CN113737466B - Elastic supporting structure for knob structure of washing machine - Google Patents
Elastic supporting structure for knob structure of washing machine Download PDFInfo
- Publication number
- CN113737466B CN113737466B CN202010462003.2A CN202010462003A CN113737466B CN 113737466 B CN113737466 B CN 113737466B CN 202010462003 A CN202010462003 A CN 202010462003A CN 113737466 B CN113737466 B CN 113737466B
- Authority
- CN
- China
- Prior art keywords
- subassembly
- guide
- shaft
- knob
- pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005406 washing Methods 0.000 title claims abstract description 19
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 206010033799 Paralysis Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- D06F34/30—Arrangements 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention relates to an elastic supporting structure for a knob structure of a washing machine, which comprises a knob assembly, a pressing assembly, a display screen assembly, an encoder and a PCBA board, wherein the rotating assembly can transmit the pressing force of pressing down, the PCBA board is positioned below the pressing assembly, a switch button of the pressing assembly is electrically connected with the PCBA board, the switch button is opened when the pressing assembly is descended by external force, and a command on the display screen assembly is determined.
Description
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, a knob is mostly installed on a control panel of a washing machine. The setting and switching of program functions such as a washing mode or washing time are realized through the cooperation of the knob and the plurality of keys. The knob keys of the existing washing machine are distributed scattered, the rotation section display function is omitted, the operation is very inconvenient, and the user experience is affected.
The prior art PCT/CN2019/094608 discloses an elastic support structure for a knob structure of a washing machine. The knob structure comprises a knob assembly, a display screen assembly, a pressing assembly and a PCBA board. The knob assembly comprises a knob rotating seat, a fixed body and a knob decorating ring. The upper end of the knob rotating seat is provided with a first accommodating groove, the middle section is provided with a second accommodating groove, and the lower end 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. The bottom of the second accommodating groove is provided with a metal conducting plate A. The lower end of the fixed body is provided with a metal conducting plate B, a metal conducting plate C and a metal conducting plate D. The display screen assembly comprises a display base, a display module and a glass lens. The pressing component comprises a knob fixing bracket, a switch button and a rotary sound generator. The invention can solve the defects existing in the prior art, has a rotating segment display function, is simple and convenient to operate, but the technical scheme is found that when the technical scheme is further researched and developed, the silicon switch can transmit pressure on one hand, and has elasticity on the other hand, the elastic potential energy stored after deformation can push the columnar structure of the fixed body upwards, so that the purpose of helping the fixed body to restore to the original position is achieved, but the service life of the silicon switch is limited, the capability of restoring the shape of the silicon switch is reduced after long-time use and oxidation, the use effect of the elastic supporting structure for the knob structure of the washing machine is deteriorated, 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 for replacing a silica gel switch.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a washing machine's knob structure is with elastic support structure, washing machine's knob structure includes knob subassembly, presses subassembly, display screen subassembly, encoder and PCBA board, rotatory subassembly can be with the power transmission of pushing down press the subassembly, PCBA board is located presses the subassembly below, presses the switch button and PCBA board electric connection of subassembly to when the subassembly receives external force to descend to press the subassembly, the switch button opens, and confirm the order on the display screen subassembly, elastic support structure set up in the switch support of the subassembly of pressing of switch button top for the pressure of pushing down of pressing the subassembly is pressed in the transmission, elastic support structure include guide block, transmission shaft, trapezoidal pressing piece, guide shaft, spring and limiting plate, wherein:
the guide shafts are two, are symmetrically and fixedly arranged on the front side and the rear side in the lower opening of the switch bracket, are three sections of shafts and comprise an intermediate shaft positioned at the intermediate 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, sliding holes which are matched with the lateral shafts in a sliding manner are formed in the two ends of the limiting plate along the horizontal direction, the two ends of the limiting plate are respectively and slidably arranged on the lateral shafts corresponding to the two guide shafts, the two limiting plates are provided with two limiting plates, and the opposite side faces of the two limiting plates are inclined planes;
the four springs are sleeved on the lateral shaft in a compressed state respectively, and push the limiting plates to slide oppositely so that the inclined planes of the limiting plates are abutted against the step of the intermediate shaft;
the transmission shaft is arranged in the upper opening channel of the switch bracket in a vertically sliding way, is fixedly connected with the pressing component and is suspended in the switch bracket;
the vertical cross-section shape of trapezoidal press the briquetting be the isosceles trapezoid of inversion, the front and back side of trapezoidal press the briquetting is vertical plane to the fixed slide rail that is provided with the cross section for the nature of guide block in vertical plane position, slide rail slidable installs in the guide groove, trapezoidal press the briquetting have the side and the slidable cooperation of inclined plane of limiting plate about the inclined plane, and under the promotion of spring, the limiting plate push up trapezoidal press the briquetting, so that the top surface of trapezoidal press the briquetting and the separable support of bottom of transmission shaft lean on.
