CN1746391A

CN1746391A - Controller of washer

Info

Publication number: CN1746391A
Application number: CN 200410071880
Authority: CN
Inventors: 宋文守; 姜东沅
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2004-09-08
Filing date: 2004-09-08
Publication date: 2006-03-15

Abstract

The invention opens a control device of the washer that includes control base, display plate, rotary button, and emitting LED bearer. The convex rim forms on the rotary button and the projecting part that can avoid the convex rim shaking forms on the emitting LED bearer. Because of the above, the control device improves the stability of the product.

Description

The control device of washing machine

Technical field

The present invention relates to a kind of washing machine.Particularly relate to a kind of control device that can prevent the washing machine that the washing machine rotary knob rocks.

Background technology

In general, the washing machine utilization supplies to the effect of the water and the washing agent of washtub, removes the pollutant of the clothes that is housed in the cylinder, bed-clothes etc. by washing, rinsing, dehydration.

Fig. 1 is the schematic perspective view of the washing machine of prior art; Fig. 2 is the internal structure schematic diagram of washing machine of the present invention.

As shown in Figure 1 and Figure 2, the upper vertical of the washing machine base plate 1 of prior art is provided with the casing 2 of front and top and bottom opening; Be provided with the bucket 4 of holding washing water between the two sides of casing 2; Be provided with top cover 5 above the casing 2.

Be arranged on the spring 3a between bucket 4 and the casing 2 or be arranged on bucket 4 and base plate 1 between buffer 3b support bucket 4.Bucket 4 is connected with the water supply installation 6 and the drainage arrangement 7 of discharging the washings in the bucket 4 to bucket 4 internal feed water or washing agent.

Wherein, 6b, 6d, 6c are outlet pipe, water inlet pipe and the control valves that constitutes water supply installation 6.

Bucket 4 rear portions are equipped with motor 8, and the rotating shaft of motor 8 penetrates in the bucket 4 and is connected with the cylinder 10 of its interior placement washings.

Be formed with a plurality of water holes 9 on the cylinder 10, make that the washings in the bucket 4 penetrate into washing by soaking thing in the cylinder 10.And the inwall of cylinder 10 is provided with and promotes the lifter 11 that falls again behind the washings.

The front face side central authorities of casing 2 are formed with the washings input port of dropping into washings to the inside of cylinder 10, and are provided with the casing cover cap 12 that the door of washing machine 13 that opens and closes the washings input port is installed.

Be provided with the control device 20 that the operator operates the operation washing machine above the upside of the casing cover cap 12 of washing machine as above or the top cover 5.

Control device 20 is provided with the various switches and the various display units that show washing machine running state that are used to operate the washing machine operation.

Use the rotary switch that various operation options are selected with a switch in recent years widely, and a plurality of light emitting diodes that show the selected option of rotary switch are installed.

Fig. 3 is the generalized section of control device of the washing machine of prior art.

Control device 20 includes: control basal plate 26, control panel 28, display floater 30, rotary knob 34, LED support 40.Various parts such as rotary switch 22 and light emitting diode 24 are set on the control basal plate 26; Control panel 28 Coverage Control substrates 26 and protection control basal plate 26 and electronic unit; Display floater 30 is installed on the control panel 28 and is positioned at the front side of light emitting diode 24, and is formed with hyalomere and the perforation 29 that penetrates the light that sends from light emitting diode 24; Rotary knob 34 is connected on the rotating shaft 23 of rotary switch 22, and has convex edge 32, and rotary knob 34 is by perforation 29 preceding side-prominent to control panel 28, and its convex edge 32 is blocked at the back side of display floater 30 simultaneously; LED support 40 guiding is from the light of light emitting diode 24 irradiations, and is formed with and stops the stop part 36 that moves backward convex edge 32.

The following describes the course of action of the controller of washer of aforesaid prior art.

At first, the operator is along clockwise direction or counterclockwise rotate rotary knob 34, and along with the rotation of rotary knob 34, the rotating shaft 23 of rotary switch 22 also rotates, thereby touches the internal circuit of rotary switch 22.

At this moment, the convex edge 32 of rotary knob 34 is shown panel 30 and stops in the front side, and its rear side is stopped by the stop part 36 of LED support 40, so prevented the disengaging of rotary knob 34.

