CN217098691U - Appearance part, household appliance and mold - Google Patents

Abstract

The utility model provides an outward appearance part, domestic appliance and mould. The appearance part is a spraying-free injection molding part and comprises an appearance part body, and the appearance part body is provided with an appearance surface and a non-appearance surface; the appearance part further includes: the connecting structure is arranged on the non-appearance surface and provided with an installation surface, and the installation surface is arranged away from the non-appearance surface; and the screw column is arranged on the mounting surface. The utility model discloses the problem of the easy appearance defect that produces of spraying injection molding among the prior art has been solved effectively.

Description

Appearance part, household appliance and mold

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.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an outward appearance part, domestic appliance and mould to the spraying injection molding that exempts from among the solution prior art produces appearance defects's problem easily.

In order to achieve the above object, according to one aspect of the present invention, there is provided an appearance part, which is a spray-free injection molded part, the appearance part including an appearance body having an appearance surface and a non-appearance surface; the appearance part further includes: the connecting structure is arranged on the non-appearance surface and provided with an installation surface, and the installation surface is arranged away from the non-appearance surface; and the screw column is arranged on the mounting surface.

Further, the appearance part further includes: the connecting ribs are arranged between the connecting structure and the non-appearance surface so as to connect the connecting structure and the non-appearance surface; wherein, the extending direction of the connecting ribs and the flowing direction of the injection molding melt form a first preset included angle, and the first preset included angle is larger than 15 degrees.

Further, the connection structure includes: the coaming is connected with the first end face of the coaming through the connecting ribs; and the mounting plate is arranged on the second end face of the enclosing plate, and the surface of the mounting plate, which is far away from the non-appearance surface, is a mounting surface.

Further, the appearance part further includes: the first reinforcing rib is connected with the outer peripheral surface and the non-appearance surface of the connecting structure; the first reinforcing ribs are arranged around the circumferential direction of the connecting structure at intervals; the extending direction of the first reinforcing ribs and the flowing direction of the injection molding melt form a second preset included angle, and the second preset included angle is larger than 15 degrees.

Further, the thickness of the root of the connecting rib is less than or equal to 0.6T; and/or the thickness of the root of the first reinforcing rib is less than or equal to 0.6T; wherein, T is the main material thickness of the appearance piece body.

Further, the appearance part further includes: the second reinforcing ribs are connected with the outer peripheral surface and the mounting surface of the screw column; the second strengthening rib strip is a plurality of, and a plurality of second strengthening rib strips set up around the circumference interval of screw post.

Further, the appearance surface is provided with a gate forming area corresponding to a gate of the mold, and the minimum distance between the screw column and the gate forming area is larger than the distance between the screw column and the injection molding tail end of the appearance body along the flow direction of the injection molding melt.

Further, the external appearance surface has a gate molding area for corresponding to a gate of the mold, and a minimum distance between the screw post and the gate molding area is greater than or equal to 20 mm.

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 any one or more of metal particles, pearls-lustre 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 the appearance component is the above appearance component.

According to the utility model discloses an on the other hand provides a mould, and the mould has the die cavity that is used for forming foretell outward appearance part, and the mould still has the runner, and the runner is linked together with the die cavity.

Use the technical scheme of the utility model, the outward appearance part adopts and exempts from the spraying technique to make, and this outward appearance part is injection moulding goods and is made by exempting from the spray material, and the screw post passes through connection structure and sets up on non-outward appearance face, and then avoids setting up of screw post to influence the steady flow of fuse-element on the outward appearance face, reduces outward appearance defects such as flow mark, runner mark and weld mark appear on the outward appearance face, has solved the problem that the spraying injection molding produces outward appearance defect easily.

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 a schematic perspective view of an embodiment of an appearance element according to the invention;

fig. 2 shows an enlarged schematic view at Z of the appearance part in fig. 1;

FIG. 3 shows a top view of the appearance component of FIG. 1;

FIG. 4 shows a front view of the appearance component of FIG. 1; and

fig. 5 shows a side view of the exterior part of fig. 1.

Wherein the figures include the following reference numerals:

10. an appearance piece body; 11. appearance surface; 12. a non-exterior surface; 300. a connecting structure; 301. a mounting surface; 310. enclosing plates; 320. mounting a plate; 400. a screw post; 510. connecting ribs; 520. a first reinforcing rib; 530. a second reinforcing bead.

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 is noted that, unless otherwise indicated, 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.

In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the spraying-free injection molding in the prior art easily generates appearance defects, the application provides an appearance part, a household appliance and a mold.

As shown in fig. 1 to 5, the appearance part is a spray-free injection molding part, and comprises an appearance part body 10, wherein the appearance part body 10 is provided with an appearance surface 11 and a non-appearance surface 12; the appearance part further includes a connection structure 300 and a screw post 400. Wherein, the connecting structure 300 is arranged on the non-appearance surface 12, the connecting structure 300 is provided with a mounting surface 301, and the mounting surface 301 is arranged away from the non-appearance surface 12. The screw post 400 is disposed on the mounting surface 301.

Use the technical scheme of this embodiment, the outward appearance part adopts and exempts from the spraying technique to make, and this outward appearance part is injection moulding goods and by exempting from the spraying material to make, and screw post 400 passes through connection structure 300 and sets up on non-outward appearance face 12, and then avoids setting up of screw post 400 to influence the steady flow of fuse-element on the outward appearance face 11, appearance defects such as flow mark, runner mark and weld mark appear on reducing outward appearance face 11, has solved the problem that the spraying-free injection molding produces appearance defect easily.

In the present embodiment, the non-exterior surface 12 is located inside the exterior surface 11 and is disposed opposite to the exterior surface 11.

In this embodiment, the mounting surface 301 is a plane, so that the connection area between the screw column 400 and the non-exterior surface 12 is increased, the connection stability between the screw column 400 and the exterior body 10 is improved, the structural strength of the exterior component is improved, the screw column 400 is easier and simpler to process, and the processing difficulty is reduced. Wherein the central axis of the screw column 400 is perpendicular to the mounting surface 301.

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 (also called a gate) is communicated with the cavity, a material in the gate forms a gate molding part, and a region where the appearance part is connected with the gate molding part is a gate molding region.

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.

The appearance part in this application adopts and exempts from the spraying technique to make, and this appearance part is injection moulding goods and is made by exempting from the spraying material, and the spraying injection molding of exempting from has unique shadow effect and metallic luster after the shaping, does not pass through secondary treatment and can reach the appearance effect that is comparable with or is superior to the spraying, and this technique possesses advantages such as excellent in function, low cost, environmental protection.

Alternatively, there is one screw post 400 and one attachment structure 300; alternatively, there are a plurality of screw columns 400 and a plurality of connection structures 300, and the plurality of connection structures 300 are provided in one-to-one correspondence with the plurality of screw columns 400.

In this embodiment, there are three screw columns 400, three connecting structures 300 and three fasteners, and the three fasteners are inserted into the screw columns 400 and other structures to connect the external appearance components and other structures.

As shown in fig. 1 and 2, the exterior member further includes a connection rib 510. Wherein the connecting ribs 510 are disposed between the connecting structure 300 and the non-exterior surface 12 to connect the connecting structure 300 and the non-exterior surface 12. Wherein, the extending direction of the connecting rib 510 and the flowing direction of the injection molding melt form a first preset included angle, and the first preset included angle is larger than 15 °. Like this, because the connection area of connecting rib 510 and non-outward appearance face 12 is less than the connection area that screw post 400 directly carried out the connection with non-outward appearance face 12, and then avoid setting up of screw post 400 to influence the steady flow of fuse-element on outward appearance face 11, prevent to appear on the outward appearance face 11 and flow mark. Meanwhile, the structure of the connecting rib 510 is simpler, and the processing cost of the appearance part is reduced.

In this embodiment, along the extending direction of the connecting rib 510, the side wall of the root portion connected to the non-exterior surface 12 at the first end of the connecting rib 510 is a first arc-shaped surface, the side wall of the root portion connected to the non-exterior surface 12 at the second end of the connecting rib 510 is a second arc-shaped surface, and the first arc-shaped surface and the second arc-shaped surface are both bent toward the non-exterior surface 12.

In this embodiment, the connecting ribs 510 are arc-shaped ribs, and the first predetermined included angle is an included angle formed between a tangential direction of the arc-shaped ribs and a flowing direction of the injection molding melt.

As shown in fig. 2, the connection structure 300 includes an enclosure 310 and a mounting plate 320. Wherein the connecting ribs 510 are connected with the first end face of the coaming 310. The mounting plate 320 is disposed on a second end face of the enclosure 310, and a surface of the mounting plate 320 remote from the non-exterior surface is a mounting surface. Thus, the connecting structure 300 is simpler in structure, easy to process and realize, and the processing cost and the processing difficulty of the appearance part are reduced.

As shown in fig. 1 and 2, the exterior member further includes a first reinforcing bead 520. The first reinforcing beads 520 are connected to both the outer circumferential surface of the connection structure 300 and the non-exterior surface 12. Thus, the arrangement increases the connection strength between the connection structure 300 and the non-appearance surface 12, further improves the overall structural strength of the appearance component, and avoids the screw column 400 from being separated from the non-appearance surface 12 to influence the assembly of the appearance component and other structures.

In this embodiment, the side wall of the root portion where the first reinforcing rib 520 is connected to the non-exterior surface 12 is a third arc-shaped surface, the third arc-shaped surface is curved toward the non-exterior surface 12, and the first reinforcing rib 520 is disposed on the outer circumferential surface of the surrounding plate 310.

Optionally, the first reinforcing rib 520 is plural, and the plural first reinforcing ribs 520 are arranged at intervals around the circumference of the connecting structure 300. Thus, the above arrangement increases the contact area between the first reinforcing rib 520 and the connecting structure 300 and the non-exterior surface 12, thereby enhancing the strength reinforcing effect of the first reinforcing rib 520.

In this embodiment, there are four first reinforcing bars 520, and four first reinforcing bars 520 are provided at intervals around the circumference of the connecting structure 300. It should be noted that the number of the first reinforcing ribs 520 is not limited to this, and may be adjusted according to the working condition and the use requirement. Optionally, the first strengthening ribs 520 are two, or three, or five, or six, or more.

Specifically, two first reinforcing ribs 520 are located on one side of the connecting structure 300, the other two first reinforcing ribs 520 are located on the other side of the connecting structure 300, and the two first reinforcing ribs 520 located on different sides are oppositely arranged.

Optionally, all the first reinforcing ribs 520 extend in the same direction to reduce the characteristic filling rate gradient change of the injection molding melt in the direction parallel to the flow direction, so as to further prevent the appearance surface 11 from generating flow marks to influence the appearance of the appearance part.

Optionally, the thickness of the root of the connecting rib 510 is less than or equal to 0.6T; wherein T is the main material thickness of the exterior body 10. Thus, the arrangement avoids the influence of the arrangement of the connecting ribs 510 on the smooth flow of the melt on the appearance surface 11, and further prevents the appearance surface 11 from generating flow marks to influence the appearance attractiveness of the appearance part.

Optionally, the thickness of the root of the first strengthening rib 520 is less than or equal to 0.6T; wherein T is the main material thickness of the exterior body 10. Thus, the arrangement avoids the influence of the arrangement of the first reinforcing ribs 520 on the smooth flowing of the melt on the appearance surface 11, and further prevents the appearance surface 11 from generating flow marks to influence the appearance aesthetic property of the appearance part.

In this embodiment, the extending direction of the first reinforcing ribs 520 and the flowing direction of the injection molding melt form a second predetermined included angle, and the second predetermined included angle is greater than 15 °. Thus, the arrangement ensures that the extending direction of the first reinforcing rib 520 is approximately parallel to the filling direction of the injection molding melt during injection molding, thereby reducing the characteristic filling speed gradient change of the injection molding melt in the parallel flow direction and further preventing the appearance surface 11 from generating flow marks to influence the appearance aesthetic degree of the appearance part.

As shown in fig. 1 and 2, the exterior member further includes a second reinforcing bead 530. Wherein the second reinforcing rib 530 is connected to both the outer circumferential surface of the screw column 400 and the mounting surface 301. Thus, the above arrangement increases the contact area between the second reinforcing rib 530 and the screw column 400 and the mounting surface 301, thereby enhancing the strength reinforcing effect of the second reinforcing rib 530.

Optionally, the second reinforcing rib 530 is plural, and a plurality of second reinforcing ribs 530 are provided at intervals around the circumference of the screw column 400. Thus, the above arrangement increases the contact area between the second reinforcing rib 530 and the screw column 400 and the mounting surface 301, thereby enhancing the strength reinforcing effect of the second reinforcing rib 530.

In this embodiment, there are four second reinforcing ribs 530, and four second reinforcing ribs 530 are provided at intervals around the circumference of the screw column 400. It should be noted that the number of the second reinforcing ribs 530 is not limited to this, and may be adjusted according to the working condition and the use requirement. Optionally, the second strengthening ribs 530 are two, or three, or five, or six, or more.

In the present embodiment, the design surface 11 has a gate forming area for corresponding to a gate of the mold, and a minimum distance between the screw post 400 and the gate forming area is greater than a distance between the screw post 400 and an injection end of the design body 10 in a flow direction of the injection melt. Like this, because the fuse-element of moulding plastics is keeping away from runner shaping district or speed and pressure are more steady when filling the end, and then reduce the aluminum sheet upset, further avoid appearing the flow mark on the outward appearance face 11.

It should be noted that the minimum distance between the screw post 400 and the gate molding region refers to the distance between the screw post 400 closest to the gate molding region among the plurality of screw posts 400 and the gate molding region.

In the present embodiment, the design surface 11 has a gate molding region for corresponding to a gate of the mold, and the minimum distance between the screw post 400 and the gate molding region is greater than or equal to 20 mm. Like this, because the fuse-element of moulding plastics is keeping away from runner shaping district or speed and pressure are more steady when filling the end, and then reduce the aluminum sheet upset, further avoid appearing the flow mark on the outward appearance face 11.

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 any one or more of metal particles, pearls-lustre powder and fibers. Thus, the spraying-free material contains the particles, so that the injection molding part has unique light shadow effect and metallic luster after molding, and the appearance effect which is comparable to or better than that of spraying can be achieved without secondary treatment.

Optionally, the metal particles are aluminum or copper.

Optionally, the fiber is nylon or natural fiber.

Optionally, the appearance component is a desk top clean drink machine base.

The application also provides a household appliance (not shown) comprising an appearance component, wherein the appearance surface 11 of the appearance component forms at least part of the appearance surface of the household appliance, and the appearance component is the appearance component.

Optionally, the household appliance is a table top water dispenser.

The present application also provides a mold (not shown) having a cavity for forming the aforementioned appearance part, the mold further having a gate communicating with the cavity.

Optionally, the mold further comprises a buffer runner and a melt inlet, a first end of the buffer runner is communicated with the melt inlet, and the buffer runner is communicated with one end of the gate away from the cavity, so that the injection molding melt sequentially flows through the melt inlet, the buffer runner and the gate and then enters the cavity.

Optionally, the buffer flow channel is a curved flow channel or an arc-shaped flow channel. Therefore, the buffer flow channel plays a role in rubber material buffering, and the rubber material freezing time is further prolonged.

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 adopts and exempts from the spraying technique to make, and this appearance part is injection moulding goods and is made by exempting from the spray material, and the screw post passes through connection structure and sets up on non-outward appearance face, and then avoids setting up of screw post to influence the steady flow of fuse-element on the outward appearance face, reduces appearance defects such as flow mark, runner mark and weld mark appear on the outward appearance face, has solved the problem that exempt from the spraying injection molding to produce appearance defects easily.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

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 capable of operation in sequences other than those illustrated or described herein.

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 (11)

1. An appearance part which is a spray-free injection-molded part and comprises an appearance body (10), wherein the appearance body (10) is provided with an appearance surface (11) and a non-appearance surface (12); the appearance member further includes:

a connection structure (300) disposed on the non-exterior surface (12), the connection structure (300) having a mounting surface (301), the mounting surface (301) being disposed away from the non-exterior surface (12);

a screw post (400) disposed on the mounting surface (301).

2. The appearance element according to claim 1, characterized in that the appearance element further comprises:

-a connecting rib (510) arranged between the connecting structure (300) and the non-facade (12) to connect the connecting structure (300) and the non-facade (12); wherein, be a first predetermined contained angle setting between the extending direction of connecting rib (510) and the flow direction of the fuse-element of moulding plastics, first predetermined contained angle is greater than 15.

3. The appearance element according to claim 2, characterized in that said connection structure (300) comprises:

the coaming (310), the said connection rib (510) is connected with first end of the said coaming (310);

and the mounting plate (320) is arranged on the second end face of the enclosing plate (310), and the surface, away from the non-appearance surface (12), of the mounting plate (320) is the mounting surface (301).

4. The appearance element according to claim 2, characterized in that the appearance element further comprises:

a first reinforcing bead (520), said first reinforcing bead (520) being connected to both the outer peripheral surface of said connecting structure (300) and said non-exterior surface (12); wherein the first reinforcing rib (520) is provided in plurality, and the plurality of first reinforcing ribs (520) are arranged at intervals around the circumference of the connecting structure (300); the extending direction of the first reinforcing ribs (520) and the flowing direction of the injection molding melt form a second preset included angle, and the second preset included angle is larger than 15 degrees.

5. The appearance element according to claim 4, characterized in that the thickness of the root of said connecting rib (510) is less than or equal to 0.6T; and/or the thickness of the root of the first reinforcing bar (520) is less than or equal to 0.6T; wherein T is the main material thickness of the appearance piece body (10).

6. The appearance element according to claim 1, characterized in that the appearance element further comprises:

a second reinforcing rib (530), wherein the second reinforcing rib (530) is connected with both the outer peripheral surface of the screw column (400) and the mounting surface (301); the second reinforcing ribs (530) are multiple, and the second reinforcing ribs (530) are arranged around the screw column (400) at intervals in the circumferential direction.

7. The appearance part according to any one of claims 1 to 6, wherein the appearance surface (11) has a gate forming region for corresponding to a gate of a mold, and a minimum distance between the screw post (400) and the gate forming region is larger than a distance between the screw post (400) and an injection molding tip of the appearance body (10) in a flow direction of the injection-molded melt.

8. The appearance element according to any one of claims 1 to 6, wherein the appearance surface (11) has a gate-forming zone for corresponding to a gate of a mold, the minimum distance between the screw stud (400) and the gate-forming zone being greater than or equal to 20 mm.

9. The appearance component according to claim 1, wherein the appearance component 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 any one or more of metal particles, pearls-lustre 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 communicating with the cavity.

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