Preferably, the guide block, the transmission shaft, the trapezoid pressing block, the guide shaft, the spring and the limiting plate are all integrally injection molded by PVC materials.
According to the technical scheme, the support structure can stabilize the transmission shaft and the trapezoid pressing block, after the pressing component is stressed, the downward pressing pressure is transmitted to the trapezoid pressing block through the transmission shaft, the downward sliding trapezoid pressing block can push the limiting plate to the left and right sides, and finally the trapezoid pressing block clicks the switch key, so that the aim of determination is achieved, after the pressing component removes the pressure, the spring can push the limiting plate to move in opposite directions, finally the trapezoid pressing block is pushed to slide upwards, 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 a schematic view of an exploded view of a knob structure according to the present invention;
FIG. 2 is a longitudinal cross-sectional view of a knob structure according to 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 trapezoid 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 sliding rail-11.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the utility model provides a rotary knob structure for washing machine as shown in the attached drawings, rotary knob structure for washing machine includes knob subassembly, pressing component, display screen subassembly, encoder and PCBA board, rotatory subassembly can be with the power transmission of pushing down press the subassembly, PCBA board is located pressing component below, presses the switch button and PCBA board electric connection of subassembly to when pressing the subassembly and receiving external force to descend, the switch button opens, and confirm the order on the display screen subassembly, elastic support structure set up in the switch support 7 of pressing the subassembly of switch button top for the pressure of pushing down of pressing the subassembly is pressed in the transmission, elastic support structure include guide block 1, transmission shaft 2, trapezoidal pressing piece 3, guide shaft 4, spring 5 and limiting plate 6, wherein:
the guide shaft 2 is provided with two symmetrical front sides and rear sides which are fixedly arranged in the lower opening of the switch bracket 7, the guide shaft 2 is a three-section shaft and comprises an intermediate shaft 8 positioned at the intermediate position and two lateral shafts 9 fixedly arranged on two end parts of the intermediate shaft 8, and the diameter of the lateral shafts 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.
The vertical cross section of limiting plate 6 be right trapezoid, limiting plate 6 all offer along the horizontal direction at both ends with side direction axle slidable complex slide hole, the both ends of limiting plate 6 slidable respectively install on the side direction axle 9 that two guide shafts 2 correspond, limiting plate 6 is provided with two, the opposite side of two limiting plates is the inclined plane.
The four springs 5 are sleeved on the lateral shaft 9 in a compressed state respectively, and push the limiting plate 6 to slide in opposite directions, so that the inclined surface of the limiting plate 6 abuts against the step of the intermediate shaft 8.
The transmission shaft 2 is arranged in an upper opening channel of the switch bracket 7 in a vertically sliding way and is fixedly connected with the pressing component, and the transmission shaft 2 is suspended in the switch bracket 7.
