Liquid crystal display screen protection cover plate

Abstract

The utility model belongs to the technical field of protective cover plates, and particularly relates to a liquid crystal display screen protective cover plate which comprises a touch display screen, a device used for installing the touch display screen and a cover plate body installed on the device and used for protecting the touch display screen, and the cover plate body is composed of an outer cover plate body and an inner cover plate body. A protection base located on the periphery of the touch display screen is installed on the equipment, a fixed-distance hinge is installed between the protection base and the outer cover plate, the outer cover plate is detachably connected with the fixed-distance hinge, the inner cover plate is detachably matched with the outer cover plate in a telescopic mode, and the outer cover plate and the inner cover plate are both transparent components. It can be understood that firstly, the cover plate is arranged to be of a split type structure, reliable protection can be formed on the touch display screen after the cover plate is unfolded, the protruding length on equipment can be reduced by folding the cover plate when the cover plate is opened, safety is higher, meanwhile, protection can be formed above the touch display screen, secondly, the outer cover plate and the inner cover plate are both of a quick disassembly and assembly structure, and can be disassembled for deep cleaning, and the structure is simple and convenient. The definition is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of protective cover plate, especially relates to a liquid crystal display screen protective cover plate. BACKGROUND

[0002] The liquid crystal display screen protective cover plate is mainly used for ensuring the durability and definition of the screen, some liquid crystal display screens installed on mechanical equipment will accumulate stains on the surface of the display screen due to the influence of the working environment, and the display screen needs to be used for adjusting equipment parameters, and the start and stop of the equipment are controlled by separate switches, so that the touch display screen is mostly used for observing data, and is only started and used when the parameters need to be adjusted, the transparent protective cover plate can protect the liquid crystal touch display screen when the parameters are not adjusted, and display data can be directly observed, so that the durability and definition of the screen are ensured.

[0003] However, the existing protective cover plate is of a single structure, dust can be prevented from the top of the display screen when the protective cover plate is opened, but the protective cover plate has a certain length, and bumping is prone to occur.

[0004] Meanwhile, a large amount of oil is used in some production workshops, and the oil mist mixed in the air by workers can directly adhere to the transparent protective cover plate, and the oil stains on the cover plate cannot be effectively removed by wiping, especially the corner part, and the clarity of the display through the cover plate is affected if the corner part cannot be completely cleaned, so that the workers cannot clearly obtain the display data, and the use is affected.

[0005] To solve the above problems, the liquid crystal display screen protective cover plate is provided. INVENTION CONTENTS

[0006] The utility model discloses a liquid crystal display screen protective cover plate, which solves the problems in the background art.

[0007] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0008] The utility model discloses a liquid crystal display screen protective cover plate, which includes a touch display screen, an equipment for installing the touch display screen, and a cover plate installed on the equipment and protecting the touch display screen, the cover plate is composed of an outer cover plate and an inner cover plate, a protective seat located at the periphery of the touch display screen is installed on the equipment, a distance hinge is installed between the protective seat and the outer cover plate, the outer cover plate is detachably connected with the distance hinge, the inner cover plate is detachably telescopic with the outer cover plate, and the outer cover plate and the inner cover plate are both transparent components.

[0009] Further, both ends of the inner side of the outer cover plate are provided with sliding rails, and both ends of the outer side of the inner cover plate are provided with sliding grooves in sliding cooperation with the sliding rails.

[0010] Further, the slide rail is internally provided with a limiting groove, and a sliding block elastically arranged at one end of the slide groove close to the outer cover plate and sliding in the limiting groove.

[0011] Further, the outer cover plate is provided with a connecting hole and a positioning hole at one end close to the distance hinge, the distance hinge is fixed with an adapter plate at an end away from the holder, the adapter plate is fixed with elastic sheet clamping blocks symmetrically arranged and inserted into the connecting hole, and the elastic sheet clamping blocks are inserted into the connecting hole and clamped with the outer cover plate.

[0012] Further, the adapter plate is further fixed with a positioning pin inserted into the positioning hole.

[0013] Further, the inner cover plate slides in the inner side of the outer cover plate, and the outer cover plate and the inner cover plate protrude in front of the display part of the touch display screen.

[0014] Further, the distance hinge is at least two groups.

[0015] The utility model has the following beneficial effects:

[0016] The utility model discloses a telescopic structure of the outer cover plate and the inner cover plate, and when the cover plate is opened, the outer cover plate and the inner cover plate are contracted, the protruding length of the cover plate at the front end of the equipment is shortened, and protection is formed above the touch display screen.

[0017] The utility model discloses that the outer cover plate and the inner cover plate are all set up into quick installation and removal structure, and the quick removal structure can conveniently and completely clean the oil dirt, dust and the like accumulated on the surface, and then guarantee information display definition while forming protection to the touch display screen.

[0018] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0020] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0021] Figure 2 It is Figure 1 It is the structure schematic diagram when the middle cover plate is opened and folded;

[0022] Figure 3 It is Figure 2 It is the structure schematic diagram of the bottom view;

[0023] Figure 4 For Figure 1 Structure diagram of exploded view of middle housing and cover plate part;

[0024] Figure 5 For Figure 4 Structure diagram of side view;

[0025] Figure 6 For Figure 1 Structure diagram of side view half section;

[0026] Figure 7 For Figure 1 Structure diagram of main view local half section of connection between middle distance hinge and cover plate;

[0027] In the drawings, the components represented by each reference numeral are listed as follows:

[0028] In the drawings: 1, device; 2, touch display screen; 3, housing; 4, outer cover plate; 41, sliding rail; 42, limiting groove; 43, connecting hole; 44, positioning hole; 5, inner cover plate; 51, sliding groove; 52, sliding block; 6, distance hinge; 61, adapter plate; 62, elastic piece clamping block; 63, positioning pin. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In the description of the present application, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0031] Please refer to Figures 1-7As shown, the utility model is a kind of liquid crystal display protective cover plate, including touch display screen 2 and the equipment 1 for installing touch display screen 2, and the cover plate of installing on equipment 1 and protecting touch display screen 2, cover plate is by outer cover plate 4 and inner cover plate 5, equipment 1 is installed with the protective seat 3 of touch display screen 2 periphery, protective seat 3 is equipped with fixed-distance hinge 6 between outer cover plate 4, outer cover plate 4 can be detached with fixed-distance hinge 6 connection, inner cover plate 5 can be detached with outer cover plate 4 telescopic cooperation, outer cover plate 4 and inner cover plate 5 are all transparent components.

[0032] Wherein, the both ends of the inner side of outer cover plate 4 are provided with slide rails 41, and the both ends of the outer side of inner cover plate 5 are provided with sliding grooves 51 slidingly matched with the slide rails 41; in the embodiment, the contact ends of the slide rails 41 and the sliding grooves 51 are both provided with openings, facilitating the disassembly and cleaning of the outer cover plate 4 and the inner cover plate 5.

[0033] Wherein, the inner side of the slide rail 41 is provided with a limiting groove 42, and one end of the sliding groove 51 close to the outer cover plate 4 is elastically provided with a sliding block 52 clamped and sliding in the limiting groove 42; in the embodiment, the cooperation of the limiting groove 42 and the sliding block 52 not only limits the telescopic range of the outer cover plate 4 and the inner cover plate 5, but also enables the sliding block 52 to be pressed and separated from the limiting groove 42, facilitating the disassembly and cleaning of the outer cover plate 4 and the inner cover plate 5, and high flexibility in use.

[0034] Wherein, the outer cover plate 4 is provided with a connecting hole 43 and a positioning hole 44 at one end close to the fixed-distance hinge 6, the fixed-distance hinge 6 is fixedly provided with an adapter plate 61 at one end away from the protective seat 3, the adapter plate 61 is fixedly provided with elastic sheet clamping blocks 62 symmetrically arranged and inserted into the connecting hole 43, the elastic sheet clamping blocks 62 pass through the connecting hole 43 and are clamped with the outer cover plate 4; in the embodiment, the connecting hole 43 and the elastic sheet clamping blocks 62 are symmetrically arranged in pairs, and when disengaged, the two elastic sheet clamping blocks 62 are manually pressed inward at the same time to disengage the clamping with the outer cover plate 4.

[0035] Wherein, the adapter plate 61 is further fixedly provided with a positioning pin 63 inserted into the positioning hole 44; in the embodiment, the cooperation of the positioning hole 44 and the positioning pin 63 is set, and the two are tightly inserted, thereby enhancing the connection stability of the outer cover plate 4 and the fixed-distance hinge 6.

[0036] Wherein, the inner cover plate 5 slides in the inner side of the outer cover plate 4, and the outer cover plate 4 and the inner cover plate 5 are extended to cover in front of the display part of the touch display screen 2; in the embodiment, the outer cover plate 4 and the inner cover plate 5 form a complete cover plate after being unfolded, and protect in front of the display of the touch display screen 2.

[0037] Wherein, the fixed-distance hinge 6 is at least two groups, in the embodiment, as shown in the figure, Figures 2-3 The fixed-distance hinge 6 can be limited after being opened at a certain angle, in order to facilitate the inner cover plate 5 to retract into the outer cover plate 4 and the operation of the touch display screen 2, the opening angle should not be less than 90°.

[0038] It can be understood that the cover plate is first arranged in a split structure, can reliably protect the touch display screen after unfolding, can reduce the protruding length on the device when being opened, is safer, and can form protection above the touch display screen. In addition, the outer cover plate and the inner cover plate are quick dismounting structures, can be dismounted for deep cleaning, and ensure the clarity.

[0039] One specific application of the embodiment is as shown in the figure. Figure 1 As shown in the figure, the cover plate is in a protection state of the touch display screen 2. When it is necessary to adjust the parameters on the touch display screen 2, the outer cover plate 4 and the inner cover plate 5 are opened upward through the fixed-distance hinge 6. The fixed-distance hinge 6 is automatically positioned after being opened by a certain angle. At this time, the inner cover plate 5 is pushed to the inner side of the outer cover plate 4. The sliding groove 51 slides along the sliding rail 41. The sliding block 52 slides in the limiting groove 42 until the outer cover plate 4 and the inner cover plate 5 are in the state as shown in the figure. Figures 2-3

[0040] Dismounting of the outer cover plate 4, the inner cover plate 5 and the fixed-distance hinge 6:

[0041] When dismounting, the positioning pin 63 is simultaneously pinched and caused to be separated from the outer cover plate 4 in the opened state of the cover plate. The positioning pin 63 is separated from the positioning hole 44. The outer cover plate 4 can be separated from the connection of the adapter plate 61. The sliding block 52 is pressed inward from both sides in the extended state of the outer cover plate 4 and the inner cover plate 5 until the sliding block 52 is separated from the limiting groove 42. The inner cover plate 5 can be dismounted from the outer cover plate 4.

[0042] When mounting, the outer cover plate 4 and the inner cover plate 5 are inserted along the sliding rail 41 and the sliding groove 51. At this time, the sliding block 52 is automatically clamped into the limiting groove 42 under the action of the front end chamfer and the elasticity. The connection of the outer cover plate 4 and the inner cover plate 5 can be completed. The limiting groove 42 and the connecting hole 43 are inserted with the elastic piece clamping block 62 and the positioning pin 63. The positioning pin 63 is clamped in the inner side of the outer cover plate 4. The positioning pin 63 is tightly inserted with the connecting hole 43 and is attached. The installation between the outer cover plate 4, the inner cover plate 5 and the fixed-distance hinge 6 can be completed.

[0043] In the description of the present specification, the description of the terms “one embodiment”, “example”, “specific example” and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] ​The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A liquid crystal display screen protection cover plate, comprising a touch display screen (2) and a device (1) for mounting the touch display screen (2), and a cover plate mounted on the device (1) and protecting the touch display screen (2), characterized in that: The cover plate is composed of an outer cover plate (4) and an inner cover plate (5), the device (1) is provided with a protective seat (3) located at the periphery of the touch display screen (2), a fixed-distance hinge (6) is arranged between the protective seat (3) and the outer cover plate (4), the outer cover plate (4) is detachably connected with the fixed-distance hinge (6), and the inner cover plate (5) is detachably and telescopically matched with the outer cover plate (4), and the outer cover plate (4) and the inner cover plate (5) are both transparent components.

2. The protective cover sheet for a liquid crystal display screen according to claim 1, wherein: Both ends of the inner side of the outer cover plate (4) are provided with slide rails (41), and both ends of the outer side of the inner cover plate (5) are provided with slide grooves (51) in sliding cooperation with the slide rails (41).

3. The protective cover sheet for a liquid crystal display screen according to claim 2, wherein: The slide rail (41) is provided with a limiting groove (42) on the inner side, and the slide groove (51) is elastically provided with a sliding block (52) which is clamped in the limiting groove (42) at one end close to the outer cover plate (4).

4. The protective cover sheet for a liquid crystal display screen according to claim 1, wherein: The outer cover plate (4) is provided with a connecting hole (43) and a positioning hole (44) at one end close to the fixed-distance hinge (6), the fixed-distance hinge (6) is fixedly provided with an adapter plate (61) at one end away from the protective seat (3), the adapter plate (61) is fixedly provided with elastic sheet clamping blocks (62) which are symmetrically arranged and are inserted into the connecting hole (43), and the elastic sheet clamping blocks (62) are inserted into the connecting hole (43) and clamped with the outer cover plate (4).

5. The protective cover sheet for a liquid crystal display screen according to claim 4, wherein: The adapter plate (61) is further fixedly provided with a positioning pin (63) which is inserted into the positioning hole (44).

6. The protective cover sheet for a liquid crystal display screen according to claim 1, wherein: The inner cover plate (5) is slid in the inner side of the outer cover plate (4), and the outer cover plate (4) and the inner cover plate (5) are extended to cover the front of the display part of the touch display screen (2).

7. The protective cover plate for a liquid crystal display screen according to claim 1, wherein: The fixed-distance hinge (6) is at least two groups.

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