CN217090372U

CN217090372U - Face lid part, domestic appliance and mould

Info

Publication number: CN217090372U
Application number: CN202123452312.0U
Authority: CN
Inventors: 谢武彬; 刘秋元; 尹志雄; 李锦彬; 江松
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-02
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a surface cover part, a household appliance and a mould, wherein the surface cover part comprises a surface cover part body, the surface cover part body comprises an end wall and a side wall arranged around the end wall, the surface cover part is a spraying-free injection molding part, and at least part of the outer side wall surface of the side wall is an appearance surface; the end wall comprises a first plate section and a second plate section, the first plate section and the second plate section are both connected with the side wall, and a separation gap is formed between the first plate section and the second plate section; the cover component body comprises a first structure body and a second structure body connected with the first structure body, when the cover component body is installed on the household appliance, the first structure body is positioned on the front side of the household appliance, and the second structure body is positioned on the back side of the household appliance; wherein the first structural body includes a first plate section having a gate forming region for corresponding to a gate of the mold. The utility model discloses a face lid part has solved the problem that the spraying injection molding of exempting from among the prior art produced appearance defects easily.

Description

Face lid part, domestic appliance and mould

Technical Field

The utility model relates to the technical field of household appliances, particularly, relate to a face lid part, household 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 effects and metallic luster after molding, and the appearance effect which is comparable to or superior to that of spraying 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.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a face lid part, domestic appliance and mould to the problem of the spraying injection molding that exempts from among the solution prior art produces appearance defects easily is provided.

In order to achieve the above object, according to one aspect of the present invention, there is provided a face cover member, comprising a face cover member body, the face cover member body comprising an end wall and a side wall disposed around the end wall, the face cover member being a spray-free injection molded part, at least a part of an outer side wall surface of the side wall being an appearance surface; the end wall comprises a first plate section and a second plate section, the first plate section and the second plate section are both connected with the side wall, and a separation gap is formed between the first plate section and the second plate section; the face cover component body comprises a first structural body and a second structural body connected with the first structural body, when the face cover component body is installed on the household appliance, the first structural body is positioned on the front face of the household appliance, and the second structural body is positioned on the back face of the household appliance; wherein the first structural body includes a first plate section having a gate forming region for corresponding to a gate of the mold.

Further, the gate forming region is located in a middle portion of the first structural body in a circumferential direction of the face cover member body.

Further, the face cover member body is disposed symmetrically with respect to the reference plane, and the first structural body and the gate forming region are disposed symmetrically with respect to the reference plane.

Further, the first top surface and the outer side wall surface of the end wall are connected, at least part of the first top surface is a non-exterior surface, the first top surface comprises a second top surface of the first plate section, and the gate forming area is located on the second top surface.

Further, the second plate section is provided with a first through hole.

Furthermore, the first through holes are multiple and are arranged at intervals.

Further, the second plate section comprises a first connecting plate and a second connecting plate, the first connecting plate is connected with the side wall through the second connecting plate, and the thickness of the second connecting plate is smaller than that of the first connecting plate.

Furthermore, a groove is arranged on the second plate section.

Further, the filling end of the second plate section is provided with a second through hole.

Further, the length of the face cover member in any extending direction thereof is less than or equal to 400 mm.

According to another aspect of the present invention, there is provided a household appliance comprising a surface cover member, wherein the surface cover member is the above surface cover member.

According to still another aspect of the present invention, there is provided a mold having a cavity for forming the above-mentioned face cover member, the mold further having a gate, the gate being communicated with the cavity.

The utility model discloses a face lid part adopts and exempts from the spraying technique to make, and this face lid part is injection moulding goods and is made by exempting from spraying material, exempts from the spraying injection molding to have unique shadow effect and metallic luster after the shaping, does not pass through secondary treatment and can reach the outward appearance effect that rivals or be superior to the spraying, and this technique possesses advantages such as excellent in function, low cost, environmental protection. The face cover component comprises an end wall and a side wall arranged around the end wall, and a separation gap is arranged between a first plate section and a second plate section of the end wall so as to enable the first plate section and the second plate section to be arranged in a separated mode, namely the first plate section and the second plate section are not directly connected; the gate forming area is positioned on the first plate section to ensure that the injection molding melt preferentially fills the side wall after passing through the gate and the first plate section, so that flow marks on the outer side wall surface are reduced; in addition, the first plate section is a partial structure of the first structural body, and the first structural body is positioned on the front face of the household appliance, so that the welding line is arranged on the outer side wall face of the second structural body, namely the welding line is positioned at a place which is not easy to see by a user, and the appearance effect of the household appliance is improved. Therefore, the surface cover part solves the problem that the spraying-free injection molding part is easy to generate appearance defects.

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 isometric view of an embodiment of a face cover component according to the present invention;

figure 2 shows a bottom view of an embodiment of a face cover component according to the present invention;

FIG. 3 shows a cross-sectional view of an embodiment of the face cap component of FIG. 2;

figure 4 shows a top view of an embodiment of a face cover component according to the invention;

FIG. 5 shows a cross-sectional view at section A-A of the face cap component of FIG. 4; and

fig. 6 shows a cross-sectional view at section B-B of the face cover member in fig. 4.

