Portable display screen

Abstract

The utility model relates to the technical field of display screens, and provides a portable display screen which is characterized in that the portable display screen comprises a box body, a first screen body, a lifting mechanism and a second screen body, and the first screen body is located in the box body; the lifting mechanism is arranged in the box body, the lifting mechanism is located below the first screen body, and the lifting mechanism is used for driving the first screen body to move up and down; the second screen body is located on one side of the first screen body; the second screen body is hinged to the first screen body, and the lifting mechanism is used for driving the first screen body and the second screen body folded on the back face of the first screen body to ascend to the position above the box body or descend into the box body. By means of the technical scheme, the problems that in the related technology, a display screen cannot be folded generally, the occupied space is large in the carrying and storing process, and the display screen is prone to being collided and damaged are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, and in particular to a portable display screen. Background Art

[0002] LED display screens can display various types of text, graphics, images, animations, and video information, and are widely used in commercial advertising, cultural and entertainment activities, sports event broadcasts, public facility instructions, and other fields. LED display screens are composed of multiple modules. Current display screens are generally not foldable, occupy a large space during transportation and storage, and are easily damaged by bumps. Utility Model Content

[0003] The utility model provides a portable display screen, which solves the problems in the related art that the display screen is generally unable to be folded, occupies a large space during transportation and storage, and is easily damaged by bumps.

[0004] The technical solution of the utility model is as follows: a portable display screen, which mainly comprises:

[0005] Box,

[0006] A first screen body, wherein the first screen body is located in the box;

[0007] A lifting mechanism, wherein the lifting mechanism is disposed in the box, the lifting mechanism is located below the first screen body, and the lifting mechanism is used to drive the first screen body to move up and down;

[0008] The second screen body is located on one side of the first screen body; the second screen body is hinged to the first screen body, and the lifting mechanism is used to drive the first screen body and the second screen body folded on the back of the first screen body to rise above the box body, or descend into the box body.

[0009] The number of the second screen bodies is two, the first screen body is hinged between the two second screen bodies, and the length of the first screen body along the horizontal direction is greater than or equal to the sum of the lengths of the two second screen bodies along the horizontal direction.

[0010] It also includes a support rod, which is arranged between the lifting mechanism and the first screen body, and the support rod is located on the back side of the first screen body.

[0011] Also includes,

[0012] A positioning block is provided on the back side of the joint end of the first screen body and the second screen body;

[0013] A hinge is provided between the two positioning blocks, and the first screen body and the second screen body are hinged by means of the hinge.

[0014] It also includes a telescopic mechanism, which is hinged between the back side of the first screen body and the back side of the second screen body, and the second screen body is folded on the back side of the first screen body by contraction of the telescopic mechanism.

[0015] It also includes a box cover, which is arranged above the box body, and the box cover and the box body are detachably connected.

[0016] The box cover comprises:

[0017] A first cover body, the first cover body is used to cover the periphery of the front side of the first screen body, and the first cover body is detachably connected to the box body;

[0018] The second cover body is used to cover the periphery of the back side of the first screen body, one end of the second cover body spliced ​​with the box body is hinged to the box body, and the other end of the second cover body is detachably connected to the first cover body for flipping the second cover body to the outside of the box body.

[0019] Also includes,

[0020] A pressing plate, the pressing plate being arranged above the joint end of the first cover body and the second cover body;

[0021] A locking bolt, one end of the pressing plate is rotatably connected to the second cover body, and the other end of the pressing plate is locked with the first cover body by means of the locking bolt.

[0022] A sinking groove is provided on both the first cover body and the second cover body, the pressing plate is arranged in the sinking groove, and the length of the sinking groove is greater than the length of the pressing plate.

[0023] It also includes running wheels, which are arranged at the bottom of the box body.

[0024] The working principle and beneficial effects of the utility model are as follows: the first screen is located in the box; the lifting mechanism is arranged in the box, the lifting mechanism is located below the first screen, and the lifting mechanism is used to drive the first screen to move up and down; the second screen is located on one side of the first screen; the second screen is hinged to the first screen, and the lifting mechanism is used to drive the first screen and the second screen folded on the back of the first screen to rise above the box, or to descend into the box. When it is needed, the first screen and the second screen are raised to the top of the box by the lifting mechanism, and then the second screen is unfolded so that the second screen and the first screen are arranged in the horizontal direction and are on the same vertical plane. When it is not needed, the second screen is folded to the back of the first screen, and then the first screen and the second screen are lowered into the box by the lifting mechanism. The space required for transportation and storage can be reduced, and the box can protect the first screen and the second screen, so that the first screen and the second screen are not easily damaged by bumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The preferred implementation modes will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present utility model.

[0026] Figure 1 It is a schematic diagram of the back structure of the utility model.

[0027] Figure 2 It is a front structural schematic diagram of the utility model.

[0028] Figure 3 It is a schematic diagram of the connection structure between the telescopic mechanism and the first screen body and the second screen body in the utility model.

[0029] Figure 4 for Figure 1 A is an enlarged view of the middle image.

[0030] Figure 5 It is a top view of the hinged connection between the first screen body and the second screen body in the utility model.

[0031] Figure 6 It is a schematic diagram of the external structure of the connection between the box cover and the box body in the utility model.

[0032] Figure 7 It is a schematic diagram of the internal structure of the connection between the box cover and the box body in the utility model.

[0033] Figure 8 for Figure 7 Enlarged view of B.

[0034] Fig. 9 It is a top view of the box cover in the utility model.

[0035] In the figure: 1, box body, 2, first screen body, 3, lifting mechanism, 4, second screen body, 5, support rod, 6, positioning block, 7, hinge, 8, telescopic mechanism, 9, box cover, 9-1, first cover body, 9-2, second cover body, 10, pressure plate, 11, locking bolt, 12, sink trough, 13, walking wheel. DETAILED DESCRIPTION

[0036] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0037] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically shown, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0038] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0039] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0040] Example, see Figure 1~Figure 2 , which is an embodiment of the utility model, proposes a portable display screen, including a box body 1, a first screen body 2, a lifting mechanism 3, and a second screen body 4. The first screen body 2 is located in the box body 1; the lifting mechanism 3 is arranged in the box body 1, and the lifting mechanism 3 is located below the first screen body 2, and the lifting mechanism 3 is used to drive the first screen body 2 to move up and down; the second screen body 4 is located at one side of the first screen body 2; the second screen body 4 is hinged to the first screen body 2, and the lifting mechanism 3 is used to drive the first screen body 2 and the second screen body 4 folded on the back of the first screen body 2 to rise above the box body 1, or descend into the box body 1.

[0041] Furthermore, if Figure 1 , Figure 2 and Figure 3 As shown, there are two second screen bodies 4, the first screen body 2 is hinged between the two second screen bodies 4, and the length of the first screen body 2 along the horizontal direction is greater than or equal to the sum of the lengths of the two second screen bodies 4 along the horizontal direction. The left and right second screen bodies 4 are symmetrically arranged along the first screen body 2, and the overall structure is more neat and beautiful.

[0042] Furthermore, if Figure 1 , Figure 2 and Figure 3 As shown, it also includes a support rod 5, which is arranged between the lifting mechanism 3 and the first screen body 2, and the support rod 5 is located on the back of the first screen body 2. The upper end surface of the support rod 5 is flush with the upper end surface of the first screen body 2, and the lower end of the support rod 5 is fixed to the upper end of the lifting mechanism 3, so that the force-bearing area of ​​the first screen body 2 can be increased, and the stability during the lifting process is better.

[0043] Furthermore, if Figure 1 , Figure 4 and Figure 5 As shown, it also includes a positioning block 6 and a hinge 7. A positioning block 6 is provided on the back of the joint end of the first screen body 2 and the second screen body 4; the hinge 7 is provided between the two positioning blocks 6, and the first screen body 2 and the second screen body 4 are hinged by means of the hinge 7. By providing the positioning block 6, when folding, the second screen body 4 can be turned over to a state parallel to the first screen body 2, and the space required to be occupied can be reduced as much as possible.

[0044] Furthermore, if Figure 3 As shown, the telescopic mechanism 8 is also included, and the telescopic mechanism 8 is hinged between the back of the first screen body 2 and the back of the second screen body 4. The second screen body 4 is folded on the back of the first screen body 2 by contraction of the telescopic mechanism 8. The telescopic mechanism 8 is hinged between the left and right second screen bodies 4 and the first screen body 2. When the second screen body 4 is unfolded, the telescopic mechanism 8 is in an extended state. When the second screen body 4 needs to be folded to the back of the first screen body 2, the telescopic mechanism 8 can be retracted. When the second screen body 4 needs to be unfolded again, the telescopic mechanism 8 can be extended. The mechanized operation is more time-saving and labor-saving.

