CN210692407U - Novel membrane switch - Google Patents

Abstract

The utility model provides a novel membrane switch, relates to the membrane switch field, includes from last panel layer, last circuit layer, isolation layer, circuit layer and the primer layer down that down bonds in proper order together, wherein the panel in situ is equipped with display screen, panel layer, last circuit layer, isolation layer, circuit layer and primer layer's outer end all has an insulating layer by the parcel through the viscose, the outer end of insulating layer has a metal level by the parcel, the outer end of metal level has a waterproof layer by the parcel, panel layer top covers there is a inoxidizing coating, the bolt fastening is passed through on the waterproof layer at the both ends of inoxidizing coating, be equipped with the bolt hole that matches with the bolt in the waterproof layer. The application provides a novel membrane switch, has waterproof, electromagnetic interference resistance and protects display screen's effect.

Description

Novel membrane switch

Technical Field

The utility model relates to a membrane switch field, concretely relates to novel membrane switch.

Background

The membrane switch is also called a touch keyboard, adopts an integral sealing structure formed by combining a plurality of layers of planes, and is a novel electronic component integrating a key function, an indicating element and an instrument panel. The membrane switch has the characteristics of rigorous structure, attractive appearance, good sealing property, moisture resistance, long service life and the like, and is widely applied to the fields of electronic communication, electronic measurement instruments, industrial control, medical equipment, automobile industry, intelligent toys, household appliances and the like.

As shown in fig. 1, a conventional membrane switch is composed of a panel layer 1 ', an isolation layer 2', an upper circuit layer 3 ', a lower circuit layer 4', and a bottom glue layer 5 ', wherein a display screen 6' is disposed on the panel layer, and the layers are adhered together by a glue. The membrane switch has various use environments, wherein direct contact with water is often generated, the existing membrane switch cannot be waterproof generally, and the membrane switch is limited by the structure of the membrane switch, because the membrane switch adopts a vertical adhesion assembly method, the edge of a circuit layer of the membrane switch is exposed in the air, and the existing membrane switch has high possibility of being corroded by the water or high-humidity environment under the condition of contact with the water, so that the function of the membrane switch is failed, and the use of equipment is influenced; meanwhile, electronic components in the upper circuit layer and the lower circuit layer are easily interfered by electromagnetic environment, so that the normal work and the precision of the electronic components are influenced; in addition, when the membrane switch is transported, the membrane switches are stacked together for boxing transportation, in the transportation process, relative displacement can be generated between the adjacent membrane switches, and when the adjacent membrane switches generate relative displacement, scratches are easily generated on the surface of a display screen on the membrane switch, so that subsequent use is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the application provides a novel membrane switch which has the effects of water resistance, electromagnetic interference resistance and display screen protection.

In order to realize the technical effect, the utility model discloses a concrete technical scheme as follows:

the utility model provides a novel membrane switch, includes from last panel layer, last circuit layer, isolation layer, circuit layer and the primer layer down that down bonds in proper order together, wherein is equipped with the display screen in the panel layer, the outer end of panel layer, last circuit layer, isolation layer, circuit layer and primer layer down all has an insulating layer by the parcel through the viscose, the outer end of insulating layer has a metal level by the parcel, the outer end of metal level has a waterproof layer by the parcel, panel layer top covers there is a inoxidizing coating, the bolt fastening is passed through on the waterproof layer at the both ends of inoxidizing coating, be equipped with the bolt hole with bolt matching in the waterproof layer.

Furthermore, the waterproof layer, the metal layer and the insulating layer are bonded through viscose.

Furthermore, the panel layer, the isolation layer, the upper circuit layer, the lower circuit layer and the bottom glue layer are bonded through viscose glue.

Further, the protective layer is made of a plastic plate or a metal plate.

According to the above technical scheme, compared with the prior art, the utility model, its beneficial effect is:

1. the utility model is provided with the waterproof layer which is fully wrapped at the outer end of the existing membrane switch structure, so that the upper and lower circuit layers in the membrane switch are prevented from contacting water and have waterproof performance;

2. the utility model is provided with the metal layer which is fully wrapped at the outer end of the existing membrane switch structure, so that the membrane switch has electromagnetic shielding performance, and the working stability and performance are improved;

3. the utility model discloses a set up the inoxidizing coating to protect display screen, avoid display screen the condition of fish tail to appear.

Drawings

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

FIG. 1 is a schematic diagram of the prior art;

FIG. 2 is a schematic view of the present invention;

wherein, 1', panel layer; 2', an isolating layer; 3', an upper circuit layer; 4', a lower circuit layer; 5', a primer layer; 6', a display screen; 1. a panel layer; 2. an upper circuit layer; 3. an isolation layer; 4. a lower circuit layer; 5. a primer layer; 6. a display screen; 7. an insulating layer; 8. a metal layer; 9. a waterproof layer; 10. a protective layer; 11. and (4) bolts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present embodiments more clear, the technical solutions in the present embodiments will be described clearly and completely below with reference to the accompanying drawings in the present embodiments, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "outer end", 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 referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 2, a novel membrane switch comprises a panel layer 1, an upper circuit layer 2, an isolation layer 3, a lower circuit layer 4 and a primer layer 5 which are sequentially bonded together from top to bottom, wherein a display screen 6 is arranged in the panel layer 1, the outer ends of the panel layer 1, the upper circuit layer 2, the isolation layer 3, the lower circuit layer 4 and the primer layer 5 are all wrapped with an insulation layer 7 through viscose glue, the insulation layer 7 is used for isolating the upper circuit layer 2, the lower circuit layer 4 and a metal layer 8, and the upper circuit layer 2 and the lower circuit layer 4 are prevented from being conducted to equipment through the metal layer 8; the outer end of insulating layer 7 is wrapped up by a metal level 8, and metal level 8 is used for playing the electromagnetic shield effect, the outer end of metal level 8 is wrapped up by a waterproof layer 9, 1 top cover of panel layer has an inoxidizing coating 10, inoxidizing coating 10 adopts plastic slab or metal sheet, bolt 11 is passed through at the both ends of inoxidizing coating 10 and is fixed on waterproof layer 9, be equipped with the bolt hole that matches with bolt 11 in the waterproof layer 9, during this membrane switch transportation, cover inoxidizing coating 10 on panel layer 1 through bolt 11 to the display screen in the protection panel layer 1 prevents it by the scratch, when it installs on equipment, alright take off inoxidizing coating 10.

The waterproof layer 9, the metal layer 8 and the insulating layer 7 are bonded through viscose; the panel layer 1, the isolation layer 3, the upper circuit layer 2, the lower circuit layer 4 and the primer layer 5 are bonded through viscose.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims (4)

1. A novel membrane switch comprises a panel layer (1), an upper circuit layer (2), an isolation layer (3), a lower circuit layer (4) and a bottom glue layer (5) which are sequentially bonded together from top to bottom, wherein the panel layer (1) is internally provided with a display screen (6) and is characterized in that the outer ends of the panel layer (1), the upper circuit layer (2), the isolation layer (3), the lower circuit layer (4) and the bottom glue layer (5) are wrapped with an insulation layer (7) through viscose glue, the outer end of the insulating layer (7) is wrapped with a metal layer (8), the outer end of the metal layer (8) is wrapped with a waterproof layer (9), the top end of the panel layer (1) is covered with a protective layer (10), two ends of the protective layer (10) are fixed on the waterproof layer (9) through bolts (11), and a bolt hole matched with the bolt (11) is formed in the waterproof layer (9).

2. A new membrane switch, according to claim 1, characterized in that said waterproof layer (9), said metal layer (8) and said insulating layer (7) are glued together by means of glue.

3. The membrane switch as claimed in claim 1, wherein the panel layer (1), the isolation layer (3), the upper circuit layer (2), the lower circuit layer (4) and the bottom glue layer (5) are bonded together by glue.

4. The membrane switch as claimed in claim 1, characterized in that the protective layer (10) is made of plastic or metal.

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