CN111785179A

CN111785179A - Portable display device

Info

Publication number: CN111785179A
Application number: CN202010780178.8A
Authority: CN
Inventors: 王宁; 刘怡彤
Original assignee: Onumen Technology Co ltd
Current assignee: Onumen Technology Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2020-10-16

Abstract

The invention discloses a portable display device which comprises at least one display box, wherein the display box comprises a box body, a screen assembly which can be folded and stored in the box body or unfolded, and a supporting assembly which is arranged in the box body and forms a supporting assembly with the box body for supporting the screen assembly. The invention can support the screen assembly which is folded and placed in the box body by taking the box body and the supporting assembly arranged in the box body as the support of the screen assembly, and meanwhile, a plurality of screen assemblies can be connected and combined through the connecting assembly to form a whole display surface, thereby greatly improving the area of the display surface, and the transportation is more convenient by taking the box body as a main carrier, so that more people can watch specific pictures when temporarily setting up a site for demonstrating relevant information.

Description

Portable display device

Technical Field

The invention relates to the field of display, in particular to a portable display device.

Background

An LED display (LED display) is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, image, video, and video signals.

The existing display screen can be roughly divided into two types according to the size, one type is a large-scale display screen, information such as advertisements is put on a general fixed wall facing a street, the other type is a small-scale display screen, the display screen is widely applied to various electronic equipment, in some specific use scenes, if in a business travel process, a site is required to be temporarily set up to demonstrate related information, the effect displayed by the small screen cannot meet the actual requirement, and the large-scale display screen is not convenient to move.

Disclosure of Invention

In order to solve the technical problems in the prior art, the present invention provides a portable display device.

The technical scheme adopted by the invention is as follows:

the invention provides a portable display device which comprises at least one display box, wherein the display box comprises a box body, a screen assembly which can be folded and stored in the box body or unfolded, and a supporting assembly which is arranged in the box body and forms a supporting assembly with the box body for supporting the screen assembly.

The screen assembly includes: the multiple sub-screens are arranged in an array after being unfolded, and the connecting edges of two adjacent sub-screens are connected through a hinge.

Furthermore, when the screen assemblies are unfolded, the box body is horizontally placed or vertically placed to support the supporting assemblies, each supporting assembly is provided with one screen assembly, and the screen assemblies of the display boxes are connected through the connecting assembly after being gathered together to form a display surface by the sub-screens.

Further, the box includes that one side open-ended body and lid are adorned in the case lid on the opening, the supporting component includes: the screen protection box comprises a hinged seat arranged on the inner wall of one end of a body, a hand push rod with one end connected with the hinged seat and capable of rotating towards the outside of the body, a connecting rod detachably connected with the other end of the hand push rod, a cross beam arranged on the connecting rod and capable of being fixed with a screen component, and a fastener sleeved on the hand push rod and capable of buckling the screen protection box, wherein the cross beam is connected with a sub-screen of the screen component in a row in the transverse direction.

The fastener includes: the cover can follow the gliding lantern ring of connecting rod on the connecting rod, two are fixed on the lantern ring respectively towards the protection strip that body both sides extended, its both ends and the bail lock joint on the body inner wall of protection strip after the lantern ring slides.

The support assembly further includes: and one end of each supporting bar is connected with the hand push rod which rotates outwards of the body and is perpendicular to the body, and the other end of each supporting bar is connected to the body.

Preferably, the support assembly further comprises: one end of the steel wire is fixed with the hand push rod, and the other end of the steel wire is supported on the ground.

The coupling assembling includes: the first connecting piece is connected with two adjacent beams, and the second connecting piece is connected with two adjacent unfolded screen assemblies.

Furthermore, a plurality of connecting holes are formed in the second connecting sheet, a connecting buckle is arranged on the back face of each sub-screen in a row of sub-screens at the edge, and the second connecting sheet is sleeved on the connecting buckles of the plurality of sub-screens and slides along the direction of reducing the connecting holes to enable two adjacent screen assemblies to be spliced.

The outer wall of body one end is equipped with pulley and supporting legs, the one end and the body of supporting legs are articulated, and the other end is equipped with the truckle.

