CN210296187U - Hand-feeling sheet type membrane switch - Google Patents
Hand-feeling sheet type membrane switch Download PDFInfo
- Publication number
- CN210296187U CN210296187U CN201921545134.6U CN201921545134U CN210296187U CN 210296187 U CN210296187 U CN 210296187U CN 201921545134 U CN201921545134 U CN 201921545134U CN 210296187 U CN210296187 U CN 210296187U
- Authority
- CN
- China
- Prior art keywords
- arc
- main arc
- membrane switch
- insulating layer
- hand
- 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.)
- Active
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a hand-feeling sheet type membrane switch belongs to electronic component's technical field, and its technical scheme main points include conducting layer, insulating layer, elasticity ARC piece and last conducting layer down, the insulating layer has seted up the through-hole in the elasticity ARC piece correspondence position, the elasticity ARC piece includes with the corresponding main arc portion of through-hole and is located the sliding part of main arc portion both sides, main arc portion towards one side of conducting layer is provided with the cross-section down and is arc and the decurrent resilience portion of crest, vacuole formation between main arc portion and the resilience portion, the insulating layer up end in the both sides of main arc portion upwards extend there is the stopper, the stopper with correspond be connected with the elastic component between the sliding part, the utility model discloses have and press and feel, long service life's effect.
Description
Technical Field
The utility model relates to an electronic component's technical field, more specifically says that it relates to a membrane switch.
Background
The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel, and has the advantages of rigorous structure, attractive appearance and good sealing property. Has the characteristics of moisture resistance, long service life and the like. The method 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.
At present, chinese patent with publication number CN209266275U discloses a membrane switch, which comprises a base layer, a lower conductive layer, an insulating layer, an elastic arc sheet, an upper conductive layer and a membrane layer, which are sequentially arranged from bottom to top; the insulating layer is provided with a through hole at the position corresponding to the elastic arc sheet; the elastic arc-shaped piece comprises a main arc part corresponding to the through hole and a relative sliding part integrally formed with the main arc part, a sliding groove for the sliding part to slide is formed in the insulating layer, the sliding part extends into the sliding groove and is attached to the groove bottom of the sliding groove to move, and an elastic piece for pushing the sliding part to reset to the circle center direction of the through hole is arranged in the sliding groove.
Similar to the membrane switch in the prior art, when it pressed the elasticity arc piece, the elastic component produced resilience force to the sliding part after being extruded, and after long-time use, the elastic component may produce elastic fatigue, leads to unable to provide resilience force to the sliding part to influence membrane switch's use.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a feel piece formula membrane switch, its advantage lies in having good pressing and feels, long service life.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a feel piece formula membrane switch, includes conducting layer, insulating layer and elasticity ARC piece down, the insulating layer has seted up the through-hole in elasticity ARC piece correspondence position, elasticity ARC piece includes the main arc portion corresponding with the through-hole and is located the sliding part of main arc portion both sides, main arc portion towards one side of conducting layer is provided with the cross-section down and is arc and the decurrent portion of kick-backing of crest, vacuole formation between main arc portion and the portion of kick-backing, the insulating layer up end in the both sides of main arc portion upwards extend to have a stopper, the stopper with correspond be connected with the elastic component between the sliding part.
By adopting the technical scheme, when the membrane switch is pressed, the sliding part extrudes the elastic piece, the main arc part drives the rebound part to move towards the lower conductive layer, and after the rebound part is contacted with the lower conductive layer, the rebound part is extruded to deform to generate elasticity for the main arc part, so that good touch feeling can be provided for fingers of a user; when the membrane switch is released, the main arc part and the rebound part recover to deform, so that the elastic arc piece is reset more quickly, and the elastic piece pushes the sliding part to accelerate the reset of the elastic arc piece; wherein, the cavity that forms between main arc portion and the resilience portion can shorten the removal stroke of elasticity arc piece, reduces the extrusion force that produces the elastic component to prolong membrane switch's life.
The utility model discloses further set up to: and a metal sheet extends upwards from the upper end surface of the lower conducting layer at the position corresponding to the main arc part.
Through adopting above-mentioned technical scheme, the setting of sheetmetal can further shorten the removal stroke of elasticity arc piece to the life of extension elastic component.
The utility model discloses further set up to: the metal sheet is an arc sheet with the wave crest upward.
Through adopting above-mentioned technical scheme, after rebound portion and sheetmetal contact, curved sheetmetal receives the extrusion and produces deformation, can provide the resilience force for rebound portion to provide better pressing and feel, and can accelerate the reseing of elasticity arc piece.
The utility model discloses further set up to: and exhaust channels communicated with the through holes and the outside are arranged on two sides of the insulating layer.
Through adopting above-mentioned technical scheme, when pressing the elasticity arc piece, the air in the through-hole can be followed exhaust passage and arranged to the external world to reduce the resistance when pressing the elasticity arc piece, be favorable to pressing the elasticity arc piece.
The utility model discloses further set up to: and a dust screen is arranged in the exhaust passage.
Through adopting above-mentioned technical scheme, the setting of dust screen can avoid the dust to get into the through-hole in the exhaust passage, causes the not logical or short circuit of circuit.
The utility model discloses further set up to: the sliding part and the main arc part are in arc transition at the joint.
Through adopting above-mentioned technical scheme, the design of circular arc transition can make sliding part and lower shell fragment be connected with last shell fragment more level and smooth to reduce the wearing and tearing between sliding part and the insulating layer, avoid pressing down the fracture appears in the junction of main arc portion and sliding part behind the elasticity arc piece for a long time.
The utility model discloses further set up to: the main arc part and the springback part are in arc transition.
Through adopting above-mentioned technical scheme, the design of circular arc transition can make the connection between main arc portion and the portion of kick-backing more level and smooth, and then strengthens the joint strength of main arc portion and the portion of kick-backing, avoids long-time back main arc portion and the junction of the portion of kick-backing to break off.
The utility model discloses further set up to: and a plurality of convex ribs are arranged on one side of the main arc part facing the upper conducting layer.
Through adopting above-mentioned technical scheme, when pressing main arc portion, protruding muscle can strengthen the friction of main arc portion and last conducting layer, avoids main arc portion and last conducting layer to produce relative slip, and influences conducting layer and lower conducting layer's switching on.
To sum up, the utility model has the advantages of it is following:
1. when the membrane switch is pressed, the cavity formed between the main arc part and the rebound part can shorten the moving stroke of the elastic arc piece, reduce the extrusion force generated on the elastic piece and further prolong the service life of the membrane switch;
2. through setting up the sheetmetal, can further shorten the removal stroke of elasticity arc piece, prolong the life of elastic component.
Drawings
Fig. 1 is a schematic sectional structure diagram of the present embodiment.
Description of reference numerals: 1. a base layer; 2. a lower conductive layer; 3. an insulating layer; 4. an elastic arc piece; 41. a main arc portion; 42. a sliding part; 5. an upper conductive layer; 6. a thin film layer; 7. a spring back portion; 8. a through hole; 9. a cavity; 10. a limiting block; 11. an elastic member; 12. a metal sheet; 13. an exhaust passage; 14. a dust screen; 15. and (5) convex ribs.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a feel piece formula membrane switch, as shown in fig. 1, including basic unit 1 that top-down set gradually, lower conducting layer 2, insulating layer 3, elasticity arc piece 4, go up conducting layer 5 and thin layer 6, 3 up end of insulating layer just is located elasticity arc piece 4 corresponding position and opens there is through-hole 8, elasticity arc piece 4 includes main arc portion 41 and the sliding part 42 that is located main arc portion 41 both sides and with main arc portion 41 integrated into one piece, 3 up end of insulating layer just is located the both sides of main arc portion 41 and upwards extends stopper 10, be fixed with elastic component 11 between stopper 10 and the sliding part 42, elastic component 11 is the spring in this embodiment.
As shown in fig. 1, the main arc portion 41 extends to the side of the lower conductive layer 2 to form a rebound portion 7 with an arc-shaped cross section and a downward wave crest, a cavity 9 is formed between the main arc portion 41 and the rebound portion 7, when the membrane switch is pressed, the cavity 9 can shorten the moving stroke of the elastic arc-shaped piece 4, reduce the pressure on the elastic piece 11, and prolong the service life of the membrane switch.
Further, in order to reduce the abrasion of the sliding portion 42 to the insulating layer 3 and enhance the connection strength between the sliding portion 42 and the main arc portion 41, the connection between the sliding portion 42 and the main arc portion 41 is in a circular arc transition in the present embodiment.
As shown in fig. 1, in order to further shorten the moving stroke of the elastic arc-shaped piece 4 and prolong the service life of the elastic arc-shaped piece 4, in this embodiment, a metal sheet 12 extends upward at a position of the lower conductive layer 2 corresponding to the main arc portion 41, and the metal sheet 12 is an arc-shaped piece with an upward wave crest.
As shown in fig. 1, the two sides of the insulating layer 3 are provided with exhaust channels 13 for communicating the through holes 8 with the outside, that is, when the main arc portion 41 is pressed, air in the cavity 9 can be exhausted to the outside through the exhaust channels 13, so that resistance when the main arc portion 41 is pressed is reduced.
Further, in order to prevent dust from entering the through hole 8 from the exhaust passage 13 and causing a dead circuit or a short circuit, a dust screen 14 is installed in the exhaust passage 13 in the present embodiment.
As shown in fig. 1, in order to avoid relative sliding between the upper conductive layer 5 and the main arc portion 41 when the main arc portion 41 is pressed, in the embodiment, a plurality of ribs 15 extend from the main arc portion 41 to the side facing the upper conductive layer 5.
The utility model discloses a working process and beneficial effect as follows: when the elastic arc-shaped piece 4 is pressed, the main arc part 41 drives the rebound part 7 to move towards the lower conducting layer 2, the sliding part 42 slides towards the corresponding limiting block 10, and the elastic piece 11 is compressed after being extruded by the sliding part 42; after the rebound part 7 is contacted with the lower conductive layer 2, the circuit is conducted, the elastic arc-shaped sheet 4 is continuously pressed, the rebound part 7 is extruded by the lower conductive layer 2 to generate deformation, and the main arc part 41 generates elasticity, so that a good pressing touch feeling is provided for fingers of a user; when the elastic arc-shaped piece 4 is released, the main arc portion 41 and the rebound portion 7 are restored to be deformed, so that the elastic arc-shaped piece 4 is restored more quickly, and meanwhile, the elastic piece 11 pushes the sliding portion 42 to accelerate the restoration of the elastic arc-shaped piece 4.
In summary, the moving stroke of the elastic arc-shaped piece 4 can be shortened through the cavity 9 between the main arc part 41 and the rebound part 7, and further the sliding distance of the sliding part 42 is reduced, so that the extrusion force generated on the elastic piece 11 is reduced, and the service life of the membrane switch is prolonged.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a feel piece formula membrane switch, includes conducting layer (2), insulating layer (3), elasticity arc piece (4) and last conducting layer (5) down, through-hole (8) have been seted up in elasticity arc piece (4) corresponding position in insulating layer (3), elasticity arc piece (4) include with through-hole (8) corresponding main arc portion (41) and be located sliding part (42) of main arc portion (41) both sides, its characterized in that: the utility model discloses an insulating layer, including main arc portion (41) and insulating layer, main arc portion (41) face one side of conducting layer (2) down is provided with resilience portion (7) that the cross-section is arc and crest down, form cavity (9) between main arc portion (41) and resilience portion (7), insulating layer (3) up end in the both sides of main arc portion (41) upwards extend stopper (10), stopper (10) and corresponding be connected with elastic component (11) between sliding part (42).
2. The hand-feeling sheet-type membrane switch according to claim 1, wherein: and a metal sheet (12) extends upwards from the upper end surface of the lower conducting layer (2) at the position corresponding to the main arc part (41).
3. The hand-feeling sheet-type membrane switch according to claim 2, wherein: the metal sheet (12) is an arc sheet with the wave crest upward.
4. The hand-feeling sheet-type membrane switch according to claim 1, wherein: and exhaust channels (13) which are communicated with the through holes (8) and the outside are arranged on two sides of the insulating layer (3).
5. The hand-feeling sheet-type membrane switch according to claim 4, wherein: and a dust screen (14) is arranged in the exhaust channel (13).
6. The hand-feeling sheet-type membrane switch according to claim 1, wherein: the main arc part (41) and the springback part (7) are in arc transition at the connection part.
7. The hand-feeling sheet-type membrane switch according to claim 1, wherein: the connection part of the sliding part (42) and the main arc part (41) is in arc transition.
8. The hand-feeling sheet-type membrane switch according to claim 1, wherein: and a plurality of convex ribs (15) are arranged on one side of the main arc part (41) facing the upper conducting layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545134.6U CN210296187U (en) | 2019-09-17 | 2019-09-17 | Hand-feeling sheet type membrane switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545134.6U CN210296187U (en) | 2019-09-17 | 2019-09-17 | Hand-feeling sheet type membrane switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210296187U true CN210296187U (en) | 2020-04-10 |
Family
ID=70063422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921545134.6U Active CN210296187U (en) | 2019-09-17 | 2019-09-17 | Hand-feeling sheet type membrane switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210296187U (en) |
-
2019
- 2019-09-17 CN CN201921545134.6U patent/CN210296187U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104882316B (en) | A kind of method that pressing sound is produced in keyboard switch | |
| CN210296187U (en) | Hand-feeling sheet type membrane switch | |
| CN108281314A (en) | A kind of high life mute microswitch | |
| CN106104732B (en) | Switching device | |
| CN205645633U (en) | Keyboard key switch | |
| TWM556918U (en) | Two-stage touch key structure | |
| CN107068462B (en) | Mechanical thin film keyboard | |
| CN210575658U (en) | Keyboard key switch | |
| CN210296189U (en) | A membrane switch for cell-phone | |
| CN201004388Y (en) | Flexible key switch | |
| CN104216530A (en) | Silent mouse | |
| CN209149996U (en) | A kind of silica gel light-penetration key component | |
| CN210467658U (en) | High-touch membrane switch | |
| CN207319968U (en) | A kind of ultra-thin mechanical keyboard switch | |
| CN210015806U (en) | Silent light touch switch | |
| CN207719079U (en) | A kind of high life mute microswitch | |
| CN206834116U (en) | A kind of double Reed type film switchs | |
| CN206711800U (en) | Keyboard press button structure | |
| CN204129675U (en) | A kind of no sound mouse | |
| CN210516554U (en) | Impact-resistant membrane switch | |
| CN107464715B (en) | Conductive sheet component, the key module comprising the conductive sheet component and keyboard | |
| CN210628154U (en) | Push-button | |
| CN218038955U (en) | DOME membrane switch | |
| CN214477061U (en) | Noise reduction structure of conductive rubber key | |
| CN209461343U (en) | Press-key structure and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |