CN103295820B - Waterproof structure of button switch - Google Patents
Waterproof structure of button switch Download PDFInfo
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- CN103295820B CN103295820B CN201210055063.8A CN201210055063A CN103295820B CN 103295820 B CN103295820 B CN 103295820B CN 201210055063 A CN201210055063 A CN 201210055063A CN 103295820 B CN103295820 B CN 103295820B
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- conducting terminal
- sealing cover
- electric conduction
- axle sleeve
- button switch
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Abstract
The invention relates to a waterproof structure of a button switch. The waterproof structure comprises a base, an electrode set, an electric conduction elastic piece, a waterstop cover with the flexibility and a shaft sleeve. A guiding groove is formed in the top of the base. The electrode set is arranged on the bottom of the base, and is provided with a plurality of electric conduction terminals and a plurality of electrode pins, wherein the electric conduction terminals are arranged on the bottom of the guiding groove, and the electrode pins extend to the bottom of the base. The electric conduction elastic piece is movably arranged on the bottom of the guiding groove and strides the electric conduction terminals. The periphery of the waterstop cover is fixedly arranged on the bottom of the guiding groove, and the waterstop cover covers the electric conduction elastic piece and the electric conduction terminals, and prevents the outside moisture from permeating into the waterstop cover. The shaft sleeve is arranged inside the guiding sleeve in a sliding mode, is close to or separated from the electric conduction terminals through the guiding of the guiding groove, drives the electric conduction elastic piece to be contacted with or separated from the electric conduction terminals through the waterstop cover, and is used for switching on or switching off the electric conduction terminals. When the outside moisture or liquid permeates into the base along the guiding groove, and the outside moisture can be prevented from permeating into the waterstop cover through the waterstop cover, so that the purpose that the moisture cannot affect the electric conduction elastic piece and the electric conduction terminals is achieved, and then the service life of the button switch is prolonged.
Description
Technical field
The present invention relates to a kind of waterproof construction of push-button switch, particularly a kind of waterproof construction of light touch type push-button switch.
Background technology
Specification and the size kind of electronic switch are very various, range of application is also fairly widespread, and the electronic switch that general precision equipment, mini-plant or compact electric apparatus more often use, mostly be called touch-switch, sensitive switch or microswitch, due to suitable short and small and frivolous of the volume of this type of switch, therefore on the electronic equipment that can be applicable to limited space or only can arrange small-sized or microswitch or instrument, as industry application such as 3C electronic product or microcomputers.
Traditional touch-switch includes light touch type push-button switch, mainly be made up of a plastic base, a movable axis and a button, and in a storage tank of pedestal, an electrode group and an electroconductive elastic sheet are set, its manner of execution is contact button and electroconductive elastic sheet is touched in drive activity axial compression, electroconductive elastic sheet is caused to produce the positive and negative conducting terminal of distortion and contact electrode group, to reach the purposes opening and closing power supply.Base bottom is generally provided with multiple electrode pins of positive and negative conducting terminal, and this pedestal can be located on the circuit board of above-mentioned electronic equipment or instrument, and described electrode pin and circuit board surface circuit utilize tin cream to be welded to each other simultaneously.
But, due to the storage tank atmosphere opening to external world of the base-plates surface of traditional touch-switch, therefore the aqueous vapor in air or liquid easily enter in storage tank along movable axis, and affect described movable axis, start between electrode group and electroconductive elastic sheet, and easily cause electrode group and electroconductive elastic sheet to get rusty, cause touch-switch malfunction or damage.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of waterproof construction of push-button switch, to overcome in above-mentioned prior art, the direct atmosphere opening to external world in inside of tradition touch-switch, and make the aqueous vapor in air or liquid easily enter switch internal, cause the problems such as the bad or damage of switching manipulation, and then the durable useful life of lifting switch.
For reaching above-mentioned purpose, the invention provides a kind of waterproof construction of push-button switch, the waterproof construction of described push-button switch comprises:
One pedestal, a guide channel is formed on its top;
One electrode group, it is located at described base bottom, and described electrode group has multiple conducting terminals of the bottom land being positioned at described guide channel, and extends to multiple electrode pins of described base bottom;
One electroconductive elastic sheet, it is configured in described bottom land and is located on described conducting terminal;
The sealing cover of one tool flexibility, its periphery to be fixedly arranged on described bottom land and to cover described electroconductive elastic sheet and conducting terminal, and blocking outside moisture, to infiltrate described sealing cover inner; And
One axle sleeve, it is slidedly arranged in described guide channel, described axle sleeve by the guiding of guide channel inwall close to and depart from described conducting terminal, and drive electroconductive elastic sheet to paste touch by described sealing cover and depart from described conducting terminal, to connect and to cut off described conducting terminal.
Preferably, wherein said bottom land forms a bulge loop, and the groove that is positioned at described bulge loop, and described conducting terminal and electroconductive elastic sheet are positioned at groove, and described sealing cover covers at groove periphery.
Preferably, wherein said sealing cover peripheral base is formed with the annular groove of one embedding group of bulge loop.
Preferably, the bottom land of wherein said bulge loop periphery is equipped with multiple reference column, described sealing cover periphery is equipped with the location hole that the described reference column of multiple confession is inserted.
Preferably, buckle between wherein said sealing cover periphery and bottom land and be provided with a clasp, clasp periphery is equipped with the perforation that the described reference column of multiple confession is inserted.
Preferably, wherein said electroconductive elastic sheet top has an arc convex surface, described sealing cover is formed the salient point of a contact arc convex surface.
Preferably, wherein said guide channel bilateral inwall is formed with at least one end slot respectively, and described axle sleeve bilateral outer wall is formed with at least one hook part be slidedly arranged in end slot respectively, and described end slot forms the port of a corresponding hook part in base outer wall.
Preferably, one storage tank is formed on wherein said axle sleeve top, a light-emitting diode is provided with in storage tank, described axle sleeve bilateral is formed to the stroke groove that few is communicated with storage tank respectively, described light-emitting diode has multiple power pin, and described power pin extends to pedestal by stroke groove and is connected described electrode group.
Preferably, wherein said axle sleeve top sheathed covers the printing opacity button of storage tank.
Preferably, the fluorescent plate that covers light-emitting diode is provided with in the storage tank between wherein said printing opacity button and light-emitting diode.
The waterproof construction of push-button switch provided by the present invention, when extraneous aqueous vapor or liquid infiltrate base interior along guide channel, block outside moisture by sealing cover and infiltrate sealing cover inside, to reach the above-mentioned object preventing electroconductive elastic sheet described in moisture effects and conducting terminal, and then the durable useful life of lifting switch.
Accompanying drawing explanation
Fig. 1 is the stereogram of present pre-ferred embodiments;
Fig. 2 is the stereogram at another visual angle of Fig. 1;
Fig. 3 is the three-dimensional exploded view of Fig. 1;
Fig. 4 is the front view of Fig. 1;
Fig. 5 is the end view of Fig. 1;
Fig. 6 is the vertical view of Fig. 1;
Fig. 7 is the A-A sectional drawing of Fig. 6;
Fig. 8 is the partial enlargement cut-away view of Fig. 7;
Fig. 9 is the B-B sectional drawing of Fig. 6;
Figure 10 is the C-C sectional drawing of Fig. 6.
[main element symbol description]
Pedestal-1; Guide channel-10; Bottom land-11; Bulge loop-12; Groove-13; Reference column-14; End slot-15; Port-16; Ditch portion-17;
Electrode group-2; Conducting terminal-21; Positive conducting terminal-21a; Negative conducting terminal-21b; Groove portion-211; Electrode pin-22;
Electroconductive elastic sheet-3; Arc convex surface-31;
Sealing cover-4; Annular groove-41; Location hole-42; Salient point-43;
Axle sleeve-5; Hook part-51; Storage tank-52; Notch-53; Stroke groove-54; Inclined plane-55; Tread-56; Protuberance-57;
Clasp-6; Perforation-61;
Light-emitting diode-7; Power pin-71;
Printing opacity button-8; Location notch-81; Flange-82;
Fluorescent plate-9.
Embodiment
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawings only provides with reference to the use with explanation, is not used for being limited the present invention.
Refer to shown in Fig. 1, disclose the stereogram of present pre-ferred embodiments, and coordinate Fig. 2 to Figure 10 that the waterproof construction of push-button switch of the present invention is described, comprise sealing cover 4 and an axle sleeve 5 of pedestal 1, electrode group 2, electroconductive elastic sheet 3, tool flexibility; Wherein:
Pedestal 1 rectangular-blocklike, a rectangular guide channel 10 is formed on its top; Electrode group 2 can be arranged at bottom pedestal 1 with shoot mode in mould, there are multiple conducting terminals 21 of the bottom land 11 being positioned at guide channel 10, and extending to multiple electrode pins 22 of bilateral bottom pedestal 1, described conducting terminal 21 comprises at least one positive conducting terminal 21a and at least one negative conducting terminal 21b.
Without any space between bottom the bottom land 11 of guide channel 10 and pedestal 1, thus prevent outside moisture from infiltrating in guide channel 10.
The rounded convex arc-shape of electroconductive elastic sheet 3, its active configuration is at bottom land 11 and be located on described positive conducting terminal 21a, negative conducting terminal 21b; Sealing cover 4 is in the form of annular discs, and its periphery to be fixedly arranged on bottom land 11 and to cover described electroconductive elastic sheet 3 and positive conducting terminal 21a, negative conducting terminal 21b, and blocking outside moisture, to infiltrate sealing cover 4 inner.
Axle sleeve 5 is rectangular, its bottom is slidedly arranged in guide channel 10, and accept the guiding of guide channel 10 inwall and close to and depart from described positive conducting terminal 21a, negative conducting terminal 21b, and drive electroconductive elastic sheet 3 subsides to touch the described positive conducting terminal 21a of disengaging, negative conducting terminal 21b by sealing cover 4, to connect and to cut off described positive conducting terminal 21a, negative conducting terminal 21b; So, push-button switch can connect with external circuitry plate, in order to open and close power supply via the electrode pin 22 belonging to positive conducting terminal 21a, negative conducting terminal 21b.
In more concrete enforcement, the present invention also comprises:
Bottom land 11 central authorities of guide channel 10 form a bulge loop 12, and the groove 13 that is positioned at bulge loop 12, and described positive conducting terminal 21a, negative conducting terminal 21b are positioned at groove 13 with electroconductive elastic sheet 3, and sealing cover 4 covers at groove 13 periphery.
Sealing cover 4 can be made up of silica gel material, its peripheral base is formed with the annular groove 41 of one embedding group of this bulge loop 12, and guide channel 10 bottom land 11 of bulge loop 12 periphery is equipped with multiple reference column 14, sealing cover 4 periphery is equipped with the location hole 42 that multiple supply reference column 14 is inserted.
Buckle between described sealing cover 4 periphery and guide channel 10 bottom land 11 and be provided with a clasp 6, clasp 6 periphery is equipped with the perforation 61 that multiple supply reference column 14 is inserted, and make clasp 6 be sheathed on sealing cover 4 periphery, reference column 14 is through after the location hole 42 of sealing cover 4 and the perforation 61 of clasp 6, reference column 14 top is made to protrude from clasp 6 top, can by reference column 14 top riveting in clasp 6 top, with clasp described in strong fix 6 and sealing cover 4, can prevent clasp 6 from getting loose and promote the sealability of sealing cover 4.
Electroconductive elastic sheet 3 top is formed with an arc convex surface 31, and sealing cover 4 central authorities form one can the salient point 43 of contact arc convex surface 31.
Guide channel 10 bilateral inwall is formed with at least one end slot 15 respectively, axle sleeve 5 bilateral outer wall is formed with at least one hook part 51 that can be slidedly arranged in end slot 15 respectively, and make end slot 15 restrain axle sleeve 5 in guide channel 10 via hook part 51 to slide, and end slot 15 form a pair at pedestal 1 outer wall should the port 16 of hook part 51, when pedestal 1 internal structure repaired by needs, elongated objects can be taken and insert port 16 to push away tactile hook part 51, cause hook part 51 bending and depart from end slot 15, being beneficial to take out in axle sleeve 5 self-conductance approaching channel 10.
Axle sleeve 5 top is revealed in outside guide channel 10, and be positioned at pedestal 1 top, described axle sleeve 5 top can accept external force and from top to bottom press tactile, axle sleeve 5 is caused to move toward bottom land 11 direction, and a storage tank 52 is formed on axle sleeve 5 top, storage tank 52 forms a notch 53 at axle sleeve 5 top, and storage tank 52 inside is installed with a light-emitting diode 7.
Axle sleeve 5 bilateral is formed to the stroke groove 54 that few is communicated with storage tank 52 respectively, light-emitting diode 7 has multiple power pin 71, pedestal 1 bilateral outer wall the number such as to be formed with respectively in the ditch portion 17 of described power pin 71, some conducting terminals 21 extend in the ditch portion 17 of bilateral bottom pedestal 1, and conducting terminal 21 front end forms a U-lag portion 211 in ditch portion 17.
Described power pin 71 extends to the ditch portion 17 of pedestal 1 bilateral by stroke groove 54, and the embedding group of conducting terminal 21 being connected electrode group 2 in U-lag portion 211, and U-lag portion 211 can utilize instrument to press distortion and clamping power pin 71, and between groove portion 211 and power pin 71, fill tin cream, with the conducting terminal 21 of positioning luminous diode 7 with electrode group 2; So, light-emitting diode 7 can accept external circuitry plate and power via the electrode pin 22 belonging to conducting terminal 21, and opens and closes light-emitting diode 7.
Axle sleeve 5 top sheathed one can cover the printing opacity button 8 of storage tank 52, and be provided with a fluorescent plate 9 in storage tank 52 notch 53 between described printing opacity button 8 and light-emitting diode 7, fluorescent plate 9 can cover light-emitting diode 7, storage tank 52 inwall is formed with the inclined plane 55 of some linking notches 53 upward, and via described inclined plane 55 backstop and localize fluorescent plate 9.
The location notch 81 that axle sleeve 5 on one day direction is open is formed bottom printing opacity button 8, axle sleeve 5 top is placed in location notch 81, location notch 81 inwall is formed with some flanges 82, and axle sleeve 5 top exterior walls tilts towards pedestal 1 direction, and form the annular tread 56 that can accept flange 82 backstop, cause printing opacity button 8 to be positioned axle sleeve 5 top by described flange 82, tread 56.
Formed by said structure, when printing opacity button 8 top accept external force press tactile downwards time, axle sleeve 5 can be driven to move down, a protuberance 57 of axle sleeve 5 bottom center is caused to press down the salient point 43 of sealing cover 4, and the arc convex surface 31 of electroconductive elastic sheet 3, and order about the described positive conducting terminal 21a of electroconductive elastic sheet 3 torsional deformation contact, negative conducting terminal 21b, make described positive conducting terminal 21a, negative conducting terminal 21b mutual conduction, cause push-button switch to be short-circuit condition.
After the tactile described printing opacity button 8 of pressure disappears with the external force of axle sleeve 5, the elastic force of electroconductive elastic sheet 3 drives on described axle sleeve 5 and printing opacity button 8 via salient point 43 and protuberance 57 and moves reset, and cut off described positive conducting terminal 21a, negative conducting terminal 21b, cause push-button switch to be off state.
Period, light-emitting diode 7 can accept to power with electrode pin 22 via described conducting terminal 21 and emit beam, and the light of light-emitting diode 7 can be issued to the external world, the position of learning push-button switch to point out user and using state via described fluorescent plate 9 with printing opacity button 8.In addition, via the uniform light diffusion that the design of fluorescent plate 9 can make light-emitting diode 7 send.
It is worth mentioning that, when extraneous aqueous vapor or liquid along guide channel 10 notch at pedestal 1 top infiltrate pedestal 1 inner time, block outside moisture by sealing cover 4 and infiltrate sealing cover 4 inside, and prevent electroconductive elastic sheet 3 described in moisture effects, conducting terminal 21 and positive conducting terminal 21a, negative conducting terminal 21b, produce corrosion to avoid described electroconductive elastic sheet 3, conducting terminal 21 with positive conducting terminal 21a, negative conducting terminal 21b and affect switching operations.
Accordingly, electroconductive elastic sheet 3 conducting terminal 21 described in moisture effects and positive conducting terminal 21a, the object bearing conducting terminal 21b is prevented to reach above-mentioned, to overcome in above-mentioned prior art, the direct atmosphere opening to external world in inside of tradition touch-switch, and make the aqueous vapor in air or liquid easily enter switch internal, cause the problems such as the bad or damage of switching manipulation, and then the durable useful life of lifting switch.
The above, be only preferred embodiment of the present invention, and be not used to limit the present invention; All other does not depart from the patent of the present invention equivalence modification done of spirit or displacement etc., all should be contained in the protection range of patent of the present invention.
Claims (5)
1. a waterproof construction for push-button switch, is characterized in that, the waterproof construction of described push-button switch comprises:
One pedestal, a guide channel is formed on its top, and described guide channel bilateral inwall is formed with at least one end slot respectively;
One electrode group, it is located at described base bottom, and described electrode group has multiple conducting terminals of the bottom land being positioned at described guide channel, and extends to multiple electrode pins of described base bottom;
One electroconductive elastic sheet, it is configured in described bottom land and is located on described conducting terminal, and described bottom land forms a bulge loop, and the groove that is positioned at described bulge loop, described conducting terminal and electroconductive elastic sheet are positioned at groove, and the bottom land of described bulge loop periphery is equipped with multiple reference column;
The sealing cover of one tool flexibility, its periphery to be fixedly arranged on described bottom land and to cover described electroconductive elastic sheet and conducting terminal, and blocking outside moisture, to infiltrate described sealing cover inner, and described sealing cover covers at groove periphery, described sealing cover peripheral base is formed with the annular groove of one embedding group of bulge loop, and described sealing cover periphery is equipped with the location hole that the described reference column of multiple confession is inserted, buckle between described sealing cover periphery and described bottom land and be provided with a clasp, described clasp periphery is equipped with the perforation that the described reference column of multiple confession is inserted; And
One axle sleeve, it is slidedly arranged in described guide channel, described axle sleeve bilateral outer wall is formed with at least one hook part be slidedly arranged in end slot respectively, described end slot forms the port of a corresponding hook part in base outer wall, described axle sleeve by guide channel inwall guiding and close to and depart from described conducting terminal, and drive electroconductive elastic sheet subsides to touch the described conducting terminal of disengaging, to connect and to cut off described conducting terminal by described sealing cover.
2. the waterproof construction of push-button switch as claimed in claim 1, it is characterized in that, described electroconductive elastic sheet top has an arc convex surface, described sealing cover is formed the salient point of a contact arc convex surface.
3. the waterproof construction of push-button switch as claimed in claim 1, it is characterized in that, one storage tank is formed on described axle sleeve top, a light-emitting diode is provided with in storage tank, described axle sleeve bilateral is formed to the stroke groove that few is communicated with storage tank respectively, described light-emitting diode has multiple power pin, and described power pin extends to pedestal by stroke groove and is connected described electrode group.
4. the waterproof construction of push-button switch as claimed in claim 3, is characterized in that, described axle sleeve top sheathed covers the printing opacity button of storage tank.
5. the waterproof construction of push-button switch as claimed in claim 4, is characterized in that, be provided with the fluorescent plate that covers light-emitting diode in the storage tank between described printing opacity button and light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210055063.8A CN103295820B (en) | 2012-03-05 | 2012-03-05 | Waterproof structure of button switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210055063.8A CN103295820B (en) | 2012-03-05 | 2012-03-05 | Waterproof structure of button switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103295820A CN103295820A (en) | 2013-09-11 |
| CN103295820B true CN103295820B (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210055063.8A Active CN103295820B (en) | 2012-03-05 | 2012-03-05 | Waterproof structure of button switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103295820B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113593950A (en) * | 2021-08-02 | 2021-11-02 | 东莞市德崧电子有限公司 | Waterproof switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2503446B1 (en) * | 1981-04-02 | 1984-05-25 | Secme | MINIATURE SWITCH, PARTICULARLY FOR PRINTED CIRCUIT |
| DE3818562A1 (en) * | 1988-06-01 | 1989-12-07 | Swf Auto Electric Gmbh | Electrical push-button switch, especially for switching on a reversing light of a motor vehicle |
| JP3803496B2 (en) * | 1998-08-17 | 2006-08-02 | アルプス電気株式会社 | Push button switch |
| TWM342600U (en) * | 2008-04-28 | 2008-10-11 | jin-xiong Chu | Improved structure of push button switch |
| TWM407475U (en) * | 2011-01-14 | 2011-07-11 | jin-xiong Chu | Tap switch of belt lamp to block the splashing water |
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2012
- 2012-03-05 CN CN201210055063.8A patent/CN103295820B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103295820A (en) | 2013-09-11 |
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