CN212647790U - Thickness-adjustable LED box, LED display screen and double-sided display screen - Google Patents
Thickness-adjustable LED box, LED display screen and double-sided display screen Download PDFInfo
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- CN212647790U CN212647790U CN202021207852.5U CN202021207852U CN212647790U CN 212647790 U CN212647790 U CN 212647790U CN 202021207852 U CN202021207852 U CN 202021207852U CN 212647790 U CN212647790 U CN 212647790U
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- 238000012856 packing Methods 0.000 description 3
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Abstract
The utility model relates to a thickness-adjustable LED box, LED display screen and two-sided display screen, wherein, the LED box includes box frame, LED display module, control box, power pack and at least two link mechanism, the LED display module sets up on the display end face of box frame, the control box sets up on the back of box frame; the connecting rod mechanisms are symmetrically distributed at a first end and a second end which are opposite to each other on the box body frame; one end of the connecting rod mechanism is rotationally connected with the box body frame, and the other end of the connecting rod mechanism is rotationally connected with the power supply box; the distance between the power box and the box body frame and the offset distance relative to the position of the center line can be adjusted by adjusting the connecting rod mechanism; the control box is electrically connected with the power box and the LED display module. The power supply box and the control box are separated and are arranged in a staggered manner, so that the problem of display effect caused by heat concentration can be avoided, and more boxes can be accommodated in a single packaging box; when the double-sided display screen is spliced, the thickness can be obviously reduced.
Description
Technical Field
The utility model relates to a LED shows the field, especially relates to a thickness adjustable LED box, LED display screen and two-sided display screen.
Background
An LED display screen is generally formed by splicing a plurality of display boxes. The existing LED display box body is generally single-sided display and comprises an LED module and a power box, and LED lamp beads are arranged on the front surface of a PCB of the module to form a display surface. Can be provided with scanning card, HUB board and power module in the power pack, the power pack is generally fixed to be set up in the middle part position at the module back, outwards swells from the LED module back.
In order to reduce the thickness of the display box, the power box is generally disposed close to the module. Therefore, the LED module can be prevented from radiating, heat is concentrated in the attaching area of the power box and the LED module, the temperature of the module is uneven, and the LED display effect is affected.
Meanwhile, when the power box is packaged and transported, the power box is fixedly arranged in the middle of the box body, and the spaces on two sides of the power box are generally wasted, so that the number of boxes which can be contained in a single packaging box body is small, and the packaging and transporting efficiency is influenced.
In some scenes, such as shopping malls, subways, cinemas and other areas with large people flow, when the LED display screen is used for advertising or information distribution, due to the diversity of the people flow directions, the display contents of the LED display screen cannot be seen by people flows in other directions when the LED display screen is displayed on a single side. In this case, the double-sided display screen has great advantages and can help information transmission.
The existing double-sided display screen is formed by splicing LED display box bodies with single-sided display in a back-to-back mode. During the concatenation, the power pack at LED box back middle part is relative each other, leads to the thickness of two-sided display screen thicker, has certain requirement to installation service environment, and the installation is inconvenient.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to fix the power pack in box back middle part position to current LED display box, has the heat to concentrate, influences the display effect, is unfavorable for the problem of installation transportation, provides a thickness adjustable LED box, LED display screen and two-sided display screen.
An embodiment of the application provides an LED box body with adjustable thickness, which comprises a box body frame, an LED display module, a control box, a power supply box and at least two connecting rod mechanisms, wherein the box body frame comprises a display end surface and a back surface; the LED display module is arranged on the display end face and is fixedly connected with the box body frame; the control box is arranged on the back surface and is fixedly connected with the box body frame;
the box body frame comprises a first end and a second end which are opposite, and the connecting rod mechanisms are symmetrically distributed at the first end and the second end of the box body frame; one end of the connecting rod mechanism is rotationally connected with the box body frame, and the other end of the connecting rod mechanism is rotationally connected with the power box;
adjusting the distance between the power box and the box body frame and the offset distance of the power box relative to the central line position of the box body frame by adjusting the included angle between the connecting rod mechanism and the box body frame and the included angle between the connecting rod mechanism and the power box;
when the power supply box moves to the position of the control box, the control box is positioned between the power supply box and the box body frame;
the power supply box is electrically connected with the control box, and the control box is electrically connected with the LED display module.
In some embodiments, the number of the connecting rod mechanisms is 2N, the first end of the box frame is provided with N connecting rod mechanisms, the second end of the box frame is provided with N connecting rod mechanisms, and N is a positive integer.
