CN219759428U

CN219759428U - Luminous knob assembly

Info

Publication number: CN219759428U
Application number: CN202320479620.2U
Authority: CN
Inventors: 谢小平; 李炳盛; 李红丰; 康伟雄; 张兴平
Original assignee: Chinabest Home Appliances Co Ltd
Current assignee: Chinabest Home Appliances Co Ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-09-26
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a luminous knob assembly, which comprises: the base is provided with a mounting cavity; the knob piece is rotatably arranged on the base; the light guide piece is arranged between the base and the knob piece and is provided with a light emitting surface surrounding the outer side of the knob piece; the lamp panel is arranged in the mounting cavity and positioned below the light guide piece, and light rays emitted by the lamp panel can be scattered from the light emitting surface to be emitted. The luminous knob assembly with the structure not only can be convenient for observing the working state of an electric appliance, but also can improve the problem of dazzling light rays and improve the comfort of people.

Description

Luminous knob assembly

Technical Field

The utility model relates to the technical field of electric appliances, in particular to a luminous knob assembly.

Background

At present, the existing gas stove is inconvenient to observe the position and the angle of a knob in the use environment with insufficient light, and is troublesome to use. Therefore, there is a knob in the market, and a luminous body is arranged in the knob, so that when the knob is rotated, the luminous body emits light upwards to enable people to observe the working state of the electric appliance. However, when the knob with the structure is used, the user can easily see the knob, so that discomfort is caused to the user, and the use effect is poor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the luminous knob assembly which not only can be convenient for observing the working state of an electric appliance, but also can improve the problem of dazzling light rays and improve the comfort of people.

According to an embodiment of the present utility model, a luminous knob assembly includes: the base is provided with a mounting cavity; the knob piece is rotatably arranged on the base; the light guide piece is arranged between the base and the knob piece and is provided with a light emitting surface surrounding the outer side of the knob piece; the lamp panel is arranged in the mounting cavity and positioned below the light guide piece, and light rays emitted by the lamp panel can be scattered from the light emitting surface to be emitted.

The luminous knob assembly provided by the embodiment of the utility model has at least the following beneficial effects: when the rotary knob is used, the lamp panel is powered on and irradiates towards the light guide member, light propagates in the light guide member and finally is scattered out of the light emitting surface to form an annular aperture surrounding the periphery of the knob member. The formed annular aperture not only can facilitate people to observe the working state of the electric appliance under the condition of insufficient light, but also can lead the light scattered by the annular aperture to be soft, and the direction of light emission is different from the direction of the human eyes to the knob piece, thereby reducing the problem that the light is directly emitted to the human eyes to cause light glare, and further improving the comfort of people.

It can be understood that the light guide member can be made of acrylic material or other materials with higher transmittance by adopting integrated molding, which is beneficial to reducing light loss and facilitating light transmission.

In some embodiments of the utility model, the light guide has a flat plate portion opposite the light panel, the flat plate portion being connected to the base by a threaded fastener.

In some embodiments of the present utility model, the light panel is provided with a plurality of light beads distributed at intervals in a circumferential direction, and the light beads face upward toward the flat plate portion.

In some embodiments of the present utility model, the area where the flat plate portion overlaps the lamp bead is a light-entering area, and the surfaces of the light guide member except the light-emitting surface and the light-entering area are provided with a light-reflecting layer.

In some embodiments of the present utility model, the base is provided with a plug post extending in a vertical direction, the flat plate portion and the lamp panel are both provided with alignment holes, and the plug post passes through the two alignment holes so that the light inlet area and the lamp beads overlap each other.

In some embodiments of the present utility model, the inner bottom wall of the base is provided with a plurality of ribs distributed at intervals circumferentially, and a plurality of ribs jointly define a mounting area for accommodating the lamp panel.

In some embodiments of the present utility model, the inner bottom wall of the base is further provided with a limiting post located between two adjacent ribs, and a fastening structure is disposed between the limiting post and the lamp panel to limit the lamp panel from being separated from the mounting area.

In some embodiments of the utility model, the light emitting surface is an arc convex surface.

In some embodiments of the present utility model, a side wall of the light guide opposite to the light emitting surface is provided with an uneven surface structure.

In some embodiments of the present utility model, the light emitting knob assembly of any of the above embodiments may be used in a household cooking appliance, which may be a gas range, an oven, a toaster, or the like.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of an embodiment of a luminous knob assembly according to the present utility model;

FIG. 2 is an exploded view of the embodiment of FIG. 1;

FIG. 3 is an internal cross-sectional view of the embodiment of FIG. 1;

FIG. 4 is a schematic view of one embodiment of a mounting panel with a lighted knob assembly according to the present utility model.

