CN215679945U

CN215679945U - Lamp box and display screen with same

Info

Publication number: CN215679945U
Application number: CN202121636079.9U
Authority: CN
Inventors: 李炳锋
Original assignee: Shenzhen Leyard Optoelectronic Co Ltd
Current assignee: Shenzhen Leyard Optoelectronic Co Ltd
Priority date: 2021-07-13
Filing date: 2021-07-16
Publication date: 2022-01-28
Anticipated expiration: 2031-07-16

Abstract

The utility model provides a lamp box and a display screen with the same, wherein the lamp box comprises: the box body comprises a box body and a rear cover plate, wherein the rear side of the box body is provided with a mounting opening, the rear cover plate is covered on the mounting opening, and the rear cover plate is provided with a first side edge and a second side edge which are opposite; the plug-in structure is arranged between the box body and the first side edge of the rear cover plate, and the rear cover plate is pivotally connected with the box body through the plug-in structure; the magnetic attraction structure is arranged between the box body and the second side edge of the rear cover plate, and the rear cover plate is fixed on the box body through the magnetic attraction structure; the lamp plate sets up in the front side of box body. By applying the technical scheme of the utility model, the problem of low installation efficiency of the lamp box in the prior art can be effectively solved.

Description

Lamp box and display screen with same

The application claims priority of patent application with application number 202110792128.6 on 2021, 07/13/2021, entitled lamp box and display screen with the lamp box.

Technical Field

The utility model relates to the field of display devices, in particular to a lamp box and a display screen with the same.

Background

At present, the LED large screen in China is in the leading high-tech level of China and is favored by the majority of users.

The LED box generally comprises a box body, a lamp panel arranged on the front side of the box body and a rear cover plate arranged on the rear side of the box body. In the conventional technology, the rear cover plate is usually fixed on the box body through screw installation, and the above structure has the problems of difficult installation and low installation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a lamp box and a display screen with the same, and aims to solve the problem of low installation efficiency of the lamp box in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a light box including: the box body comprises a box body and a rear cover plate, wherein the rear side of the box body is provided with a mounting opening, the rear cover plate is covered on the mounting opening, and the rear cover plate is provided with a first side edge and a second side edge which are opposite; the plug-in structure is arranged between the box body and the first side edge of the rear cover plate, and the rear cover plate is pivotally connected with the box body through the plug-in structure; the magnetic attraction structure is arranged between the box body and the second side edge of the rear cover plate, and the rear cover plate is fixed on the box body through the magnetic attraction structure; the lamp plate sets up in the front side of box body.

Furthermore, the inserting structure comprises a slot and an inserting protrusion which are mutually inserted and matched, the inserting protrusion is arranged at the first side edge, and the slot is arranged at the position of the box body corresponding to the first side edge.

Further, the structure is inhaled to magnetism includes magnet and the iron sheet of mutual magnetism complex of inhaling, and the iron sheet sets up in second side department, and magnet sets up in the position department that corresponds with the second side of box body.

Furthermore, the inserting structures are arranged at intervals along the extending direction of the first side edge; and/or the magnetic attraction structure is a plurality of magnetic attraction structures arranged at intervals along the extending direction of the second side edge.

Further, the lamp house still includes: the structure of taking sets up on the back shroud.

Further, the distance between the taking structure and the second side edge is larger than the distance between the taking structure and the first side edge.

Furthermore, the rear cover plate is also provided with a third side and a fourth side which are positioned between the first side and the second side, at least one side of the third side and the fourth side is provided with a notch which is concave inwards, and the notch forms a taking structure.

Further, the height D of the gap is between 2.5mm and 4.5 mm.

Furthermore, a baffle is arranged on the box body and located on the front side of the notch, the rear side wall of the box body is used as a reference surface, and the projection of the notch on the reference surface is located in the projection of the baffle on the reference surface.

According to another aspect of the present invention, there is provided a display screen including: a plurality of lamp boxes that set up side by side, the lamp box is above-mentioned lamp box.

By applying the technical scheme of the utility model, when the rear cover plate is installed, the rear cover plate is firstly inserted into the box body through the insertion structure, and after the insertion is finished, the rear cover plate rotates towards the box body by taking the insertion structure as a pivot. When the back shroud rotated to the lid and located the position of installation opening part, the back shroud can adsorb on the box body through magnetism structure of inhaling. Because the grafting structure is located the first side department of back shroud, magnetism is inhaled the structure and is located the second side department of back shroud, consequently two relative sides homoenergetic of back shroud can be fixed on the box body for the back shroud is installed on the box body. The structure installs the rear cover plate in a splicing rotation and adsorption mode without screwing screws, so that the installation difficulty is reduced, and the installation efficiency is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a light box according to the present invention;

fig. 2 shows an enlarged schematic view of the light box of fig. 1 at a;

FIG. 3 is a schematic perspective view of the light box of FIG. 1 with the box body and the back cover plate engaged with each other;

fig. 4 shows an enlarged structural schematic view at B of the light box of fig. 3;

FIG. 5 shows an exploded view of the light box of FIG. 1;

fig. 6 shows an enlarged structural view at C of the lamp box of fig. 5;

FIG. 7 shows a schematic perspective cross-sectional structural view of the light box of FIG. 1; and

fig. 8 shows an enlarged structural view at D of the lamp box of fig. 7.

Wherein the figures include the following reference numerals:

10. a box body; 11. a box body; 111. an installation opening; 112. a baffle plate; 12. a rear cover plate; 121. a first side edge; 122. a second side edge; 123. a third side; 124. a fourth side; 125. a notch; 20. a plug-in structure; 21. a slot; 22. inserting and connecting the bulges; 30. a magnetic attraction structure; 31. a magnet; 32. iron sheets; 40. and (4) a lamp box.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1, 3 to 8, the light box of the present embodiment includes: box 10, grafting structure 20, magnetism inhale structure 30 and lamp plate. The box 10 includes a box body 11 and a rear cover plate 12, a mounting opening 111 is disposed at a rear side of the box body 11, the rear cover plate 12 covers the mounting opening 111, and the rear cover plate 12 has a first side 121 and a second side 122 opposite to each other. The inserting structure 20 is disposed between the box body 11 and the first side edge 121 of the rear cover 12, and the rear cover 12 is pivotally connected to the box body 11 through the inserting structure 20. The magnetic attraction structure 30 is disposed between the box body 11 and the second side 122 of the rear cover plate 12, and the rear cover plate 12 is fixed on the box body 11 through the magnetic attraction structure 30. The lamp plate sets up in the front side of box body 11.

By applying the technical solution of this embodiment, when the rear cover plate 12 is installed, the rear cover plate 12 is inserted into the box body 11 through the insertion structure 20, and after the insertion is completed, the rear cover plate 12 rotates toward the box body 11 with the insertion structure 20 as a pivot. When the rear cover plate 12 rotates to the position covering the installation opening 111, the rear cover plate 12 can be attracted to the box body 11 by the magnetic attraction structure 30. Because the inserting structure 20 is located at the first side 121 of the rear cover plate 12, and the magnetic attraction structure is located at the second side of the rear cover plate 12, two opposite sides of the rear cover plate 12 can be fixed on the box body 11, so that the rear cover plate 12 is installed on the box body 11. The structure installs the rear cover plate 12 in a plug-in rotation and adsorption mode without screwing screws, thereby reducing the installation difficulty and improving the installation efficiency.

As shown in fig. 3, 5 and 6, in the present embodiment, the inserting structure 20 includes an inserting slot 21 and an inserting protrusion 22 that are inserted into and matched with each other, the inserting protrusion 22 is disposed at the first side 121, and the inserting slot 21 is disposed at a position of the box body 11 corresponding to the first side 121. Specifically, during plugging, only the plugging protrusion 22 of the rear cover plate 12 needs to be inserted into the slot 21 of the box body 11, and then the rear cover plate 12 is rotated towards the box body 11 by taking the matching position of the plugging protrusion 22 and the slot 21 as a pivot. Of course, in other embodiments not shown in the drawings, the slot may also be disposed at the first side edge, and the insertion protrusion may also be disposed at a position of the box body corresponding to the first side edge.

