CN103700533B - For the push-Button switch assembly of household electrical appliance - Google Patents
For the push-Button switch assembly of household electrical appliance Download PDFInfo
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- CN103700533B CN103700533B CN201310626893.6A CN201310626893A CN103700533B CN 103700533 B CN103700533 B CN 103700533B CN 201310626893 A CN201310626893 A CN 201310626893A CN 103700533 B CN103700533 B CN 103700533B
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Abstract
The invention discloses a kind of push-Button switch assembly for household electrical appliance, comprise the button part with multiple button and the switch sections being formed with box body, described switch sections comprises the switching circuit plate be arranged in box body, described switching circuit plate is provided with the light source corresponding with button, it is characterized in that, described switch sections also comprises anti-optical crosstalk seat, described anti-optical crosstalk seat is separated to form the notch seat every light corresponding with light source, described light source is positioned at the recess of described notch seat, each notch seat surface is provided with transmittance section, the center of described transmittance section offers the perforation supplying the push contact of button part to pass, described switching circuit plate is provided with the switch contact corresponding with push contact.Anti-optical crosstalk seat is set between each group of light source, effectively eliminates the optical crosstalk phenomenon of each light source, button corresponding to each light source can be shown normally, avoid display mistake to cause erroneous judgement or misoperation.
Description
Technical field
The present invention relates to a kind of switch, especially a kind of push-Button switch assembly for household electrical appliance.
Background technology
Push-button switch has a wide range of applications, and as being installed on the control panel of household electrical appliance, is used for the operation of control apparatus.As being provided with for controlling the operating state of lampblack absorber and the switch of relevant parameter on the front panel of lampblack absorber, switch is arranged in the space that formed between front panel and the sidewall of exhaust fume collecting hood.In order to make the indicator light luminescence of the pattern on switch key or switch being arranged other deixises, usually light source is set in switch module.
As application number a kind of construction of switch being realized button instruction by light refraction disclosed in the Chinese patent of 201120564515.6, multiple printing opacity button housing is equipped with, the wiring board be positioned at below printing opacity button be provided with touch-switch and with touch-switch illuminating part side by side; And for example application number a kind of switch for fume exhauster disclosed in the Chinese patent of 200520061130.2, comprise the pedestal being provided with circuit board and the switch panel be arranged on pedestal, switch panel is provided with push-button socket, the transparent button contacted with electric elements switch is installed in push-button socket, circuit board is provided with luminous element, luminous body position is in the side of electric elements switch, and the light sent by luminous element can know the operating state of smoke exhaust ventilator.
These above-mentioned constructions of switch, owing to having the illuminating part of multiple shift knob and the corresponding button setting, and dense arrangement between each button, therefore, when one of them button press make illuminating part luminous time, the light sent easily appears from adjacent button, namely easily there is the phenomenon of the mutual crosstalk of light between adjacent button, thus cause the function information on the corresponding button cannot normally show or cause the function information on multiple button to light the normal situation appearance used of impact simultaneously, easily make the button operated by operator's erroneous judgement.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art Problems existing, provides a kind of light path of illuminating source independently for the push-Button switch assembly of household electrical appliance.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of push-Button switch assembly for household electrical appliance, comprise the button part with multiple button and the switch sections being formed with box body, described switch sections comprises the switching circuit plate be arranged in box body, described switching circuit plate is provided with the light source corresponding with button, it is characterized in that, described switch sections also comprises anti-optical crosstalk seat, described anti-optical crosstalk seat is separated to form the notch seat every light corresponding with light source, described light source is positioned at the recess of described notch seat, each notch seat surface is provided with transmittance section, the center of described transmittance section offers the perforation supplying the push contact of button part to pass, described switching circuit plate is provided with the switch contact corresponding with push contact.
In order to keep the sealing in box body, Yi Mianshui, dust etc. enter the normal use affecting push-button switch in box body, the described periphery of anti-optical crosstalk seat and the periphery close-fitting of box body.
In a preferred embodiment, described light source is the point-source of light of multiple circular array, and described transmittance section is provided with the first even mating plate, and even mating plate can soft, the light that sends of diffusion point-source of light thus, has reached good display effect.
For showing the running status of household electrical appliance intuitively, described push-button socket is also provided with indicator light.
The preferred embodiment that indicator light is arranged is, described indicator light comprises the indicator lamp holder every light, be arranged on the instruction light source be electrically connected with switching circuit plate in indicator lamp holder, described instruction light source is coated with the second even mating plate, the top of described indicator lamp holder is provided with light guide plate; Thus, not only can avoid indicator light and button optical crosstalk, and the light that indicator light light source can be made to send is comparatively soft, display effect is good.
In order to the information such as pattern on the Show Button top, described switch sections also comprises the push-button socket and bottom that form described box body, the first reference column of printing opacity is arranged with, described first reference column and being connected for the button hole arranging button that the push-button socket of switch is offered outside described button; Adopt the material of printing opacity to make the reference column being used for button location, when when the bottom of button has backlight, top has the information displaying functions such as pattern, the light being convenient to backlight appears, and makes the top of button normally can show information.
In order to make button can contact on the wiring board of push switch, described push contact comprises the Part I penetrated in button and the Part II be positioned at outside bottom button, described Part I and button close-fitting, the circumference of described Part II is provided with radially outward outstanding locating convex block, the sidewall of described button hole is provided with accordingly the location notch with locating convex block.
Described locating convex block comprises spaced the first locating convex block of varying in size and the second locating convex block, described location notch comprises the first location notch and the second location notch that vary in size accordingly, button can be prevented thus anti-loaded, so that the information on correct the Show Button.
In order to prevent, between button and push contact, relative motion occurs further, in the circumference of described Part I, interval is furnished with axially extended convex tendon, is coordinated between described button madial wall and convex tendon by axially extended detent and positioning convex strip.
The connection of reference column and button hole preferably adopts dismountable connected mode, installation and removal is all very convenient, one is preferred embodiment, the bottom of described first reference column is provided with radially outer engaging projection, the sidewall of described button hole offers and the slot engaging projection form fit, described engaging projection is provided with projection, and the madial wall of described slot is provided with draw-in groove that is corresponding and male cooperation.
In order to avoid the box body of switch sections gets loose after long-term use, the both sides of described switch sections are respectively equipped with the first outstanding mounting lug, the back side of described switch sections is provided with the rear top board of the metal of locating with switch sections, and the both sides of described rear top board are respectively equipped with the second mounting lug; Thus can when the mounting lug of switch sections damage, then top board still can keep fixing with the mounting object such as panel, thus maintained switch part can not get loose in initial installation site; And due to the effect of rear top board, can better apply during installation larger power with by securing member as screw etc. is tightened.
Fix to make the relative position of switch sections and rear top board, the switch module when the first mounting lug damages is avoided to depart from installation site, the back side of described switch sections is provided with the second reference column, rear top board is provided with location hole, and the first reference column and location hole coordinate switch sections and rear top board location.
In one embodiment of the invention, described first mounting lug offers the first installing hole, the described second corresponding position of mounting lug offers the second installing hole, thus, securing member can pass two installing holes, thus switch module is fixedly connected with panel.
In order to better by compressions such as the panels of switch sections and installation, even if the mounting lug of switch sections has damage, also can remain on panel, the mid portion indent of described rear top board, be adjacent to for accommodating at least part of switch sections, the first mounting lug and the second mounting lug be also adjacent to.
Compared with prior art, the invention has the advantages that:
1. anti-optical crosstalk seat is set between each group of light source, effectively eliminates the optical crosstalk phenomenon of each light source, button corresponding to each light source can be shown normally, avoid display mistake to cause erroneous judgement or misoperation;
2., by arranging indicator light, the running status of instruction household electrical appliance that can be real-time, so that user understands current state, judges next step operation;
3. adopt the material of printing opacity to make the reference column being used for button location, the light source of the bottom of button can be appeared, and top has the function informations such as pattern and can show normally;
4., when the push contact of button and push-button socket being installed, two locating convex blocks varied in size are set, the installation direction of push contact can be limited, thus prevent button anti-loaded;
5. be the mode that removably connects of clamping between reference column and push-button socket, for assembly and disassembly switch module all brings facility;
6. by setting up the metal rear top board at the box body back side at switch sections, can when the mounting lug of switch sections damages, then top board still can keep fixing with mounting objects such as panels, thus maintained switch part can not get loose in initial installation site; And due to the effect of rear top board, can better apply during installation larger power with by securing member as screw etc. is tightened;
7. reference column is set at the back side of the box body of switch sections, then top board arranges location hole, thus the position between switch sections and rear top board can be made relatively fixing, even if the mounting lug of switch sections damages, also roof movement after can not causing switch sections relatively, guarantees the invariant position of switch sections further.
Accompanying drawing explanation
Fig. 1 is the structural representation of push-Button switch assembly of the present invention;
Fig. 2 is the structural representation (reverse with Fig. 1) of push-Button switch assembly of the present invention;
Fig. 3 is the decomposition texture schematic diagram of push-Button switch assembly of the present invention;
Fig. 4 is the exploded structural representation of push-Button switch assembly of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
See Fig. 1 and Fig. 2, a kind of push-Button switch assembly for household electrical appliance, comprises switch module 1 and metal rear top board 2.
