CN107354674B - Rotary knob assembly for washing machine and washing machine - Google Patents
Rotary knob assembly for washing machine and washing machine Download PDFInfo
- Publication number
- CN107354674B CN107354674B CN201710640202.6A CN201710640202A CN107354674B CN 107354674 B CN107354674 B CN 107354674B CN 201710640202 A CN201710640202 A CN 201710640202A CN 107354674 B CN107354674 B CN 107354674B
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- China
- Prior art keywords
- knob
- washing machine
- positioning
- knob assembly
- base
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- 238000005406 washing Methods 0.000 title claims abstract description 42
- 238000005096 rolling process Methods 0.000 claims abstract description 37
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
-
- D06F2214/00—
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Control Devices (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention relates to the technical field of washing machines, and aims to solve the problems that a knob assembly of an existing washing machine is labor-consuming to rotate and poor in rotating hand feeling comfort level. To this end, the invention provides a knob assembly for a washing machine and the washing machine, wherein the knob assembly comprises a knob and a knob base fixedly connected with the knob, the knob assembly further comprises a positioning piece, and the knob adjusts the gear of the knob assembly in a mode that the positioning piece is in rolling contact with the knob base. The washing machine comprises the knob assembly for the washing machine. According to the knob, the gear of the knob assembly is adjusted in a manner that the positioning piece is in rolling contact with the knob base, so that the torsion of the rotary knob assembly is reduced, the friction between the knob base and the positioning piece is reduced, the rotary knob is more labor-saving, the rotary hand feeling of the knob is improved, and the use experience of a user is improved.
Description
Technical Field
The invention relates to the technical field of washing machines, and particularly provides a knob assembly for a washing machine and the washing machine.
Background
In the prior art, washing machines are electric appliances for washing laundry through washing, rinsing, dehydrating, etc. according to a preset rule, and may be broadly classified into pulsator washing machines and drum washing machines. The washing machine has various washing modes, functions, etc. to meet various demands of users, and when a user needs to select a washing program, the washing machine performs washing of laundry by selecting water supply, washing, rinsing, water discharge, and dehydration programs by rotating a control knob assembly. Generally, the control knob subassembly includes the knob base, the knob support, be used for the leaf spring of location and set up knob lid on the knob support, knob base and knob support pass through the leaf spring location and connect, it drives the knob base rotation to rotate in-process knob, knob base relative positioning leaf spring slides to with leaf spring extrusion deformation, realize the selection of washing procedure, at this in-process, the torsion that the washing procedure was selected to the knob is great, the friction is great, make to rotate hard, rotatory feel relatively poor.
In view of the above situation, how to reduce the torsion of the knob and improve the rotary hand feeling is an urgent technical problem to be solved. In view of this, the invention is particularly proposed.
Disclosure of Invention
In order to solve the problems in the prior art, namely the problems that the rotation of a knob assembly of the existing washing machine is laborious and the rotating hand feeling is poor, the invention provides the knob assembly for the washing machine, the knob assembly comprises a knob and a knob base fixedly connected with the knob, the knob assembly further comprises a positioning piece, and the knob adjusts the gear of the knob assembly in a mode that the positioning piece is in rolling contact with the knob base.
In the preferred technical scheme of the knob assembly, a plurality of bulges are arranged on the periphery of the knob base, and the positioning piece is in rolling contact with the bulges and can be clamped in a positioning groove formed between two adjacent bulges.
In a preferred embodiment of the above knob assembly, the knob assembly further includes a knob holder, and the positioning member includes: the positioning shaft is arranged on the knob bracket; and the rolling shaft is sleeved on the positioning shaft, can rotate around the positioning shaft and is in rolling contact with the protrusions.
In a preferred embodiment of the knob assembly, the knob assembly further includes a knob holder, and the positioning member includes a rolling shaft rotatably disposed on the knob holder and in rolling contact with the protrusion.