Compared with the prior art, the foldable screen assembly has the advantages that the support taking the box body and the support assembly arranged in the box body as the screen assembly can support the screen assembly which is folded and placed in the box body, meanwhile, the plurality of screen assemblies can be connected and combined through the connecting assembly to form a whole display surface, the area of the display surface is greatly increased, the box body is taken as a main carrier, transportation is more convenient, and more people can watch specific pictures when relevant information is temporarily set up on a site for demonstration.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a case according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a body according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of a pick-and-place screen assembly within the body according to an embodiment of the present invention;

FIG. 5 is a schematic structural view illustrating a connection state of a support assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram illustrating a connection state between a screen assembly and a support assembly according to an embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a schematic structural diagram illustrating the connection status of multiple screen assemblies according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of an embodiment of the present invention showing an open and closed state of a leg at one end of the body;

FIG. 10 is a schematic view of a support assembly in a connected state according to another embodiment of the present invention;

FIG. 11 is a schematic diagram of a single display box according to an embodiment of the present invention;

FIG. 12 is a schematic diagram of a plurality of display boxes according to an embodiment of the present invention;

FIG. 13 is a schematic view of a single display box according to another embodiment of the present invention;

FIG. 14 is a schematic view of a plurality of display boxes according to another embodiment of the present invention;

FIG. 15 is a side view of a display case according to an embodiment of the present invention;

FIG. 16 is a side view of a display case according to another embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.

As shown in fig. 1 to 4, the present invention provides a portable display device including at least one display box, each display box including: box 3, screen assembly 1, control box 8 and supporting component 2, supporting component 2 installs on box 3, screen assembly 1 is the sub-screen 11 that the array was arranged after expanding by the polylith and constitutes, connect through the articulated elements between two adjacent sub-screens 11, make screen assembly 1 fold or expand, screen assembly 1 after folding can directly place in box 3, 3 vertical backs of putting immediately of box, the screen assembly 1 mountable after the expansion shows on supporting component 2, wherein, place a screen assembly 1 in every box 3, during the use, set up a plurality of boxes 3 side by side, make the screen assembly 1 accessible coupling assembling that expands on the supporting component 2 that corresponds with every box 3 connect and constitute same display surface. The box body is used as a main carrier, so that the transportation is more convenient, the box body can be jointly built into the same large screen after being unfolded, the display surface is greatly improved, and more people can watch specific pictures when temporarily setting up site demonstration related information.

The foldable screen assembly comprises a screen protection box 4, wherein the screen assembly 1 is placed in the screen protection box 4 after being folded, so that the screen is prevented from being in direct contact with other assemblies in a box body 3 to protect the screen, and the screen protection box 4 is placed in the box body and fixed through a supporting assembly 2. In a specific embodiment, each row of each screen assembly 1 is provided with 4 sub-screens 11, each column is provided with 8 sub-screens 11, and only a hinge can be arranged between two adjacent sub-screens of each column.

The box 3 includes a body 31 with an opening on one side and a box cover 32 covering the opening, and the support assembly 2 specifically includes: the hinge base 21, the hand push rod 22, the connecting rod 29, the cross beam 23, the steel wire 27 and the fastener, the hinge base 21 is fixed on the inner wall of one end of the body 31 through screws, one end of the hand push rod 22 is connected with the hinge base 21, swing around the hinge point of the hinge seat 21, so that the hand push rod 22 can be blocked on the opening side of the body 31 to protect the components inside the body 31, and also swing towards the outside of the body 31 to take out the components inside the body 31, the other end of the hand push rod 22 is connected with the connecting rod 29 through a buckle, the end of the connecting rod 29 is provided with a cross beam 23 perpendicular to the hand push rod 22, the cross beam 23 can be fixed with the upper edge of the screen component 1, the transverse unfolding of the screen assembly 1 is kept straight, and an included angle is prevented from being formed between two adjacent sub-screens 11; the fastener is sleeved on the hand push rod 22, can fix the hand push rod 22, and is buckled on the screen protection box 4 to prevent the screen protection box 4 from shaking.

In a specific embodiment, a circle of hanging strip 28 with a hook 281 is installed at the upper edge of the back of the unfolded screen assembly 1, the hook 281 can be hung on the cross beam 23, and then the screen assembly is fixed by passing through the cross beam and the hanging strip through screws, so that the installation is convenient, and the screen is prevented from being broken by smashing.

