CN210535238U

CN210535238U - Flatness adjusting device and display screen

Info

Publication number: CN210535238U
Application number: CN201922004886.8U
Authority: CN
Inventors: 袁贤阳; 赵平林
Original assignee: Unilumin Group Co Ltd
Current assignee: Unilumin Group Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-05-15
Anticipated expiration: 2029-11-18

Abstract

The application relates to a roughness adjusting device and display screen. The flatness adjusting device comprises an installation seat, a connecting piece, an installation support plate and a push-pull plate, wherein the installation seat is provided with an installation hole, one end of the connecting piece is connected with the installation support plate, the other end of the connecting piece is positioned in the installation hole and is detachably connected with the installation seat, and the connecting piece is in interference fit with the installation seat; the push-pull plate is arranged on the mounting support plate. The mounting seat and the mounting support plates are tightly matched through the connecting pieces in an interference manner, so that the connection stability is ensured, and meanwhile, the depth of the connecting pieces entering the mounting holes is conveniently adjusted, and the flatness among the mounting support plates is adjusted; the supporting plate is installed in a pushing and pulling mode through the push-pull plate, and the supporting plate is installed in a pushing and pulling mode conveniently.

Description

Flatness adjusting device and display screen

Technical Field

The utility model relates to a display screen technical field especially relates to a roughness adjusting device and display screen.

Background

At present, a large-scale LED display screen is generally a spliced screen, and when the LED display screen is assembled, a plurality of display modules are respectively fixed on a box body, so that the spliced display screen is formed. As a spliced screen, the flatness of the display screen directly influences the display effect. Therefore, the flatness of the display screen is improved by improving the machining precision of the box body, and the method has high requirements on the production process and limits popularization and use. Simultaneously, because the components and parts of every display module assembly's PCB board are different, make every display module assembly's thickness different, the problem that screen surface unevenness still can exist to the display screen after leading to the concatenation.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a flatness adjusting device and a display screen for solving the problem of uneven screen of a tiled display screen.

A flatness adjusting device comprises an installation seat, a connecting piece, an installation support plate and a push-pull plate, wherein the installation seat is provided with an installation hole, one end of the connecting piece is connected with the installation support plate, the other end of the connecting piece is positioned in the installation hole and is detachably connected with the installation seat, and the connecting piece is in interference fit with the installation seat; the push-pull plate is arranged on the mounting support plate.

In one embodiment, the flatness adjusting device further comprises an elastic member, the elastic member is sleeved on the connecting member, and the elastic member is at least partially located in the installation hole and connected with the installation seat. The connecting piece is sleeved with the elastic piece, so that the connecting piece is convenient to disassemble and assemble when being in interference fit with the mounting hole.

In one embodiment, the connecting piece is of a cylindrical structure, the cross section of the mounting hole is circular, and the sum of the diameter of the connecting piece and the wall thickness of the elastic piece is larger than the diameter of the mounting hole. The connecting piece is set to be a cylinder as a result, so that the butt joint of the connecting piece and the mounting hole is more flexible. The sum of the diameter of the connecting piece and the wall thickness of the elastic piece is larger than the diameter of the mounting hole, so that the interference fit between the connecting piece and the mounting hole is ensured.

In one embodiment, the elastic member comprises at least one of silicone, rubber, or polyurethane. The elastic piece is integrally formed by silica gel, rubber or polyurethane, so that the processing is convenient, and the cost is saved.

In one embodiment, the mounting seat is provided with a mounting column, and the mounting hole is opened in the mounting column. Through setting up the erection column, be convenient for correspond the position of arranging the mounting hole according to the position of connecting piece.

In one embodiment, the number of the connecting pieces is more than two, the number of the mounting holes is the same as that of the connecting pieces, and each connecting piece is positioned in the corresponding mounting hole. Through setting up connecting piece and mounting hole more than two to the roughness of diversified adjustment installation extension board.

