CN110580866A - Adjustable publicity column - Google Patents

Adjustable publicity column Download PDF

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Publication number
CN110580866A
CN110580866A CN201910954973.1A CN201910954973A CN110580866A CN 110580866 A CN110580866 A CN 110580866A CN 201910954973 A CN201910954973 A CN 201910954973A CN 110580866 A CN110580866 A CN 110580866A
Authority
CN
China
Prior art keywords
movable frame
adjustable
publicity column
backup pad
mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910954973.1A
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Chinese (zh)
Inventor
江楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North China University of Science and Technology
Original Assignee
North China University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by North China University of Science and Technology filed Critical North China University of Science and Technology
Priority to CN201910954973.1A priority Critical patent/CN110580866A/en
Publication of CN110580866A publication Critical patent/CN110580866A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Displays For Variable Information Using Movable Means (AREA)

Abstract

The utility model provides a publicity column with adjustable relates to publicity column technical field, includes: the mounting mechanism is arranged between the two stand columns, a movable frame is arranged on the outer side of the mounting mechanism, a mounting groove is formed in the movable frame, a sliding rod and a first screw rod are arranged in the mounting groove, a first sliding seat and a second sliding seat are respectively mounted on the sliding rod and the first screw rod, a connecting rod is connected between the two sliding seats, fixing mechanisms are arranged at two ends of the connecting rod, a first bevel gear is mounted at the end part of the first screw rod, a rotating hole is formed in the lower side of the movable frame, a rotating shaft is mounted in the rotating hole, a second bevel gear is fixed; elevating system includes: set up first backup pad and second backup pad on the base, all set up the mounting hole in first backup pad and the second backup pad, install the spool in the mounting hole, the spool middle part sets up the baffle, spool one end is equipped with the carousel, twines wire rope between the baffle, sets up in the fixed pulley of roof downside, and wire rope passes the fixed pulley and fixes at the adjustable frame upside.

