CN2211106Y - Fully-inclosed push-button structure - Google Patents
Fully-inclosed push-button structure Download PDFInfo
- Publication number
- CN2211106Y CN2211106Y CN 94243256 CN94243256U CN2211106Y CN 2211106 Y CN2211106 Y CN 2211106Y CN 94243256 CN94243256 CN 94243256 CN 94243256 U CN94243256 U CN 94243256U CN 2211106 Y CN2211106 Y CN 2211106Y
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- CN
- China
- Prior art keywords
- base
- sheet
- copper sheet
- press
- button
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a fully-inclosed push-button structure, which is composed of a casing, a switch assembly, a sounding sheet, a jumpering guide sheet, a spring, a button, etc., wherein, a group of the switch assembly, which can be conducted through pushing, pressing and touching, is embedded inside a base which is provided with blocking plates at the outer side of each notch; an elongated support plate is arranged at the inner side of two notches thereof; the front and the rear surfaces of a cover is provided with a plate edge at the point of the elongated support plate corresponding to the base; the cover is fastened with the base, the plate edge of the cover is attached on the elongated support plate of the base, and an adhesive area is formed at the periphery edge of each notch on the base; waterproof insulation paste is injected into the adhesive area to make the casing 1 reach a totally-enclosed state.
Description
The utility model relates to the structure of button, refers to that especially a kind of switch motion is accurate, during the welding lead pin, can prevent that scaling powder from flowing into the press-key structure of the total closed type in the housing.
In the known technology, as Fig. 4,5, key switch is fastened mutually by last lower house 81,82 forms housing, the ccontaining body 83 of pressing in the housing, spring 84, jumper connection guide card 85, switching member 86 constitutes; Wherein switching member 86 is by a conducting reed 861, one conductive reeds 862 be combined intos; Conductive reed 862 is " mountain " word shape greatly, two breach 8622 are arranged therebetween, one side is provided with one and connects pin 8621, conducting reed 861 is " m " word shape, be provided with one at its another side and connect pin 8611, center bottom forward upwards complications be extended with one and have the conducting strip 8612 that elasticity is little " mountain " shape, it on two lateral plates bend forward and two breach 8622 on conductive reed 862 corresponding.
Inside one side of lower house 82 is provided with one both sides and is the big clip slot 821 that open shape has opening 8211, embeds for jumper connection guide card 85; Opposite side is provided with two roads clip slot 822 side by side, 823, and in clip slot 822, respectively establish an opening 8221 on 823 the corresponding sides, 8231 and exterior, pass for the pin 8611 that connects that connects on pin 8621 and the conducting reed 861 on the conductive reed 862, the center guide card of conducting strip 8612 and the central guide card of conductive reed 862 are touched, protrude out by two breach 8622 of conductive reed 862 and be bending two lateral plates forward.
The inside center place of lower house 82 establishes a hollow loop bar 824, is with spring 84 on it, and these spring 84 1 distal process stretch to; Periphery in lower house 82 is provided with the triangle convex 825 of squint from top to bottom, and dual-side is provided with big small baffle 826,827.
Two lateral plate places by the corresponding conducting strip 8612 in the front end root edge both sides of body 83 are provided with protruding grain 833, dual-side root edge by body 83 has a flange 832 respectively, a projection 831 is established in its bottom, be set on the spring 84, two lateral plates that two protruding grains 833 by body 83 pushed away just touch conducting strip 8612 backward, make the center guide card of conducting strip 8612 leave the central guide card of conductive reed 862, make switching member 86 be off-position at ordinary times.
When wanting to make switching member 86 be "on" position, it is downward to push body 83, make two lateral plates of the conducting strip 8612 on the conducting reed 861 remove protruding grain 833, and borrow its elasticity that two lateral plates are upheld forward by two breach 8622 on the conductive reed 862, the center guide card then conducting that contacts with central guide card on the conductive reed 862 simultaneously.Not the time spent, constantly resist the elasticity of conducting reed to press body 83 again, stop its conducting, can't work with regard to being easy to cause conducting strip generation elastic fatigue like this, so that lose the function of switch; In addition press-key structure connect pin in when welding, flux easily infiltrates in the housing along connecting pin, destroys the function of contact, causes the thing of short circuit to take place.
The purpose of this utility model is to provide a kind of press-key structure of total closed type, makes its switch motion accurate, long service life, have splendid waterproof, insulation function is when connecting the pin welding, can prevent that scaling powder from flowing in the housing, breaks down to avoid system.
The purpose of this utility model is achieved in that a kind of press-key structure of total closed type, include housing 1, switches set body 2, ring sheet 3, jumper connection guide card 4, spring 5 and button 6 constitute, its middle shell 1 fastens a cover cap 12 by a base 11 and forms in the upper surface, inside one side of this base 11 is provided with two roads clip slot 111 side by side, 112, be embedded with one group therebetween and can touch the switches set body 2 of conducting through pushing, it is characterized in that: switches set body 2 by conductive copper sheet 21 with press copper sheet 22 and cooperate and form, one side of conductive copper sheet 21 is provided with one and extends the downward pin 211 that connects, a pair ofly be upturned again and be the flexible sheet 222 that presses of " mountain " word shape tool downward being provided with of tool transverse part mediad by the fixedly copper sheet 221 that is " Jiong " shape and press copper sheet 22 toward interior complications, these two lateral plates that press sheet 222 protrude out forward, and the conducting strip of central authorities then is positioned at the fixedly bottom of copper sheet 221 transverse parts toward inner bending, this fixedly the opposite side of copper sheet 221 be provided with downward extension connect pin 223;
The side in addition of base 11 is provided with a clip groove 113, and the other big clip slot 114 that is provided with a both sides tool notch in its outside, can be embedded respectively and ring sheet 3 and jumper connection guide card 4; The central authorities of this base have a sleeve pipe 115, can be inserted in spring 5, are arranged with button 6 on this spring 5; Base 11 is provided with baffle plate 117 in the outer side edges of each notch, and two notch inboards are provided with a microscler board 118 therein; The front-back of cover cap 12 has a plate edge at the microscler board place corresponding to base 11; When cover cap 12 fastened with base 12, its plate edge 123 of cover cap was fitted on the microscler board 118 of base, makes each notch periphery of base form an adhesive area, injected waterproof insulation glue in adhesive area, made housing 1 reach the totally-enclosed state.
Advantage of the present utility model is: when cover cap and base fastening, its plate edge will be fitted on the microscler board of base, and the baffle plate that is positioned at two notch lateral surfaces with base one side respectively constitutes an adhesive area, to inject insulative water-proof glue, makes housing reach air-tight state, when welding respectively connects pin, can prevent that scaling powder from flowing in the housing, avoids system to break down, in addition when pushing body, flexible, as can to improve conducting strip useful life.
Concrete structure of the present utility model further specifies by following examples and accompanying drawing thereof:
Fig. 1, be three-dimensional exploded view of the present utility model
Fig. 2, be combination section of the present utility model action schematic diagram
Fig. 3, go up the adhesive area schematic diagram that lower house is formed for of the present utility model
Fig. 4, be the exploded view of prior art
Fig. 5, be the switch motion schematic diagram of prior art
Referring to Fig. 1-3, a kind of press-key structure of total closed type, include housing 1, switches set body 2, ring sheet 3, jumper connection guide card 4, spring 5 and button 6 constitute, its middle shell 1 fastens a cover cap 12 by a base 11 and forms in the upper surface, inside one side of this base 11 is provided with two roads clip slot 111 side by side, 112, be embedded with one group therebetween and can touch the switches set body 2 of conducting through pushing, it is characterized in that: switches set body 2 by conductive copper sheet 21 with press copper sheet 22 and cooperate and form, one side of conductive copper sheet 21 is provided with one and extends the downward pin 211 that connects, and is provided with a pair of being upturned again toward interior complications and is the flexible sheet 222 that presses of " mountain " word shape tool in that tool transverse part mediad is downward by the fixedly copper sheet 221 that is " Jiong " shape and press copper sheet 22, and these two lateral plates that press sheet 222 protrude out forward, the conducting strip of central authorities then is positioned at the fixedly bottom of copper sheet 221 transverse parts toward inner bending, this fixedly the opposite side of copper sheet 221 be provided with downward extension connect pin 223;
The side in addition of base 11 is provided with a clip groove 113, and the other big clip slot 114 that is provided with a both sides tool notch in its outside, can be embedded respectively and ring sheet 3 and jumper connection guide card 4; The central authorities of this base have a sleeve pipe 115, can be inserted in spring 5, are arranged with button 6 on this spring 5; Base 11 is provided with baffle plate 117 in the outer side edges of each notch, and two notch inboards are provided with a microscler board 118 therein; The front-back of cover cap 12 has a plate edge at the microscler board place corresponding to base 11; When cover cap 12 fastened with base 12, its plate edge 123 of cover cap was fitted on the microscler board 118 of base, makes each notch periphery of base form an adhesive area, injected waterproof insulation glue in adhesive area, made housing 1 reach the totally-enclosed state.Conductive copper sheet 21 is embedded in two roads of base 11 side by side 111,112 of clip slots respectively with pressing copper sheet 22, and the pin 211,223 that connects on it passes two notches of clip slot 111,112 side by side respectively.
Lateral surface at base 11 is provided with the binding block 116 of squint from top to bottom respectively on both sides in addition; The central authorities of cover cap 12 offer a perforate 121, and periphery cooperates the binding block 116 of base 11 to be provided with engaging block 122, borrow this engaging block 122 that cover cap 12 and base 11 are interlocked.Collude shape under sound sheet 3 is, its upper end has elasticity, and the bottom is inserted solid in the clip groove 113 of base 11, and the hook part, upper end is given prominence on clip groove 113.
Jumper connection guide card 4 has extended in bottom, its two ends and to have connected pin 41, and jumper connection guide card 4 is inserted solid in big clip slot 114, and makes two to connect pin 41 and passed by the notch of big clip slot 114.
Referring to Fig. 2, when pressing button 6 down, when making spring 5 be contraction-like, wherein two raised lines 61 on the button 6 bottom side edge will be distinguished ejection and ring sheet 3, it is sounded, and what compressing pressed copper sheet 22 simultaneously presses sheet 222 backward, and the conducting strip on it then touches conductive copper sheet 21 and conducts electricity; When loosening button 6, borrow the recovery elastic force of spring 5, and up upspring, make the conducting strip that presses sheet 222 leave conductive copper sheet 21, and recover off state.
Above novel structure in the useful life that can improve the total closed type button, can prevent that scaling powder from flowing in the housing, guarantees the safety of system.
Claims (3)
1, a kind of press-key structure of total closed type, include housing (1), switches set body (2), ring sheet (3), jumper connection guide card (4), spring (5) and button (6) constitute, its middle shell (1) fastens a cover cap (12) by a base (11) and forms in the upper surface, inside one side of this base (11) is provided with two roads clip slot (111) side by side, (112), be embedded with one group therebetween and can touch the switches set body (2) of conducting through pushing, it is characterized in that: switches set body (2) by conductive copper sheet (21) with press copper sheet (22) and cooperate and form, one side of conductive copper sheet (21) is provided with one and extends the downward pin (211) that connects, a pair ofly be upturned again and be the flexible sheet (222) that presses of " mountain " word shape tool downward being provided with of tool transverse part mediad by the fixedly copper sheet (221) that is " ㄇ " shape and press copper sheet (22) toward interior complications, these two lateral plates that press sheet (222) protrude out forward, the conducting strip of central authorities then is positioned at the fixedly bottom of copper sheet (221) transverse part toward inner bending, this fixedly the opposite side of copper sheet (221) be provided with downward extension connect pin (223); The side in addition of base (11) is provided with a little clip slot (113), and the other big clip slot (114) that is provided with a both sides tool notch in its outside, can be embedded respectively and ring sheet (3) and jumper connection guide card (4); The central authorities of this base have a sleeve pipe (115), can be inserted in spring (5), are arranged with button (6) on this spring (5); Base (11) is provided with baffle plate (117) in the outer side edges of each notch, and two notch inboards are provided with a microscler board (118) therein; The front-back of cover cap (12) has a plate edge at the microscler board place corresponding to base (11); Fasten at cover cap (12) and base (12), its plate edge (123) of cover cap is fitted on the microscler board (118) of base, makes each notch periphery of base form an adhesive area, injects waterproof insulation glue in adhesive area, makes housing (1) reach the totally-enclosed state.
2, the press-key structure of total closed type according to claim 1 is characterized in that: collude shape under sound sheet (3) is, its upper end has elasticity, and the bottom is solid in the little clip slot (113) of base (11), and give prominence on little clip slot (113) hook part, upper end.
3, the press-key structure of total closed type according to claim 1 is characterized in that: button (6) is arranged on the spring (5), and each face of this button (6) has raised line (61) at the bottom side edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94243256 CN2211106Y (en) | 1994-10-24 | 1994-10-24 | Fully-inclosed push-button structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94243256 CN2211106Y (en) | 1994-10-24 | 1994-10-24 | Fully-inclosed push-button structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2211106Y true CN2211106Y (en) | 1995-10-25 |
Family
ID=33849661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94243256 Expired - Fee Related CN2211106Y (en) | 1994-10-24 | 1994-10-24 | Fully-inclosed push-button structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2211106Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118718A (en) * | 2015-09-29 | 2015-12-02 | 东莞市铭冠电子科技有限公司 | Dust removal key |
-
1994
- 1994-10-24 CN CN 94243256 patent/CN2211106Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118718A (en) * | 2015-09-29 | 2015-12-02 | 东莞市铭冠电子科技有限公司 | Dust removal key |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |