CN1888229A - Waterproof button assembly for rotary drum washing machine - Google Patents
Waterproof button assembly for rotary drum washing machine Download PDFInfo
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- CN1888229A CN1888229A CN 200510014148 CN200510014148A CN1888229A CN 1888229 A CN1888229 A CN 1888229A CN 200510014148 CN200510014148 CN 200510014148 CN 200510014148 A CN200510014148 A CN 200510014148A CN 1888229 A CN1888229 A CN 1888229A
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Abstract
The present invention relates to a waterproof push-button component of drum washing machine. Said water-proof push-button component includes the following several portions: control panel for selecting various functions of washing machine by user; push-button which is composed of push-button frame formed into push-button self-body, switch press shaft which is projected towards rear portion from back surface of said push-button frame and can be used for pressing feather-touch switch, baseplate extend towards exterior from lower end of push-button frame and elastic component which is formed on the baseplate and can produce elastic force to make the push-button be reset after the push-button is pressed downwards. Besides, said invention also provides the assembly method of said waterproof push-button component.
Description
Technical field
The present invention relates to a kind of waterproof button assembly of roller washing machine.
Background technology
In general, control panel (control panel) is equipped with in upper end, the front of the casing of roller washing machine, is equipped with on the control panel for the user to select the various function operations buttons of washing machine and can and carry out the display unit that information such as state shows with the selected function of user.
Below with reference to Fig. 1 an example of existing eject button is described in detail.
Several pressing buttons 20 are equipped with in the front of above-mentioned control panel 1, and these buttons are action buttons of using for the operating state of user's selection and control washing machine.Printed circuit board (PCB) 2 is equipped with in the inside of above-mentioned control panel 1, on this printed circuit board (PCB) 2 various electronic devices and components is housed, and these electronic devices and components have not only constituted the circuit that is used to drive washing machine, and can be according to the various functions of selecting to start washing machine.
Above-mentioned printed circuit board (PCB) 2 is equipped with touch-switch (tactswitch) 3 on the position corresponding to above-mentioned button 20, utilizes above-mentioned touch-switch 3 can start the various functions of washing machine selectively.
In addition; the insulator (not shown) is equipped with at the rear of above-mentioned printed circuit board (PCB) 2; above-mentioned insulator not only can be fixed on above-mentioned printed circuit board (PCB) 2 on the above-mentioned control panel 1; and can support components and parts such as LED on the above-mentioned printed circuit board (PCB) 2 and switch and make on its both allocation that are positioned at above-mentioned control panel 1, can also protect above-mentioned printed circuit board (PCB) 2 simultaneously.
Above-mentioned button 20 is by forming with the lower part, i.e. button framework (button frame) 21, and it is the drum of an end closure, and this end that seals upwards bloats, and it has formed the body of button; Base plate 22, it is that lower end from the opening of above-mentioned button framework 21 begins horizontal extend outwards and forms, and is writing board shape, has formed the bottom of button; Switch pressing shaft 23, it is that center, the back side from above-mentioned button framework 21 begins outstanding backward forming, and can press above-mentioned touch-switch 3; Elastic portion 24, it can produce certain elastic force, sets back afterwards thereby above-mentioned button 20 is pressed again.
Each part of above-mentioned button 20 is that above-mentioned button framework 21, base plate 22, switch pressing shaft 23 and elastic portion 24 are integral molded plastic moulding.
Above-mentioned button 20 needs and can set back automatically after being pressed again, but the independent elastomeric element that can apply elastic force to it is not installed on above-mentioned button 20, but on the face on the base plate 22, dug out groove, so just can utilize button framework 21 and base plate 22 making material self elasticity and make button 20 possess certain elasticity, thereby the button here 20 is a kind of eject buttons.
Formed the bending part of bending certain-length backward on the limit of above-mentioned base plate 22, thereby it is one and possesses the tabular moulding of certain thickness quadrangle.In addition, above-mentioned base plate 22 has formed elastic portion 24 near on the position of above-mentioned button framework 21.