In a preferred embodiment of the above knob assembly, the knob assembly further includes a knob holder, and the positioning member includes: a positioning shaft rotatably provided on the knob holder; and the roller is fixedly connected with or integrally formed on the positioning shaft, and can rotate together with the positioning shaft and be in rolling contact with the protrusions.
In a preferred embodiment of the knob assembly, at least one side wall of the protrusion is curved.
In the preferred embodiment of the knob assembly, the side wall of the protrusion is smoothly transited to the bottom of the positioning groove.
In the above-mentioned preferred technical solution of the knob assembly, all the protrusions are arranged along the circumferential direction of the knob base.
In a preferred embodiment of the knob assembly, the positioning shaft is integrally formed with the knob holder.
In addition, the invention also provides a washing machine, which comprises the knob assembly for the washing machine.
The knob base is in rolling contact with the plate spring in a pressing mode, so that the plate spring is prevented from being pressed in the rotating process, the rotating torsion of the knob is reduced, the friction force between the knob base and the positioning piece is reduced, a user can easily rotate the knob, and the rotating hand feeling of the knob is improved.
In addition, in the technical scheme of the invention, the side wall of the protrusion is arc-shaped, and the arc-shaped structural design reduces the rolling resistance of the positioning piece along the protrusion, so that the knob is more labor-saving to rotate. Further, the bottom smooth transition of bellied lateral wall and constant head tank, when rotating the knob, the setting element can roll along the relatively level and smooth orbit, has reduced the setting element along the rolling resistance of bellied for the knob is rotatory more laborsaving, has improved the rotation of knob and has felt, and then has improved user's use and experience.
Drawings
FIG. 1 is an exploded view of a first embodiment of the knob assembly of the present invention;
FIG. 2 is an exploded view of a second embodiment of the knob assembly of the present invention;
FIG. 3 is an exploded view of a third embodiment of the knob assembly of the present invention;
FIG. 4 is a schematic view of the knob base of the present invention;
fig. 5 is a schematic structural view of a washing machine of the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the present application has been described in connection with a knob assembly and a washing machine, the technical solution of the present invention is not limited thereto, and the knob assembly may be obviously applied to other similar fields without departing from the principle and scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "vertical", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Based on the problems of labor-consuming rotation and poor rotating hand feeling of the conventional rotary knob assembly of the washing machine, the invention provides the rotary knob assembly for the washing machine and the washing machine, and aims to reduce the rotating torque of the rotary knob and the friction force between a rotary knob base and a positioning piece in a rolling contact mode, so that a user can easily rotate the rotary knob, the rotating hand feeling of the rotary knob is improved, and the use experience of the user is improved.
Referring to fig. 1 to 5, fig. 1 is an exploded view of a first embodiment of a knob assembly of the present invention; FIG. 2 is an exploded view of a second embodiment of the knob assembly of the present invention; FIG. 3 is an exploded view of a third embodiment of the knob assembly of the present invention; FIG. 4 is a schematic view of the knob base of the present invention; fig. 5 is a schematic structural view of a washing machine of the present invention. As shown in fig. 1, which illustrates a first embodiment of the knob assembly of the present invention. The knob assembly comprises a knob 1, a knob base 2 fixedly connected with the knob 1 and a positioning piece 3 in rolling contact with the knob base 2, wherein a plurality of bulges 21 are arranged on the periphery of the knob base 2, the positioning piece 3 is in rolling contact with the bulges 21 and can be clamped in a positioning groove 22 formed between two adjacent bulges 21, and the gear of the knob assembly is adjusted as shown in figure 4.
When the gear of knob subassembly is adjusted to needs, rotate in order to drive knob base 2 through rotating knob 1, the relative knob base 2 of setting element 3 rolls, make setting element 3 roll to adjacent constant head tank 22 in and be connected with it block, thereby the purpose of the gear of roll adjustment knob subassembly has been realized, in-process, adjust the gear through the stripper plate spring for prior art, avoided squeezing the leaf spring at the pivoted in-process, the rotatory torsion of knob 1 has been reduced, frictional force between knob base 2 and the setting element 3 has been reduced, make the rotatory knob 1 that the user can relax, the rotation that has improved knob 1 is felt, the abnormal sound because of compression leaf spring or leaf spring reset production has been avoided, user's use experience has been improved.
As shown in fig. 1, the knob assembly further includes a knob bracket 4, the knob 1 is connected with the knob bracket 4 in a clamping manner and can rotate relative to the knob bracket 4, and the knob 1 is fixedly connected with the knob base 2.
As shown in fig. 1, the positioning member 3 includes a positioning shaft 31 and a rolling shaft 32, the positioning shaft 31 is disposed on the knob bracket 4; the rolling shaft 32 is sleeved on the positioning shaft 31, and the rolling shaft 32 can rotate around the positioning shaft 31 and is in rolling contact with the protrusion 21.
Specifically, at the in-process of adjusting the gear, rotate knob 1 and rotate in order to drive knob base 2, make roll axle 32 rotate around location axle 31, and roll axle 32 rolls along arch 21, roll to adjacent constant head tank 22 in, roll axle 32 is connected with constant head tank 22 block, the purpose of the gear of roll adjustment knob subassembly has been realized, at this in-process, roll axle 32 is around location axle 31 pivoted connected mode, the rotatory torsion of knob 1 has been reduced, the frictional force between knob base 2 and the setting element 3 has been reduced, make the rotatory knob 1 that the user can relax, the rotation that has improved knob 1 is felt.
Wherein, location axle 31 and knob support 4 integrated into one piece adopt integrated into one piece's structure to be convenient for the design and manufacture of mould.
In order to reduce the friction between the rolling shaft 32 and the positioning shaft 31, a lubricating layer (not shown in the figure) such as grease can be arranged between the rolling shaft 32 and the positioning shaft 31, so that the friction force generated when the rolling shaft 32 rotates around the positioning shaft 31 can be reduced, the rotation torque of the knob 1 can be reduced, a user can easily rotate the knob 1, and the rotation hand feeling of the knob 1 is improved.
Referring now to FIG. 2, a second embodiment of the knob assembly of the present invention is shown. In this embodiment, the positioning member 3 includes a rolling shaft 32, and the rolling shaft 32 is rotatably provided on the knob bracket 4 and is in rolling contact with the protrusion 21.
Specifically, at the in-process of adjusting the gear, rotate knob 1 and rotate in order to drive knob base 2, make the roll axle 32 rotate, and the roll axle 32 rolls along arch 21, roll to in the adjacent constant head tank 22, the roll axle 32 is connected with constant head tank 22 block, the purpose of the gear of roll adjustment knob subassembly has been realized, in this process, roll axle 32 and protruding rolling contact, the rotatory torsion of knob 1 has been reduced, the frictional force between knob base 2 and the setting element 3 has been reduced, make the rotatory knob 1 that the user can relax, the rotation that has improved knob 1 is felt.
Referring now to FIG. 3, a third embodiment of the knob assembly of the present invention is shown. In this embodiment, the positioning member 3 includes: a positioning shaft 31 rotatably provided on the knob holder 4; and a roller 33 fixedly coupled to or integrally formed with the positioning shaft 31, the roller 33 being capable of rotating together with the positioning shaft 31 and being in rolling contact with the protrusion 21.
Specifically, at the in-process of adjusting the gear, rotate knob 1 and rotate in order to drive knob base 2, make gyro wheel 33 can rotate with location axle 31 together, and gyro wheel 33 rolls along arch 21, roll to adjacent constant head tank 22 in, roll gyro wheel 33 and constant head tank 22 block connection, the purpose of the gear of the regulation knob subassembly of rolling has been realized, at this in-process, gyro wheel 33 rotates with location axle 31 together, the frictional force between gyro wheel 33 and the location axle 31 has been reduced, thereby the rotatory torsion of knob 1 has been reduced, make the rotatory knob 1 that the user can relax, the rotation that has improved knob 1 is felt.