The vertical cross section shape of the trapezoid pressing block 3 is an inverted isosceles trapezoid, the front side surface and the rear side surface of the trapezoid pressing block 3 are vertical planes, a sliding rail 11 with a T-shaped cross section is fixedly arranged at the position of the vertical plane corresponding to the guide block, the sliding rail 11 is slidably arranged in the guide groove 10, the left side surface and the right side surface of the trapezoid pressing block 3 are slidably matched with the inclined surface of the limiting plate 6, and the limiting plate 6 pushes the trapezoid pressing block 3 upwards under the pushing of the spring 5, so that the top surface of the trapezoid pressing block 3 is detachably abutted to the bottom end of the transmission shaft 2.
Preferably, the guide block 1, the transmission shaft 2, the trapezoid pressing block 3, the guide shaft 4, the spring 5 and the limiting plate 6 are all made of PVC materials in an integral injection molding mode.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection 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 knob structure for washing machine's knob structure, washing machine's knob structure includes knob subassembly, presses subassembly, display screen subassembly, encoder and PCBA board, the knob subassembly can be with the power transmission of pushing down press the subassembly, PCBA board is located presses the subassembly below, presses the switch button and PCBA board electric connection of subassembly to when the subassembly receives external force to descend, the switch button opens, and confirms the order on the display screen subassembly, elastic support structure set up in the switch support of the subassembly of pressing of switch button top for the pressure of pushing down of pressing the subassembly is pressed in the transmission, its characterized in that, elastic support structure include guide, transmission shaft, trapezoidal pressing piece, guide shaft, spring and limiting block, wherein:
the guide shafts are two, are symmetrically and fixedly arranged on the front side and the rear side in the lower opening of the switch bracket, are three sections of shafts and comprise an intermediate shaft positioned at the intermediate 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, sliding holes which are matched with the lateral shafts in a sliding manner are formed in the two ends of the limiting plate along the horizontal direction, the two ends of the limiting plate are respectively and slidably arranged on the lateral shafts corresponding to the two guide shafts, the two limiting plates are provided with two limiting plates, and the opposite side faces of the two limiting plates are inclined planes;
the four springs are sleeved on the lateral shaft in a compressed state respectively, and push the limiting plates to slide oppositely so that the inclined planes of the limiting plates are abutted against the step of the intermediate shaft;
the transmission shaft is arranged in the upper opening channel of the switch bracket in a vertically sliding way, is fixedly connected with the pressing component and is suspended in the switch bracket;
the vertical cross-section shape of trapezoidal press the briquetting be the isosceles trapezoid of inversion, the front and back side of trapezoidal press the briquetting is vertical plane to the fixed slide rail that is provided with the cross section for the nature of guide block in vertical plane position, slide rail slidable installs in the guide groove, trapezoidal press the briquetting have the side and the slidable cooperation of inclined plane of limiting plate about the inclined plane, and under the promotion of spring, the limiting plate push up trapezoidal press the briquetting, so that the top surface of trapezoidal press the briquetting and the separable support of bottom of transmission shaft lean on.
2. The elastic support structure for knob structure of washing machine as claimed in claim 1, wherein: the guide block, the transmission shaft, the trapezoid pressing block, the guide shaft, the spring and the limiting plate are all made of PVC materials in an integral injection molding mode.
Priority Applications (1)
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 |
Applications Claiming Priority (1)
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 |
Publications (2)
Publication Number | Publication Date |
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CN113737466A CN113737466A (en) | 2021-12-03 |
CN113737466B true CN113737466B (en) | 2023-12-19 |
Family
ID=78723763
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Application Number | Title | Priority Date | Filing Date |
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CN202010462003.2A Active CN113737466B (en) | 2020-05-27 | 2020-05-27 | Elastic supporting structure for knob structure of washing machine |
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CN (1) | CN113737466B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
Citations (4)
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 |
CN210439005U (en) * | 2019-04-26 | 2020-05-01 | 惠而浦(中国)股份有限公司 | Press component for knob |
-
2020
- 2020-05-27 CN CN202010462003.2A patent/CN113737466B/en active Active
Patent Citations (5)
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 |
CN210439005U (en) * | 2019-04-26 | 2020-05-01 | 惠而浦(中国)股份有限公司 | Press component for knob |
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 |
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Publication number | Publication date |
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CN113737466A (en) | 2021-12-03 |
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