CN111081172A - Anti-toppling outdoor display board and using method thereof - Google Patents
Anti-toppling outdoor display board and using method thereof Download PDFInfo
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- CN111081172A CN111081172A CN201911409334.3A CN201911409334A CN111081172A CN 111081172 A CN111081172 A CN 111081172A CN 201911409334 A CN201911409334 A CN 201911409334A CN 111081172 A CN111081172 A CN 111081172A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0006—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/0087—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like including movable parts, e.g. movable by the wind
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses an anti-falling outdoor display board and a using method thereof, belonging to the field of display equipment, the anti-falling outdoor display board comprises a first support column, a second support column is inserted in the first support column, the second support column penetrates through the side wall of the upper end of the first support column and extends to the outside, the first support column and the second support column are both of hollow structures, the upper end of the second support column is fixedly connected with a display board frame, the display board frame can reduce the gravity center of the display board to improve the stability of the display board and prevent the display board from being blown down by wind, fan blades are rotated by the blowing force of the wind, the fan blades drive a winding drum to wind a pulling rope through a driving shaft, the second support column retracts into the second support column, thereby reducing the gravity center of the display board and improving the stability, when the wind stops, the elasticity of a compression spring can bounce the second support column to avoid influencing the display effect, in addition, a plurality of support rods are utilized to assist in stabilizing the first support column, the stability of the first strut is improved.
Description
Technical Field
The invention relates to the field of display equipment, in particular to an anti-toppling outdoor display board and a using method thereof.
Background
The user can always see that attractive propaganda and display boards are placed in markets, enterprises, factories, hospitals, schools, communities and the like. The display boards have the advertising characters which are durable for people to find the taste, vivid product photos, colorful and bright patterns, and also have the creative composition and arrangement. The excellent display board design is an important carrier for attracting audiences, promoting products and promoting consumption. The public welfare display board can also give people a deep feeling. The good display board design can directly promote the product, so as to arouse the purchasing desire of the consumer and improve the sales volume; the display boards of enterprises, factories, hospitals, school districts and the like can create a good harmonious atmosphere and play a role in propaganda.
The display board has indoor usefulness also has outdoor usefulness, and the display board structure of outdoor usefulness at present is also all simple, because highly higher, the quality is lighter, is blown down very easily when windy, though can not cause big damage to the display board, influences the function of normal show, and the back and forth holds up also troublesome moreover.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide an anti-falling outdoor display board and a using method thereof, which can realize the reduction of the gravity center of the display board so as to improve the stability of the display board and prevent the display board from being blown down by wind, the fan blades are rotated by the blowing power of the wind, the fan blades drive a winding drum to wind a pull rope through a driving shaft, a second support is retracted into the second support, so that the gravity center of the display board is reduced, the stability is improved, when the wind stops, the elastic force of a compression spring can bounce the second support upwards so as to avoid influencing the display effect, in addition, a plurality of support rods are used for assisting in stabilizing the first support, and the stability of the first support is improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An anti-toppling outdoor display board comprises a first support column, wherein a second support column is inserted into the first support column, the second support column penetrates through the upper end side wall of the first support column and extends to the outside, the first support column and the second support column are both of a hollow structure, a display board frame is fixedly connected to the upper end of the second support column, two compression springs are fixedly connected between the lower end side wall of the second support column and the lower end inner wall of the first support column, the side walls on the two sides of the upper end of the second support column are rotatably connected with driving shafts which are transversely arranged, the driving shafts penetrate through the second support column, the two driving shafts are arranged below the display board frame, one ends of the two driving shafts, far away from the second support column, are fixedly connected with fan blades, one end of each driving shaft, located inside the second support column, is fixedly connected with a winding drum, pull ropes are wound on the winding drum, and one ends of the two pull ropes, far away from the winding drum, penetrate through the, the lateral wall cover of first pillar is equipped with the lantern ring, a plurality of mounting grooves that set up are encircleed to the lower extreme lateral wall of the lantern ring, and the lateral wall of every mounting groove rotates and is connected with the bracing piece, every the one end that the lantern ring was kept away from to the bracing piece all rotates and is connected with the lower margin, a lateral wall of the lantern ring is inserted and is equipped with first fastening bolt, and first fastening bolt and lantern ring threaded connection.
Further, two fixed blocks of the upper end fixedly connected with of first pillar, and two fixed blocks are located the both sides setting of second pillar respectively, two all insert on the fixed block and be equipped with second fastening bolt, and the lateral wall of second pillar set up with second fastening bolt threaded connection's screw hole, when the display board does not use in the first pillar of second pillar, and in screwing up the screw hole to second fastening bolt, realize the fixed to the second pillar.
