CN111445805B

CN111445805B - Building wall advertisement screen

Info

Publication number: CN111445805B
Application number: CN202010232388.3A
Authority: CN
Inventors: 朱鑫江
Original assignee: Zhejiang Shangbo Construction Co ltd
Current assignee: Zhejiang Shangbo Construction Co ltd
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2022-04-15
Anticipated expiration: 2040-03-28
Also published as: CN111445805A

Abstract

The invention relates to a building wall advertisement screen, which comprises a frame and a display device connected to the frame, wherein the display device comprises a plurality of LED display panels which are sequentially arranged and rotatably connected to the frame, the frame is provided with a control device, the control device comprises rotating pieces which are in one-to-one correspondence with the LED display panels and rotatably connected to the frame, linkage pieces connected to all the rotating pieces, and driving pieces which drive the linkage pieces to move and realize that the rotating pieces are driven by the linkage pieces to rotate, and adjacent LED display panels are driven by the rotating pieces to realize phase separation or conflict. The LED display screen provided by the invention can display the content of the LED display panel through the transparent glass, and meanwhile, the normal lighting requirement of the transparent glass cannot be influenced.

Description

Building wall advertisement screen

Technical Field

The invention relates to decoration technology, in particular to an advertising screen for a building wall.

Background

Today, some advertising curtains are very common on building walls as a promotion. However, the common advertisement curtain is generally painted by adopting advertisement cloth, and once the advertisement curtain needs to be replaced, the whole advertisement curtain needs to be replaced, which is relatively troublesome. Therefore, on some building walls, the LED advertising screen can appear, the content can be replaced according to the requirement at any time, and in order to prolong the service life of the advertising screen, the LED display screen can be placed indoors and displayed by combining with the glass of the building outer wall.

Utilize transparent glass's the effect of blockking to play the guard action to the LED display screen, transparent glass can not influence the normal show of LED display screen content again simultaneously, in case after so operating, transparent glass then can be sheltered from and lose its effect of printing opacity observation originally by the LED display screen.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the building wall advertisement screen which can be switched between two functions of glass light transmission and advertisement display according to actual needs.

The utility model provides a LED display screen, includes the frame, connects in the display device of frame, display device includes that the polylith arranges in proper order and rotates the LED display panel who connects in the frame, the frame is equipped with controlling means, controlling means includes and is connected and rotates the connecting in the rotation piece of frame, connect in all rotation pieces linkage piece, drive linkage piece motion and realize rotating the piece and drive rotatory driving piece by the linkage piece, and is adjacent LED display panel is rotated the piece and is driven and realize phase separation or conflict.

By adopting the technical scheme, when the LED display panels are required to display the contents of patterns or characters, the driving part is utilized to drive the linkage part to move, the linkage part can drive all the LED display panels to synchronously rotate in the moving process, when the LED display panels rotate to be abutted against the adjacent LED display panels and the surfaces of the LED display panels are parallel to the transparent glass, the contents on all the LED display panels form a whole complete pattern or character and are displayed outwards through the transparent glass, and when the glass is required to realize normal lighting, all the LED display panels synchronously rotate through the driving part, the linkage part and the rotating part and rotate to be separated from the adjacent LED display panels, so that the LED display panels are perpendicular to the transparent glass, light can be emitted into a room from the transparent glass, and the normal lighting of the whole transparent glass is not influenced, for example, the glass can be used for advertisement display of automobile rear windshields and high-rise building glass.

The invention is further configured to: the linkage part is connected to the frame in a sliding mode in the vertical direction, the linkage part is provided with a vertical driving rack, the frame is connected with a driving gear which is driven to rotate by a driving part in a rotating mode, the driving gear is meshed with the driving rack, and the driving rack moves in the vertical direction and drives the rotating part to rotate.

By adopting the technical scheme, the driving gear can drive the driving rack and the linkage piece to move along the vertical direction under the driving rotation of the driving piece, and the linkage piece drives the rotating piece to do rotating motion in the up-and-down sliding process, so that all the LED display panels synchronously rotate, the position adjustment of the LED display panels can be completed, and the display device is mutually converted between the display content and normal lighting, so that the display device is more practical.

The invention is further configured to: the outer wall of the rotating part is provided with a gear, and the linkage part is provided with a transmission rack which is vertical and meshed with the gear.

