CN209880440U - Anti-corrosion tact switch - Google Patents
Anti-corrosion tact switch Download PDFInfo
- Publication number
- CN209880440U CN209880440U CN201920089311.8U CN201920089311U CN209880440U CN 209880440 U CN209880440 U CN 209880440U CN 201920089311 U CN201920089311 U CN 201920089311U CN 209880440 U CN209880440 U CN 209880440U
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- China
- Prior art keywords
- pin
- arc
- fixedly connected
- contact point
- cover plate
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- Expired - Fee Related
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 14
- 230000007797 corrosion Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000012634 fragment Substances 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 4
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 4
- 208000017740 grade III prostatic intraepithelial neoplasia Diseases 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The utility model belongs to the technical field of electronic components, especially, be an anticorrosion tact switch, including the base casing, the base casing is octagon structure, the surface symmetry fixedly connected with pin one, pin two, pin three and pin four outside the base casing, the base casing inner chamber bottom fixedly connected with contact point, the contact point bilateral symmetry is equipped with arc shell fragment spliced pole, arc shell fragment spliced pole bottom is perpendicular fixedly connected in base casing inner chamber bottom, fixedly connected with arc shell fragment between the arc shell fragment spliced pole, arc shell fragment arc bottom fixedly connected with contact block; through being equipped with middle apron at base housing inner chamber, make this kind of dab switch in the use, moisture and dust in the external environment that block that can be further have further improved dustproof and waterproof performance, avoided inside shell fragment, contact point and contact block to take place corrosion simultaneously, extension fixture's life.
Description
Technical Field
The utility model belongs to the technical field of electronic components, concretely relates to switch is dabbed in anticorrosion.
Background
The tact switch is an electronic switch, belonging to the class of electronic components, also called as a key switch, and is firstly applied to the switch operation direction to apply a switch function to be closed and switched on under the condition of meeting the operation force when being used in japan [ called as a sensitive switch ], and is switched off when the pressure is removed, the internal structure of the tact switch is switched on and off by the stress change of a metal elastic sheet, the tact switch has the advantages of small contact resistance load, accurate operation force error, diversified specifications and the like, and is widely applied to the aspects of electronic equipment, white household appliances and the like: the touch switch directly replaces large-scale equipment and high-load buttons of environmental conditions (elasticity/environmental temperature and humidity conditions with the pressure less than 2 times and electrical performance) by conductive rubber or metal dome switches, such as medical equipment, television remote controllers and the like.
The prior art has the following problems:
1. the existing light-touch switch does not carry out too much processing on the sealing performance, so that the corrosion phenomenon of an inner elastic sheet, a contact point and a contact block is caused by external environmental factors in the using process of the whole light-touch switch, and great trouble is caused in the using process of people;
2. the existing light touch switch can generate the phenomenon of color change and rustiness at the joint of the pin and the base when used in the environment with high temperature, high humidity and corrosive gas, thereby greatly shortening the service life of the whole light touch switch and being incapable of meeting the use requirements of people.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a switch is dabbed in anticorrosion has that the leakproofness is strong, and anticorrosive characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-corrosion tact switch comprises a base shell, wherein the base shell is of an octagonal structure, a first pin, a second pin, a third pin and a fourth pin are symmetrically and fixedly connected to the surface of the outer side of the base shell, a contact point is fixedly connected to the bottom of an inner cavity of the base shell, arc-shaped elastic sheet connecting columns are symmetrically arranged on two sides of the contact point, the bottoms of the arc-shaped elastic sheet connecting columns are vertically and fixedly connected to the bottom of the inner cavity of the base shell, arc-shaped elastic sheets are fixedly connected between the arc-shaped elastic sheet connecting columns, contact blocks are fixedly connected to the arc bottoms of the arc-shaped elastic sheets, an intermediate cover plate is arranged above the arc-shaped elastic sheets, fixed blocks are arranged at the bottoms of two ends of the intermediate cover plate, one side of each fixed block is fixedly connected to the side, the bottom of the button is fixedly connected with a pressure conduction block, the pressure conduction block penetrates through the middle cover plate, and the bottom of the connecting column is tightly attached to the arc-shaped elastic sheet.
Preferably, an annular indicator light is embedded on the top surface of the upper cover plate and electrically connected to the contact point.
Preferably, the connection parts of the first pin, the second pin, the third pin and the fourth pin and the outer side surface of the base shell are respectively provided with a sealing protection ring.
Preferably, the button is of a top arc structure, and the button is matched with the upper cover plate structure.
Preferably, a sealing strip is arranged at the joint of the upper cover plate and the base shell.
Preferably, the contact block is plated with a silver layer on the outer side surface of the contact point, and the contact block is positioned right above the contact point.