In some embodiments, N is 2, the number of the connecting rod mechanisms is 4, the first end of the box frame is provided with 2 connecting rod mechanisms, the second end of the box frame is provided with 2 connecting rod mechanisms, and the connecting rod mechanisms are symmetrically distributed relative to the center line position of the box frame.
In some embodiments, the connecting rod mechanism consists of 2 links, the 2 links being rotationally connected therebetween; the free end of one of the connecting rods is rotationally connected with the box body frame, and the free end of the other connecting rod is rotationally connected with the power supply box.
In some embodiments, the length of the power supply box is less than the distance between the first end and the second end of the box frame, the connecting rod includes a first connecting rod and 2 supporting cross rods, the 2 supporting cross rods are respectively and fixedly connected with two ends of the first connecting rod, and an included angle between the first connecting rod and the supporting cross rods is set to be an obtuse angle.
In some embodiments, the connection rod is rotatably connected with the box frame, the 2 connection rods and the power supply box through butterfly screws.
In some embodiments, the connecting rod mechanism is composed of 1 connecting rod, one end of the connecting rod is rotatably connected with the box body frame, and the other end of the connecting rod is rotatably connected with the power supply box.
In some embodiments, the power supply box and the control box are electrically connected through a cable with an aviation plug and an aviation socket.
An embodiment of the application further provides an LED display screen, which comprises a plurality of LED boxes, wherein the LED boxes are mutually spliced to form the LED display screen, and the LED boxes are any one of the LED boxes with adjustable thickness.
Another embodiment of the application further provides a double-sided display screen, which comprises a plurality of LED box body groups, wherein each LED box body group comprises 2 LED box bodies spliced back to back, and each LED box body is the LED box body with the adjustable thickness in any one of the previous embodiments; in the LED box body group, power supply boxes of 2 LED box bodies are respectively positioned at two opposite sides of the LED box body group; adjacent LED box group splices together each other, forms the two-sided display screen that has 2 display surfaces.
Through setting up power pack and control box separation, utilize link mechanism to rotate and connect power pack and box frame, through the angle of adjusting the contained angle between link mechanism and the box frame, the angle of contained angle between link mechanism and the power pack, can let break away from the contact between power pack and the control box, misplace, avoid the heat to concentrate and concentrate between power pack and control box, can effectively improve the radiating effect of LED box, make the heat distribution on the LED display module assembly relatively more even, avoided the heat to concentrate the display effect problem that arouses. Simultaneously, for current power pack and control box unification setting, in this embodiment, the power pack can with control box dislocation set, utilize power pack and control box in the overlap area of thickness direction, can conveniently adjust the thickness of LED box to can be through adjusting the position of power pack on the LED box, dislocation when can make things convenient for two LED boxes to lean against back is placed, reduce thickness, single packing box can hold more boxes, is showing the efficiency when promoting the installation transportation.
Furthermore, when the two LED box bodies are spliced back to form the double-sided display screen, the power supply boxes of the two LED box bodies can be arranged on two sides of the double-sided display screen, so that the two LED box bodies are arranged in a staggered mode and are not overlapped together, and the thickness of one power supply box can be reduced for the double-sided display screen; meanwhile, the thickness of the double-sided display screen can be further reduced by utilizing the overlapping area of the power supply box and the control box in the thickness direction. Compared with the existing double-sided display screen, the double-sided display screen provided by the embodiment of the application reduces the thickness of at least one power supply box, can effectively reduce the thickness, reduces the requirement on the installation environment, and greatly facilitates the installation.
Drawings
Fig. 1 is a schematic structural diagram of an LED box according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of the LED box in FIG. 1 from a top view;
FIG. 3 is a schematic structural diagram of the LED box in FIG. 1 in a side view;
FIG. 4 is a schematic structural diagram of an LED box when a power supply box is disposed on the right side of a box frame according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of the LED box in FIG. 4 from a top view;
FIG. 6 is a schematic structural diagram of an LED box when a power supply box is arranged at the right end of a box frame in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of the LED box in FIG. 6 from a top view;
FIG. 8 is a schematic structural diagram of an LED case in an embodiment of the present disclosure, when the power supply box is located at a center line of the case frame;
FIG. 9 is a schematic structural diagram of the LED box in FIG. 8 from a top view;
FIG. 10 is a structural illustration of a linkage mechanism according to an embodiment of the present application;
FIG. 11 is a schematic structural diagram of an LED box according to another embodiment of the present application;
FIG. 12 is a schematic structural diagram of the LED box in FIG. 11 from a top view;
FIG. 13 is a schematic structural diagram of an LED box assembly of a dual-sided display panel according to an embodiment of the present application;
fig. 14 is a schematic structural diagram of the LED box assembly at another viewing angle.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 9, an embodiment of the present application discloses an LED box 100 with adjustable thickness, which includes a box frame 110, an LED display module (not shown), a control box 120, a power box 130, and at least two connecting rod mechanisms 140, wherein the box frame 110 includes a display end surface 110a and a back surface 110 b; the LED display module is arranged on the display end face 110a of the box body frame 110 and is fixedly connected with the box body frame 110; the control box 120 is arranged on the back surface 110b of the box frame 110 and is fixedly connected with the box frame 110;
the box frame 110 comprises a first end 110c and a second end 110d which are opposite, the connecting rod mechanisms 140 are symmetrically distributed on the first end 110c and the second end 110d of the box frame 110, one end of the connecting rod mechanism 140 is rotatably connected with the box frame 110, and the other end is rotatably connected with the power box 130;
by adjusting the included angle between the connecting rod mechanism 140 and the box body frame 110 and the included angle between the connecting rod mechanism 140 and the power supply box 130, the distance between the power supply box 130 and the box body frame 110 and the offset distance of the power supply box 130 relative to the central line position of the box body frame 110 are adjusted;
when the power box 130 moves to the position of the control box 120, the control box 120 is located between the power box 130 and the box body frame 110;
the power supply box 130 is electrically connected with the control box 120, and the control box 120 is electrically connected with the LED display module.
Through setting up power pack and control box separation to utilize link mechanism to rotate and connect power pack and box frame, through the angle of adjusting the contained angle between link mechanism and the box frame, the angle of contained angle between link mechanism and the power pack, can let break away from the contact between power pack and the control box, misplace, avoid the heat to concentrate and concentrate between power pack and control box, can effectively improve the radiating effect of LED box, make the heat distribution on the LED display module relatively more even, avoided the heat to concentrate the display effect problem that arouses. Simultaneously, for current power pack and control box unification setting, in this embodiment, the power pack can with control box dislocation set, utilize power pack and control box in the overlap area of thickness direction, can conveniently adjust the thickness of LED box to can be through adjusting the position of power pack on the LED box, dislocation when can make things convenient for two LED boxes to lean against back is placed, reduce thickness, single packing box can hold more boxes, is showing the efficiency when promoting the installation transportation.
In the LED box 100, there may be one, two or more LED display modules. The LED display module is mounted on the display end surface 110a of the case frame 110 to form a display surface of the LED case 100. Between LED display module assembly and box frame 110, can adopt fixed mode commonly used to carry out fixed connection, for example fixed modes such as screw, round pin, buckle, magnetism adsorb.
The power supply module is disposed in the power supply box 130, and is configured to receive an externally input power supply and convert the power supply into a working voltage required by the control box 120 and the LED display module. The control box 120 may be provided therein with a scanning card for receiving data input from the outside and controlling the LED display module to display corresponding images. The power supply box 130 and the control box 120, and the control box 120 and the LED display module can be electrically connected through cables.
In some embodiments, in order to ensure the waterproof effect of the cable connection between the power box 130 and the control box 120, the power box 130 and the control box 120 may be electrically connected by a cable with an aviation plug and an aviation socket. An aviation socket can be arranged on any one of the power box 130 and the control box 120, and a cable with an aviation plug can be arranged on the other one, and the aviation plug can be inserted into the aviation socket to realize electric connection.
In some embodiments, the LED box 100 includes two LED display modules, and a HUB card may be further disposed in the control box 120; the scanning card is connected with HUB card electricity, between HUB card and the LED display module assembly, can adopt the structure of connector, realizes the electricity and connects. The example can be provided with a plurality of connecting seats on the HUB card, and the LED display module can be provided with the connecting plug that matches, and connecting plug can insert in the connecting seat, accomplishes the electricity and connects. It can be understood that the connecting seat and the connecting plug can be arbitrarily exchanged at the setting position of the HUB card and the LED display module, and the connecting seat and the connecting plug can be matched and connected with each other at the corresponding position.
In order to facilitate the arrangement of the connector between the control box 120 and the LED display module, the box frame 110 may further be provided with an opening region 110e, and the connector may be arranged through the opening region 110e to connect the control box 120 on the back surface 110b and the LED display module on the display end surface 110 a.