Further, smooth chamber has all been seted up to the both sides inner wall of first pillar, the equal fixedly connected with of both sides lateral wall of second pillar transversely sets up's branch, and rotate on the branch and be connected with smooth chamber sliding connection's pulley, when the second pillar reciprocated in first pillar, the pulley slided in smooth chamber, can prevent the skew that the second pillar removed like this, but also can reduce frictional force and make its smooth and easy removal.
Further, the bracing piece is close to the lateral wall fixedly connected with connecting rod of lower margin, a plurality of recesses that set up of encircleing are seted up to the lower extreme lateral wall of first pillar, and all inlay in every recess and be equipped with the magnet piece, in order to prevent that the bracing piece from rocking in disorder, consequently hold with the magnet piece.
Further, the connecting rod is inserted and is located the recess in setting, and the connecting rod is the iron plate, and the connecting rod of iron can be adsorbed by the magnet piece and live.
Further, a plurality of sawtooth of lower extreme fixedly connected with of lower margin, the sawtooth can increase the area of contact on lower margin and ground to increase frictional force prevents that the lower margin from sideslipping.
Furthermore, the inner wall of the second support column is embedded with a rotating bearing, the driving shaft is fixedly connected with an inner ring of the rotating bearing, and the rotating bearing can also support the driving shaft on the premise of not influencing the rotation of the driving shaft.
Further, the lower extreme fixedly connected with base of first pillar, and the diameter of base is greater than the diameter of first pillar, and the base increases the area of contact of first pillar and ground, improves stability.
Furthermore, the internal diameter of the lantern ring is slightly greater than the external diameter of first pillar, and the lantern ring can slide from top to bottom along the outside of first pillar, conveniently adjusts the inclination of bracing piece.
A use method of an anti-toppling outdoor display board comprises the following steps:
s1, attaching the display poster to the display board frame, and placing the first support column at the appointed display position;
s2, rotating the supporting rod to separate the connecting rod from the magnet block, loosening the first fastening bolt, enabling the lantern ring to slide downwards on the first support, rotating the supporting rod to a proper inclined position, enabling the ground feet to be in contact with the ground, and then tightening the first fastening bolt to achieve the purpose of stabilizing the first support;
s3, the second fastening bolt is screwed out of the threaded hole, the second support column extends out of the first support column under the action of the elastic force of the compression spring, when wind blows, the fan blades rotate, the driving shaft drives the winding drum to wind the pull rope, and the second support column retracts into the first support column under the action of the pull rope, so that the gravity center is lowered, the stability is improved, and the display board frame is prevented from being blown down.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can realize reducing the focus of show tablet, with the stability that improves the show tablet, prevent to be blown down by wind, utilize the power that blows of wind to make the flabellum rotate, the flabellum passes through the driving shaft and drives the reel and twine the stay cord, in the second pillar indentation second pillar, thereby reduce the focus of show tablet, the stability has been improved, and when wind stops, compression spring's elasticity goes the second pillar bullet again, in order not to influence the bandwagon effect, still utilize a plurality of bracing pieces to assist firm first pillar in addition, improve the stability of first pillar.
(2) Two fixed blocks of the upper end fixedly connected with of first pillar, and two fixed blocks are located the both sides setting of second pillar respectively, all insert on two fixed blocks and are equipped with second fastening bolt, and the lateral wall of second pillar set up with second fastening bolt threaded connection's screw hole, when the show tablet does not use in the first pillar of second pillar indentation to in the screw hole is screwed up to second fastening bolt, realize the fixed to the second pillar.
(3) Smooth chamber has all been seted up to the both sides inner wall of first pillar, and the equal fixedly connected with of both sides lateral wall of second pillar transversely sets up's branch, and rotate on the branch be connected with smooth chamber sliding connection's pulley, when the second pillar reciprocated in first pillar, the pulley slided in smooth chamber, can prevent the skew that the second pillar removed like this, but also can reduce frictional force and make its smooth and easy removal.
(4) The bracing piece is close to the lateral wall fixedly connected with connecting rod of lower margin, and a plurality of recesses that set up of encircleing are seted up to the lower extreme lateral wall of first pillar, and all inlays in every recess and be equipped with the magnet piece, in order to prevent that the bracing piece from rocking in disorder, consequently holds with the magnet piece.
(5) The connecting rod is inserted and is located the setting in the recess, and the connecting rod is the iron piece, and the connecting rod of iron can be adsorbed by the magnet piece and live.
(6) The lower extreme fixedly connected with of lower margin a plurality of sawtooth, the sawtooth can increase the area of contact on lower margin and ground to increase frictional force prevents that the lower margin from sideslipping.
(7) The inner wall of the second support column is embedded with a rotating bearing, the driving shaft is fixedly connected with the inner ring of the rotating bearing, and the rotating bearing can also support the driving shaft on the premise of not influencing the rotation of the driving shaft.
(8) The lower extreme fixedly connected with base of first pillar, and the diameter of base is greater than the diameter of first pillar, and the base increases the area of contact on first pillar and ground, improves stability.
(9) The internal diameter of the lantern ring is slightly greater than the external diameter of first pillar, and the lantern ring can slide from top to bottom along the outside of first pillar, conveniently adjusts the inclination of bracing piece.
Drawings
FIG. 1 is a schematic view of a first state structure of the present invention;
FIG. 2 is a structural diagram illustrating a second state of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is a schematic view of the structure at A in FIG. 4;
FIG. 6 is a schematic view of the structure at B in FIG. 4;
FIG. 7 is a schematic view of the structure at C in FIG. 4;
FIG. 8 is a schematic view of the structure of FIG. 3 at D;
fig. 9 is a schematic cross-sectional view of the fixing block according to the present invention.
The reference numbers in the figures illustrate:
the display board comprises a first support 1, a second support 2, a display board frame 3, a compression spring 4, a driving shaft 5, fan blades 6, a winding drum 7, a pulling rope 8, a lantern ring 9, a mounting groove 10, a supporting rod 11, a ground foot 12, a first fastening bolt 13, a sliding cavity 14, a supporting rod 15, a pulley 16, a connecting rod 17, a magnet block 18, a sawtooth 19, a rotating bearing 20, a fixing block 21, a second fastening bolt 22, a threaded hole 23 and a base 24.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-9, an anti-toppling outdoor display board comprises a first support column 1 and referring to fig. 1-2, wherein a second support column 2 is inserted into the first support column 1, the lower end of the first support column 1 is fixedly connected with a base 24, the diameter of the base 24 is larger than that of the first support column 1, the base 24 increases the contact area between the first support column 1 and the ground, so as to improve the stability, the second support column 2 penetrates through the side wall of the upper end of the first support column 1 and extends to the outside, the upper end of the first support column 1 is fixedly connected with two fixing blocks 21, the two fixing blocks 21 are respectively arranged at two sides of the second support column 2, a second fastening bolt 22 is inserted on each fixing block 21, the side wall of the second support column 2 is provided with a threaded hole 23 in threaded connection with the second fastening bolt 22, when the display board is not used, the second support column 2 is retracted into the first support column 1, the second fastening bolt 22 is screwed in the threaded hole 23, so that the second support column 2 is fixed;
referring to fig. 4-5, the first pillar 1 and the second pillar 2 are both hollow structures, the inner walls of both sides of the first pillar 1 are both provided with a sliding cavity 14, the side walls of both sides of the second pillar 2 are both fixedly connected with a support rod 15 transversely arranged, and the support rod 15 is rotatably connected with a pulley 16 slidably connected with the sliding cavity 14, when the second pillar 2 moves up and down in the first pillar 1, the pulley 16 slides in the sliding cavity 14, so that the second pillar 2 can be prevented from moving and can reduce friction force to enable the second pillar to move smoothly, the upper end of the second pillar 2 is fixedly connected with a display board frame 3, two compression springs 4 are fixedly connected between the side wall of the lower end of the second pillar 2 and the inner wall of the lower end of the first pillar 1, the side walls of both sides of the upper end of the second pillar 2 are rotatably connected with a driving shaft 5 transversely arranged, and the driving shaft 5 penetrates through the second pillar 2, the inner wall of the second support column 2 is embedded with a rotating bearing 20, the driving shafts 5 are fixedly connected with the inner rings of the rotating bearing 20, the rotating bearing 20 can also support the driving shafts 5 on the premise of not influencing the rotation of the driving shafts 5, the two driving shafts 5 are arranged below the display board frame 3, one ends of the two driving shafts 5, far away from the second support column 2, are fixedly connected with fan blades 6, one ends of the driving shafts 5, located inside the second support column 2, are fixedly connected with a winding drum 7, pull ropes 8 are wound on the winding drum 7, and one ends, far away from the winding drum 7, of the two pull ropes 8 penetrate through the lower end of the second support column 2 and are fixedly connected with the inner wall of the lower end of the first;
referring to fig. 3 and 7-9, a sleeve ring 9 is sleeved on an outer side wall of a first support 1, an inner diameter of the sleeve ring 9 is slightly larger than an outer diameter of the first support 1, the sleeve ring 9 can slide up and down along an outer portion of the first support 1 to facilitate adjustment of an inclination angle of a support rod 11, a plurality of mounting grooves 10 are formed in a side wall of a lower end of the sleeve ring 9, the side wall of each mounting groove 10 is rotatably connected with the support rod 11, a connecting rod 17 is fixedly connected to a side wall of the support rod 11 close to a ground leg 12, the connecting rod 17 is inserted into a groove, the connecting rod 17 is an iron block, the iron connecting rod 17 can be adsorbed by a magnet block 18, a plurality of grooves are formed in a surrounding manner in a side wall of a lower end of the first support 1, a magnet block 18 is embedded in each groove, in order to prevent the support rod 11 from shaking in disorder and therefore the, the lower extreme fixedly connected with of lower margin 12 has a plurality of sawtooth 19, and sawtooth 19 can increase the area of contact of lower margin 12 and ground to increase frictional force prevents that lower margin 12 from sideslipping, and one side lateral wall of lantern ring 9 is inserted and is equipped with first fastening bolt 13, and first fastening bolt 13 and lantern ring 9 threaded connection.
