CN111883023A - Billboard capable of preventing strong wind from blowing and falling - Google Patents
Billboard capable of preventing strong wind from blowing and falling Download PDFInfo
- Publication number
- CN111883023A CN111883023A CN202010845445.5A CN202010845445A CN111883023A CN 111883023 A CN111883023 A CN 111883023A CN 202010845445 A CN202010845445 A CN 202010845445A CN 111883023 A CN111883023 A CN 111883023A
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- cavity
- fixedly connected
- wall
- limiting
- power
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- 238000007664 blowing Methods 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 230000002265 prevention Effects 0.000 claims 1
- 230000009347 mechanical transmission Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
-
- 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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- B08B1/30—
Abstract
The invention discloses a billboard for preventing strong wind from blowing and falling, which comprises a machine body, wherein a lifting groove which vertically penetrates through the machine body is arranged in the machine body, the lifting groove is connected with a support column in a sliding way, a transmission cavity is arranged in the machine body, an operation cavity is arranged on the right inner wall of the transmission cavity, a lifting mechanism is arranged in the operation cavity, an upward moving cavity with a right opening is arranged in the machine body, a cleaning mechanism is arranged in the upward moving cavity, a power cavity is arranged in the machine body, the invention has simple structure and convenient operation, when meeting strong wind weather, the device can automatically reduce the height of the billboard through mechanical transmission to prevent the billboard from being scraped down, when the weather returns to normal, the billboard can be reset through mechanical transmission, when the billboard needs to be cleaned, the automatic cleaning of the advertising board can be realized through mechanical transmission, so that the workload of workers is reduced.
Description
Technical Field
The invention relates to the field of advertising boards, in particular to an advertising board for preventing strong wind from blowing over and toppling over.
Background
The billboard is often set around a kilometer, the billboard is scraped down in windy weather, the billboard is artificially prevented from being scraped down, and the billboard is untidy and needs to be manually arranged if not replaced or cleaned for a long time.
At present, prevent that the bill-board from being scraped down and clear up the bill-board and all be the manual work and operate, not only exist and prevent that the bill-board from being scraped down and clear up the loaded down with trivial details phenomenon of bill-board process, but also can consume a large amount of physical power of worker, increase worker's work load.
Disclosure of Invention
The invention aims to solve the technical problem of providing a billboard capable of preventing strong wind from blowing and falling, solving the problems that the billboard cannot be automatically prevented from being scraped and cannot be automatically cleaned and the like, and increasing the functions of automatically preventing the billboard from being scraped and automatically cleaning the billboard.
The invention is realized by the following technical scheme.
The invention relates to a billboard capable of preventing strong wind from blowing over and falling, which comprises a machine body, wherein a lifting groove which penetrates through the machine body up and down is arranged in the machine body, a supporting column is connected in the lifting groove in a sliding manner, a transmission cavity is arranged in the machine body, an operation cavity is arranged on the right inner wall of the transmission cavity, a lifting mechanism is arranged in the operation cavity, an upward moving cavity with a right opening is arranged in the machine body, a cleaning mechanism is arranged in the upward moving cavity, a power cavity is arranged in the machine body, a power mechanism is arranged in the power cavity, the lifting mechanism comprises a transmission shaft which is positioned on the lower inner wall of the transmission cavity and is connected with the lower inner wall of the transmission cavity in a rotating manner, a power shaft is connected on the lower inner wall of the power cavity in a rotating manner, wind wheels are fixedly connected on the transmission shaft and the power, A transmission gear is fixedly connected, a linkage cavity with a rightward opening is arranged on the left inner wall of the transmission cavity, a linkage gear is connected in the linkage cavity in a sliding manner, a linkage spring fixedly connected with the rear end of the linkage gear is fixedly connected on the rear inner wall of the linkage cavity, a limiting pull rope and a linkage pull rope are fixedly connected with the rear end of the linkage gear, a linkage groove with a rightward opening is arranged in the linkage gear, a rotary bevel gear is connected in the linkage groove in a sliding manner, a driven shaft is connected on the front inner wall of the operation cavity in a rotating manner, a driven cavity with a forward opening is arranged on the rear inner wall of the operation cavity, the driven shaft is connected in the driven cavity in a sliding manner, a driven torsion spring fixedly connected with the rear end of the driven shaft is fixedly connected on the rear inner wall of the driven cavity, a driven gear and a moving, and the left end of the strut is provided with thread teeth meshed with the movable gear.
Furthermore, the power mechanism comprises a centrifugal wheel and a power gear which are fixedly connected with the power shaft, sixteen centrifugal cavities with openings facing away from the direction of the power shaft are arranged in the centrifugal wheel, centrifugal blocks are connected in the centrifugal cavities in a sliding manner, centrifugal springs fixedly connected with the centrifugal blocks and close to the power shaft are fixedly connected onto the inner wall of the centrifugal cavity close to the power shaft, a brake cavity with a rightward opening is arranged on the left inner wall of the power cavity, a brake slider is connected in the brake cavity in a sliding manner, a brake spring fixedly connected with the left end of the brake slider is fixedly connected onto the left inner wall of the brake cavity, a brake pull rope is fixedly connected onto the left end of the brake slider, a limiting cavity with a downward opening is arranged on the upper inner wall of the brake cavity, a limiting slider is connected in the limiting cavity in a sliding manner, and a limiting spring fixedly connected with the upper end of the limiting slider is, the limiting device comprises a limiting sliding block and is characterized in that the upper end of the limiting sliding block is fixedly connected with the other end of the limiting pull rope, a power groove with a downward opening is formed in the power gear, a vertical cavity with an upward opening is formed in the lower inner wall of the power cavity, a vertical rod is connected in the vertical cavity in a friction mode, the vertical rod is connected in the power groove in a sliding mode, a vertical spring fixedly connected with the lower end of the vertical rod is fixedly connected to the lower inner wall of the vertical cavity, and the lower end of the vertical rod is fixedly connected with the.
Further, the cleaning mechanism comprises an upper moving slide block which is positioned in the upper moving cavity and is in sliding connection with the upper moving slide block, an upper moving spring which is fixedly connected with the upper end of the upper moving slide block is fixedly connected on the upper inner wall of the upper moving cavity, an upper moving stay cord is fixedly connected on the lower end of the upper moving slide block, a cleaning block is fixedly connected on the upper moving slide block, a lower moving cavity with an upward opening is arranged on the lower inner wall of the upper moving cavity, a lower moving slide block is connected in sliding connection with the lower moving cavity, a lower moving spring which is fixedly connected with the lower end of the lower moving slide block is fixedly connected on the lower inner wall of the lower moving cavity, the right end of the lower moving slide block is fixedly connected with the other end of the vertical stay cord, a rotating shaft is rotatably connected on the upper inner wall and the lower inner wall, be fixed with under the torsional spring groove on the inner wall with axis of rotation lower extreme fixed connection's rotation torsional spring, be equipped with the removal chamber of opening left in the pillar, remove intracavity sliding connection and remove the slider, remove on the chamber left side inner wall fixedly connected with remove slider left end fixed connection's removal spring, remove slider left end fixed connection have the other end of braking stay cord, pillar lower extreme fixedly connected with base, be equipped with the ascending spacing chamber of opening in the base, spacing intracavity sliding connection has spacing slider, fixedly connected with on the inner wall under the spacing chamber with spacing slider lower extreme fixed connection's spacing spring, spacing slider right-hand member fixedly connected with the other end of linkage stay cord.
Furthermore, the elastic force of the brake spring is greater than that of the movable spring, the elastic force of the limiting spring is greater than that of the linkage spring, and the elastic force of the vertical spring is greater than the friction force between the vertical rod and the vertical cavity.
The invention has the beneficial effects that: the automatic billboard cleaning device is simple in structure and convenient and fast to operate, when strong wind weather occurs, the device can automatically reduce the height of the billboard through mechanical transmission, so that the billboard is prevented from being scraped, when the weather returns to normal, the billboard can be reset through the mechanical transmission, when the billboard needs to be cleaned, the billboard can be automatically cleaned through the mechanical transmission, and therefore the workload of workers is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of the embodiment of the present invention FIG. 1;
FIG. 3 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of FIG. 1 at C according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The billboard capable of preventing strong wind from blowing and falling comprises a body 10, wherein a lifting groove 11 penetrating through the body 10 from top to bottom is arranged in the body 10, a supporting column 12 is connected in the lifting groove 11 in a sliding manner, a transmission cavity 14 is arranged in the body 10, an operation cavity 57 is arranged on the right inner wall of the transmission cavity 14, a lifting mechanism 72 is arranged in the operation cavity 57, an upper moving cavity 33 with a right opening is arranged in the body 10, a cleaning mechanism 71 is arranged in the upper moving cavity 33, a power cavity 15 is arranged in the body 10, a power mechanism 70 is arranged in the power cavity 15, the lifting mechanism 72 comprises a transmission shaft 16 which is rotatably connected with the lower inner wall of the transmission cavity 14, a power shaft 17 is rotatably connected to the lower inner wall of the power cavity 15, a wind wheel 18 is fixedly connected to the transmission shaft 16 and the power shaft 17, and a rotary bevel gear 48 is fixedly connected to the transmission shaft 16, a rotating shaft 49 is rotatably connected to the rear inner wall of the transmission cavity 14, a rotating bevel gear 50 and a transmission gear 56 are fixedly connected to the rotating shaft 49 in a keyed connection manner, a linkage cavity 51 with a rightward opening is arranged on the left inner wall of the transmission cavity 14, a linkage gear 52 is slidably connected to the linkage cavity 51, a linkage spring 53 fixedly connected to the rear end of the linkage gear 52 is fixedly connected to the rear inner wall of the linkage cavity 51, a limiting pull rope 45 and a linkage pull rope 54 are fixedly connected to the rear end of the linkage gear 52, a linkage groove 55 with a rightward opening is arranged in the linkage gear 52, the rotating bevel gear 50 is slidably connected to the linkage groove 55, a driven shaft 58 is rotatably connected to the front inner wall of the operation cavity 57, a driven cavity 59 with a forward opening is arranged on the rear inner wall of the operation cavity 57, the driven shaft 58 is slidably connected to the driven cavity 59, and a driven torsion spring 60 fixedly connected to the rear inner wall of the, the driven shaft 58 is fixedly connected with a driven gear 62 and a moving gear 61, the driven gear 62 is in power fit connection with the transmission gear 56 through a driven belt 63, and the left end of the strut 12 is provided with a thread tooth meshed with the moving gear 61.
Beneficially, the power mechanism 70 includes a centrifugal wheel 19 and a power gear 20 fixedly connected to the power shaft 17, sixteen centrifugal cavities 21 with openings facing away from the power shaft 17 are provided in the centrifugal wheel 19, centrifugal blocks 22 are slidably connected in the centrifugal cavities 21, a centrifugal spring 23 fixedly connected to the centrifugal block 22 near the power shaft 17 is fixedly connected to the inner wall of the centrifugal cavity 21 near the power shaft 17, a braking cavity 39 with a rightward opening is provided on the left inner wall of the power cavity 15, a braking slider 40 is slidably connected to the braking cavity 39, a braking spring 41 fixedly connected to the left end of the braking slider 40 is fixedly connected to the left inner wall of the braking cavity 39, a braking pull rope 46 is fixedly connected to the left end of the braking slider 40, a limiting cavity 42 with a downward opening is provided on the upper inner wall of the braking cavity 39, and a limiting slider 43 is slidably connected to the limiting cavity 42, the upper inner wall of the limiting cavity 42 is fixedly connected with a limiting spring 44 fixedly connected with the upper end of a limiting sliding block 43, the upper end of the limiting sliding block 43 is fixedly connected with the other end of a limiting pull rope 45, a power groove 24 with a downward opening is formed in the power gear 20, a vertical cavity 26 with an upward opening is formed in the lower inner wall of the power cavity 15, a vertical rod 25 is connected in the vertical cavity 26 in a friction mode, the vertical rod 25 is connected in the power groove 24 in a sliding mode, a vertical spring 27 fixedly connected with the lower end of the vertical rod 25 is fixedly connected to the lower inner wall of the vertical cavity 26, and a vertical pull rope 28 is fixedly connected to the lower end of the vertical rod 25.
