part by the same implementation means.
In other embodiments, the appearance surface 11 has flow marks, and the flow marks on the appearance surface 11 are covered or diluted by using a concave-convex mark with decoration, a sun print, a label, silk printing, laser engraving, and the like.
In other embodiments, the appearance surface 11 has weld lines, and the weld lines on the appearance surface 11 are covered or diluted by using decorative embossed marks, sun lines, labels, silk screen printing, laser engraving, and the like.
The utility model also provides a domestic appliance, including the outward appearance part, outward appearance part outward appearance face 11 forms domestic appliance's at least partial outward appearance face, and the outward appearance part is the outward appearance part in above-mentioned embodiment.
The utility model also provides a mould, mould have the die cavity that is used for forming the outward appearance part in above-mentioned embodiment, and the mould still has runner 20, and runner 20 is linked together with the die cavity.
In the present embodiment, the gate 20 is a fan gate. The arrangement can ensure the low-flow-rate flow of the injection molding melt and easily remove the gate forming part.
Specifically, the end of the gate 20 communicated with the cavity has a first communicating port, the first communicating port corresponds to the gate forming area 30, the size of the first communicating port in the width direction of the gate 20 is greater than or equal to 8mm, and the value range of the first communicating port in the thickness direction of the gate 20 is between 0.6mm and 2 mm. The thickness direction of the gate 20 is the mold opening direction of the mold, and the width direction of the gate 20 is the direction perpendicular to the mold opening direction of the mold. It should be noted that the range of values between 0.6mm and 2mm includes values of 0.6mm and 2 mm.
Specifically, in the width direction of the gate 20, the width upstream of the gate 20 is smaller than the width downstream of the gate 20; in the thickness direction of the gate 20, the thickness upstream of the gate 20 is larger than the thickness downstream of the gate 20. Wherein, the injection molding melt flows through the upstream of the gate 20 first, and the injection molding melt flows through the downstream of the gate 20. Such an arrangement can achieve a low flow velocity, and the gate forming portion formed at the gate 20 can be easily separated from the exterior part.
In this embodiment, the mold further has a buffer runner 50 and a melt inlet 60, a first end of the buffer runner 50 is communicated with the melt inlet 60, and the buffer runner 50 is communicated with an end of the gate 20 away from the mold cavity, so that the injection molding melt sequentially flows through the melt inlet 60, the buffer runner 50 and the gate 20 and then enters the mold cavity; the buffer flow channel 50 is a curved flow channel, that is, the axis of the buffer flow channel 50 is a curve. The arrangement of the buffer runner 50 has a buffer effect on the injection molding melt, and appearance defects on the appearance surface 11 are avoided.
Optionally, the buffer flow passage 50 is an arc flow passage, i.e. the axis of the buffer flow passage 50 is an arc.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the appearance part of the utility model is made by adopting a spraying-free technology, is an injection molding product and is made of a spraying-free material, and comprises an annular structure 10, wherein a non-appearance surface 12 of the annular structure 10 is provided with a pouring gate forming area 30 corresponding to a pouring gate 20 of a mold; this annular structure 10 can be so that the weld line 15 that moulds plastics and produce produces on second arc portion 14 through setting up runner shaping district 30 on first arc portion 13, and after annular structure 10 installed on domestic appliance, weld line 15 was located domestic appliance's the back, and weld line 15 is in the place that the user is difficult to see promptly, has improved domestic appliance's outward appearance effect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. An appearance component, wherein the appearance component is a spray-free injection molded part, the appearance component comprising:
an annular structure (10) having an appearance face (11) and a non-appearance face (12), the non-appearance face (12) having a gate forming region (30) for corresponding to a gate (20) of a mold;
the annular structure (10) is provided with a first arc-shaped part (13) and a second arc-shaped part (14) which are oppositely arranged; when the ring-shaped structure (10) is mounted on a household appliance, the first arc-shaped part (13) is positioned on the front side of the household appliance, and the second arc-shaped part (14) is positioned on the back side of the household appliance; wherein the gate forming zone (30) is located on the first arcuate portion (13).
2. The appearance element according to claim 1, characterized in that said first arc-shaped portion (13) comprises, along its extension direction, a first arc-shaped segment (131), a second arc-shaped segment (132) and a third arc-shaped segment (133) connected in sequence, the length of said first arc-shaped segment (131) along its extension direction, the length of said second arc-shaped segment (132) along its extension direction and the length of said third arc-shaped segment (133) along its extension direction being equal; wherein the gate forming zone (30) is located on the second arc segment (132).
3. The appearance element according to claim 1, wherein the first arcuate portion (13) is arranged symmetrically with respect to a first reference plane, and the gate forming region (30) is arranged symmetrically with respect to the first reference plane.
4. The appearance part according to any one of claims 1 to 3, wherein the length of the gate forming zone (30) in its length direction is greater than or equal to 8 mm; and/or the presence of a gas in the gas,
the width of the gate forming area (30) along the width direction thereof ranges from 0.6mm to 2 mm.
5. The appearance element according to any one of claims 1 to 3, characterized in that said non-appearance face (12) is provided with one of said gate-forming areas (30), said annular structure (10) having a perimeter less than or equal to 800 mm.
6. The appearance element according to any one of claims 1 to 3, characterized in that the annular structure (10) has an inner side and an outer side, the outer side being the appearance surface (11), the inner side being the non-appearance surface (12), the gate-forming zone (30) being located on the inner side.
7. -the appearance element according to any one of claims 1 to 3, characterized in that said annular structure (10) has a top face, a bottom face, an inner face and an outer face;
the bottom surface is a non-appearance surface (12), and the gate forming area (30) is positioned on the bottom surface; or alternatively
At least part of the outer side surface is a non-exterior surface (12), the gate forming zone (30) being located on the outer side surface; or
At least a portion of the inner side surface is a non-exterior surface (12) and the gate molding region (30) is located on the inner side surface; or
At least a portion of the top surface is a non-cosmetic surface (12), and the gate molding region (30) is located on the top surface.
8. The appearance element according to any one of claims 1 to 3, characterized in that the appearance face (11) is provided with a drawing grain, the extension direction of which is parallel to the flow direction of the injection-molded melt.
9. The appearance part according to any one of claims 1 to 3, wherein the appearance part is made of a spray-free material comprising a base material and particles distributed within the base material;
wherein the base material is a thermoplastic polymer material; the particles are at least one of metal particles, pearl powder and fibers.
10. A household appliance comprising an appearance component, the appearance face (11) of which forms at least part of the appearance face of the household appliance, characterized in that the appearance component is an appearance component according to any one of claims 1 to 9.
11. A mold having a cavity for forming the exterior part according to any one of claims 1 to 9, the mold further having a gate (20), the gate (20) communicating with the cavity.
12. The mold according to claim 11, characterized in that the gate (20) is a fan gate.
13. The mold of claim 11, further comprising a buffer runner (50) and a melt inlet (60), wherein a first end of the buffer runner (50) is connected to the melt inlet (60), and the buffer runner (50) is connected to an end of the gate (20) away from the cavity, so that the injection melt flows through the melt inlet (60), the buffer runner (50) and the gate (20) into the cavity in sequence; wherein the buffer flow channel (50) is a curved flow channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452347.4U CN217073193U (en) | 2021-12-31 | 2021-12-31 | Appearance part, household appliance and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452347.4U CN217073193U (en) | 2021-12-31 | 2021-12-31 | Appearance part, household appliance and mold |
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| Publication Number | Publication Date |
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| CN217073193U true CN217073193U (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123452347.4U Active CN217073193U (en) | 2021-12-31 | 2021-12-31 | Appearance part, household appliance and mold |
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| CN (1) | CN217073193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891059A (en) * | 2022-11-10 | 2023-04-04 | 珠海格力电器股份有限公司 | Plate-shaped appearance part, household appliance and mold |
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2021
- 2021-12-31 CN CN202123452347.4U patent/CN217073193U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891059A (en) * | 2022-11-10 | 2023-04-04 | 珠海格力电器股份有限公司 | Plate-shaped appearance part, household appliance and mold |
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