CN113737466A - Elastic supporting structure for knob structure of washing machine - Google Patents

Elastic supporting structure for knob structure of washing machine Download PDF

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Publication number
CN113737466A
CN113737466A CN202010462003.2A CN202010462003A CN113737466A CN 113737466 A CN113737466 A CN 113737466A CN 202010462003 A CN202010462003 A CN 202010462003A CN 113737466 A CN113737466 A CN 113737466A
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CN
China
Prior art keywords
subassembly
limiting plate
shaft
pressing
guide
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Granted
Application number
CN202010462003.2A
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Chinese (zh)
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CN113737466B (en
Inventor
汤志鸣
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Whirlpool China Co Ltd
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Whirlpool China Co Ltd
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Priority to CN202010462003.2A priority Critical patent/CN113737466B/en
Publication of CN113737466A publication Critical patent/CN113737466A/en
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Publication of CN113737466B publication Critical patent/CN113737466B/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • D06F34/30Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by mechanical features, e.g. buttons or rotary dials

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Control Devices (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

The invention relates to an elastic support structure for a knob structure of a washing machine, which comprises a knob component, a pressing component, a display screen component, an encoder and a PCBA board, wherein a rotating component can transmit the downward pressing force to the pressing component, the PCBA board is positioned below the pressing component, a switch key of the pressing component is electrically connected with the PCBA board, the switch key is opened when the pressing component is descended by external force, and a command on the display screen component is determined, the elastic support structure is arranged in a switch bracket of the pressing component above the switch key and used for transmitting the downward pressing force of the pressing component, and the elastic support structure comprises a guide block, a transmission shaft, a trapezoidal pressing block, a guide shaft, a spring and a limiting plate.

Description

Elastic supporting structure for knob structure of washing machine
Technical Field
The invention relates to the technical field of washing machines, in particular to an elastic supporting structure for a knob structure of a washing machine.
Background
At present, knobs are mostly installed on a control panel of a washing machine. The setting and switching of program functions such as washing modes or washing time and the like are realized through the matching work of the knob and the plurality of keys. The existing washing machine knob keys are scattered in distribution, have no rotating section display function, are very inconvenient to operate and influence user experience.
Prior art PCT/CN2019/094608, discloses an elastic support structure for a knob structure of a washing machine. The knob structure comprises a knob component, a display screen component, a pressing component and a PCBA board. The knob assembly comprises a knob rotating seat, a fixing body and a knob decorating ring. The upper end of the knob rotating seat is provided with a first accommodating groove, the middle section of the knob rotating seat is provided with a second accommodating groove, and the lower end of the knob rotating seat is provided with a third accommodating groove; a plurality of concave-convex grooves which are uniformly distributed are arranged on the inner peripheral wall of the second accommodating groove. And a metal conducting strip A is arranged at the bottom of the second accommodating groove. The lower end of the fixed body is provided with a metal conducting strip B, a metal conducting strip C and a metal conducting strip D. The display screen assembly comprises a display base, a display module and a glass lens. The pressing component comprises a knob fixing support, a switch key and a rotary sound generator. The invention can solve the defects in the prior art, has a function of displaying the rotating section position, and is simple and convenient to operate, but the prior technical scheme discovers that the silica gel switch can transmit pressure on one hand and has elasticity on the other hand, and the elastic potential energy stored after deformation can push the columnar structure of the fixing body upwards to achieve the purpose of helping the fixing body to restore the original position, but the service life of the silica gel switch is limited, and after long-time use and oxidation, the shape restoring capability of the silica gel switch is reduced, so that the use effect of the elastic support structure for the knob structure of the washing machine is poor, and the trouble of a user is caused.
Disclosure of Invention
The invention aims to provide an elastic supporting structure for a knob structure of a washing machine, and provides a novel supporting structure to replace a silica gel switch.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a washing machine's elastic support structure for knob structure, washing machine's knob structure includes the knob subassembly, presses the subassembly, display screen subassembly, encoder and PCBA board, the subassembly is pressed in the power transmission that rotating assembly can press down, the PCBA board is located presses the subassembly below, presses the switch button and PCBA board electric connection of subassembly to when pressing the subassembly and receiving external force decline, the switch button opens to confirm the order on the display screen subassembly, elastic support structure set up in the switch bracket of the subassembly of pressing of switch button top for the pressure that the subassembly was pressed down is pressed in the transmission, elastic support structure include guide block, transmission shaft, trapezoidal press the piece, leading shaft, spring and limiting plate, wherein:
the guide shafts are symmetrically and fixedly arranged on the front side and the rear side in the lower opening of the switch bracket, are three-section shafts and comprise an intermediate shaft positioned in the middle position and two lateral shafts fixedly arranged on two end parts of the intermediate shaft, and the diameter of each lateral shaft is smaller than that of the intermediate shaft;
the guide blocks are fixedly arranged at the center of the intermediate shaft, and guide grooves with T-shaped cross sections are formed in the opposite side surfaces of the two guide blocks along the vertical direction;
the vertical section of the limiting plate is in a right trapezoid shape, the two ends of the limiting plate are provided with sliding holes which are matched with the lateral shafts in a sliding mode along the horizontal direction, the two ends of the limiting plate are arranged on the lateral shafts corresponding to the two guide shafts in a sliding mode respectively, the two limiting plates are arranged, and the opposite side faces of the two limiting plates are inclined planes;
the four springs are respectively sleeved on the lateral shafts in a compressed state and push the limiting plates to slide oppositely, so that the inclined surfaces of the limiting plates abut against the steps of the middle shaft;
the transmission shaft can be vertically and slidably arranged in an upper opening channel of the switch bracket and is fixedly connected with the pressing assembly, and the transmission shaft is suspended in the switch bracket;
trapezoidal press the isosceles trapezoid of vertical cross-sectional shape for invering of briquetting, trapezoidal press the front and back side of briquetting be vertical plane to correspond the slide rail that the cross section is T nature that is provided with in vertical plane, slide rail slidable installs in the guiding groove, trapezoidal press the briquetting have about the inclined plane side and the inclined plane slidable cooperation of limiting plate, and under the promotion of spring, the limiting plate upwards promote trapezoidal press the briquetting, so that trapezoidal top surface and the bottom separable of transmission shaft that press the briquetting lean on.
Preferably, guide block, transmission shaft, trapezoidal press block, guide shaft, spring and limiting plate be the integrative injection moulding of PVC material.
According to the technical scheme, the transmission shaft and the trapezoidal pressing block can be stabilized through the support structure, after the pressing assembly is stressed, the pressing pressure is transmitted to the trapezoidal pressing block through the transmission shaft, the limiting plate can be pushed to the left side and the right side through the downward sliding trapezoidal pressing block, the switch key is clicked through the trapezoidal pressing block at last, the purpose of determination is achieved, after the pressing assembly removes the pressure, the limiting plate can be pushed to move oppositely through the spring, the trapezoidal pressing block is pushed to slide upwards finally, the stress is more stable due to paralysis arranged in the horizontal direction, the operation is more gentle, and the design and the installation are more convenient.
Drawings
FIG. 1 is an exploded view of the knob structure of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the knob structure of the present invention;
FIG. 3 is a front view of the flexible support structure of the present invention;
fig. 4 is a top view of the flexible support structure of the present invention.
Wherein:
the device comprises a guide block-1, a transmission shaft-2, a trapezoidal pressing block-3, a guide shaft-4, a spring-5, a limiting plate-6, a switch bracket-7, a middle shaft-8, a lateral shaft-9, a guide groove-10 and a slide rail-11.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
an elastic support structure for a knob structure of a washing machine as shown in the accompanying drawings, the knob structure of the washing machine comprises a knob component, a pressing component, a display screen component, an encoder and a PCBA board, the rotating component can transmit the pressing force to the pressing component, the PCBA board is located below the pressing component, a switch button of the pressing component is electrically connected with the PCBA board, and when the pressing component is descended by an external force, the switch button is opened and determines a command on the display screen component, the elastic support structure is arranged in a switch support 7 of the pressing component above the switch button and used for transmitting the pressing force of the pressing component, the elastic support structure comprises a guide block 1, a transmission shaft 2, a trapezoid pressing block 3, a guide shaft 4, a spring 5 and a limiting plate 6, wherein:
the guide shaft 2 is provided with two guide shafts, the two guide shafts are symmetrically and fixedly arranged on the front side and the rear side in the lower opening of the switch support 7, the guide shaft 2 is a three-section shaft and comprises an intermediate shaft 8 located in the middle position and two lateral shafts 9 fixedly arranged on two end portions of the intermediate shaft 8, and the diameter of each lateral shaft 9 is smaller than that of the intermediate shaft 8.
The guide blocks 1 are fixedly arranged at the center of the intermediate shaft 8, and guide grooves 10 with T-shaped cross sections are formed in the opposite side surfaces of the two guide blocks 1 along the vertical direction.
Limiting plate 6's vertical cross-section be right trapezoid, limiting plate 6 all seted up at both ends along the horizontal direction with side direction axle slidable complex slide opening, limiting plate 6's both ends are slidable respectively and are installed on the side direction axle 9 that two leading shafts 2 correspond, limiting plate 6 is provided with two, the side that two limiting plates are relative is the inclined plane.
The four springs 5 are respectively sleeved on the lateral shaft 9 in a compressed state and push the limiting plates 6 to slide in opposite directions, so that the inclined surfaces of the limiting plates 6 abut against the steps of the intermediate shaft 8.
The transmission shaft 2 can be installed in an upper opening channel of the switch support 7 in a vertically sliding mode and is fixedly connected with the pressing assembly, and the transmission shaft 2 is suspended in the switch support 7.
Trapezoidal press the isosceles trapezoid of vertical cross sectional shape for invering of briquetting 3, trapezoidal press briquetting 3 front and back side be vertical plane to correspond the slide rail 11 that the cross section is T nature that is provided with in vertical plane, slide rail 11 slidable installs in guiding groove 10, trapezoidal press briquetting 3 have about the inclined plane side and limiting plate 6 inclined plane slidable cooperation, and under spring 5's promotion, limiting plate 6 with trapezoidal press briquetting 3 upwards promote, so that trapezoidal press briquetting 3's top surface and transmission shaft 2's bottom separable support to lean on.
Preferably, the guide block 1, the transmission shaft 2, the trapezoidal pressing block 3, the guide shaft 4, the spring 5 and the limiting plate 6 are all integrally formed by injection molding of a PVC material.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims (2)

