CN218998467U

CN218998467U - Protection device suitable for panel beating product display screen

Info

Publication number: CN218998467U
Application number: CN202222625693.6U
Authority: CN
Inventors: 颜岩
Original assignee: Suzhou Luck Power Electronics Technology Co ltd
Current assignee: Suzhou Luck Power Electronics Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-09
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a protection device suitable for a sheet metal product display screen, wherein a display screen component is positioned at the inner side of a sheet metal shell of the product, an observation opening is further formed in the sheet metal shell, the protection device comprises a base layer made of transparent materials, and a shading layer and a sealing layer which are respectively compounded at the inner side and the outer side of the base layer, wherein the shading layer and the sealing layer are respectively provided with a first through hole and a second through hole, when the protection device is assembled, the sealing layer is sealed and attached to the inner side of the sheet metal shell, the shading layer is sealed and attached to the periphery of a display area, and orthographic projection of the first through hole and the second through hole on the display area can cover the display area. On one hand, the sealing performance between the sheet metal shell and the display screen is realized through the sealing fit among the base layer, the sealing layer and the sheet metal shell, so that dust and water vapor are effectively isolated; on the other hand, through sealed cooperation between basic unit, shielding layer, the display screen, effectively separation backlight astigmatism avoids display screen edge light leak, guarantees that the screen display is clear.

Description

Protection device suitable for panel beating product display screen

Technical Field

The utility model belongs to the technical field of display screen protection, and particularly relates to a protection device suitable for a sheet metal product display screen.

Background

Currently, among common products in the market, the products with the shell being made of an open mold injection molding process can be considered to make some optimization measures for the protection of the display screen; but for sheet metal housing products this is often neglected and the handling of the display screen often appears rough.

Most of common sheet metal products are characterized in that a display screen is directly and fixedly connected to a sheet metal surface of a shell through screw columns, and although part of the products are possibly provided with a transparent film for protection on the surface of the display screen in view of aesthetic problems, the internal components of the display screen are still in a state capable of contacting with the outside, and problems of dust inlet, condensation caused by water inlet steam and the like are inevitably encountered along with the increase of the service time, so that the display of the screen is fuzzy and the observation is influenced; in addition, in the design of the display screen with the exposed inside, the problem of light leakage at the edge of the display screen can be solved due to the light scattering problem of the backlight plate behind the display screen. Therefore, it is necessary to design a display screen protection device capable of preventing the water from entering the display screen and avoiding the light leakage at the edge of the display screen.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a brand new protection device suitable for a sheet metal product display screen.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a protection device suitable for panel beating product display screen, the display screen subassembly is located the inboard of product panel beating shell, and still be formed with on the panel beating shell with the display area assorted viewing aperture of display screen subassembly, protection device includes the basic unit made by transparent material, compound shading layer and the sealing layer in basic unit inboard and outside respectively, wherein have first through-hole and second through-hole on shading layer and the sealing layer respectively, during the equipment, the sealing layer is sealed to be laminated in the inboard of panel beating shell, shading layer is sealed to be laminated in the periphery of display area, the orthographic projection of first through-hole and second through-hole on display area can cover display area.

Preferably, the first through holes are square holes, and when the display device is assembled, the inner side edges of the first through holes are aligned with the side edges of the display area one by one.

Preferably, the light shielding layer is adhered to the outer circumference of the display area from the inner side by double sided tape. The device is simple to operate and convenient to install.

Preferably, the light shielding layer is a silk screen layer disposed inside the base layer. The silk screen is black, and the shading effect is good; and the gap between the base layer and the display screen can be greatly reduced, and the bad phenomenon of moire is avoided.

Preferably, the second through hole is a square hole, when the display device is assembled, the projection of the display area on the sealing layer is positioned in the second through hole, and the distance between the inner side edge of the second through hole and the side edge corresponding to the projection of the display area is 1-2 mm. By the arrangement, a gap is reserved between the side edge of the second through hole and the display area, so that shielding of the sealing layer in any observation direction is reduced, and clear observation is ensured.

Preferably, the sealing layer is a waterproof foam patch adhered to the outer side of the base layer, and the edge of the waterproof foam patch is flush with the edge of the base layer. By the arrangement, when the sealing layer is installed, the adhesion position of the sealing layer can be rapidly determined by taking the base layer as a reference.

