CN212209309U - Spring sheet type membrane switch - Google Patents
Spring sheet type membrane switch Download PDFInfo
- Publication number
- CN212209309U CN212209309U CN202020980719.7U CN202020980719U CN212209309U CN 212209309 U CN212209309 U CN 212209309U CN 202020980719 U CN202020980719 U CN 202020980719U CN 212209309 U CN212209309 U CN 212209309U
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- Prior art keywords
- fixedly connected
- layer
- metal
- membrane switch
- circuit layer
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- Expired - Fee Related
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- 239000012528 membrane Substances 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 46
- 239000012634 fragment Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract 2
- 238000002955 isolation Methods 0.000 abstract 2
- 230000033001 locomotion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model relates to a membrane switch technical field just discloses a shell fragment formula membrane switch, including the switch body, the switch body includes panel layer and bottom, the upper end fixedly connected with of panel layer presses the key, the lower extreme fixedly connected with first insulation layer of panel layer, the lower extreme fixedly connected with isolation layer on first insulation layer, the lower extreme fixedly connected with metal point contact piece of isolation layer, the upper end fixedly connected with second insulating layer of bottom, the upper end fixedly connected with circuit layer of second insulating layer, two fixed blocks of upper end fixedly connected with on circuit layer, the upper end fixedly connected with on circuit layer is located the contact piece between two fixed blocks, the upper end fixedly connected with limiting plate on circuit layer, equal fixedly connected with slide bar between two limiting plates and the fixed block. The utility model discloses, improved the effect that recovers of equipment metal shrapnel, reduced the condition that metal shrapnel does not kick-back, made things convenient for people to use.
Description
Technical Field
The utility model relates to a membrane switch technical field especially relates to a shell fragment formula membrane switch.
Background
The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel, and consists of four parts, namely a panel, an upper circuit, an isolating layer and a lower circuit, when the membrane switch is pressed down, a contact of the upper circuit deforms downwards and is in contact conduction with a polar plate of the lower circuit, after a finger loosens, the contact of the upper circuit rebounds, the circuit is disconnected, a signal is triggered by a loop, and the membrane switch is rigorous in structure, attractive in appearance and good in sealing performance. The waterproof material has the characteristics of moisture resistance, long service life and the like, and is widely applied to the fields of electronic communication and electronic measurement instruments, industrial control, medical equipment, automobile industry, intelligent toys, household appliances and the like.
The spring leaf is adopted to kick-back often for current shell fragment formula membrane switch, and after repetitious usage, the resilience effect of spring leaf often can descend, can appear not the condition of kick-backing in continuous pressing, leads to equipment unable use, and inconvenient people use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the shell fragment does not kick-back easily after pressing many times among the prior art, and the shell fragment formula membrane switch who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a spring piece type membrane switch comprises a switch body, wherein the switch body comprises a panel layer and a bottom layer, the upper end of the panel layer is fixedly connected with a pressing key, the lower end of the panel layer is fixedly connected with a first insulating layer, the lower end of the first insulating layer is fixedly connected with an isolating layer, the lower end of the isolating layer is fixedly connected with a metal point contact piece, the upper end of the bottom layer is fixedly connected with a second insulating layer, the upper end of the second insulating layer is fixedly connected with a circuit layer, the upper end of the circuit layer is fixedly connected with two fixed blocks, the upper end of the circuit layer is fixedly connected with a contact block positioned between the two fixed blocks, the upper end fixedly connected with limiting plate of circuit layer, two equal fixedly connected with slide bar between limiting plate and the fixed block, two equal sliding connection has the slider outside the pole wall of slide bar, two the upper end fixedly connected with metal shrapnel of slider.
Preferably, springs sleeved outside the sliding rod are fixedly connected between the two sliding blocks and the fixed block.
Preferably, the metal contact pad is downwardly convex.
Preferably, the upper end of the metal elastic sheet is provided with a groove matched with the top end of the metal point contact sheet.
Preferably, the centers of the pressing key, the metal point contact piece, the metal elastic piece and the contact block are all positioned on the same vertical line.
Compared with the prior art, the utility model provides a shell fragment formula membrane switch possesses following beneficial effect:
this shell fragment formula membrane switch, press the key through being equipped with, the metal point contact piece, the fixed block, the contact piece, the limiting plate, the slide bar, the slider, metal shrapnel, spring and recess, when equipment uses, press the key earlier, press the metal point contact piece, and then press the metal point contact piece downwards and contact metal shrapnel, make metal shrapnel downwarping, make two sliders move to fixed block one side, press the contact piece, press the completion back again, two springs push two sliders to the outside extrusion promotion to contact piece one side motion, make metal shrapnel recover, the effect of recovering of equipment metal shrapnel has been improved, the condition that metal shrapnel does not kick-back has been reduced, people's use has been made things convenient for.
And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, improved equipment metal shrapnel's the effect that recovers, reduced the condition that metal shrapnel does not kick-back, made things convenient for people to use.
Drawings
Fig. 1 is a schematic structural diagram of a leaf spring type membrane switch provided by the present invention;
fig. 2 is a schematic structural diagram of a part a of the elastic sheet type membrane switch according to the present invention.