But in the control device of the washing machine of prior art, convex edge 32 can reduce the reliability of rotary knob 34 when loosening phenomenon takes place between the stop part 36 of display floater 30 and LED support 40.

Summary of the invention

Technical problem to be solved by this invention is, provides a kind of and prevents the loosening of rotary knob and can improve the control device of the washing machine of product reliability.

The technical solution adopted in the present invention is: a kind of control device of washing machine, include: control basal plate, display floater, rotary knob, LED support constitute, rotary switch is installed on the control basal plate, and rotary switch be attached with most light emitting diodes; Display floater is positioned at the front side of most light emitting diodes, and is formed with open pore; Rotary knob is connected on the rotating shaft of rotary switch, also be formed with on the rotary knob pass open pore after the front side be shown the convex edge that panel stops; LED support forms the promising rotary knob that prevents and rocks and stop the protuberance of the convex edge on the rotary knob around light emitting diode and the convex edge that stops rotary knob on the LED support.

Described LED support is by constituting around most unit of light emitting diode and dish portion integrally formed with most unit and that have a through hole that runs through rotating shaft, and described protuberance is outstanding annular projection one side and that can touch the back side of convex edge that is formed on dish portion.

The control device of washing machine of the present invention forms the convex edge on rotary knob, form at LED support and prevent the protuberance that rock the convex edge, thereby prevented rocking and having improved reliability of products of rotary knob.

Description of drawings

Fig. 1 is the schematic perspective view of the washing machine of prior art;

Fig. 2 is the internal structure schematic diagram of washing machine of the present invention;

Fig. 3 is the generalized section of control device of the washing machine of prior art;

Fig. 4 is the exploded perspective schematic diagram of the control device embodiment of washing machine of the present invention;

Fig. 5 is the generalized section of amplification of the control device embodiment of washing machine of the present invention.

Wherein:

50: control panel 51: open pore

52: hook 60: control basal plate

62: hook hole 70: rotary switch

72: rotating shaft 78: rotary knob

79: convex edge 80: axle hole

82: light emitting diode 88: unit

90: LED support 91: unit portion

91a: lateral wall 91b: madial wall

91c: zoning next door 91d: hook

92: through hole 93: dish portion

95: protuberance 108: hyalomere

110: display surface 112: open pore

The specific embodiment

Below, be described with reference to the accompanying drawings the preferred embodiments of the present invention.

Fig. 4 is the exploded perspective schematic diagram of embodiment of the control device of washing machine of the present invention; Fig. 5 is the generalized section of amplification of the control device embodiment of washing machine of the present invention.

As Fig. 4, shown in Figure 5, in the control device of the washing machine of present embodiment, the rear side of control panel 50 is provided with control basal plate 60, and the various electronic units that are used to control washing, rinsing, dehydration etc. are installed on the control basal plate 60; Be equipped with on the control basal plate 60 with a switch just can wash, the rotary switch 70 of various operations such as rinsing, dehydration and demonstrate a plurality of light emitting diodes 82 of the selection mode of rotary switch 70, and LED supports 90 with a plurality of unit 88 around light emitting diode 82.

Be formed with open pore 51 at a plurality of light emitting diodes 82 and LED support 90 front sides in the control panel 50.And the other parts that are equipped with except hyalomere 108 at open pore 51 places are nontransparent display floater 110.At open pore 51 places, the light that hyalomere 108 can be produced by light emitting diode 82.

Be formed with the hook 52 of can hook living display floater 110 marginal portions on the control panel 50, make display floater 110 to be installed on the control panel 50 by hook.

Wherein at least one demonstrates pellucidity in the numeral of hyalomere 108 or mark, the literal.

Display floater 110 is formed with the open pore 112 that runs through the rotary knob 78 that hereinafter will illustrate.

Rotary switch 70 is fixed on the control basal plate 60 by modes such as attachment screw or welding.The inside of rotary switch 70 has on-off circuit, and the rotating shaft 72 of connection on-off circuit is outstanding forward, makes it possible to switching switch circuit.

Be connected with the rotary knob 78 that rotates rotating shaft 72 on the rotating shaft 72.

Rotary knob 78 is preceding face closure, the open barrel shape of rear side, and its inboard formation can be inserted the axle hole 80 of rotating shaft 72.And the peripheral tab-like convex edge 79 that circularizes shape of rear end side.

A plurality of light emitting diodes 82 are installed in the periphery of rotary switch 70 spaced reciprocally.

LED support 90 is by constituting around a plurality of unit 88 of a plurality of light emitting diodes 82 and dish portion 93 integrally formed with a plurality of unit 88 and that have a through hole 92 that runs through rotating shaft 72.

Unit portion 91 by the lateral wall 91a of curve form, at the madial wall 91b of the curve form of lateral wall 91a inboard, be formed on a plurality of zonings next door 91c that radioactively forms between lateral wall 91a and the madial wall 91b and constitute.The space that is made of lateral wall 91a, madial wall 91b and zoning next door 91c forms unit 88.

Outstanding being formed with linked up with 91d in the unit portion 91, thereby makes LED support 90 to be fixed on the control basal plate 60 by hook.

Dish portion 93 is formed on the interior week of madial wall 91b, and its central authorities are formed with through hole 92.

Be formed with in the dish portion 93 and prevent the protuberance 95 that rocks convex edge 79.

Protuberance 95 for contact 79 back sides, convex edge, in the tab-like shape projection that circularizes of the one side of dish portion 93.And convex edge 79 is supported to display floater 110 directions, made convex edge 79 between the front of the back side of display floater 110 and protuberance 95, be not easy to become flexible.

The label 62 that does not have explanation in the accompanying drawing is for being formed on the hook hole on the control basal plate 60.Hook hole 62 is used to insert the hook 91d of LED support 90.

The structure of the control device of washing machine of the present invention the following describes the assembling process of controller of washer of the present invention as mentioned above.

At first, rotary switch 70 is arranged on the control basal plate 60, a plurality of light emitting diodes 82 are set around rotary switch 70.Hook 91d inserts and is formed in the hook hole 62 of control basal plate 60, thereby makes the unit 88 of LED support 90 center on light emitting diode 82.So LED support 90 is hooked on control basal plate 60 by the hook 91d on it and is installed on the control basal plate 60.

At this moment, rotating shaft 72 runs through the through hole 92 that is formed on LED support 90 and gives prominence to the place ahead of LED support 90.

Then, rotating shaft 72 inserts the axle hole 80 of rotary knob 78 again and mutually combines, and when rotary knob 78 was positioned at dish portion 93 the place aheads of LED support 90, convex edge 79 touched protuberance 95.

After on the open pore 51 of control panel 50 display floater 110 being installed, control panel 50 is placed the place ahead of control basal plate 60 and makes rotary knob 78 run through the through hole 112 of display floater 110 simultaneously.Thereby the major part of rotary knob 78 is outstanding to the place ahead of control panel 50, and the back side that while convex edge 79 is shown panel 110 stops.

At this moment, convex edge 79 is subjected to the supporting role of protuberance 95 simultaneously, so can not arbitrarily rock between the front of the back side of display floater 110 and protuberance 95.

And when rotary knob 78 rotated, convex edge 79 was avoided rocking between display floater 110 and protuberance 95.

Claims

1. the control device of a washing machine, include: control basal plate (60), display floater (110), rotary knob (78), LED support (90) constitute, rotary switch (70) is installed on the control basal plate (60), and rotary switch (70) be attached with most light emitting diodes (82); Display floater (110) is positioned at the front side of most light emitting diodes (82), and is formed with open pore (51); Rotary knob (78) is connected on the rotating shaft (72) of rotary switch (70), also is formed with on the rotary knob (78) to pass front side, open pore (51) back and be shown the convex edge (79) that panel (110) stops; LED support (90) is around light emitting diode (82) and stop the convex edge (79) of rotary knob (78), it is characterized in that LED support (90) go up to form the promising rotary knob (78) that prevents and rocks and stop the protuberance (95) of the convex edge (79) on the rotary knob (78).

2. the control device of washing machine according to claim 1, it is characterized in that, described LED support (90) is by constituting around most unit (88) of light emitting diode (82) and dish portion (93) integrally formed with most unit (88) and that have a through hole (92) that runs through rotating shaft (72), and described protuberance (95) is outstanding annular projection one side and that can touch the back side of convex edge (79) that is formed on dish portion (93).