Switch module 1 comprises switch sections 11, and to be arranged in switch sections 11 and the button part 12 extended outward, the concrete structure of switch module 1 will be explained below.
Switch sections 11 comprises the box body for accommodating button part 12 of bottom 111 and push-button socket 112 formation, wherein, the both sides of push-button socket 112 are respectively equipped with on the first outstanding mounting lug 1127, first mounting lug 1127 and offer for securing member, as bolt, the first installing hole 1128 passed.
The rear top board 2 of metal is provided with at bottom 111 back side of switch sections 11, the shape of rear top board 2 and size and switch sections 11 adaptive, its both sides are respectively equipped with the second outstanding mounting lug 21, position corresponding with the first installing hole 1128 on second mounting lug 21 offers the second installing hole 211, passes for securing member.Alternative, the second installing hole 211 also can adopt the structure of draw-in groove, as long as can pass and its end of backstop for securing member.
The back side of the bottom 111 of switch sections 11 is provided with the second reference column 1111 that top board 2 is outstanding backward, corresponding position offers location hole 22 to rear top board 2, thus switch module 1 and rear top board 2 are by the cooperation of the second reference column 1111 and location hole 22 and the location realized between the two, and be convenient to the panel that switch module 1 is connected to electrical equipment together with rear top board 2, top board 2 displacement after can avoiding switch sections 11 relatively, when rear top board 2 is fixing, can remain that switch sections 11 is in initial installation site.
See Fig. 3 and Fig. 4, switch sections 11 comprises the push-button socket 112 for arranging button part 12, and push-button socket 112 and bottom 111 form a box body.
Button part 12 comprises button 121, can make with metal, is set in the first reference column 122 of button 121 periphery, can makes with the plastics of printing opacity.In an embodiment of the present invention, button 121 is 4, lines up two row for one group between two, is formed square, and the part between two row buttons 121 arranges the indicator light 13 of display electric operation state, and indicator light 13 is elongated.Alternative, the quantity of button 121 and arrangement mode all can change.
Button 121 and the first reference column 122 are all the cylindrical of hollow, so that in button 121 is located in, the front end of button 121 is exposed to the first reference column 122, during pressing button 121, button 121 does axial moving relative to the first reference column 122.The bottom of the first reference column 122 is provided with radially outer engaging projection, and engaging projection comprises first of the upper distribution of radial direction and engages projection 1221 and the second engaging projection 1222, first engaging projection 1221 and the second engaging projection 1222 all in the shape of fan ring.
Push-button socket 112 offers the button hole 1121 mated with the first reference column 122, the sidewall of button hole 1121 offers and the slot engaging projection form fit, slot also comprises the first slot 1122 and the second slot 1123, first slot 1122 engages the form fit of projection 1221 with first, the second slot 1123 engages the form fit of projection 1222 with second.Thus, when the first reference column 122 is inserted into above from the back side of push-button socket 112, when two engaging projections and slot correspondence must be snapped in, just can connect.First engaging projection 1221 and the second engaging projection 1222 are equipped with protruding 1223, the upper surface of protruding 1223 can be the arcwall face of inclination, the madial wall of the first slot 1122 and the second slot 1123 is provided with corresponding draw-in groove 1124, thus the first reference column 122 is when inserting, can to snap onto along the curved surfaces of protruding 1223 in draw-in groove 1124 thus the first reference column 122 and push-button socket 112 are fixed, the first reference column 122 all being carried out in axis and radial direction spacing.
Button part 12 also comprises push contact 123, push contact 123 comprises the Part I 1231 penetrated in button 121 and the Part II 1232 be positioned at outside bottom button 121, wherein, in the circumference of Part I 1231, interval is furnished with axially extended convex tendon 1233, thus when penetrating in button 121 can with button 121 close-fitting.See Fig. 4, button 121 madial wall can offer axially extended detent 1211, and the height of one of them convex tendon 1233 is greater than other convex tendons 1233 as positioning convex strip and coordinates with detent 1211, positioning convex strip and detent 1211 coordinate can by button 121 and push contact 123 radial location.The position of positioning convex strip and detent is also interchangeable, be arranged on the madial wall of button 121, and detent is arranged on convex tendon 1233 by positioning convex strip.