Description

Adjustable publicity column
Technical Field
The invention belongs to the technical field of publicity columns, and particularly relates to an adjustable publicity column.
Background
Publicity columns are important tools for self-publicity of organizations or enterprise units and the like, and are often applied to public places such as streets, factories, hotels and the like; generally, stainless steel is adopted as a frame, aluminum alloy is used as a ceiling, and the propaganda picture can be opened and replaced on the panel.
In the prior art, the commonly used publicity column has a single structure, and the publicity posters are usually stuck on the publicity column by using glue or adhesive tapes, so that the publicity posters are not convenient to replace. Need tear old poster when changing, paste new propaganda poster again after clearing up the publicity column surface, troublesome poeration, paste for a long time repeatedly moreover, influence the use and pleasing to the eye of publicity column. The height of the prior publicity column is inconvenient to adjust, and inconvenience is brought to the operation of people with different heights.
disclosure of Invention
the invention aims to overcome the defects of the prior art, and provides an adjustable publicity column which is convenient for fixing and replacing a publicity poster and is convenient for adjusting the height of the publicity column according to the height of an operator.
In order to achieve the above object, the present invention provides an adjustable bulletin board, comprising:
The mounting mechanism is arranged between the two stand columns, a movable frame is arranged outside the mounting mechanism, a mounting groove is arranged inside the movable frame, a sliding rod is arranged on the upper side inside the mounting groove, two sections of first lead screws are arranged on the lower side inside the mounting groove, a first sliding seat and a second sliding seat are respectively sleeved on the sliding rod and the first lead screws, a connecting rod is connected between the two sliding seats, fixing mechanisms are arranged at the upper end and the lower end of the connecting rod, first bevel gears are respectively arranged at the mutually close ends of the two sections of first lead screws, a rotating hole is arranged in the middle of the lower side of the movable frame, a rotating shaft is arranged in the rotating hole, a second bevel gear is fixed at the upper end of the;
A lifting mechanism, the lifting mechanism comprising: set up first backup pad and second backup pad on the base, the mounting hole has all been seted up in first backup pad and the second backup pad, install the spool in the mounting hole, the spool middle part is provided with two baffles, the spool one end outside is provided with the carousel, the winding has wire rope between the baffle, sets up in the fixed pulley of roof downside, wire rope passes the fixed pulley and fixes the upside at the movable frame.
preferably, the left end and the right end of the movable frame are provided with guide plates, and the guide plates are matched with the upright posts to form sliding connection.
Preferably, the fixing mechanism includes: the movable plates are sleeved on the upper end portion and the lower end portion of the connecting rod, a second threaded hole is formed in one side of each movable plate, and a second screw rod is installed inside each second threaded hole.
Preferably, a pressing plate is arranged at one end, close to the movable frame, of the second screw rod, an anti-slip pad is arranged on one side of the pressing plate, and a second handle is arranged at one end of the outer side of the second screw rod.
Preferably, one side of the turntable is provided with a first threaded hole, a bolt is installed in the first threaded hole, and the other side of the turntable is provided with a crank.
Preferably, a clamping groove is formed in one side, close to the rotary table, of the second supporting plate, and the size of the clamping groove is matched with that of the bolt.
Preferably, the clamping grooves are arranged in a plurality and are uniformly distributed on the circumference taking the axis of the winding shaft as the center.
Preferably, the stand column is fixedly installed on two sides of the base, the stand column is fixedly connected with the top plate, and 4 universal wheels which are symmetrically arranged in pairs are installed below the base.
Preferably, the two first screw rods are respectively sleeved with a positioning plate in a rotating mode, and the positioning plates are fixedly installed on the inner wall of the bottom of the movable frame.
Preferably, bearings are arranged at the matching positions of the two ends of the first screw rod, the middle part of the rotating shaft and the rotating hole and the matching positions of the winding shaft and the mounting hole.
The adjustable publicity column provided by the invention has the beneficial effects that: the height position of the movable frame can be adjusted according to the height difference of an operator, the bolt is screwed out of the clamping groove, the winding shaft is rotated through the crank, and the steel wire rope which is connected to the upper side of the movable frame by bypassing the fixed pulley is wound or loosened to adjust the height of the movable frame. The rotating shaft and the second bevel gear can be driven to transmit through the rotation of the first handle, and the distance between the two connecting rods can be adjusted according to the width of the propaganda poster through the matching of the first screw rod and the second sliding seat. The fixed height of the propaganda poster can be adjusted through the adjustment of the four movable plates, the second handle is rotated, the four pressing plates are moved through the thread fit to fix the propaganda poster on the inner wall of the movable frame, and the installation and the replacement of the propaganda poster are facilitated.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 is a schematic diagram illustrating a front view of an adjustable bulletin board according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating a partial enlarged structure at a of an adjustable bulletin board according to an embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating a partial enlarged structure at B of an adjustable bulletin board according to an embodiment of the present invention.
fig. 4 is a schematic diagram illustrating a partial enlarged structure at C of an adjustable bulletin board according to an embodiment of the present invention.
FIG. 5 is a schematic cross-sectional side view of an adjustable billboard, in accordance with an embodiment of the invention.
FIG. 6 is a sectional side view of a movable panel of an adjustable billboard, in accordance with an embodiment of the invention.
FIG. 7 is a schematic diagram illustrating a partial enlarged view at D of an adjustable bulletin board according to an embodiment of the present invention.
Description of reference numerals:
1. A base; 2. a column; 3. a top plate; 4. a movable frame; 5. mounting grooves; 6. a slide bar; 7. a first slider; 8. a connecting rod; 9. a first lead screw; 10. a second slide carriage; 11. a movable plate; 12. a first bevel gear; 13. rotating the hole; 14. a rotating shaft; 15. a second bevel gear; 16. a first handle; 17. a first support plate; 18. a second support plate; 19. mounting holes; 20. a spool; 21. a baffle plate; 22. a wire rope; 23. a fixed pulley; 24. a turntable; 25. a first threaded hole; 26. a bolt; 27. a card slot; 28. a second threaded hole; 29. a second lead screw; 30. pressing a plate; 31. a second handle; 32. a fixing mechanism; 33. a guide plate; 34. a non-slip mat; 35. a crank; 36. and (7) positioning the plate.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides an adjustable publicity column, which comprises:
The mounting mechanism is arranged between the two stand columns, a movable frame is arranged outside the mounting mechanism, a mounting groove is arranged inside the movable frame, a sliding rod is arranged on the upper side inside the mounting groove, two sections of first lead screws are arranged on the lower side inside the mounting groove, a first sliding seat and a second sliding seat are respectively sleeved on the sliding rod and the first lead screws, a connecting rod is connected between the two sliding seats, fixing mechanisms are arranged at the upper end and the lower end of the connecting rod, first bevel gears are respectively arranged at the mutually close ends of the two sections of first lead screws, a rotating hole is arranged in the middle of the lower side of the movable frame, a rotating shaft is arranged in the rotating hole, a second bevel gear is fixed at the upper end of the;
The mounting mechanism fixes the propaganda poster in the movable frame for propaganda, the first handle is rotated to drive the rotating shaft and the second bevel gear to rotate, the second bevel gear is in matched transmission with the two first bevel gears to drive the screw rod to rotate, the screw rod drives the second sliding seat to move to adjust the width between the two connecting rods according to the width of the propaganda poster, and the propaganda poster is fixed in the mounting groove through the fixing mechanism;
A lifting mechanism, the lifting mechanism comprising: set up first backup pad and second backup pad on the base, the mounting hole has all been seted up in first backup pad and the second backup pad, install the spool in the mounting hole, the spool middle part is provided with two baffles, the spool one end outside is provided with the carousel, the winding has wire rope between the baffle, sets up in the fixed pulley of roof downside, wire rope passes the fixed pulley and fixes the upside at the movable frame.
The height of the movable frame can be adjusted through the lifting mechanism, the mounting height of the propaganda poster is adjusted according to the height of an operator, the rotary table is rotated to drive the winding shaft to rotate, the winding shaft is wound or loosened with the steel wire rope, the steel wire rope is fixed on the upper side of the movable frame through the fixed pulley, and the movable frame ascends or descends along with the winding or loosening of the steel wire rope.
Preferably, the left end and the right end of the movable frame are provided with guide plates, and the guide plates are matched with the upright posts to form sliding connection.
The cooperation of deflector and stand provides the direction for the lift of movable frame.
Preferably, the fixing mechanism includes: the movable plates are sleeved on the upper end portion and the lower end portion of the connecting rod, a second threaded hole is formed in one side of each movable plate, and a second screw rod is installed inside each second threaded hole.
Preferably, a pressing plate is arranged at one end, close to the movable frame, of the second screw rod, an anti-slip pad is arranged on one side of the pressing plate, and a second handle is arranged at one end of the outer side of the second screw rod.
The setting of second handle can make things convenient for the operator to rotate the second lead screw, makes the lead screw drive clamp plate push down the propaganda poster through screw transmission, realizes the fixed of propaganda poster.
preferably, one side of the turntable is provided with a first threaded hole, a bolt is installed in the first threaded hole, and the other side of the turntable is provided with a crank.
Preferably, a clamping groove is formed in one side, close to the rotary table, of the second supporting plate, and the size of the clamping groove is matched with that of the bolt.
The setting up of crank makes things convenient for the operator to wave the carousel and rotate and drive the spool and rotate, adjusts movable frame's height through wire rope, and the cooperation of bolt and draw-in groove can the fixed disk position, prevents that movable frame from descending because of gravity.
Preferably, the clamping grooves are arranged in a plurality and are uniformly distributed on the circumference taking the axis of the winding shaft as the center.
The arrangement of the clamping grooves can position the rotary disc at different positions, and the accuracy of height adjustment of the movable frame is improved.