A use method of an anti-toppling outdoor display board comprises the following steps:
s1, pasting the display poster on the display board frame 3, and placing the first support 1 on the appointed display position;
s2, rotating the support rod 11 to separate the connecting rod 17 from the magnet block 18, then loosening the first fastening bolt 13, sliding the lantern ring 9 downwards on the first pillar 1, rotating the support rod 11 to a proper inclined position, enabling the ground foot 12 to be in contact with the ground, and then screwing the first fastening bolt 13 to realize the stabilization of the first pillar 1;
s3, the second fastening bolt 22 is screwed out of the threaded hole 23, the second support 2 extends out of the first support 1 under the action of the elastic force of the compression spring 4, when wind blows, the fan blade 6 rotates, the driving shaft 5 drives the winding drum 7 to wind the pull rope 8, and the second support 2 retracts into the first support 1 under the action of the pull rope 8, so that the gravity center is lowered, the stability is improved, and the display board frame 3 is prevented from being blown down.
When the device is used, a display poster is attached to a display poster frame 3, a first support 1 is placed at a designated display position, a support rod 11 is rotated to separate a connecting rod 17 from a magnet block 18, a first fastening bolt 13 is unscrewed, a sleeve ring 9 slides downwards on the first support 1, the support rod 11 is rotated to a proper inclined position, a ground foot 12 is contacted with the ground, the first fastening bolt 13 is screwed down to realize the stabilization of the first support 1, a second fastening bolt 22 is screwed out from a threaded hole 23, a second support 2 extends out of the first support 1 under the elastic force of a compression spring 4, when wind blows, a fan blade 6 rotates, a driving shaft 5 drives a winding drum 7 to wind a pull rope 8, the second support 2 retracts into the first support 1 under the acting force of the pull rope 8 to reduce the gravity center and improve the stability, and prevent the display poster frame 3 from being blown down, when no wind exists, the elastic force of the compression spring 4 enables the second support 2 to rebound upwards so as to avoid influencing the display effect of the display board frame 3. It can realize reducing the focus of show tablet, with the stability that improves the show tablet, prevent to be blown down by wind, utilize the power that blows of wind to make the flabellum rotate, the flabellum passes through the driving shaft and drives the reel and twine the stay cord, in the second pillar indentation second pillar, thereby reduce the focus of show tablet, the stability has been improved, and when wind stopped, compression spring's elasticity goes the second pillar bullet again, in order to avoid influencing the bandwagon effect, still utilize a plurality of bracing pieces to assist firm first pillar in addition, improve the stability of first pillar.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. An anti-tipping outdoor display board, comprising a first pillar (1), characterized in that: the improved mahjong machine is characterized in that a second support column (2) is inserted into the first support column (1), the second support column (2) penetrates through the upper end side wall of the first support column (1) and extends to the outside, the first support column (1) and the second support column (2) are both of a hollow structure, the upper end of the second support column (2) is fixedly connected with a signboard shelf (3), two compression springs (4) are fixedly connected between the lower end side wall of the second support column (2) and the lower end inner wall of the first support column (1), both side walls of the upper end of the second support column (2) are rotatably connected with driving shafts (5) which are transversely arranged, the driving shafts (5) penetrate through the second support column (2), the two driving shafts (5) are arranged below the signboard shelf (3), and one ends of the two driving shafts (5) far away from the second support column (2) are fixedly connected with fan blades (6), be located inside second pillar (2) drive shaft (5) one end fixedly connected with reel (7), and the winding has stay cord (8), two on reel (7) the one end that reel (7) were kept away from in stay cord (8) all runs through the lower extreme of second pillar (2) and with the lower extreme inner wall fixed connection of first pillar (1), the lateral wall cover of first pillar (1) is equipped with the lantern ring (9), a plurality of mounting grooves (10) that set up are seted up around to the lower extreme lateral wall of the lantern ring (9), and the lateral wall of every mounting groove (10) rotates and is connected with bracing piece (11), every the one end that the lantern ring (9) was kept away from in bracing piece (11) all rotates and is connected with lower margin (12), one side lateral wall of the lantern ring (9) is inserted and is equipped with first fastening bolt (13), and first fastening bolt (13) and lantern ring (9) threaded connection.
2. An anti-tipping outdoor display board according to claim 1, wherein: two fixed blocks (21) of the upper end fixedly connected with of first pillar (1), and two fixed blocks (21) are located the both sides setting of second pillar (2) respectively, two all insert on fixed block (21) and be equipped with second fastening bolt (22), and threaded hole (23) with second fastening bolt (22) threaded connection are seted up to the lateral wall of second pillar (2).
3. An anti-tipping outdoor display board according to claim 1, wherein: smooth chamber (14) have all been seted up to the both sides inner wall of first pillar (1), the equal fixedly connected with of both sides lateral wall of second pillar (2) branch (15) of horizontal setting, and rotate on branch (15) and be connected with smooth chamber (14) sliding connection's pulley (16).
4. An anti-tipping outdoor display board according to claim 1, wherein: the utility model discloses a bracing piece, including bracing piece (11), bracing piece, lower extreme lateral wall, a plurality of recesses that encircle the setting are seted up to lateral wall fixedly connected with connecting rod (17) that bracing piece (11) are close to lower margin (12), and all inlay in every recess and be equipped with magnet piece (18).
5. An anti-tipping outdoor display board according to claim 4, wherein: the connecting rod (17) is inserted into the groove and arranged, and the connecting rod (17) is an iron block.
6. An anti-tipping outdoor display board according to claim 1, wherein: the lower end of the ground pin (12) is fixedly connected with a plurality of saw teeth (19).
7. An anti-tipping outdoor display board according to claim 1, wherein: and a rotating bearing (20) is embedded in the inner wall of the second support column (2), and the driving shaft (5) is fixedly connected with the inner ring of the rotating bearing (20).
8. An anti-tipping outdoor display board according to claim 1, wherein: the lower end of the first support column (1) is fixedly connected with a base (24), and the diameter of the base (24) is larger than that of the first support column (1).
9. An anti-tipping outdoor display board according to claim 1, wherein: the inner diameter of the collar (9) is slightly larger than the outer diameter of the first strut (1).
10. A method of using an anti-tipping outdoor display board according to any one of claims 1 to 9, wherein: the method comprises the following steps:
s1, attaching the display poster to the display board frame (3), and placing the first support column (1) at a designated display position;
s2, rotating the support rod (11) to separate the connecting rod (17) from the magnet block (18), then unscrewing the first fastening bolt (13), sliding the lantern ring (9) downwards on the first support column (1), rotating the support rod (11) to a proper inclined position, enabling the ground foot (12) to be in contact with the ground, and then screwing the first fastening bolt (13) to realize the stabilization of the first support column (1);
s3, the second fastening bolt (22) is screwed out of the threaded hole (23), under the action of the elastic force of the compression spring (4), the second support column (2) extends out of the first support column (1), when wind blows, the fan blades (6) rotate, the driving shaft (5) drives the winding drum (7) to wind the pull rope (8), the second support column (2) retracts into the first support column (1) under the action of the pull rope (8), the gravity center is lowered, the stability is improved, and the display board frame (3) is prevented from being blown down.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409334.3A CN111081172B (en) | 2019-12-31 | 2019-12-31 | Anti-toppling outdoor display board and using method thereof |
| PCT/CN2020/116047 WO2021135400A1 (en) | 2019-12-31 | 2020-09-18 | Anti-toppling outdoor display board and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911409334.3A CN111081172B (en) | 2019-12-31 | 2019-12-31 | Anti-toppling outdoor display board and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111081172A true CN111081172A (en) | 2020-04-28 |
| CN111081172B CN111081172B (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911409334.3A Active CN111081172B (en) | 2019-12-31 | 2019-12-31 | Anti-toppling outdoor display board and using method thereof |
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| CN (1) | CN111081172B (en) |
| WO (1) | WO2021135400A1 (en) |
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| Publication number | Publication date |
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| WO2021135400A1 (en) | 2021-07-08 |
| CN111081172B (en) | 2021-12-03 |
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