WO2020177416A1

WO2020177416A1 - Front maintenance tool for led display screen

Info

Publication number: WO2020177416A1
Application number: PCT/CN2019/123374
Authority: WO
Inventors: 徐敏
Original assignee: 广州视源电子科技股份有限公司
Priority date: 2019-03-04
Filing date: 2019-12-05
Publication date: 2020-09-10
Also published as: CN209831496U

Abstract

A front maintenance tool for an LED display screen, comprising a housing (10), magnetic pieces (20), and a soft protective pad (30), wherein the housing comprises multiple side surfaces and a bottom plane (11); at least one side surface of the multiple side surfaces is an inclined side surface; the inclined side surface and the bottom plane are in arc transition; the bottom plane is provided with a first groove (111); the magnetic pieces are mounted in the first groove; and the soft protective pad is adhered to the inclined side surface and the bottom plane. According to the front maintenance tool, when a LED lamp panel of the LED display screen is taken out, damage to the LED lamp beads due to the fact that the magnetic part is in direct contact with the lamp surface is avoided.

Description

LED display front maintenance tool

This application claims the priority of the patent application filed to the State Intellectual Property Office of China on March 4, 2019, with the application number 201920272862.8 and the invention title "LED display front maintenance tool".

Technical field

This application relates to the field of maintenance tools, and in particular to a front maintenance tool for an LED display screen.

Background technique

Existing front maintenance tools for LED display screens, when the LED light board is taken out, the magnetic attraction on the front maintenance tool has a mechanical or electromagnetic transmission structure, which is prone to failure; in addition, the magnetic parts are directly connected to the LED light board Direct contact, the attraction of the magnet can easily damage the lamp beads.

Summary of the invention

The purpose of this application is to provide a front maintenance tool for an LED display screen, which prevents damage to the LED lamp bead when the magnetic part directly contacts the lamp surface when the LED lamp board of the LED display screen is taken out.

The technical scheme is as follows:

The front maintenance tool for the LED display screen, including a housing, a magnetic part, and a soft protective pad. The housing includes a plurality of sides and a bottom plane. At least one side of the plurality of sides is an oblique side. The oblique side and the bottom plane are arcs Transition, a first groove is provided on the bottom plane, the magnetic member is installed in the first groove, and the soft protective pad is glued on the inclined side surface and the bottom plane.

It also includes a magnetic part mounting plate, the magnetic part mounting plate is matched with the first groove, and the magnetic part is installed in the first groove through the magnetic part mounting plate.

The magnet mounting plate is made of iron plate.

The magnetic part mounting plate includes a magnetic part fixing plate, a first mounting plate, and a second mounting plate. The first mounting plate and the second mounting plate are respectively located on two opposite sides of the magnetic part fixing plate. Mounted on the magnet fixing plate, and the magnet mounting plate is installed in the first groove through the first mounting plate and the second mounting plate.

The casing includes a casing main body and a casing cover, the casing cover is installed on the top surface of the casing main body, and a plurality of the side surfaces and bottom planes are located on the casing main body.

The shell body is made of plastic material.

The shell cover includes a cover plate and a handle, and the handle is installed on the top surface of the shell body through the cover plate.

The cover plate is made of metal material.

It also includes a first screw and a second screw. The first mounting plate and the second mounting plate have a first through hole and a second through hole, and the first groove has a third through hole and a fourth through hole, The cover plate has a fifth through hole and a sixth through hole. The first screw passes through the first through hole, the third through hole, and the fifth through hole in turn to connect to one end of the handle. The second screw It passes through the second through hole, the fourth through hole, and the sixth through hole in turn to connect with the other end of the handle.

It also includes a countersunk screw, the magnetic part is provided with a magnet fixing hole, and the countersunk screw passes through the magnet fixing hole and is connected to the magnet mounting plate.

The countersunk head screws adopt iron-plated black zinc countersunk head screws.

The plurality of side surfaces includes at least a first side surface and a second side surface, the first side surface and the second side surface are respectively located on two opposite sides of the housing, the first side surface and the second side surface are respectively oblique side surfaces, so The first side surface and the second side surface are respectively arc-transitioned with the bottom plane.