Preferably, the stand column is fixedly installed on two sides of the base, the stand column is fixedly connected with the top plate, and 4 universal wheels which are symmetrically arranged in pairs are installed below the base.
The universal wheels are arranged to facilitate the movement of the publicity column, so that the publicity column can be used in different occasions and is more flexible to use.
Preferably, the two first screw rods are respectively sleeved with a positioning plate in a rotating mode, and the positioning plates are fixedly installed on the inner wall of the bottom of the movable frame.
Preferably, bearings are arranged at the matching positions of the two ends of the first screw rod, the middle part of the rotating shaft and the rotating hole and the matching positions of the winding shaft and the mounting hole.
The arrangement of the bearing can reduce the friction between the rotating parts, save labor in operation and prolong the service life.
Examples
As shown in fig. 1 to 7, the present invention provides an adjustable bulletin board, which includes:
The mounting mechanism is arranged between the two upright posts 2, a movable frame 4 is arranged outside the mounting mechanism, a mounting groove 5 is arranged inside the movable frame 4, a sliding rod 6 is arranged on the upper side inside the mounting groove 5, two sections of first screw rods 9 are arranged on the lower side inside the mounting groove 5, a first sliding seat 7 and a second sliding seat 10 are respectively sleeved on the sliding rod 6 and the first screw rods 9, a connecting rod 8 is connected between the two sliding seats, fixing mechanisms 32 are arranged at the upper end and the lower end of the connecting rod 8, first bevel gears 12 are respectively arranged at the end parts, close to each other, of the two sections of first screw rods 9, a rotating hole 13 is arranged in the middle of the lower side of the movable frame 4, a rotating shaft 14 is arranged in the rotating hole 13, a second bevel gear 15 is fixed at the upper end of;
a lifting mechanism, the lifting mechanism comprising: set up first backup pad 17 and second backup pad 18 on base 1, mounting hole 19 has all been seted up on first backup pad 17 and the second backup pad 18, install spool 20 in the mounting hole 19, spool 20 middle part is provided with two baffles 21, the 20 one end outsides of spool are provided with carousel 24, the winding has wire rope 22 between the baffle 21, sets up in the fixed pulley 23 of roof 3 downside, wire rope 22 passes fixed pulley 23 and fixes the upside at movable frame 4.
In this embodiment, the left and right ends of the movable frame 4 are provided with guide plates 33, and the guide plates 33 are matched with the upright posts 2 to form a sliding connection.
In the present embodiment, the fixing mechanism 32 includes: the movable plate 11 is sleeved on the upper end and the lower end of the connecting rod 8, a second threaded hole 28 is formed in one side of the movable plate 11, and a second screw 29 is installed inside the second threaded hole 28.
In this embodiment, a pressing plate 30 is disposed at one end of the second lead screw 29 close to the movable frame 4, a non-slip pad 34 is disposed at one side of the pressing plate 30, and a second handle 31 is disposed at one end of the outer side of the second lead screw 29.
In this embodiment, one side of the rotary plate 24 is provided with a first threaded hole 25, a bolt 26 is installed in the first threaded hole 25, and the other side of the rotary plate 24 is provided with a crank 35.
In this embodiment, a side of the second support plate 18 close to the rotary plate 24 is provided with a locking groove 27, and the locking groove 27 is matched with the bolt 26 in size.
In this embodiment, the plurality of the locking grooves 27 are provided, and the locking grooves 27 are uniformly distributed on the circumference centering on the axis of the spool 20.
In this embodiment, 2 fixed mounting of stand are in the both sides of base 1, 2 stand and roof 3 fixed connection, 4 universal wheels that two bisymmetry settings were installed to base 1 below.
In this embodiment, the two first lead screws 9 are rotatably sleeved with positioning plates 36, and the positioning plates 36 are fixedly mounted on the inner wall of the bottom of the movable frame 4.
In this embodiment, bearings are disposed at the two ends of the first lead screw 9, the middle of the rotating shaft 14 and the rotating hole, and the spool 20 and the mounting hole 19.
In summary, when the adjustable billboard provided by the invention is used, the height position of the movable frame 4 is adjusted according to different heights of operators, the bolt 26 is screwed out of the clamping groove 27, the fixing of the rotary table 24 is released, the crank 35 is rotated clockwise, the rotary table 24, the winding shaft 20 and the two baffles 21 are driven to rotate by the crank 35, the steel wire rope 22 gradually winds out of the winding shaft 20, the movable frame 4 slides downwards under the action of gravity through the matching of the two guide plates 33 and the upright post 2, and the upright post 2 plays a role in guiding the sliding of the movable frame 4. In a similar way, anticlockwise rotation crank, wire rope 22 winds into on the spool 20 gradually, and under the effect of fixed pulley 23, wire rope 22 pulling movable frame 4 risees, utilizes two baffles 21 to block isolation wire rope 22, avoids wire rope 22 to twine too in a jumble. After the movable frame 4 is adjusted to a proper position, the crank 35 is kept still, the bolts 26 are screwed into the corresponding slots 27, the rotary table 24 is fixed, and the height position of the movable plate 4 is further fixed.
according to the width of propaganda poster, adjust the distance between two connecting rods 8, rotate first handle 16, first handle 16 drives pivot 14 and second bevel gear 15 and rotates, second bevel gear 15 drives two first bevel gear 12 and two first lead screw 9 rotations with the cooperation of first bevel gear 12, cooperation through first lead screw 9 and second slide 10, drive two second slides 10 and corresponding connecting rod 8 and remove, two connecting rods 8 drive corresponding first slide 7 and slide on slide bar 6, and then adjust connecting rod 8 to suitable position. Place the propaganda poster between two connecting rods 8 and movable frame 4, again according to the position of propaganda poster, adjust the height and the position of four fly leafs 11, move four fly leafs 11 to the four corners position of propaganda poster in proper order, clockwise rotation second handle 31, second handle 31 drives second lead screw 29 and rotates, drive clamp plate 30 through screw-thread fit and move to movable frame 4 inner wall, utilize the slipmat 34 and the contact of propaganda poster of four clamp plate 30 front ends, thereby fix the propaganda poster in mounting groove 5. Through adjusting the distance between two connecting rods 8 and adjusting the position of four fly leaf 11, can compress tightly different size propaganda poster and fix in mounting groove 5, the suitability is high. The use height of activity frame 4 and propaganda poster can be adjusted through crank 35 once more to the propaganda poster after fixed according to required propaganda height, uses in a flexible way. When changing the propaganda poster, only need four second handles 31 of anticlockwise rotation in proper order, can remove the fixed to the propaganda poster, take out the propaganda poster, put into newly-obtained propaganda poster and compress tightly again fixedly can realize the change to the propaganda poster, replaced and used sticky tape or glue to the pasting of propaganda poster, improve change efficiency, avoid glue or sticky tape image publicity column pleasing to the eye.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. an adjustable publicity column, which is characterized in that the publicity column comprises:
The mounting mechanism is arranged between two stand columns (2), a movable frame (4) is arranged outside the mounting mechanism, a mounting groove (5) is arranged inside the movable frame (4), a sliding rod (6) is arranged on the upper side inside the mounting groove (5), two sections of first lead screws (9) are arranged on the lower side inside the mounting groove (5), a first sliding seat (7) and a second sliding seat (10) are respectively sleeved on the sliding rod (6) and the first lead screws (9), a connecting rod (8) is connected between the two sliding seats, fixing mechanisms (32) are respectively arranged at the upper end and the lower end of the connecting rod (8), first bevel gears (12) are respectively arranged at the end parts, close to each other, of the two sections of first lead screws (9), a rotating hole (13) is arranged in the middle of the lower side of the movable frame (4), and a rotating shaft (14), a second bevel gear (15) is fixed at the upper end of the rotating shaft (14), and a first handle (16) is installed at the lower end of the rotating shaft (14);
A lifting mechanism, the lifting mechanism comprising: set up first backup pad (17) and second backup pad (18) on base (1), mounting hole (19) have all been seted up on first backup pad (17) and second backup pad (18), install spool (20) in mounting hole (19), spool (20) middle part is provided with two baffle (21), spool (20) one end outside is provided with carousel (24), the winding has wire rope (22) between baffle (21), sets up in fixed pulley (23) of roof (3) downside, wire rope (22) pass fixed pulley (23) and fix the upside at movable frame (4).
2. the adjustable publicity column as claimed in claim 1, wherein the left and right ends of the movable frame (4) are provided with guide plates (33), and the guide plates (33) are matched with the upright posts (2) to form a sliding connection.
3. The adjustable billboard of claim 1, wherein the securing mechanism (32) comprises: the movable plates (11) are sleeved on the upper end portion and the lower end portion of the connecting rod (8), one side of each movable plate (11) is provided with a second threaded hole (28), and a second screw rod (29) is mounted inside each second threaded hole (28).
4. The adjustable publicity column as claimed in claim 3, wherein a pressing plate (30) is provided at one end of the second screw rod (29) close to the movable frame (4), a non-slip mat (34) is provided at one side of the pressing plate (30), and a second handle (31) is provided at one end of the outer side of the second screw rod (29).
5. The adjustable publicity column as claimed in claim 1, wherein one side of the rotary plate (24) is provided with a first threaded hole (25), a bolt (26) is installed in the first threaded hole (25), and the other side of the rotary plate (24) is provided with a crank (35).
6. The adjustable publicity column as claimed in claim 1, wherein a slot (27) is provided on the side of the second supporting plate (18) close to the turntable (24), and the slot (27) is sized to fit the bolt (26).
7. The adjustable billboard as claimed in claim 6, wherein a plurality of said slots (27) are provided, said slots (27) being evenly distributed around a circumference centred on the axis of the spool (20).
8. The adjustable publicity column as claimed in claim 1, wherein the upright column (2) is fixedly mounted on both sides of the base (1), the upright column (2) is fixedly connected with the top plate (3), and 4 universal wheels are mounted below the base (1) in pairwise symmetry.
9. The adjustable publicity column as claimed in claim 1, wherein the two first lead screws (9) are rotatably sleeved with positioning plates (36), and the positioning plates (36) are fixedly mounted on the inner wall of the bottom of the movable frame (4).
10. the adjustable publicity column as claimed in claim 1, wherein the bearings are provided at the two ends of the first screw rod (9), the fitting position of the middle part of the rotating shaft (14) and the rotating hole, and the fitting position of the winding shaft (20) and the mounting hole (19).
CN201910954973.1A 2019-10-09 2019-10-09 Adjustable publicity column Pending CN110580866A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910954973.1A CN110580866A (en) 2019-10-09 2019-10-09 Adjustable publicity column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910954973.1A CN110580866A (en) 2019-10-09 2019-10-09 Adjustable publicity column

Publications (1)

Publication Number Publication Date
CN110580866A true CN110580866A (en) 2019-12-17

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Application Number Title Priority Date Filing Date
CN201910954973.1A Pending CN110580866A (en) 2019-10-09 2019-10-09 Adjustable publicity column

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CN114387898A (en) * 2021-12-21 2022-04-22 浙江优奕文化传媒有限公司 Culture media propaganda device based on internet

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CN207883263U (en) * 2018-03-04 2018-09-18 温州林信科技有限公司 A kind of law publicity exhibition board
CN208400422U (en) * 2018-07-05 2019-01-18 深圳国冶星光电科技股份有限公司 A kind of mounting bracket of LED charactrons
CN109360509A (en) * 2018-10-22 2019-02-19 荆楚理工学院 A kind of Multifunctional visual sense reception and registration display platform
CN209029061U (en) * 2018-12-25 2019-06-25 北京众智人人信息科技有限责任公司 A kind of big data reference device for displaying information
CN209133181U (en) * 2019-01-14 2019-07-19 河南工业职业技术学院 A kind of ideological and political education propaganda board

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US20040194361A1 (en) * 2003-04-02 2004-10-07 Christopher Furlan Up-and-down display sign
KR20140080397A (en) * 2012-12-20 2014-06-30 김봉한 placard mounting unit
US20150181729A1 (en) * 2013-12-19 2015-06-25 Peerless Industries, Inc. Mounting fixture for a digital menu board
CN204965994U (en) * 2015-08-06 2016-01-13 晶龙实业集团有限公司 Can adjust panel of stent width wantonly
CN206194319U (en) * 2016-11-25 2017-05-24 广东技术师范学院 Device convenient to installation and dismantlement LED bill -board
CN206711434U (en) * 2017-02-07 2017-12-05 郭木琴 A kind of philosophy propaganda board
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114387898A (en) * 2021-12-21 2022-04-22 浙江优奕文化传媒有限公司 Culture media propaganda device based on internet

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Application publication date: 20191217