In one embodiment, the push-pull plate is provided with an avoiding hole, and at least one of the connecting pieces penetrates through the avoiding hole and is connected with the mounting support plate. Through setting up and dodging the hole, also can set up the connecting piece in the position that the push-and-pull plate corresponds to the installation extension board like this, make the installation extension board be connected with the mount pad through the connecting piece better.

In one embodiment, the push-pull plate is ferromagnetic, which makes the push-pull plate ferromagnetic. The push-pull plate with ferromagnetism is used, and the push-pull plate can be pushed and pulled by using the magnet, so that the operation is convenient.

In one embodiment, the mounting support plate is a printed circuit board, that is, the printed circuit board is directly arranged as the mounting support plate, so that the assembly cost of the display screen is saved, and meanwhile, the thickness of the display screen is reduced.

A display screen comprising a flatness adjustment apparatus as described in any of the above embodiments.

According to the flatness adjusting device and the display screen, one side of the installation support plate, which is far away from the installation base, can be connected with components of a PCB of the display module, the installation base can be connected with the box body, and the installation base and the installation support plate are in interference tight fit through the connecting piece, so that the connection stability is ensured, meanwhile, the depth of the connecting piece entering the installation hole is conveniently adjusted, and the flatness among the installation support plates is adjusted; through setting up the push-and-pull board, simple structure makes things convenient for push-and-pull installation extension board.

Drawings

FIG. 1 is a schematic structural diagram of a flatness adjusting apparatus according to an embodiment;

FIG. 2 is a partial schematic structural view of the flatness adjusting apparatus shown in FIG. 1;

FIG. 3 is a partially exploded schematic view of the flatness adjustment apparatus shown in FIG. 2;

fig. 4 is a schematic view of a mounting seat structure of the flatness adjusting apparatus shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present application, the flatness adjustment apparatus and the display screen will be more fully described below with reference to the related drawings. Preferred embodiments of the flatness adjusting apparatus and the display screen are shown in the drawings. However, the flatness adjustment apparatus and the display screen may be implemented in many different forms and are not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the flatness adjustment apparatus and the display screen is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, the flatness adjusting apparatus according to an embodiment includes an installation base 10, a connecting member 20, an installation support plate 30, and a push-pull plate 40, where the installation base 10 is provided with an installation hole 110, one end of the connecting member 20 is connected to the installation support plate 30, the other end of the connecting member 20 is located in the installation hole 110 and detachably connected to the installation base 10, and the connecting member 20 is in interference fit with the installation base 10. The push-pull plate 40 is disposed on the mounting plate 30.

In one embodiment, as shown in fig. 1 to 3, the number of the mounting plate 30 is two or more, and correspondingly, the number of the connecting members 20 is also two or more, that is, each mounting plate 30 corresponds to at least one connecting member 20. More than two installation support plates 30 are respectively connected to the installation base 10 through the connecting pieces 20, each connecting piece 20 is correspondingly connected with the installation hole 110 of the installation base 10 one by one, the connecting pieces 20 penetrate through the installation holes 110, and the connecting pieces 20 and the installation holes 110 are in interference fit, so that each installation support plate 30 is stably connected with the installation base 10. When more than two installation support plates 30 are not positioned on the same plane, that is, more than two installation support plates 30 are not flat, and more than two installation support plates 30 have a height difference, the installation support plates 30 are pulled to a certain position through the push-pull plate 40, and then the depth of each connecting piece 20 to the installation hole 110 is adjusted one by one, so that the height of the installation support plates 30 relative to the installation seat 10 is adjusted, more than two installation support plates 30 are positioned on the same plane, and the adjustment of the flatness of the installation support plates 30 is realized.

The mounting seat 10 of the flatness adjusting device is tightly fitted with the mounting support plates 30 through the connecting piece 20 in an interference fit manner, so that the connecting stability is ensured, meanwhile, the depth of the connecting piece 20 entering the mounting hole 110 is conveniently adjusted, and the flatness among the mounting support plates 30 is adjusted. By arranging the push-pull plate 40, the structure is simple, and the installation support plate 30 is convenient to push and pull.

