CN1683638A - Rotary switch module for washing machine - Google Patents

Rotary switch module for washing machine Download PDF

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Publication number
CN1683638A
CN1683638A CN 200410018860 CN200410018860A CN1683638A CN 1683638 A CN1683638 A CN 1683638A CN 200410018860 CN200410018860 CN 200410018860 CN 200410018860 A CN200410018860 A CN 200410018860A CN 1683638 A CN1683638 A CN 1683638A
Authority
CN
China
Prior art keywords
switch
circuit board
printed circuit
switch cover
knob
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.)
Pending
Application number
CN 200410018860
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Chinese (zh)
Inventor
金永洙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Tianjin Appliances Co Ltd
Original Assignee
LG Electronics Tianjin Appliances Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics Tianjin Appliances Co Ltd filed Critical LG Electronics Tianjin Appliances Co Ltd
Priority to CN 200410018860 priority Critical patent/CN1683638A/en
Publication of CN1683638A publication Critical patent/CN1683638A/en
Pending legal-status Critical Current

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Abstract

The rotary switch module for washing machine includes knob set on the control panel, rotary switch set on the printed circuit board and capable of rotating together with the knob, switch hood soldered to the printed circuit board for protecting the rotary switch, and diode rack set around the switch hood on the printed circuit board. Several guide slots are formed around the switch hood for holding one LED in each slot, and there is also one baffle to combine the switch hood onto the diode rack. Owing to the diode rack tightly combined to the printed circuit board, the switch hood is pressed to the printed circuit board by the baffle, the switch hood will not be shaken during operation.

Description

The rotary switch assembly of washing machine
Technical field
The present invention relates to a kind of washing machine, particularly relate to a kind of rotary switch assembly of washing machine, the integrally formed baffle plate of the rotary switch assembly utilization of this washing machine and diode support is supporting switch cover.
Background technology
Usually, washing machine is a kind of household electrical appliance of removing the dirt on the washings, washings is immersed in the washings that are dissolved with washing agent, utilize the chemical action of washing agent to remove dirt on the washings, by producing strong current, mechanical forces such as utilization friction, vibration are removed the dirt on the washings simultaneously.Wherein, tumbling-box washing machine is horizontally disposed with cylinder, and can prevent the damage of washings and tangle mutually, and the effect that has beating, rubs clothing with the hands.
As shown in Figure 1, existing tumbling-box washing machine comprises: shell 2, washing tank (not shown), cylinder 4, lifting member 6, waterworks, drainage arrangement and motor (not shown).Described shell 2 forms the outward appearance of washing machine, and has open shape front and end face; Described washing tank is arranged on the inside of shell 2 by the damping piece (not shown); Described cylinder 4 rotatably is arranged on the inside of washing tank; Described lifting member 6 can rise to certain altitude around the inwall setting of cylinder 4 with washings during washing; Described waterworks comprise feed pipe 8, are used for to cylinder 4 feedwater; Described drainage arrangement comprises drainpipe, can the washings in the cylinder 4 be discharged; Described motor is arranged on the outside of stating washing tank, is connected with cylinder 4 by the rotating shaft (not shown), and head roll 4 rotates.
Top cover 1 covers the top at shell 2; Gate parts 3 are arranged on the front central part of shell 2, and gate parts 3 comprise and pick and place mouthful H and gate 11; Can pick and place washings from cylinder 4 by picking and placeing mouthful H, gate 11 can be opened/close and pick and place a mouthful H; The front upper of described shell 2 is provided with detergent box 12 and control panel 20; The effect of described detergent box 12 is to cylinder 4 supplying detergents; The effect of described control panel 20 is the various laundry orders of input, and shows the duty of washing machine, and control panel 20 comprises a printed circuit board (PCB), and printed circuit board (PCB) is provided with many electronic components.
The course of work to above-mentioned existing tumbling-box washing machine is illustrated below:
During washing clothes, washings is put into cylinder 4, set washing procedure by control panel 20, washing machine is to cylinder 4 feedwater then, and feedwater finishes back roll 4 and begins rotation, washing clothes.
In washing process, washings is washed under the effect of current that the rotation of the chemical action of washing agent and cylinder 4 produces and lifting member 6 etc.
Washing is discharged washings after finishing from cylinder 4, and then gives cylinder 4 feedwater, allows 4 pairs of washings of cylinder clean, and after cleaning finishes, carries out draining, and cylinder 4 rotation is at a high speed then dewatered.
As shown in Figures 2 and 3, on printed circuit board (PCB) 22 and control panel 20, be provided with rotary switch assembly, its effect is to select a pattern from several functional modes.
The front of described printed circuit board (PCB) 22 is provided with rotary switch 24, switch cover 26, light emitting diode 28 and LED support 30; The a certain functional mode of washing machine is selected and opened to described rotary switch 24 by the difference of contact point mode; Switch cover 26 is covered with rotary switch 24, and its centre forms swingle hole 26a, and the swingle 24a of rotary switch 24 rotatably runs through swingle hole 26a; Light emitting diode 28 around be arranged on switch cover 26 around,, during rotary switch 24 rotation, luminous selectively by circular arc across the certain intervals setting; The light that 30 pairs of light emitting diodes 28 of LED support send carries out leaded light, make light clearly transmission in the front of control panel 20.
Described LED support 30 has the circular arc shape, identical with the spread geometry of light emitting diode 28, on LED support 30, the position corresponding with light emitting diode 28, form several gathering sills 30a, each gathering sill 30a inserts a light emitting diode 28 respectively, and LED support 30 is embedded on the printed circuit board (PCB) 22.
On control panel 20, be provided with knob 32, the effect of knob 32 is pressed when being used for rotation turn switch 24, and casing starts selecteed functional mode; On control panel 20, be formed with corresponding to the position of LED support 30 (be knob 32 around) and show cover 34, show that cover 34 is formed by the transparent material injection moulding, the light that can send through light emitting diode 28; The lateral surface of demonstration cover 34 is pasted with demonstration and is with 36.Show that the effect with 36 is that the light that allows diode send can only appear from display area 34a, display area 34a is formed on the lateral surface that shows cover 34, on the chosen position of each functional mode, demonstrates function corresponding with literal, numeral or symbol.
But there is following shortcoming in the rotary switch assembly of above-mentioned existing tumbling-box washing machine: switch cover 26 is fixed by welding on the printed circuit board (PCB) 22, and adhesion is less.Therefore, during user's rotation turn switch 24, if knob 32 produces excessive revolving force, switch cover 26 will shake, and switch cover 26 might take place from printed circuit board (PCB) 22 disengagements or by damaged phenomenon.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of the rotary switch assembly existence of above-mentioned existing tumbling-box washing machine, a kind of rotary switch assembly of novel washing machine is provided, when making user's rotation turn switch, even knob produces excessive revolving force, can prevent that also switch cover from shaking, thereby prevent switch cover from the printed circuit board (PCB) disengagement or by damaged phenomenon.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the rotary switch assembly of washing machine of the present invention comprises: knob, rotary switch, switch cover and diode support; Described knob rotatably is located on the control panel; Described rotary switch is arranged on the printed circuit board (PCB) and can rotates with the knob one; Described switch cover is welded on the printed circuit board (PCB), is used for protecting rotary switch; Described diode support is arranged on the printed circuit board (PCB) around switch cover, forms several gathering sills around switch cover, is separately installed with a light emitting diode in each gathering sill; Also comprise baffle plate; Described baffle plate is combined in switch cover on the diode support, when operation knob, can prevent that switch cover from shaking.