The fastener specifically includes: lantern ring 24 and two protection strip 25, lantern ring 24 cover can be followed connecting rod 29 and slided on connecting rod 29, be equipped with the screw that passes lantern ring 24 on the lantern ring 24, the screw is screwed up when the lantern ring slides to needs position and can be fixed lantern ring 24 on handspike 22, the one end of two protection strip 25 is fixed on lantern ring 24, and the other end extends towards body 31 both sides respectively, the other end of protection strip 25 is equipped with the bayonet socket, along the lantern ring 24 along the staple bolt lock joint on its tip and the body 31 inner wall after handspike 22 slides, rethread screw fixation lantern ring 24, make connecting rod 29 fix the fender completely directly over body 31 opening side, screen assembly 1 can block screen protection case 4 when being accomodate and prevent that screen protection case 4 from rocking.

As shown in fig. 6 to 8, the connecting assembly specifically includes: the display panel is characterized by comprising a plurality of first connecting pieces 71 for connecting two adjacent supporting assemblies 2 and a plurality of second connecting pieces 72 for connecting two adjacent unfolded screen assemblies 1, wherein the first connecting pieces 71 are connected with the end parts of the cross beams 23 of the two adjacent supporting assemblies 2, two ends of each cross beam 23 are connected with the position between the two adjacent sub-screens 11, the cross beams 23 are connected with the first connecting pieces 71, so that a row of sub-screens at the upper edges of a plurality of display boxes arranged side by side are transversely connected, and each row of sub-screens in a whole display surface formed by the screen assemblies of the plurality of display boxes are kept stable and straight; the second connecting sheet 72 is arranged along the longitudinal direction, is connected between two adjacent screen assemblies 1 and is positioned on two adjacent columns of sub-screens at the back sides of the two adjacent screen assemblies, every two adjacent sub-screens 11 in one column of sub-screens 11 are connected through one second connecting sheet 72, so that each column of sub-screens in a whole display surface formed by the screen assemblies of a plurality of display boxes keeps stable and straight, in the specific connection, a connecting buckle is arranged at the back side of each sub-screen 11 in one column of sub-screens 11 at the edge, each second connecting sheet 72 is provided with four connecting holes corresponding to the connecting buckles, the second connecting sheet 72 is sleeved on the connecting buckle and slides along the reducing direction of the connecting holes so that the second connecting sheet 72 is simultaneously attached to the back sides of several sub-screens 11, each second connecting sheet 72 is simultaneously connected with four adjacent sub-screens, and every two sub-screens positioned on the same column are positioned on one screen assembly, so that two adjacent screen assemblies are completely connected together.

As shown in fig. 9, in the present invention, a pair of supporting legs 62 and a pair of pulleys 61 are disposed on the outer side of one end of the body 31 close to the hinge seat, one end of the supporting leg 62 is hinged to the body, and the other end is provided with a caster, so as to support and facilitate the transportation of the box. When the device is not used, the supporting legs 62 can be rotated to the position where the end faces of the body are overlapped by screwing the supporting legs 62, so that the transportation is facilitated. When the screen assembly is used, the screen assembly extends out of the body in a rotating mode towards two sides of the body, two trundles of the screen assembly form two supporting points, the body 31 of the screen assembly 1 is prevented from being laterally turned, and the stability of the whole structure is guaranteed.

The invention comprises two specific embodiments, one embodiment is as shown in fig. 10, 11 and 12, a plurality of display boxes are vertically placed side by side, a hand push rod is fixed, two supporting feet 62 at the end part of the body are rotated outwards to be opened, and casters are used as supporting points, so that the box bodies are kept stable, after a screen assembly is unfolded, the upper edge of the back surface of the screen assembly is fixed with a cross beam on the hand push rod through screws, so that the display surface of the screen assembly faces back to the body of the box body, meanwhile, the plurality of box bodies are arranged side by side, and the screen assemblies are closed side by side to form a whole display surface for displaying. Meanwhile, a first connecting sheet 71 is additionally arranged between the cross beams of two adjacent connecting assemblies, and second connecting sheets 72 are additionally arranged on two side edges of the back surface of the screen assembly, and the second connecting sheets 72 are simultaneously connected with a plurality of sub-screens, so that the flat state of the screen assembly after being unfolded is ensured. As shown in fig. 15, one end of the wire 27 is connected to the top end of the mounting cross member 23 of the handle bar 22, and the other end is connected to the end of the body 31, thereby forming a stable triangle.

