Desktop far image display device with openable and closable light shield

Abstract

The utility model discloses a desktop remote image display device with an openable and closable light shield, which comprises a host and the light shield, a remote amplification optical system is arranged in a shell of the host, and a window is arranged on the front side of the shell; the light shield comprises a top light shield plate and two side light shield plates; the rear end of the top shading plate is rotatably connected with the top end of the shell, and the top shading plate can rotate in the direction close to or away from the window; the two side shading plates are arranged on the two sides of the top shading plate respectively, and the upper side edges and the lower side edges of the side shading plates are connected with the top shading plate and the host respectively; the side shading plates can be folded, and in the opening and closing process of the top shading plate, the side shading plates can be switched between the unfolded state and the folded state. The light shield can be opened and closed, the desktop remote image display equipment can be conveniently stored and transported, and the window can be dustproof and protected.

Description

Technical Field

[0001] The utility model relates to a desktop telescopic image display device with an openable and closable light shield. Background Art

[0002] In recent years, telescopic display devices have been promoted and applied in daily life as desktop office equipment or desktop reading equipment. Telescopic display devices can magnify the image of the built-in display screen to a position close to infinity, delaying the user's visual fatigue and achieving myopia prevention and control.

[0003] Most of the windows of existing desktop telescopic display devices are tilted. Due to the large window area, during the use of the desktop telescopic display device, the stray light interference caused by the reflection of external light on the window surface is relatively obvious, which not only affects the image quality, but also the reflected light and glare are easy to hurt the eyes; therefore, it is necessary to set a light shield for the desktop telescopic display device. At present, desktop telescopic display devices usually use fixed light shields, which need to occupy a large space during transportation and storage. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a desktop telescopic image display device with an openable and closable light shield.

[0005] In order to achieve the above technical objectives, the utility model adopts the following technical solutions:

[0006] A desktop telescopic image display device with an openable and closable shading cover comprises a host and a shading cover, wherein:

[0007] The host comprises a housing and a telephoto magnifying optical system arranged inside the housing, and a viewing window is arranged on the front of the housing;

[0008] The light shield includes a top light shielding plate and two side light shielding plates; the rear end of the top light shielding plate and the top end of the shell are rotatably connected, and the top light shielding plate can be rotated toward or away from the window; the two side light shielding plates are respectively arranged on both sides of the top light shielding plate, and the upper side edges and the lower side edges of the side light shielding plates are respectively connected to the top light shielding plate and the host; the side light shielding plates are foldable, and during the opening and closing process of the top light shielding plate, the side light shielding plates can be switched between an unfolded state and a folded state.

[0009] Preferably, each side shading plate comprises an upper support plate and a lower support plate, the upper support plate is rotatably connected to the side edge of the top shading plate, the upper support plate is rotatably connected to the lower support plate, and the lower support plate is rotatably connected to the side edge of the housing;

[0010] When the light shield is opened, the upper support plate and the lower support plate are unfolded between the main unit and the top light shield; when the light shield is closed, the upper support plate and the lower support plate are rotated to overlap and are located between the top light shield and the window, and the top light shield covers the window.

[0011] Preferably, the upper support plate and the lower support plate are connected by a flexible material.

[0012] Preferably, the upper support plate and the lower support plate are fan-shaped plates or triangular plates of equal size.

[0013] Preferably, the upper support plate and the lower support plate are provided with notches near the rear end of the top shading plate;

[0014] Shielding plates are respectively arranged on both sides of the top shading plate and near the rear end, and the shielding plates shield the gap from the outside. A space for inserting the shielding plates is arranged at the top of the shell.

[0015] Preferably, an upper connecting plate is provided on the upper side of the upper supporting plate, the upper supporting plate and the upper connecting plate are rotatably connected, and the upper connecting plate is engaged and fixed with the top shading plate;

[0016] A lower connecting plate is arranged on the lower side of the lower supporting plate, the lower supporting plate and the lower connecting plate are rotatably connected, and the lower connecting plate is fixedly engaged with the front side of the mainframe.

