CN216590758U

CN216590758U - LED display screen and floating connecting piece thereof

Info

Publication number: CN216590758U
Application number: CN202123385935.0U
Authority: CN
Inventors: 唐朝剑; 解培亮; 肖道粲; 欧阳炯菊
Original assignee: Shenzhen Absen Optoelectronic Co Ltd
Current assignee: Shenzhen Absen Optoelectronic Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-24
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a LED display screen and connecting piece floats thereof. The LED display screen comprises a box body and an LED display module, the floating connecting piece is used for realizing mechanical connection and electric connection of the box body and the LED display module, and the floating connecting piece comprises at least one bolt, at least one fixing column, a transfer plate and a connector. The bolt comprises a nut and a stud; the fixed column is fixed on the box body; the fixing column is provided with a screw hole matched with the stud; the adapter plate is arranged at one end of the fixing column, which is far away from the box body, and at least one through hole is arranged on the adapter plate and corresponds to the screw hole; the connector is arranged on the adapter plate and is respectively and electrically connected with the box body and the LED display module; the bolt penetrates through the through hole and is in threaded connection with the screw hole, the caliber of the through hole is larger than the diameter of the stud or the caliber of the through hole is larger than the outer diameter of the top of the fixing column, and therefore the adapter plate can float.

Description

LED display screen and floating connecting piece thereof

Technical Field

The utility model relates to a display screen technical field, in particular to LED display screen and connecting piece floats thereof.

Background

An LED display (LED display) is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, image, video, and video signals. The LED display screen comprises a module and a box body. The module includes lamp plate and drain pan, and the box includes die-casting case, power, keysets and receiving card. At present, the connection of the module and the box body comprises the following modes: 1. connecting the DC line from the power supply and the flat cable from the book receiving card to the module; 2. the large adapter plate is connected by arranging pin row nuts.

Along with LED display screen point interval is littleer and more, not only to the required precision between module and box higher and higher, all need adjust in addition just can satisfy best display effect. The DC line and bus line approach is not suitable for small pitches because of the difficulty of installation. The row needle row bus is large in self binding force, and the adapter plate is mechanically fixed, so that the module cannot be adjusted, the precision cannot meet the requirement, and the display effect is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a make unsteady connecting piece that the LED module can be adjusted to and adopt the LED display screen of this unsteady connecting piece, with the problem of solving among the prior art.

In order to solve the technical problem, the utility model provides a be applied to unsteady connecting piece of LED display screen, the LED display screen includes box and LED display module assembly, unsteady connecting piece is used for realizing the box with the mechanical connection and the electricity of LED display module assembly are connected, unsteady connecting piece includes:

at least one bolt comprising a nut and a stud;

the at least one fixing column is fixed on the box body; the fixing column is provided with a screw hole matched with the stud;

the adapter plate is arranged at one end, far away from the box body, of the fixing column, and at least one through hole is formed in the adapter plate and corresponds to the screw hole;

the connector is arranged on the adapter plate and is respectively and electrically connected with the box body and the LED display module;

the bolt passes the via hole, with the screw spiro union, the keysets cover is located the periphery of double-screw bolt or the periphery at fixed capital portion, the bore of via hole is less than the external diameter of nut, just the bore of via hole is greater than the diameter of double-screw bolt or the bore of via hole is greater than the external diameter at fixed capital portion, and makes the keysets can float.

In one embodiment, when the adapter plate abuts against the fixing column, a gap is formed between the nut and the adapter plate.

In one embodiment, the stud comprises a stud body and a limiting column arranged between the stud body and the nut, the stud body is matched with the screw hole, the diameter of the limiting column is larger than the caliber of the screw hole, and the adapter plate is sleeved on the periphery of the limiting column.

In one embodiment, the height of the axis of the limiting column is greater than the thickness of the adapter plate.

In one embodiment, the fixing column includes a column body connected to the box body and a protruding portion disposed at the other end of the column body, an outer diameter of the protruding portion is smaller than an outer diameter of the column body, the adapter plate is sleeved on an outer periphery of the protruding portion, a diameter of the via hole is larger than the outer diameter of the protruding portion, and the diameter of the via hole is smaller than the outer diameter of the column body.

In one embodiment, the axial height of the protrusion is greater than the thickness of the adapter plate.