As shown in fig. 5, 13 and 14, the support assembly 2 of the present invention further includes: and one ends of the two support bars 26 are connected to the push rod 22 which is rotated outwards from the body 31 and is perpendicular to the bottom surface of the body 31, the specific position of the support bars is close to the middle part of the support bars, and the other ends of the support bars are connected to two opposite side walls of the body 31. The concrete connection mode is that the screw connection is adopted. The supporting rod is vertically upwards fixed, and meanwhile, the bottom surface of the main body is in contact with the ground to serve as a supporting surface, so that the supporting strength is greatly improved. The screen assembly is unfolded and then fixed with the upper edge of the back of the screen assembly and the cross beam on the hand push rod through screws in the same mode as the first embodiment, meanwhile, the plurality of boxes are arranged side by side, and the screen assembly is drawn close side by side to form a whole display surface for displaying. A first connecting sheet 71 is additionally arranged between the cross beams of two adjacent connecting assemblies, and second connecting sheets 72 are additionally arranged on two side edges of the back surface of the screen assembly, and the second connecting sheets 72 are simultaneously connected with a plurality of sub-screens, so that the flat state of the screen assembly after being unfolded is ensured. As shown in fig. 16, one end of the wire 27 is connected to the top end of the mounting cross member 23 of the handle bar 22, and the other end is connected to the end of the body 31, thereby forming a stable triangle.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The portable display device is characterized by comprising at least one display box, wherein the display box comprises a box body (3), a screen assembly (1) which can be folded and stored in the box body or unfolded, and a supporting assembly (2) which is arranged in the box body (3) and forms a supporting assembly (1) with the box body (3).

2. The portable display device of claim 1, wherein the screen assembly (1) comprises: the multiple sub-screens (11) are arranged in an array after being unfolded, and the connecting edges of two adjacent sub-screens (11) are connected through a hinge.

3. The portable display device according to claim 2, wherein when the screen assembly (1) is unfolded, the box body (3) is horizontally or vertically arranged to support the support assemblies (2), each support assembly is provided with a screen assembly, and the screen assemblies (1) of the plurality of display boxes are connected through the connecting assembly after being gathered together, so that the sub-screens form a display surface.

4. The portable display device according to claim 1, wherein the case (3) includes a body (31) having an opening at one side and a cover (32) covering the opening; the support assembly (2) comprises: install articulated seat (21) on body (31) one end inner wall, the handspike (22) that articulated seat (21) can rotate outside the body is connected to one end, can dismantle connecting rod (29) of being connected with handspike (22) other end, install crossbeam (23) that can fix with screen subassembly (1) on connecting rod (29), the cover can withhold the fastener of screen guard box (4) on handspike (22), crossbeam (23) are connected the one line in the transverse direction sub-screen (11) of screen subassembly.

5. The portable display device of claim 4, wherein the fastener comprises: the lantern ring (24) that can follow connecting rod (29) gliding is overlapped on connecting rod (29), two are fixed and are gone up respectively towards body (31) both sides extension's protection strip (25) on lantern ring (24), its both ends are buckled with the bail on body (31) inner wall along with lantern ring (24) slip back in protection strip (25).

6. The portable display device of claim 4, wherein the support assembly (2) further comprises: one end of each supporting strip (26) is connected with the hand push rod (22) which rotates outwards of the body (31) and is perpendicular to the body (31), and the other end of each supporting strip (26) is connected to the body (31).

7. The portable display device of claim 4, wherein the support assembly (2) further comprises: one end of the steel wire (27) is fixed with the hand push rod (22) and the other end is connected on the body.

8. The portable display device of claim 3, wherein the connection assembly comprises: a first connecting piece (71) connecting two adjacent cross beams (23) and a second connecting piece (72) connecting two adjacent unfolded screen assemblies (1).

9. The portable display device according to claim 8, wherein the second connecting piece (72) is provided with a plurality of connecting holes, the back surface of each sub-screen (11) in the column of sub-screens (11) at the edge is provided with a connecting buckle, and the second connecting piece (72) is sleeved on the connecting buckles of the plurality of sub-screens (11) and slides along the reducing direction of the connecting holes to splice two adjacent screen assemblies (1).

10. The portable display device according to claim 4, wherein the outer wall of one end of the body (31) is provided with a pulley (61) and a support leg (62), the support leg (62) is hinged with the body (31) at one end, and the other end is provided with a caster.