Through adopting above-mentioned technical scheme, when the linkage piece removed along vertical direction, the gear that the transmission rack will drive on every LED display panel rotated, and the gear then can drive LED display panel at the rotation in-process and do synchronous rotation, realizes being parallel or be the interconversion in the vertically two kinds of states with glass.

The invention is further configured to: the linkage piece is hinged with linkage rods which correspond to the rotating pieces one by one, and one ends, far away from the linkage piece, of the linkage rods are hinged to the edges of the rotating pieces.

By adopting the technical scheme, when the linkage piece moves along the vertical direction, the linkage rod can apply a pushing force or a pulling force to the edge of the rotating piece under the action of the linkage piece, so that the rotating piece is driven to rotate, and further the rotating motion of the LED display panel is realized.

The invention is further configured to: the frame is provided with a mounting device which is detachably connected with an external window frame.

By adopting the technical scheme, the invention can be used to different positions and occasions by depending on the mounting device, the application range of the invention is expanded, special mounting structures are not required to be specially mounted according to different window frames or transparent glass, and the disassembly and the replacement are convenient.

The invention is further configured to: the installation device is provided with two sets relatively, installation device including slide connect in the frame support the piece, rotate the screw rod of connecting in the frame, threaded connection in the screw rod and radially be fixed in the removal nut that supports the piece.

By adopting the technical scheme, the screw rod is rotated, the movable nut can drive the abutting piece to slide in the frame, so that the distance of the abutting piece protruding out of the frame is adjusted when the window frame is installed, the abutting piece can abut against the side wall of the window frame, the supporting and fixing effects of the window frame are further realized, the installation device is used for installing the window frame without manufacturing a special structure, the application range is expanded, and the window frame can be used on glass window frames needing content display.

The invention is further configured to: the mounting device comprises a plurality of suckers arranged at the edge of the frame.

Through adopting above-mentioned technical scheme, can inhale whole frame to transparent glass's inboard surface to play fixed mounting effect, conveniently dismantle the change, also enlarged its application scope, buy promptly and use.

The invention is further configured to: the screw rod is coaxially and fixedly connected with a driven bevel gear which is rotatably connected to the frame, the frame is rotatably connected with a driving bevel gear which is meshed with the driven bevel gear, and the driving bevel gear is coaxially and fixedly connected with an operating rod which penetrates through the frame.

By adopting the technical scheme, the operating rod is rotated, and the rotating motion of the operating rod around the central axis perpendicular to the surface of the frame can be transmitted to the rotating motion of the screw rod around the central axis parallel to the length direction of the LED display panel through the transmission of the driving bevel gear and the driven bevel gear, so that the adjusting operation of the LED display panel is facilitated, and the normal rotation of the LED display panel is not influenced.

The invention is further configured to: the frame includes with LED display panel one-to-one and connects in the installation piece at LED display panel both ends, connects between relative installation piece, and is adjacent the installation piece is articulated the cooperation and the pin joint of adjacent installation piece is crisscross setting.

Through adopting above-mentioned technical scheme, can fold through articulated installation piece and accomodate the great whole that the surface area occupied to reduce its volume when not using, conveniently transport.

The invention is further configured to: the frame is still including connecting between the installation piece that is closest to both ends and being parallel restriction lever with LED display panel, restriction lever one end articulates there is the dead lever, the dead lever is kept away from its articulated one end and is worn to be equipped with threaded connection in the fixing bolt of installation piece.

Through adopting above-mentioned technical scheme, after expandeing whole frame, it is parallel to rotate the dead lever to and arrange the direction of installation piece in proper order to rely on fixing bolt, thereby restrict the rotational degree of freedom of every installation piece, keep the stability of whole frame, avoid causing adjacent LED display panel's folding rotation in the use.

In conclusion, the beneficial technical effects of the invention are as follows:

all the LED display panels can be driven to rotate by the control device, so that the LED display panels can form a whole plane to play a role in displaying contents and can rotate to be separated from each other to realize the normal lighting effect of matched glass;

can utilize mutual articulated installation piece to fold whole frame and reduce its occupation volume to reduce the cost of transportation, convenient storage and transportation.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a partial sectional view of the control device according to the present embodiment;

FIG. 3 is a schematic horizontal sectional view of the present embodiment, mainly used to embody the mounting device;

FIG. 4 is an enlarged view of section I of FIG. 3, primarily for embodying the mounting apparatus;

FIG. 5 is a partial sectional view of the linkage rod and linkage member of the second embodiment;

FIG. 6 is a schematic structural diagram of the third embodiment;

FIG. 7 is a schematic structural diagram of the fourth embodiment;

FIG. 8 is a partial sectional view of the fourth embodiment, which is mainly used for embodying the inside of the frame;

fig. 9 is a sectional view of the fourth embodiment, which is mainly used to embody the sub-link.

In the figure, 1, frame; 11. mounting blocks; 12. a restraining bar; 2. a display device; 21. an LED display panel; 3. a control device; 31. a rotating member; 32. a linkage member; 321. a sub-link; 33. a drive member; 4. a drive rack; 5. a driving gear; 6. a gear; 7. a drive rack; 71. dividing the rack; 8. a linkage rod; 9. a mounting device; 91. an abutting piece; 92. a screw; 93. moving the nut; 10. a suction cup; 13. a driven bevel gear; 14. a drive bevel gear; 15. an operating lever; 16. fixing the rod; 17. fixing the bolt; 18. a rotating shaft; 19. clamping the strip; 20. a limiting groove; 22. a bearing; 23. mounting holes; 24. a connecting rod.

Detailed Description

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

The first embodiment is as follows:

referring to fig. 1, the building wall advertising screen disclosed by the invention comprises a frame 1 in a shape of a square, wherein the size of the frame 1 can be customized according to the size of a matched glass or window frame; a plurality of LED display panels 21 are sequentially arranged and rotatably connected between two vertical side walls of the frame 1 along the width direction of the frame 1, one side surface of each LED display panel 21 is composed of an LED dot matrix module and is used for displaying patterns or characters, and an integrated circuit board is further arranged on each LED display panel 21 and is used for changing the displayed content; each LED display panel 21 is in a flat cuboid shape, and the rotation point of the LED display panel 21 and the frame 1 is positioned at the center of the width direction of the LED display panel 21; in order to display contents on all the LED display panels 21 and realize normal lighting function of glass used in cooperation with the LED display panels, as shown in fig. 2, the frame 1 is provided with the control device 3, all the LED display panels 21 can be driven to rotate by the control device 3, when the contents are required to be displayed, all the display panels 21 are rotated until the surfaces of the display panels are parallel to the plane of the frame 1, all the LED display panels 21 form a whole plane, the side edges of adjacent LED display panels 21 are in contact with each other, each LED display panel 21 displays partial contents of a complete pattern or text by the arrangement of the integrated circuit board, and thus the complete contents can be displayed only when the LED display panels 21 form a whole plane; when normal lighting is needed, all the LED display panels 21 are driven by the control device 3 to rotate to the surface of the LED display panels and the plane of the frame 1 at the same time to be vertical, so that the adjacent LED display panels 21 are separated, and external light can penetrate through the gap between the adjacent LED display panels 21 to play a normal lighting role.

Referring to fig. 1 and 2, in order to synchronously adjust all the LED display panels 21, the control device 3 includes rotating members 31 corresponding to the LED display panels 21 one by one, and the plurality of rotating members 31 are rotatably connected in the frame 1 and arranged in a row; the center of the rotating member 31 is coaxially and fixedly connected with a rotating shaft 18 penetrating through the side wall of the frame 1, and one end of the rotating shaft 18 penetrating through is fixedly connected to the center of the LED display panel 21; a gear 6 is fixedly sleeved on the outer wall of the rotating member 31; a linkage piece 32 is connected to one side, where the rotating piece 31 is arranged, of the frame 1 in a sliding manner along the vertical direction, a transmission rack 7 arranged in parallel to the length direction of the linkage piece 32 is fixed to the side wall of the linkage piece 32, and the transmission rack 7 is meshed with each gear 6 from top to bottom; a driving part 33 is fixedly arranged at the upper end of the frame 1, the driving part 33 can be a driving motor, and a driving gear 5 which is rotatably connected to the frame 1 is coaxially and fixedly connected to an output shaft of the driving motor; in order to drive the linkage piece 32 to move along the vertical direction by the driving gear 5, a driving rack 4 meshed with the driving gear 5 is fixed on the side wall of the linkage piece 32 close to the upper end, and the driving rack 4 and the transmission rack 7 are integrally arranged.

