CN108230898A - A kind of windproof advertising board - Google Patents
A kind of windproof advertising board Download PDFInfo
- Publication number
- CN108230898A CN108230898A CN201810055831.7A CN201810055831A CN108230898A CN 108230898 A CN108230898 A CN 108230898A CN 201810055831 A CN201810055831 A CN 201810055831A CN 108230898 A CN108230898 A CN 108230898A
- Authority
- CN
- China
- Prior art keywords
- block
- spin
- plate face
- component
- connecting rod
- 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.)
- Granted
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F7/22—Means for attaching signs, plates, panels, or boards to a supporting structure for rotatably or swingably mounting, e.g. for boards adapted to be rotated by the wind
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F2007/1804—Means for attaching signs, plates, panels, or boards to a supporting structure for fastening to a post
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Pivots And Pivotal Connections (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a kind of windproof advertising boards, and including plate face component, torsion component and base assembly, the plate face component includes plate face and shaft, and the shaft is set to the lower edge of plate face, and deviates centrally disposed；Component is rotatable is connected in the shaft of the plate face component for the torsion, and the torsion component includes torsionspring, and described torsionspring one end is fixedly connected with the shaft, and the other end is fixedly installed, and makes the plate face component that can return to original position after deflection；The base assembly is fixedly connected on the lower end of the torsion component, supports the plate face component and torsion component.The advantage of the invention is that：By the eccentric setting of plate face shaft, billboard is enable to be deflected automatically by during wind, reduce front face area, billboard is made to be not easy to be blown down；The weight of pedestal is reduced, higher anti-down effect is maintained to, and billboard is enable to return to original position, ensure that the advertising results of billboard, there is good market application foreground.
Description
Technical field
The present invention relates to a kind of billboard, especially a kind of windproof advertising board.
Background technology
In modern society, the part during advertisement has become for people's lives, by various media and in a manner of appear in people
In face of, outdoor advertising is exactly one of which.Outdoor advertising includes the advertisement being arranged on building and is erected at road both sides,
Such as the billboard of highway both sides.The area and height of roadside poster are much bigger compared with regular price-line advertising board, and existing roadside
Billboard is fixed, and lower end and the ground of column are fixed, and upper end and the billboard of column are fixed.Due to billboard height
Degree is higher, can often be acted on by front wind-force, in the case where encountering the large winds operative condition such as typhoon, effect that billboard is born
Power is very big, and the increase of the damage and maintenance cost of billboard is inevitably resulted in through long-term wind-force effect.
The billboard market for having some vertical in order to obtain more attention rates, be often arranged on building crossroad or
Person corner, and crossroad and corner are often air port, are that wind-force is maximum, the most and most violent region of wind vector,
This billboard for allowing for being arranged on crossing is easy to topple over, and leads to the inconvenience of Pedestrians and vehicles.
Also, the billboard at crossing is arranged on, since flow of the people is larger, base portion tends to be pressed onto by vehicle, leads
The breakage of billboard bottom is caused, also easily causes the unsafe conditions in vehicle traveling.
Therefore be badly in need of designing a kind of billboard for being set to crossing, it can be good at windproof, and pedestal is not easy by vehicle pressure
Damage.
Invention content
It is a primary object of the present invention to provide a kind of windproof advertising board, larger wind-force can be resisted without toppling over.
To achieve the above objectives, the technical solution adopted by the present invention is：A kind of windproof advertising board including plate face component, is turned round
Turn component and base assembly,
The plate face component includes plate face and shaft, and the shaft is set to the lower edge of plate face, and deviates in plate face lower edge
Portion is set, and when plate face receives wind-force, due to the eccentric setting of shaft, rotates plate face, side is met to blowing direction,
Reduce the wind-force suffered by plate face；
Component is rotatable is connected in the shaft of the plate face component for the torsion, and the torsion component includes torsion bullet
Spring, described torsionspring one end are fixedly connected with the shaft, the other end fixed setting, make the plate face component after deflection by
Power to torsionspring can return to original position；
The base assembly is fixedly connected on the lower end of the torsion component, supports the plate face component and torsion component.