In the figure: the light guide plate comprises a base 100, a mounting cavity 110, a plug-in column 120, ribs 130, a limit column 140, a mounting column 150, a knob piece 200, a light guide piece 300, a light emitting surface 301, a flat plate part 302, a lamp panel 400, lamp beads 410, a clamping part 420, a threaded fastener 500 and a mounting panel 600.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and to simplify the description, and do not indicate or imply that the devices 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 utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, a luminous knob assembly includes: base 100, knob member 200, light guide 300 and lamp panel 400. Wherein the base 100 is provided with a mounting cavity 110; the knob member 200 is rotatably disposed on the base 100; the light guide 300 is disposed between the base 100 and the knob member 200, and the light guide 300 has a light emitting surface 301 surrounding the outer side of the knob member 200; the lamp panel 400 is disposed in the mounting cavity 110 and located below the light guide 300, and light emitted by the lamp panel 400 can be scattered from the light emitting surface 301.

In the light-emitting knob assembly with the above structure, the lamp panel 400 is powered on and irradiates toward the light guide 300, and light propagates inside the light guide 300 and finally is scattered out of the light-emitting surface 301 to form an annular aperture surrounding the periphery of the knob member 200. The formed annular aperture not only can facilitate people to observe the working state of the electric appliance under the condition of insufficient light, but also can lead the light scattered by the annular aperture to be soft, and the direction of light emission is different from the direction of the human eyes to see the knob piece 200, thereby reducing the problem that the light is directly emitted to the human eyes to cause light glare, and further improving the comfort of people. It can be appreciated that the light guide 300 can be made of acryl material or other materials with high transmittance by integral molding, which is beneficial to reducing light loss and facilitating light transmission.

Referring to fig. 1 to 3, in some embodiments of the present utility model, the light guide 300 has a flat plate portion 302 opposite to the lamp panel 400, and the flat plate portion 302 is connected to the base 100 by a screw fastener 500. Specifically, the bottom wall of the base 100 opposite to the flat plate portion 302 is provided with the mounting post 150, the inside of the mounting post 150 is provided with a threaded hole, the flat plate portion 302 is provided with a through hole, and the threaded fastener 500 penetrates through the through hole and is screwed into the threaded hole, so that people can conveniently and easily connect the light guide 300 to the base 100, and the mounting and the dismounting are simple and convenient. In addition, the flat plate portion 302 is beneficial to the light guide 300 and the mounting post 150 to form planar contact so as to be convenient for screwing the threaded fastener 500, so that the contact area of the light guide 300 and the mounting post 150 is increased, and the stability of mounting the light guide 300 is improved. It will be appreciated that threaded fastener 500 may be selected as desired for bolts or screws.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the lamp panel 400 is provided with a plurality of lamp beads 410 circumferentially spaced apart, and the lamp beads 410 face upward toward the flat plate portion 302. Specifically, the plurality of light beads 410 are distributed at different positions of the light panel 400, so that the area of the light covering the flat plate portion 302 is advantageously increased, and the light can finally be uniformly emitted towards the periphery of the light emitting surface 301, thereby achieving the effect of uniformly illuminating the surrounding environment of the knob member 200. It is understood that the number of the light beads 410 may be four or five, the type of the light beads 410 may be LED light beads 410 emitting white light or warm white light, and the type and number of the specific light beads 410 may be adjusted accordingly according to the actual situation.

Referring to fig. 2 and fig. 3, in some embodiments of the present utility model, the area where the flat plate portion 302 overlaps the lamp bead 410 is a light-entering area, and the surfaces of the light guide 300 except for the light-exiting surface 301 and the light-entering area are provided with a light-reflecting layer. Specifically, the light reflecting layer is disposed, so that a channel for transmitting light can be formed inside the light guide 300, and the light is continuously refracted by the light reflecting layer and finally diverges from the light emitting surface 301, so that the light emitted from the light emitting surface 301 is more uniform and softer, and the amount of the light leaking out of the light guide 300 when the light propagates inside the light guide 300 is reduced, thereby reducing the loss of the light. It is to be understood that the light reflecting layer may be a silver plating coating formed on the surface of the light guide 300 by spraying or etching process, or may be a light reflecting paper adhered on the surface of the light guide 300, which is not particularly limited. In some embodiments, the reflective layer may also be disposed on the inner wall of the knob member 200, so that the inner wall of the knob member 200 reflects the light leaked from the light guide 300 back, thereby reducing the loss of light.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the base 100 is provided with the plugging columns 120 extending along the vertical direction, the flat plate portion 302 and the lamp panel 400 are provided with alignment holes, and the plugging columns 120 pass through the two alignment holes to enable the light inlet area and the lamp beads 410 to overlap each other, which is beneficial to reducing the difficulty of aligning the light inlet area and the lamp beads 410, and is beneficial to guiding and limiting the installation of the flat plate portion 302 and the lamp panel 400, thereby improving the installation efficiency of the two.

Referring to fig. 2 and 3, in some embodiments of the present utility model, in order to facilitate placement of the lamp panel 400, the inner bottom wall of the base 100 is provided with a plurality of ribs 130 circumferentially spaced apart, and the plurality of ribs 130 together define a mounting area for accommodating the lamp panel 400. It can be appreciated that, in order to avoid the lamp panel 400 rotating, the lamp panel 400 is provided with a clamping portion 420, and the clamping portion 420 can be clamped between two adjacent ribs 130.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the inner bottom wall of the base 100 is further provided with a limiting post 140 located between two adjacent ribs 130, and a fastening structure is provided between the limiting post 140 and the lamp panel 400 to limit the lamp panel 400 from being separated from the mounting area. Specifically, the buckle structure includes an elastic protrusion and a sinking groove, the elastic protrusion is disposed at one end of the limiting post 140 away from the inner bottom wall of the base 100, the sinking groove is disposed on the upper end surface of the lamp panel 400, the lamp panel 400 is disposed in the mounting area, and the elastic protrusion can recover deformation and be clamped in the sinking groove, so that the lamp panel 400 is limited to be separated from the mounting area upwards.

In some embodiments of the present utility model, in order to enable the light to scatter, the light emitting surface 301 is an arc convex surface to avoid the problem of too strong local light caused by light convergence.

In some embodiments of the present utility model, a sidewall of the light guide 300 opposite to the light emitting surface 301 is provided with a rugged surface structure. Specifically, the uneven surface structure can enable light to form diffuse reflection on the surface structure, so that the light can be emitted out of the light emitting surface 301 in a diffuse reflection mode, the light is even and soft, the phenomenon of dazzling light is further reduced, and the comfort of people in use is improved.

Referring to fig. 4, in some embodiments of the present utility model, the light emitting knob assembly of any of the above embodiments may be used in a household cooking appliance, which may be a gas range, an oven, a toaster, or the like. Specifically, the cooking appliance is provided with a mounting panel 600 and a valve stem, the base 100 of the luminous knob assembly is fixedly mounted on the mounting panel 600, the lamp panel 400 positioned in the base 100 is connected with a power supply circuit in the mounting panel 600, and the knob member 200 is fixedly connected with the valve stem, and people adjust the fire power of the cooking appliance through the valve stem by rotating the knob member 200.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A lighted knob assembly, comprising:

a base (100), the base (100) being provided with a mounting cavity (110);

a knob member (200) rotatably provided to the base (100);

a light guide member (300) provided between the base (100) and the knob member (200), the light guide member (300) having a light exit surface (301) surrounding the outside of the knob member (200);

the lamp panel (400) is arranged in the mounting cavity (110) and positioned below the light guide piece (300), and light rays emitted by the lamp panel (400) can be scattered from the light emitting surface (301).

2. The illuminated knob assembly according to claim 1, wherein:

the light guide (300) has a flat plate portion (302) opposite to the lamp panel (400), and the flat plate portion (302) is connected to the base (100) by a threaded fastener (500).

3. The illuminated knob assembly according to claim 2, wherein:

the lamp panel (400) is provided with a plurality of lamp beads (410) which are circumferentially distributed at intervals, and the lamp beads (410) face upwards to the flat plate part (302).

4. A lighted knob assembly according to claim 3, wherein:

the area where the flat plate part (302) and the lamp beads (410) overlap is a light inlet area, and the surfaces of the light guide member (300) except the light outlet surface (301) and the light inlet area are provided with light reflecting layers.

5. The illuminated knob assembly according to claim 4, wherein:

the base (100) is provided with a plug-in column (120) extending along the vertical direction, the flat plate part (302) and the lamp panel (400) are respectively provided with an alignment hole, and the plug-in column (120) penetrates through the two alignment holes so that the light inlet area and the lamp beads (410) are mutually overlapped.

6. The illuminated knob assembly according to claim 1, wherein:

the inner bottom wall of the base (100) is provided with a plurality of ribs (130) which are circumferentially distributed at intervals, and a plurality of the ribs (130) jointly define a mounting area for accommodating the lamp panel (400).

7. The illuminated knob assembly according to claim 6, wherein:

the inner bottom wall of the base (100) is also provided with a limiting column (140) located between two adjacent ribs (130), and a clamping structure is arranged between the limiting column (140) and the lamp panel (400) to limit the lamp panel (400) to be separated from the installation area.

8. The illuminated knob assembly according to claim 1, wherein:

the light-emitting surface (301) is an arc convex surface.

9. The illuminated knob assembly according to claim 1, wherein:

the side wall of the light guide member (300) opposite to the light emitting surface (301) is provided with an uneven surface structure.