On the described switch cover corresponding to being formed with pole socket on the position of knob highlightedly; The swingle of the rotary switch that combines with knob runs through pole socket; Described baffle plate is covered with switch cover tightly, is formed on the inboard of diode support; Position corresponding to the pole socket of switch cover on the described baffle plate is formed with baffle holes; The pole socket of described switch cover tightly is embedded in the baffle holes.
The invention has the beneficial effects as follows: after the rotary switch assembly assembling of washing machine of the present invention, diode support tightly is combined on the printed circuit board (PCB), therefore, baffle plate is by the adhesion of diode support and printed circuit board (PCB), on fore-and-aft direction, switch cover is pressed to printed circuit board (PCB), simultaneously, the pole socket of switch cover is embedded in the baffle holes tightly.Therefore, during operation knob, even be subjected to very big operating physical force, switch cover can not shake yet.
Description of drawings
Fig. 1 is the schematic appearance of existing tumbling-box washing machine;
Fig. 2 is the decomposing schematic representation of the rotary switch assembly of existing tumbling-box washing machine shown in Figure 1;
Fig. 3 is along the cutaway view of A-A line among Fig. 1;
Fig. 4 is the decomposing schematic representation of the rotary switch assembly of washing machine of the present invention;
Fig. 5 is the cutaway view of the rotary switch assembly of washing machine of the present invention.
Among the figure
50: control panel 52: printed circuit board (PCB)
54: show cover 62: knob
64: rotary switch 66: switch cover
68: light emitting diode 70: diode support
72: baffle plate
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
The rotary switch assembly of washing machine of the present invention comprises: knob 62, rotary switch 64, switch cover 66, diode support 70 and baffle plate 72; Described knob 62 rotatably is arranged on the control panel 50; Described contact rotary switch 64 is arranged on the printed circuit board (PCB) 52 and with knob 62 one and rotates; Described switch cover 66 is welded on and is used for protecting rotary switch 64 on the printed circuit board (PCB) 52; Described diode support 70 is embedded on the printed circuit board (PCB) 52 around switch cover 66, forms several gathering sills 70a around switch cover 66, is separately installed with a light emitting diode 68 among each gathering sill 70a; Described baffle plate 72 is combined in switch cover 66 on the diode support 70, and during operation knob 62, baffle plate 72 can prevent that switch cover 66 from shaking.
The inside line towards rotary switch 64 be formed with bar joint portion 62a, inlaying swingle 64a in the 62a of bar joint portion, swingle 64a can rotate with knob 62 one; Swingle 64a is vertical mutually with knob 62, is formed on highlightedly on the rotary switch 64; The outer periphery of knob 62 is equipped with and shows cover 54, shows that cover 54 is fixed on control panel 50.
Showing that the position corresponding to each light emitting diode 68 is formed with a loophole 54a respectively on the cover 54, its effect is the outside transmission of light that light emitting diode 68 is sent, each loophole 54a can demonstrate the information of literal, numeral and/or symbol, so that make the user understand the luminous implication of diode 68.
Form open box-formed shape with the back side of printed circuit board (PCB) 52 switch cover 66 in opposite directions; On the switch cover 66 corresponding to the position of the bar joint portion 62a of knob 62, the outstanding pole socket 66b that is formed with, pole socket 66b is mutual vertical with knob 62, is formed with bar hole 66a on the pole socket 66b, the swingle 64a of rotary switch 64 passes bar hole 66a.
Described light emitting diode 68 is welded on the printed circuit board (PCB) 52, during rotary switch 64 rotation, somely in several light emitting diodes 68 carries out luminously, makes the user identify rotary switch 64 selected functional modes.
Described diode support 70 is the circular arc shape under shed, be formed with the pilot hole 70a that several run through by fore-and-aft direction on the diode support 70, pilot hole 70a is corresponding mutually on fore-and-aft direction with the loophole 54a that shows cover 54, thereby the light that light emitting diode 68 is sent appears from the front that shows cover 54 loophole 54a.
Described baffle plate 72 is the circular plate type shape, is arranged on the inboard of diode support 70, combines closely with the front of switch cover 68, is covered with switch cover 66; On baffle plate 72,, be formed with baffle holes 72a corresponding to the position of switch cover 66 pole socket 66b; The pole socket 66b of described switch cover 66 tightly is embedded among the baffle holes 72a.
Described baffle plate 72 ecto-entads are towards printed circuit board (PCB) 52 bendings, and it forms several prodgers 72b towards the back side of printed circuit board (PCB) 52 periphery along circumference, and these prodgers 72b is embedded on the printed circuit board (PCB) 52.
Described baffle plate 72 is being inlayed in baffle holes 72a under the state of pole socket 66b of switch cover 66, when diode support 70 is embedded on the printed circuit board (PCB) 52, allows switch cover 66 also be welded on the printed circuit board (PCB) 52, thus the welding position of determine switch cover 66.
After the assembling, described diode support 70 tightly is combined on the printed circuit board (PCB) 52, therefore, baffle plate 72 is by the adhesion of diode support 70 and printed circuit board (PCB) 52, on fore-and-aft direction, switch cover 66 is pressed to printed circuit board (PCB) 52, simultaneously, the pole socket 66b of switch cover 66 is embedded among the baffle holes 72a tightly.Therefore, during operation knob 62, even be subjected to very big operating physical force, switch cover 66 can not shake yet.