Preferably, the torsion component adjusts spin-block, manual spin-block composition, the wound packages by tubular shell, torsionspring
Housing is made of first shell and second shell, and the first shell cooperatively forms cavity, the torsionspring with second shell
It is set in the cavity, one end is fixedly connected with the shaft of the plate face component, and the other end is fixedly connected on the wound packages shell
On body；Screw thread is provided on the adjusting spin-block, the path of the screw thread and the torsionspring matches, and adjusts spin-block upper end
Loop fastener is provided with, torsionspring passes through loop fastener, can make the adjusting spin-block edge by rotating the manual spin-block
The torsionspring to rise, the torsionspring be wound on the adjusting spin-block, and with the spiral shell on the adjusting spin-block
Line matches；The manual spin-block with the adjusting spin-block slidably but not relatively turnable connection.The structure to pass through
The torsionspring can be limited, make plate face component after rotation, generate the torsion of deformation by rotary manual spin-block, the adjusting spin-block
The effective length for turning spring is reduced, and when plate face component rotates equal angular, the deformation quantity increase of the effective length of spring makes back
Elastic force bigger, and then the resistance bigger that plate face is made to be deflected by wind-force realize the adjusting of the anti-deflection capacity of plate face.
Preferably, the manual spin-block includes pedestal connecting portion, rotation hand, spin-block connecting portion, and the pedestal connecting portion connects
The base assembly is connected to, the spin-block connecting portion is the cylinder of polygon, is provided with and the spin-block on the adjusting spin-block
The hole of the matched polygon of connecting portion, allow the manual spin-block and it is described adjust spin-block along hole extending direction slide but
It can not relatively rotate.By rotary manual spin-block, upwardly extend adjusting spin-block.
Preferably, the base assembly includes support base, locking spin-block；The support base upper end is provided with screw thread, described
It is provided on locking spin-block and the matched internal thread of screw thread on the support base, the support base upper end and the torsion group
The rotatable connection in part lower end, the locking spin-block can be rotated up to be contradicted, and the torsion that is locked with the manual spin-block
Turn component.
Preferably, the base assembly further includes at least three connection rod set and chassis, the connection rod set include first connecting rod,
Second connecting rod and third connecting rod, the first connecting rod are articulated with support base lower end, and the second connecting rod is articulated with first connecting rod, institute
Third connecting rod and the telescopic connection of the second connecting rod are stated, torsional spring, institute are provided between the first connecting rod and second connecting rod
It states the one end being connect on first connecting rod with second connecting rod and is provided with limited block, the third connecting rod is articulated on chassis.
Preferably, the panel assembly also has deceleration return mechanism, and the deceleration return mechanism is set under panel
End, the lower edge of the panel is fixedly connected on including cylinder, piston rod and the elongation spring being set in cylinder, the cylinder,
The tail cylinder is provided with stomata, and the elongation spring, the elongation spring one end and the gas are provided in the cylinder
Cylinder inner bottom surface is in contact, and the other end is in contact with the piston rod rear end, and piston rod is made to be in elongation state always；The torsion
The first shell of component and the upper end of second shell are provided with arc convex, and it is convex that described piston rod one end is against the arc always
Rise on, when the panel assembly rotate, the piston rod by it is described extend spring effect and extend, when plate face component by
To the power of the torsionspring when returning to initial position, the piston rod is shunk by the pressure of the arc convex, pressure
Contract the elongation spring, and air from the stomata of bottom is slowly discharged, plays the role of slowing down backhaul.
The advantage of the invention is that：
(1) by the eccentric setting of plate face shaft, billboard is enable to be deflected automatically by during wind, reduces front face area, make
Billboard is not easy to be blown down；
(2) torsion component is provided with, makes plate face to the rear by wind, original position can be automatically returned to, makes advertising results more preferable；
(3) setting of understructure so that when vehicle is pressed onto pedestal, pedestal can carry out appropriate variation, make driving safer,
Billboard pedestal is also made to be not easy to be subject to crushing simultaneously；
(4) deceleration return mechanism is provided with, when turning round plate face, excessively acutely will not cause to hurt passerby, it will not be due to
High wind again makes plate face billboard be caused to fall down to the ground by excessive relative impact power；
(5) billboard reduces the weight of pedestal, and higher anti-down effect is maintained to while easy to carry, and
Billboard is enable to return to original position, ensure that the advertising results of billboard, there is good market application foreground.
Description of the drawings
Fig. 1 is overall diagram according to a preferred embodiment of the present invention；
Fig. 2 is whole explosive view according to a preferred embodiment of the present invention；
Fig. 3 is the overall diagram of torsion component according to a preferred embodiment of the present invention；
Fig. 4 is the explosive view of torsion component according to a preferred embodiment of the present invention；
Fig. 5 is the explosive view of base assembly according to a preferred embodiment of the present invention；
Fig. 6 is the working state figure of base assembly according to a preferred embodiment of the present invention；
Fig. 7 is partial sectional view one according to a preferred embodiment of the present invention；
Fig. 8 is partial sectional view two according to a preferred embodiment of the present invention；
Fig. 9 is the sectional view of the working condition one of deceleration return mechanism according to a preferred embodiment of the present invention；
Figure 10 is the sectional view of the working condition two of deceleration return mechanism according to a preferred embodiment of the present invention.
Specific embodiment
It is described below to disclose the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
A kind of windproof advertising board as shown in Fig. 1~2 including plate face component 1, reverses component 2 and base assembly 3,
Plate face component 1 includes plate face 11 and shaft 111, and shaft 111 is set to the lower edge of plate face 11, and deviates center and set
It puts, when plate face 11 receives wind-force, due to the eccentric setting of shaft 111, rotates plate face 11, side is met to blowing side
To the wind-force suffered by reduction plate face 11；
It reversing in the rotatable shaft 111 for being connected to plate face component 1 of component 2, torsion component 2 includes torsionspring 210,
210 one end of torsionspring is fixedly connected with shaft 111, other end fixed setting, makes plate face component 1 after deflection by torsion bullet
The power of spring 210 can return to original position；
Base assembly 3 is fixedly connected on the lower end of torsion component 2, support plate face component 1 and torsion component 2.
As shown in figs. 34, torsion component 2 adjusts spin-block 220, manual spin-block 230 by tubular shell, torsionspring 210
Composition, wound packages housing are made of first shell 201 and second shell 202, and first shell 201 is cooperatively formed with second shell 202
Cavity, torsionspring 210 are set in cavity, and one end is fixedly connected with the shaft 111 of plate face component 1, and the other end is fixedly connected
In on wound packages housing；It adjusts and is provided with screw thread on spin-block 220, the path of screw thread and torsionspring 210 matches, and adjusts spin-block
220 upper ends are provided with loop fastener 2201, and torsionspring 210 passes through loop fastener 2201, can by rotary manual spin-block 230
Adjusting spin-block 220 is made to increase along torsionspring 210, torsionspring 210 is wound in and is adjusted on spin-block 220, and is revolved with adjusting
Screw thread on block 220 matches；Manual spin-block 230 is with adjusting spin-block 220 slidably but not relatively turnable connection.The structure
So that by rotary manual spin-block 230, torsionspring 210 can be limited by adjusting spin-block 220, make plate face component 1 after rotation, be produced
The effective length of the torsionspring 210 of raw deformation is reduced, when plate face component 1 rotates equal angular, torsionspring 210 it is effective
The deformation quantity increase of length, makes screen resilience bigger, and then the resistance bigger that plate face 11 is made to be deflected by wind-force, realizes that plate face 11 is anti-
The adjusting of deflection capacity.
Manual spin-block 230 includes pedestal connecting portion 2301, rotation hand 2302, spin-block connecting portion 2303, pedestal connecting portion
2301 are connected to base assembly 3, and spin-block connecting portion 2303 is the cylinder of polygon, adjust and are provided on spin-block 220 and spin-block company
The hole of 2303 matched polygon of socket part, allow manual spin-block 230 and adjust spin-block 220 along hole extending direction slide but
It can not relatively rotate.By 230 spin-block of rotary manual, upwardly extend adjusting spin-block 220.
As shown in figure 5, base assembly 3 includes support base 301, locking spin-block 302；301 upper end of support base is provided with screw thread,
It is provided on locking spin-block 302 and the matched internal thread of screw thread on support base 301,301 upper end of support base and torsion component 2
The rotatable connection in lower end, locking spin-block 302 can be rotated up to be contradicted with manual spin-block 230, and the torsion component 2 that is locked.
In the present embodiment, base assembly 3 includes 4 connection rod sets and chassis 306, and connection rod set includes first connecting rod
303a, second connecting rod 304a and third connecting rod 305a, first connecting rod 303a are articulated with 301 lower end of support base, second connecting rod 304a
The telescopic connection of 303a, third connecting rod 305a and second connecting rod 304a, first connecting rod 303a and second are hinged with first connecting rod
It is provided with torsional spring between connecting rod 304a, second connecting rod 304a one end connecting is provided with limited block on first connecting rod 303a
3031a, third connecting rod 305a are articulated on chassis 306.As shown in fig. 6, when any one connecting rod is pressurized, the connection rod set hair
Raw bending, first connecting rod 303a and second connecting rod 304a are intended to 90 degree, and second connecting rod 304a and third connecting rod 305a are intended to
It is horizontal.When pressure disappears, due to being set to the effect of the torsional spring between first connecting rod 303a and second connecting rod 304a, make first
Connecting rod 303a, second connecting rod 304a and third connecting rod 305a are returned to same straight line, at this point, second connecting rod 304a is set to
The limitation of limited block 3031a on first connecting rod 303a, it is impossible to continue to overturn.
Panel assembly 1 also has deceleration return mechanism 12, and deceleration return mechanism 12 is set to the lower end of panel 11, including gas
Cylinder 121, piston rod 122 and the elongation spring 123 being set in cylinder 121, cylinder 121 are fixedly connected on the lower edge of panel 11,
121 tail portion of cylinder is provided with stomata 124, and elongation spring 123, elongation 123 one end of spring and cylinder 121 are provided in cylinder 121
Inner bottom surface is in contact, and the other end is in contact with 122 rear end of piston rod, and piston rod 122 is made to be in elongation state always；Reverse component
The upper end of 2 first shell 201 is provided with the first arc convex 2011, and it is convex that the upper end of second shell 202 is provided with the second arc
2021 are played, in the present embodiment, the first arc convex 2011 combines the complete circle of formation one with the second arc convex 2021, living
122 one end of stopper rod is against on arc convex always, and when panel assembly 1 rotates, piston rod 122 is by the work for extending spring 123
With and extend, when plate face component 1 is returned to initial position by the power of torsionspring 210, piston rod 122 is by arc convex
Pressure and shrink, compression elongation spring 123, air from the stomata 124 of bottom is slowly discharged, plays the work for slowing down backhaul
With.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection domain by appended claims and its
Equivalent defines.
Claims (6)
1. a kind of windproof advertising board, including plate face component, torsion component and base assembly, it is characterised in that：
The plate face component includes plate face and shaft, and the shaft is set to the lower edge of plate face, and deviates the middle part of plate face lower edge
Setting；
Component is rotatable is connected in the shaft of the plate face component for the torsion, and the torsion component includes torsionspring,
Described torsionspring one end is fixedly connected with the shaft, and other end fixed setting makes the plate face component can after deflection
Return to original position；
The base assembly is fixedly connected on the lower end of the torsion component, supports the plate face component and torsion component.
2. a kind of windproof advertising board as described in claim 1, it is characterised in that：The torsion component is by tubular shell, torsion
Spring adjusts spin-block, manual spin-block composition, and the wound packages housing is made of first shell and second shell, the first shell
Cavity is cooperatively formed with second shell, the torsionspring is set in the cavity, one end and the shaft of the plate face component
It is fixedly connected, the other end is fixedly connected on the wound packages housing；Screw thread, the screw thread and institute are provided on the adjusting spin-block
The path for stating torsionspring matches, and the adjusting spin-block upper end is provided with loop fastener, and the torsionspring passes through the ring
Shape fastener can be such that the adjusting spin-block rises along the torsionspring, by the torsion by rotating the manual spin-block
Spring wrap is adjusted in described on spin-block, and is matched with the screw thread on the adjusting spin-block；The manual spin-block and the tune
Save spin-block slidably but not relatively turnable connection.
3. a kind of windproof advertising board as claimed in claim 2, it is characterised in that：The manual spin-block include pedestal connecting portion,
Hand, spin-block connecting portion are revolved, the pedestal connecting portion is connected on the base assembly, and the spin-block connecting portion is polygon
Cylinder, described adjust are provided with hole with the matched polygon of spin-block connecting portion on spin-block, make the manual spin-block and
The adjusting spin-block can slide but can not relatively rotate along the extending direction in hole.
4. a kind of windproof advertising board as claimed in claim 3, it is characterised in that：The base assembly includes support base, locking
Spin-block；The support base upper end is provided with screw thread, is provided on the locking spin-block and is matched with the screw thread on the support base
Internal thread, the support base upper end with it is described torsion the rotatable connection in component lower end, it is described locking spin-block can rotate up
It interacts, and the torsion component that is locked with the manual spin-block.
5. a kind of windproof advertising board as claimed in claim 4, it is characterised in that：The base assembly further includes at least three company
Bar group and chassis, the connection rod set include first connecting rod, second connecting rod and third connecting rod, and the first connecting rod is articulated with support base
Lower end, the second connecting rod are articulated with first connecting rod, the third connecting rod and the telescopic connection of the second connecting rod, and described the
Torsional spring is provided between one connecting rod and second connecting rod, the one end being connect on the first connecting rod with second connecting rod is provided with limiting block
Block, the third connecting rod are articulated on chassis.
6. a kind of windproof advertising board as claimed in claim 5, it is characterised in that：The panel assembly also has deceleration backhaul machine
Structure, the deceleration return mechanism are set to the lower end of panel, including cylinder, piston rod and the elongation spring being set in cylinder,
The cylinder is fixedly connected on the lower edge of the panel, and the tail cylinder is provided with stomata, is provided in the cylinder described
Spring is extended, the elongation spring one end is in contact with the cylinder inner bottom surface, and the other end is in contact with the piston rod rear end,
Piston rod is made to be in elongation state always；It is convex that the first shell of the torsion component and the upper end of second shell are provided with arc
It rises, described piston rod one end is against always on the arc convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810055831.7A CN108230898B (en) | 2018-01-20 | 2018-01-20 | A kind of windproof advertising board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810055831.7A CN108230898B (en) | 2018-01-20 | 2018-01-20 | A kind of windproof advertising board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108230898A true CN108230898A (en) | 2018-06-29 |
| CN108230898B CN108230898B (en) | 2019-12-03 |
Family
ID=62668209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810055831.7A Active CN108230898B (en) | 2018-01-20 | 2018-01-20 | A kind of windproof advertising board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108230898B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671351A (en) * | 2019-02-25 | 2019-04-23 | 安徽子午线标识标牌工程有限公司 | A kind of direction board |
| CN111243463A (en) * | 2020-04-07 | 2020-06-05 | 嵊州略白广告有限公司 | Billboard capable of self-adapting to wind speed reduction and turnover |
| CN111341228A (en) * | 2020-04-23 | 2020-06-26 | 温州昊钢标牌有限公司 | Automatic switching content's bill-board |
| CN111402763A (en) * | 2020-04-23 | 2020-07-10 | 温州昊钢标牌有限公司 | Vertical billboard |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3144068C1 (en) * | 1981-11-06 | 1983-01-13 | Kühnendahl-Display GmbH + Co KG, 5600 Wuppertal | Portable advertising stand |
| CN2760701Y (en) * | 2004-10-21 | 2006-02-22 | 丁志刚 | Roadside windproof billboard |
| CN101615365A (en) * | 2008-06-26 | 2009-12-30 | 上海理工大学 | Windshielding anti-fall device for billboard |
| US7685754B1 (en) * | 2008-08-04 | 2010-03-30 | Rodrigo Torres | Storm and hurricane signage |
| CN103646624A (en) * | 2013-11-11 | 2014-03-19 | 宁波市鄞州云帆工程咨询有限公司 | Automatic torque return wind load avoiding mechanism |
| CN204720108U (en) * | 2015-07-02 | 2015-10-21 | 国家电网公司 | Wind resistance automatically resets warning sign |
| CN205487141U (en) * | 2016-04-04 | 2016-08-17 | 邢台职业技术学院 | Movable prevent wind digital bill -board |
-
2018
- 2018-01-20 CN CN201810055831.7A patent/CN108230898B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3144068C1 (en) * | 1981-11-06 | 1983-01-13 | Kühnendahl-Display GmbH + Co KG, 5600 Wuppertal | Portable advertising stand |
| CN2760701Y (en) * | 2004-10-21 | 2006-02-22 | 丁志刚 | Roadside windproof billboard |
| CN101615365A (en) * | 2008-06-26 | 2009-12-30 | 上海理工大学 | Windshielding anti-fall device for billboard |
| US7685754B1 (en) * | 2008-08-04 | 2010-03-30 | Rodrigo Torres | Storm and hurricane signage |
| CN103646624A (en) * | 2013-11-11 | 2014-03-19 | 宁波市鄞州云帆工程咨询有限公司 | Automatic torque return wind load avoiding mechanism |
| CN204720108U (en) * | 2015-07-02 | 2015-10-21 | 国家电网公司 | Wind resistance automatically resets warning sign |
| CN205487141U (en) * | 2016-04-04 | 2016-08-17 | 邢台职业技术学院 | Movable prevent wind digital bill -board |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671351A (en) * | 2019-02-25 | 2019-04-23 | 安徽子午线标识标牌工程有限公司 | A kind of direction board |
| CN111243463A (en) * | 2020-04-07 | 2020-06-05 | 嵊州略白广告有限公司 | Billboard capable of self-adapting to wind speed reduction and turnover |
| CN111341228A (en) * | 2020-04-23 | 2020-06-26 | 温州昊钢标牌有限公司 | Automatic switching content's bill-board |
| CN111402763A (en) * | 2020-04-23 | 2020-07-10 | 温州昊钢标牌有限公司 | Vertical billboard |
| CN111341228B (en) * | 2020-04-23 | 2021-12-17 | 温州昊钢标牌有限公司 | Automatic switching content's bill-board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108230898B (en) | 2019-12-03 |
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