In a preferred embodiment, at least one side wall of the protrusion 21 is curved, as shown in fig. 1 to 4, in order to make the rotation of the knob 1 more labor-saving. Preferably, the side walls of the protrusions are arc-shaped, so that the positioning member 3 can roll along an arc-shaped track, the rolling resistance of the positioning member 3 along the protrusions 21 is reduced, and the positioning member 3 can be conveniently rolled from one positioning slot 22 to the positioning slot 22 adjacent to the positioning slot 22.
In order to reduce the rolling resistance of the retainer 3, the side walls of the protrusions 21 and the bottoms of the positioning grooves 22 are smoothly transitioned. Preferably, the lateral wall of the protrusion 21 is connected with the bottom of the positioning groove 22 through the arc chamfer, so that the positioning element 3 can roll to the lateral wall from the bottom of the positioning groove 22 along the arc track and can roll to the bottom of the positioning groove 22 along the arc track, the rolling resistance of the positioning element 3 along the protrusion 21 is reduced, the knob 1 is rotated more laborsavingly, and the rotating hand feeling of the knob 1 is improved.
In the above structure, all the protrusions 21 are arranged along the circumferential direction of the base 2 of the knob 1. Preferably, all the bulges 21 are arranged at equal intervals along the circumferential direction of the knob base 2, so that when the knob 1 is rotated to adjust the gears, the adjustment of different gears can be realized by rotating the same angle, the rotating hand feeling of the knob 1 is improved, and the use experience of a user is further improved.
Preferably, the number of the protrusions 21 is matched with the number of the adjustable gears of the knob 1, if two gears are required to be adjusted, two protrusions 21 are required to be arranged around the knob base 2 at equal intervals, two positioning grooves 22 for clamping the positioning piece 3 are formed between two adjacent protrusions 21, the positioning piece 3 is clamped in different positioning grooves 22 and corresponds to different gears, and the purpose of adjusting the gears of the knob 1 in two gears is achieved by the two positioning grooves 22.
Those skilled in the art can understand that the number of the protrusions 21 arranged on the knob base 2 is not limited to two, and the number can be changed according to actual conditions, but no matter how much the number of the protrusions 21 is increased, all the protrusions 21 are arranged at equal intervals along the circumferential direction of the knob base 2, and the purpose of adjusting the gear of the knob assembly at equal angles is ensured.
As shown in fig. 1 to 3, in a preferred embodiment, a top of the knob 1 is provided with a handle 11 for rotating the knob 1 (i.e., the top of the knob 1 is located below the paper surface in fig. 1 to 3), and in order to increase the contact area of the handle 11 with the fingers, the side area of the handle 11 can be increased, for example, the contact area of the handle 11 with the fingers can be increased by increasing the width of the handle 11, or increasing the height of the handle 11, or simultaneously increasing the width of the handle 11 and the height of the handle 11, so as to increase the contact area of the handle 11 with the fingers, increase the rotating force of the rotating knob 1, and facilitate the user to easily rotate the knob 1.
In addition, the present invention also provides a washing machine, as shown in fig. 5, the washing machine 5 includes the above knob assembly. In the process of selecting the 5 programs of the washing machine, if the washing machine is converted from the standard mode into the drainage mode through the rotary knob, the torsion of the rotary knob assembly is reduced through the rotary knob assembly, the friction force between the knob base 2 and the positioning piece 3 is reduced, the rotation is more labor-saving, the rotating hand feeling of the rotary knob is improved, and the use experience of a user is further improved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (5)
1. A knob assembly for a washing machine comprises a knob and a knob base fixedly connected with the knob, and is characterized by further comprising a positioning piece, wherein the knob adjusts the gear of the knob assembly in a rolling contact mode through the positioning piece and the knob base;
a plurality of bulges are arranged on the periphery of the knob base, and the positioning piece is in rolling contact with the bulges and can be clamped in a positioning groove formed between two adjacent bulges;
the knob subassembly still includes the knob support, the setting element includes:
a positioning shaft disposed on the knob bracket;
the rolling shaft is sleeved on the positioning shaft, can rotate around the positioning shaft and is in rolling contact with the protrusions;
the positioning shaft and the knob bracket are integrally formed;
and a lubricating layer is arranged between the positioning shaft and the rolling shaft and is used for reducing the friction force generated when the rolling shaft rotates around the positioning shaft.
