CN218434707U

CN218434707U - Tray lifting system for folding display screen

Info

Publication number: CN218434707U
Application number: CN202222354898.5U
Authority: CN
Inventors: 王宁; 刘怡彤
Original assignee: Onumen Technology Co ltd
Current assignee: Onumen Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-02-03
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a tray operating system for folding display screen, include: connect the fixing device at folding display screen top, set up the lifting device on fixing device, can place the tray of folding display screen, lift and draw the device and connect the tray through many connecting rib lines to can drive the tray and reciprocate, the loading end of tray is including placing folding display screen place the district and maintain the passageway, the middle part and the both ends of maintaining the passageway all are connected with the connecting rib line, just the back when maintaining the passageway and being located folding display screen and expandes. The utility model discloses a tray rear portion extends and forms the maintenance passageway, makes things convenient for the staff to maintain the display screen, reduces the cost of maintenance of folding display screen. And a plurality of steel wires are used for hanging and pulling the maintenance channel at the rear part of the tray, and the balancing weight is additionally arranged below the maintenance channel, so that the moment generated by the balancing weight at the rear part of the tray is greater than the moment generated by the folding display screen at the front part of the tray, the middle of the front part of the tray is not bent and deformed, and the folding display screen is prevented from being damaged.

Description

Tray lifting system for folding display screen

Technical Field

The utility model relates to a folding display screen installs technical field, especially relates to a tray operating system for folding display screen.

Background

An LED display (LED display) is a flat panel display, which is a device composed of small LED module panels for displaying various information such as text, image, video, and video signals.

The existing display screens can be roughly divided into two types according to the size, and one type is a small display screen which is used on a mobile phone, a computer, a flat panel or a television. Another type is a large display screen such as an advertisement screen installed on a building, or a folding display screen combined by a plurality of display panels.

Wherein, the implementation of folding display screen has a lot of varieties, for example place folding display screen on the tray, when the folding display screen of current adoption tray needs the maintenance, because the screen height is very high, must build the scaffold frame or use the lift, just can send the maintenance personal to the screen back to maintain, very inconvenient. In addition, the front of the screen cannot be shielded by steel wires, otherwise, the viewing effect of the display screen is influenced, so that the front of the tray can only be provided with two steel wires at end points on two sides, the front part of the middle position of the tray is inevitably bent downwards, and the tray is broken when being used for a long time. The curved tray may also damage the folded display.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem among the above-mentioned prior art, provide a tray operating system for folding display screen.

The utility model adopts the technical proposal that:

the utility model provides a tray operating system for folding display screen, include: the foldable display screen carrying device comprises a fixing device connected with the top of the foldable display screen, a lifting device arranged on the fixing device and a tray capable of placing the foldable display screen, wherein the lifting device is connected with the tray through a plurality of connecting rib lines and can drive the tray to move up and down, the carrying surface of the tray comprises a placing area for placing the foldable display screen and a maintenance channel, the connecting rib lines are connected to the middle part and two ends of the maintenance channel, and the maintenance channel is located on the back face of the foldable display screen when the foldable display screen is unfolded.

Preferably, the placement area is adjacent to the service aisle and is two parallel rectangular areas.

Furthermore, the bottom of the tray corresponding to the maintenance channel is provided with a balancing weight.

Furthermore, the bottom of tray is located be equipped with the counter weight storehouse under the maintenance passageway, the balancing weight is placed in the counter weight storehouse.

Furthermore, a guardrail is arranged on the outer side of the maintenance channel.

The lifting device comprises: the lifting device comprises a lifting plate, a lifting steel wire, a steel wire winding drum and a motor. The motor and the steel wire reel are installed on the bottom surface of the fixing device, the steel wire reel is driven to tighten and release the lifting steel wire, one side of the connecting plate is connected with the lifting steel wire, the other side of the connecting plate is connected with all the connecting rib lines, pulleys are arranged on the bottom surface of the fixing device corresponding to each connecting rib line, and each connecting rib line bypasses the corresponding pulley to be vertically and downwards connected with the tray.

Preferably, the connecting rib wires are steel wires.

Compared with the prior art, the utility model discloses a directly set up the maintenance passageway on the tray, make things convenient for the staff to maintain the display screen, reduce folding display screen's cost of maintenance to the tray rear portion extends and forms the maintenance passageway. And a plurality of steel wires are used for hoisting and pulling the rear part of the tray, namely the maintenance channel, and a balancing weight is additionally arranged below the maintenance channel, so that the moment generated by the balancing weight at the rear part of the tray is greater than the moment generated by the screen at the front part of the tray, and the middle of the front part of the tray is not bent and deformed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions 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 the drawings without inventive labor.

Fig. 1 is a schematic structural diagram in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the hidden foldable display screen in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of another view angle in the embodiment of the present invention.

1. A top plate; 2. folding the display screen; 3. a pulley; 4. connecting the rib lines;

5. a tray; 51. a placement area; 52. maintaining the channel; 53. a placement plate; 6. a balancing weight;

7. a lifting device; 71. a motor; 72. a wire drum; 73. lifting the steel wire; 74. and lifting the plate.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The folding display screen is formed by hinging a plurality of display units in series from top to bottom, namely, the first display unit and the second display unit at the top can be folded outwards, the second display unit and the third display unit can be folded inwards, and the third display unit and the fourth display unit can be folded outwards and are connected to the Nth display unit according to the rule. The specific structure of the foldable display screen has been applied in the prior art, and therefore, is not described in detail.

The folding display screen that current adoption tray scheme does not have the maintenance passageway, when will maintaining folding display screen, because the screen height is very high, must build the scaffold frame or use the lift, just can send the maintenance personal to the screen and maintain behind one's back, and is very inconvenient. In addition, because there can not be the steel wire in front of the screen and shelter from, otherwise influence the viewing effect of display screen, consequently, the front of tray can only set up two steel wires at both sides extreme point, and the front portion of tray intermediate position can the bending downwards of unavoidable, and long-term use tray has the fracture risk. The curved tray can also damage the folded display. The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, the utility model provides a tray operating system for folding display screen, include: fixing device, tray 5, carry and draw device 7. The fixture is mounted on the top as a top support. Folding display screen 2 comprises articulated display element about the polylith, is located a display element on the top and is connected through many connecting rib lines 4 with fixing device. Lifting device 7 is installed on fixing device for pulling connecting rib line 4, the last a plurality of pulleys 3 that are equipped with of fixing device, every pulley 3 corresponds a connecting rib line 4, through lifting device 7 pulling connecting rib line 4, the length of the vertical portion of connecting rib line 4 below adjustment pulley 3, tray 5 is connected to connecting rib line 4 lower extreme, make tray 5 suspend in midair below fixing device and keep the level, can adjust the height of tray 5 through lifting device 7 pulling connecting rib line 4 promptly. Tray 5's loading face is including placing district 51 and maintenance passageway 52 of placing folding display screen 2, when tray 5 transfers, folding display screen 2 can expand because of weight and a lesson automatically, when tray 5 rose, folding display screen 2 can follow supreme a lesson automatic folding place in the district 51 of placing of tray 5 down, the back when maintenance passageway 52 was located folding display screen 2 and expanded, and the middle part and the both ends of maintenance passageway 52 all are connected with connection muscle line 4. Thereby when folding display screen 2 needs maintenance, maintenance person can be directly at maintenance passageway 52 to the maintenance of folding display screen 2 muscle line, need not build the scaffold frame or use the lift to send maintenance person to the screen and maintain behind one's back, thereby reduce folding display screen's cost of maintenance, all connect the connection muscle line at the middle part and the both ends of maintenance passageway 52 in addition, can improve the intensity of tray, prevent to lead to the bending in the middle part of the tray because folding display screen's width is too big.

The maintenance passage 52 and the placing area 51 are two adjacent and parallel rectangular areas, so that maintenance personnel can directly walk transversely in the maintenance passage to maintain each area of the folding display screen. In addition, the guardrail is arranged on the outer side of the maintenance channel, and the safety during maintenance is improved.

In a specific implementation, four sets of two connecting rib lines 4 are arranged in the area of the maintenance channel 52 of the connection tray, and the four sets of connecting rib lines 4 are connected to two sides of the maintenance channel 52 respectively and are uniformly spaced. Meanwhile, two ends of the placing area 51 are also respectively connected with a connecting rib wire 4, and particularly can be connected to the front side of the placing area 51.

The bottom of the maintenance passage 52 is provided with a counterweight 6, and the counterweight 6 can be placed at the middle position right below the maintenance passage 52, or a strip can be directly arranged right below the maintenance passage 52. Thereby through connecting at the connection muscle line 4 at maintenance passageway 52 middle part as the fulcrum, guarantee that the moment that balancing weight 6 produced at tray 5 rear portion (maintenance passageway 52 promptly) is greater than the moment that the screen produced at tray 5 front portion (place the district 51 of placing folding display screen promptly), through increasing balancing weight 6, can guarantee tray 5 front portion (place the middle part of district 51) and not bending deformation, avoid folding display screen to place on crooked tray 5 and lead to the damage of folding display screen.

The bottom of tray 5 is equipped with the counter weight storehouse, specifically sets up one and the parallel and spaced thing board 53 of putting of tray 5 loading surface in the bottom of maintenance passageway 52, and the bottom surface of the maintenance passageway 52 of tray 5 is connected to the rethread multiple vertical connecting rods to the thing space of putting on the messenger puts the board 53 uses as the counter weight storehouse.

In other embodiments, the weight 6 may be disposed directly under the maintenance passage 52 in other manners, so as to increase the weight behind the tray 5, so that the tray 5 is kept horizontal and stable when the foldable display screen 2 is unfolded and retracted, which is within the protection scope of the present invention.

As shown in fig. 3, the pulling device 7 specifically includes: a pulling plate 74, a pulling wire 73, a wire drum 72 and a motor 71. The motor 71 and the wire reel 72 are installed on the bottom surface of the top plate 1, the motor 71 can drive the wire reel 72 to tighten and release the lifting steel wires 73, the lifting plate 74 is driven to translate towards one end or the other end of the top plate 1, one side of the lifting plate 74 is connected with the lifting steel wires 73, the other side of the lifting plate 74 is transversely connected with all the connecting rib wires 4, and therefore the stress of each connecting rib wire 4 is uniform. Carry arm-tie 74 is connected to the one end of connection muscle line 4, and the vertical tray 5 of connecting downwards is connected to the 3 redirecting of pulley of rethread fixing in roof 1 bottom surface to when driving carry arm-tie 74 translation through motor 71, drive tray 5 and move from top to bottom, expand promptly or withdraw folding display screen 2.

The fixing device may be a top plate 1, or directly a ceiling, a top bracket, or the like, taking the top plate 1 as an example, the bottom surface fixing platform connecting rib lines 4 of the top plate 1 may be steel wires or other rib lines with high tensile strength.

In the specific working process:

when the tray 5 descends and the foldable display screens 2 are unfolded section by section, the weight of the foldable display screens 2 acting on the front part (the placing area 51) of the tray 5 is reduced, at the moment, the tray 5 has a tendency of backward tilting, namely, the foldable display screens incline backwards towards the maintenance channel 52 at the rear part of the tray 5, but because the rear part (namely, the maintenance channel 52) of the tray 5 is provided with a plurality of connecting rib lines 4 for hanging and pulling, at the moment, the whole tray 5 can be kept horizontal without inclining, and the opening process of the screens is ensured to be stable and reliable.

When the tray 5 is lifted and the foldable display screen 2 is folded, the weight of the foldable display screen 2 acting on the front part (the placing area 51) of the tray 5 is increased, at the moment, the backward tilting tendency of the tray 5 is gradually weakened, namely, the backward tilting tendency of the maintenance channel 52 towards the rear part of the tray 5 is gradually weakened, and the tray 5 is always kept horizontal.

It is noted that the terminology used above is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tray lifting system for a folding display screen, comprising: the foldable display screen lifting device is characterized in that the carrying surface of the tray comprises a placing area and a maintenance channel, the placing area and the maintenance channel are used for placing the foldable display screen, the middle portion and the two ends of the maintenance channel are connected with the connecting rib lines, and the maintenance channel is located on the back face of the foldable display screen when the foldable display screen is unfolded.

2. The tray lifting system for a foldable display screen of claim 1, wherein the placement area is adjacent to the service aisle as two parallel rectangular areas.

3. The tray lifting system for a foldable display screen of claim 1, wherein the tray has a weight corresponding to the bottom of the service aisle.

4. The tray lifting system for a foldable display screen of claim 3, wherein the bottom of the tray is located right below the maintenance channel and is provided with a counterweight chamber, and the counterweight is placed in the counterweight chamber.

5. The tray lifting system for a foldable display screen of claim 1, wherein a guardrail is provided outside the service aisle.

6. The tray lifting system for a foldable display screen of claim 1, wherein the lifting device comprises: the lifting device comprises a lifting plate, a lifting steel wire, a steel wire reel and a motor; the motor and the steel wire reel are installed on the bottom surface of the fixing device, the motor drives the steel wire reel to tighten and release the lifting steel wire, one side of the connecting plate is connected with the lifting steel wire, the other side of the connecting plate is connected with all the connecting rib lines, pulleys are arranged on the bottom surface of the fixing device corresponding to each connecting rib line, and each connecting rib line bypasses the corresponding pulley to be vertically connected with the tray downwards.

7. The tray lifting system for a foldable display screen of claim 1, wherein the connecting rib lines are steel wires.