1. The utility model provides a washing machine's elastic support structure for knob structure, washing machine's knob structure includes the knob subassembly, presses the subassembly, the display screen subassembly, encoder and PCBA board, the subassembly is pressed in the power transmission that rotating assembly can press down, the PCBA board is located presses the subassembly below, presses the switch button and PCBA board electric connection of subassembly to when pressing the subassembly and receive external force decline, the switch button opens to confirm the order on the display screen subassembly, elastic support structure set up in the switch support of the subassembly of pressing above the switch button, the pressure that is used for the transmission to press down of subassembly, its characterized in that elastic support structure include guide block, transmission shaft, trapezoidal press the piece, leading axle, spring and limiting plate, wherein:
the guide shafts are symmetrically and fixedly arranged on the front side and the rear side in the lower opening of the switch bracket, are three-section shafts and comprise an intermediate shaft positioned in the middle position and two lateral shafts fixedly arranged on two end parts of the intermediate shaft, and the diameter of each lateral shaft is smaller than that of the intermediate shaft;
the guide blocks are fixedly arranged at the center of the intermediate shaft, and guide grooves with T-shaped cross sections are formed in the opposite side surfaces of the two guide blocks along the vertical direction;
the vertical section of the limiting plate is in a right trapezoid shape, the two ends of the limiting plate are provided with sliding holes which are matched with the lateral shafts in a sliding mode along the horizontal direction, the two ends of the limiting plate are arranged on the lateral shafts corresponding to the two guide shafts in a sliding mode respectively, the two limiting plates are arranged, and the opposite side faces of the two limiting plates are inclined planes;
the four springs are respectively sleeved on the lateral shafts in a compressed state and push the limiting plates to slide oppositely, so that the inclined surfaces of the limiting plates abut against the steps of the middle shaft;
the transmission shaft can be vertically and slidably arranged in an upper opening channel of the switch bracket and is fixedly connected with the pressing assembly, and the transmission shaft is suspended in the switch bracket;
trapezoidal press the isosceles trapezoid of vertical cross-sectional shape for invering of briquetting, trapezoidal press the front and back side of briquetting be vertical plane to correspond the slide rail that the cross section is T nature that is provided with in vertical plane, slide rail slidable installs in the guiding groove, trapezoidal press the briquetting have about the inclined plane side and the inclined plane slidable cooperation of limiting plate, and under the promotion of spring, the limiting plate upwards promote trapezoidal press the briquetting, so that trapezoidal top surface and the bottom separable of transmission shaft that press the briquetting lean on.
2. The elastic support structure for knob structure of washing machine as claimed in claim 1, wherein: guide block, transmission shaft, trapezoidal press block, guide shaft, spring and limiting plate be the integrative injection moulding of PVC material.
CN202010462003.2A 2020-05-27 2020-05-27 Elastic supporting structure for knob structure of washing machine Active CN113737466B (en)

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CN202010462003.2A CN113737466B (en) 2020-05-27 2020-05-27 Elastic supporting structure for knob structure of washing machine

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Application Number Priority Date Filing Date Title
CN202010462003.2A CN113737466B (en) 2020-05-27 2020-05-27 Elastic supporting structure for knob structure of washing machine

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CN113737466B CN113737466B (en) 2023-12-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114709098A (en) * 2022-04-11 2022-07-05 冠捷电子科技(福建)有限公司 Display side-pressing knob structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101608390A (en) * 2008-06-19 2009-12-23 海尔集团公司 Knob key structure of washer
CN108597936A (en) * 2018-05-12 2018-09-28 惠州市德赛西威汽车电子股份有限公司 A kind of knob key structure of novel combination display screen
KR20190041789A (en) * 2017-10-13 2019-04-23 엘에스오토모티브테크놀로지스 주식회사 Vehicular multi-operating switching unit
CN210439006U (en) * 2019-04-26 2020-05-01 惠而浦(中国)股份有限公司 Washing machine knob structure and washing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101608390A (en) * 2008-06-19 2009-12-23 海尔集团公司 Knob key structure of washer
KR20190041789A (en) * 2017-10-13 2019-04-23 엘에스오토모티브테크놀로지스 주식회사 Vehicular multi-operating switching unit
CN108597936A (en) * 2018-05-12 2018-09-28 惠州市德赛西威汽车电子股份有限公司 A kind of knob key structure of novel combination display screen
CN210439006U (en) * 2019-04-26 2020-05-01 惠而浦(中国)股份有限公司 Washing machine knob structure and washing machine
CN210439005U (en) * 2019-04-26 2020-05-01 惠而浦(中国)股份有限公司 Press component for knob

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114709098A (en) * 2022-04-11 2022-07-05 冠捷电子科技(福建)有限公司 Display side-pressing knob structure
CN114709098B (en) * 2022-04-11 2023-05-26 冠捷电子科技(福建)有限公司 Display side-pressing knob structure

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