CN208970400U - Membrane keyboard - Google Patents
Membrane keyboard Download PDFInfo
- Publication number
- CN208970400U CN208970400U CN201821992408.1U CN201821992408U CN208970400U CN 208970400 U CN208970400 U CN 208970400U CN 201821992408 U CN201821992408 U CN 201821992408U CN 208970400 U CN208970400 U CN 208970400U
- Authority
- CN
- China
- Prior art keywords
- conductive film
- control circuit
- bottom case
- membrane keyboard
- adhesion layer
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of membrane keyboards, including bottom case, the upper cover being installed on bottom case, conductive film, control circuit board and elastomeric switch in the space that bottom case and upper cover are formed, the conductive adhesion layer being located between conductive film, control circuit board, several keycaps being installed on upper lid.The side of elastomeric switch is abutted with conductive film, and the other side of elastomeric switch is abutted with keycap.Conductive film is equipped with conductive film golden finger, and control circuit board is equipped with control circuit edge connector.The side of conductive adhesion layer is covered on conductive film golden finger, and the other side of conductive adhesion layer is covered in control circuit edge connector.Due to conductive adhesion layer setting can these be installed to avoid screw, metal bead, soft rubber cushion is used, structure is simple；And conductive adhesion layer is to conductive film golden finger, the covering sealing of control circuit edge connector, and it is functional to use for a long time using will not be oxidized in the high acid or alkali environment of long-time high temperature and humidity.
Description
Technical field
The utility model relates to computer fittings technical fields, more particularly to a kind of membrane keyboard.
Background technique
Keyboard is widely used as computer and the most common input unit of various automation equipments in computer and various
The input that text and order are carried out in different electronic product equipments, plays the role of very important in peripheral hardware field, has
Efficacious prescriptions human-computer interaction between operator and equipment.Existing keyboard mainly has membrane keyboard, mechanical keyboard and quiet
Three kinds of capacitance keyboard, wherein membrane keyboard is seized of most markets with advantages such as at low cost, simple processes.But it is existing
The conduction mode of conductive film and control circuit board in many membrane keyboards will be led by screw, metal bead, soft rubber cushion
Conductive film golden finger is aligned pressing with control circuit edge connector and is locked together to carry out signal transmission.This product structure
Install it is cumbersome structure is complicated, and if used in the high acid or alkali environment of high temperature and humidity, conductive film golden finger or control electricity
Road edge connector is easy to oxidize to generate poor contact to influence the normal usage function of keyboard.
Utility model content
Based on this, it is necessary to existing membrane keyboard there are aiming at the problem that, provide a kind of structure it is simple, in high temperature and humidity height
The membrane keyboard that can be used for a long time in acid or alkali environment.
A kind of membrane keyboard, comprising: bottom case, is located at the bottom case and the upper cover at the upper cover being installed on the bottom case
Conductive film, control circuit board and elastomeric switch in the space of formation are located between the conductive film, control circuit board
Conductive adhesion layer, several keycaps for being installed on the upper lid；The side of the elastomeric switch is abutted with the conductive film,
The other side of the elastomeric switch is abutted with the keycap；The conductive film is equipped with conductive film golden finger, the control
Circuit board is equipped with control circuit edge connector；The side of the conductive adhesion layer is covered on the conductive film golden finger,
The other side of the conductive adhesion layer is covered in the control circuit edge connector.
Above-mentioned membrane keyboard, including bottom case, the upper cover being installed on bottom case, in the space that bottom case and upper cover are formed
Conductive film, control circuit board and elastomeric switch, the conductive adhesion layer being located between conductive film, control circuit board, installation
In several keycaps on upper lid.Due to conductive adhesion layer setting can to avoid use screw, metal bead, soft rubber cushion these into
Row installation, structure are simple；And conductive adhesion layer is to conductive film golden finger, control circuit edge connector covering sealing and can be with
Signal transmission is carried out, it is functional to use for a long time using will not be oxidized in the high acid or alkali environment of long-time high temperature and humidity.
It in one of the embodiments, further include the support plate being installed on the bottom case, the support plate is led with described
Conductive film abuts.
The support plate is equipped with reinforcing rib, length of the reinforcing rib along the support plate in one of the embodiments,
Direction is spent to extend.
The elastomeric switch is equipped with several Capsules in one of the embodiments, and the Capsule is abutted with the keycap.
The upper lid is equipped with several keycap seats in one of the embodiments, and one end of the keycap is inserted into described
In keycap seat.
It in one of the embodiments, further include the transmission line being connect with the control circuit board.
It in one of the embodiments, further include the battery being installed on the bottom case, the battery and control electricity
The electrical connection of road plate.
Protective shell is installed in one of the embodiments, the protective shell is opposite with the battery to be set on the bottom case
It sets.
Accommodation groove and clamping groove are set on the bottom case in one of the embodiments, the accommodation groove accommodates the battery；
The protective shell is equipped with buckle, and the buckle is adapted to the clamping groove.
The bottom case is equipped with boss portion in one of the embodiments, and the boss portion is along the length side of the bottom case
To extension.
Detailed description of the invention
Fig. 1 is the schematic diagram of an embodiment of the present invention membrane keyboard；
Fig. 2 is the schematic diagram at another visual angle of membrane keyboard shown in Fig. 1；
Fig. 3 is the decomposition diagram of membrane keyboard shown in Fig. 1；
Fig. 4 is another decomposition diagram of membrane keyboard shown in Fig. 1；
Fig. 5 is the enlarged diagram at middle circle A shown in Fig. 2；
Fig. 6 is the schematic diagram of middle protective shell shown in Fig. 2；
Fig. 7 is the enlarged diagram at middle circle B shown in Fig. 3.
Attached drawing mark explanation:
100- membrane keyboard, 20- bottom case, 21- support plate, 22- reinforcing rib, 23- protective shell, 24- boss, 25- foot pad,
26- accommodation groove, 27- clamping groove, the side 28- catching groove, 231- buckle, the side 232- button, 30- upper cover, 31- keycap seat, 40- conductive thin
Film, 41- conductive film golden finger, 50- control circuit board, 51- control circuit edge connector, 60- elastomeric switch, 61- Capsule,
70- conductive adhesion layer, 80- keycap, 91- transmission line, 92- battery.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
The understanding for opening content is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.In addition, the terms "and/or", only a kind of description is closed
Join the incidence relation of object, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A is deposited simultaneously
In A and B, these three situations of individualism B.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, for example, "inner", "outside", "left", "right" and similar statement simply to illustrate that
Purpose is not intended in limitation the utility model.
Fig. 1 to Fig. 7 is please referred to, is the membrane keyboard 100 of an embodiment of the present invention, which includes bottom
Shell 20, the upper cover 30 being installed on bottom case 20, the conductive film 40 in the space that bottom case 20 and upper cover 30 are formed, control electricity
Conductive adhesion layer 70 between road plate 50 and elastomeric switch 60, sandwiched and conductive film, control circuit board is installed in upper cover 30
Multiple keycaps 80.Wherein the side of elastomeric switch 60 is abutted with conductive film 40, the other side of elastomeric switch 60 and keycap 80
It abuts.
Further, which further includes the support plate 21 being installed on bottom case 20, support plate 21 and conductive thin
The abutting of film 40 plays a supporting role to conductive film 40.Wherein support plate 21 is equipped with reinforcing rib 22, and reinforcing rib 22 is along support plate
21 length direction extends, and the two sides of specially support plate 21 are correspondingly provided with two reinforcing ribs 22.
Further, which further includes the transmission line 91 connecting with control circuit board 50, and transmission line 91 uses
When directly connect with computer, be wireline mode keyboard.In other embodiments, membrane keyboard 100 further includes being installed on bottom case 20
On battery 92, battery 92 is electrically connected with control circuit board 50, wherein has radio receiving transmitting module in control circuit board 50, be wireless
Mode keyboard.It is envisioned that membrane keyboard 100 can have transmission line 91 and battery 92 simultaneously, it in this way can be according to need
It selects using wireless mode or wireline mode.
Protective shell 23 is installed, protective shell 23 is oppositely arranged with battery 92, convenient for the disassembly to battery on the bottom case 20
Replacement and protection.Further, bottom case 20 is equipped with boss portion 24, and boss portion 24 extends along the length direction of bottom case 20, specifically
In the edge close to transmission line 91, by the setting of boss portion 24, membrane keyboard 100 has certain inclination angle when use, strikes
It is comfortably operated well when beating using keyboard.Further, multiple foots pad 25 are installed, foot pad 25 can be to membrane keyboard on bottom case 20
100 play a supporting role and have antiskid effect.Further, bottom case 20 is equipped with accommodation groove 26, clamping groove 27 and side catching groove
28,26 set battery 92 of accommodation groove, protective shell 23 is equipped with buckle 231 and side button 232, and buckle 231 is adapted to clamping groove 27, side
Button 232 is adapted to installation with side catching groove 28.
The upper cover 30 is equipped with several keycap seats 31, and one end of keycap 80 is inserted into keycap seat 31 and elastomeric switch 60
It abuts.Further, conductive film 40 is equipped with conductive film golden finger 41, and control circuit board 50 is equipped with control circuit sheet metal
Finger 51, the side of conductive adhesion layer 70 are covered on conductive film golden finger 41, the other side of conductive adhesion layer 70 cover in
On control circuit edge connector 51.Wherein conductive adhesion layer 70 can be anisotropic conductive film or tin cream, and the utility model is adopted
With anisotropic conductive film, assembly bonding is carried out by pressing machine.The use of conductive adhesion layer 70 can be to avoid conductive film 40
Screw sliding teeth is protected with the lock of control circuit board 50 or screwed lock shield is not in place, is loosened after shaking in transportational process, keyboard
There is unstable problem in function.
Further, elastomeric switch 60 is equipped with several Capsules 61, and Capsule 61 is abutted with keycap 80, in use, passing through
Pressing keycap 80 moves down corresponding Capsule 61, and the switch rubber contact on Capsule 61 forces the upper and lower level on conductive film 40 to be opened
It closes contact to be connected to form switching effect, be handled to trigger the MCU that electric signal is given in control circuit board 50, after MCU will be handled
Result give computer system (such as Windows), system will treated as the result is shown on the screen (such as text or order input
Deng).
Above-mentioned membrane keyboard 100 including bottom case 20, the upper cover being installed on bottom case 20 30, is located at bottom case 20 and upper cover 30
Conductive film 40, control circuit board 50 and elastomeric switch 60 in the space of formation are located in conductive film 40, control circuit board
Conductive adhesion layer 70 between 50, several keycaps 80 being installed in upper cover 30.Since the setting of conductive adhesion layer 70 can be kept away
Exempt from using screw, metal bead, soft rubber cushion these installed, structure is simple, and artificial input cost is low；And conductive adhesion layer
70 pairs of conductive film golden fingers 41, the covering of control circuit edge connector 51 are sealed and can be transmitted with signal, high in long-time high temperature
It is functional to use for a long time using will not be oxidized in wet high acid or alkali environment.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of membrane keyboard characterized by comprising bottom case, the upper cover being installed on the bottom case, be located at the bottom case with
Conductive film, control circuit board and the elastomeric switch in space that the upper cover is formed is located in the conductive film, control electricity
Conductive adhesion layer between the plate of road, several keycaps being installed on the upper lid；The side of the elastomeric switch and the conduction
Film abuts, and the other side of the elastomeric switch is abutted with the keycap；The conductive film is equipped with conductive film golden finger,
The control circuit board is equipped with control circuit edge connector；The side of the conductive adhesion layer is covered in the conductive film gold
On finger, the other side of the conductive adhesion layer is covered in the control circuit edge connector.
2. membrane keyboard according to claim 1, which is characterized in that it further include the support plate being installed on the bottom case,
The support plate is abutted with the conductive film.
3. membrane keyboard according to claim 2, which is characterized in that the support plate is equipped with reinforcing rib, the reinforcement
Muscle extends along the length direction of the support plate.
4. membrane keyboard according to claim 1, which is characterized in that the elastomeric switch is equipped with several Capsules, described
Capsule is abutted with the keycap.
5. membrane keyboard according to claim 1, which is characterized in that the upper lid is equipped with several keycap seats, the key
One end of cap is inserted into the keycap seat.
6. membrane keyboard according to claim 1, which is characterized in that further include the transmission being connect with the control circuit board
Line.
7. membrane keyboard according to claim 1 or 6, which is characterized in that it further include the battery being installed on the bottom case,
The battery is electrically connected with the control circuit board.
8. membrane keyboard according to claim 7, which is characterized in that be equipped with protective shell, the protection on the bottom case
Shell is oppositely arranged with the battery.
9. membrane keyboard according to claim 8, which is characterized in that accommodation groove and clamping groove are set on the bottom case, it is described
Accommodation groove accommodates the battery；The protective shell is equipped with buckle, and the buckle is adapted to the clamping groove.
10. membrane keyboard according to claim 1, which is characterized in that the bottom case is equipped with boss portion, the boss portion
Length direction along the bottom case extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992408.1U CN208970400U (en) | 2018-11-28 | 2018-11-28 | Membrane keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992408.1U CN208970400U (en) | 2018-11-28 | 2018-11-28 | Membrane keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208970400U true CN208970400U (en) | 2019-06-11 |
Family
ID=66765987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821992408.1U Expired - Fee Related CN208970400U (en) | 2018-11-28 | 2018-11-28 | Membrane keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208970400U (en) |
-
2018
- 2018-11-28 CN CN201821992408.1U patent/CN208970400U/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: 20190611 Termination date: 20211128 |