The Part II 1232 of push contact 123 is in the form of annular discs, size is identical with the first reference column 122, the circumference of Part II 1231 is interval with the first radially outward outstanding locating convex block 1234 and the second locating convex block 1235, the size of two locating convex blocks also can be different, the sidewall of button hole 1121 is provided with accordingly the first location notch 1125 and the second location notch 1126 coordinated with locating convex block, same, the size of two location notchs is also different, and staggers with the position of two slots.During installation, need the locating convex block of size coupling and location notch to coordinate, thus push contact 123 relative key seat 112 is located, and button 121 can be prevented anti-loaded.The bottom surface of Part II 1232 is provided with axially outstanding contact 1236.
Anti-optical crosstalk seat 113 and switching circuit plate 114 is provided with in the box body that push-button socket 112 and bottom 111 are formed, switching circuit plate 114 is supported in bottom 111, anti-optical crosstalk seat 113 adopts silica gel to make, the shape in indent, and switching circuit plate 114 is fixed in the part of anti-optical crosstalk seat 113 indent.
Anti-optical crosstalk seat 113 is separated to form multiple notch seat 1131 every light, the arrangement of notch seat 1131 is consistent with the arrangement of button 121, each notch seat 1131 surface is provided with the transparent or semitransparent transmittance section 1132 of mating with the Part II 1232 of push contact 123, the center of transmittance section 1132 offers perforation 1133, position corresponding with perforation 1133 on switching circuit plate 114 is provided with switch contact 1141, the peripheral circular of switch contact 1141 has been spaced multiple point-source of light 1142, and point-source of light 1142 correspondence is in the scope of transmittance section 1132.During installation, the contact 1236 of the Part II 1232 of push contact 123 is passed from perforation 1133, corresponding with the position of switch contact 1141, so that pressing operation, when button 121 is pressed, the part conducting of switching circuit plate 114 correspondence, electrical equipment operates accordingly, simultaneously corresponding point-source of light 1142 is lighted, can the information such as pattern on the Show Button 121.
The Part II 1232 of push contact 123 and transmittance section 1132 are located by two locating convex blocks realizations of Part II 1232, and shape, the first even mating plate 1134 of the same size can be set between Part II 1232 and transmittance section 1132, so that the light of diffusion, soft point-source of light 1142.Each group switch contact 1141 and around point-source of light 1142 be all positioned at the recess of notch seat 1131, thus the point-source of light 1142 of each group is isolated, and and the distance (bright dipping distance) between transmittance section 1132 is relative to the Distance Shortened with the first reference column 122, thus effectively avoid the mutual crosstalk of light that each group of adjacent point-source of light 1142 sends, impact shows normally.
The anti-shape of optical crosstalk seat 113 and the shape adaptation of box body, make the periphery close-fitting of anti-optical crosstalk seat 113 and push-button socket 112 and bottom 111, thus can play the effect of sealing after mounting, and anti-sealing, dust etc. enter into the normal use of impact in switch sections 11.
Indicator light 13 is arranged on push-button socket 112, comprises the indicator lamp holder 131 every light, arranges instruction light source 132, be connected by wire through push-button socket 112 with anti-optical crosstalk seat 113 with switching circuit plate 114 in it, and instruction light source 132 is coated with the second even mating plate 133.Indicator lamp holder 131 and anti-optical crosstalk seat 113 are separately positioned on the positive and negative two sides of push-button socket 112, and both fix by bolt etc.The top of indicator lamp holder 131 is provided with light guide plate 134, make further to indicate the light that sends of light source 132 evenly, soft.
Claims (13)
1. the push-Button switch assembly for household electrical appliance, comprise the button part (12) with multiple button (121) and the switch sections (11) being formed with box body, described switch sections (11) comprises the switching circuit plate (114) be arranged in box body, described switching circuit plate (114) is provided with the light source corresponding with button (121), it is characterized in that, described switch sections (11) also comprises anti-optical crosstalk seat (113), described anti-optical crosstalk seat (113) is separated to form the notch seat every light (1131) corresponding with light source, described light source is positioned at the recess of described notch seat (1131), each notch seat (1131) surface is provided with transmittance section (1132), the center of described transmittance section (1132) offers the perforation (1133) supplying the push contact (123) of button part (12) to pass, described switching circuit plate (114) is provided with the switch contact (1141) corresponding with push contact (123), described switch sections (11) also comprises the push-button socket (112) and bottom (111) that form described box body, first reference column (122) of printing opacity is arranged with, described first reference column (122) and being connected for the button hole (1121) arranging button (121) that the push-button socket (112) of switch is offered outside described button (121).
2. push-Button switch assembly as claimed in claim 1, is characterized in that, the described anti-periphery of optical crosstalk seat (113) and the periphery close-fitting of box body.
3. push-Button switch assembly as claimed in claim 1, it is characterized in that, described light source is the point-source of light (1142) of multiple circular array, and described transmittance section (1132) are provided with the first even mating plate (1134).
