CN214580336U

CN214580336U - Foldable LED display screen

Info

Publication number: CN214580336U
Application number: CN202120843779.9U
Authority: CN
Inventors: 吕奇; 陈建明
Original assignee: Shenzhen Wodan Zhixian Technology Co ltd
Current assignee: Shenzhen Wodan Zhixian Technology Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-02
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a folded cascade LED display screen of display screen technical field, including the LED display screen, the LED display screen includes the backplate and installs the display screen on the backplate, and it has the support jointly to articulate through the installation pivot on two backplates, and the fixing base is installed through buffering subassembly to the support, and two backplates are driven its rotation by drive assembly to adjust the viewing angle of two display screens, drive assembly includes hinge bar, actuating lever, unsteady free bearing. Compared with the prior art, the beneficial effects of the utility model are that: close soon through the actuating lever screw thread on the support to the drive is floated the free bearing and is removed, and then makes the hinge lever drive the backplate upset, realizes watching the angle and adjusts, and prior art relatively, simple structure is easy and simple to handle, low in manufacturing cost through setting up buffering subassembly, makes the display screen when receiving impact or great wind-force load, can carry out effectual shock attenuation protection.

Description

Foldable LED display screen

Technical Field

The utility model relates to a display screen technical field specifically is a folded cascade LED display screen.

Background

The LED display screen is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, images, video, etc. The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, security trading and the like, and can meet the requirements of different environments.

LED display screen propaganda show marketing content, and the consumer can audio-visual understanding consumption information with the help of the LED display screen, but present LED display screen is single screen and can not be folding mostly, causes the adjustment nature of demonstration angle relatively poor, the fine display effect of the LED display screen content of not being convenient for.

In view of the above, chinese patent publication No. CN110060580A discloses an LED display screen with a foldable and retractable frame, which relates to the technical field of display screens and includes a support frame, a support column is vertically fixed at the bottom of the support frame, a frame I and a frame II are vertically arranged on the support frame, a semi-cylindrical gear I and a semi-cylindrical gear II are meshed and connected, a rotating shaft with a lower end pivoted on the support frame is vertically penetrated and fixed on each of the semi-cylindrical gear I and the semi-cylindrical gear II, a threaded rod is rotatably arranged on the support frame, a transmission threaded sleeve block is arranged on the threaded rod in a threaded connection sleeve, and pull rods are respectively hinged between the transmission threaded sleeve block and the frame I and the frame II; through the servo motor corotation or the reversal operation that sets up, realize frame I and frame II and drive LED display screen I and LED display screen II respectively and carry out the deflection of angle around the rotation axis, realize showing the regulation of angle, compare in traditional single-screen display, can realize that the demonstration of multi-angle is adjusted and the shrink is folding, has promoted the effect that shows greatly.

Among the above-mentioned prior art, through servo motor corotation or reversal operation, realize frame I and frame II and drive LED display screen I and LED display screen II respectively and carry out the deflection of angle around the rotation axis, realize showing the regulation of angle, but this kind of mode makes manufacturing cost higher, and operates comparatively inconveniently, and current display screen does not possess the shock attenuation protection in addition.

Based on this, the utility model designs a folded cascade LED display screen to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folded cascade LED display screen to the display screen manufacturing cost among the prior art who proposes in solving above-mentioned background is higher, and it is comparatively inconvenient to operate, and does not possess the problem of shock attenuation protection.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a folded cascade LED display screen, includes two LED display screens, the LED display screen includes the backplate and installs the display screen on the backplate, two it has the support jointly to articulate through the installation pivot on the backplate, the fixing base is installed, two to the support through buffering subassembly the backplate is driven its along articulated department with the support and is rotated by drive assembly, in order to adjust two the viewing angle of display screen, drive assembly is including articulating the hinge lever on two backplates, the actuating lever is worn to be equipped with by the horizontal screw thread on the support, it is connected with unsteady free bearing to rotate on the actuating lever, the one end correspondence that the backplate was kept away from to the hinge lever articulates in unsteady free bearing both sides relatively.

Preferably, a ball head is coaxially and fixedly connected to the driving rod, and a spherical clamping groove which is used for clamping the ball head and can freely rotate is formed in the floating hinged support.

Preferably, the bracket is provided with a protrusion, and the driving rod is threaded through the protrusion.

Preferably, the buffer assembly comprises two telescopic sleeves horizontally and fixedly connected to the fixed seat, telescopic columns are inserted into the telescopic sleeves, one ends of the two telescopic columns penetrating out of the telescopic sleeves are connected to the support together, springs are horizontally arranged in the telescopic sleeves, two ends of the spring in the elastic direction elastically abut against the telescopic columns and the fixed seat respectively, and the telescopic columns are limited by the limiting units in horizontal movement.

Preferably, the limiting unit comprises a pin shaft penetrating through the telescopic column, and a kidney-shaped groove for inserting the pin shaft and allowing the pin shaft to freely slide along the axial direction of the telescopic sleeve is formed in the outer wall of the telescopic sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: close soon through the actuating lever screw thread on the support to the drive is floated the free bearing and is removed, and then makes the hinge lever drive the backplate upset, realizes watching the angle and adjusts, and prior art relatively, simple structure is easy and simple to handle, low in manufacturing cost through setting up buffering subassembly, makes the display screen when receiving impact or great wind-force load, can carry out effectual shock attenuation protection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the three-dimensional structure of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure at A in FIG. 2;

fig. 4 is a side view of the three-dimensional structure of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-display screen, 2-back plate, 3-support, 4-hinge rod, 5-floating hinge seat, 6-driving rod, 7-telescopic column, 8-kidney slot, 9-telescopic sleeve, 10-fixed seat, 11-ball head, 12-pin shaft and 13-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a foldable LED display screen comprises two LED display screens, each LED display screen comprises a back plate 2 and a display screen 1 installed on the back plate 2, the two back plates 2 are hinged to a support 3 through installation pivots, the support 3 is integrally formed into a transverse U shape, two horizontal sections of the support are hinged to the back plates 2, a fixing seat 10 is installed on the support 3 through a buffering component, the buffering component comprises two telescopic sleeves 9 horizontally and fixedly connected to the fixing seat 10, telescopic columns 7 are inserted into the telescopic sleeves 9, one ends, penetrating out of the telescopic sleeves 9, of the two telescopic columns 7 are connected to the support 3 together, springs 13 are horizontally arranged in the telescopic sleeves 9, two ends of each spring 13 in the elastic direction elastically abut against the telescopic columns 7 and the fixing seat 10 respectively, the telescopic columns 7 are limited in horizontal movement by limiting units, each limiting unit comprises a pin shaft 12 penetrating through the telescopic columns 7, and a pin shaft 12 for insertion of the pin shafts 12 is arranged on the outer walls of the telescopic sleeves 9, And can freely slide along the telescopic sleeve 9 axial direction the kidney-shaped groove 8, when the telescopic post 7 slides in the telescopic sleeve 9, through the round pin 12 in the kidney-shaped groove 8 and spacing, make the telescopic post 7 slide in the telescopic sleeve 9 and have spacing, when the display screen 1 is impacted or the effect of the great wind load, through the elastic expansion of the spring 13, and then can carry on the shock absorption protection to the display screen 1, two back boards 2 are driven by the drive assembly to rotate along the hinged position with the bracket 3, in order to adjust the viewing angle of two display screens 1, the drive assembly includes the hinge rod 4 hinged on two back boards 2, the horizontal thread on the bracket 3 is penetrated with the driving lever 6, a bulge is arranged on the bracket 3, the thread of the driving lever 6 is penetrated through the bulge, through setting up the bulge, make the thickness of the bracket 3 can be reduced, reduce the whole weight, the floating hinge seat 5 is rotatably connected on the driving lever 6, specifically, coaxial rigid coupling has a bulb 11 on the actuating lever 6, offer on the free hinged support 5 and supply bulb 11 block, and spherical clamping groove that can free rotation, it is spacing at spherical clamping groove internal rotation through bulb 11, make actuating lever 6 rotate with free hinged support 5 and be connected, the one end correspondence that backplate 2 was kept away from to hinge rod 4 articulates in the relative both sides of free hinged support 5, when adjusting the viewing angle of display screen 1, at first rotate actuating lever 6, actuating lever 6 closes soon at support 3 upper thread, actuating lever 6 rotates with free hinged support 5 simultaneously and is connected, and then drive 5 horizontal migration of free hinged support, remove the in-process, make hinge rod 4 drive backplate 2 along rotating with the articulated department of support 3, and then adjust the viewing angle of display screen 1.

The utility model discloses a use: when the viewing angle of the display screen 1 is adjusted, firstly, the driving rod 6 is rotated, the driving rod 6 is screwed on the support 3, meanwhile, the driving rod 6 is rotatably connected with the floating hinged support 5, so that the floating hinged support 5 is driven to horizontally move, and in the moving process, the hinge rod 4 drives the backboard 2 to rotate along the hinged position with the support 3, so that the viewing angle of the display screen 1 is adjusted;

when display screen 1 receives impact or great wind load effect, display screen 1 produces pressure to support 3, and support 3 and then to spring 13 production extrusion force, and elastic expansion through spring 13, and then can carry out the shock attenuation protection to display screen 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," 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, the schematic representations of the terms used above 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.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A foldable LED display screen comprises two LED display screens, wherein each LED display screen comprises a back plate (2) and a display screen (1) arranged on the back plate (2), it is characterized in that the two back plates (2) are hinged with a bracket (3) through a mounting pivot, the bracket (3) is provided with a fixed seat (10) through a buffer component, the two back plates (2) are driven by a driving component to rotate along the hinged position of the bracket (3), so as to adjust the viewing angle of the two display screens (1), the driving component comprises a hinge rod (4) hinged on the two back plates (2), a driving rod (6) is arranged on the bracket (3) in a penetrating way through horizontal threads, a floating hinged support (5) is rotatably connected on the driving rod (6), one end of the hinge rod (4) far away from the back plate (2) is correspondingly hinged on two opposite sides of the floating hinge seat (5).

2. The foldable LED display screen according to claim 1, wherein a ball (11) is coaxially and fixedly connected to the driving rod (6), and a spherical slot for engaging the ball (11) and allowing free rotation is formed in the floating hinge base (5).

3. Foldable LED display screen according to claim 1, characterised in that the frame (3) is provided with a protrusion through which the driving rod (6) is threaded.

4. The foldable LED display screen according to claim 1, wherein the buffer assembly comprises two telescopic sleeves (9) horizontally and fixedly connected to the fixing base (10), the telescopic sleeves (9) are inserted with the telescopic columns (7), one ends of the telescopic columns (7) penetrating out of the telescopic sleeves (9) are jointly connected to the support (3), a spring (13) is horizontally arranged in the telescopic sleeves (9), two ends of the spring (13) in the elastic direction respectively elastically abut against the telescopic columns (7) and the fixing base (10), and the telescopic columns (7) are limited by a limiting unit in horizontal movement.

5. The foldable LED display screen according to claim 4, wherein the limiting unit comprises a pin (12) penetrating through the telescopic column (7), and the outer wall of the telescopic sleeve (9) is provided with a kidney-shaped groove (8) for the pin (12) to be inserted and combined and capable of freely sliding along the axial direction of the telescopic sleeve (9).