CN204680583U - Safety-type film key - Google Patents
Safety-type film key Download PDFInfo
- Publication number
- CN204680583U CN204680583U CN201520363671.4U CN201520363671U CN204680583U CN 204680583 U CN204680583 U CN 204680583U CN 201520363671 U CN201520363671 U CN 201520363671U CN 204680583 U CN204680583 U CN 204680583U
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- Prior art keywords
- layer
- pet
- safety
- hole
- adhesive
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of safety-type film key; include diaphragm, partition PET, adhesive-layer, route protection insulating barrier, line layer, UV bottom, peel off tamper layer and pet layer; this diaphragm, partition PET, adhesive-layer, route protection insulating barrier, line layer, UV bottom, stripping tamper layer and pet layer are folded successively to be from lower to upper located at together; partition PET is provided with groove; be provided with metal clips in this groove, metal clips arches upward upward and is located between adhesive-layer and diaphragm.By this; tamper layer and UV bottom is peeled off by being equipped with; make stripping tamper layer and pet layer depart from when external force pulls from bottom surface; cause UV bottom to produce distortion, the line layer be simultaneously attached on UV bottom produces fracture, makes whole circuit form open circuit; normal work cannot be realized; thus play and prevent external force from tolling breakdown machine, protection machine safety, avoids lawless person to have an opportunity to take advantage of.
Description
Technical field
The utility model relates to film key art, refers in particular to a kind of safety-type film key.
Background technology
Film, by strong (MEMBRANE), is that PET is shaping and with the assembly of Metal dome circuit etc.Be used on the wiring boards such as PCB, FPC and use as switch, between user and instrument, play the effect of an important sense of touch actuating switch.Compared with traditional silica gel push-button, film key has better feel, longer life-span, and its assembly can improve the production efficiency using all types of switch indirectly.Film is positioned at the conducting position (major part is positioned at above the golden finger on wiring board) on pcb board by the contact on strong, when button is subject to pressed by external force, the central point of contact is recessed, touch the circuit on PCB, thus formation loop, electric current passes through, and whole product is just able to normal work.
But current film key is easily removed, the circuit after removing in it is not destroyed, and causes lawless person to have an opportunity to take advantage of, utilizes circuit to carry out stealing of various data, thus make the fail safe of machine lower.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of safety-type film key, and it effectively can solve existing film key and is easily removed and does not destroy the problem that circuit causes fail safe low.
For achieving the above object, the utility model adopts following technical scheme:
A kind of safety-type film key; include diaphragm, partition PET, adhesive-layer, route protection insulating barrier, line layer, UV bottom, peel off tamper layer and pet layer; this diaphragm, partition PET, adhesive-layer, route protection insulating barrier, line layer, UV bottom, stripping tamper layer and pet layer are folded successively to be from lower to upper located at together; partition PET is provided with groove; be provided with metal clips in this groove, metal clips arches upward upward and is located between adhesive-layer and diaphragm.
As a kind of preferred version, the quantity of described groove is a plurality of, is provided with an aforementioned metal shell fragment in each groove.
As a kind of preferred version, described adhesive-layer is double faced adhesive tape.
As a kind of preferred version, described line layer is printed wire layer.
As a kind of preferred version, the surface coverage of described pet layer has layers of two-sided.
As a kind of preferred version, described layers of two-sided is provided with for making product keep the good through hole using feel when pressing, through hole is corresponding with metal clips.
As a kind of preferred version; described partition PET is provided with the first through hole; adhesive-layer is provided with the second through hole; route protection insulating barrier is provided with third through-hole; this first through hole, the second through hole and third through-hole just form empty avoiding district to being communicated with from lower to upper successively, and the circuit in this empty avoiding district is provided with the contact point be connected with line layer.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
Tamper layer and UV bottom is peeled off by being equipped with; make stripping tamper layer and pet layer depart from when external force pulls from bottom surface; UV bottom is caused to produce distortion; the line layer be simultaneously attached on UV bottom produces fracture; make whole circuit form open circuit, normal work cannot be realized, thus play and prevent external force from tolling breakdown machine; protection machine safety, avoids lawless person to have an opportunity to take advantage of.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the assembling sectional view of the preferred embodiment of the utility model;
Fig. 2 is the decomposition section of the preferred embodiment of the utility model.
Accompanying drawing identifier declaration:
10, diaphragm 20, partition PET
21, groove 22, first through hole
30, adhesive-layer 31, second through hole
40, route protection insulating barrier 41, third through-hole
50, line layer 60, UV bottom
70, tamper layer 80, pet layer is peeled off
90, metal clips 10 ', layers of two-sided
11 ', through hole.
Embodiment
Please refer to shown in Fig. 1 and Fig. 2; that show the concrete structure of the preferred embodiment of the utility model, include diaphragm 10, partition PET20, adhesive-layer 30, route protection insulating barrier 40, line layer 50, UV bottom 60, peel off tamper layer 70 and pet layer 80.
This diaphragm 10, partition PET20, adhesive-layer 30, route protection insulating barrier 40, line layer 50, UV bottom 60, stripping tamper layer 70 and pet layer 80 are folded successively to be from lower to upper located at together, partition PET20 is provided with groove 21, metal clips 90(Metal Dome is provided with) in this groove 21, metal clips 90 arches upward upward and is located between adhesive-layer 30 and diaphragm 10, in the present embodiment, the quantity of this groove 21 is a plurality of, an aforementioned metal shell fragment 90 is provided with in each groove 21, this adhesive-layer 30 is double faced adhesive tape, this line layer 50 is printed wire layer.
And the surface coverage of this pet layer 80 has layers of two-sided 10 ', this layers of two-sided 10 ' is above provided with for making product keep the good through hole 11 ' using feel when pressing, and through hole 11 ' is corresponding with metal clips 90.
In addition; this partition PET20 is provided with the first through hole 22; adhesive-layer 30 is provided with the second through hole 31; route protection insulating barrier 40 is provided with third through-hole 41; this the first through hole 22, second through hole 31 and third through-hole 41 just form empty avoiding district to being communicated with from lower to upper successively, and the circuit in this empty avoiding district is provided with the contact point (not shown) be connected with line layer 50.
During use; the positive and negative of this product is all fixing; peel off tamper layer 70 poor with pet layer 80 degree of attachment, peel off tamper layer 70 good with UV bottom 60 degree of attachment, make when external force pulls from bottom surface stripping tamper layer 70 and pet layer 80 depart from; UV bottom 60 is caused to produce distortion; the line layer 50 be simultaneously attached on UV bottom 60 produces fracture, makes whole circuit form open circuit, cannot realize normal work; thus play and prevent external force from tolling breakdown machine, protection machine safety.
Design focal point of the present utility model is: peel off tamper layer and UV bottom by being equipped with; make stripping tamper layer and pet layer depart from when external force pulls from bottom surface; UV bottom is caused to produce distortion; the line layer be simultaneously attached on UV bottom produces fracture; make whole circuit form open circuit, normal work cannot be realized, thus play and prevent external force from tolling breakdown machine; protection machine safety, avoids lawless person to have an opportunity to take advantage of.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. a safety-type film key; it is characterized in that: include diaphragm, partition PET, adhesive-layer, route protection insulating barrier, line layer, UV bottom, peel off tamper layer and pet layer; this diaphragm, partition PET, adhesive-layer, route protection insulating barrier, line layer, UV bottom, stripping tamper layer and pet layer are folded successively to be from lower to upper located at together; partition PET is provided with groove; be provided with metal clips in this groove, metal clips arches upward upward and is located between adhesive-layer and diaphragm.
2. safety-type film key according to claim 1, is characterized in that: the quantity of described groove is a plurality of, is provided with an aforementioned metal shell fragment in each groove.
3. safety-type film key according to claim 1, is characterized in that: described adhesive-layer is double faced adhesive tape.
4. safety-type film key according to claim 1, is characterized in that: described line layer is printed wire layer.
5. safety-type film key according to claim 1, is characterized in that: the surface coverage of described pet layer has layers of two-sided.
6. safety-type film key according to claim 5, is characterized in that: described layers of two-sided is provided with for making product keep the good through hole using feel when pressing, through hole is corresponding with metal clips.
7. safety-type film key according to claim 1; it is characterized in that: described partition PET is provided with the first through hole; adhesive-layer is provided with the second through hole; route protection insulating barrier is provided with third through-hole; this first through hole, the second through hole and third through-hole just form empty avoiding district to being communicated with from lower to upper successively, and the circuit in this empty avoiding district is provided with the contact point be connected with line layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520363671.4U CN204680583U (en) | 2015-06-01 | 2015-06-01 | Safety-type film key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520363671.4U CN204680583U (en) | 2015-06-01 | 2015-06-01 | Safety-type film key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204680583U true CN204680583U (en) | 2015-09-30 |
Family
ID=54180256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520363671.4U Expired - Fee Related CN204680583U (en) | 2015-06-01 | 2015-06-01 | Safety-type film key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204680583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116504563A (en) * | 2023-06-27 | 2023-07-28 | 苏州昌利橡塑科技有限公司 | Novel waterproof, antioxidant and anti-vulcanization membrane switch and manufacturing method thereof |
-
2015
- 2015-06-01 CN CN201520363671.4U patent/CN204680583U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116504563A (en) * | 2023-06-27 | 2023-07-28 | 苏州昌利橡塑科技有限公司 | Novel waterproof, antioxidant and anti-vulcanization membrane switch and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150930 Termination date: 20190601 |