[0017] Preferably, the upper connecting plate, the upper supporting plate, the lower supporting plate and the lower connecting plate are fixed in position and rotatably connected to each other by the same flexible material.

[0018] Preferably, a lower surface of the top shading plate is provided with a receiving space for the upper supporting plate and the lower supporting plate in an overlapping state to be embedded.

[0019] Preferably, a camera is disposed on the lower surface of the top sunshade.

[0020] Preferably, a space for accommodating the camera's driving circuit and connecting wires is provided in the top light shielding plate, and corresponding openings are provided at the rear end of the top light shielding plate and the top end of the outer shell for the connecting wires to enter the inner part of the outer shell from the top light shielding plate.

[0021] Preferably, one or more control buttons are arranged on the outside of the top shading plate, and the control buttons are connected to the camera for realizing a switch function or focus control.

[0022] Preferably, a position adjustment mechanism is provided on the outside of the top sunshade for adjusting the position and / or illumination angle of the camera.

[0023] Preferably, a lighting element is provided on the front side of the housing for lighting forward and downward.

[0024] Preferably, a concave space is provided on the surface of the front portion of the housing facing the top shading plate, for accommodating the camera when the shading cover is closed.

[0025] Preferably, the top shading plate and the rear shell of the housing have symmetrical contour shapes, and the length and / or width of the rear shell are greater than the length and / or width of other parts of the housing.

[0026] Preferably, a bracket is further included, and the top end of the bracket is used to be fixed to a base arranged at the bottom of the shell.

[0027] The utility model provides a desktop telescopic image display device with an openable and closable shading hood, wherein the shading hood comprises a top shading plate and two foldable side shading plates, wherein the rear end of the top shading plate is rotatably connected to the top end of the housing, and the top shading plate can rotate relative to the host; the two side shading plates are respectively arranged on both sides of the top shading plate, and the upper side edges and the lower side edges of the side shading plates are respectively connected to the top shading plate and the host; during the opening and closing process of the top shading plate, the side shading plates can be switched between an unfolded state and a folded state. The above desktop telescopic image display device has a shading hood that can be closed when not in use, does not occupy space, is convenient for storage and transportation, and has a protective effect on the window. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic diagram of a desktop telescopic display device in a closed state of the visor;

[0029] Figure 2 is a schematic diagram of a desktop telescopic display device in a state where a hood is opened;

[0030] Figure 3 It is a schematic diagram of the structure of the sunshade. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0034] like Figure 1 and Figure 2 As shown, the desktop telescopic display device with an openable shading cover provided by the utility model comprises a host 1 and a shading cover 2. The following description is based on the orientation of the desktop telescopic display device facing the user, with the side close to the user as the front and the side away from the user as the back.

[0035] The host 1 includes a wedge-shaped shell that is larger at the top and smaller at the bottom. A window 12 that is tilted upward is arranged on the front of the shell. The shell also includes a side wall 11 and a rear shell 13, and the rear shell 13 is arranged perpendicular to the horizontal plane. A telescopic magnification optical system consisting of a display screen, a beam splitter and a curved reflector is arranged inside the shell; wherein the display screen is arranged facing the beam splitter, the beam splitter and the curved reflector are arranged oppositely, and the beam splitter is arranged close to the window 12; when in use, the display screen emits light in the direction of the beam splitter, at least part of the light is reflected by the beam splitter to the curved reflector, and is reflected back to the beam splitter by the curved reflector, and then at least part of the light passes through the beam splitter and through the window 12 to the exit pupil position for imaging. The telescopic magnification optical system magnifies and projects the image of the display screen through the folded light path composed of the beam splitter and the curved reflector, and presents it through the window 12. The user can see an enlarged virtual image of at least 3 meters away and at least 30 inches at the exit pupil position in front of the beam splitter, which enables the user to continue to see far during use.