As shown in fig. 7 and fig. 8, in the present embodiment, the magnetic attraction structure 30 includes a magnet 31 and an iron sheet 32 that are magnetically engaged with each other, the iron sheet 32 is disposed at the second side 122, and the magnet 31 is disposed at a position of the box body 11 corresponding to the second side 122. Specifically, in the present embodiment, the iron piece 32 has a ferromagnetic structure, and during the rotation of the back cover plate 12, the iron piece 32 gradually approaches the magnet 31 and has magnetism, so that the iron piece 32 and the magnet 31 are attracted together. The structure is simple and the cost is low. Preferably, in this embodiment, the back cover plate 12 is provided with a screw, which includes an attachment post and a screw head, the screw head forming the above-mentioned iron sheet 32. The above structure makes it unnecessary to separately provide a fixing device for fixing the iron piece 32, thereby reducing the production cost.

Of course, in other embodiments not shown in the drawings, the magnetic attraction structure may also be two magnets attracting each other, and the two magnets are respectively disposed at the second side and the position of the box body corresponding to the second side. Of course, in another embodiment not shown in the drawings, the ferromagnetic structure in the magnetic attraction structure is not necessarily an iron sheet, but may also be an iron block, etc.

As shown in fig. 5, in the present embodiment, the insertion structures 20 are arranged at intervals along the extending direction of the first side 121. The structure enables the rear cover plate 12 to form a pivot shaft to be installed by other plug-in structures 20 even if one plug-in structure 20 is damaged, so that the rear cover plate 12 can be ensured to be installed smoothly even if the plug-in structures 20 are damaged due to repeated disassembly and assembly of the rear cover plate 12, and the service life of the lamp box is prolonged.

In this embodiment, the magnetic attraction structures 30 are disposed at intervals along the extending direction of the second side edge 122 (not shown in the drawings). Above-mentioned structure makes whole second side 122 department of back shroud 12 can adsorb firmly on box body 11, prevents that the phenomenon of the local upwarping of back shroud 12 from taking place, and the probability that external steam and impurity got into in the box body 11 is reduced as far as possible, guarantees the life of lamp house.

As shown in fig. 1 to 3, in the present embodiment, the light box further includes: a take-off structure disposed on the back cover plate 12. Specifically, when detaching the rear cover 12, the user may apply a force to the rear cover 12 away from the case body 11 by the taking structure so as to facilitate the separation of the magnet 31 from the iron piece 32. When the magnet 31 is separated from the iron sheet 32, the rear cover 12 can be detached from the box body 11 by disengaging the insertion protrusion 22 from the slot 21. The structure is simple, and the user can conveniently detach the rear cover plate 12, so that the maintenance efficiency is improved.

As shown in fig. 1 to 4, in the present embodiment, the distance between the taking structure and the second side edge 122 is greater than the distance between the taking structure and the first side edge 121. Above-mentioned structure makes the structure of taking be closer to magnet 31 and iron sheet 32 for the user only needs to exert a less power and can make magnet 31 and iron sheet 32 separate, thereby improves user's use and experiences.

As shown in fig. 1 to 5, in the present embodiment, the back cover plate 12 further has a third side 123 and a fourth side 124 located between the first side 121 and the second side 122, an inwardly concave notch 125 is disposed in each of the third side 123 and the fourth side 124, and the notch 125 forms a taking structure. The structure is simple, the processing is easy, and the production cost is low. Of course, in other embodiments not shown in the figures, the access structure may be a handle, clasp, or the like that is easily grasped by the user. Of course, in a further embodiment not shown in the figures, it is possible to provide only the third side edge with notches or only the fourth side edge with notches.

As shown in FIG. 2, in the present embodiment, the height D of the notch 125 is between 2.5mm and 4.5 mm. If the height D of the notch 125 is too large, external dust and water vapor easily enter the light box through the notch 125, resulting in shortened service life of the light box; however, if the height D of the notch 125 is too small, the user's fingers are not easily caught by the notch 125, resulting in that the rear cover 12 is not easily opened.

Preferably, in the present embodiment, the notch 125 is provided on the front side of the rear cover 12 in the front-rear direction of the light box, and does not penetrate the rear side of the rear cover 12. The structure ensures that external water vapor and dust are not easy to enter the lamp box, thereby ensuring the service life of electronic elements in the lamp box.

As shown in fig. 3 and 4, in the present embodiment, the box body 11 is provided with the baffle 112, the baffle 112 is located on the front side of the notch 125, the rear side wall of the box body 11 is used as a reference surface, and the projection of the notch 125 on the reference surface is located in the projection of the baffle 112 on the reference surface. The structure enables the user to see the baffle 112 only through the notch 125 when facing the back of the lamp box or facing the lamp box, and the user cannot see the electronic elements in the box body 11, thereby ensuring the tidiness of the whole lamp box.

The present application further provides a display screen, an embodiment of a display screen (not shown in the figures) according to the present application includes: a plurality of lamp boxes 40 arranged in parallel, wherein the lamp boxes 40 are the lamp boxes described above. Since the lamp box has the advantage of easy assembly, the display screen with the lamp box also has the advantages. Specifically, in the present embodiment, the display screen is an LED display screen.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A light box, comprising:

the box body (10) comprises a box body (11) and a rear cover plate (12), wherein a mounting opening (111) is formed in the rear side of the box body (11), the rear cover plate (12) is arranged at the mounting opening (111) in a covering mode, and the rear cover plate (12) is provided with a first side edge (121) and a second side edge (122) which are opposite;

the inserting structure (20) is arranged between the box body (11) and the first side edge (121) of the rear cover plate (12), and the rear cover plate (12) is pivotally connected with the box body (11) through the inserting structure (20);

the magnetic attraction structure (30) is arranged between the box body (11) and the second side edge (122) of the rear cover plate (12), and the rear cover plate (12) is fixed on the box body (11) through the magnetic attraction structure (30);

the lamp plate, set up in the front side of box body (11).

2. A light box according to claim 1, wherein the inserting structure (20) comprises an inserting slot (21) and an inserting protrusion (22) which are inserted and matched with each other, the inserting protrusion (22) is disposed at the first side (121), and the inserting slot (21) is disposed at a position of the box body (11) corresponding to the first side (121).

3. A light box according to claim 1, characterized in that the magnetic attraction structure (30) comprises a magnet (31) and an iron sheet (32) which are magnetically attracted to each other, the iron sheet (32) is disposed at the second side (122), and the magnet (31) is disposed at a position of the box body (11) corresponding to the second side (122).

4. A light box according to claim 1, characterized in that the plug-in structures (20) are arranged in plurality at intervals along the extension direction of the first side edge (121); and/or the magnetic attraction structure (30) is a plurality of magnetic attraction structures arranged at intervals along the extending direction of the second side edge (122).

5. A light box as claimed in claim 1, further comprising:

the taking structure is arranged on the rear cover plate (12).

6. A light box according to claim 5, characterized in that the distance between the take off structure and the second side (122) is greater than the distance between it and the first side (121).

7. A light box according to claim 5, characterized in that the back cover plate (12) further has a third side (123) and a fourth side (124) between the first side (121) and the second side (122), at least one of the third side (123) and the fourth side (124) being provided with an inwardly recessed notch (125), the notch (125) forming the take-off structure.

8. A light box according to claim 7, characterized in that the height D of the gap (125) is between 2.5mm and 4.5 mm.

9. A light box as claimed in claim 7, characterized in that a baffle (112) is arranged on the box body (11), the baffle (112) is positioned at the front side of the notch (125), the rear side wall of the box body (11) is taken as a reference surface, and the projection of the notch (125) on the reference surface is positioned in the projection of the baffle (112) on the reference surface.

10. A display screen, comprising:

a plurality of light boxes (40) arranged side by side, characterized in that the light boxes (40) are as claimed in any one of claims 1 to 9.