4. push-Button switch assembly as claimed in claim 1, is characterized in that, described push-button socket (112) is also provided with indicator light (13).
5. push-Button switch assembly as claimed in claim 4, it is characterized in that, described indicator light (13) comprises the indicator lamp holder (131) every light, be arranged on the instruction light source (132) be electrically connected with switching circuit plate (114) in indicator lamp holder (131), described instruction light source (132) is coated with the second even mating plate (133), the top of described indicator lamp holder (131) is provided with light guide plate (134).
6. push-Button switch assembly as claimed in claim 1, it is characterized in that, described push contact (123) comprises the Part I (1231) penetrated in button (12) and the Part II (1232) be positioned at outside button (121) bottom, described Part I (1231) and button (121) close-fitting, the circumference of described Part II (1232) is provided with radially outward outstanding locating convex block, the sidewall of described button hole (1121) is provided with accordingly the location notch with locating convex block.
7. push-Button switch assembly as claimed in claim 6, it is characterized in that, described locating convex block comprises spaced the first locating convex block (1234) of varying in size and the second locating convex block (1235), and described location notch comprises the first location notch (1125) and the second location notch (1126) that vary in size accordingly.
8. push-Button switch assembly as claimed in claim 6, it is characterized in that, in the circumference of described Part I (1231), interval is furnished with axially extended convex tendon (1233), is coordinated between described button (12) madial wall and convex tendon (1233) by axially extended detent (1211) and positioning convex strip.
9. push-Button switch assembly as claimed in claim 1, it is characterized in that, the bottom of described first reference column (122) is provided with radially outer engaging projection, the sidewall of described button hole (1121) offers and the slot engaging projection form fit, described engaging projection is provided with projection, and the madial wall of described slot is provided with draw-in groove that is corresponding and male cooperation.
10. push-Button switch assembly as claimed in any one of claims 1-9 wherein, the both sides of described switch sections (11) are respectively equipped with outstanding the first mounting lug (1127), the back side of described switch sections (11) is provided with the rear top board (2) of the metal of locating with switch sections (11), and the both sides of described rear top board (2) are respectively equipped with the second mounting lug (21).
11. push-Button switch assemblies as claimed in claim 10, it is characterized in that, the back side of described switch sections (11) is provided with the second reference column (1111), rear top board (2) is provided with location hole (22), and the first reference column (114) and location hole (22) coordinate switch sections (11) and rear top board (2) location.
12. push-Button switch assemblies as claimed in claim 10, it is characterized in that, described first mounting lug (1127) offers the first installing hole (1128), and corresponding position offers the second installing hole (211) to described second mounting lug (21).
13. push-Button switch assemblies as claimed in claim 10, it is characterized in that, the mid portion indent of described rear top board (2), be adjacent to for accommodating at least part of switch sections (11), the first mounting lug (1127) and the second mounting lug (21) be also adjacent to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626893.6A CN103700533B (en) | 2013-11-30 | 2013-11-30 | For the push-Button switch assembly of household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626893.6A CN103700533B (en) | 2013-11-30 | 2013-11-30 | For the push-Button switch assembly of household electrical appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103700533A CN103700533A (en) | 2014-04-02 |
| CN103700533B true CN103700533B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310626893.6A Active CN103700533B (en) | 2013-11-30 | 2013-11-30 | For the push-Button switch assembly of household electrical appliance |
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| Country | Link |
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| CN (1) | CN103700533B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204067119U (en) * | 2014-06-11 | 2014-12-31 | 东莞市凯华电子有限公司 | Ultrathin center illuminated keyboard switch |
| CN104579291A (en) * | 2015-01-07 | 2015-04-29 | 江苏华途数控科技有限公司 | Photoelectricity band switch |
| CN108098839B (en) * | 2018-02-06 | 2024-03-15 | 上海木爷机器人技术有限公司 | Robot with luminous element |
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| CN203300521U (en) * | 2013-06-28 | 2013-11-20 | 惠州市德赛西威汽车电子有限公司 | Novel button structure |
| CN203644616U (en) * | 2013-11-30 | 2014-06-11 | 宁波方太厨具有限公司 | Button switch assembly used for household electrical appliance |
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|---|---|---|---|---|
| CN2812259Y (en) * | 2005-07-01 | 2006-08-30 | 曾文 | A switch for oil smoke exhauster |
| US7439458B2 (en) * | 2006-08-25 | 2008-10-21 | Delphi Technologies, Inc. | Five-way directional push button on a rotary knob |
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| CN103700533A (en) | 2014-04-02 |
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