Corner protection device and LED display screen cabinet

Provided is a corner protection device, comprising a slide rail shaft, a corner protection and detent mechanism, and a corner protector. The slide rail shaft is fixed on the LED display screen cabinet, the corner protection and detent mechanism is fixed on the sidewall at the top of the cabinet, and the corner protector is slidably disposed on the slide rail shaft. When the corner protector slides to the top of the cabinet, the corner protection and detent mechanism can fix the corner protector on the top of the cabinet so as to protect it. Also provided is an LED display screen cabinet, comprising the corner protection device mentioned above, and a support piece arranged on the sidewall of the cabinet. When the corner protector is fixed on the top of the cabinet, the support piece and corner protector can jointly support the display screen cabinet on the support platform.

TECHNICAL FIELD

The invention belongs to the technical field of electronic display, in particular to a corner protection device and an LED display screen cabinet.

BACKGROUND

Nowadays, corner protectors for large LED display screen cabinet, are widely used in various activity sites such as stages, gymnasiums and meeting places. The corner protector display screen is usually spliced with several corner protection devices. In the process of transporting and installing the LED display screen cabinet, the four corners of the LED display screen cabinet are easily damaged due to collision, thus affecting the overall display effect of the LED display screen. In order not to damage the four corners of the LED display screen cabinet, currently, the corner protector is mainly fixed on the LED display screen cabinet by rotating and fixing the central axis. However, though the corner protector of this solution covers the two side walls at the top of the LED display screen cabinet for protection, it does not provide a limiting and fixing mechanism. The corner protector can turn back again, thus it does not have a good protection effect.

Moreover, when the LED display screen cabinet is erected while transporting, the LED display screen cabinet will shake and become unstable.

SUMMARY

One of the aims of the present invention is to provide a corner protection device to solve the technical problem in the prior art that the four corners of the LED display screen cabinet are easy to damage.

In order to achieve the above, the present application provides a corner protection device, comprising a slide rail shaft, a corner protection and detent mechanism, and a corner protector. The slide rail shaft is fixed on the LED display screen cabinet, the corner protection and detent mechanism is fixed on the side wall of the top of the LED display screen cabinet, and the corner protector is slidably connected to the slide rail shaft. When the corner protector slides to the top of the LED display screen cabinet and covers both side walls of the top of the LED display screen cabinet and the corner protection and detent mechanism, the corner protection and detent mechanism can fix the corner protector on the top of the LED display screen cabinet.

Further, it also comprises a sliding piece, wherein the slide rail shaft is provided with a slide rail matched with the sliding piece, the sliding piece is slidably disposed in the slide rail, and the corner protector is connected to the sliding piece.

Further, the sliding piece comprises a plurality of sliding shafts, and the plurality of sliding shafts are all slidably disposed in the slide rail and fixedly connected to the corner protector;

The slide rail is a through groove arranged on the slide rail shaft, and the plurality of sliding shafts are all passed through the through groove.

Further, the end of the slide rail near the top of the LED display screen cabinet is closer to the outer periphery of the LED display screen cabinet than the end of the slide rail away from the top of the LED display screen cabinet;

The corner protector is located on one side of the outer periphery of the slide rail shaft, and the distance from the end of the slide rail shaft facing the corner protector near the top of the LED display screen cabinet is closer than the distance from the end away from the top of the LED display screen cabinet, to the outer periphery of the LED display screen cabinet.

Further, the end of the slide rail shaft away from the top of the LED display screen cabinet is provided with an elastic telescopic member, when the corner protector slides to the end of the slide rail shaft away from the top of the LED display screen cabinet, the elastic telescopic member can fix the corner protector to the end of the slide rail shaft away from the top of the LED display screen cabinet.

Further, the corner protection and detent mechanism comprises an elastic detent, the side wall of the top of the LED display screen cabinet is provided with a detent hole, and the elastic detent can draw back in or stretch out of the detent hole,

when the corner protector slides to the top of the LED display screen cabinet, the elastic detent presses against the corner protector and limits the corner protector from sliding along the slide rail shaft.

Further, the elastic detent is further provided with an elastic button, and the elastic button can drive the elastic detent to draw back in or stretch out of the detent hole,

when the corner protector slides to the top of the LED display screen cabinet, the elastic button is located outside the corner protector.

Further, the corner protector is provided with a detent hole, when the corner protector slides to the top of the LED display screen cabinet, the elastic detent stretches into the detent hole.

Further, the corner protection and detent mechanism comprises a cover plate, the cover plate is provided with a through hole matched with the elastic detent and the elastic button, the elastic detent and the elastic button both stretch out of the through hole, the elastic detent and the elastic button are fixed on the LED display screen cabinet through the cover plate.

The corner protection device provided by the invention has the following beneficial effects: Compared with the prior art, the corner protector of the corner protection device can slide to the top of the LED display screen cabinet along the slide rail shaft, so as to cover and protect the two sides of the top of the LED display screen cabinet; Meanwhile, the corner protection and detent mechanism can lock the corner protector on the top of the LED display screen cabinet, improving the stability of the corner protector while protecting the LED display screen cabinet.

Another object of the present invention is to provide a corner protection device, in order to solve the technical problem in the prior art that the four corners of the LED display screen cabinet are easy to damage.

In order to achieve the above, the present invention provides an LED display screen cabinet, comprising the corner protection device mentioned in any one of the above technical solution, and a support piece arranged on the side wall of the LED display screen cabinet, when the corner protector is fixed on the top of the LED display screen cabinet, the support piece and the corner protector can jointly support the LED display screen cabinet on a support platform.

The LED display screen cabinet provided by the invention has the following beneficial effects: Compared with the prior art, the corner protection device of the LED display screen cabinet can effectively protect the four corners of the LED display screen cabinet and prevent the four corners of the LED display screen cabinet from being damaged; When the LED display screen cabinet is erected, the free end of the support piece can support the LED display screen cabinet together with the corner protector, which plays a protective role, so that the LED display screen cabinet is slightly inclined, thus improving the stability of the erected LED display screen cabinet.

DETAILED DESCRIPTION OF EMBODIMENTS

In order to make the to-be-solved technical problems, technical solutions and beneficial effects of the present invention more clear, the present invention will be described in further detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention.

It should be noted that when an element is referred to as being “fixed” or “disposed” on another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected” to another element, it may be directly connected to the other element or indirectly connected to the other element.

It should be understood that the terms “length”, “width”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer” and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the said device or element must have a specific orientation, be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In addition, in the description of the present invention, the meaning of “plurality” is two or more unless otherwise specifically indicated.

Referring toFIGS. 1 to 5, the corner protection device provided by the present invention will now be described. A corner protection device, comprising a slide rail shaft10, a corner protection and detent mechanism20, and a corner protector30. The slide rail shaft10is fixed on the LED display screen cabinet, the corner protection and detent mechanism20is fixed on the side wall at the top of the LED display screen cabinet, and the corner protector30is slidably connected to the slide rail shaft10, when the corner protector30slides to the top of the LED display screen cabinet and covers both side walls of the top of the LED display screen cabinet and the corner protection and detent mechanism20, the corner protection and detent mechanism20can fix the corner protector30on the top of the cabinet.

Compared with the prior art, the corner protection device30provided by the invention can slide to the top of the LED display screen cabinet along the slide rail shaft50, so as to cover and protect the two sides of the top of the LED display screen cabinet; Meanwhile, the corner protection and detent mechanism20can lock the corner protector30on the top of the LED display screen cabinet, improving the stability of the corner protector30while protecting the four corners of LED display screen cabinet.

Further, referring toFIGS. 5 and 7, as a specific embodiment of the corner protection device provided by the present invention, it further includes a sliding piece40, and the slide rail shaft10is provided with a slide rail11matched with the sliding piece40. The sliding piece40is slidably disposed in the slide rail11, and the corner protector30is connected to the sliding piece40. The cooperation between the sliding piece40and the slide rail11makes the sliding of corner protector30on the slide rail shaft10more smooth, stable and secure.

Further, referring toFIGS. 5 and 7, as a specific embodiment of the corner protection device provided by the present invention, the sliding piece40includes a plurality of sliding shafts41, each sliding shaft41is slidably disposed in the slide rail11and fixedly connected to the corner protector30. The matching and fitting between the corner protector30and the slide rail shaft10are improved, and the sliding of the corner protector30on the slide rail shaft10is more stable, smooth and secure.

Further, referring toFIGS. 5 and 7, as a specific embodiment of the corner protection device provided by the present invention, the slide rail11is a through groove arranged on the slide rail shaft10, and a plurality of sliding shafts41are all passed through the through groove, so that the corner protector30can be more firmly, stably and easily slidably connected to the slide rail shaft10, and the sliding of the corner protector30is smoother.

Specifically, referring toFIG. 5, two sliding shafts41are provided, which can reduce the friction between the sliding shafts41and the slide rail11, thus improving the stability and smoothness of the sliding of the corner protector30on the slide rail shaft10.

Further, referring toFIG. 5, as a specific embodiment of the corner protection device provided by the present invention, the corner protector30is L-shaped, and the inner side of the corner protector30is provided with a fixing plate extending along the length direction of the corner protector30. The slide rail shaft10is half surrounded by the fixing plate and the corner protector30, and the sliding shaft41passes through the through groove and its end is fixed on the fixing plate, so that the corner protector30can be more firmly and easily slidably disposed on the slide rail shaft10.

Specifically, the sliding shaft41can be a screw or a pin.

Further, referring toFIGS. 6 and 7, as a specific embodiment of the corner protection device provided by the present invention, the end of the slide rail11near the top of the LED display screen cabinet is closer to the outer periphery of the LED display screen cabinet than the end of the slide rail11away from the top of the LED display screen cabinet. When the corner protector30slides to the top of the LED display screen cabinet, the corner protector30can protrude outward to cover the two side walls of the top of the LED display screen cabinet, thus protecting the four corners of the LED display screen cabinet. When the corner protector30slides to the bottom of the LED display screen cabinet, the corner protector30can draw back to the inner sides of the two side walls of the LED display screen cabinet, to avoid disturbing the assembly of the LED display screen cabinet.

Further, referring toFIGS. 6 and 7, as a specific embodiment of the corner protection device provided by the present invention, one end of the slide rail11near the top of the LED display screen cabinet is bent toward the direction near the outer periphery of the LED display screen cabinet, so that the corner protector30can better protect the LED display screen cabinet, and will not disturb the assembly of the LED display screen cabinet.

Specifically, referring toFIGS. 4 and 6, the slide rail11extends from the bottom of LED display screen cabinet toward the top of LED display screen cabinet.

Further, referring toFIGS. 6 and 7, as a specific embodiment of the corner protection device provided by the present invention, the corner protector30is located on one side of the outer periphery of the slide rail shaft10. The end of the slide rail shaft10facing the corner protector30near the top of the LED display screen cabinet is closer to the outer periphery of the LED display screen cabinet than the end of the slide rail shaft10away from the top of the LED display screen cabinet. When the corner protector30slides to the top of the LED display screen cabinet, the corner protector30can protrude outwards, so that the distance between the corner protector30and the side wall of the LED display screen cabinet is closer, so that the LED display screen cabinet can be better protected; When the corner protector30slides to the bottom of the LED display screen cabinet, the corner protector30can draw back to the inner sides of the two side walls of the LED display screen cabinet, so as to avoid disturbing the assembly of the LED display screen cabinet.

Further, referring toFIGS. 6 and 7, as a specific embodiment of the corner protection device provided by the present invention, the end of the slide rail11near the top of the LED display screen cabinet bents toward the direction near the outer periphery of the LED display screen cabinet, so that the corner protector30can better protect the LED display screen cabinet, and will not disturb the assembly of the LED display screen cabinet.

Further, referring toFIG. 5, as a specific embodiment of the corner protection device provided by the present invention, the end of the slide rail shaft10away from the top of the LED display screen cabinet is provided with a shaft cover plate12. The slide rail shaft10is fixedly connected to LED display screen cabinet through the shaft cover plate12, which can make the connection of slide rail shaft10to LED display screen cabinet more firm and stable, and is convenient to fix the slide rail shaft10.

Specifically, both the shaft cover plate12and the LED display screen cabinet are provided with threaded holes, and slide rail shaft10is fixed on the LED display screen cabinet by screws.

Further, referring toFIG. 5, as a specific embodiment of the corner protection device provided by the present invention, the LED display screen cabinet is provided with a fixing hole14. The end of the slide rail shaft10near the top of the LED display screen cabinet is provided with a fixed shaft15matched with the fixed shaft14, and the fixed shaft15extends into the fixed shaft14, so that the slide rail shaft10can be more firmly fixed.

Further, referring toFIG. 7, as a specific embodiment of the corner protection device provided by the present invention, the end of the slide rail shaft10away from the top of the LED display screen cabinet is provided with an elastic telescopic member13. When the corner protector30slides to the end of the slide rail shaft10away from the top of the LED display screen cabinet, the elastic telescopic member13can fix the corner protector30to the end of the slide rail shaft10away from the top of the LED display screen cabinet. When the protection of corner protector30is not needed, the corner protector30slides to the end of the slide rail shaft10away from the top of the LED display screen cabinet, so the elastic telescopic member13can fix the corner protector30at the bottom of the LED display screen cabinet to prevent the corner protector30from sliding towards the top of the LED display screen cabinet and disturbing the assembly of the LED display screen cabinet. When the protection of corner protector30is needed, the corner protector30slides toward the top of the LED display screen cabinet, so the elastic telescopic member13can be pushed back into the slide rail shaft10, and the corner protector30can slide toward the top of the LED display screen cabinet.

Specifically, the elastic telescopic member13may be an elastic member having elasticity itself, or an elastic member obtained by fixing a rigid body at the free end of a spring.

Further, referring toFIG. 5, as a specific embodiment of the corner protection device provided by the present invention, the corner protection and detent mechanism20includes an elastic detent21, the side wall of the top of the LED display screen cabinet is provided with a detent hole211, and the elastic detent21can draw back in or stretch out of the detent hole211. When the corner protector30slides to the top of the LED display screen cabinet, the elastic detent21presses against the corner protector30and limits the corner protector30from sliding along the slide rail shaft10.

When the corner protector30slides toward the top of the LED display screen cabinet, the elastic detent21will be pushed into the detent hole211by the corner protector30. When the corner protector30is moved to the protective position (the top of the LED display screen cabinet), since the elastic detent21has a certain amount of expansion and contraction, the elastic detent21will lock the corner protector30on the protective position at the top of LED display screen cabinet by friction, thus better protecting the four corners of LED display screen cabinet from damage. When protection for the four corners of the LED display screen cabinet is not needed, users can simply slide the corner protector30toward the bottom of the LED display screen cabinet.

Specifically, referring toFIG. 5, the detent hole211is a blind hole, a spring is installed in the detent hole211, and the elastic detent21is fixed at the upper end of the spring.

Further, referring toFIG. 5, as a specific embodiment of the corner protection device provided by the present invention, the elastic detent21is provided with an elastic button22, the elastic button22can drive the elastic detent21to braw back in or stretch out of the detent hole211, when the corner protector30slides to the top of the LED display screen cabinet, the elastic button22is located outside the corner protector30.

When the corner protector30slides towards the top of the LED display screen cabinet, press down the elastic button22to drive the elastic detent21to move so that the elastic detent21can draw back into the detent hole211. When the corner protector30slides to the protective position, release the elastic button22, so that the elastic detent21can stretch out of the detent hole211, press against the corner protector30, and lock the corner protector30on the top of the LED display screen cabinet, so that the corner protector30can be more firmly and conveniently fixed on the protective position. When protection for the four corners of the LED display screen cabinet is not needed, press the elastic button22again can drive the elastic detent21to draw back into the detent hole211, thus allowing the corner protector30to slide to the bottom of the LED display screen cabinet.

Specifically, referring toFIG. 5, the side wall of the LED display screen cabinet is provided with a button hole221, and the elastic button22can draw back into the button hole221, making the elastic button22more convenient to be operated and fixed.

Specifically, referring toFIG. 5, the button hole221is a blind hole, a spring is installed in the button hole221, and the elastic button22is fixed at the upper end of the spring.

Specifically, referring toFIG. 5, the elastic detent21and elastic button22are connected by a connecting plate.

Further, as a specific embodiment of the corner protection device provided by the present invention, the corner protector30is provided with a detent hole, and when the corner protector30slides to the top of the LED display screen cabinet, the elastic detent21stretches into the detent hole, thus he corner protector30can be more firmly and conveniently fixed on the protective position of the top of the LED display screen cabinet.

Further, referring toFIG. 5, as a specific embodiment of the corner protection device provided by the present invention, the corner protection and detent mechanism20further includes a cover plate23. The cover plate23is provided with a through hole231matched with the elastic detent21and elastic button22, and both the elastic detent21and elastic button22stretch out of through hole231. The elastic detent21and elastic button22are fixed to LED display screen cabinet via the cover plate23.

The elastic detent21and elastic button22can be more conveniently fixed on the side wall of the LED display screen cabinet, it is more secure, and easier to operate.

Referring toFIG. 1, the LED display screen cabinet provided by the present invention will now be described. The LED display screen cabinet includes the corner protection device mentioned in any of the previous embodiments, and a support piece50provided on the side wall of the LED display screen cabinet. When the corner protector30is fixed on the top of the LED display screen cabinet, the support piece50and the corner protector30can jointly support the LED display screen cabinet on the support platform.

Compared with the prior art, the corner protection device provided by the invention can effectively protect the four corners of the LED display screen cabinet and prevent the four corners of the LED display screen cabinet from being damaged; When the LED display screen cabinet is erected, the free end of the support piece50can support the LED display screen cabinet together with the corner protector30, which plays a protective role, so that the LED display screen cabinet can be slightly inclined, thus improving the stability of the erected LED display screen cabinet.

Specifically, there are two support pieces50.

Further, unless otherwise required by context, singular terms shall include pluralities and plural terms shall include the singular. Thus, as used herein and in the claims, the singular forms include the plural reference and vice versa unless the context clearly indicates otherwise.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent substitution and improvement made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.