Specifically, the thickness of the waterproof foam patch is 0.8-1.2 mm.

Further, the display screen component is fixedly connected with the sheet metal shell, the waterproof foam is abutted against the inner side of the sheet metal shell, and the compression amount of the waterproof foam is 0.4-0.6 mm. Thus, the sealing effect is effectively improved.

Preferably, the base layer is an acrylic plate, and the thickness of the acrylic plate is 0.8-1.2 mm.

In addition, protection device still includes laminating in the panel beating shell outside and can cover the transparent protection film of viewing aperture.

Due to the implementation of the technical scheme, compared with the prior art, the utility model has the following advantages:

on one hand, the sealing performance between the sheet metal shell and the display screen is realized through the sealing fit among the base layer, the sealing layer and the sheet metal shell, so that dust and water vapor are effectively isolated; on the other hand, through sealed cooperation between basic unit, shielding layer, the display screen, effectively separation backlight astigmatism avoids display screen edge light leak, guarantees that the screen display is clear.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of a display screen assembly and a sheet metal housing, and a protective device of the present utility model;

FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is an exploded view of the protective device of FIG. 3;

FIG. 5 is an enlarged schematic view of the structure shown at I in FIG. 2;

wherein: x, display screen assembly; s, displaying an area; K. a sheet metal housing; k0, observation port;

B. a protection device; 1. a base layer; 2. a light shielding layer; k1, a first through hole; j. double faced adhesive tape; 3. a sealing layer; k2, a second through hole.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature. It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 to 5, the display screen assembly X of the present embodiment is located at the inner side of the sheet metal shell K of the product, and the thickness of the sheet metal shell K is 1mm, and an observation port K0 matched with the display area S of the display screen assembly X is further formed on the sheet metal shell K. The protection device B suitable for the sheet metal product display screen of the embodiment comprises a base layer 1, a shading layer 2 and a sealing layer 3.

Specifically, the base layer 1 is made of a transparent material. In some embodiments, the base layer 1 is a rectangular acryl plate, and the thickness of the base layer 1 is 1mm, and each side length of the base layer 1 is 3mm longer than the corresponding side length of the display area S.

In this example, the light shielding layer 2 is compounded on the inner side of the base layer 1, and the light shielding layer 2 is provided with a first through hole k1; the sealing layer 3 is compounded on the outer side of the base layer 1, the sealing layer 3 is provided with a second through hole K2, when the light shielding layer 2 is assembled, the light shielding layer 2 is in sealing fit with the periphery of the display area S, the sealing layer 3 is in sealing fit with the inner side of the sheet metal shell K, and orthographic projections of the first through hole K1 and the second through hole K2 on the display area S can cover the display area S.

Further, the first through hole k1 is a square hole, and when assembled, each inner side edge of the first through hole k1 is aligned with the side edge of the display area S. The second through hole k2 is a square hole, when the assembly is performed, the projection of the display area S on the sealing layer 3 is positioned in the second through hole k2, and the distance between the inner side edge of the second through hole k2 and the side edge corresponding to the projection of the display area S is 2mm. By the arrangement, a gap is reserved between the side edge of the second through hole and the display area, so that shielding of the sealing layer in any observation direction is reduced, and clear observation is ensured.

In this example, the light shielding layer 2 is a silk-screen layer disposed inside the base layer 1, and is silk-screen black, and the light shielding layer 2 is adhered to the outer periphery of the display area S from the inside through a double sided tape j. The black silk-screen layer is adopted, the shading effect is good, the gap between the base layer and the display screen can be greatly reduced, and the bad phenomenon of moire is avoided; meanwhile, the operation is simple, and the installation is convenient.

Specifically, the sealing layer 3 is a waterproof foam patch, the inner side of the waterproof foam patch is coated with back adhesive and is adhered to the outer side of the base layer 1, and the edge of the waterproof foam patch is flush with the edge of the base layer 1. By the arrangement, when the sealing layer is installed, the adhesion position of the sealing layer can be rapidly determined by taking the base layer as a reference.

Meanwhile, the thickness of the waterproof foam paste is 1mm, the display screen component X is fixedly connected with the sheet metal shell K through a bolt piece, the waterproof foam paste is pressed against the inner side of the sheet metal shell K, and the compression amount of the waterproof foam paste is 0.5mm. Thus, the sealing effect is effectively improved.

The protection device B of the present embodiment further includes a protection film (not shown but not easily understood) attached to the outside of the sheet metal case K and capable of covering the observation port K0. The protective film may be any commercially available transparent plastic film product. In addition, the thickness of the sheet metal shell K is 1.5mm thick, and the distance between the protective film and the base layer 1 is not only capable of not affecting the display effect, but also capable of perfectly providing a certain soft buffer protection display screen, so that the conventional touch and bump are difficult to break through the protection of the layer; even with sufficient force to break through the soft cushioning, the base layer 1 (acrylic plate) also provides a strong hard protection capability, double-pipe multiple protection, extremely long service life of these products and tolerance to environmental severity.

Therefore, the present embodiment has the following advantages:

1. on one hand, the sealing fit among the base layer, the sealing layer and the sheet metal shell is realized, so that the sealing performance between the sheet metal shell and the display screen is realized, and dust and water vapor are effectively isolated;

2. through the sealing fit among the base layer, the shading layer and the display screen, the astigmatism of the backlight plate is effectively blocked, the light leakage at the edge of the display screen is avoided, and the display of the screen is ensured to be clear;

3. the black silk-screen layer is adopted as the shading layer, so that the shading effect is good, the gap between the base layer and the display screen can be greatly reduced, and the bad phenomenon of moire is avoided;

4. a gap is reserved between the side edge of the second through hole and the display area, so that shielding of the sealing layer in any observing direction is reduced, and clear observation is ensured;

5. on the premise of not affecting the display effect, a certain soft buffer protection display screen can be perfectly provided.

The present utility model has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present utility model and to implement the same, but not to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. Protection device suitable for panel beating product display screen, display screen subassembly are located the inboard of product panel beating shell, just still be formed with on the panel beating shell with display screen subassembly's display area assorted viewing aperture, its characterized in that: the protection device comprises a base layer made of transparent materials, and a shading layer and a sealing layer which are respectively compounded on the inner side and the outer side of the base layer, wherein the shading layer and the sealing layer are respectively provided with a first through hole and a second through hole, when the protection device is assembled, the sealing layer is sealed and attached to the inner side of the sheet metal shell, the shading layer is sealed and attached to the periphery of a display area, and orthographic projection of the first through hole and the second through hole on the display area can cover the display area.

2. The protection device for a sheet metal product display screen of claim 1, wherein: the first through holes are square holes, and when the display device is assembled, the inner side edges of the first through holes are aligned with the side edges of the display area one by one.

3. The protection device for a sheet metal product display screen of claim 1, wherein: the shading layer is adhered to the periphery of the display area from the inner side through double faced adhesive tape.

4. The protection device for a sheet metal product display screen of claim 1, wherein: the shading layer is a silk screen printing layer arranged on the inner side of the base layer.

5. The protection device for a sheet metal product display screen of claim 1, wherein: the second through hole is a square hole, when the display device is assembled, the projection of the display area on the sealing layer is positioned in the second through hole, and the distance between the inner side edge of the second through hole and the side edge corresponding to the projection of the display area is 1-2 mm.

6. The protection device for a sheet metal product display screen of claim 1, wherein: the sealing layer is a waterproof foam cotton patch adhered to the outer side of the base layer, and the edge of the waterproof foam cotton patch is flush with the edge of the base layer.

7. The protective device for a sheet metal product display of claim 6, wherein: the thickness of the waterproof foam patch is 0.8-1.2 mm.

8. The protective device for a sheet metal product display of claim 7, wherein: the display screen component is fixedly connected with the sheet metal shell, the waterproof foam is abutted against the inner side of the sheet metal shell, and the compression amount of the waterproof foam is 0.4-0.6 mm.

9. The protection device for a sheet metal product display screen of claim 1, wherein: the base layer is an acrylic plate, and the thickness of the acrylic plate is 0.8-1.2 mm.

10. The protection device for a sheet metal product display screen of claim 1, wherein: the protection device further comprises a transparent protection film which is attached to the outer side of the sheet metal shell and can cover the observation port.