Wherein the figures include the following reference numerals:

10. an end wall; 11. a first top surface; 12. a first plate section; 13. a second plate section; 131. a first through hole; 132. a first connecting plate; 133. a second connecting plate; 134. a groove; 135. a second through hole; 14. a first structure body; 15. a second structural body; 20. a side wall; 21. an outer sidewall surface; 30. a gate; 40. a gate forming area.

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 a surface cover part, please refer to fig. 1 to 6, comprising a surface cover part body, wherein the surface cover part body comprises an end wall 10 and a side wall 20 arranged around the end wall 10, the surface cover part is a spraying-free injection molding part, and at least part of the outer side wall surface 21 of the side wall 20 is an appearance surface; the end wall 10 comprises a first plate section 12 and a second plate section 13, the first plate section 12 and the second plate section 13 are both connected with the side wall 20, and a separation gap is arranged between the first plate section 12 and the second plate section 13; the face cover component body comprises a first structural body 14 and a second structural body 15 connected with the first structural body 14, when the face cover component body is installed on the household appliance, the first structural body 14 is positioned on the front face of the household appliance, and the second structural body 15 is positioned on the back face of the household appliance; wherein the first structure body 14 comprises a first plate section 12, the first plate section 12 having a gate forming region 40 for corresponding to a gate 30 of a mold.

The utility model discloses a face lid part adopts and exempts from the spraying technique to make, and this face lid part is injection moulding goods and is made by exempting from spraying material, exempts from the spraying injection molding to have unique shadow effect and metallic luster after the shaping, does not pass through secondary treatment and can reach the outward appearance effect that rivals or be superior to the spraying, and this technique possesses advantages such as excellent in function, low cost, environmental protection. The face cover component comprises an end wall 10 and a side wall 20 arranged around the end wall 10, and a separation gap is arranged between a first plate section 12 and a second plate section 13 of the end wall 10 so as to enable the two to be arranged in a separation mode, namely the two are not directly connected; the gate forming area 40 is located on the first plate section 12 to ensure that the injection molding melt passes through the gate 30 and the first plate section 12 and then preferentially fills the side wall 20, thereby reducing flow marks on the outer side wall surface 21; in addition, the first plate section 12 is a partial structure of the first structure 14, and the first structure 14 is located on the front surface of the household appliance, so that the weld line appears on the outer side wall surface 21 of the second structure, that is, the weld line is located at a place which is not easily seen by a user, and the appearance effect of the household appliance is improved. Therefore, the surface cover part solves the problem that the spraying-free injection molding part is easy to generate appearance defects.

When the surface cover member is injection molded by using a mold, a cavity of the mold is used for molding the surface cover member, a gate 30 (also called a gate) is communicated with the cavity, a material in the gate 30 forms a gate molding portion, and a region where the surface cover member is connected to the gate molding portion is a gate molding region 40.

When the surface cover component is applied to the household appliance, the appearance surface is a component of the appearance of the household appliance, namely the appearance surface is a surface exposed in an application environment and visible to a user; the non-exterior surface is located inside the household appliance, i.e., the non-exterior surface is a surface hidden inside the household appliance and not seen by a user.

It should be noted that the front side of the household appliance is an end surface arranged toward the 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.

Specifically, the sidewall 20 may be an annular sidewall; it may also be a non-annular side wall, i.e. the two ends of the side wall 20 are not connected in the circumferential direction of the end wall 10.

Specifically, the gate forming region 40 is located in the middle of the first structural body 14 in the circumferential direction of the face cover member body. This arrangement makes the weld line in the middle of the second structure body 15, and since the second structure body 15 is on the back of the electric home appliance, the weld line is not easily visible when the user uses it.

Preferably, the face cover component body is symmetrically disposed with respect to a reference plane, and the first structure 14 and the gate forming region 40 are symmetrically disposed with respect to the reference plane. Such an arrangement further ensures that the weld line is not readily visible when the user is using it.

Specifically, the first top surface 11 and the outer side wall surface 21 of the end wall 10 are connected, at least a portion of the first top surface 11 is a non-exterior surface, the first top surface 11 includes a second top surface of the first plate section 12, and the gate forming region 40 is located on the second top surface. This arrangement reduces flow marks on the outer wall surface 21.

Specifically, the first top surface 11 is a non-exterior surface, and the outer side wall surface 21 is an exterior surface; the bottom surface of the end wall 10 opposite to the first top surface 11 is a non-exterior surface, and the inner side wall surface of the side wall 20 opposite to the outer side wall surface 21 is a non-exterior surface.

In the present embodiment, the second plate section 13 is provided with a first through hole 131. The open pore structure can ensure the assembly of the surface cover component and other parts of the household appliance; meanwhile, the open pore structure can increase the flowing resistance of the injection molding melt on the end wall 10, so that the end wall 10 is filled in a lagging mode, and the flow marks on the outer side wall surface 21 are reduced.

Optionally, the first through holes 131 are multiple, and the multiple first through holes 131 are arranged at intervals.

Preferably, at least three first through holes 131 are provided on the second plate section 13.

In the present embodiment, the second plate section 13 includes a first connecting plate 132 and a second connecting plate 133, the first connecting plate 132 is connected to the sidewall 20 by the second connecting plate 133, and the thickness of the second connecting plate 133 is smaller than that of the first connecting plate 132. This arrangement provides an increased resistance to the flow of the injection molding melt from the side walls 20 to the end walls 10, resulting in preferential filling of the side walls 20 and delayed filling of the end walls 10, reducing the flow marks that appear on the outer side wall surfaces 21.

Note that the thickness direction of the second connecting plate 133 and the thickness direction of the first connecting plate 132 are both the vertical direction in fig. 3.

In this embodiment, the second plate section 13 is provided with a groove 134. The recess 134 is of a thinned structure, i.e. the thickness at the second plate section 13 provided with the recess 134 is reduced, to increase the resistance of the injection melt to flow at the end wall 10, so that the injection melt is filled behind the end wall 10.

Specifically, the groove 134 is provided on the first top face 11.

In this embodiment, the filling end of the second plate section 13 is provided with a second through hole 135. The filling ends are provided with undercuts for intercepting the flow marks formed by the end wall 10 downstream thereof, visible to the end of a part of the cosmetic defect ending in said undercuts. The number of appearance defects is reduced, and the welding line shape is more regular.

In the present embodiment, the length of the face cover member in any extending direction thereof is less than or equal to 400 mm. Such an arrangement can reduce the risk of flow marks.

Specifically, when the length of the surface cover part in any extending direction is less than or equal to 400mm, the surface cover part is only provided with one gate forming area 40, the arrangement can reduce the generation of welding lines, and the problem that the spraying-free injection molding part is easy to generate appearance defects is solved.

In this embodiment, the design surface of the surface cover component 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 surface cover component is made of a spray-free material, and the spray-free material includes 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.

The application of the surface cover part greatly reduces flow marks, sprue lines and welding lines when the surface cover part is used for free-spraying materials, and ensures good appearance.

The utility model also provides a household appliance, including the face lid part, wherein, the face lid part is the face lid part in above-mentioned embodiment.

In particular, the household appliance is an electric rice cooker.

The utility model also provides a mould, wherein, the mould has the die cavity that is used for forming the face lid part in the above-mentioned embodiment, and the mould still has runner 30, and runner 30 is linked together with the die cavity.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

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

1. A face cover member comprising a face cover member body including an end wall (10) and a side wall (20) disposed around the end wall (10), characterized in that the face cover member is a spray-free injection molded part, at least a portion of an outer side wall surface (21) of the side wall (20) being an appearance surface;

the end wall (10) comprises a first plate section (12) and a second plate section (13), the first plate section (12) and the second plate section (13) are both connected with the side wall (20), and a separation gap is arranged between the first plate section (12) and the second plate section (13);

the cover component body comprises a first structural body (14) and a second structural body (15) connected with the first structural body (14), when the cover component body is installed on a household appliance, the first structural body (14) is positioned on the front side of the household appliance, and the second structural body (15) is positioned on the back side of the household appliance;

wherein the first structure body (14) comprises the first plate section (12), the first plate section (12) having a gate forming region (40) for corresponding to a gate (30) of a mold.

2. The face cover component according to claim 1, wherein the gate forming region (40) is located in a middle portion of the first structural body (14) in a circumferential direction of the face cover component body.

3. The face cover component according to claim 1, wherein the face cover component body is symmetrically disposed with respect to a reference plane, the first structure (14) and the gate forming region (40) being symmetrically disposed with respect to the reference plane.

4. -cover element according to claim 1, characterized in that the first top face (11) of the end wall (10) and the outer side wall face (21) are connected, at least part of the first top face (11) being a non-exterior face, the first top face (11) comprising a second top face of the first plate section (12), the gate-forming zone (40) being located on the second top face.

5. Face cover part according to one of claims 1 to 4, characterized in that a first through hole (131) is provided on the second plate section (13).

6. The surface cover member according to claim 5, wherein the first through hole (131) is plural, and the plural first through holes (131) are provided at intervals.

7. The face cover member according to any one of claims 1 to 4, wherein the second plate section (13) includes a first connecting plate (132) and a second connecting plate (133), the first connecting plate (132) being connected to the side wall (20) by the second connecting plate (133), the second connecting plate (133) having a thickness smaller than that of the first connecting plate (132).

8. -face cover member according to any one of claims 1 to 4, characterized in that a groove (134) is provided on the second plate section (13).

9. -face cover member according to any one of claims 1 to 4, characterized in that the filling end of the second plate section (13) is provided with a second through hole (135).

10. The face cover member according to any one of claims 1 to 4, wherein the length of the face cover member in any extending direction thereof is less than or equal to 400 mm.

11. A domestic appliance comprising a cover member, wherein the cover member is as claimed in any one of claims 1 to 10.

12. A mold having a cavity for forming a face cover member according to any one of claims 1 to 10, the mold further having a gate (30), the gate (30) communicating with the cavity.