CN217521878U - Novel shell structure waterproof touch switch - Google Patents
Novel shell structure waterproof touch switch Download PDFInfo
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- CN217521878U CN217521878U CN202220368129.8U CN202220368129U CN217521878U CN 217521878 U CN217521878 U CN 217521878U CN 202220368129 U CN202220368129 U CN 202220368129U CN 217521878 U CN217521878 U CN 217521878U
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Abstract
The utility model discloses a new shell structure is waterproof dabs switch, including casing, protecting film and metal shrapnel, metallic conductor one, metallic conductor two, button, integrated into one piece has bump one and bump two and contact one, contact two and circular raised platform contact in the casing. In this application, the effectual current touch switch casing bottom waterproof performance that has improved is not good, this touch switch structural design is reasonable simple, through the metal conductor after will improving and the integrative closed accommodation space recess that has formed that moulds plastics of casing, do not influence under the prerequisite that the shell fragment switched on, also provide the holding power for the shell fragment, this structural setting can realize that the inside accommodation space recess of casing is totally enclosed, it gets into in the casing accommodation space recess because of high temperature to have stopped too much scaling powder on the pad, metal conductor contact to metal shell fragment and casing inside has protected, this product waterproof performance has been promoted, reduce damaged probability, and the service life is prolonged.
Description
Technical Field
The utility model relates to an electronic switch technical field especially relates to new shell structure is waterproof dabs switch.
Background
The existing portable electronic products such as mobile phones, earphones, Bluetooth or tablets are provided with keys, such as a power key, a volume control key or a shutter key, and the like, wherein the keys are smaller in size, generally have a height not larger than 0.7mm, and have a length and a width of 2mm × 3mm, and the like, and are even smaller by 2.5 × 1.6. The smaller the size, the wider the application range.
The utility model with the application number of cn201920451237.x provides a micro switch (as shown in fig. 7), wherein four edge contacts 201 and a central contact 202 are arranged on a conductive part 200 of the micro switch, the four edge contacts 201 are abutted against a spring plate for supporting and conducting with the spring plate, and in order to avoid accidental conduction between the edge contacts 201 and the central contact 202, enough space 100A needs to be reserved between the adjacent edge contacts and the central contact 202, so that the volume of the tact switch cannot be reduced, and the application range of the tact switch is limited; meanwhile, due to the limitation of the volume requirement of the tact switch, the firmness of the shell 100 of the existing tact switch after being combined with the metal conductor is insufficient, and soldering flux is easy to enter after the shell is heated at a high temperature or the waterproof function is poor, so that the corresponding tact switch is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an: in order to solve the problems, a novel shell structure waterproof light touch switch is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel shell structure waterproof light-touch switch comprises a shell, a protective film, a metal elastic sheet, a first metal conductor, a second metal conductor and a button, wherein a first salient point, a second salient point, a first contact point, a second contact point and a circular raised platform contact are integrally formed in the shell, the structure of the first metal conductor and the second metal conductor is provided with a through hole and the local width of the second metal conductor is widened, a notch is backwards opened by the second metal conductor, the first metal conductor is provided with a sunken step, the three through holes are connected together by the slotted position of the first metal conductor, the first metal conductor and the second metal conductor which leak outside the bottom of the shell are sealed and encapsulated in glue, bosses are arranged in the shell, the first salient point, the second salient point and the first contact point on the first metal conductor are equal in height to the second contact point, the first salient point, the second salient point and the first contact point are located above the second contact point and the first contact point of the shell, a protective film is arranged above the metal elastic sheet, the cambered surface protruding from the center of the metal elastic sheet faces the protective film, the concave surface at the center of the metal elastic sheet faces the circular convex platform contact in the middle of the metal conductor II, and a button is arranged between the protective film and the metal elastic sheet to keep the protective film away from the surface of the metal elastic sheet.
Preferably, the metal elastic sheet comprises a metal elastic sheet I and a metal elastic sheet II.
Preferably, the protective film is provided with a groove for accommodating the button.
Preferably, the protective film is laser welded to secure the protective film over the front face of the housing.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
in this application, the effectual current switch casing bottom waterproof performance that dabs that has improved is not good, this dabs switch structure reasonable in design is simple, through the metal conductor after will improving and the integrative closed accommodation space recess that has formed of moulding plastics of casing, under the prerequisite that does not influence the shell fragment and switch on, also provide the holding power for the shell fragment, this structure setting can realize that the inside accommodation space recess of casing is totally sealed, it gets into in the casing accommodation space recess because of the high temperature to have stopped too much scaling powder on the pad, metal conductor contact to metal shell fragment and casing inside has protected, this product waterproof performance has been promoted, reduce damaged probability, and service life is prolonged.
Drawings
FIG. 1 is a schematic view of the split structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a metal conductor and a housing;
FIG. 4 is a schematic view of the back side of the metal conductor and the housing structure;
FIG. 5 is a schematic view of a metal conductor component;
fig. 6 is a schematic circuit diagram of the present invention;
fig. 7 is a schematic view of a conventional light touch switch housing and a metal conductor structure.
Illustration of the drawings:
1. a protective film; 2. a button; 3.1, a first metal elastic sheet; 3.2, a second metal elastic sheet; 4. a first metal conductor; 4.1, a contact I; 4.2, a second contact; 5. a second metal conductor; 5.1, circular raised platform contacts; 6. a plastic shell; 6.1, a first salient point; 6.2 and a second salient point.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
the new shell structure waterproof light-touch switch comprises a shell 6, a protective film 1, a metal elastic sheet 3, a metal conductor I4, a metal conductor II 5 and a button 2, wherein a convex point I6.1, a convex point II 6.2, a contact I4.1, a contact II 4.2 and a circular convex platform contact 5.1 are integrally formed in the shell 6, the structure of the metal conductor I4 and the metal conductor II 5 is increased by a through hole diameter and the local width of the metal conductor II 5 is widened, the combination degree between the shell 6 and the metal conductor I4 and the metal conductor 5 is enhanced, the tensile strength is enhanced, the strength of the metal conductor I4 and the metal conductor II 5 is increased by the metal conductor II 5, a notch is opened backwards, the metal conductor I4 is provided with a sunken step, a containing space groove in the shell 6 is sealed, the metal conductor I4 is connected together at the slotted position, the metal conductor I4 and the metal conductor II 5 which leak outside the bottom 6.3 of the shell are sealed and encapsulated in glue, the boss is arranged in the shell 6, the boss in the shell is used for thickening the plastic cement amount, the firmness of the metal conductor and the shell 6 is improved, the probability of damage is reduced due to structural change, the service life is prolonged, meanwhile, the waterproof performance of a round convex platform contact 5.1 between the first convex point 6.1 and the second convex point 6.2 and a contact point 4.1 on the first metal conductor 4 and a contact point 4.2 between the second metal conductor 5 are improved, the heights of the first convex point 6.1 and the second convex point 6.2 and the first contact 4.1 and the second contact 4.2 are equal, the metal elastic sheet 3 is positioned above the first convex point 6.1 and the second convex point 6.2 and the first contact 4.1 and the second contact 4.2 of the shell 6, the protective film 1 is arranged above the metal elastic sheet 3, the cambered surface which protrudes from the center of the metal elastic sheet 3 faces the protective film 1, the central concave surface of the metal elastic sheet 3 faces the round convex platform contact 5.1 which is arranged at the center of the second metal conductor 5, the central concave surface of the metal elastic sheet 3 is arranged between the protective film 1 and the metal elastic sheet 3, and the button 2 are arranged between the metal elastic sheet 3, and (3) putting the protective film 1 on the surface far away from the metal elastic sheet.
Specifically, as shown in fig. 2, the metal elastic sheet 3 includes a first metal elastic sheet 3.1 and a second metal elastic sheet 3.2, which can improve the pressing elasticity.
Specifically, as shown in fig. 1 and 3, the protective film 1 is provided with a groove for accommodating the button 2, so that the button 2 cannot move randomly, the structural connection is firm, and the stability is strong.
Specifically, as shown in fig. 1, the protection film 1 is laser-welded to fix the protection film 1 on the front surface of the case 6.
The protective film 1 is made of synthetic resin, and the surface of the protective film 1, which is in contact with the metal elastic sheet 3, is coated with a thermal fixing adhesive.
The first metal conductor 4 and the second metal conductor 5 are manufactured by adopting a hardware stamping technology and laser engraving, the first metal conductor 4 and the second metal conductor 5 are fixed in the plastic shell 6 through an injection molding process, the edge of the metal elastic sheet 3 abuts against a first salient point 6.1, a second salient point 6.2, a first metal conductor contact 4.1 and a second metal conductor contact 4.2 which are equal in height, the plastic salient point 6.1, the second salient point 6.2, the first contact 4.1 and the second contact 4.2 support the metal elastic sheet 3, and simultaneously the metal elastic sheet 3 and the first metal conductor 4 are communicated with the second contact 4.2 through the first contact 4.1 on the lower metal conductor, when the metal elastic sheet 3 is pressed, the center of the metal elastic sheet downwards abuts against a circular raised platform contact 5.1 in the middle of the second metal conductor 5, and then the first metal conductor 4 and the second metal conductor 5 are communicated through the metal elastic sheet 3.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. Waterproof switch that dabs of new shell structure, including casing (6), protecting film (1) and metal shrapnel (3), metallic conductor (4), metallic conductor two (5), button (2), its characterized in that: the shell (6) is internally and integrally provided with a convex point I (6.1), a convex point II (6.2), a contact I (4.1), a contact II (4.2) and a circular convex platform contact (5.1), the structure of the metal conductor I (4) and the metal conductor II (5) increases the through hole diameter and widens the local width of the metal conductor II (5), the notch is opened backwards by the metal conductor II (5), the metal conductor I (4) is provided with a sunken step, the three through holes are connected together at the notch position of the metal conductor I (4), the metal conductor I (4) and the metal conductor II (5) which leak out of the bottom (6.3) of the shell are both sealed and wrapped in the rubber, a convex platform is arranged in the shell (6), the convex point I (6.1), the convex point II (6.2), the contact I (4.1) on the metal conductor I (4), the contact II (4) and the circular convex platform contact (5.1) between the metal conductor II (5), the height of the first salient point (6.1), the second salient point (6.2), the first contact (4.1) and the second contact (4.2) is equal, the metal elastic sheet (3) is located above the first salient point (6.1) and the second salient point (6.2) of the shell (6) and above the first contact (4.1) and the second contact (4.2), a protective film (1) is arranged above the metal elastic sheet (3), the convex cambered surface at the center of the metal elastic sheet (3) faces the protective film (1), the concave surface at the center of the metal elastic sheet (3) faces a circular convex platform contact (5.1) in the middle of the second metal conductor (5), a button (2) is arranged between the protective film (1) and the metal elastic sheet (3), and the protective film (1) is far away from the surface of the metal elastic sheet.
2. The new housing structure waterproof tact switch of claim 1, characterized in that: the metal elastic sheet (3) comprises a first metal elastic sheet (3.1) and a second metal elastic sheet (3.2).
3. The new housing structure waterproof tact switch of claim 1, characterized in that: the protective film (1) is provided with a groove for accommodating the button (2).
4. The new housing structure waterproof tact switch of claim 1, characterized in that: the protective film (1) is welded and fixed above the front side of the shell (6) by laser welding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220368129.8U CN217521878U (en) | 2022-02-23 | 2022-02-23 | Novel shell structure waterproof touch switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220368129.8U CN217521878U (en) | 2022-02-23 | 2022-02-23 | Novel shell structure waterproof touch switch |
Publications (1)
Publication Number | Publication Date |
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CN217521878U true CN217521878U (en) | 2022-09-30 |
Family
ID=83370032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202220368129.8U Active CN217521878U (en) | 2022-02-23 | 2022-02-23 | Novel shell structure waterproof touch switch |
Country Status (1)
Country | Link |
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CN (1) | CN217521878U (en) |
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2022
- 2022-02-23 CN CN202220368129.8U patent/CN217521878U/en active Active
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