CN113108189A

CN113108189A - Lifting rotary display screen

Info

Publication number: CN113108189A
Application number: CN202110511979.9A
Authority: CN
Inventors: 郑小飞
Original assignee: Shenzhen Bolia Optoelectronics Co ltd
Current assignee: Shenzhen Bolia Optoelectronics Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-07-13
Anticipated expiration: 2041-05-11
Also published as: CN113108189B

Abstract

The invention discloses a lifting rotary display screen, which comprises a first block screen and a second block screen, wherein a fixing ring is fixedly connected to the non-display surface of the first block screen, the first block screen is arranged on a wall body, a driving mechanism is also arranged on the wall body, a driving piece is arranged on the first block screen, a first rotating shaft and two groups of second rotating shafts are rotatably connected to the first block screen, a first motor and the first rotating shaft as well as the first rotating shaft and the second rotating shaft are connected through gear transmission, lead screws are connected to the two ends of the second rotating shaft, threaded sleeves are in threaded connection with the lead screws, the lifting rotary display screen can be adjusted according to specific use requirements by arranging the second block screen which can be adjusted in position and driven by the driving mechanism and the driving piece, the length-width ratio of the display screen can be changed, the integral lifting change can be realized by adjusting the rotation of a single area, the optimal display effect can be achieved without reducing the effective area.

Description

Lifting rotary display screen

Technical Field

The invention relates to the technical field of display screens, in particular to a lifting rotary display screen.

Background

The LED advertisement is a new media advertisement form, and is a perfect combination of a new media technology and an outdoor advertisement publishing form. The LED advertisement is an advertisement word or picture formed by splicing light-emitting diodes. Such as electronic large-screen advertisements which are usually seen on the street or highlighted advertisement words and signs with colored lights on roadsides, the advertisement is put everywhere.

The existing LED advertisements are all put in by adopting electronic screens, and can be installed in various positions and in different sizes, so the LED advertisements are widely used, but the existing electronic screens are all fixedly installed, namely the sizes of the electronic screens can be fixed once the electronic screens are installed, certain advertisements need to be displayed better by a vertical and longer display screen, and the existing electronic screens need to be longer in length in the horizontal direction and better in superiority. Therefore, a lifting and rotating display screen is provided.

Disclosure of Invention

The invention aims to provide a display screen which can be lifted and rotated by changing the proportion so as to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a lifting and rotating display screen comprises a first block screen, wherein a fixing ring is fixedly connected to the non-display surface of the first block screen, the first block screen is rotatably installed on a wall body through the fixing ring, and a driving mechanism for driving the first block screen to rotate is further installed on the wall body;

the second block screen is arranged at the edge of the first block screen, and a driving piece for driving the second block screen to rotate is arranged on the first block screen;

the first motor is fixedly installed on the first block screen, the first block screen is rotatably connected with a first rotating shaft and two groups of second rotating shafts, the first motor and the first rotating shaft as well as the first rotating shaft and the second rotating shaft are in transmission connection through gears, two ends of each second rotating shaft are connected with a screw rod rotatably connected with the first block screen, and the screw rod is in threaded connection with a threaded sleeve connected with a driving piece;

the limiting part is arranged between the first block screen and the second block screen and is used for limiting the second block screen to be fixed in position.

Preferably, the driving member comprises a limit ring which is rotatably connected with the first block screen and the second block screen respectively, a base ring is fixedly connected on the first block screen, a gear ring is fixedly connected in the base ring, a planet carrier is fixedly connected at one end of the limit ring, a plurality of planet gears are rotatably connected on the planet carrier, a rotating wheel is rotatably connected at the outer side of the base ring, a sun gear which is meshed with the planet gears is fixedly connected at the axle center of one side of the rotating wheel, a first fixed rod which is fixedly installed with the second block screen is fixedly connected on the rotating wheel, a second fixed rod for driving the limit ring to rotate is further connected on the limit ring, an adjusting plate is rotatably connected at the end part of the second fixed rod, an empty groove which is slidably connected with the thread sleeve is arranged in the adjusting plate, and a planet gear speed reducing mechanism is formed by the planet carrier, thereby achieving variable speed adjustment.

Preferably, the limiting part comprises a fixed block fixedly arranged on the first block screen, a non-linear mounting groove is formed in the fixed block, a first slider and a second slider are slidably connected in the mounting groove, a contact surface between the first slider and the second slider is an inclined surface and is in limiting sliding connection, a limiting block and a driving rack are further slidably connected in the mounting groove, a limiting frame matched with the limiting block is fixedly connected on the second block screen, elastic parts are respectively connected between the limiting block and the first slider, between the driving rack and the second slider, a transmission gear meshed with the driving rack is fixedly connected on the second rotating shaft, blind grooves are respectively formed at two ends of the second rotating shaft, a plurality of first clamping blocks are arranged in the blind grooves, and a plurality of second clamping blocks matched with the first clamping blocks are fixedly connected at one end of the lead screw, the limiting or the releasing of the limiting is realized at the initial rotating stage through the two clamping blocks and the elastic piece, and the rotation of the second block screen is not influenced by the subsequent rotation.

Preferably, one end of the second sliding block is fixedly provided with a T-shaped block which is connected with the first sliding block in a sliding manner, so that the first sliding block and the second sliding block can stably slide, and the mode is convenient to mount and assemble.

Preferably, the screw rod is sleeved with a limiting ring connected with the end part of the second rotating shaft, so that the screw rod can rotate more stably.

Preferably, the elastic member is a spring, which is simpler and cheaper than other methods.

Preferably, the fixing ring is located below a geometric center point of the non-display surface of the first block screen so as to be located below the center of gravity.

Preferably, first block screen is gone up fixedly connected with first dog, and fixed being provided with on the wall body rather than the second dog of looks adaptation, it has spacingly after being convenient for rotate to prevent the long-time atress of driving source.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the position-adjustable second block screen is arranged and driven by the driving mechanism and the driving part, the display screen can be adjusted according to specific use requirements, so that the length-width ratio of the display screen is changed, the integral lifting change is realized by adjusting the rotation of a single area, and the optimal display effect is achieved under the condition that the effective area is not reduced;

2. the limiting part and the driving part share one motor, and the functions of the limiting part and the driving part are not interfered with each other, so that the structure is more compact and ingenious, and the cost is reduced;

3. the second block screen and the first block screen are both formed by the existing single modularized electronic screen, and screens with different sizes are formed, so that adjustment of different proportions is realized.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another orientation;

FIG. 3 is a schematic diagram of a state-changed structure of the present invention;

FIG. 4 is a schematic view of the connection structure of the driving member and the screw;

FIG. 5 is an enlarged view of the structure of area A in FIG. 4;

FIG. 6 is a schematic view of the driving member;

FIG. 7 is a schematic view of the alternate orientation of FIG. 6;

fig. 8 is a schematic structural diagram of the first latch and the second latch.

In the figure: 1-a first tile screen; 2-a fixed ring; 3-a drive mechanism; 4-a second tile screen; 5-a driving member; 6-a first motor; 7-a first rotating shaft; 8-a second rotating shaft; 9-a screw rod; 10-a thread bushing; 11-a stop; 12-a stop collar; a 13-basic ring; 14-a gear ring; 15-a planet carrier; 16-a planetary gear; 17-a fixation rod; 18-sun gear; 19-a fixation rod; 20-a second fixing rod; 21-adjusting plate; 22-empty slot; 23-fixing blocks; 24-a mounting groove; 25-a first slider; 26-a second slide; 27-a limiting block; 28-a drive rack; 29-a limit frame; 30-an elastic member; 31-a transmission gear; 32-blind grooves; 33-a first fixture block; 34-a second fixture block; a 35-T shaped block; 36-a spacing ring; 37-a first stop; 38-second stop.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-7, the present invention provides a technical solution: a lifting and rotating display screen comprises a first block screen 1, wherein a fixing ring 2 is fixedly connected to the non-display surface of the first block screen 1, the first block screen 1 is rotatably installed on a wall body through the fixing ring 2, a driving mechanism 3 used for driving the first block screen 1 to rotate is further installed on the wall body, a columnar installation mechanism is arranged on the wall body and is rotatably connected with the fixing ring, the driving mechanism is composed of a second motor installed in the wall body, a driving gear installed on the second motor and an inner meshing gear fixedly installed on the first block screen 1, and the second motor is in transmission through the meshing of the driving gear and the inner meshing gear, so that the first block screen 1 is driven to rotate;

the display screen comprises a first block screen 1, a second block screen 4 arranged at the edge of the first block screen 1, wherein a driving piece 5 used for driving the second block screen 4 to rotate is arranged on the first block screen 1, the first block screen 1 and the second block screen 4 are both formed by a single modularized electronic screen, but the number of the first block screen and the second block screen is different, in the embodiment, the first block screen adopts 6 modularized electronic screens which are fixedly connected into a whole, the second block screen 4 adopts two types, namely one type is formed by one modularized electronic screen, the other type is formed by connecting two modularized electronic screens into a whole, the two types are different, the display surfaces generated by the whole screen after the second block screen rotates are different in proportion, and the driving piece 5 is mainly used for driving the second block screen 4 to rotate, so that the proportion is adjusted and changed;

a first motor 6 fixedly installed on the first block screen 1, a first rotating shaft 7 and two groups of second rotating shafts 8 are rotatably connected on the first block screen 1, the first motor 6 and the first rotating shaft 7 as well as the first rotating shaft 7 and the second rotating shafts 8 are connected through gear transmission, bevel gears are respectively arranged at two ends and the middle part of the first rotating shaft 7, the output end of the first motor 6 is in meshing transmission with the bevel gear at the middle part of the first rotating shaft 7 through the bevel gear, one end of the second rotating shaft 8 is in meshing transmission with the bevel gear at the end part of the first rotating shaft 7 through the bevel gear, the bevel gear transmission is stable, the axes of the first rotating shaft 7 and the second rotating shaft 8 can be in the same plane, two ends of the second rotating shaft 8 are both connected with a screw rod 9 rotatably connected with the first block screen 1, a thread sleeve 10 connected with a driving part 5 is in threaded connection with the screw rod 9, the screw rod 9 is driven by the second rotating shaft 8, thereby moving the threaded sleeve 10 and thus modifying the drive member 5 for adjustment;

and the limiting part 11 is arranged between the first block screen 1 and the second block screen 4 and is used for limiting the position of the second block screen 4 to be fixed.

The driving part 5 comprises a limiting ring 12 which is respectively rotatably connected with the first block screen 1 and the second block screen 4, the limiting ring 12 can limit the second block screen 4 to rotate only along a single point and can not move when rotating, a base ring 13 is fixedly connected on the first block screen 1, a gear ring 14 is fixedly connected in the base ring 13, one end of the limiting ring 12 is fixedly connected with a planet carrier 15, a plurality of planet gears 16 are rotatably connected on the planet carrier 15, a rotating wheel 17 is rotatably connected on the outer side of the base ring 13, a sun wheel 18 which is meshed and connected with the planet gears 16 is fixedly connected on the axis of one side of the rotating wheel 17, the gear ring 14, the planet carrier 15, the planet gears 16, the rotating wheel 17 and the sun wheel 18 jointly form a planet gear speed reducing mechanism, namely the planet carrier 15 rotates for one circle, so that the rotating wheel 17 rotates for more than one circle, and the specific multiple is determined by the ratio of the indexing circle diameters of the, rotate wheel 17 and go up fixedly connected with and second block screen 4 fixed mounting's first dead lever 19, still be connected with on the spacing ring 12 and be used for driving its pivoted second dead lever 20, first dead lever 19 rotates, drives second dead lever 20 through planetary gear reduction mechanism, and turned angle between them has a certain proportion, the tip of second dead lever 20 rotates and is connected with regulating plate 21, set up the dead slot 22 with thread bush 10 sliding connection in the regulating plate 21, thread bush 10 moves under the rotation of lead screw 9 to promote regulating plate 21, because the removal of regulating plate 21, thereby drive the rotation of second dead lever 20, dead slot 22 is the lateral shifting of 21 of being convenient for.

The limiting member 11 comprises a fixed block 23 fixedly installed on the first block screen 1, a non-linear installation groove 24 is formed in the fixed block 23, specifically, the fixed block is L-shaped, a first slider 25 and a second slider 26 are slidably connected in the installation groove 24, a contact surface between the first slider 25 and the second slider 26 is an inclined surface, the first slider 25 and the second slider 26 are in limited sliding connection, the two sliders can mutually influence the position of the other slider due to the inclined surface sliding, the limited sliding is limited, namely, the first slider 25 and the second slider are limited, the separation is prevented, a limiting block 27 and a driving rack 28 are further slidably connected in the installation groove 24, a limiting frame 29 matched with the limiting block 27 is fixedly connected on the second block screen 4, elastic members 30 are connected between the limiting block 27 and the first slider 25 as well as between the driving rack 28 and the second slider 26, the elastic members 30 are springs, and springs are arranged between the limiting block, when the limiting frame 29 reaches the limiting position, the limiting block 27 can be pushed, the spring is ejected under the action of the spring after the limiting frame reaches the limiting position completely, the position is limited, the spring between the second sliding block 26 and the driving rack 28 is convenient to rotate without influencing the second rotating shaft 8, a transmission gear 31 meshed and connected with the driving rack 28 is fixedly connected to the second rotating shaft 8, blind grooves 32 are formed in two ends of the second rotating shaft 8, a plurality of first clamping blocks 33 are arranged in the blind grooves 32, and a plurality of second clamping blocks 34 matched with the first clamping blocks 33 are fixedly connected to one end of the lead screw 9.

The first drawing is an initial state, the length-width ratio of the first drawing is 1:3, when the second motor rotates, the length-width ratio of the second drawing is 3:1, the change at this time is only rotation to change the placing state, the specific proportion is not changed, the first drawing is also an initial state, under the rotation of the first motor 6, the first rotating shaft 7 and the second rotating shaft 8 are driven to rotate, the two ends of the second rotating shaft 8 drive the screw rod 9, the second fixing rod 20 is further pushed through the threaded sleeve 10, the first fixing rod 19 is driven to rotate, the final state reaches a state shown in the third drawing, the length-width ratio of the first drawing is 4:3, when the second rotating shaft 8 rotates in the initial stage, because a gap exists between the first clamping block 33 and the second clamping block 34, the screw rod 9 cannot be immediately driven, and the transmission gear 31 drives the driving rack 28 to move, the driving rack 28 pushes the second slider 26, and drives the first slider 25 and the limiting block 27 in sequence, after the limiting block 27 extends, the second rotating shaft 8 continues to rotate, at this time, the first fixture block 33 contacts the second fixture block 34, the screw 9 starts to rotate, at this time, the driving rack 28 is already in a state of being disengaged from the transmission gear 31, and only the transmission gear 31 can be contacted under the action of the spring 24, so that the driving rack 28 is continuously pushed in the rotation process of the transmission gear 31, the rotation of the screw 9 is not influenced, until finally the second block screen 4 rotates 180 degrees, the limiting frame 29 is limited by the limiting block 27, the length-width ratio of the second block screen 4 and the length-width ratio of the electronic screen of a single module can be changed into different proportions, and after the proportions are changed, the electronic screen can also rotate under the action of the second motor, so that the length-width ratio is changed.

Example two

Referring to fig. 5 and 8, a second embodiment is described, and this embodiment is a further description of the first embodiment, for convenience of installation and replacement, a T-shaped block 35 slidably connected with the first slider 25 is fixedly installed at one end of the second slider 26, the T-shaped block 35 is configured as a separate component and is fixedly installed on the second slider 26 by means of screws or bolts, and the first slider 25 is provided with corresponding sliding grooves for sliding fit.

In order to facilitate the rotation of the screw rod to be more stable, the screw rod 9 is sleeved with a limiting ring 36 connected with the end part of the second rotating shaft 8, because a certain gap exists between the first fixture block 33 and the second fixture block 34, the inner diameter of the same blind groove 32 is slightly larger than the diameter of the end part of the screw rod 9, so that the installation is facilitated, the limiting ring 36 is used for limiting and fixing the screw rod and the blind groove, the screw rod can only rotate and transmit, and meanwhile, the installation is facilitated.

EXAMPLE III

Referring to fig. 1 and 2 to describe the third embodiment, in this embodiment, as a further description of the first embodiment, the fixing ring 2 is located below the geometric center point of the non-display surface of the first block screen 1, because there are two types of the second block screen 4 in the first embodiment, that is, the variation ratio of the adjusted upper and lower portions is different, so that the modified setting is convenient to be closer to the center position of two different adjustments.

The first block screen 1 is fixedly connected with a first stop block 37, the wall body is fixedly provided with a second stop block 38 matched with the first stop block, when the length-width ratio of the first block screen is adjusted to be 3:1 or 4:3, the fixed center is not located in the middle of the whole screen, so that two ends of the first block screen are unbalanced, and the second block screen 38 is matched with the first stop block 37 to prevent a second motor from being stressed when the second motor is not used.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lifting and rotating display screen is characterized by comprising:

the display screen comprises a first block screen (1), wherein a fixing ring (2) is fixedly connected to the non-display surface of the first block screen (1), the first block screen (1) is rotatably installed on a wall body through the fixing ring (2), and a driving mechanism (3) for driving the first block screen (1) to rotate is further installed on the wall body;

the second block screen (4) is arranged at the edge of the first block screen (1), and a driving piece (5) for driving the second block screen (4) to rotate is arranged on the first block screen (1);

the device comprises a first motor (6) fixedly installed on a first block screen (1), wherein a first rotating shaft (7) and two groups of second rotating shafts (8) are connected to the first block screen (1) in a rotating mode, the first motor (6), the first rotating shaft (7) and the second rotating shafts (8) are connected through gear transmission, two ends of each second rotating shaft (8) are connected with a lead screw (9) in rotating connection with the first block screen (1), and a threaded sleeve (10) connected with a driving piece (5) is in threaded connection with each lead screw (9);

the limiting piece (11) is arranged between the first block screen (1) and the second block screen (4) and used for limiting the position of the second block screen (4) to be fixed.

2. A lifting/lowering rotary display screen as claimed in claim 1, wherein: the driving piece (5) comprises a limiting ring (12) which is rotatably connected with a first block screen (1) and a second block screen (4) respectively, a base ring (13) is fixedly connected to the first block screen (1), a gear ring (14) is fixedly connected to the inner side of the base ring (13), a planet carrier (15) is fixedly connected to one end of the limiting ring (12), a plurality of planetary gears (16) are rotatably connected to the planet carrier (15), a rotating wheel (17) is rotatably connected to the outer side of the base ring (13), a sun wheel (18) which is meshed with the planetary gears (16) is fixedly connected to the axle center of one side of the rotating wheel (17), a first fixing rod (19) fixedly mounted with the second block screen (4) is fixedly connected to the rotating wheel (17), a second fixing rod (20) used for driving the limiting ring to rotate is further connected to the limiting ring (12), and an adjusting plate (21) is rotatably connected to the end of the second fixing rod (20), an empty groove (22) which is connected with the thread sleeve (10) in a sliding way is arranged in the adjusting plate (21).

3. A lifting/lowering rotary display screen as claimed in claim 1, wherein: the limiting part (11) comprises a fixed block (23) fixedly installed on the first block screen (1), a non-linear installation groove (24) is formed in the fixed block (23), a first sliding block (25) and a second sliding block (26) are connected in the installation groove (24) in a sliding mode, the contact surface between the first sliding block (25) and the second sliding block (26) is an inclined surface and is in limiting sliding connection, a limiting block (27) and a driving rack (28) are further connected in the installation groove (24) in a sliding mode, a limiting frame (29) matched with the limiting block (27) is fixedly connected on the second block screen (4), elastic parts (30) are connected between the limiting block (27) and the first sliding block (25) and between the driving rack (28) and the second sliding block (26), and a transmission gear (31) meshed with the driving rack (28) is fixedly connected on the second rotating shaft (8), blind grooves (32) are formed in two ends of the second rotating shaft (8), a plurality of first clamping blocks (33) are arranged in the blind grooves (32), and a plurality of second clamping blocks (34) matched with the first clamping blocks (33) are fixedly connected to one end of the screw rod (9).

4. A lifting and lowering rotary display screen as claimed in claim 3, wherein: and a T-shaped block (35) which is connected with the first sliding block (25) in a sliding manner is fixedly arranged at one end of the second sliding block (26).

5. A lifting and lowering rotary display screen as claimed in claim 3, wherein: and the screw rod (9) is sleeved with a limiting ring (36) connected with the end part of the second rotating shaft (8).

6. A lifting and lowering rotary display screen as claimed in claim 3, wherein: the elastic piece (30) is a spring.

7. A lifting/lowering rotary display screen as claimed in claim 1, wherein: the fixing ring (2) is positioned below the geometric center point of the non-display surface of the first block screen (1).

8. The lifting and rotating display screen of claim 7, wherein: a first stop block (37) is fixedly connected to the first block screen (1), and a second stop block (38) matched with the first stop block is fixedly arranged on the wall body.