In the figure: the switch comprises a switch body 1, a panel layer 2, a bottom layer 3, a press key 4, a first insulating layer 5, an isolating layer 6, a metal point contact piece 7, a second insulating layer 8, a line layer 9, a fixed block 10, a contact block 11, a limiting plate 12, a sliding rod 13, a sliding block 14, a metal elastic sheet 15, a spring 16 and a groove 17.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a leaf spring type membrane switch comprises a switch body 1, the switch body 1 comprises a panel layer 2 and a bottom layer 3, the upper end of the panel layer 2 is fixedly connected with a press key 4, the lower end of the panel layer 2 is fixedly connected with a first insulating layer 5, the lower end of the first insulating layer 5 is fixedly connected with an isolating layer 6, the lower end of the isolating layer 6 is fixedly connected with a metal point contact 7, the upper end of the bottom layer 3 is fixedly connected with a second insulating layer 8, the upper end of the second insulating layer 8 is fixedly connected with a circuit layer 9, the upper end of the circuit layer 9 is fixedly connected with two fixed blocks 10, the upper end of the circuit layer 9 is fixedly connected with a contact block 11 positioned between the two fixed blocks 10, the upper end of the circuit layer 9 is fixedly connected with a limit plate 12, slide bars 13 are fixedly connected between the two limit plates, the upper ends of the two sliders 14 are fixedly connected with metal elastic sheets 15.
And springs 16 sleeved outside the sliding rods 13 are fixedly connected between the two sliding blocks 14 and the fixed block 10, and can assist the metal elastic sheets 15 to rebound.
The metal point contact piece 7 protrudes downwards, so that the metal elastic piece 15 can be pressed conveniently.
The upper end of the metal elastic sheet 15 is provided with a groove 17 matched with the top end of the metal point contact sheet 7, so that the contact block 11 can be conveniently pressed.
The centers of the pressing key 4, the metal point contact piece 7, the metal elastic piece 15 and the contact block 11 are all positioned on the same vertical line, so that the pressing key 4 can be ensured to be accurately abutted to the contact block 11.
The utility model discloses in, during the use, when the equipment uses, press down earlier and press down key 4, press down metal point contact 7, and then press down metal point contact 7 and contact metal shrapnel 15, make metal shrapnel 15 downwarping, make two sliders 14 to the motion of fixed block 10 one side, press down contact block 11, press down the completion back again, two springs 16 push two sliders 14 to 11 side motions of contact block to the outside extrusion, make metal shrapnel 15 recover, the effect of recovering of equipment metal shrapnel 15 has been improved, the condition that metal shrapnel 15 does not kick-back has been reduced, the use of people has been made things convenient for.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The elastic sheet type membrane switch comprises a switch body (1) and is characterized in that the switch body (1) comprises a panel layer (2) and a bottom layer (3), the upper end of the panel layer (2) is fixedly connected with a press key (4), the lower end of the panel layer (2) is fixedly connected with a first insulating layer (5), the lower end of the first insulating layer (5) is fixedly connected with an isolating layer (6), the lower end of the isolating layer (6) is fixedly connected with a metal point contact sheet (7), the upper end of the bottom layer (3) is fixedly connected with a second insulating layer (8), the upper end of the second insulating layer (8) is fixedly connected with a circuit layer (9), the upper end of the circuit layer (9) is fixedly connected with two fixing blocks (10), the upper end of the circuit layer (9) is fixedly connected with a contact block (11) positioned between the two fixing blocks (10), the circuit layer comprises a limiting plate (12) fixedly connected to the upper end of the circuit layer (9), a sliding rod (13) and a sliding block (14) which are fixedly connected between the limiting plate (12) and the fixing block (10) and are connected with the outer wall of the sliding rod (13) in a sliding mode, and a metal elastic sheet (15) fixedly connected to the upper end of the sliding block (14).
2. The reed-type membrane switch according to claim 1, wherein a spring (16) sleeved outside the sliding rod (13) is fixedly connected between the two sliding blocks (14) and the fixed block (10).
3. A dome-shaped membrane switch according to claim 1, characterized in that said metal point contact (7) is downwardly convex.
4. The switch according to claim 1, wherein the upper end of the metal spring (15) is provided with a groove (17) matching with the top end of the metal point contact (7).
5. A dome-shaped membrane switch according to claim 1, characterized in that the center of the push button (4), the metal point contact (7), the metal dome (15) and the contact block (11) are all located on the same vertical line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020980719.7U CN212209309U (en) | 2020-06-02 | 2020-06-02 | Spring sheet type membrane switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020980719.7U CN212209309U (en) | 2020-06-02 | 2020-06-02 | Spring sheet type membrane switch |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212209309U true CN212209309U (en) | 2020-12-22 |
Family
ID=73811896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020980719.7U Expired - Fee Related CN212209309U (en) | 2020-06-02 | 2020-06-02 | Spring sheet type membrane switch |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212209309U (en) |
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2020
- 2020-06-02 CN CN202020980719.7U patent/CN212209309U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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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: 20201222 |