Referring to fig. 3-4, in order to mount the whole frame 1 to the transparent glass or the rear windshield of the automobile, the mounting devices 9 are arranged on the frame 1, the mounting devices 9 comprise two groups and are respectively arranged on two sides of the frame 1, and the connecting line of the two groups of mounting devices 9 is parallel to the length direction of the LED display panel 21; the mounting device 9 comprises a clamping piece 91 connected to the frame 1 in a sliding manner along the length direction of the LED display panel 21, the clamping piece 91 is cylindrical, and the clamping piece 91 is embedded in a limiting groove 20 arranged in the frame 1 through a clamping strip 19 arranged on the outer wall of the clamping piece 91, so that the clamping piece 91 can only do sliding movement along the length direction of the LED display panel 21; one end of the abutting piece 91 is arranged on the side wall of the frame 1 in a penetrating way, so that when the abutting piece 91 extends out of the side wall of the frame 1 and abuts against the side wall of the window frame required to be installed, the whole frame 1 is abutted against and supported on the window frame under the action of the abutting pieces 91 opposite to the two sides; in order to drive and fix the abutting piece 91, a screw 92 is arranged on the frame 1 corresponding to the abutting piece 91, the central axial direction of the screw 92 is coaxial with the central axial direction of the abutting piece 91 and is rotatably connected to the frame 1 through a bearing 22; a movable nut 93 is sleeved outside the screw 92 and connected with the screw in a threaded manner, and the movable nut 93 is connected with the abutting piece 91 in a key connection manner in an inserting manner and is fixed in the radial direction, so that the abutting piece 91 can be driven to do sliding motion along the length direction of the LED display panel 21 by the movable nut 93 when the screw 92 is rotated; in order to drive the screw 92 more conveniently, a driven bevel gear 13 is coaxially and fixedly connected to the end of the screw 92 close to the bearing 22 through a key connection, the driven bevel gear 13 is engaged with a drive bevel gear 14 rotatably connected to the frame 1, and the drive bevel gear 14 is coaxially and fixedly connected with an operating rod 15 penetrating through the side wall of the frame 1.

The working principle of the invention is as follows: placing the whole frame 1 in a window frame to be installed, adjusting the distance between the frame 1 and the inner surface of the glass, rotating an operating rod 15, driving a screw 92 to rotate by the operating rod 15 through a driving bevel gear 14 and a driven bevel gear 13, driving a moving nut 93 to drive a propping piece 91 to move along the axial direction of the screw 92 during the rotation of the screw 92, so that the propping piece 91 extends out of the frame 1 and gradually moves outwards, the end part of the propping piece 91 can prop against the side wall of the window frame, and the whole frame 1 can prop against the inside of the window frame by the supporting action of the propping piece 91 with two opposite sides, and one side of the LED display panel 21 for displaying contents faces towards the glass; when the content needs to be displayed, the driving part 33 is started, the linkage part 32 is driven to move along the vertical direction under the action of the driving gear 5 and the driving rack 4, all the rotating parts 31 are driven to rotate through the transmission rack 7 and the gear 6 in the moving process of the linkage part 32, and the rotating parts 31 can drive the LED display panels 21 to rotate until the surfaces of the LED display panels 21 are parallel to the surface of glass in the rotating process, so that the side edges of the adjacent LED display panels 21 are abutted, and all the LED display panels 21 can form a whole plane; when normal lighting is required, all the LED display panels 21 are rotated by 90 degrees around the center of the rotating shaft 18 by the driving member 33 and the linkage member 32 until the surface of the LED display panels is perpendicular to the plane of the frame 1, so that normal lighting can be performed.

Example two:

an LED display screen is different from the first embodiment in that, referring to fig. 5, a linkage member 32 is in the shape of a rectangular rod, linkage rods 8 which are in one-to-one correspondence with rotating members 31 are hinged to the side wall of the linkage member 32, and one ends, far away from the linkage member 32, of the linkage rods 8 are hinged to the edges of the rotating members 31.

The working principle of the embodiment is as follows: when the content needs to be displayed, the driving part 33 is started, the linkage part 32 is driven to move along the vertical direction under the action of the driving gear 5 and the driving rack 4, all the rotating parts 31 are driven to rotate for a certain angle through the linkage rod 8 in the moving process of the linkage part 32, and the rotating parts 31 can drive the LED display panels 21 to rotate until the surfaces of the LED display panels 21 are parallel to the surface of glass in the rotating process, so that the side edges of the adjacent LED display panels 21 are abutted, and all the LED display panels 21 can form a whole plane; when normal lighting is needed, all the LED display panels 21 are rotated by 90 degrees around the center thereof to a position where the surface thereof is perpendicular to the plane of the frame 1 by the action of the driving member 33, the linkage member 32 and the linkage rod 8, so that normal lighting can be performed.

Example three:

an LED display screen is different from the first embodiment in that, referring to FIG. 6, a mounting device 9 comprises suction cups 10 fixedly mounted at four corners of a frame 1, and the suction cups 10 can be sucked to the surface of glass or a rear windshield of an automobile, so that the whole frame 1 can be positioned.

Example four:

an LED display screen is different from the third embodiment in that, referring to fig. 7, in order to facilitate transportation and carrying of the whole LED display screen, a frame 1 includes two limiting rods 12 which are arranged in parallel to the length direction of an LED display panel 21 and are respectively located at the upper end and the lower end, and mounting blocks 11 which are connected between two ends corresponding to the two limiting rods 12 and are in one-to-one correspondence with the LED display panel 21 and are connected with the LED display panel 21, both ends of each LED display panel 21 are connected with one mounting block 11, and the mounting blocks 11 are cuboid; be articulated cooperation between the adjacent installation piece 11, and in order to fold whole frame 1 and make every LED display panel 21 can be folded from last to down in proper order, the hinged end of adjacent installation piece 11 is crisscross setting along the width direction of frame 1.

Referring to fig. 8-9, because the adjacent mounting blocks 11 are hinged together, but when they are unfolded for use, the overall strength of the frame 1 is weakened due to the hinged arrangement, in order to improve the strength and stability of the overall frame 1, a fixing rod 16 is hinged to one end of each of the upper and lower limiting rods 12, and the hinged joints of the fixing rod 16 and the limiting rod 12 are respectively located at one side of the frame 1, so that the two fixing rods 16 respectively correspond to the mounting blocks 11 in one row, when the overall mounting blocks 11 are unfolded, the fixing rod 16 is rotated from a state parallel to the limiting rods 12 to a state perpendicular to the limiting rods 12, and a fixing bolt 17 capable of being screwed to the other limiting rod 12 is arranged at the end of the fixing rod 16 away from the hinged joint, the side wall of the fixing rod 16 is attached to the side wall of the mounting block 11, so that the mounting blocks 11 in one row are reinforced by the fixing rod 16, thereby making the entire frame 1 stable in use.

In order to realize folding and synchronously adjust and rotate all the LED display panels 21, each rotating part 31 sleeved with the gear 6 is respectively and rotatably connected into one of the mounting blocks 11; the linkage piece 32 and the transmission rack 7 are uniformly divided into a plurality of sections of sub-linkage pieces 321 and sub-racks 71 according to the length of each mounting block 11, adjacent sub-linkage pieces 321 are in hinged fit through a connecting rod 24 integrally formed at the end part, and hinged points of the adjacent sub-linkage pieces 321 are arranged in a staggered mode along the vertical direction; the hinge point of the upper and lower sub-linkage parts 321 is axially coaxial with the center of the hinge point of the corresponding mounting block 11 through the connecting rod 24 integrally formed on the sub-linkage part 321, so that when the mounting block 11 is folded, the sub-linkage part 321 and the sub-rack 71 can be folded along with the mounting block 11; in order that the linkage piece 32 can move along the vertical direction, each mounting block 11 is provided with a mounting hole 23 which is communicated up and down and through which the linkage piece 32 passes; in order to drive the whole linkage member 32, the driving member 33 is installed in the limiting rod 12, and the pinion gear 5 connected to the driving member 33 is engaged with the driving rack 7 on the side wall of the uppermost sub-linkage member 321, so that the whole linkage member 32 can move in the installation block 11 in the vertical direction by being driven by the driving member 33, thereby driving and rotating the LED display panel 21.

The working principle of the embodiment is as follows: when the whole frame 1 needs to be folded for storage or transportation, the fixing bolt 17 is loosened, the fixing rod 16 is rotated from a vertical state to be parallel to the limiting rod 12, the fixing rod 16 is fixed to the limiting rod 12 through the fixing bolt 17, each sub-linkage member 321 is just slid into the corresponding mounting block 11 through the driving member 33, a hinge point between the connecting rods 24 is overlapped with a hinge point between the mounting blocks 11, so that the sub-linkage members 321 and the sub-rack 71 can be synchronously folded when the mounting blocks 11 are folded, and after the mounting blocks 11 and the LED display panels 21 are folded, the mounting blocks 11 and the LED display panels 21 are sequentially stacked from bottom to top, so that the occupied volume of the LED display device can be reduced, the storage is convenient, and the transportation cost is reduced; and when needs expand, expand installation piece 11 and LED display panel 21 in proper order, make the terminal surface of adjacent installation piece 11 laminate mutually, and rotate dead lever 16 to it by the horizontality and be vertical, utilize fixing bolt 17 to fix dead lever 16 to the installation piece 11 lateral wall of the dead lever 16 hinged end of furthest, simultaneously, adjacent branch link 321 is laminated with the terminal surface conflict of branch rack 71, thereby constitute a whole driving rack 7, and then conveniently drive the rotation by driving rack 7 to rotating piece 31, adjust LED display panel 21's angle.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a building wall advertisement screen, includes frame (1), connects in display device (2) of frame (1), characterized by: the display device (2) comprises a plurality of LED display panels (21) which are sequentially arranged and rotationally connected to the frame (1), the frame (1) is provided with a control device (3), the control device (3) comprises rotating pieces (31) which are connected with the LED display panels (21) in a one-to-one correspondence manner and rotationally connected to the frame (1), linkage pieces (32) connected to all the rotating pieces (31), and driving pieces (33) which drive the linkage pieces (32) to move and realize that the rotating pieces (31) are driven by the linkage pieces (32) to rotate, and the adjacent LED display panels (21) are driven by the rotating pieces (31) to realize phase separation or collision; the linkage piece (32) is connected to the frame (1) in a sliding mode along the vertical direction, the linkage piece (32) is provided with a vertical driving rack (4), the frame (1) is rotatably connected with a driving gear (5) driven to rotate by a driving piece (33), the driving gear (5) is meshed with the driving rack (4), and the driving rack (4) moves along the vertical direction and drives the rotating piece (31) to rotate; a gear (6) is arranged on the outer wall of the rotating part (31), and a transmission rack (7) which is vertical and meshed with the gear (6) is arranged on the linkage part (32); the frame (1) comprises mounting blocks (11) which correspond to the LED display panels (21) one by one and are connected to two ends of the LED display panels (21), the adjacent mounting blocks (11) are in hinged fit, and hinged points of the adjacent mounting blocks (11) are arranged in a staggered mode; the frame (1) further comprises a limiting rod (12) which is connected between the mounting blocks (11) closest to the two ends and parallel to the LED display panel (21), the two ends of the limiting rod (12) are hinged with fixing rods (16), and fixing bolts (17) which are in threaded connection with the mounting blocks (11) are arranged at the ends, far away from the hinged ends, of the fixing rods (16) in a penetrating mode; each rotating part (31) sleeved with the gear (6) is respectively and rotatably connected into one of the mounting blocks (11); the linkage piece (32) and the transmission rack (7) are uniformly divided into a plurality of sections of sub-linkage pieces (321) and a plurality of sub-racks (71) according to the length of each mounting block (11), adjacent sub-linkage pieces (321) are in hinged fit through a connecting rod (24) integrally formed at the end part, and hinged joints of the adjacent sub-linkage pieces (321) are arranged in a staggered mode along the vertical direction; the hinge points of the upper and lower sub-linkage pieces (321) are axially coaxial with the center of the hinge point of the corresponding mounting block (11) through a connecting rod (24) integrally formed on the sub-linkage pieces (321); the driving part (33) is arranged in the limiting rod (12), and a driving gear (5) connected to the driving part (33) is meshed with a transmission rack (7) on the side wall of the uppermost part linkage part (321).

2. The architectural wall advertising screen of claim 1, wherein: the frame (1) is provided with a mounting device (9) detachably connected with an external window frame.

3. The architectural wall advertising screen of claim 2, wherein: installation device (9) are provided with two sets ofly relatively, installation device (9) including slide connect in support of frame (1) tight piece (91), rotate connect in screw rod (92) of frame (1), threaded connection in screw rod (92) and radially be fixed in support removal nut (93) of tight piece (91).

4. A building wall advertising screen as claimed in claim 3, wherein: the mounting device (9) comprises a plurality of suckers (10) arranged at the edge of the frame (1).

5. The architectural wall advertising screen of claim 4, wherein: the screw rod (92) is coaxially and fixedly connected with a driven bevel gear (13) which is rotatably connected to the frame (1), the frame (1) is rotatably connected with a driving bevel gear (14) which is meshed with the driven bevel gear (13), and the driving bevel gear (14) is coaxially and fixedly connected with an operating rod (15) which penetrates through the frame (1).