Above-mentioned elastic portion 24 is made of groove 24a, the 24b that 2 front and back that form on above-mentioned base plate 22 connect, and the shape of above-mentioned groove 24a, 24b is that 2 one end openings and the different semicircle of diameter interconnect on the face of above-mentioned base plate 22.Above-mentioned groove 24a, 24b are mutual interlocks, and will guarantee that in interlock the identical semicircle of diameter can form concentric circles.
Owing to formed groove 24a, the 24b of above-mentioned elastic portion 24, thereby be partitioned into the face of banded (strip) on the above-mentioned base plate 22.Under the state that above-mentioned button 20 is fixed, if on above-mentioned elastic portion 24, apply external force, the banded face of so above-mentioned elastic portion 24 will be elongated, become spirality, at this moment the elastic reaction of the material self by above-mentioned button 20 and elastic portion 24 can apply recuperability at above-mentioned external force.
The back side of above-mentioned control panel 1 has formed rearwardly projecting structure as described below, and promptly the button support 11, and it can be played a supporting role to the above-mentioned button 20 that is inserted into its inside; Button connects support 13, and it is used for fixing above-mentioned base plate 22; Stent support rib (guide rib) 12, it is used for supporting above-mentioned base plate 22.
Above-mentioned button support 11 is outstanding backward from the back side of above-mentioned control panel 1, and it is cylindrical, and height is identical with the sidewall height of above-mentioned button framework 21.This structure of above-mentioned button support 11 not only can play guiding and supporting role to above-mentioned button 20, and the above-mentioned button 20 of its inside of can guaranteeing to pack into can not project upwards toward the front of above-mentioned control panel 1 too much.
In addition, in order to make after above-mentioned button 20 inserts, keep certain intervals between the outer wall of the inwall of above-mentioned button support 11 and above-mentioned button framework 21, above-mentioned button support 11 is preferably slightly larger.
Above-mentioned button connects support 13 can play guiding and supporting role from the outside to the outer surface of above-mentioned base plate 22.Under the state that above-mentioned button 20 assembles, above-mentioned button connects support 13 also will give prominence to certain-length backward than the rear end of above-mentioned base plate 22, the end that simultaneously above-mentioned button connects support 13 has also formed hook structure, thereby can be fixed from the rear to the rear end of above-mentioned base plate 22.
Formed draw-in groove on certain position on the limit of above-mentioned base plate 22, snapped in the above-mentioned draw-in groove, just above-mentioned button 20 can have been fixed by the hook that above-mentioned button is connected support 13.
Above-mentioned stent support rib 12 connects the interior side-prominent of support 13 towards above-mentioned button, and height is identical with the height of above-mentioned button support 11, thereby it can play guiding and supporting role from the place ahead to above-mentioned button 20.
In having the button assembly of said structure, above-mentioned button framework 11 is inserted in the above-mentioned button support 21 and is supported, the place ahead of above-mentioned base plate 22 is subjected to the support of above-mentioned button support 11 and stent support rib 12, the side is subjected to the support that above-mentioned button connects support 13, and the rear end is subjected to the support at the hook of the end formation of above-mentioned button connection support 13.
But, because above-mentioned button support 11 and stent support rib 12 only only play guiding and supporting role to above-mentioned button 20, thereby the face that is in contact with one another of above-mentioned base plate 22 and above-mentioned button support 11 can not be close together, but can leave certain clearance.
Like this, if there is water on the anterior face of above-mentioned control panel 1, to flow, these water will flow into inside by the slit between above-mentioned button framework 21 and button support 11 inwalls so, in this case, owing to do not possess waterproof construction between above-mentioned button support 11 and the base plate 22, thereby water can penetrate into always on the printed circuit board (PCB) 2 that is installed in above-mentioned button 20 back.
