CN210467658U - High-touch membrane switch - Google Patents
High-touch membrane switch Download PDFInfo
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- CN210467658U CN210467658U CN201922063832.9U CN201922063832U CN210467658U CN 210467658 U CN210467658 U CN 210467658U CN 201922063832 U CN201922063832 U CN 201922063832U CN 210467658 U CN210467658 U CN 210467658U
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Abstract
The utility model belongs to the technical field of membrane switch, concretely relates to high sense of touch membrane switch, including the panel layer, first thread electricity is connected with first metal contact, insulating supporting shoe upper end is equipped with insulating dog, second thread electricity is connected with the metal block, the metal block is equipped with first mounting groove, first circuit is equipped with insulating installation piece, insulating installation piece is equipped with the second mounting groove, first mounting groove and second mounting groove are equipped with the metal shrapnel, the metal shrapnel includes the shell fragment body, shell fragment body one end assembly is in the first mounting groove, the shell fragment body other end is located between insulating dog and the first metal contact, the pressing sheet is located between insulating installation piece and the metal block, arc prepressing sheet one end and shell fragment body other end fixed connection, the arc prepressing sheet other end is installed in the second mounting groove, the panel layer is equipped with the briquetting; the utility model provides a high sense of touch membrane switch for promote membrane switch's sense of touch, so that the user knows that membrane switch is closed.
Description
Technical Field
The utility model belongs to the technical field of the membrane switch, concretely relates to high sense of touch membrane switch.
Background
The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel. Compared with the traditional silica gel switch, the membrane switch has the characteristics of rigorous structure, attractive appearance, long service life and the like, and is widely applied to the fields of electronic communication, electronic measuring instruments, industrial control, medical equipment, automobile industry, intelligent toys, household appliances and the like.
At present, some existing membrane switches are not obviously stressed and have poor touch feeling when being pressed, so that a user cannot clearly feel whether the switch is closed or not when pressing the membrane switch, and thus, the user can easily press the membrane switch repeatedly to finally cause operation errors. In view of the above problems, we propose a high-touch membrane switch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: it is intended to provide a high-tactile thin film switch for solving the problems in the background art.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
a high-touch thin-film switch comprises a panel layer, wherein a first circuit layer and a second circuit layer are sequentially arranged on the lower side of the panel layer, a first main line is arranged on one side of the upper end of the second circuit layer and is electrically connected with a first metal contact, an insulating supporting block is arranged on one side of the first metal contact, an insulating stop block is arranged at the upper end of the insulating supporting block and is positioned right above the first metal contact, a first through groove matched with the insulating stop block is formed in the first circuit layer, a second main line is arranged on the upper end of the first circuit layer and is positioned on the opposite side of the first metal contact, a metal block is electrically connected with the second main line, a first mounting groove is formed in the opposite side of the metal block and the first metal contact, an insulating mounting block fixedly connected with the first circuit layer is arranged between the metal block and the first metal contact, and a second mounting groove is formed in the opposite side of the insulating mounting block and the first metal contact, first mounting groove and second mounting groove are equipped with metal shrapnel, metal shrapnel includes shell fragment body, pressing piece, arc preforming and second metal contact, shell fragment body one end assembly is in first mounting groove, second metal contact sets up at shell fragment body other end downside, the shell fragment body other end is located between insulating dog and the first metal contact, the pressing piece is located between insulating installation piece and the metal block, arc preforming one end and shell fragment body other end fixed connection, the arc preforming other end is installed in the second mounting groove, be equipped with the isolation layer between panel layer and the first circuit layer, the isolation layer be equipped with metal shrapnel assorted rectangular channel, the panel layer is equipped with the briquetting, the briquetting is located directly over the pressing piece.
By adopting the technical scheme of the utility model, the arc-shaped prepressing piece jacks up the other end of the metal elastic piece in a natural state through the mutual matching of the metal elastic piece, the metal block, the first mounting groove, the insulating mounting block and the second mounting groove, so that the metal elastic piece is abutted against the insulating stop block; when the membrane switch is used, when a user presses the upper side of the pressing block, the pressing block presses the pressing sheet of the metal elastic sheet downwards, the pressing sheet transmits pressure to the arc-shaped prepressing sheet through two sides of the elastic sheet body, when the pressure of the user is greater than the elastic force of the arc-shaped prepressing sheet, the elastic sheet body drives the second metal contact to rapidly descend, so that the second metal contact is contacted with the first metal contact, the first metal contact and the metal block conduct the first main line and the second main line through the metal elastic sheet to form a loop, when the user cancels the pressure, the arc-shaped prepressing sheet rebounds to enable the metal elastic sheet to be abutted against the insulating stop block, and the first main line and the second main line are disconnected; through the mutual matching of the metal elastic sheet, the metal block, the first mounting groove, the insulating mounting block and the second mounting groove, a user can feel obvious pause and pause feeling when pressing down the pressing block, and the user can sense the closing of the membrane switch through the pause and pause feeling, so that the touch feeling of the membrane switch can be improved; the utility model provides a high sense of touch membrane switch for promote membrane switch's sense of touch, so that the user knows that membrane switch is closed.
Further limiting, the upper end of the pressing block is fixedly connected with a pressing key. With the structure, a user can press the pressing block conveniently.
Further limiting, the surface of the metal elastic sheet is provided with a silver coating. With the structure, the conductivity of the metal elastic sheet can be enhanced.
Further, the insulating mounting block, the insulating supporting block and the insulating stop block are made of PPSU resin. With the structure, the insulating mounting block, the insulating supporting block and the insulating stop block have high strength and good creep resistance.
Further, an insulating layer is arranged at the lower end of the second circuit layer. With this structure, the second circuit layer can be prevented from leaking electricity.
Compared with the prior art, the utility model has the following advantages:
1. through the mutual matching of the metal elastic sheet, the metal block, the first mounting groove, the insulating mounting block and the second mounting groove, a user can feel obvious pause and pause feeling when pressing down the pressing block, and the user can sense the closing of the membrane switch through the pause and pause feeling, so that the touch feeling of the membrane switch can be improved;
2. the silver coating is arranged on the surface of the metal elastic sheet, so that the conductivity of the metal elastic sheet can be enhanced;
3. the lower end of the second circuit layer is provided with an insulating layer, and the structure can prevent the second circuit layer from electric leakage.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
fig. 1 is a schematic structural diagram of an embodiment of a high-touch membrane switch according to the present invention;
fig. 2 is a schematic cross-sectional view illustrating a high-touch membrane switch according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
fig. 5 is a schematic cross-sectional view of a high-touch membrane switch according to an embodiment of the present invention.
The main element symbols are as follows:
the panel layer 1, the first circuit layer 2, the second circuit layer 21, the first main wire 22, the first metal contact 23, the insulating support block 24, the insulating stop 25, the first through groove 26, the second main wire 3, the metal block 31, the first mounting groove 311, the insulating mounting block 32, the second mounting groove 321, the metal elastic sheet 4, the elastic sheet body 41, the pressing sheet 42, the arc-shaped pre-pressing sheet 43, the second metal contact 44, the isolation layer 5, the rectangular groove 51, the pressing sheet 52, the pressing key 6 and the insulating layer 61.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-5, the utility model relates to a high touch thin film switch, which comprises a panel layer 1, a first circuit layer 2 and a second circuit layer 21 are sequentially arranged on the lower side of the panel layer 1, a first main line 22 is arranged on one side of the upper end of the second circuit layer 21, the first main line 22 is electrically connected with a first metal contact 23, an insulation support block 24 is arranged on one side of the first metal contact 23, an insulation stop block 25 is arranged on the upper end of the insulation support block 24, the insulation stop block 25 is positioned right above the first metal contact 23, the first circuit layer 2 is provided with a first through groove 26 matched with the insulation stop block 25, a second main line 3 is arranged on the upper end of the first circuit layer 2, the second main line 3 is positioned on the opposite side of the first metal contact 23, the second main line 3 is electrically connected with a metal block 31, a first installation groove 311 is arranged on the side of the metal block 31 opposite to the first metal contact 23, an insulation installation block 32 fixedly connected with the first circuit layer 2 is, a second mounting groove 321 is arranged on one side of the insulating mounting block 32 opposite to the first metal contact 23, a metal spring plate 4 is assembled on the first mounting groove 311 and the second mounting groove 321, the metal spring plate 4 comprises a spring plate body 41, a pressing sheet 42, an arc-shaped pre-pressing sheet 43 and a second metal contact 44, one end of the spring plate body 41 is assembled in the first mounting groove 311, the second metal contact 44 is arranged at the lower side of the other end of the spring plate body 41, the other end of the spring plate body 41 is positioned between the insulating stop block 25 and the first metal contact 23, the pressing sheet 42 is positioned between the insulating mounting block 32 and the metal block 31, one end of the arc-shaped pre-pressing sheet 43 is fixedly connected with the other end of the spring plate body 41, the other end of the arc-shaped pre-pressing sheet 43 is installed in the second mounting groove 321, an isolating layer 5 is arranged between the panel layer 1 and the first, the pressing block 52 is located right above the pressing piece 42.
By adopting the technical scheme of the utility model, through the mutual cooperation between the metal elastic sheet 4, the metal block 31, the first mounting groove 311, the insulating mounting block 32 and the second mounting groove 321, the arc-shaped pre-pressing sheet 43 jacks up the other end of the metal elastic sheet 4 in a natural state, so that the metal elastic sheet 4 is abutted against the insulating stop block 25; when the membrane switch is used, when a user presses the upper side of the pressing block 52, the pressing block 52 presses the pressing sheet 42 of the metal elastic sheet 4 downwards, the pressing sheet 42 transmits pressure to the arc-shaped prepressing sheet 43 through two sides of the elastic sheet body 41, when the pressure of the user is greater than the elastic force of the arc-shaped prepressing sheet 43, the elastic sheet body 41 drives the second metal contact 44 to descend rapidly, so that the second metal contact 44 is in contact with the first metal contact 23, the first metal contact 23 and the metal block 31 conduct the first main wire 22 and the second main wire 3 through the metal elastic sheet 4 to form a loop, when the pressure of the user is removed, the arc-shaped prepressing sheet 43 rebounds to enable the metal elastic sheet 4 to be abutted against the insulating stop block 25, and the first main wire 22 is disconnected from the second main; through the mutual matching of the metal elastic sheet 4, the metal block 31, the first mounting groove 311, the insulating mounting block 32 and the second mounting groove 321, a user can feel obvious pause and contusion when pressing the pressing block 52, and the user can sense the closing of the membrane switch through the pause and contusion, so that the touch feeling of the membrane switch can be improved; the utility model provides a high sense of touch membrane switch for promote membrane switch's sense of touch, so that the user knows that membrane switch is closed.
Preferably, the upper end of the pressing block 52 is fixedly connected with a pressing key 6. With this configuration, the user can press the pressing piece 52 easily. In fact, other configurations that facilitate user depression of the press block 52 are contemplated.
Preferably, the surface of the metal elastic sheet 4 is provided with a silver coating. With the structure, the conductivity of the metal elastic sheet 4 can be enhanced. In fact, other structures capable of enhancing the conductive performance of the metal dome 4 may be considered according to the circumstances.
Preferably, the insulating mounting block 32, the insulating support block 24 and the insulating stopper 25 are made of PPSU resin. With such a structure, the insulating mounting block 32, the insulating support block 24 and the insulating stopper 25 have high strength and good creep resistance. In fact, other structures that provide high strength and good creep resistance to the mounting blocks 32, the support blocks 24, and the insulation blocks 25 may be used depending on the circumstances.
Preferably, the second circuit layer 21 is provided with an insulating layer 61 at the lower end. With this structure, the second circuit layer 21 can be prevented from leaking electricity. Actually, other structures capable of preventing the second circuit layer 21 from leaking current may be used according to circumstances.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A high-tactile thin-film switch comprising a panel layer (1), characterized in that: a first circuit layer (2) and a second circuit layer (21) are sequentially arranged on the lower side of the panel layer (1), a first main line (22) is arranged on one side of the upper end of the second circuit layer (21), the first main line (22) is electrically connected with a first metal contact (23), an insulating supporting block (24) is arranged on one side of the first metal contact (23), an insulating stop block (25) is arranged on the upper end of the insulating supporting block (24), the insulating stop block (25) is positioned right above the first metal contact (23), the first circuit layer (2) is provided with a first through groove (26) matched with the insulating stop block (25), a second main line (3) is arranged on the upper end of the first circuit layer (2), the second main line (3) is positioned on the opposite side of the first metal contact (23), the second main line (3) is electrically connected with a metal block (31), a first mounting groove (311) is arranged on the opposite side of the metal block (31) and the first metal contact (23), an insulating mounting block (32) fixedly connected with the first circuit layer (2) is arranged between the metal block (31) and the first metal contact (23), a second mounting groove (321) is formed in one side, opposite to the first metal contact (23), of the insulating mounting block (32), a metal elastic sheet (4) is assembled in the first mounting groove (311) and the second mounting groove (321), the metal elastic sheet (4) comprises an elastic sheet body (41), a pressing sheet (42), an arc-shaped prepressing sheet (43) and a second metal contact (44), one end of the elastic sheet body (41) is assembled in the first mounting groove (311), the second metal contact (44) is arranged on the lower side of the other end of the elastic sheet body (41), the other end of the elastic sheet body (41) is positioned between the insulating block (25) and the first metal contact (23), and the pressing sheet (42) is positioned between the insulating mounting block (32) and the metal block (31), arc preforming (43) one end and shell fragment body (41) other end fixed connection, arc preforming (43) other end is installed in second mounting groove (321), be equipped with isolation layer (5) between panel layer (1) and first circuit layer (2), isolation layer (5) are equipped with rectangular channel (51) with metal shrapnel (4) assorted, panel layer (1) is equipped with briquetting (52), briquetting (52) are located directly over pressing piece (42).
2. A high tactile membrane switch according to claim 1, wherein: the upper end of the pressing block (52) is fixedly connected with a pressing key (6).
3. A high tactile membrane switch according to claim 1, wherein: and a silver coating is arranged on the surface of the metal elastic sheet (4).
4. A high tactile membrane switch according to claim 1, wherein: the insulation mounting block (32), the insulation supporting block (24) and the insulation stop block (25) are all made of PPSU resin.
5. A high tactile membrane switch according to claim 1, wherein: and an insulating layer (61) is arranged at the lower end of the second circuit layer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063832.9U CN210467658U (en) | 2019-11-26 | 2019-11-26 | High-touch membrane switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063832.9U CN210467658U (en) | 2019-11-26 | 2019-11-26 | High-touch membrane switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210467658U true CN210467658U (en) | 2020-05-05 |
Family
ID=70436953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922063832.9U Active CN210467658U (en) | 2019-11-26 | 2019-11-26 | High-touch membrane switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210467658U (en) |
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2019
- 2019-11-26 CN CN201922063832.9U patent/CN210467658U/en active Active
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