CN210621225U

CN210621225U - Rotary assembly for knob

Info

Publication number: CN210621225U
Application number: CN201921071169.0U
Authority: CN
Inventors: 化范猛; 王红强; 毛玉金
Original assignee: Whirlpool China Co Ltd
Current assignee: Whirlpool China Co Ltd
Priority date: 2019-04-26
Filing date: 2019-07-10
Publication date: 2020-05-26
Anticipated expiration: 2029-07-10
Also published as: CN210439006U; CN210439005U

Abstract

The utility model discloses a rotating assembly for knob, rotate seat, fixed body, knob rosette including the knob, fixed body upper portion sets up the seat is rotated to the knob, the knob rotates seat upper portion and sets up the knob rosette. The utility model discloses a be equipped with metal conducting strip A on the knob rotates the seat, a plurality of contacts Z are according to certain angular distribution on metal conducting strip A, and metal conducting strip B is installed to the lower extreme correspondence of the fixed body, metal conducting strip C and metal conducting strip D, rotate the seat along with the knob and rotate, metal conducting strip A rotates, contact and metal conducting strip B on the metal conducting strip A, metal conducting strip C and the corresponding contact of antenna that metal conducting strip D exposes in the fixed body outside, form incremental encoder function, transmit the rotation signal for the PCBA board, and then can select different procedures, the user operation of being convenient for.

Description

Rotary assembly for knob

Technical Field

The utility model relates to a washing machine technical field especially relates to a rotating assembly for knob.

Background

The washing machine is a cleaning appliance for washing clothes by using mechanical action generated by electric energy, and is divided into two types of household appliances and collectors according to rated washing capacity, and the market popularity of the washing machine in China currently exceeds 76% nationwide, wherein the market of cities and towns exceeds 96%, and the market of rural areas also exceeds 53%; along with the national development of the policies of household appliances for going to the countryside and expanding internal demand, washing machine enterprises aim at the rural market with larger consumption potential, and in the coming years, the increase space of the market demand of washing machines in China mainly comes from: the first requirement mainly for urbanization and rural markets and the updating requirement mainly for the consumption and the upgrade of urban markets; the market demand of the whole washing machine keeps on keeping a mild growth situation in the coming years, but at present, knobs are mostly installed on a control panel of the washing machine, and the switching of program functions such as a washing mode or washing time and the like is realized through the cooperation of the knobs and a plurality of keys; the button of the existing washing machine knob is distributed scattered, the function switching is realized through the knob and the button, the user operation is complex, the integration of the control panel of the washing machine is simplified due to the fact that the knob and the button are adopted to control the washing machine inconveniently, the production cost is increased, the occupied area is large, and the waterproof area needing to be made is greatly increased.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a rotary component for a knob, which employs the knob to realize the switching of programs, is convenient for the user to operate, and is convenient for the integration of a control panel of a washing machine to be simplified, so that the occupied area is reduced.

According to the utility model discloses a rotating assembly for knob, rotate seat, fixed body, knob rosette including the knob, fixed body upper portion sets up the seat is rotated to the knob, the knob rotates seat upper portion and sets up the knob rosette.

Preferably, the fixed body 104 lower part still is provided with the PCBA board, storage tank two has been seted up in knob rotation seat middle section, metal conducting strip is installed to the bottom of storage tank two, metal conducting strip B, metal conducting strip C and metal conducting strip D are installed to the lower extreme of fixed body, be equipped with a plurality of contacts on the metal conducting strip A, metal conducting strip A passes through the contact with metal conducting strip B, metal conducting strip C and metal conducting strip D electric connection, metal conducting strip B, metal conducting strip C and metal conducting strip D's pin all with PCBA board electric connection.

Preferably, the metal conducting strip B, the metal conducting strip C, the metal conducting strip D and the fixing body are fixed by injection molding.

Preferably, the metal conducting strip B, the metal conducting strip C and the metal conducting strip D are all provided with an antenna positioned outside the fixing body, and the plurality of contacts arranged on the metal conducting strip a are correspondingly contacted with the antenna exposed outside the fixing body through rotation.

Preferably, the knob decoration ring is fixedly connected with the knob rotation seat, and the center line of the knob rotation seat is used as a rotation axis for the knob decoration ring and the knob rotation seat.

The utility model discloses in, through rotating the seat at the knob and being equipped with metal conducting strip A, a plurality of contacts Z are according to certain angular distribution on metal conducting strip A, and metal conducting strip B is installed to the lower extreme correspondence of the fixed body, metal conducting strip C and metal conducting strip D, rotate the seat along with the knob and rotate, metal conducting strip A rotates, contact and metal conducting strip B on the metal conducting strip A, metal conducting strip C and metal conducting strip D expose the corresponding contact of antenna in the fixed body outside, form increment formula encoder function, transmit the rotation signal for the PCBA board, and then can select different procedures, the user operation of being convenient for, the convenience is simplified washing machine control panel's integration, make area occupied reduce.

Drawings

The accompanying drawings 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 is an exploded view of a rotary assembly for a knob according to the present invention;

fig. 2 is a schematic view of an assembly structure of a knob rotating seat (not including a knob decoration ring) and a fixing body according to the present invention;

fig. 3 is a schematic structural view of the fixing body according to the present invention;

fig. 4 is a schematic structural diagram of a metal conductive sheet B, C, D according to the present invention;

fig. 5 is an assembly diagram of the knob rotating base and the metal conducting strip a according to the present invention;

fig. 6 is a schematic structural view of the knob rotating base according to the present invention;

fig. 7 is a longitudinal sectional view of the knob rotating base according to the present invention.

In the figure: 101. 102 parts of a knob decorative ring, 102 parts of a knob rotating seat, 102-1 parts of a first accommodating groove, 102-2 parts of a second accommodating groove, 102-3 parts of a third accommodating groove, 102-4 parts of a concave-convex groove, 103 parts of a metal conducting strip A, 103-Z parts of a contact Z, 104 parts of the metal conducting strip A, a fixed body, 104-1 parts of a contact, 104-B parts of the metal conducting strip B, 104-C parts of the metal conducting strip C, 104-D parts of the metal conducting strip D, 601 parts of a PCBA board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-7, a rotary assembly for a knob comprises a knob rotating base 102, a fixed body 104 and a knob decorating ring 101, wherein the knob rotating base 102 is arranged on the upper part of the fixed body 104, and the knob decorating ring 101 is arranged on the upper part of the knob rotating base 102; the lower part of the fixed body 104 is also provided with a PCBA plate, the middle section of the knob rotating seat 102 is provided with a second accommodating groove 102-2, the bottom of the second accommodating groove 102-2 is provided with a metal conducting plate A103, the lower end of the fixed body 104 is provided with a metal conducting plate B104-B, a metal conducting plate C104-C and a metal conducting plate D104-D, the metal conducting plate A103 is provided with a plurality of contacts, the metal conducting plate A103 is electrically connected with the metal conducting plate B104-B, the metal conducting plate C104-C and the metal conducting plate D104-D through the contacts, and pins of the metal conducting plate B104-B, the metal conducting plate C104-C and the metal conducting plate D104-D are electrically connected with; the metal conducting strip B104-B, the metal conducting strip C104-C, the metal conducting strip D104-D and the fixing body 104 are fixed through injection molding; antennae positioned at the outer side of the fixed body are arranged on the metal conducting strip B104-B, the metal conducting strip C104-C and the metal conducting strip D104-D, and a plurality of contacts arranged on the metal conducting strip A103 are correspondingly contacted with the antennae exposed at the outer side of the fixed body by the metal conducting strip B104-B, the metal conducting strip C104-C and the metal conducting strip D104-D through rotation; the knob decoration ring 101 is fixedly connected with the knob rotation seat 102, and the knob decoration ring 101 and the knob rotation seat 102 use the central line of the knob rotation seat 102 as a rotation axis.

In conclusion, this rotating assembly for knob is through being equipped with metal conducting strip A on the knob rotates the seat, a plurality of contacts Z are according to certain angular distribution on metal conducting strip A, and metal conducting strip B, metal conducting strip C and metal conducting strip D are installed to the lower extreme correspondence of fixed body, rotate the seat along with the knob, metal conducting strip A rotates, contact and metal conducting strip B on the metal conducting strip A, metal conducting strip C and the corresponding contact of the exposed antenna in the fixed body outside of metal conducting strip D, form incremental encoder function, transmit rotary signal for the PCBA board, and then can select different programs, the user operation of being convenient for, the convenience is simplified to the integration of washing machine control panel, make the area occupied reduce.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rotary assembly for a rotary knob, comprising: the knob decoration ring is arranged on the upper portion of the knob rotating seat; the fixed body lower part still is provided with the PCBA board, storage tank two has been seted up in knob rotation seat middle section, metal conducting strip A is installed to the bottom of storage tank two, metal conducting strip B, metal conducting strip C and metal conducting strip D are installed to the lower extreme of the fixed body, be equipped with a plurality of contacts on the metal conducting strip A, metal conducting strip A passes through the contact with metal conducting strip B, metal conducting strip C and metal conducting strip D electric connection, metal conducting strip B, metal conducting strip C and metal conducting strip D's pin all with PCBA board electric connection.

2. The rotary knob assembly according to claim 1, wherein: and the metal conducting plate B, the metal conducting plate C, the metal conducting plate D and the fixing body are fixed through injection molding.

3. The rotary knob assembly according to claim 1, wherein: the metal conducting strip B, the metal conducting strip C and the metal conducting strip D are respectively provided with an antenna positioned on the outer side of the fixed body, and a plurality of contacts arranged on the metal conducting strip A are correspondingly contacted with the antennas, exposed on the outer side of the fixed body, of the metal conducting strip B, the metal conducting strip C and the metal conducting strip D through rotation.

4. The rotary knob assembly according to claim 1, wherein: the knob decoration ring is fixedly connected with the knob rotation seat, and the knob decoration ring and the knob rotation seat use the center line of the knob rotation seat as a rotation axis.