In one embodiment, the floating connector further comprises a stop collar;

the limiting ring is sleeved on the periphery of the stud, the outer diameter of the limiting ring is smaller than the caliber of the via hole, the outer diameter of the limiting ring is larger than the caliber of the screw hole, and the adapter plate is sleeved on the periphery of the limiting ring.

In one embodiment, the axial height of the stop collar is greater than the thickness of the adapter plate.

In one embodiment, the via hole is a circular hole.

In one embodiment, the adapter plate has a first end and a second end, the first end and the second end have different structures, and the width of the first end gradually increases in a direction approaching the second end;

the floating connecting piece comprises two fixing columns which are arranged at intervals, namely a first fixing column and a second fixing column, the first fixing column corresponds to the first end, the second fixing column corresponds to the second end, two positioning blocks are arranged on the periphery of the first fixing column at intervals, the two positioning blocks are provided with parts exceeding the fixing columns along the direction far away from the box body, the interval between the two positioning blocks can contain the first end of the adapter plate, and the interval between the two positioning blocks limits the second end to enter.

In one embodiment, the connectors include a first connector and a second connector respectively arranged on two sides of the interposer, the first connector and the second connector are electrically connected and detachably connected, the first connector is electrically connected with the LED display module, and the second connector is electrically connected with the box body.

The utility model also provides a LED display screen, including box, a plurality of LED display module assembly and a plurality of as above the connecting piece that floats, the connecting piece that floats with LED display module assembly one-to-one, and the connection corresponds LED display module assembly with the box.

According to the above technical scheme, the utility model discloses an advantage lies in with positive effect:

the utility model provides a floating connection spare includes bolt, fixed column, keysets and connector. The through holes are formed in the adapter plate, the caliber of each through hole is larger than the outer diameter of each stud or the caliber of each through hole is larger than the outer diameter of the top of the fixed column, the adapter plate can float when being sleeved on the outer periphery of each stud of the bolt, or float when being sleeved on the outer periphery of the top of the fixed column, the LED display module can be adjusted, the precision of the LED display screen is improved, and the display effect is improved.

Further, when the keysets and the fixed column butt, there is the interval between keysets and the nut in addition, makes the keysets can also float in the direction of perpendicular to display module assembly, better improvement the precision, and then improved display effect.

Drawings

Fig. 1 is a schematic structural view of a floating connector and a box according to a first embodiment of the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic structural diagram of the bolts, the fixing posts and the adapter plate in fig. 2 when they are not connected.

Fig. 4 is a cross-sectional view of the connection of the bolt, the fixing post and the adapter plate in fig. 2.

FIG. 5 is a cross-sectional view of the connection of the bolt, the fixing post and the adapter plate in a second embodiment of the floating connector.

FIG. 6 is a cross-sectional view of the connection of the bolt, the fixing post and the adapter plate in the third embodiment of the floating connector.

The reference numerals are explained below: 1. a floating connection member; 11. fixing a column; 12. a bolt; 121. a nut; 122. a stud body; 123. a limiting column; 13. an adapter plate; 131. a first end; 132. a second end; 133. a via hole; 141. a first connector; 142. a second connector; 15. positioning a block; 16. reinforcing ribs;

21. fixing a column; 211. a main body; 212. a protruding portion; 22. a bolt; 221. a nut; 222. a stud; 23. an adapter plate;

31. fixing a column; 32. a bolt; 321. a nut; 322. a stud; 33. an adapter plate; 38. a limiting ring;

8. and (4) a box body.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.

The utility model provides a LED display screen, including box, a plurality of LED display module assembly and a plurality of unsteady connecting piece. This LED display screen is owing to adopted the connecting piece that floats, makes a plurality of LED display module assembly can adjust when being connected with the box, has improved the precision, has promoted the display effect of LED display screen.

In this embodiment, four LED display modules are taken as an example for explanation. Correspondingly, the number of floating connectors is four. The four LED display modules are respectively connected with the four floating connecting pieces, so that the mechanical connection and the electric connection between the LED display modules and the box body are realized, and an LED display screen is formed.

For convenience of description and understanding, the side of the display screen for displaying image information is directed upward, and the other side is downward, with reference to the state of the LED display screen when the LED display screen is horizontally placed.

The floating connection is described in detail below by way of example.

Example one

Referring to fig. 1, 2, 3 and 4, the floating connector 1 includes at least one fixing post 11, at least one bolt 12, an adapter plate 13 and a connector.

