CN210535225U

CN210535225U - LED display screen

Info

Publication number: CN210535225U
Application number: CN201921552960.3U
Authority: CN
Inventors: 秦苗
Original assignee: Guangdong Retop Led Display Co ltd
Current assignee: Zhuhai ruituo Display Technology Co.,Ltd.
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-15
Anticipated expiration: 2029-09-18

Abstract

The utility model provides a LED display screen, include: the back surfaces of the LED display panels are fixedly provided with a magnetic absorption plate; the upper end face of the box body is open, a grid plate is arranged on the bottom wall in the box body, a plurality of internal thread sleeves are vertically arranged in each rectangular area, and each internal thread sleeve is arranged around one through hole; each magnet adsorption component comprises an external thread column and a magnet, the magnet is fixedly arranged at the top end of the external thread column, and the external thread column is partially screwed in the internal thread sleeve; the magnets of the plurality of magnet adsorption components are respectively adsorbed on the corresponding magnetic adsorption plates; the bottom end of the external thread column is provided with a slot, the slot is opposite to the corresponding through hole and is used for allowing a screwdriver to penetrate through the through hole and extend into the slot to rotate the external thread column, and therefore the distance between the magnet and the magnetic absorption plate is adjusted. The utility model discloses have the beneficial effect of the LED display panel of being convenient for dismantle with the installation.

Description

LED display screen

Technical Field

The utility model relates to an electronic product field, concretely relates to LED display screen.

Background

With the rapid development of the LED technology, the LED technology has many advantages such as energy saving, long service life, and safety, and is increasingly applied. In the indoor, because space restriction, the LED display screen that uses the front maintenance mode is more and more, and wherein the installation and dismantlement are realized through magnetism to most front maintenance modes. The back of the LED display module is provided with a certain number of magnets, and the magnets are adsorbed on the box body or the mounting frame, so that the mounting purpose is achieved; the magnet tool with stronger magnetic force is applied to the front surface of the tool body, and the tool body is pulled outwards to achieve the purpose of disassembly.

In practical use, the thickness consistency of the magnet is difficult to control, and the error is large, so that a large gap is left between the magnet and the metal back plate of the module to accommodate the thickness error of the magnet. Because the magnetic attraction between the magnet and the metal back plate of the module is in inverse proportion to the distance between the magnet and the metal back plate, the magnetic attraction borne by the LED module is extremely uneven, the magnetic force with small gap is strong, the magnetic force with large gap is weak, and in order not to influence the use, the magnet with stronger magnetic force than the conventional magnetic force is used in practical application to ensure the stable installation of the module; in the dismantlement process, because module magnet magnetic force is too strong, need stimulate repeatedly, just can successfully take off the module, it is all very inconvenient to dismantle the installation.

Therefore, the prior art has defects and needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at provides a LED display screen has the beneficial effect of being convenient for install and dismantle.

The utility model provides a LED display screen, include:

the LED display device comprises a plurality of LED display panels, wherein a magnetism absorption plate is fixedly arranged on the back surface of each LED display panel;

the box body is provided with an opening on the upper end face, a grid plate is arranged on the bottom wall in the box body, the grid plate divides the bottom wall of the box body into a plurality of rectangular areas, a plurality of through holes are respectively arranged in each rectangular area, a plurality of internal thread sleeves are vertically arranged in each rectangular area, and each internal thread sleeve is arranged around one through hole;

each magnet adsorption assembly comprises an external thread column and a magnet, the magnet is fixedly arranged at the top end of the external thread column, the external thread column is partially screwed in the internal thread sleeve, and the top end of the external thread column faces one side of the LED display panel; the magnets of the plurality of magnet adsorption components are respectively adsorbed on the corresponding magnetic adsorption plates; the bottom end of the external thread column is provided with a slot, the slot is opposite to the corresponding through hole and is used for allowing a screwdriver to penetrate through the through hole and extend into the slot to rotate the external thread column, and therefore the distance between the magnet and the magnetic absorption plate is adjusted.

LED display screen in, the top of external screw thread post is provided with the mounting groove, magnet fixed set up in the mounting groove.

LED display screen in, the last installation department and lower connecting portion that the external screw thread post is connected including coaxial setting, the diameter of going up the installation department is greater than the diameter of lower connecting portion, the mounting groove set up in go up the installation department, the slot set up in keeping away from of lower connecting portion go up the one end of installation department, lower connecting portion are provided with the external screw thread.

In the LED display screen of the present invention, the magnetic attraction plate is an iron plate.

LED display screen in, inhale the magnetic sheet and be rectangular plate-like, each the rectangle region is provided with four magnet adsorption component, the magnet on the top of four magnet adsorption component respectively with four bight regional absorption of inhaling the magnetic sheet are connected.

In the LED display screen of the present invention, the diameter of the upper mounting portion is equal to the outer diameter of the inner thread bushing.

In the LED display screen of the present invention, the sidewall height of the box body is equal to the height of the grid plate, and the area of the magnetic attraction plate is smaller than the area of the rectangular area.

In the LED display screen of the present invention, the LED display screen further comprises a plurality of adjusting knobs, each of which has a tip portion corresponding to the through hole and inserted into the slot.

In the LED display screen of the present invention, the adjusting knob has a tip flush with the bottom of the box body.

In the LED display screen of the present invention, the height of the grid plate is equal to the depth of the box body.

The utility model provides a LED display screen is through adopting the magnetic adsorption subassembly, the magnetic adsorption subassembly includes an external screw thread post and a magnet, can adjust the distance of inhaling the magnet of magnetic plate and this magnetic adsorption subassembly through rotatory this external screw thread post, when the installation, rotatory this external screw thread post makes magnet and this inhale the magnet contact, can avoid appearing the gap and can increase magnetic force, when dismantling, can make magnet and this inhale the magnet separation through rotatory this external screw thread post, be convenient for pull down LED display panel from this box, thereby the beneficial effect of convenient to detach and installation has.

Drawings

Fig. 1 is a schematic top view of an LED display screen according to an embodiment of the present invention.

Fig. 2 is a schematic view of a cross-sectional structure of an LED display screen in an embodiment of the present invention.

Fig. 3 is a partial enlarged view of a sectional view structure diagram of an LED display screen according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify 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 therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of an LED display screen according to an embodiment of the present invention. This LED display screen includes: a plurality of LED display panels 10, a case 20, and a plurality of magnet adsorption members 30.

The LED display panels 10 are arranged in a rectangular array on the upper end surface of the box 20. A magnetic absorption plate 11 is fixedly arranged on the back surface of each LED display panel 10. The magnetic attraction plate 11 may be an iron plate or another metal plate capable of attracting a magnet.

Wherein, this box 20 is roughly like the cuboid box-like, and the up end of this box 20 is uncovered. A grid plate 21 is disposed on the bottom wall in the box body 20, and the grid plate 21 divides the bottom wall of the box body 20 into a plurality of rectangular areas. Each rectangular area is provided with a plurality of through holes 20a, and the through holes 20a are circular. A plurality of internal thread sleeves 20b are vertically arranged in each rectangular area, the internal thread sleeves 20b are in a circular tube shape, an internal thread structure is arranged on the inner side wall of each internal thread sleeve 20b, each internal thread sleeve 20b is arranged around one through hole 20a, and the internal thread sleeves 20b and the through holes 20a are coaxially arranged.

Each LED display panel 10 is disposed on the upper end surface of the box body 20 and is opposite to one of the rectangular areas; the rear surface of the LED display panel 10 is connected to the upper end surface of the mesh plate 21.

Each of the magnetic attraction components 30 includes an external threaded column 31 and a magnet 32, and the magnet 32 is disposed on the external threaded column 31.

Specifically, the top end of the externally threaded column 31 is provided with an installation groove, and the magnet 32 is fixedly arranged in the installation groove; the mounting groove is roughly cylindrical, the magnet is cylindrical, and the sizes of the mounting groove and the magnet are matched. The magnet 32 and the mounting groove may be glued or otherwise secured.

A portion of the externally threaded post 31 is screwed into the internally threaded sleeve 20b, and a tip of the externally threaded post 31 faces a side of the LED display panel 10. The magnets 32 of the plurality of magnet attraction units 30 are attracted to the corresponding attraction plates 11, respectively. The bottom end of the external threaded column 31 is provided with a slot 311, and the slot 311 is opposite to the corresponding through hole 20a for allowing a screwdriver or other components to pass through the through hole 20a and extend into the slot 311 to rotate the external threaded column 31, so as to adjust the distance between the magnet 32 and the magnetic attraction plate 11.

Specifically, the externally threaded stud 31 includes an upper mounting portion 31a and a lower connecting portion 31b that are coaxially disposed and connected, and the upper mounting portion 31a and the lower connecting portion 31b are both cylindrical. Go up the diameter of installation department 31a and be greater than the diameter of lower connecting portion 31b, the mounting groove set up in on the terminal surface of last installation department 31a, slot 311 set up in keeping away from of lower connecting portion 31b go up the one end of installation department 31a, be provided with the external screw thread on the lateral wall of lower connecting portion.

Wherein, in some embodiments, the diameter of the upper mounting portion 31a is equal to the outer diameter of the internally threaded sleeve 20 b.

Preferably, the number of the magnet adsorption assemblies 30 in each rectangular area is four, and the magnets of the four magnet adsorption assemblies 30 are respectively opposite to four corner areas of the rectangular magnetic adsorption plate.

Wherein, in some embodiments, the height of the side wall of the box body 20 is equal to the height of the grid plate 21, so as to facilitate the laying of the LED display panel 10. The area of the magnetism attracting plate 11 is smaller than that of the rectangular area. The mesh plate 21 and the case 20 may be of an integral structure.

In some embodiments, a plurality of adjusting knobs are further included in the LED display screen, and an end of each adjusting knob passes through the corresponding through hole 20a and is inserted into the insertion slot 311. The distance between the magnet and the magnetic attraction plate can be adjusted by twisting the adjusting knob, so that the magnet is convenient to mount and dismount. The end of the adjusting knob is flush with the bottom of the box body, so that the placement of the box body is not influenced.

The utility model provides a LED display screen is through adopting the magnetic adsorption subassembly, and the magnetic adsorption subassembly includes an external screw thread post and a magnet, can adjust the distance of magnet attraction board and the magnet of this magnetic adsorption subassembly through rotating this external screw thread post, when installing, rotates this external screw thread post and makes magnet and this magnet attraction board contact, can avoid appearing the gap thereby increase magnetic force; when the LED display panel box is detached, the magnet can be separated from the magnetic absorption plate by rotating the external thread column, so that the LED display panel is conveniently detached from the box body, and the LED display panel box has the beneficial effects of convenience in detachment and installation.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. An LED display screen, comprising:

2. The LED display screen of claim 1, wherein the top end of the externally threaded post is provided with a mounting groove, and the magnet is fixedly arranged in the mounting groove.

3. The LED display screen of claim 2, wherein the externally threaded post comprises an upper mounting part and a lower connecting part which are coaxially arranged and connected, the diameter of the upper mounting part is larger than that of the lower connecting part, the mounting groove is formed in the upper mounting part, the slot is formed in one end of the lower connecting part, which is far away from the upper mounting part, and the lower connecting part is provided with an external thread.

4. The LED display screen of claim 1, wherein the magnetic attraction plate is an iron plate.

5. The LED display screen of claim 4, wherein the magnetic absorption plate is rectangular, four magnet absorption assemblies are arranged in each rectangular area, and magnets at the top ends of the four magnet absorption assemblies are respectively in absorption connection with four corner areas of the magnetic absorption plate.

6. The LED display screen of claim 3, wherein the diameter of the upper mounting portion is equal to the outer diameter of the internally threaded sleeve.

7. The LED display screen of claim 1, wherein the height of the side wall of the box body is equal to that of the grid plate, and the area of the magnetism absorption plate is smaller than that of the rectangular area.

8. The LED display screen of claim 1, further comprising a plurality of adjustment knobs, wherein an end of each of the adjustment knobs passes through the corresponding through hole and is inserted into the slot.

9. The LED display screen of claim 8, wherein the end of the adjustment knob is flush with the bottom of the housing.

10. The LED display screen of claim 1, wherein the height of the grid plate is equal to the depth of the box.