[0036] The desktop telescopic display device has a tilted window 12, and an openable shade 2 is provided on the upper side and the front side of the window 12 to block ambient light from the side and the top to the window 12, so as to reduce reflected stray light and glare. Figure 1 As shown, the sunshade can be folded and closed when not in use, does not take up space, and, as shown in Figure 2 As shown, the sunshade can be opened when in use to block the strong light from the top and the side to the viewing window 12. In addition, the sunshade can cover the viewing window 12 when in a folded state, and the viewing window 12 has a protective effect.

[0037] Specifically, if Figure 2 and Figure 3 As shown, the sunshade 2 includes a top sunshade 21 and two foldable side sunshades 22. The rear end of the top sunshade 21 is rotatably connected to the top of the host 1 so that the top sunshade 21 can rotate toward or away from the window 12. Preferably, the maximum rotation angle of the top sunshade 21 relative to the window 12 is not less than 50 degrees and not more than 90 degrees. The two side sunshades 22 are respectively arranged on both sides of the top sunshade 21, and the two side edges (upper side edge and lower side edge) of the side sunshade 21 are respectively connected to the top sunshade 21 and the host 1, and the side sunshades 22 are foldable. In the process of opening and closing the top sunshade 21, the side sunshades 22 can switch between the unfolded state and the folded state.

[0038] like Figure 1 As shown, in this embodiment, the overall contour shape of the top light shielding plate 21 is symmetrical to the overall contour shape of the rear shell 13. Preferably, the length and / or width of the top light shielding plate 21 and the rear shell 13 are both slightly larger than the length and / or width of other parts of the housing 1 located therebetween, so that when the light shield is closed, a symmetrical book-like shape is formed.

[0039] like Figure 3 As shown, each side shading plate 22 includes an upper support plate 221 and a lower support plate 222, the upper side edge of the upper support plate 221 is rotatably connected to one side edge of the top shading plate 21, the upper support plate 221 is rotatably connected to the lower support plate 222, and the lower side edge of the lower support plate 221 is rotatably connected to one side edge of the housing. When the shading cover 2 is opened, the upper support plate 221 and the lower support plate 222 are unfolded between the host 1 and the top shading plate 21, and the shading cover 2 realizes the shading effect; in the process of closing the shading cover 2, the upper support plate 221 and the lower support plate 222 are respectively rotated inward until they rotate to the overlapping state, and when the shading cover 2 is closed, the upper support plate 221 and the lower support plate 222 are mutually overlapped and located between the top shading plate 21 and the window 12, and the top shading plate 21 covers the window 12, which has the effect of protecting and dustproofing the window 12. Preferably, a receiving space 27 is provided on the lower surface of the top shading plate 21 for the upper supporting plate 221 and the lower supporting plate 222 in an overlapping state to be embedded.

[0040] In this embodiment, the upper support plate 221 and the lower support plate 222 can be connected by a flexible material; an upper connecting plate is provided on the upper side of the upper support plate 221, the upper support plate 221 and the upper connecting plate are rotatably connected, and the upper connecting plate is fixedly engaged with the top shading plate 21; a lower connecting plate 223 is provided on the lower side of the lower support plate 222, the lower support plate 222 and the lower connecting plate 223 are rotatably connected, and the lower connecting plate 223 is fixedly engaged with the front side of the host 1. The structure of the upper connecting plate is the same as that of the lower connecting plate 223. The above-mentioned two connecting plates and the two support plates can also be connected by a flexible material. For example, the upper support plate 221, the lower support plate 222 and the two connecting plates can be fixed in position and rotatably connected to each other by the same piece of cloth, leather material or flexible metal material.

[0041] In the upper part of the housing 1, narrow and long mounting holes are respectively provided on the left and right sides of the window 12 for realizing the clamping and fixing of the two lower connecting plates 223. Narrow and long mounting holes are respectively provided on the lower surface of the top shading plate 21 near the left and right sides for realizing the clamping and fixing of the two upper connecting plates.

[0042] The upper support plate 221 and the lower support plate 222 can be fan-shaped plates or triangular plates of equal size. Preferably, a notch is provided at the upper support plate 221 and the lower support plate 222 near the rear end of the top light shielding plate 21 to facilitate the folding of the side light shielding plate 22; shielding plates 223 are respectively provided on both sides of the lower part of the top light shielding plate 21 and near the rear end, and the shielding plates 223 are fixedly connected to the top light shielding plate 21, and the shielding plates 223 shield the notch from the outside, and a space for inserting the shielding plates 223 is provided at the top of the housing 1.

[0043] In order to expand the usage scenarios of desktop telescopic display devices so that they can cover learning scenarios such as students reading and writing, the desktop telescopic display device is equipped with a camera, so as to realize real-time image acquisition and input functions, increase the frequency of students' use in learning, and increase the time students spend looking into the distance during the learning process.

[0044] In this embodiment, a camera 23 is provided on the lower surface of the top shading plate 21. The camera 23 is provided at a position near the front end of the top shading plate 21, so as to realize image acquisition of the area in front of the desktop telescopic display device. A space for accommodating the driving circuit and connecting wires of the camera is provided in the top shading plate 21, and an opening 26 is provided at the rear end of the top shading plate 21 for the connecting wires to extend out. By providing an opening corresponding to the opening 26 at the top of the shell for the connecting wires to enter, the wiring work of the connecting wires from the top shading plate 21 to the inside of the shell is realized, and the connection between the camera 23 and the control circuit of the host 1 is realized. A plurality of control buttons 24 are also provided on the outside of the top shading plate 21, and the control buttons 24 are connected to the camera 23 for realizing the switch function or focus control. Preferably, a posture adjustment mechanism 25 is also provided on the outside of the top shading plate 21 for adjusting the position and / or illumination angle of the camera 23.

[0045] Preferably, a concave space 14 with a bottom surface lower than the viewing window 12 is provided on the surface of the front portion of the housing facing the top shading plate 21 , for accommodating the camera 23 when the shading cover 2 is closed.

[0046] A lighting element 15 is arranged on the front side of the housing for lighting forward and downward to provide supplementary lighting for the camera 23 .

[0047] Preferably, a base 16 is provided at the bottom of the housing. The desktop telescopic display device can be directly placed on the desktop through the base 16. Alternatively, the desktop telescopic display device can also be connected to the bracket through the base 16, the top of the bracket is fixed to the base 16, and the desktop telescopic display device is placed on the desktop through the bracket. The height of the desktop telescopic display device can be adjusted through the bracket to adapt to users of different heights.

[0048] In summary, the utility model provides a desktop telescopic image display device with an openable and closable shading hood, wherein the shading hood includes a top shading plate and two foldable side shading plates, wherein the top shading plate can rotate relative to the host, and after the shading hood is opened, the side shading plates are unfolded between the top shading plate and the host, and the shading hood realizes the shading effect; after the shading hood is closed, the side shading plates are folded between the top shading plate and the host, and the top shading plate covers the window, which has the effect of protecting and preventing dust from the window. The above-mentioned desktop telescopic image display device has a shading hood that can be closed when not in use, does not take up space, and is convenient for storage and transportation. In addition, the shading hood has a protective effect on the window and can also realize the purpose of daily dust prevention.

[0049] The above is a detailed description of a desktop telescopic display device with an openable shading cover provided by the utility model. For a person skilled in the art, any obvious changes made to the utility model without departing from the essence of the utility model will constitute an infringement of the patent right of the utility model and will bear corresponding legal liabilities.

Claims

1. A desktop telescopic image display device with an openable and closable shading cover, comprising a host and a shading cover, characterized in that: The host comprises a housing and a telephoto magnifying optical system arranged inside the housing, and a viewing window is arranged on the front of the housing; The light shield includes a top light shielding plate and two side light shielding plates; the rear end of the top light shielding plate and the top end of the shell are rotatably connected, and the top light shielding plate can be rotated toward or away from the window; the two side light shielding plates are respectively arranged on both sides of the top light shielding plate, and the upper side edges and the lower side edges of the side light shielding plates are respectively connected to the top light shielding plate and the host; the side light shielding plates are foldable, and during the opening and closing process of the top light shielding plate, the side light shielding plates can be switched between an unfolded state and a folded state.

2. The desktop telescopic image display device according to claim 1, characterized in that: Each side shading plate comprises an upper support plate and a lower support plate, wherein the upper support plate is rotatably connected to the side edge of the top shading plate, the upper support plate is rotatably connected to the lower support plate, and the lower support plate is rotatably connected to the side edge of the housing; Open the light shield, and unfold the upper support plate and the lower support plate between the main unit and the top light shield; The light shield is closed, and the upper support plate and the lower support plate are rotated to an overlapping state and are located between the top light shield and the viewing window, and the top light shield covers the viewing window.

3. The desktop telescopic image display device according to claim 2, characterized in that: The upper support plate and the lower support plate are connected by a flexible material.

4. The desktop telescopic image display device according to claim 2 or 3, characterized in that: The upper support plate and the lower support plate are fan-shaped plates or triangular plates of equal size.

5. The desktop telescopic image display device according to claim 4, characterized in that: The upper support plate and the lower support plate are provided with notches near the rear end of the top light shielding plate; Shielding plates are respectively arranged on both sides of the top shading plate and near the rear end, and the shielding plates shield the gap from the outside. A space for inserting the shielding plates is arranged at the top of the shell.

6. The desktop telescopic image display device according to claim 2 or 3, characterized in that: An upper connecting plate is provided on the upper side of the upper supporting plate, the upper supporting plate and the upper connecting plate are rotatably connected, and the upper connecting plate is engaged and fixed with the top shading plate; A lower connecting plate is arranged on the lower side of the lower supporting plate, the lower supporting plate and the lower connecting plate are rotatably connected, and the lower connecting plate is fixedly engaged with the front side of the mainframe.

7. The desktop telescopic image display device according to claim 6, characterized in that: The upper connecting plate, the upper supporting plate, the lower supporting plate and the lower connecting plate are fixed in position and rotatably connected to each other by the same flexible material.

8. The desktop telescopic image display device according to claim 2, characterized in that: The lower surface of the top shading plate is provided with a receiving space for the upper supporting plate and the lower supporting plate in an overlapping state to be embedded.

9. The desktop telescopic image display device according to claim 1, characterized in that: A camera is arranged on the lower surface of the top shading plate.

10. The desktop telescopic image display device according to claim 9, characterized in that: The top light shielding plate is provided with a space for accommodating the driving circuit and connecting wires of the camera, and corresponding openings are provided at the rear end of the top light shielding plate and the top end of the shell for the connecting wires to enter the shell from the top light shielding plate.

11. The desktop telescopic image display device according to claim 10, characterized in that: One or more control buttons are arranged outside the top shading plate, and the control buttons are connected to the camera to realize the switch function or focus control.

12. The desktop telescopic image display device according to claim 10, characterized in that: A position adjustment mechanism is arranged outside the top sunshade for adjusting the position and / or illumination angle of the camera.

13. The desktop telescopic image display device according to claim 9, characterized in that: The front side of the housing is provided with a lighting element for lighting forward and downward.

14. The desktop telescopic image display device according to claim 9, characterized in that: A concave space is arranged on the surface of the front part of the shell facing the top light shielding plate, and is used for accommodating the camera when the light shielding cover is closed.

15. The desktop telescopic image display device according to claim 1, characterized in that: The top shading plate and the rear shell of the housing have symmetrical contour shapes, and the length and / or width of the rear shell are greater than the length and / or width of other parts of the housing.

16. The desktop telescopic image display device according to claim 1, characterized in that: A bracket is also included, and the top end of the bracket is used to be fixed to a base arranged at the bottom of the shell.

Images