Claims (2)

1. the rotary switch assembly of a washing machine comprises: knob, rotary switch, switch cover and diode support; Described knob rotatably is located on the control panel; Described rotary switch is arranged on the printed circuit board (PCB) and can rotates with the knob one; Described switch cover is welded on the printed circuit board (PCB), is used for protecting rotary switch; Described diode support is arranged on the printed circuit board (PCB) around switch cover, forms several gathering sills around switch cover, is separately installed with a light emitting diode in each gathering sill; It is characterized in that: also comprise baffle plate (72); Described baffle plate (72) is combined in switch cover (66) on the diode support (70), and its effect is: when operation knob (62), can prevent that switch cover (66) from shaking.
2. the rotary switch assembly of washing machine according to claim 1 is characterized in that: described switch cover (66) is gone up corresponding to being formed with pole socket (66b) on the position of knob (62) highlightedly; The swingle (64a) of the rotary switch (64) that combines with knob (62) runs through pole socket (66b); Described baffle plate (72) is covered with switch cover (66) tightly, is formed on the inboard of diode support (70); The position that described baffle plate (72) is gone up corresponding to the pole socket (66b) of switch cover (66) is formed with baffle holes (72a); The pole socket (66b) of described switch cover (66) tightly is embedded in the baffle holes (72a).
CN 200410018860 2004-04-12 2004-04-12 Rotary switch module for washing machine Pending CN1683638A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410018860 CN1683638A (en) 2004-04-12 2004-04-12 Rotary switch module for washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410018860 CN1683638A (en) 2004-04-12 2004-04-12 Rotary switch module for washing machine

Publications (1)

Publication Number Publication Date
CN1683638A true CN1683638A (en) 2005-10-19

Family

ID=35263122

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200410018860 Pending CN1683638A (en) 2004-04-12 2004-04-12 Rotary switch module for washing machine

Country Status (1)

Country Link
CN (1) CN1683638A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101177887B (en) * 2006-11-08 2010-08-25 南京乐金熊猫电器有限公司 Control panel of washing machine
CN101150022B (en) * 2006-09-19 2011-03-23 华晶科技股份有限公司 Function switching button structure
CN105002701A (en) * 2014-04-21 2015-10-28 Lg电子株式会社 Laundry treating apparatus
WO2018059229A1 (en) * 2016-09-28 2018-04-05 青岛海尔滚筒洗衣机有限公司 Washing machine knob and washing machine
CN108691151A (en) * 2017-04-11 2018-10-23 青岛海尔滚筒洗衣机有限公司 A kind of control panel and washing machine of washing machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101150022B (en) * 2006-09-19 2011-03-23 华晶科技股份有限公司 Function switching button structure
CN101177887B (en) * 2006-11-08 2010-08-25 南京乐金熊猫电器有限公司 Control panel of washing machine
CN105002701A (en) * 2014-04-21 2015-10-28 Lg电子株式会社 Laundry treating apparatus
CN105002701B (en) * 2014-04-21 2017-05-24 Lg电子株式会社 Laundry treating apparatus
WO2018059229A1 (en) * 2016-09-28 2018-04-05 青岛海尔滚筒洗衣机有限公司 Washing machine knob and washing machine
CN108691151A (en) * 2017-04-11 2018-10-23 青岛海尔滚筒洗衣机有限公司 A kind of control panel and washing machine of washing machine
CN108691151B (en) * 2017-04-11 2020-08-11 青岛海尔滚筒洗衣机有限公司 Washing machine's control panel and washing machine

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