CN107680495B

CN107680495B - LED display screen

Info

Publication number: CN107680495B
Application number: CN201711006594.7A
Authority: CN
Inventors: 徐陈爱; 吴明金; 余刚
Original assignee: Shendecai Technology Shenzhen Co ltd
Current assignee: Shendecai Technology Shenzhen Co ltd
Priority date: 2017-10-25
Filing date: 2017-10-25
Publication date: 2024-06-28
Anticipated expiration: 2037-10-25
Also published as: CN107680495A

Abstract

The embodiment of the invention provides an LED display screen, wherein at least one group of hoisting mechanisms is arranged at the top end of the back surface of an LED box body, and positioning holes are arranged at the bottom end of the back surface of the LED box body. According to the LED display screen, under the condition that the accuracy is ensured, quick hoisting can be realized, so that the LED display screen can be quickly hoisted in any place, and the working efficiency is greatly improved.

Description

LED display screen

Technical Field

The invention relates to the technical field of LEDs, in particular to an LED display screen.

Background

With the development of the LED display technology, the LED display screen is widely applied to various places, both outdoor and indoor applications, and the LED display screen needs to be built. Under the assistance of the basic supporting wall surface, the installation of the LED display screen can be realized only through suspension, and the large-sized LED display screen is formed by splicing a plurality of LED display modules, so that the hoisting engineering of the large-sized LED display screen is more complicated. In order to simplify the hoisting operation and improve the construction efficiency, a special hoisting device is often used.

The existing hoisting structure of the LED display screen is generally heavy, and when the LED display module is expanded, the operation is troublesome, the installation accuracy is low, and the display effect is further affected.

Disclosure of Invention

The embodiment of the invention provides an LED display screen, which can realize the rapid hoisting of the LED display screen in any place under the condition of ensuring the precision, and greatly improves the working efficiency.

In order to solve the problems, the invention provides an LED display screen, which comprises an LED box body, wherein the LED box body comprises a display surface and a back surface opposite to the display surface, and the back surface of the LED box body is provided with: at least one set of hoisting mechanisms; the hoisting mechanism is arranged at the top edge of the back surface of the LED box body, and a positioning hole is formed at the bottom edge of the back surface of the LED box body; the hoisting mechanism comprises: locking the pin; the pin lock comprises a pin, a mounting seat, a rotatable first gear and a first latch, wherein the first gear is mounted at the bottom of the mounting seat and is fixedly connected with the pin, and the first latch is mounted at the side end of the mounting seat through a fixing bolt.

Optionally, the back of the LED box is further provided with: at least one group of positioning pins distributed along two ends of one side edge of the LED box body, wherein the positioning pins can slide outwards along the installation position corresponding to the positioning pins; and the opposite side of the side edge of the positioning pin is correspondingly provided with a mounting hole for fixing the positioning pin.

Optionally, the positioning pin includes: the pin shaft, the second gear, the second latch and the return spring;

The second gear is fixedly connected with the pin shaft;

The second gear and the second latch are meshed with each other;

the return spring is fixed with the second latch through a return spring mounting hole arranged on the second latch.

Optionally, the hoisting mechanism further includes: a button and a handle;

The button is connected to one side of the mounting seat through a rotating shaft, and a bump is arranged on the back side of the button;

The handle is fixedly connected with the mounting seat.

Optionally, the first gear is provided with a first limiting protrusion and a second limiting protrusion, and the gear tooth part of the first gear is arranged in the first limiting protrusion and the second limiting protrusion.

Optionally, a third limiting protrusion is further arranged on the outer side of the first gear in the hoisting mechanism, and the third limiting protrusion is arranged on the inner side of the frame of the handle.

Optionally, at least one first handle is installed on the top end of the LED box body, and at least one second handle is installed on two sides of the box body.

Optionally, adjusting gaskets are arranged at the upper end and the lower end of the positioning hole, and the adjusting gaskets are fixed at the inner side and the outer side of the LED box body.

Optionally, a wrench is arranged on the outer side of the positioning pin, and a boss for pushing the second latch is arranged on the inner side of the wrench.

Optionally, the front of LED box is equipped with the module installation mount that is used for installing the module, module installation mount is circular to be equipped with the screens that are used for the module to fix in both sides.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a rear perspective view of an LED display screen according to an embodiment of the present invention;

fig. 2a is a schematic structural diagram of the hoisting mechanism of the LED display screen;

fig. 2b is a schematic diagram of an internal structure of the lifting mechanism of the LED display screen shown in fig. 2 a;

FIG. 2c is a bottom view of the internal structure of the LED display screen lifting mechanism shown in FIG. 2 a;

fig. 2d is a schematic diagram of a movement direction of the lifting mechanism of the LED display screen shown in fig. 2 a;

Fig. 3a is a schematic diagram of an internal structure of a positioning pin of an LED display screen according to an embodiment of the present invention;

Fig. 3b is a schematic structural diagram of a positioning pin of an LED display screen according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.

Referring to fig. 1 to 2d, in an embodiment of the LED display screen of the present invention, the LED display screen includes an LED housing 10, the LED housing 10 includes a display surface and a back surface opposite to the display surface, and the back surface is provided with: at least one set of lifting mechanisms 20.

The hoisting mechanism 20 is installed at the top edge of the back of the LED box 10, and the bottom edge of the back of the LED box 10 is provided with a positioning hole 12.

The hoisting mechanism 20 includes: pin latch 203.

Pin latch 203 includes a pin, a mount 206, a rotatable first gear 204, a first latch 205. The first gear 204 is mounted at the bottom of the mounting seat 206 and is connected with a pin, and the first latch 205 is mounted at the side end of the mounting seat 206 through a fixing bolt.

The positioning hole 12 is used for being installed in a matched mode with the hoisting mechanism 20. Specifically, the positioning hole of one LED housing is used for being installed in a mating manner with the hanging mechanism 20 of the adjacent LED housing 10. In one embodiment, the upper and lower ends of the positioning hole 12 are provided with adjusting gaskets 121, and the adjusting gaskets 121 are fixed on the inner and outer sides of the LED box 10.

In this embodiment, the hoisting mechanism further includes: a button 202 and a handle 201.

The button 202 is connected to one side of the mounting base 206 through a rotation shaft, a bump 207 is provided on the back side of the button 202, and the bump 207 is fixed to the back side of the button 202.

The handle 201 is fixedly connected with the mounting seat 206.

When the LED display screen box body 10 is assembled through the hoisting mechanism 20, the handle 201 is grasped by both hands and lifted to the bottom of the other LED box body 10 during use, the positioning shaft 13 of the LED box body 10 is used for positioning for the first time, after positioning and determining, the handle 201 is twisted, the pin lock 203 is pushed out and clamped into the positioning hole 12 of the other LED box body 10, the button 202 is pressed down, the button 202 is rotated along the A-A' direction shown in fig. 2d, the clamping state is adjusted, the button 202 is released again, and at the moment, the first clamping gear 205 props against the first gear 204 to complete locking.

In one embodiment, the first gear 204 is provided with a first limiting protrusion 2042 and a second limiting protrusion 2043, and the gear teeth of the first gear 204 are partially disposed in the first limiting protrusion 2042 and the second limiting protrusion 2043.

The first gear 204 inside the hoisting mechanism 20 is further provided with a third limiting protrusion 2041, and the third limiting protrusion 2041 is disposed inside the frame of the handle 201.

Referring to fig. 3a to 3b, the back surface of the led housing 10 is provided with: at least one group of locating pins 30 distributed along two ends of one side edge of the LED box body 10, the locating pins 30 can slide outwards along the installation position corresponding to the locating pins 30, the length of each locating pin 30 is at least 2 times greater than the thickness of the frame of the LED box body 10, the locating pins 30 are T-shaped buckles, and when two box bodies are spliced, the locating pins 30 slide out and are buckled to the corresponding installation holes 11 of the other LED box body 10, and the wrench 303 is twisted to be locked.

The positioning pin 30 comprises a pin shaft 307, a second gear 302, a second latch 306 and a return spring 301, wherein the second gear 302 is fixedly connected with the pin shaft 307, a return spring 301 mounting hole is formed in the second latch 306, and the return spring 301 is fixedly connected with the second latch. The return spring is fixed with the second latch through a return spring mounting hole arranged on the second latch.

In one embodiment, the outer side of the positioning pin 30 is provided with a wrench 303, and the inner side of the wrench 303 is provided with a boss 305 for pushing the second latch 306.

When the locking pin 30 is locked, the wrench 303 is twisted, the second gear 302 rotates along the direction B-B' as shown in fig. 3a, and the second gear 302 rotates until the second gear cannot twist, or the second gear 302 is limited on one side and is in interference with the maximum limit in the wrench 303, so that the second gear cannot rotate, and the second gear is locked.

The second latch 306 of the positioning pin is engaged with the second gear 302, the second gear 302 is fixedly connected with the second pin shaft 307, and rotates around the pin shaft 307, and the boss 305 is arranged on the symmetrical side of the second latch 306. When the splice case 10 is disassembled, the boss 305 is pushed to rotate along the direction C-C' as shown in fig. 3a, the second latch 306 is separated from the second gear 302, and the second gear 302 is not stressed, so that the second gear 302 can be loosened for disassembly. The spring 301 makes the second latch 306 prop against the second gear 302 due to the elastic force in the tightening process, so as to fix the gear limiting function.

At least one first handle 41 is arranged on the top end of the LED box body 10, at least one second handle 42 is arranged on two sides of the box body, and mounting holes 11 for fixing the positioning pins 30 are arranged on two sides of the second handle 42.

The front of the LED box 10 is provided with a module mounting fixing frame 40 for mounting a module, the module mounting fixing frame 40 is circular, and two sides of the module mounting fixing frame are provided with clamping positions for fixing the module.

The embodiment of the invention discloses an LED display screen, which comprises an LED box body and at least one group of hoisting mechanisms; the LED box body comprises a display surface and a back surface opposite to the display surface, and at least one group of positioning pins distributed along two ends of one side of the LED box body are further arranged on the back surface and can slide outwards along corresponding mounting holes. The hoisting mechanism comprises a pin lock, a button and a handle, wherein the pin lock comprises a pin, a mounting seat and a rotatable fixed gear, the gear is mounted at the bottom of the mounting seat and fixedly connected with the pin, and the latch is mounted at the side end of the mounting seat through a fixing bolt. Through the mode, the scheme can be used for grabbing the handle of the hoisting mechanism, so that express hoisting is realized.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a LED display screen, includes the LED box, the LED box include the display surface and with the back that the display surface is relative, its characterized in that is provided with on the back of LED box: at least one set of hoisting mechanisms; the hoisting mechanism is arranged at the top edge of the back surface of the LED box body, and a positioning hole is formed at the bottom edge of the back surface of the LED box body; the hoisting mechanism comprises: locking the pin; the pin lock comprises a pin, a mounting seat, a rotatable first gear and a first latch, wherein the first gear is mounted at the bottom of the mounting seat and is fixedly connected with the pin, and the first latch is mounted at the side end of the mounting seat through a fixing bolt;

The hoisting mechanism further comprises: a button and a handle; the button is connected to one side of the mounting seat through a rotating shaft, and a bump is arranged on the back side of the button; the handle is fixedly connected with the mounting seat;

the first gear is provided with a first limiting protrusion and a second limiting protrusion, and the gear tooth part of the first gear is arranged in the first limiting protrusion and the second limiting protrusion;

A third limiting protrusion is further arranged on the outer side of the first gear in the hoisting mechanism, and the third limiting protrusion is arranged on the inner side of the frame of the handle;

The back of the LED box body is also provided with: at least one group of positioning pins distributed along two ends of one side edge of the LED box body, wherein the positioning pins can slide outwards along the installation position corresponding to the positioning pins; the opposite side of the side edge of the positioning pin is correspondingly provided with a mounting hole for fixing the positioning pin;

The locating pin includes: the pin shaft, the second gear, the second latch and the return spring; the second gear is fixedly connected with the pin shaft; the second gear and the second latch are meshed with each other; the return spring is fixed with the second latch through a return spring mounting hole arranged on the second latch;

the upper end and the lower end of the positioning hole are provided with adjusting gaskets, and the adjusting gaskets are fixed on the inner side and the outer side of the LED box body.

2. The LED display screen of claim 1, wherein at least one first handle is mounted on the top end of the LED housing, and at least one second handle is mounted on both sides of the housing.

3. The LED display screen of claim 1, wherein a wrench is provided on the outer side of the positioning pin, and a boss for pushing the second latch is provided on the inner side of the wrench.

4. The LED display screen of claim 1, wherein the front surface of the LED housing is provided with a module mounting fixture for mounting the module, the module mounting fixture is circular, and two sides are provided with a clamping position for fixing the module.