[0045] Furthermore, if Figure 6 and Figure 7 As shown, the box body 1 further includes a box cover 9, which is arranged above the box body 1, and the box cover 9 is detachably connected to the box body 1. After the box cover 9 is locked with the box body 1, the first screen body 2 and the second screen body 4 can be sealed inside the box cover 9 and the box body 1, which can more effectively prevent the first screen body 2 and the second screen body 4 from being damaged by collision.

[0046] Furthermore, if Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, the box cover 9 includes a first cover body 9-1 and a second cover body 9-2. The first cover body 9-1 is used to cover the periphery of the front of the first screen body 2, and the first cover body 9-1 is detachably connected to the box body 1; the second cover body 9-2 is used to cover the periphery of the back of the first screen body 2, and one end of the second cover body 9-2 spliced ​​with the box body 1 is hinged to the box body 1, and the other end of the second cover body 9-2 is detachably connected to the first cover body 9-1, so as to flip the second cover body 9-2 to the outside of the box body 1. When it is needed, it is only necessary to remove the first cover body 9-1, flip the end of the second cover body 9-2 spliced ​​with the first cover body 9-1 toward the back of the box body 1 and flip it to the outside of the box body 1. When not in use, flip the end of the second cover body 9-2 spliced ​​with the first cover body 9-1 upward to the top of the box body 1, and then lock the first cover body 9-1 and the box body 1, and the first cover body 9-1 and the second cover body 9-2. Under the premise of not affecting the use effect of the display screen, the disassembly and assembly of the box cover 9 is made simpler and more labor-saving.

[0047] Furthermore, if Figure 8 and Fig. 9 As shown, it also includes a pressing plate 10 and a locking bolt 11. The pressing plate 10 is arranged above the joint end of the first cover body 9-1 and the second cover body 9-2; one end of the pressing plate 10 is rotatably connected to the second cover body 9-2, and the other end of the pressing plate 10 is locked with the first cover body 9-1 by means of the locking bolt 11. The first cover body 9-1 and the second cover body 9-2 are locked together by the cooperation of the pressing plate 10 and the locking bolt 11, so that the connection is firm and reliable, and the disassembly and assembly are convenient and quick, saving time and effort.

[0048] Furthermore, if Figure 7 , Figure 8 and Fig. 9 As shown, a sink 12 is provided on both the first cover body 9-1 and the second cover body 9-2, and a pressing plate 10 is arranged in the sink 12, and the length of the sink 12 is greater than the length of the pressing plate 10. When not in use, one end of the pressing plate 10 is rotated and arranged above the second cover body 9-2, and the other end of the pressing plate 10 is pressed above the first cover body 9-1 and locked with the first cover body 9-1 through the locking bolt 11. When in use, the locking bolt 11 is separated from the first cover body 9-1, and the pressing plate 10 is rotated into the sink 12 above the second cover body 9-2, so that the first cover body 9-1 can be disassembled, and the second cover body 9-2 can be turned over to the back of the box body 1. The structure is simple, the connection is firm and reliable, and the disassembly and assembly are convenient and quick, saving time and effort.

[0049] Furthermore, if Figure 1 , Figure 2 , Figure 6 and Figure 7As shown, it also includes a running wheel 13, which is arranged at the bottom of the box body 1. The four running wheels 13 are arranged in a matrix at the bottom of the box body 1. The box body 1 can be moved to a desired position by using the running wheels 13, which is convenient, fast, time-saving and labor-saving.

[0050] In this embodiment, the lifting mechanism 3 is arranged at the bottom of the box body 1, the lower end of the support rod 5 is fixedly connected to the upper end of the lifting mechanism 3, and the support rod 5 is fixedly connected to the back of the first screen body 2. The second screen bodies 4 are hinged on the left and right sides of the first screen body 2, and a telescopic mechanism 8 is hinged between each second screen body 4 and the first screen body 2. When the display screen is not in use, the telescopic mechanism 8 and the lifting mechanism 3 are in a retracted state, and the two second screen bodies 4 are folded on the back of the first screen body 2. The first cover body 9-1 is covered on the periphery of the front of the first screen body 2, and the second cover body 9-2 is covered on the periphery of the back of the first screen body 2. The upper ends of the first cover body 9-1 and the second cover body 9-2 are locked together. The first screen body 2 and the second screen body 4 are hidden between the box body 1 and the box cover 9. When it is needed, the first cover 9-1 is disassembled, the second cover 9-2 is turned over to the back of the box 1, the lifting mechanism 3 is extended, the first screen 2 and the second screen 4 are raised above the box 1, and then the telescopic mechanism 8 is extended to unfold the two second screens 4 so that the second screens 4 and the first screens 2 are arranged in the horizontal direction and on the same vertical plane. Figure 1 , Figure 2 and Figure 3 The state shown. When not in use, first retract the telescopic mechanism 8 back to the initial state, fold the second screen body 4 to the back of the first screen body 2, then retract the lifting mechanism 3 back to the initial state, lower the first screen body 2 and the second screen body 3 into the box body 1, and then flip the end of the second cover body 9-2 spliced ​​with the first cover body 9-1 upward to the top of the box body 1, and then lock the first cover body 9-1 and the box body 1, and the first cover body 9-1 and the second cover body 9-2. The space required can be reduced during transportation and storage, and the box body 1 and the box cover 9 cooperate to effectively protect the first screen body 2 and the second screen body 4, so that the first screen body 2 and the second screen body 4 are not easily damaged by bumps.

[0051] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A portable display screen, characterized in that: include, Box (1), A first screen body (2), the first screen body (2) being located inside the box body (1); A lifting mechanism (3), the lifting mechanism (3) being arranged in the box body (1), the lifting mechanism (3) being located below the first screen body (2), and the lifting mechanism (3) being used to drive the first screen body (2) to move up and down; A second screen body (4), the second screen body (4) is located on one side of the first screen body (2); the second screen body (4) is hinged to the first screen body (2), and the lifting mechanism (3) is used to drive the first screen body (2) and the second screen body (4) folded on the back of the first screen body (2) to rise to the top of the box body (1), or to descend into the box body (1).

2. A portable display screen according to claim 1, characterized in that: The number of the second screen bodies (4) is two, the first screen body (2) is hinged between the two second screen bodies (4), and the length of the first screen body (2) in the horizontal direction is greater than or equal to the sum of the lengths of the two second screen bodies (4) in the horizontal direction.

3. A portable display screen according to claim 1, characterized in that: It also comprises a support rod (5), wherein the support rod (5) is arranged between the lifting mechanism (3) and the first screen body (2), and the support rod (5) is located on the back side of the first screen body (2).

4. A portable display screen according to claim 1, characterized in that: Also includes, A positioning block (6), wherein a positioning block (6) is provided on the back side of one end where the first screen body (2) and the second screen body (4) are joined; A hinge (7), wherein the hinge (7) is arranged between the two positioning blocks (6), and the first screen body (2) and the second screen body (4) are hingedly connected by means of the hinge (7).

5. The portable display screen according to claim 1, characterized in that: It also comprises a telescopic mechanism (8), wherein the telescopic mechanism (8) is hinged between the back side of the first screen body (2) and the back side of the second screen body (4), and the second screen body (4) is folded onto the back side of the first screen body (2) by means of the contraction of the telescopic mechanism (8).

6. A portable display screen according to claim 1, characterized in that: It also comprises a box cover (9), wherein the box cover (9) is arranged above the box body (1), and the box cover (9) and the box body (1) are detachably connected.

7. A portable display screen according to claim 6, characterized in that: The box cover (9) comprises: A first cover body (9-1), the first cover body (9-1) being used to cover the periphery of the front side of the first screen body (2), the first cover body (9-1) being detachably connected to the box body (1); A second cover body (9-2), the second cover body (9-2) is used to cover the periphery of the back side of the first screen body (2), one end of the second cover body (9-2) spliced ​​with the box body (1) is hinged to the box body (1), and the other end of the second cover body (9-2) is detachably connected to the first cover body (9-1) so as to enable the second cover body (9-2) to be flipped to the outside of the box body (1).

8. A portable display screen according to claim 7, characterized in that: Also includes, A pressing plate (10), the pressing plate (10) being arranged above a splicing end of the first cover body (9-1) and the second cover body (9-2); A locking bolt (11), one end of the pressing plate (10) is rotatably connected to the second cover body (9-2), and the other end of the pressing plate (10) is locked with the first cover body (9-1) by means of the locking bolt (11).

9. A portable display screen according to claim 8, characterized in that: A sink groove (12) is provided on both the first cover body (9-1) and the second cover body (9-2), the pressing plate (10) is arranged in the sink groove (12), and the length of the sink groove (12) is greater than the length of the pressing plate (10).

10. The portable display screen according to claim 1, characterized in that: It also includes running wheels (13), wherein the running wheels (13) are arranged at the bottom of the box body (1).

Images