Preferably, the first pin is electrically connected with the second pin, the third pin is electrically connected with the fourth pin, and the electrical relationship between the first pin and the second pin and the electrical relationship between the third pin and the fourth pin are connected through a contact point.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through apron in the middle of being equipped with in base housing inner chamber, make this kind of dab switch in the use, moisture and dust in the external environment that blocks that can be further have further improved dustproof and waterproof performance, the fixed block that sets up has made things convenient for to support in the middle of the installation in addition and has lapped, and the sealing strip that sets up and the cooperation of middle apron use have guaranteed the leakproofness, avoided inside shell fragment, contact point and contact block to take place corrosion phenomenon, extension fixture's life simultaneously.
2. Through all being equipped with sealed guard circle in pin one, pin two, pin three, pin four and base casing outside surface junction, make this kind dabble the protection pin that switch can very big degree in the use, also can further prevent that external moisture from getting into inside dabbing the switch simultaneously.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic top view of the present invention;
FIG. 4 is a circuit diagram of the pin of the present invention;
in the figure: 1. a base housing; 2. a first pin; 3. a second pin; 4. a third pin; 5. a fourth pin; 6. a contact point; 7. an arc-shaped elastic piece connecting column; 8. an arc-shaped elastic sheet; 9. a contact block; 10. a middle cover plate; 11. a fixed block; 12. an upper cover plate; 13. a rubber press pad; 14. a button; 15. a pressure transmission block; 16. an annular indicator light; 17. sealing the protection ring; 18. a sealing strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: an anti-corrosion light-touch switch comprises a base shell 1, wherein the base shell 1 is of an octagonal structure, the outer surface of the base shell 1 is symmetrically and fixedly connected with a pin I2, a pin II 3, a pin III 4 and a pin IV 5, the bottom of the inner cavity of the base shell 1 is fixedly connected with a contact point 6, arc-shaped elastic sheet connecting columns 7 are symmetrically arranged on two sides of the contact point 6, the bottoms of the arc-shaped elastic sheet connecting columns 7 are vertically and fixedly connected with the bottom of the inner cavity of the base shell 1, arc-shaped elastic sheets 8 are fixedly connected between the arc-shaped elastic sheet connecting columns 7, contact blocks 9 are fixedly connected with the arc bottoms of the arc-shaped elastic sheets 8, an intermediate cover plate 10 is arranged above the arc-shaped elastic sheets 8, fixed blocks 11 are arranged at the bottoms of two ends of the intermediate cover plate 10, the inner cavity of the upper cover plate 12 is sleeved with a button 14, the bottom of the button 14 is fixedly connected with a pressure conduction block 15, the pressure conduction block 15 penetrates through the middle cover plate 10, and the bottom of the connecting column is tightly attached to the arc-shaped elastic sheet 8.
In this embodiment: the connection parts of the first pin 2, the second pin 3, the third pin 4 and the fourth pin 5 and the outer surface of the base shell 1 are all provided with the sealing protection ring 17, so that the light-touch switch can protect the pins to a great extent in the use process, while further preventing external moisture from entering the interior of the tact switch, when the user applies pressure to the button 14, the contact block 9 is connected with the contact point 6 by the pressure through the arc-shaped elastic sheet 8, at the moment, the tact switch is in a connection state, meanwhile, the annular indicator light 16 is electrically connected with the contact point 6, when the tact switch is in a connection state, the annular indicator light 16 is lighted, when the user releases the pressure, the contact block 9 is separated from the contact point 6, and the tact switch is in an off state, the ring-shaped indicator light 16 is extinguished, in the using process of the light touch switch, the middle cover plate 10 is arranged in the inner cavity of the base shell 1, and moisture and dust in the external environment can be further blocked.
Specifically, an annular indicator light 16 is embedded on the top surface of the upper cover plate 12, and the annular indicator light 16 is electrically connected to the contact point 6; the switch condition can be observed in real time through the indicator light in the use process of the light touch switch, and the use requirement is met.
Specifically, the joints of the first pin 2, the second pin 3, the third pin 4 and the fourth pin 5 with the outer side surface of the base shell 1 are provided with sealing protection rings 17; through all being equipped with sealed guard ring 17 at pin 2, pin two 3, pin three 4, pin four 5 and the 1 outside surface junction of base casing, make this kind dabs the protection pin that the switch can very big degree in the use, also can further prevent that external moisture from getting into inside dabbing the switch simultaneously.
Specifically, the button 14 is of an arc-shaped structure at the top, and the button 14 is structurally matched with the upper cover plate 12; the safety pressure can be conveniently transmitted to the button 14, and the use requirement is met.
Specifically, a sealing strip 18 is arranged at the joint of the upper cover plate 12 and the base shell 1; the sealing performance of the tact switch is further protected, and internal parts are prevented from being corroded by external environmental factors.
Specifically, the contact block 9 is plated with a silver layer on the outer side surface of the contact point 6, and the contact block 9 is positioned right above the contact point 6; further improving the conductivity and sensitivity and meeting the use requirement.
Specifically, the first pin 2 is electrically connected with the second pin 3, the third pin 4 is electrically connected with the fourth pin 5, and the electrical relationship between the first pin 2 and the second pin 3 and the electrical relationship between the third pin 4 and the fourth pin 5 are connected through the contact point 6; in the using process, the first pin 2 and the third pin 4 or the second pin 3 and the fourth pin 5 are welded on other using equipment, when a user applies pressure to the button 14, the contact block 9 is connected with the contact point 6 through the arc-shaped elastic sheet 8 by the pressure, the tact switch is in a connected state at the moment, when the user removes the pressure, the contact block 9 is separated from the contact point 6, and the tact switch is in a disconnected state at the moment.
The utility model discloses a theory of operation and use flow: firstly, welding a pin I2 and a pin III 4 or welding a pin II 3 and a pin IV 5 at the bottom of a base shell 1 on other using equipment, and arranging sealing protection rings 17 at the joints of the pin I2, the pin II 3, the pin III 4 and the pin IV 5 and the outer side surface of the base shell 1 to ensure that the light touch switch can protect the pins to a great extent in the using process and can further prevent external moisture from entering the interior of the light touch switch, when a user applies pressure on a button 14, the contact block 9 is connected with a contact point 6 through an arc-shaped elastic sheet 8, the light touch switch is in a connected state, meanwhile, an annular indicator lamp 16 is electrically connected with the contact point 6, when the light touch switch is in the connected state, the annular indicator lamp 16 is lightened, when the user removes the pressure, the contact block 9 is separated from the contact point 6, the light touch switch is in a disconnected state, and the annular indicator lamp 16 is extinguished, in this kind of dab switch use, apron 10 in the middle of 1 inner chamber of base casing is equipped with, and moisture and dust in the external environment that blocks that can be further have further improved dustproof and waterproof performance, avoided inside shell fragment, contact point 6 and contact piece 9 to take place corrosion simultaneously, extension fixture's life.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an anticorrosion dabs switch, includes base casing (1), base casing (1) is octagon structure, base casing (1) outside surface symmetry fixedly connected with pin one (2), pin two (3), pin three (4) and pin four (5), its characterized in that: the bottom of the inner cavity of the base shell (1) is fixedly connected with a contact point (6), arc-shaped elastic piece connecting columns (7) are symmetrically arranged on two sides of the contact point (6), the bottom of each arc-shaped elastic piece connecting column (7) is vertically and fixedly connected to the bottom of the inner cavity of the base shell (1), arc-shaped elastic pieces (8) are fixedly connected between the arc-shaped elastic piece connecting columns (7), contact blocks (9) are fixedly connected to the arc bottoms of the arc-shaped elastic pieces (8), a middle cover plate (10) is arranged above the arc-shaped elastic pieces (8), fixed blocks (11) are arranged at the bottoms of two ends of the middle cover plate (10), one sides of the fixed blocks (11) are fixedly connected to the side surface of the inner cavity of the base shell (1), an upper cover plate (12) is fixedly connected to the top of the base shell (1), a rubber pressing, the bottom of the button (14) is fixedly connected with a pressure conduction block (15), the pressure conduction block (15) penetrates through the middle cover plate (10), and the bottom of the connecting column is tightly attached to the arc-shaped elastic sheet (8).
2. The corrosion-resistant tact switch according to claim 1, characterized in that: and an annular indicator light (16) is embedded on the top surface of the upper cover plate (12), and the annular indicator light (16) is electrically connected to the contact point (6).
3. The corrosion-resistant tact switch according to claim 1, characterized in that: and sealing protection rings (17) are arranged at the joints of the first pin (2), the second pin (3), the third pin (4), the fourth pin (5) and the outer side surface of the base shell (1).
4. The corrosion-resistant tact switch according to claim 1, characterized in that: the button (14) is of a top arc-shaped structure, and the button (14) is matched with the upper cover plate (12) in structure.
5. The corrosion-resistant tact switch according to claim 1, characterized in that: and a sealing strip (18) is arranged at the joint of the upper cover plate (12) and the base shell (1).
6. The corrosion-resistant tact switch according to claim 1, characterized in that: the contact block (9) is plated with a silver layer on the outer side surface of the contact point (6), and the contact block (9) is located right above the contact point (6).
7. The corrosion-resistant tact switch according to claim 1, characterized in that: the first pin (2) is electrically connected with the second pin (3), the third pin (4) is electrically connected with the fourth pin (5), and the electrical relationship between the first pin (2) and the second pin (3) and the electrical relationship between the third pin (4) and the fourth pin (5) are connected through the contact point (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920089311.8U CN209880440U (en) | 2019-01-18 | 2019-01-18 | Anti-corrosion tact switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920089311.8U CN209880440U (en) | 2019-01-18 | 2019-01-18 | Anti-corrosion tact switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209880440U true CN209880440U (en) | 2019-12-31 |
Family
ID=68951249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920089311.8U Expired - Fee Related CN209880440U (en) | 2019-01-18 | 2019-01-18 | Anti-corrosion tact switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209880440U (en) |
-
2019
- 2019-01-18 CN CN201920089311.8U patent/CN209880440U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |