CN216378028U - Edge sealing snap sheet - Google Patents
Edge sealing snap sheet Download PDFInfo
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- CN216378028U CN216378028U CN202122599496.7U CN202122599496U CN216378028U CN 216378028 U CN216378028 U CN 216378028U CN 202122599496 U CN202122599496 U CN 202122599496U CN 216378028 U CN216378028 U CN 216378028U
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Abstract
The utility model discloses an edge sealing metal dome sheet and relates to the technical field of metal dome sheets. The metal dome sheet comprises a metal dome sheet body, wherein the metal dome sheet body comprises a base material layer, a first waterproof layer, a second waterproof layer, a first protective layer and a second protective layer, the first waterproof layer is bonded on the upper surface of the base material layer, the second waterproof layer is bonded on the lower surface of the base material layer, the first protective layer is bonded on the upper surface of the first waterproof layer, the second protective layer is bonded on the lower surface of the second waterproof layer, an easy-bonding layer is bonded on the upper surface of the first protective layer, and a sealing layer is arranged on the peripheral side face of the metal dome sheet body. According to the utility model, the waterproof performance of the metal dome body is improved through the first waterproof layer and the second waterproof layer, the metal dome body is protected through the first protective layer and the second protective layer, the metal dome body is prevented from being damaged, the metal dome body is fixed on the PCB through the easy-adhesion layer, the sealing property between the metal dome body and the PCB is improved through the sealing plate layer, and the metal dome body is prevented from being locally torn and separated in the use process.
Description
Technical Field
The utility model belongs to the technical field of metal dome sheets, and particularly relates to an edge-sealing metal dome sheet.
Background
The dome sheet is made of ultrathin (0.05mm-0.1mm in thickness) and superhard (generally, the hardness is HV 480-550) stainless steel materials, is mainly applied to products such as membrane switches, micro switches, PCB boards, printed circuit boards, hard boards and the like, and has the advantages of stable contact, strong conductivity, stable resilience and good hand feeling;
however, the existing metal dome sheet has poor protective performance, cannot effectively protect the metal dome sheet, and is easily damaged after being collided, so that the metal dome sheet is uneven, and the metal dome sheet is very inconvenient to normally use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a side sealing snap sheet, which solves the problems that the existing snap sheet is poor in protection performance, cannot effectively protect the snap sheet and is easily damaged after collision.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to an edge sealing metal dome sheet which comprises a metal dome sheet body, wherein the metal dome sheet body comprises a base material layer, a first waterproof layer, a second waterproof layer, a first protective layer and a second protective layer, the first waterproof layer is bonded on the upper surface of the base material layer, the second waterproof layer is bonded on the lower surface of the base material layer, the waterproof performance of the metal dome sheet body is conveniently improved through the first waterproof layer and the second waterproof layer, the first protective layer is bonded on the upper surface of the first waterproof layer, the second protective layer is bonded on the lower surface of the second waterproof layer, the metal dome sheet body is conveniently protected through the first protective layer and the second protective layer, and the metal dome sheet body is prevented from being damaged.
The upper surface of the first protection layer is bonded with an easy-adhesion layer, the easy-adhesion layer is a polypropylene layer, and the snap dome body is conveniently fixed on the PCB through the easy-adhesion layer.
The sealing layer is installed to metal dome body week side, conveniently improves the seal between metal dome body and the PCB board through the sealing layer, prevents that the separation is torn to the part in the use to the metal dome body appearance.
The first waterproof layer and the second waterproof layer are both propylene ester layers, and the waterproof performance of the snap dome body is improved conveniently through the first waterproof layer and the second waterproof layer.
First protective layer and second protective layer are the oxidation film layer, conveniently protect the metal dome body through first protective layer and second protective layer, prevent that metal dome body from taking place to damage.
The utility model has the following beneficial effects:
according to the utility model, the waterproof performance of the metal dome body is improved through the first waterproof layer and the second waterproof layer, the metal dome body is protected through the first protective layer and the second protective layer, the metal dome body is prevented from being damaged, the metal dome body is fixed on the PCB through the easy-adhesion layer, the sealing property between the metal dome body and the PCB is improved through the sealing plate layer, and the metal dome body is prevented from being locally torn and separated in the use process.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the left side of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an anatomical schematic of the utility model at A-A in FIG. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a metal dome body; 2. a sealing layer; 3. a substrate layer; 4. a first waterproof layer; 5. a second waterproof layer; 6. a first protective layer; 7. a second protective layer; 8. an easy-to-stick layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "lower", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, the utility model relates to an edge sealing metal dome sheet, which comprises a metal dome sheet body 1, wherein the metal dome sheet body 1 comprises a substrate layer 3, a first waterproof layer 4, a second waterproof layer 5, a first protective layer 6 and a second protective layer 7, the first waterproof layer 4 is bonded on the upper surface of the substrate layer 3, the second waterproof layer 5 is bonded on the lower surface of the substrate layer 3, the waterproof performance of the metal dome sheet body 1 is improved conveniently through the first waterproof layer 4 and the second waterproof layer 5, the first protective layer 6 is bonded on the upper surface of the first waterproof layer 4, the second protective layer 7 is bonded on the lower surface of the second waterproof layer 5, the metal dome sheet body 1 is protected conveniently through the first protective layer 6 and the second protective layer 7, and the metal dome sheet body 1 is prevented from being damaged.
First protective layer 6 upper surface bonding has easy adhesive layer 8, and easy adhesive layer 8 is the polypropylene layer, conveniently fixes metal dome body 1 on the PCB board through easy adhesive layer 8.
The edge sealing layer 2 is installed on the side face of the metal dome body 1, the sealing layer 2 is convenient to improve the airtightness between the metal dome body 1 and a PCB, and the metal dome body 1 is prevented from being locally torn and separated in the using process.
First waterproof layer 4 and second waterproof layer 5 are the propylene ester layer, conveniently improve the waterproof performance of dome sheet body 1 through first waterproof layer 4 and second waterproof layer 5.
First protective layer 6 and second protective layer 7 are the oxidation film layer, conveniently protect metal dome body 1 through first protective layer 6 and second protective layer 7, prevent that metal dome body 1 from taking place to damage.
As shown in fig. 1 to 3, this embodiment is a method for using edge-sealing snap dome: firstly, a first waterproof layer 4 is bonded on the upper surface of a substrate layer 3, a second waterproof layer 5 is bonded on the lower surface of the substrate layer, the waterproof performance of a metal dome body 1 is conveniently improved through the first waterproof layer 4 and the second waterproof layer 5, a first protective layer 6 is bonded on the upper surface of the first waterproof layer 4, a second protective layer 7 is bonded on the lower surface of the second waterproof layer 5, the metal dome body 1 is conveniently protected through the first protective layer 6 and the second protective layer 7, the metal dome body 1 is prevented from being damaged, an easy-to-stick layer 8 is bonded on the upper surface of the first protective layer 6, the metal dome body 1 is conveniently fixed on a PCB through the easy-to-stick layer 8, finally, an edge sealing layer 2 is bonded on the peripheral side surface of the metal dome body 1, the airtightness between the metal dome body 1 and the PCB is conveniently improved, the metal dome body 1 is prevented from being locally torn and separated in the using process, and the metal dome is completely installed, the metal dome sheet is convenient to use normally.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a banding metal dome piece, includes metal dome piece body (1), its characterized in that: the metal dome body (1) comprises a substrate layer (3), a first waterproof layer (4), a second waterproof layer (5), a first protective layer (6) and a second protective layer (7), wherein the first waterproof layer (4) is bonded on the upper surface of the substrate layer (3), the second waterproof layer (5) is bonded on the lower surface of the substrate layer, the first protective layer (6) is bonded on the upper surface of the first waterproof layer (4), and the second protective layer (7) is bonded on the lower surface of the second waterproof layer (5).
2. An edge sealing snap dome according to claim 1, characterized in that an easy-adhesion layer (8) is adhered to the upper surface of the first protective layer (6), and the easy-adhesion layer (8) is a polypropylene layer.
3. An edge sealing metal dome sheet according to claim 1, characterized in that an edge sealing layer (2) is arranged on the peripheral side of the dome sheet body (1).
4. An edge sealing snap dome according to claim 1, characterized in that said first waterproof layer (4) and said second waterproof layer (5) are both layers of propylene ester.
5. An edge sealing snap dome according to claim 1, characterized in that the first protective layer (6) and the second protective layer (7) are both oxide film layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599496.7U CN216378028U (en) | 2021-10-28 | 2021-10-28 | Edge sealing snap sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599496.7U CN216378028U (en) | 2021-10-28 | 2021-10-28 | Edge sealing snap sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216378028U true CN216378028U (en) | 2022-04-26 |
Family
ID=81248167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122599496.7U Active CN216378028U (en) | 2021-10-28 | 2021-10-28 | Edge sealing snap sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216378028U (en) |
-
2021
- 2021-10-28 CN CN202122599496.7U patent/CN216378028U/en active Active
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