In order to enhance the stability of the connection between the control box 120 and the box frame 110, as shown in fig. 1, the box frame 110 may further be provided with a middle frame 111, and the control box 120 may be disposed corresponding to the middle frame 111 so as to be fixedly connected to the box frame 110. At this time, the control box 120 is located at a middle position of the LED housing 100. It is understood that the control box 120 may be disposed at other positions of the LED housing 100 as desired.
As shown in fig. 1, the box frame 110 includes a first end 110c and a second end 110d opposite to each other, and the connecting rod mechanisms 140 are symmetrically disposed at the first end 110c and the second end 110 d. That is, the number of the link mechanisms may be 2N, N is a positive integer, and the number of the link mechanisms 140 connected to the first end 110c and the number of the link mechanisms 140 connected to the second end 110d are N. N may be a number of 1, 2 or more.
The following describes the arrangement of the link mechanism 140, taking the first end 110c as the upper end, the second end 110d as the lower end, and N as 2, including 4 link mechanisms 140 as an example. The upper end of the box frame 110 may be provided with 2 connecting rod mechanisms 140, and the 2 connecting rod mechanisms 140 may be symmetrically distributed with respect to the center line position of the box frame 110; at the lower end of the case frame 110, 2 link mechanisms 140 are also provided. One end of the link mechanism 140 is rotatably connected to the case frame 110, and the other end is rotatably connected to the power supply box 130. At this time, the link mechanism 140 can be regarded as being connected to four corners of the power supply box 130.
As shown in fig. 10, the connecting rod mechanism 140 may be composed of 2 connecting rods 141, and the 2 connecting rods 141 are rotatably connected with each other; the free end of one of the connecting rods 141 is rotatably connected to the case frame 110, and the free end of the other connecting rod 141 is rotatably connected to the power supply box 130.
By adjusting the angle of the included angle between the connecting rod 141 and the box frame 110, the angle of the included angle between 2 connecting rods 141, and the angle of the included angle between the connecting rod 141 and the power box 130, as shown in fig. 1-9, the distance between the power box 130 and the box frame 110, that is, the distance close to the box frame 110 or the distance away from the box frame 110, can be controlled; the offset distance of the power supply box 130 from the center line position of the case frame 110 can be controlled to be freely movable between the left and right sides of the case frame 110. When the power supply box 130 is located at the center line of the case frame 110, the control box 120 is located between the power supply box 130 and the case frame 110. At this time, the power box 130 may be close to or far from the control box 120 by adjusting an angle of an included angle between the connecting rod 141 and the box frame 110, an angle of an included angle between 2 connecting rods 141, and an angle of an included angle between the connecting rod 141 and the power box 130.
Therefore, the power supply box 130 and the control box 120 can be separated, heat concentration between the power supply box 130 and the control box 120 is avoided, the heat dissipation effect of the LED box body 100 can be effectively improved, heat distribution on the LED display module is relatively uniform, and the problem of display effect caused by heat concentration is avoided. Simultaneously, for current power pack and control box unification setting, in this embodiment, the power pack can with control box dislocation set, utilize power pack and control box in the overlap area of thickness direction, can conveniently adjust the thickness of LED box to can be through adjusting the position of power pack on the LED box, dislocation when can make things convenient for two LED boxes to lean against back is placed, reduce thickness, single packing box can hold more boxes, is showing the efficiency when promoting the installation transportation.
In order to improve the heat dissipation performance of the power box 130, the outer surface of the power box 130 may be further provided with heat dissipation fins.
In some embodiments, as shown in fig. 10, the rotational connection between the link 141 and the case frame 110, the rotational connection between the 2 links 141, and the rotational connection between the link 141 and the power supply box 130 may be implemented by a thumb screw 151. When the thumb screw 151 rotates to the locking position, that is, the thumb screw 151 abuts against the connecting rod 141, the angle between the connecting rod 141 and the box frame 110, the angle between 2 connecting rods 141, and the angle between the connecting rod 141 and the power box 130 can be locked, so as to fix the position of the adjusted power box 130 relative to the box frame 110.
It can be understood that, in order to adjust the angle of the included angle between the connecting rod 141 and the box frame 110, the angle of the included angle between 2 connecting rods 141, and the angle of the included angle between the connecting rod 141 and the power supply box 130, only one connecting rod mechanism 140 may be connected to the box frame 110 and the power supply box 130 in a rotating manner, and the butterfly screw 151 is used to realize the rotating connection. Thus, the position of the adjusted power box 130 relative to the box frame 110 can be fixed only by operating the thumb screw 151 on one connecting rod mechanism 140; meanwhile, only one thumb screw 151 on the connecting rod mechanism 140 needs to be operated, so that the locking state can be released, and the adjustment of the position of the power supply box 130 relative to the box body frame 110 can be restarted. The locking and releasing operation is simple and convenient.
It is understood that other conventional locking structures may be used to fix the position of the adjusted power supply box 130 relative to the box frame 110.
In some embodiments, as shown in fig. 1 to 10, the length of the power supply box 130 is less than the distance between the first end 110c and the second end 110d of the box frame 110, the connecting rod 141 may specifically include a first connecting rod 1411 and 2 supporting cross rods 1412, the 2 supporting cross rods 1412 are respectively fixedly connected to two ends of the first connecting rod 1411, and an included angle between the first connecting rod 1411 and the supporting cross rods 1412 is an obtuse angle.
It is understood that when the length of the power supply box 130 is equal to the distance between the first end 110c and the second end 110d of the case frame 110, the link 141 may have a straight shape.
It is understood that the link mechanism 140 may be composed of only 1 link 141, as shown in fig. 11 to 12, and also can adjust the offset distance of the power supply box 130 with respect to the center line position of the case frame 110, and the distance between the power supply box 130 and the case frame 110. The adjustment of the position and distance of the power box 130 is relatively fixed relative to the connecting rod mechanism 140 formed by 2 connecting rods 141 and 1 connecting rod 141, but is not as flexible as the connecting rod mechanism 140 formed by 2 connecting rods 141, and when the power box 130 is located at a certain offset position of the center line position of the box frame 110, the distance between the power box 130 and the box frame 110 is determined, and cannot be adjusted any more.
In the foregoing description, N is 2, and the LED box 100 includes 4 link mechanisms 140 as an example. It is understood that N may also be 1, the LED box 100 may include only 2 connecting rod mechanisms 140 respectively disposed at the first end 110c and the second end 110d of the box frame 110, and the connecting rod mechanisms 140 may be disposed at the center line of the box frame 110.
Another embodiment of this application discloses an LED display screen, including a plurality of LED boxes, the LED box splices each other and forms the LED display screen, the LED box can be preceding arbitrary embodiment the LED box of thickness adjustable.
Because the thickness-adjustable LED box body in the embodiment is adopted, the LED display screen in the embodiment also has the beneficial effects in the embodiment.
Another embodiment of the application further discloses a double-sided display screen, as shown in fig. 13 and 14, which includes a plurality of LED box groups 10, each LED box group 10 includes 2 LED boxes 100 spliced back to back, wherein the LED boxes 100 are the LED boxes with adjustable thickness described in any of the previous embodiments; the adjacent LED box groups 10 are spliced together to form a double-sided display screen 10 having 2 display surfaces.
Because the thickness-adjustable LED box body of the previous embodiment is adopted, the power supply box 130 and the control box 120 are separated from each other, and the problem of display effect caused by heat concentration can be avoided; the power box 130 can be placed on one side of the LED box body by adjusting the included angle between the connecting rod mechanism and the box body frame and the included angle between the connecting rod mechanism and the power box, when the LED box bodies 100 are spliced back to form the LED box body group, the power boxes 130 of 2 LED box bodies 100 are respectively positioned on two opposite sides of the LED box body group and are not overlapped, and the thickness of one power box 130 can be reduced by the double-sided display screen; meanwhile, the thickness of the double-sided display screen can be further reduced by using the overlapping region of the power box 130 and the control box 120 in the thickness direction. Compared with the existing double-sided display screen, the double-sided display screen provided by the embodiment of the application reduces the thickness of at least one power supply box 130, can effectively reduce the thickness, reduces the requirement on the installation environment, and greatly facilitates the installation.
In the several embodiments provided in the present disclosure, it should be understood that the disclosed systems and methods may be implemented in other ways. For example, the system embodiments described above are merely illustrative, and for example, the division of the components is only one logical division, and other divisions may be realized in practice.
In addition, each functional module/component in the embodiments of the present invention may be integrated into the same processing module/component, each module/component may exist alone physically, or two or more modules/components may be integrated into the same module/component. The integrated modules/components can be implemented in the form of hardware, or can be implemented in the form of hardware plus software functional modules/components.
It is apparent to those skilled in the art that the embodiments of the present invention are not limited to the details of the above-described exemplary embodiments, and can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the embodiments being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. Several units, modules or means recited in the system, apparatus or terminal claims may also be implemented by one and the same unit, module or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An LED box body with adjustable thickness is characterized by comprising a box body frame, an LED display module, a control box, a power supply box and at least two connecting rod mechanisms, wherein the box body frame comprises a display end face and a back face; the LED display module is arranged on the display end face and is fixedly connected with the box body frame; the control box is arranged on the back surface and is fixedly connected with the box body frame;
the box body frame comprises a first end and a second end which are opposite, and the connecting rod mechanisms are symmetrically distributed at the first end and the second end of the box body frame; one end of the connecting rod mechanism is rotationally connected with the box body frame, and the other end of the connecting rod mechanism is rotationally connected with the power box;
adjusting the distance between the power box and the box body frame and the offset distance of the power box relative to the central line position of the box body frame by adjusting the included angle between the connecting rod mechanism and the box body frame and the included angle between the connecting rod mechanism and the power box;
when the power supply box moves to the position of the control box, the control box is positioned between the power supply box and the box body frame;
the power supply box is electrically connected with the control box, and the control box is electrically connected with the LED display module.
2. The LED box body with the adjustable thickness of claim 1, wherein the number of the connecting rod mechanisms is 2N, the first end of the box body frame is provided with N connecting rod mechanisms, the second end of the box body frame is provided with N connecting rod mechanisms, and N is a positive integer.
3. The LED box body with the adjustable thickness of claim 2, wherein N is 2, the number of the connecting rod mechanisms is 4, the first end of the box body frame is provided with 2 connecting rod mechanisms, the second end of the box body frame is provided with 2 connecting rod mechanisms, and the connecting rod mechanisms are symmetrically distributed relative to the central line position of the box body frame.
4. The LED box body with the adjustable thickness as claimed in any one of claims 1 to 3, wherein the connecting rod mechanism is composed of 2 connecting rods, and the 2 connecting rods are connected in a rotating manner; the free end of one of the connecting rods is rotationally connected with the box body frame, and the free end of the other connecting rod is rotationally connected with the power supply box.
5. The LED box with the adjustable thickness of claim 4, wherein the length of the power box is less than the distance between the first end and the second end of the box frame, the connecting rod comprises a first connecting rod and 2 supporting cross rods, the 2 supporting cross rods are respectively and fixedly connected with two ends of the first connecting rod, and the included angle between the first connecting rod and the supporting cross rods is set to be an obtuse angle.
6. The LED box body with the adjustable thickness of claim 5, wherein the connection rod is rotatably connected with the box body frame, the 2 connection rods and the power supply box through butterfly screws.
7. The LED box with the adjustable thickness of any one of claims 1 to 3, wherein the connecting rod mechanism is composed of 1 connecting rod, one end of the connecting rod is rotatably connected with the box frame, and the other end of the connecting rod is rotatably connected with the power box.
8. The LED box body with the adjustable thickness as claimed in any one of claims 1 to 3, wherein the power supply box and the control box are electrically connected through a cable with an aviation plug and an aviation socket.
9. An LED display screen, comprising a plurality of LED boxes which are spliced with each other to form the LED display screen, characterized in that the LED boxes are the LED boxes with adjustable thickness as claimed in any one of claims 1 to 8.
10. A double-sided display screen is characterized by comprising a plurality of LED box body groups, wherein each LED box body group comprises 2 LED box bodies spliced back to back, and the LED box bodies are the LED box bodies with adjustable thicknesses according to any one of claims 1 to 8; in the LED box body group, power supply boxes of 2 LED box bodies are respectively positioned at two opposite sides of the LED box body group; adjacent LED box group splices together each other, forms the two-sided display screen that has 2 display surfaces.
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| CN202021207852.5U CN212647790U (en) | 2020-06-28 | 2020-06-28 | Thickness-adjustable LED box, LED display screen and double-sided display screen |
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| CN202021207852.5U CN212647790U (en) | 2020-06-28 | 2020-06-28 | Thickness-adjustable LED box, LED display screen and double-sided display screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114255675A (en) * | 2022-02-28 | 2022-03-29 | 深圳市乐见智显科技有限公司 | Ultrathin double-sided LED display screen |
-
2020
- 2020-06-28 CN CN202021207852.5U patent/CN212647790U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114255675A (en) * | 2022-02-28 | 2022-03-29 | 深圳市乐见智显科技有限公司 | Ultrathin double-sided LED display screen |
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