Each fixing column 11 is fixed on the box body 8, and the fixing column 11 is perpendicular to the box body 8. The fixing column 11 is provided with a screw hole, and the axis of the screw hole is parallel to the axis of the fixing column 11.

In this embodiment, the number of the fixing posts 11 is two, and the two fixing posts 11 are disposed at intervals.

Wherein, two positioning blocks 15 are arranged at the periphery of one fixing column 11 at intervals. The fixed column 11 is defined as a first fixed column 11, and the other fixed column 11 is defined as a second fixed column 11. The two positioning blocks 15 exceed the fixing posts 11 in the direction away from the box body 8, that is, the tops of the two positioning blocks 15 exceed the fixing posts 11. In this embodiment, the bottom of locating piece 15 and box 8 fixed connection, the top has the part that surpasss fixed column 11, follows the axis direction of fixed column 11 promptly, and the height of locating piece 15 is greater than the height of fixed column 11.

The distance between the two positioning blocks 15 gradually decreases along the direction close to the first fixing column 11, and the two positioning blocks 15 and the first fixing column 11 jointly enclose to form an accommodating space.

The periphery of the second fixing column 11 is provided with a reinforcing rib 16, and the reinforcing rib 16 is arranged at any position of the periphery of the second fixing column 11. The height of the reinforcing ribs 16 is smaller than that of the fixing posts 11.

The bolt 12 includes a nut 121 and a stud.

Specifically, the stud includes a stud body 122 and a position-limiting post 123 connecting the stud body 122 and the nut 121. The outer diameter of the limiting column 123 is smaller than that of the nut 121, and the outer diameter of the limiting column 123 is larger than that of the stud body 122.

The outer circumference of the stud body 122 is annularly provided with external threads, and the stud body 122 is matched with a screw hole of the fixing column 11, so that the bolt 12 is screwed with the fixing column 11.

The adapter plate 13 is arranged at the end part of the fixed column 11 far away from the box body 8, namely the adapter plate 13 is arranged at the top part of the fixed column 11. The interposer 13 has a first end 131 and a second end 132, and the first end 131 and the second end 132 have different structures.

Two through holes 133 are spaced apart from each other on the interposer 13 and are respectively disposed at the first end 131 and the second end 132. The aperture of the via hole 133 is larger than the outer diameter of the limiting column 123, the aperture of the via hole 133 is smaller than the outer diameter of the nut 121, and the aperture of the via hole 133 is larger than the aperture of the screw hole. Specifically, the via holes are circular holes.

Specifically, the width of the first end 131 gradually increases in a direction from the first end 131 to the second end 132. In this embodiment, the end of the first end 131 is an isosceles trapezoid.

The end of the second end 132 is square. In this embodiment, the width of the second end 132 is consistent with the maximum width of the first end 131, and the width from the second end 132 to the maximum width of the first end 131 is consistent.

The first end 131 of the adapter plate 13 corresponds to the first fixing column 11, and the second end 132 corresponds to the second fixing column 11. The first end 131 of the adapter plate 13 can just be clamped in the accommodating space formed by the positioning column and the first fixing column 11, and the second end 132 cannot be placed at the first fixing column 11, so that the foolproof design is realized.

The adapter plate 13 is provided with a plurality of adapter holes.

Specifically, the adapter plate 13 is a circuit board electrically connected to the power supply of the box 8.

The connector is arranged on the adapter plate 13 and electrically connected with the power supply and the LED display module respectively. Specifically, the connectors include a first connector 141 and a second connector 142 arranged on both sides of the interposer 13.

The first connector 141 and the second connector 142 are electrically connected, and the first connector 141 and the second connector 142 are detachably connected.

The first connector 141 is electrically connected to the LED display module. In this embodiment, the first connector 141 is located on a side of the interposer 13 away from the box 8, that is, the first connector 141 is located above the interposer 13.

The first connector 141 is electrically connected to the adapter plate 13 to electrically connect to a power supply, so that the adapter plate 13 transmits the power supply to the first connector 141 to supply power to the LED display module.

The LED display module is provided with a receiving connector electrically connected and detachably connected to the first connector 141. In this embodiment, a slot is disposed at the top of the first connector 141, a pin is disposed on the receiving connector, and the pin is inserted into the slot, so that the LED display module and the first connector 141 can be electrically connected and detachably connected.

The second connector 142 is disposed on a side surface of the interposer 13 facing the box 8, that is, the second connector 142 is located below the interposer 13. The second connector 142 is mainly used for transmitting data.

The first connector 141 has a plurality of pins facing the side of the interposer 13, and the second connector 142 has a plurality of slots opening to the interposer 13. A plurality of pins on the first connector 141 pass through a plurality of switch holes on the switch board 13 and are inserted into slots of the second connector 142, so as to realize detachable connection of the first connector 141, the switch board 13 and the second connector 142, electrical connection between the first connector 141 and the second connector 142, and electrical connection between the first connector 141 and the switch board 13.

The second connector 142 receives data information and transmits the data information to the LED display module through the first connector 141, so that the LED display module displays information such as required text, graphics, or video.

The connection method of the floating connection member 1 in this embodiment is as follows:

the first end 131 of the adapter plate 13 is placed on the first fixing column 11, the second end 132 of the adapter plate 13 is placed on the second fixing column 11, the two bolts 12 respectively pass through the through holes 133 on the adapter plate 13, and the bolts 12 are screwed with the fixing columns 11.

The second connector 142 is placed on the box body 8, and the first adapter is placed on the adapter plate 13 and connected with the second connector 142 to realize electrical connection.

Through the mechanical connection and the electrical connection, the mechanical connection and the electrical connection between the box body 8 and the LED display module are realized.

Because the outer diameter of the limiting column 123 is larger than the outer diameter of the stud body 122, and the stud body 122 is adapted to the screw hole, and further the outer diameter of the limiting column 123 is larger than the caliber of the screw hole, the limiting column 123 is located outside the screw hole, and therefore, the adapter plate 13 is sleeved on the periphery of the limiting column 123. And because the aperture of the via hole 133 on the adapter plate 13 is larger than the outer diameter of the limiting column 123 and smaller than the outer diameter of the nut 121, the adapter plate 13 can move in the horizontal plane relative to the fixing column 11 and the bolt 12, that is, the adapter plate 13 can move in the horizontal plane relative to the box body 8, and further drives the connector on the adapter plate 13 to move, so that the LED display module can float in the plane parallel to the LED display module relative to the box body 8. Because the through holes are circular holes, the adapter plate 13 can float in all directions in a plane parallel to the LED display module.

Further, the height of the limiting column 123 along the axial direction of the limiting column is larger than the thickness of the adapter plate 13, so that when the adapter plate 13 abuts against the fixed column 11, a gap is formed between the nut 121 and the adapter plate 13, and the adapter plate 13 can move along the axis direction of the fixed column 11, so that the LED display module floats in the direction perpendicular to the LED display module relative to the box body 8.

The LED display module can be adjusted, so that the installation between the LED display module and the box body 8 is convenient, the precision between the LED display modules is improved, and the display effect of the LED display screen is improved.

Example two

Referring to fig. 5, the difference between the present embodiment and the first embodiment is: the adapter plate 23 is sleeved on the periphery of the fixing column 21.

Specifically, the fixing post 21 includes a post connected to the case and a protrusion 212 provided at the other end of the post. The outer diameter of the protrusion 212 is smaller than the outer diameter of the cylinder.

A threaded bore extends through the post and the protrusion 212.

The bolt 22 includes a nut 221 and a stud 222. The outer circumference of the stud 222 is provided with an external thread, and the stud 222 is matched with the screw hole.

The connection method of the floating connection member in this embodiment is the same as that in the first embodiment.

The adapter plate 23 is sleeved on the periphery of the protruding portion 212, the aperture of the via hole is larger than the outer diameter of the protruding portion 212, and the aperture of the via hole is smaller than the outer diameter of the column, so that the adapter plate 23 can move in the horizontal plane relative to the fixed column 21 and the bolt 22, that is, the adapter plate 23 can move in the horizontal plane relative to the box body, and further, the connector on the adapter plate 23 is driven to move.

Further, the height of the axis of the protruding portion 212 is greater than the thickness of the adapting plate 23, so that when the adapting plate 23 abuts against the fixed column 21, a gap is formed between the nut 221 and the adapting plate 23, and the adapting plate 23 can move along the axis direction of the fixed column 21, so that the LED display module floats in a direction perpendicular to the LED display module relative to the box body.

Other features of the floating connector of the present embodiment can be found in the first embodiment and will not be described in detail herein.

EXAMPLE III

Referring to fig. 6, the difference between the present embodiment and the first embodiment is: the floating connection also includes a stop collar 38.

Specifically, bolt 32 includes a nut 321 and a stud 322. The outer circumference of the stud 322 is provided with an external thread, and the stud 322 is matched with the screw hole.

The connection method of the floating connection member in this embodiment is as follows:

the first end of the adapter plate 33 is placed on the first fixing column 31, the second end of the adapter plate 33 is placed on the second fixing column 31, the limiting ring 38 is placed at the through hole, the two bolts 32 respectively penetrate through the limiting ring 38, and the bolts 32 are in threaded connection with the fixing columns 31.

The second connector is placed on the box body, and the first adaptor is placed on the adaptor plate 33 and connected with the second connector to realize electrical connection.

Through the mechanical connection and the electric connection, the mechanical connection and the electric connection of the box body and the LED display module are realized.

The limiting ring 38 is sleeved on the periphery of the stud. The outer diameter of the limiting ring 38 is smaller than the aperture of the via hole, and the outer diameter of the limiting ring 38 is larger than the aperture of the screw hole, so that the adapter plate 33 can move in the horizontal plane relative to the fixing column 31 and the bolt 32232, that is, the adapter plate 33 can move in the horizontal plane relative to the box body, thereby driving the connector on the adapter plate 33 to move.

Further, the height of the axis of the limiting ring 38 is greater than the thickness of the adapter plate 33, so that when the adapter plate 33 abuts against the fixed column 31, a gap is formed between the nut 321 and the adapter plate 33, and the adapter plate 33 can move along the axis of the fixed column 31, so that the LED display module floats in the direction perpendicular to the LED display module relative to the box body.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. The utility model provides a be applied to unsteady connecting piece of LED display screen, the LED display screen includes box and LED display module assembly, a serial communication port, unsteady connecting piece is used for realizing the box with the mechanical connection and the electricity of LED display module assembly are connected, unsteady connecting piece includes:

at least one bolt comprising a nut and a stud;

the bolt penetrates through the through hole and is in threaded connection with the screw hole, the caliber of the through hole is smaller than the outer diameter of the nut, and the caliber of the through hole is larger than the diameter of the stud or the caliber of the through hole is larger than the outer diameter of the top of the fixed column, so that the adapter plate can float.

2. The floating connection of claim 1, wherein said nut is spaced from said adapter plate when said adapter plate abuts said fixing post.

3. The floating connecting piece according to claim 1 or 2, wherein the stud comprises a stud body and a limiting column arranged between the stud body and the nut, the stud body is matched with the screw hole, the diameter of the limiting column is larger than the caliber of the screw hole, and the adapter plate is sleeved on the periphery of the limiting column.

4. The floating connection of claim 3, wherein the height of the axis of the restraining post is greater than the thickness of the adapter plate.

5. The floating connection piece according to claim 1 or 2, wherein the fixing column comprises a column body connected with the box body and a protruding portion arranged at the other end of the column body, the outer diameter of the protruding portion is smaller than that of the column body, the adapter plate is sleeved on the periphery of the protruding portion, the aperture of the through hole is larger than that of the protruding portion, and the aperture of the through hole is smaller than that of the column body.

6. The floating connection of claim 5 wherein the axial height of said protrusion is greater than the thickness of said adapter plate.

7. The floating connection of claim 1 or 2, further comprising a stop collar;

8. The floating connection of claim 7, wherein the axial height of the stop collar is greater than the thickness of the adapter plate.

9. The floating connection of claim 1, wherein said via is a circular hole.

10. The floating connector of claim 1 wherein said adapter plate has a first end and a second end, said first end and said second end being of different configurations, said first end having a width that increases in a direction toward said second end;

11. The floating connector assembly of claim 1 wherein said connectors include a first connector and a second connector respectively disposed on either side of said interposer, said first connector and said second connector being electrically and removably connected, said first connector being electrically connected to both said LED display module and said interposer, said interposer being electrically connected to a power source.

12. An LED display screen is characterized by comprising a box body, a plurality of LED display modules and a plurality of floating connecting pieces according to any one of claims 1 to 11, wherein the floating connecting pieces correspond to the LED display modules one to one and are connected with the corresponding LED display modules and the box body.