The soft protective pad is glued on the first side surface, the second side surface, and the bottom plane.

The magnetic member is a magnet.

The magnetic member includes at least a first magnet and a second magnet.

The magnetic member includes a first magnet, a second magnet, and a third magnet, and the first magnet, the second magnet, and the third magnet are distributed in a triangle shape.

The magnetic member includes a first magnet, a second magnet, a third magnet, a fourth magnet, a fifth magnet, and a sixth magnet. The first magnet, the second magnet, the third magnet, the fourth magnet, and the fifth magnet , The sixth magnet is distributed in a ring shape.

The first magnet, the second magnet, the third magnet, the fourth magnet, the fifth magnet, and the sixth magnet are respectively circular magnets.

The polarity arrangement of the first magnet, the second magnet, the third magnet, the fourth magnet, the fifth magnet, and the sixth magnet are arranged in a circular NSNSNS polarity staggered arrangement.

The soft protective pad adopts a foam board.

It should be noted:

The aforementioned "first, second..." does not represent a specific number or order, but is only used to distinguish names.

In the description of this application, it should be understood that the orientation or positional relationship indicated by the terms "bottom", "top", and "side" are based on the orientation or positional relationship shown in the drawings, or when the product of this application is used. The position or position relationship that is customarily placed, or the position or position relationship commonly understood by those skilled in the art, is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific position , It is constructed and operated in a specific orientation, so it cannot be understood as a limitation of this application.

The advantages or principles of this application are described below:

1. The front maintenance tool of the LED display screen is characterized in that it includes a housing, a magnetic part, and a soft protective pad. The slope transition design in this solution slowly transitions from the slope without magnetic parts to the bottom plane with magnetic parts. It can avoid the damage of the LED lamp beads caused by the direct contact of the bottom surface of the magnetic part of the front maintenance tool with the LED lamp board, and save the complicated mechanical transmission and circuit design, making the use and operation process of the LED screen maintenance tool easier, and at the same time Eliminates its own failures caused by complex machinery or circuit components, making it easier to use and durable; when using, first contact the oblique side of the housing with the LED light board, and then slowly rotate the front maintenance tool to make the transition smoothly through the arc transition The bottom plane makes the bottom plane contact with the LED light board. The magnetic part in the first groove of the bottom plane gradually increases the attraction force of the LED light board. After the LED light board is absorbed by the magnetic part, the LED light board is displayed from the LED When you want to put down the LED light board, slowly rotate the front maintenance tool to make the LED light board transition smoothly from contact with the bottom plane to contact with the oblique side, so that the magnetic parts gradually move away from the LED light board. When the LED light board of the LED display is taken out, the magnetic parts on it will gradually and slowly touch the LED light board, and will not directly attract the LED light board vigorously, which will damage the LED lamp beads, and glue soft on the oblique side and bottom plane. The high-quality protection pad effectively prevents the magnetic parts from directly contacting the LED lamp board during the front maintenance. The soft protection pad also plays a good buffer protection function, avoiding the damage of the magnetic parts directly contacting the lamp and facing the LED lamp beads.

2. The magnetic part is matched and installed in the first groove through the magnetic part mounting plate, which facilitates the installation of the magnetic part and makes the installation of the magnetic part in the first groove more stable. Preferably, the magnetic part mounting plate is made of iron plate Therefore, the magnetic part is fixed on the iron plate, and the iron plate is magnetized by the magnetic part, which enhances the overall magnetic force, reduces the amount of the magnetic part, and reduces the cost.

3. Pre-install the magnetic parts on the magnetic part fixing plate of the magnetic part mounting plate according to a certain arrangement, and then install them in the first groove through the first and second mounting plates of the magnetic part mounting plate to facilitate magnetism The assembly of parts improves productivity.

4. The shell includes a shell main body, a shell cover, and a shell cover, which is convenient for users to use and operate.

5. Preferably, the shell body is made of plastic material, which can effectively reduce the weight compared with the traditional metal shell, and is suitable for mass production at low cost.

6. The cover includes a cover plate and a handle. When the user uses the front maintenance tool, it is convenient for the user to take out the LED light board of the LED display by pulling the handle.

7. The front maintenance tool of the LED display screen also includes a first screw and a second screw. The first screw and the second screw respectively pass through the magnet mounting plate, the first groove, and the cover plate and are connected to the two ends of the handle. , The first screw and the second screw are hidden inside, which greatly simplifies the assembly process and improves the overall aesthetics.

8. The front maintenance tool of the LED display screen also includes countersunk screws. The magnetic parts are installed on the magnet mounting plate through countersunk screws, making the installation of the magnetic parts more stable and safe.

9. Countersunk head screws adopt iron-plated black zinc countersunk head screws to improve the anti-oxidation performance of countersunk head screws.

10. The multiple sides include at least a first side and a second side. The first and second sides are oblique sides. The double oblique side transition design is convenient for the user to smoothly transition from two directions.

11. The soft protective pad is glued on the first side, the second side, and the bottom plane to facilitate the operator to smoothly transition from the first side or the second side to the bottom plane.

12. The magnetic part is a magnet, which is convenient to obtain materials and has stable magnetism.

13. The magnetic member includes at least a first magnet and a second magnet. The preferred magnetic member includes a first magnet, a second magnet, and a third magnet. The first magnet, the second magnet, and the third magnet are distributed in a triangular shape. The second magnet and the third magnet suck the LED light board from three different parts, so that the LED light board and the front maintenance tool are adsorbed stably and firmly, and prevent the LED light board from falling during the removal process.

14. Preferably, the magnetic member includes a first magnet, a second magnet, a third magnet, a fourth magnet, a fifth magnet, a sixth magnet, the first magnet, the second magnet, the third magnet, the fourth magnet, and the fifth magnet. The magnet and the sixth magnet are distributed in a ring shape, which makes the adsorption of the LED light board and the front maintenance tool more stable and firm.

15. Preferably, the polarities of the first magnet, the second magnet, the third magnet, the fourth magnet, the fifth magnet, and the sixth magnet are arranged in a circular NSNSNS polarity staggered arrangement, and the adjacent magnet faces are NSNSNS polarities. Staggered distribution, the staggered distribution of magnet polarity not only solves the problem of magnet repulsion during installation, it is also more conducive to the enhancement of magnet attraction and reduces the amount of magnets.

16. The soft protective pad is made of foam board, which has better cushioning and protection for the lamp surface.

Description of the drawings

Fig. 1 is a three-dimensional schematic diagram of a front maintenance tool for an LED display screen according to an embodiment of the present application.

Fig. 2 is a front view of the front maintenance tool for the LED display screen of the embodiment of the present application.

Fig. 3 is an exploded view of the structure of the front maintenance tool for the LED display screen of the embodiment of the present application.

Description of reference signs:

10. Housing, 11, bottom plane, 111, first groove, 12, housing main body, 13, housing cover, 131, cover plate, 132, handle, 14, first side, 15, second side, 20, Magnetic part, 21, magnetic part fixing hole, 30, soft protective pad, 40, magnetic part mounting plate, 51, first screw, 52, second screw, 60, countersunk screw.

detailed description

The embodiments of the application are described in detail below.

As shown in Figures 1 to 3, the front maintenance tool for the LED display screen includes a housing 10, a magnetic member 20, and a soft protective pad 30. The housing 10 includes a plurality of sides and a bottom plane 11, and at least one side of the plurality of sides is The oblique side surface, the oblique side surface and the bottom plane 11 arc transition, the bottom plane 11 is provided with a first groove 111, the magnetic member 20 is installed in the first groove 111, and the soft protective pad 30 is glued on the oblique side surface and the bottom plane 11 on.

Among them, the front maintenance tool for the LED display screen also includes a magnet mounting plate 40, a first screw 51, a second screw 52, and a countersunk screw 60. The magnet mounting plate 40 matches the first groove 111, and the magnet 20 passes through The magnet mounting plate 40 is installed in the first groove 111; preferably, the magnet mounting plate 40 is made of iron plate;

The magnetic part mounting plate 40 includes a magnetic part fixing plate, a first mounting plate, and a second mounting plate. The first mounting plate and the second mounting plate are respectively located on two opposite sides of the magnetic part fixing plate. The magnetic part 20 is mounted on the magnetic part fixing plate. Above, the magnet mounting plate 40 is mounted in the first groove 111 through the first mounting plate and the second mounting plate;

The housing 10 includes a housing body 12 and a housing cover 13, a plurality of the side and bottom planes 11 are located on the housing body 12; the housing cover 13 includes a cover plate 131, a handle 132, the handle 132 is installed on the cover plate 131 The top surface of the shell body 12; preferably, the shell body 12 and the handle 132 are made of plastic materials, and the plastic materials are PE, PVC, PP, ABS, etc., and the specific materials are not limited; the cover plate 131 is made of metal materials;

The first mounting plate and the second mounting plate have a first through hole and a second through hole. The first groove 111 has a third through hole and a fourth through hole. The cover plate 131 has a fifth through hole and a sixth through hole. , The first screw 51 passes through the first through hole, the third through hole, and the fifth through hole in turn to connect to one end of the handle 132, and the second screw 52 sequentially passes through the second through hole, the fourth through hole, and the sixth through hole. Connect with the other end of the handle 132;

The magnetic part 20 is provided with a magnetic part fixing hole 21, and a countersunk screw 60 passes through the magnetic part fixing hole 21 and is connected to the magnetic part mounting plate 40; preferably, the countersunk screw 60 is an iron-plated black zinc countersunk screw 60;

The multiple side surfaces include at least a first side surface 14 and a second side surface 15. The first side surface 14 and the second side surface 15 are respectively located on two opposite sides of the housing 10. The first side surface 14 and the second side surface 15 are respectively inclined side surfaces. The side surface 14, the second side surface 15 and the bottom surface 11 are respectively arc-transitioned; the soft protective pad 30 is glued on the first side surface 14, the second side surface 15, and the bottom surface 11;

The magnetic member 20 includes a first magnet, a second magnet, a third magnet, a fourth magnet, a fifth magnet, and a sixth magnet, the first magnet, the second magnet, the third magnet, the fourth magnet, the fifth magnet, and the sixth magnet. The magnets are distributed in a ring shape; preferably, the magnetic member 20 is a magnet; preferably, the first magnet, the second magnet, the third magnet, the fourth magnet, the fifth magnet, and the sixth magnet are respectively circular magnets;

The polarity arrangement of the first magnet, the second magnet, the third magnet, the fourth magnet, the fifth magnet, and the sixth magnet are arranged in a circular NSNSNS polarity staggered arrangement;

Preferably, the soft protective pad 30 adopts a foam board.

In another embodiment, (not shown in the figure) the magnetic member 20 includes at least a first magnet and a second magnet; preferably, the magnetic member 20 includes a first magnet, a second magnet, and a third magnet. The magnets and the third magnet are distributed in a triangle;

The above embodiment has the following advantages:

1. The front maintenance tool of the LED display screen is characterized in that it includes a housing 10, a magnetic part 20, and a soft protective pad 30. The slope transition design in this solution slowly transitions from the slope of the non-magnetic part 20 to the magnetic part The bottom plane 11 of 20 can not only avoid damage to the LED lamp beads caused by the magnetic part 20 of the front maintenance tool directly contacting the LED lamp board, but also save the complicated mechanical transmission and circuit design, making the LED screen maintenance tool more effective The operation process is simpler, and at the same time, it eliminates the self-failure caused by complex machinery or circuit composition, making it easier to use and durable; when using, first contact the oblique side of the housing 10 with the LED light board, and then slowly rotate it before maintenance The tool smoothly transitions to the bottom plane 11 through the arc transition, so that the bottom plane 11 is in contact with the LED light board. The magnetic member 20 in the first groove 111 of the bottom plane 11 gradually increases the attraction force of the LED light board. After the piece 20 sucks the LED light board, remove the LED light board from the LED display. When the LED light board is to be put down, slowly rotate the front maintenance tool to make the LED light board transition from contact with the bottom plane 11 to the oblique side smoothly Touch to make the magnetic part 20 gradually move away from the LED light board. When the front maintenance tool takes out the LED light board of the LED display, the magnetic part 20 on it will gradually and slowly contact the LED light board, and will not directly attract the LED light board. To damage the LED lamp beads, glue the soft protective pad 30 on the oblique side and bottom plane 11, which effectively prevents the magnetic part 20 from directly contacting the LED lamp board during the front maintenance, and the soft protective pad 30 also It has a good buffer protection function, and avoids the damage of the magnetic member 20 directly contacting the lamp face to the LED lamp bead.

2. The magnetic component 20 is matched and installed in the first groove 111 through the magnetic component mounting plate 40, which facilitates the installation of the magnetic component 20 and makes the installation of the magnetic component 20 in the first groove 111 more stable. Preferably, the magnetic component The mounting plate 40 is made of iron plate, the magnetic member 20 is fixed on the iron plate, and the iron plate is magnetized by the magnetic member 20, which enhances the overall magnetic force, reduces the amount of the magnetic member 20, and reduces the cost.

3. Pre-install the magnetic component 20 on the magnetic component fixing plate of the magnetic component mounting plate 40 according to a certain arrangement, and then install it in the first groove 111 through the first mounting plate and the second mounting plate of the magnetic component mounting plate 40 Inside, it is convenient to assemble the magnetic parts 20 and improve productivity.

4. The housing 10 includes a housing main body 12, a housing cover 13, and the housing cover 13 is arranged to facilitate the use and operation of the user.

5. Preferably, the shell body 12 is made of plastic material, which can effectively reduce the weight compared to the traditional metal shell, and is suitable for mass production at low cost.

6. The cover 13 includes a cover plate 131 and a handle 132. When the user uses the front maintenance tool, it is convenient for the user to take out the LED light board of the LED display screen by pulling the handle 132.

7. The front maintenance tool for the LED display screen also includes a first screw 51 and a second screw 52. The first screw 51 and the second screw 52 respectively pass through the magnet mounting plate 40, the first groove 111, and the cover plate 131. By connecting with the two ends of the handle 132, the first screw 51 and the second screw 52 are hidden inside, which greatly simplifies the assembly process and improves the overall aesthetics.

8. The front maintenance tool of the LED display screen also includes countersunk screws 60, and the magnetic part 20 is installed on the magnetic part mounting plate 40 through the countersunk screws 60, so that the installation of the magnetic part 20 is more stable and safe.

9. The countersunk head screw 60 adopts the iron-plated black zinc countersunk head screw 60 to improve the anti-oxidation performance of the countersunk head screw 60.

10. The multiple sides include at least a first side 14 and a second side 15. The first side 14 and the second side 15 are oblique sides. The double oblique side transition design is convenient for the user to smoothly transition from two directions.

11. The soft protective pad 30 is glued on the first side 14, the second side 15, and the bottom plane 11 to facilitate the operator to transition from the first side 14 or the second side 15 to the bottom plane 11 smoothly.

12. The magnetic part 20 is a magnet, which is convenient to obtain materials and has stable magnetism.

13. The magnetic member 20 includes at least a first magnet and a second magnet. The preferred magnetic member 20 includes a first magnet, a second magnet, and a third magnet. The first magnet, the second magnet, and the third magnet are distributed in a triangular shape. The magnet, the second magnet and the third magnet suck the LED light board from three different parts, so that the LED light board and the front maintenance tool are adsorbed stably and firmly, and prevent the LED light board from falling during the removal process.

14. Preferably, the magnetic member 20 includes a first magnet, a second magnet, a third magnet, a fourth magnet, a fifth magnet, and a sixth magnet, the first magnet, the second magnet, the third magnet, the fourth magnet, and the The five magnets and the sixth magnet are distributed in a ring shape, which makes the adsorption of the LED light board and the front maintenance tool more stable and firm.

16. The soft protective pad 30 is made of foam board, which has better cushioning and protection for the lamp surface.

The above are only specific embodiments of this application, and do not limit the scope of protection of this application; any substitutions and improvements made on the basis of not violating the concept of this application belong to the scope of protection of this application.

Claims

The front maintenance tool for the LED display screen is characterized by comprising a housing, a magnetic part, and a soft protective pad. The housing includes a plurality of sides and a bottom plane. At least one side of the plurality of sides is an oblique side. The bottom plane has a circular arc transition, the bottom plane is provided with a first groove, the magnetic part is installed in the first groove, and the soft protective pad is glued on the inclined side surface and the bottom plane.
The front maintenance tool for the LED display screen according to claim 1, further comprising a magnetic part mounting plate, the magnetic part mounting plate is matched with the first groove, and the magnetic part passes through the magnetic part. The mounting plate is installed in the first groove.
The front maintenance tool for the LED display screen according to claim 2, wherein the magnet mounting plate is made of iron plate.
The front maintenance tool for the LED display screen according to claim 2, wherein the magnet mounting plate comprises a magnet fixing plate, a first mounting plate, and a second mounting plate, and the first mounting plate and the second mounting plate The plates are respectively located on two opposite sides of the magnetic part fixing plate, the magnetic part is mounted on the magnetic part fixing plate, and the magnetic part mounting plate is mounted on the magnetic part fixing plate through the first mounting plate and the second mounting plate. Inside the first groove.
The front maintenance tool for the LED display screen according to claim 4, wherein the housing includes a housing body and a housing cover, the housing cover is installed on the top surface of the housing body, and a plurality of the side surfaces, The bottom plane is located on the shell body.
The front maintenance tool for the LED display screen of claim 5, wherein the shell body is made of plastic material.
The front maintenance tool for the LED display screen according to claim 5, wherein the housing cover comprises a cover plate and a handle, and the handle is installed on the top surface of the housing body through the cover plate.
8. The front maintenance tool for the LED display screen of claim 7, wherein the cover plate is made of a metal material.
8. The front maintenance tool for the LED display screen according to claim 7, further comprising a first screw and a second screw, the first mounting plate and the second mounting plate have a first through hole and a second through hole, The first groove has a third through hole and a fourth through hole, the cover plate has a fifth through hole and a sixth through hole, and the first screw passes through the first through hole and the third through hole in sequence , The fifth through hole is connected to one end of the handle, and the second screw thread passes through the second through hole, the fourth through hole, and the sixth through hole in sequence and is connected to the other end of the handle.
The front maintenance tool for the LED display screen according to claim 2, further comprising a countersunk screw, the magnetic part is provided with a magnetic part fixing hole, and the countersunk screw passes through the magnetic part fixing hole and The magnetic part mounting board is connected.
The front maintenance tool for the LED display screen according to claim 10, wherein the countersunk head screws are iron black-plated zinc countersunk head screws.
The front maintenance tool for an LED display screen according to any one of claims 1 to 11, wherein a plurality of the side surfaces includes at least a first side surface and a second side surface, and the first side surface and the second side surface are respectively located at the On two opposite sides of the housing, the first side surface and the second side surface are respectively oblique side surfaces, and the first side surface and the second side surface are respectively arc-transitioned with the bottom plane.
The front maintenance tool for the LED display screen of claim 12, wherein the soft protective pad is adhered to the first side surface, the second side surface, and the bottom plane.
The front maintenance tool for an LED display screen according to any one of claims 1 to 11, wherein the magnetic member is a magnet.
The front maintenance tool for the LED display screen of claim 14, wherein the magnetic member at least comprises a first magnet and a second magnet.
The LED display front maintenance tool of claim 14, wherein the magnetic member includes a first magnet, a second magnet, and a third magnet, and the first magnet, the second magnet, and the third magnet are triangular distributed.
The LED display front maintenance tool according to claim 14, wherein the magnetic member includes a first magnet, a second magnet, a third magnet, a fourth magnet, a fifth magnet, and a sixth magnet. A magnet, a second magnet, a third magnet, a fourth magnet, a fifth magnet, and a sixth magnet are distributed in a ring shape.
The front maintenance tool for an LED display screen according to claim 17, wherein the first magnet, the second magnet, the third magnet, the fourth magnet, the fifth magnet, and the sixth magnet are respectively circular magnets.
The LED display front maintenance tool of claim 17, wherein the polarities of the first magnet, the second magnet, the third magnet, the fourth magnet, the fifth magnet, and the sixth magnet are arranged in a ring shape NSNSNS polarities are arranged alternately.
The front maintenance tool for the LED display screen according to any one of claims 1 to 11, wherein the soft protective pad is a foam board.