2. The knob assembly according to claim 1, wherein at least one side wall of the protrusion is arcuate.
3. The knob assembly according to claim 2, wherein the side wall of the boss is in smooth transition with the bottom of the detent.
4. The knob assembly according to claim 1, wherein all of the protrusions are disposed along a circumference of the knob base.
5. A washing machine characterized by comprising the knob assembly for a washing machine of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710640202.6A CN107354674B (en) | 2017-07-31 | 2017-07-31 | Rotary knob assembly for washing machine and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710640202.6A CN107354674B (en) | 2017-07-31 | 2017-07-31 | Rotary knob assembly for washing machine and washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107354674A CN107354674A (en) | 2017-11-17 |
| CN107354674B true CN107354674B (en) | 2022-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710640202.6A Active CN107354674B (en) | 2017-07-31 | 2017-07-31 | Rotary knob assembly for washing machine and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107354674B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19700647C1 (en) * | 1997-01-10 | 1998-07-02 | Ericsson Telefon Ab L M | Data entry device |
| CN2773877Y (en) * | 2005-01-21 | 2006-04-19 | 张臣义 | Assembled auxiliary switch |
| AU2006284975A1 (en) * | 2005-08-30 | 2007-03-08 | Turbochef Technologies, Inc. | Selection systems and methods |
| CN203573844U (en) * | 2013-11-11 | 2014-04-30 | 田艳梅 | Novel special electric oven function switch with uniform and smooth torque |
| CN104342882A (en) * | 2013-07-24 | 2015-02-11 | 苏州三星电子有限公司 | Washing machine and rotary knobs thereof |
| CN206003676U (en) * | 2016-08-26 | 2017-03-08 | 广东新宝电器股份有限公司 | Knob device and electrical equipment |
| CN106544824A (en) * | 2015-09-16 | 2017-03-29 | 青岛海尔洗衣机有限公司 | Knob and it is provided with the washing machine of the knob |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335245Y (en) * | 1997-12-05 | 1999-08-25 | 孙子方 | Precision converting switch |
-
2017
- 2017-07-31 CN CN201710640202.6A patent/CN107354674B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19700647C1 (en) * | 1997-01-10 | 1998-07-02 | Ericsson Telefon Ab L M | Data entry device |
| CN2773877Y (en) * | 2005-01-21 | 2006-04-19 | 张臣义 | Assembled auxiliary switch |
| AU2006284975A1 (en) * | 2005-08-30 | 2007-03-08 | Turbochef Technologies, Inc. | Selection systems and methods |
| CN104342882A (en) * | 2013-07-24 | 2015-02-11 | 苏州三星电子有限公司 | Washing machine and rotary knobs thereof |
| CN203573844U (en) * | 2013-11-11 | 2014-04-30 | 田艳梅 | Novel special electric oven function switch with uniform and smooth torque |
| CN106544824A (en) * | 2015-09-16 | 2017-03-29 | 青岛海尔洗衣机有限公司 | Knob and it is provided with the washing machine of the knob |
| CN206003676U (en) * | 2016-08-26 | 2017-03-08 | 广东新宝电器股份有限公司 | Knob device and electrical equipment |
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| Publication number | Publication date |
|---|---|
| CN107354674A (en) | 2017-11-17 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220118 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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