In one embodiment, as shown in fig. 1-3, one end of the connector 20 is attached to a mounting plate 30. In the present embodiment, one end of the connecting member 20 is fixedly connected to the mounting plate 30. For example, one end of the connecting member 20 is connected to the mounting plate 30 by bonding, screwing, or clipping, so as to avoid the adjustment accuracy of the mounting plate 30 being affected by the looseness of the one end of the connecting member 20.

In one embodiment, as shown in fig. 1 to 3, the number of the connecting members 20 corresponding to each mounting plate 30 is two or more, the number of the mounting holes 110 is the same as the number of the connecting members 20, the mounting holes 110 are opposite to the connecting members 20, and each connecting member 20 is located in the corresponding mounting hole 110. More than two connecting pieces 20 and mounting holes 110 are arranged corresponding to each mounting plate 30, so that the flatness of the mounting plate 30 can be adjusted in multiple directions. In the present embodiment, when the number of the mounting brackets 30 is one, the number of the connectors 20 is two or more. In one embodiment, the number of the connecting members 20 is four, the mounting plate 30 is a quadrilateral, and one connecting member 20 is disposed at each corner of the mounting plate 30, so as to facilitate multi-directional adjustment of the height of the mounting plate 30. In one embodiment, the number of connectors 20 is eight or nine. In one embodiment, the connecting member 20 is not limited to be disposed at the corner of the mounting plate 30, but is further disposed at the periphery or the middle of the mounting plate 30, so as to adjust the height of the mounting plate 30 in all directions. In one embodiment, when the number of the mounting plates 30 is more than two, the number of the connecting members 20 of each mounting plate 30 is the same as the above.

In one embodiment, as shown in fig. 1 to 3, the flatness adjusting apparatus further includes an elastic member 210, and the elastic member 210 is sleeved on the connecting member 20. The elastic member 210 is at least partially located in the mounting hole 110 and connected to the mounting seat 10. The elastic member 210 is sleeved on the connecting member 20, so that the connecting member 20 is in interference fit with the mounting hole 110, and the connecting member 20 is convenient to disassemble and assemble. In the present embodiment, the elastic member 210 is an elastic sleeve structure. In one embodiment, the elastic member 210 is disposed around the connecting member 20. In other embodiments, the elastic element 210 may be disposed around only a portion of the periphery of the connecting element 20. Through locating the periphery of connecting piece 20 with elastic component 210 cover, make elastic component 210 parcel connecting piece 20, avoid connecting piece 20 wearing and tearing that the direct interference fit of connecting piece 20 and mounting hole 110 leads to, be convenient for change the elastic component 210 of ageing or loss simultaneously. Through elastic component 210 and mounting hole 110 direct contact, make things convenient for the dismouting.

In one embodiment, the elastic member 210 comprises at least one of silicone, rubber, or polyurethane. The elastic member 210 is integrally formed by using silica gel, rubber or polyurethane, so that the elasticity is ensured, and the elastic member is convenient to process and low in cost. In the present embodiment, the elastic member 210 is silicon rubber.

In one embodiment, as shown in fig. 1-3, the connector 20 is a cylindrical structure and the mounting hole 110 is circular in cross-section. The diameter of the connecting member 20 plus the wall thickness of the elastic member 210 is greater than the diameter of the mounting hole 110. The connecting member 20 has a cylindrical structure, so that the depth of the connecting member 20 in the mounting hole 110 can be adjusted more flexibly and conveniently. The sum of the diameter of the connecting element 20 and the wall thickness of the elastic element 210 is greater than the diameter of the mounting hole 110, so that the connecting element 20 and the mounting hole 110 are in interference fit, and the positioning of the connecting element 20 in the mounting hole 110 is more stable and accurate.

In one embodiment, the sum of the diameter of the connecting member 20 and the wall thickness of the elastic member 210 is slightly larger than the diameter of the mounting hole 110, so as to avoid the problem that the assembling of the connecting member 20 and the mounting hole 110 is affected due to the oversize of the diameter of the connecting member 20 and the wall thickness of the elastic member 210. It is understood that in other embodiments, the connecting member 20 is not limited to a cylindrical structure, and the cross section of the connecting member 20 may also be a triangular, quadrangular or polygonal structure. Accordingly, the cross-section of the mounting hole 110 is adapted to the structure of the cross-section of the connection member 20.

In one embodiment, as shown in FIG. 4, the mounting base 10 is provided with a mounting post 120, and the mounting hole 110 opens at the mounting post 120. By providing the mounting posts 120, it is convenient to arrange the positions of the mounting holes 110 correspondingly according to the positions of the connectors 20. In the present embodiment, the mounting hole 110 is opened in the axial direction of the mounting post 120. In one embodiment, the mounting post 120 can be integrally formed with the mounting base 10, saving manufacturing steps. In one embodiment, the mounting post 120 can be detachably connected to the mounting base 10, and the position of the mounting post 120 can be flexibly adjusted by screwing, clamping or bonding.

In one embodiment, as shown in fig. 3, the push-pull plate 40 is disposed on the mounting plate 30, and the push-pull plate 40 can be attached to the side of the mounting plate 30 opposite the mounting base 10 by bonding. In one embodiment, the number of push-pull plates 40 is adapted to the number of mounting plates 30, and one push-pull plate 40 is provided for each mounting plate 30, thereby facilitating adjustment of each mounting plate 30. In one embodiment, the push-pull plate 40 is disposed at any position of the mounting plate 30, depending on the installation space of the mounting plate 30. In other embodiments, the push-pull plate 40 is disposed in the middle of the mounting plate 30 such that the mounting plate 30 remains balanced when the push-pull plate 40 is manipulated.

In one embodiment, the push-pull plate 40 is provided with an avoiding hole 410, and the connecting member 20 is inserted through the avoiding hole 410, so that the connecting member can be disposed at a position of the push-pull plate corresponding to the mounting plate, so that the mounting plate is better connected with the mounting seat through the connecting member. The number of the avoiding holes 410 is not limited to one, and the number and the positions of the avoiding holes 410 are opened according to the positions of the connecting members 20.

In one embodiment, as shown in fig. 1 and 3, the push-pull plate 40 is ferromagnetic, making the push-pull plate ferromagnetic. By using the ferromagnetic push-pull plate 40, the push-pull plate 40 can be pushed and pulled by using a magnet from any side of the mounting support plate 30, and the operation is simple and convenient. When the mounting plate 30 is uneven, the mounting plate 30 is displaced by attracting the magnet to the push-pull plate 40 and pushing the push-pull plate 40 with the magnet. Meanwhile, the connecting members 20 are removed from the mounting holes 110, and the depth of each connecting member 20 penetrating the mounting hole 110 is adjusted one by one, so that the mounting plate 30 is adjusted to a designated plane. By using the push-pull plate 40 with ferromagnetism, the push-pull plate 40 is directly pushed and pulled by a magnet, operations such as punching on the installation support plate 30 are avoided, the integrity of the installation support plate 30 is kept, and meanwhile, the installation position of the installation support plate 30 is avoided being occupied by punching. In one embodiment, the push-pull plate 40 is made of iron, so that the push-pull plate has ferromagnetism and can be attracted by a magnet. By using an iron piece as the push-pull plate 40, there is universality.

In one embodiment, the mounting support plate is a printed circuit board, that is, the printed circuit board is directly arranged as the mounting support plate, so that the assembly cost of the display screen is saved, and meanwhile, the thickness of the display screen is reduced. It is understood that in other embodiments, the mounting plate can be other plate bodies. The application also provides a display screen on the installation extension board is located to display module's printed circuit board, including as above the roughness adjusting device of any embodiment.

In one embodiment, the mounting base may be a box of the display screen, i.e. the mounting base and the box are the same member.

It will be appreciated that in other embodiments, the mounting base may be different from the housing, i.e. the mounting base of the flatness adjusting apparatus and the housing of the display screen are separate components. In this embodiment, the display screen further includes the box, and the box is connected in the one side that the mount pad deviates from the installation extension board. In this embodiment, each mount pad corresponds and connects in the box of display screen, and the mount pad can be dismantled with the box and be connected to make things convenient for dismouting roughness adjusting device.

In one embodiment, the mounting support plate is a printed circuit board of the display module, that is, the mounting support plate and the printed circuit board are the same plate body, so that the assembly process and the production cost of the display screen are saved, and the thickness of the display screen is reduced. The display unit of each display module is arranged on the installation support plate. In other embodiments, the mounting plate and the printed circuit board of the display module are respectively independent plates. In one embodiment, the display screen further comprises a display module, the display module comprises a printed circuit board, the printed circuit board of the display module is arranged on the mounting support plate, and the printed circuit board is detachably connected with the mounting support plate, so that the position of the display module is conveniently adjusted.

In this embodiment, the number of the display modules is a plurality of, and correspondingly, the number of the flatness adjusting devices is a plurality of, and each display module is connected with the corresponding flatness adjusting device. When a plurality of display module assembly concatenation formed a complete display screen, a plurality of display module assembly respectively through corresponding roughness adjusting device adjustment corresponding height, make each display module assembly adjust to the coplanar. When a plurality of display module assembly when the concatenation, each display module assembly passes through the connecting piece respectively and connects in the mount pad. According to the height of each display module, the depth of the mounting hole, into which the connecting piece connected with the connecting piece enters, is adjusted by pressing the connecting piece, so that the flatness of the display modules can be adjusted on the same plane.

For the display module positioned in the middle of the display screen, the force application point is lacked, the display module in the middle cannot be moved and adjusted, the magnet adsorbs the push-pull plate of the display module, the magnet is pulled to drive the display module to move, and then the connecting piece corresponding to the display module is adjusted, so that the operation is simple and easy.

In one embodiment, when the number of the display modules is one, the number of the flatness adjusting devices is also one. In one embodiment, when the number of the display modules is multiple, the number of the flatness adjusting devices is also multiple, and the plurality of mounting seats are connected with each other to form a box body of the display screen.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A flatness adjusting device is characterized by comprising an installation seat, a connecting piece, an installation support plate and a push-pull plate, wherein the installation seat is provided with an installation hole, one end of the connecting piece is connected with the installation support plate, the other end of the connecting piece is positioned in the installation hole and is detachably connected with the installation seat, and the connecting piece is in interference fit with the installation seat; the push-pull plate is arranged on the mounting support plate.

2. The flatness adjustment device of claim 1, further comprising an elastic member, wherein the elastic member is sleeved on the connecting member, and the elastic member is at least partially located in the mounting hole and connected with the mounting seat.

3. The flatness adjustment device according to claim 2, wherein the connection member is a cylindrical structure, the cross section of the mounting hole is circular, and the sum of the diameter of the connection member and the wall thickness of the elastic member is larger than the diameter of the mounting hole.

4. The flatness adjustment device according to claim 2, wherein the elastic member includes at least one of silicone, rubber, or urethane.

5. The flatness adjustment device according to claim 1, wherein the mounting base is provided with a mounting post, and the mounting hole is opened in the mounting post.

6. The flatness adjustment device according to any one of claims 1 to 5, wherein the number of the connection members is two or more, the number of the mounting holes is the same as the number of the connection members, and each of the connection members is located in the corresponding mounting hole.

7. The flatness adjusting apparatus according to claim 6, wherein the push-pull plate is provided with an avoiding hole, and at least one of the connecting members is inserted into the avoiding hole and connected to the mounting support plate.

8. A flatness adjustment device according to claim 1, wherein the push-pull plate is a ferromagnetic member.

9. The flatness adjustment device according to any one of claims 1 to 5, wherein the mounting plate is a printed circuit board.

10. A display screen characterized by comprising the flatness adjustment apparatus of any one of claims 1 to 9.