Owing on the above-mentioned printed circuit board (PCB) 2 circuit is arranged not only, and various electronic devices and components are housed, and therefore in a single day above-mentioned printed circuit board (PCB) 2 meets water, will cause the damage of foregoing circuit and electronic devices and components, thereby cause electric fault, its result reduces reliability of products.This is the existing in prior technology problem just.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective that existing drum washer control panel exists, and provide a kind of button bracket component of roller washing machine, be characterized in making button support and button to be close together, the assemblage gap by button penetrates on the printed circuit board (PCB) that is installed in control panel inside thereby anti-sealing is from the front of control panel.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of waterproof button assembly of roller washing machine is characterized in that, comprises control panel, and its purposes is to select the various functions of washing machine for the user; Button, thus it is by the button framework that has formed the button body, outstanding backward and can press the switch pressing shaft of touch-switch, the base plate that forms from the lower end extend outwards of above-mentioned button framework, form at above-mentioned base plate and also can produce the elastic portion that elastic acting force sets back above-mentioned button after being pressed again and constitute from the back side of above-mentioned button framework; Button connects support, and it is the outstanding structure that forms on the back side of above-mentioned control panel, can play above-mentioned base plate and support and fixation; The button support, it is the outstanding structure that forms on the back side of above-mentioned control panel, can hold above-mentioned button framework and supported, and when the above-mentioned button of assembling, it can apply certain power to the elastic portion of above-mentioned button, thereby on the position after the elastic portion of above-mentioned button shifted onto face than above-mentioned base plate and more lean on.
The waterproof button assembly of aforesaid roller washing machine, wherein elastic portion forms on the position of the close above-mentioned button framework of above-mentioned base plate, it is made of 2 grooves, the shape of these 2 grooves all is that 2 one end openings and the different semicircle of diameter are connected, above-mentioned 2 grooves are mutual interlocks, and will guarantee that in interlock the identical semicircle of diameter can form concentric circles.
The waterproof button assembly of aforesaid roller washing machine, wherein also comprise the stent support rib in the button assembly, this stent support rib is when connecting support interior side-prominent to above-mentioned button, also the back side from above-mentioned control panel begins outstanding backward, it is supporting above-mentioned base plate, and the height of the above-mentioned button support of aspect ratio is low.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 a is the front side view of existing eject button
Fig. 1 b is the rear side view of the button shown in Fig. 1 a
Fig. 2 is the side cross-sectional views of the assembled state of existing eject button
Fig. 3 is the back view of the assembled state of button bracket component of the present invention and control panel
Fig. 4 is the side cross-sectional views of button and button bracket component shown in Figure 3
The number in the figure explanation:
1: control panel 2: printed circuit board (PCB)
3: touch-switch (tact switch) 111: button support (button guide)
112: stent support rib (guide rib) 113: button connects support
120: button (push button) 121: button framework (button frame)
122: base plate (base plate) 123: switch pressing shaft
124: elastic portion 124a, 124b: elastic groove
The specific embodiment
Before the explanation embodiments of the invention, at first be noted that for those parts same as the prior art in the composition structure of the present invention, here also to see figures.1.and.2, and still adopt identical title and label, omit detailed description simultaneously these parts.
As shown in Figure 3 and Figure 4, the button of using for the operating state of user's selection and control washing machine 120 is equipped with in the front of above-mentioned control panel 1, printed circuit board (PCB) printed circuit board (PCB) 2 is equipped with in the inside of above-mentioned control panel 1, has possessed the circuit and the various components and parts that are used to drive and control washing machine on this printed circuit board (PCB) 2.
Above-mentioned printed circuit board (PCB) 2 is equipped with touch-switch 3 on the position corresponding to above-mentioned button 120, utilizes above-mentioned touch-switch 3 can start the various functions of washing machine selectively.
The insulator (not shown) is equipped with at the rear of above-mentioned printed circuit board (PCB) 2; above-mentioned insulator not only can be fixed above-mentioned printed circuit board (PCB) 2; and can support components and parts such as LED on the above-mentioned printed circuit board (PCB) 2 and switch and make on its both allocation that are positioned at above-mentioned control panel 1, can also protect above-mentioned printed circuit board (PCB) 2 simultaneously.
Above-mentioned button 120 is by forming with the lower part, promptly formed the button body button framework 121, formed the button bottom base plate 122, can press the switch pressing shaft 123 of above-mentioned touch-switch 3 and the elastic portion 124 that can apply elastic force to button 120.Above-mentioned button framework 121, base plate 122, switch pressing shaft 123 and elastic portion 124 are integral molded plastic moulding.
Above-mentioned elastic portion 124 forms on the face of above-mentioned base plate 122, and it is made of 2 groove 124a, 124b, and the shape of these 2 groove 124a, 124b all is that 2 one end openings and the different semicircle of diameter are connected.Above-mentioned 2 groove 124a, 124b are mutual interlocks, and will guarantee that in interlock the identical semicircle of diameter can form concentric circles.
Under the state that above-mentioned button 120 is fixed, if on above-mentioned elastic portion 124, apply external force, so above-mentioned base plate 122 will be elongated by the face that 2 groove 124a, 124b of above-mentioned elastic portion 124 split, become spirality, at this moment the elastic reaction of the material self by above-mentioned button 120 and elastic portion 124 can apply recuperability at above-mentioned external force.
Above-mentioned button support 111 is outstanding backward from the back side of above-mentioned control panel 1, and it is cylindrical, and height is identical with the height of the sidewall of above-mentioned button framework 121.This structure of above-mentioned button support 111 not only can play guiding and supporting role to above-mentioned button 120, and the above-mentioned button 120 of its inside of can guaranteeing to pack into can not project upwards toward the front of above-mentioned control panel 1 too much.
In addition, in order to make after above-mentioned button 120 inserts, keep certain intervals between the outer wall of the inwall of above-mentioned button support 111 and above-mentioned button framework 121, above-mentioned button support 111 is preferably slightly larger.
Above-mentioned button connects support 113 can play guiding and supporting role from the outside to the outer surface of above-mentioned base plate 122.Under the state that above-mentioned button 120 assembles, above-mentioned button connects support 113 also will give prominence to certain-length backward than the rear end of above-mentioned base plate 122, the end that simultaneously above-mentioned button connects support 113 has also formed hook (hook) structure, thereby can be fixed from the rear to the rear end of above-mentioned base plate 122.
Back end outer surface at above-mentioned base plate 122 is connected with above-mentioned button on the corresponding position of hook of support 113 ends, has formed the draw-in groove that the hook that can make above-mentioned button connect support 113 snaps in.
In having the button assembly of said structure, above-mentioned button framework 111 is inserted in the above-mentioned button support 121 and is supported, the place ahead of above-mentioned base plate 122 is subjected to the support of above-mentioned button support 111 and stent support rib 112, the side is subjected to the support that above-mentioned button connects support 113, and the rear end is connected the hook of the end formation of support 113 and fixes at above-mentioned button.
Here, because above-mentioned button support 111 is more outstanding than above-mentioned stent support rib 112, thereby the assembled state of this moment be above-mentioned elastic portion 124 be subjected to part that above-mentioned button support 111 supports than the face of above-mentioned base plate 122 more by the back, like this, above-mentioned elastic portion 124 will apply recuperability towards the place ahead to above-mentioned button 120.
Under the elastic force effect of above-mentioned elastic portion 124, above-mentioned base plate 122 can be close to mutually with above-mentioned button support 111, just the slit between above-mentioned button 120 and button support 111 contacted can be sealed thus.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Moreover, aforesaid waterproof button assembly can also be applied in some other many household appliances that use under the condition of water inlet easily in the big or button in humidity except roller washing machine, for example dryer etc.
The effect of invention
Waterproof button assembly of the present invention is because when button was assembled on above-mentioned button support, the elastic portion of button was to assemble with the state of being pushed down, and therefore makes the face that is in contact with one another of button and button support be close together, thereby has played waterproof action.
Therefore the present invention can prevent that sealing penetrates on control panel inside and the above-mentioned printed circuit board (PCB) from the front of control panel, thereby prevents the fault that causes because of infiltration, further can improve reliability of products.
In addition, button assembly of the present invention has been owing to only changed the height of button support, thereby do not need to revise the existing mould that is used for control panel and bracket component.Simultaneously, owing to do not change the structure of existing eject button, thereby can also use existing eject button as usual.
Claims (3)
1, a kind of waterproof button assembly of roller washing machine is characterized in that, comprises control panel; Button, thus it is by the button framework that has formed the button body, outstanding backward and can press the switch pressing shaft of touch-switch, the base plate that forms from the lower end extend outwards of above-mentioned button framework, form at above-mentioned base plate and also can produce the elastic portion that elastic acting force sets back above-mentioned button after being pressed again and constitute from the back side of above-mentioned button framework; Button connects support, and it is the outstanding structure that forms on the back side of above-mentioned control panel, can play above-mentioned base plate and support and fixation; The button support, it is the outstanding structure that forms on the back side of above-mentioned control panel, can hold above-mentioned button framework and supported, and when the above-mentioned button of assembling, it can apply certain power to the elastic portion of above-mentioned button, thereby on the position after the elastic portion of above-mentioned button shifted onto face than above-mentioned base plate and more lean on.
2, the waterproof button assembly of roller washing machine according to claim 1, it is characterized in that above-mentioned elastic portion forms on the position of the close above-mentioned button framework of above-mentioned base plate, it is made of 2 grooves, the shape of these 2 grooves all is that 2 one end openings and the different semicircle of diameter are connected, above-mentioned 2 grooves are mutual interlocks, and will guarantee that in interlock the identical semicircle of diameter can form concentric circles.
3, the waterproof button assembly of roller washing machine according to claim 1, it is characterized in that also comprising in the above-mentioned button assembly stent support rib, this stent support rib is when connecting support interior side-prominent to above-mentioned button, also the back side from above-mentioned control panel begins outstanding backward, it is supporting above-mentioned base plate, and the height of the above-mentioned button support of aspect ratio is low; Waterproof button assembly as the roller washing machine of feature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014148 CN1888229A (en) | 2005-06-29 | 2005-06-29 | Waterproof button assembly for rotary drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014148 CN1888229A (en) | 2005-06-29 | 2005-06-29 | Waterproof button assembly for rotary drum washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1888229A true CN1888229A (en) | 2007-01-03 |
Family
ID=37577516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510014148 Pending CN1888229A (en) | 2005-06-29 | 2005-06-29 | Waterproof button assembly for rotary drum washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1888229A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377048B (en) * | 2007-08-31 | 2011-11-30 | 佛山市顺德海尔电器有限公司 | Key water-proof structure of washing machine |
| CN107641937A (en) * | 2017-09-26 | 2018-01-30 | 青岛海高设计制造有限公司 | A kind of indicating knob, program for washing indicating means and washing machine |
| WO2018126995A1 (en) * | 2017-01-06 | 2018-07-12 | 青岛海尔洗衣机有限公司 | Washing machine |
| CN110438739A (en) * | 2018-05-04 | 2019-11-12 | 青岛海尔滚筒洗衣机有限公司 | A kind of washing machine waterproof master control borad |
-
2005
- 2005-06-29 CN CN 200510014148 patent/CN1888229A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377048B (en) * | 2007-08-31 | 2011-11-30 | 佛山市顺德海尔电器有限公司 | Key water-proof structure of washing machine |
| WO2018126995A1 (en) * | 2017-01-06 | 2018-07-12 | 青岛海尔洗衣机有限公司 | Washing machine |
| CN107641937A (en) * | 2017-09-26 | 2018-01-30 | 青岛海高设计制造有限公司 | A kind of indicating knob, program for washing indicating means and washing machine |
| CN110438739A (en) * | 2018-05-04 | 2019-11-12 | 青岛海尔滚筒洗衣机有限公司 | A kind of washing machine waterproof master control borad |
| CN110438739B (en) * | 2018-05-04 | 2021-11-12 | 青岛海尔洗涤电器有限公司 | Waterproof main control board of washing machine |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |