CN210531339U

CN210531339U - Splicing screen with convertible form

Info

Publication number: CN210531339U
Application number: CN201921582853.5U
Authority: CN
Inventors: 张兰兰; 刘乔; 李鹏鲲; 李佳梅; 吕英; 贺井武; 胡燕; 王海娟
Original assignee: Oriental Expo Services Beijing Co Ltd
Current assignee: Oriental Expo Services Beijing Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-15
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to the technical field of exhibition equipment, in particular to a splicing screen with a convertible form, which comprises a display screen, a stand column, a telescopic structure and an adjusting structure, wherein the stand column is provided with a circle at intervals, the telescopic structure comprises a fixed rod and a telescopic rod, the fixed rod is uniformly distributed on the stand column in the row direction, the telescopic rod is inserted in the fixed rod, the stand column is fixedly connected with a cylinder at the position deviating from the fixed rod, and the output end of the cylinder passes through the stand column and is coaxially and fixedly connected with the telescopic rod; the adjusting structure can adjust the rotation angles of all the display screens of the row at the same time. The utility model discloses have the concatenation screen and alternate the comparatively convenient effect of form according to the image of show.

Description

Splicing screen with convertible form

Technical Field

The utility model relates to an exhibition equipment technical field, in particular to concatenation screen of convertible form.

Background

The spliced screen is a complete liquid crystal spliced display unit, can be used as a display independently, and can be spliced into an oversized screen by liquid crystal. According to different use requirements, the changeable large-screen function which can be changed into large and small is realized: the method comprises the following steps of single-screen split display, single-screen independent display, arbitrary combined display, full-screen liquid crystal splicing, vertical screen display and optional compensation or covering of an image frame.

Among the prior art, the concatenation screen is multi-purpose to be used for advertising, image exhibition etc. for example when needing to demonstrate the image of water cube, then can enclose into a cuboid with four concatenation screens, and the image of a certain position of water cube then can be shown to the independent display screen on every concatenation screen to make four concatenation screens can be complete show the figure of whole water cube.

The above prior art solutions have the following drawbacks: when the spliced screen is needed to display the graphs of objects with other shapes (for example, the bird nest is oval), the spliced screen needs to be built again, and the process is time-consuming, labor-consuming and inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concatenation screen of convertible form, it has the concatenation screen and according to the image of show and the comparatively convenient characteristics of transform form.

The above object of the present invention can be achieved by the following technical solutions:

a splicing screen with convertible forms, which comprises a display screen, a stand column, a telescopic structure and an adjusting structure, the upright posts are arranged in a circle at intervals, the telescopic structure comprises fixed rods and telescopic rods, the fixed rods are uniformly distributed on the upright posts in the column direction, the telescopic rod is inserted in the fixed rod, a cylinder is fixedly connected to the position of the upright post departing from the fixed rod, the output end of the air cylinder penetrates through the upright post and is coaxially and fixedly connected with the end part of the telescopic rod; the back of the display screen is provided with a mounting seat, the mounting seat comprises a fixed plate and two mounting plates, the two mounting plates are vertically arranged on the fixed plate at intervals, one end of the telescopic rod, which is far away from the fixed rod, is arranged between the two mounting plates, a hinged shaft is fixedly connected between the two mounting plates, and the hinged shaft vertically penetrates through the telescopic rod and is rotatably connected with the telescopic rod; adjust the structure and include step motor and transmission shaft, the step motor rigid coupling is being located the stand below the telescopic link bottom surface, the coaxial rigid coupling of transmission shaft is in on step motor's the output shaft, the transmission shaft with should be listed up the telescopic link is all rotated and is connected, the transmission shaft is close to the position of articulated shaft all is equipped with a spur gear, also be equipped with a spur gear on the articulated shaft, two the straight-gear meshing is connected.

By adopting the technical scheme, when the form of the spliced screen is required to be changed according to an actual image, the cylinder is driven by driving the stepping motor, and the form of the spliced screen can be changed. Compared with the method of rebuilding a new display screen, the spliced screen can be conveniently changed into the required form according to the image, so that a large amount of time and labor are saved.

The utility model discloses further set up to: be on a parallel with the stand is equipped with a connecting rod, is located with the same row the telescopic link all with the connecting rod rigid coupling, every only leave one on the stand the cylinder.

Through adopting above-mentioned technical scheme, the setting of connecting rod, when driving actuating cylinder, because the setting of connecting rod, be equivalent to all rigid couplings of the telescopic link of this row together, so the cylinder can drive all telescopic links and move together to reach the synchronous motion of display screen, so as not to influence the effect of the image of concatenation screen show.

The utility model discloses further set up to: the fixed rod is detachably connected with the upright post.

Through adopting above-mentioned technical scheme, for dismantling between dead lever and the stand and be connected, can be more convenient increase or reduce extending structure on the stand, increase or reduce the quantity of display screen promptly to the demand of image under the different scenes of adaptation that can be more nimble.

The utility model discloses further set up to: the stand is characterized in that a plurality of insertion tubes are horizontally arranged on the stand at intervals, each insertion tube comprises an inner tube and an outer tube, the outer tubes are coaxially sleeved on the inner tubes, the fixing rods are inserted into gaps between the inner tubes and the outer tubes, a bolt is inserted into the tube wall of each outer tube, and the bolt penetrates through the insertion tubes and the fixing rods simultaneously.

Through adopting above-mentioned technical scheme, the dead lever can directly insert and establish in the space between outer tube and inner tube, and the reuse bolt is fixed it to realized being connected dismantled between dead lever and the stand, utilized this mode of dismantling the connection, only need insert the dead lever or extract the intubate, screw up again or loosen the bolt can, install promptly and demolish all comparatively portably.

The utility model discloses further set up to: and a reinforcing rib is arranged between the outer pipe and the upright post.

Through adopting above-mentioned technical scheme, formed the triangle-shaped structure between strengthening rib and intubate and the stand to can improve the structural strength of intubate when using, make the bearing capacity of intubate bigger.

The utility model discloses further set up to: and a protection structure is arranged between the telescopic rod and the fixed rod.

Through adopting above-mentioned technical scheme, protection architecture's setting can prevent because misoperation, the dead lever is released with the telescopic link to the cylinder.

The utility model discloses further set up to: the protection architecture includes separation blade and card, the card sets up on the telescopic link is close to the terminal surface of dead lever, the separation blade sets up the dead lever is kept away from on the terminal surface of stand, the telescopic link passes the separation blade.

Through adopting above-mentioned technical scheme, when the telescopic link was about to break away from with the dead lever, the card of telescopic link tip then laminated mutually with the separation blade on the dead lever to keep off the telescopic link in the dead lever, in order to prevent that the telescopic link from breaking away from out the dead lever.

The utility model discloses further set up to: the articulated shaft is located the mounting panel with all the cover in the position between the telescopic link is equipped with a gasket.

Through adopting above-mentioned technical scheme, when the mount pad is when rotating, the mounting panel then can contact with the gasket this moment, rather than with telescopic link direct contact to can reduce the wearing and tearing of mounting panel.

To sum up, the utility model discloses following beneficial effect has:

1. through the setting of this concatenation screen, when needs change the concatenation screen form according to the image of reality, only need move step motor before the actuating cylinder again, can accomplish the form transform of concatenation screen. Compared with a new display screen built newly, the spliced screen can be set to conveniently change the required form according to the image, so that a large amount of time and labor can be saved;

2. through the arrangement of the connecting rod, when the cylinder is driven, the cylinder can drive all the telescopic rods to move together due to the arrangement of the connecting rod, which is equivalent to fixedly connecting all the telescopic rods of the row together, so that the synchronous movement of the display screen is achieved;

3. through the detachable connection between the fixed rod and the stand column, the splicing screen can be more convenient to increase or reduce the telescopic structures on the stand column, namely, the number of the display screens is increased or reduced, so that the requirements of images in different scenes can be more flexibly met.

Drawings

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

FIG. 2 is a single-row structure diagram of the present invention;

fig. 3 is a schematic view of the telescopic structure of the present invention;

fig. 4 is a partially enlarged view of a portion a of fig. 3;

fig. 5 is a schematic structural view of the mount.

In the figure, 1, a display screen; 11. a mounting seat; 111. a fixing plate; 112. mounting a plate; 12. hinging a shaft; 2. a column; 3. a telescopic structure; 31. fixing the rod; 311. a baffle plate; 32. a telescopic rod; 321. a card; 4. an adjustment structure; 41. a stepping motor; 42. a drive shaft; 5. a cylinder; 6. a connecting rod; 7. inserting a tube; 71. an outer tube; 72. an inner tube; 8. and (5) reinforcing ribs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

as shown in fig. 1, the splicing screen of the present invention includes a display screen 1, a stand column 2, a telescopic structure 3 and an adjusting structure 4.

The stand 2 is a rectangular cylinder, and its equipartition is in the position department that needs set up the concatenation screen, and a plurality of stands 2 encircle to set up and be the rectangle and distribute. The uprights 2 here act as a support for the spliced screen to support it.

As shown in fig. 2 and 3, the telescopic structure 3 includes a fixing rod 31 and a telescopic rod 32, both the fixing rod 31 and the telescopic rod 32 are hollow rectangular rods, and both ends of the fixing rod 31 are open. The fixed rod 31 is horizontally fixedly connected with a plurality of vertical columns 2 at intervals, a plurality of fixed rods 31 are arranged along the radial direction of the vertical columns 2, and the plurality of fixed rods 31 are parallel to each other. The fixing rod 31 of each upright 2 is arranged towards the display screen 1, and the telescopic rod 32 is inserted into the fixing rod 31. On the stand 2 lateral wall that deviates from with dead lever 31 tip, all rigid coupling a cylinder 5, the output of cylinder 5 radially passes stand 2 and in the inside tip rigid coupling with telescopic link 32 of dead lever 31.

As shown in fig. 2 and fig. 5, a mounting base 11 is disposed at the center of the back of the display screen 1, the mounting base 11 is composed of a fixing plate 111 and two mounting plates 112, the fixing plate 111 and the mounting plates 112 are both rectangular plates, and the two mounting plates 112 are respectively vertically fixed at two ends of the fixing plate 111 and are distributed in a U shape with the fixing plate 111. The fixing plate 111 is fixedly connected to the back of the display screen 1, the axis direction of the mounting seat 11 is horizontal, the two mounting plates 112 are clamped at one end of the telescopic rod 32 far away from the fixing rod 31, a hinge shaft 12 is fixedly connected between the two mounting plates 112, and the vertical radial direction of the hinge shaft passes through the telescopic rod 32 and is rotatably connected with the upper rod wall and the lower rod wall of the telescopic rod 32 through bearings, so that the display screen 1 can rotate on the telescopic rod 32 through the mounting seat 11 along the horizontal direction.

As shown in fig. 2, the adjusting structure 4 comprises a stepping motor 41 and a transmission shaft 42, wherein the stepping motor 41 is vertically arranged at a position of the telescopic rod 32 which is positioned at the lowest part of each upright post 2 and is close to the mounting seat 11. The transmission shaft 42 is a cylindrical shaft, and is coaxially and fixedly connected to the output shaft of the stepping motor 41, and the transmission shaft 42 penetrates through all the telescopic rods 32 in the row vertically and radially at the same time. At this time, the hinge shaft 12 and the transmission shaft 42 are fixedly connected to a spur gear at the position inside the telescopic rod 32, and the two spur gears are engaged with each other.

It should be noted that two rows of telescopic structures 3 are required to be arranged on the upright post 2 at the right angle according to the above positional relationship and connection structure, and the axial directions of the fixing rods 31 in the two rows of telescopic structures 3 are perpendicular to each other. However, due to the connection relationship between the cylinder 5 and the telescopic rod 32, the two telescopic structures 3 located on the right-angle upright post 2 need to be arranged in a staggered manner, and in order to compensate for the staggered display screens 1 caused by the staggered arrangement, the connection position of one display screen 1 and the mounting base 11 can be adjusted.

When images with other shapes need to be displayed, the stepping motor 41 is firstly driven, the stepping motor 41 directly drives the transmission shaft 42 to rotate, and the transmission shaft 42 drives the hinge shaft 12 to rotate through the straight gear, so that the display screen 1 on the telescopic rod 32 is adjusted to a proper position along the rotation in the horizontal direction. At this moment, because single display screen 1 in the spliced screen rotates, so dislocation can take place for adjacent display screen 1 to lead to the incompleteness of image, here then need drive actuating cylinder 5 and make telescopic link 32 work, with the dislocation of eliminating between adjacent display screen 1, guarantee adjacent display screen 1 border and laminate mutually promptly, thereby when reaching the image shape and changing the requirement, also guaranteed the integrality of image. In addition, every stand 2 all can increase the quantity that extending structure 3 and display screen 1 set up according to actual demand.

As shown in fig. 2, since the telescopic rod 32 on each upright 2 is driven by different cylinders 5, sometimes the display screens 1 in the column may not be synchronized, so as to affect the integrity of the image in the column, in order to ensure that the display screens 1 in each column can move synchronously, it may further be configured as follows: only one cylinder 5 close to the center of the upright column 2 is left, a connecting rod 6 is fixedly connected to the telescopic rods 32 in the row, the connecting rod 6 is a hollow rectangular rod and vertically and radially penetrates through all the telescopic rods 32 in the row, and the connecting rod 6 is fixedly connected with each telescopic rod 32. When the cylinder 5 is driven, the connecting rod 6 is arranged to connect all the telescopic rods 32 of the row together, so that the cylinder 5 can drive all the telescopic rods 32 to move together, thereby achieving the synchronous movement of the display screen 1.

As shown in fig. 2, fig. 3 and fig. 4, in order to increase or decrease the number of the display screens 1 on the column 2, here, the fixing rod 31 can be further arranged on the column 2 as a detachable structure, specifically: the position of the upright post 2 where the fixing rod 31 is originally arranged is horizontally provided with an insertion tube 7 respectively, the insertion tube 7 is composed of an outer tube 71 and an inner tube 72, the outer tube 71 and the inner tube 72 are both sections of hollow and through rectangular tubes, the diameter of the inner tube 72 is smaller than that of the outer tube 71, the inner tube 72 and the outer tube 71 are coaxially and fixedly connected to the upright post 2, the fixing rod 31 can be just inserted into a gap between the inner tube 72 and the outer tube 71, a threaded hole is vertically formed in the upper surface of the outer tube 71 downwards at the moment, the bolt hole just penetrates through the outer tube 71, the upper wall of the fixing rod 31 and the upper wall of the inner tube 72, and the fixing rod 31 can be fixed in the insertion.

As shown in fig. 2, in order to enhance the structural strength of the insertion tube 7, there may be further provided: a reinforcing rib 8 is respectively arranged on the upright post 2 at a position close to the lower part of the insertion tube 7, the reinforcing rib 8 is a cylindrical rod, one end of the reinforcing rib is fixedly connected with the upright post 2, and the other end of the reinforcing rib is fixedly connected with the bottom surface in the outer tube 71 of the insertion tube 7. Through the setting of strengthening rib 8, formed the triangle-shaped structure between strengthening rib 8 and intubate 7 and the stand 2 to can improve the structural strength of intubate 7 when using.

As shown in fig. 4, in order to prevent the manual operation from being mistaken, the control cylinder 5 pushes the telescopic rod 32 out of the fixing rod 31, and here, a protection structure can be further provided, specifically: a circle of flanges are arranged inwards along the edge of the end face of the fixing rod 31 far away from one end of the upright post 2, and the flanges are distributed in a shape like a Chinese character 'hui'. The diameter of the telescopic rod 32 is reduced, and a clamping piece 321 is coaxially and fixedly connected to one end of the telescopic rod 32 inserted into the fixing rod 31, wherein the clamping piece 321 is a rectangular piece, and the area of the rectangular piece is equal to the cross-sectional area of the fixing rod 31. Through the arrangement of the protection structure, when the cylinder 5 is about to push the telescopic rod 32 out of the fixed rod 31, the clamping piece 321 can contact with the blocking piece 311, that is, the blocking piece 311 can block the telescopic rod 32 by the clamping piece 321, so that the telescopic rod 32 cannot be separated from the fixed rod 31.

In order to reduce the wear of the mounting plate 112 on the mounting seat 11, there may be further provided: a gasket is disposed at the position where the mounting plate 112 is attached to the telescopic rod 32, and the gasket is an annular metal sheet which can be just sleeved on the hinge shaft 12. Through the arrangement of the gasket, when the mounting seat 11 rotates, the mounting plate 112 is in contact with the gasket at the moment, not in direct contact with the telescopic rod 32, so that the abrasion of the mounting plate 112 can be reduced.

The implementation principle of the embodiment is as follows: during the use, according to the image shape of actual demand, at first drive step motor 41 in order to carry out angle modulation to every display screen 1 of arranging, then drive cylinder 5 so that the display screen 1 border of adjacent two is laminated, when needs increase or reduce the quantity of display screen 1, only need insert the intubate 7 with telescopic link 32 dead lever 31 or extract.

By adopting the embodiment, when the form of the spliced screen is required to be changed according to the image of the actual requirement, the cylinder 5 is driven by driving the stepping motor 41, and the form change of the spliced screen can be completed. Compared with the new display screen 1, the spliced screen can be conveniently set in a required form according to the image.

The embodiment of this embodiment is the utility model discloses preferred embodiment is not according to this restriction the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a concatenation screen of convertible form, includes display screen (1), its characterized in that: the display screen is characterized by further comprising upright columns (2), telescopic structures (3) and adjusting structures (4), wherein the upright columns (2) are uniformly distributed in a rectangular shape, each telescopic structure (3) comprises a fixing rod (31) and a telescopic rod (32), the fixing rods (31) are vertically and uniformly distributed on the upright columns (2), the telescopic rods (32) slide in the fixing rods (31), the positions of the upright columns (2) departing from the fixing rods (31) are fixedly connected with air cylinders (5), the output ends of the air cylinders (5) penetrate through the upright columns (2) and are fixedly connected with the end portions of the telescopic rods (32), mounting seats (11) are arranged on the back surfaces of the display screens (1), each mounting seat (11) comprises a fixing plate (111) and two mounting plates (112), the two mounting plates (112) are vertically arranged on the fixing plates (111) at intervals, one ends, far away from the fixing rods (31), of the telescopic rods (32) are arranged between the two mounting plates (, a hinged shaft (12) is fixedly connected between the two mounting plates (112), and the hinged shaft (12) vertically penetrates through the telescopic rod (32) and is rotatably connected with the telescopic rod (32); adjust structure (4) and include step motor (41) and transmission shaft (42), step motor (41) rigid coupling is being located stand (2) below telescopic link (32) bottom surface, transmission shaft (42) rigid coupling is in on step motor's (41) output shaft, transmission shaft (42) and this are listed as telescopic link (32) are all rotated and are connected, transmission shaft (42) are close to the position of articulated shaft (12) all is equipped with a gear, also be equipped with a gear, two on articulated shaft (12) gear intermeshing.

2. A convertible configuration of a tiled display according to claim 1, wherein: a connecting rod (6) is arranged parallel to the upright columns (2), the telescopic rods (32) which are positioned in the same row are fixedly connected with the connecting rod (6), and only one cylinder (5) is reserved on each upright column (2).

3. A convertible configuration of a tiled display according to claim 1, wherein: the fixing rod (31) is detachably connected with the upright post (2).

4. A convertible configuration of a tiled display according to claim 3, wherein: equipartition level is equipped with a plurality of rectangle intubate (7) on stand (2), intubate (7) include inner tube (72) and outer tube (71), outer tube (71) coaxial cover is established on inner tube (72), dead lever (31) are inserted and are located inner tube (72) with in the space between outer tube (71), in insert on the pipe wall of outer tube (71) and be equipped with a bolt, the bolt passes simultaneously intubate (7) with dead lever (31).

5. A convertible configuration of a tiled display according to claim 4, wherein: and a reinforcing rib (8) is arranged between the outer pipe (71) and the upright post (2).

6. A convertible configuration of a tiled display according to claim 1, wherein: a protection structure is arranged between the telescopic rod (32) and the fixed rod (31).

7. A convertible configuration of a tiled display according to claim 6, wherein: the protection architecture includes separation blade (311) and card (321), card (321) set up on telescopic link (32) are close to the terminal surface of dead lever (31), separation blade (311) set up dead lever (31) are kept away from on the terminal surface of stand (2), telescopic link (32) pass separation blade (311).

8. A convertible configuration of a tiled display according to claim 1, wherein: the articulated shaft (12) is located mounting panel (112) with the position between telescopic link (32) all is equipped with a gasket.