Advantageously, the cleaning mechanism 71 comprises an upper moving slide block 34 slidably connected in the upper moving cavity 33, an upper moving spring 35 fixedly connected to an upper end of the upper moving slide block 34 is fixedly connected to an upper inner wall of the upper moving cavity 33, an upper moving pull rope 32 is fixedly connected to a lower end of the upper moving slide block 34, a cleaning block 47 is fixedly connected to the upper moving slide block 34, a lower moving cavity 36 with an upward opening is formed in a lower inner wall of the upper moving cavity 33, a lower moving slide block 37 is slidably connected in the lower moving cavity 36, a lower moving spring 38 fixedly connected to a lower end of the lower moving slide block 37 is fixedly connected to a lower inner wall of the lower moving cavity 36, the right end of the lower moving slide block 37 is fixedly connected to the other end of the vertical pull rope 28, a rotating shaft 29 is rotatably connected to an upper inner wall and a lower inner wall of the power cavity 15, a limit gear 73 is fixedly, a torsion spring groove 30 with an upward opening is arranged on the lower inner wall of the power cavity 15, a rotary torsion spring 31 fixedly connected with the lower end of the rotating shaft 29 is fixed on the lower inner wall of the torsion spring groove 30, a moving cavity 64 with a left opening is arranged in the support post 12, a moving slide block 65 is connected in the moving cavity 64 in a sliding way, a moving spring 66 fixedly connected with the left end of the moving slide block 65 is fixedly connected on the left inner wall of the moving cavity 64, the left end of the movable sliding block 65 is fixedly connected with the other end of the braking pull rope 46, the lower end of the strut 12 is fixedly connected with a base 13, a limiting cavity 67 with an upward opening is arranged in the base 13, a limiting slide block 68 is connected in the limiting cavity 67 in a sliding way, the lower inner wall of the limiting cavity 67 is fixedly connected with a limiting spring 69 fixedly connected with the lower end of the limiting slide block 68, and the right end of the limiting slide block 68 is fixedly connected with the other end of the linkage pull rope 54.
Advantageously, the elastic force of the braking spring 41 is greater than that of the moving spring 66, the elastic force of the limiting spring 44 is greater than that of the linking spring 53, and the elastic force of the vertical spring 27 is greater than the friction force of the vertical rod 25 and the vertical cavity 26.
In the initial state, the moving spring 66 is in a compressed state, the interlocking spring 53 is in a compressed state, and the interlocking cord 54 is in a relaxed state.
When the wind power generator works, the wind wheel 18 rotates at different rotating speeds according to the wind power, when the wind speed reaches a certain value, the wind wheel 18 rotates to drive the transmission shaft 16, the power shaft 17, the centrifugal wheel 19 and the power gear 20 to rotate, centrifugal force generated by rotation of the centrifugal wheel 19 moves the centrifugal block 22 in the direction away from the power shaft 17, the centrifugal block 22 moves to enable the brake slider 40 to be pushed leftwards, so that the brake pull rope 46 is loosened, the brake pull rope 46 is loosened to enable the moving spring 66 to reset, the moving slider 65 moves leftwards, the brake slider 40 moves leftwards to collide with the limiting slider 43 and push the limiting slider 43 upwards, the limiting slider 43 moves upwards to enable the limiting spring 44 to be compressed, the limiting pull rope 45 is loosened, the linkage gear 52 moves forwards, the linkage spring 53 resets, and the rotary bevel gear 50 moves forwards to be meshed with the rotary bevel gear 48, the transmission shaft 16 rotates to drive the rotating bevel gear 48 and the rotating bevel gear 50 to rotate, the rotating bevel gear 50 rotates to drive the rotating shaft 49 and the transmission gear 56 to rotate, the transmission gear 56 rotates to drive the driven belt 63 and the driven gear 62 to rotate, the driven gear 62 rotates to drive the driven shaft 58 and the moving gear 61 to rotate, the driven shaft 58 rotates to enable the driven torsion spring 60 to be twisted, the moving gear 61 rotates on the support 12 to enable the machine body 10 to move downwards relative to the support 12, the machine body 10 moves downwards to enable the moving slide block 65 and the limiting slide block 68 to collide, the moving slide block 65 is pushed rightwards and then the moving slide block 65 enters the operation cavity 57 and moves leftwards, so that the machine body 10 is limited to move upwards, the limiting slide block 68 is pushed downwards to enable the linkage pull rope 54 to be stretched and the limiting spring 69 to be compressed, the linkage pull rope 54 is, the rotating bevel gear 50 moves backwards to be disengaged with the rotating bevel gear 48, so that the downward movement of the machine body 10 is stopped, the power gear 20 rotates to drive the limit gear 73 and the rotating shaft 29 to rotate, the rotating torsion spring 31 is twisted by the rotating shaft 29, the upward moving pull rope 32 is pulled, the upward moving slide block 34 moves downwards, the upward moving spring 35 is stretched, the upward moving slide block 34 moves downwards to drive the cleaning block 47 to move downwards together, the downward moving slide block 34 collides with the downward moving slide block 37 and pushes the downward moving slide block downwards, the vertical pull rope 28 is pulled, the downward moving spring 38 is compressed, the vertical pull rope 28 is pulled, the vertical rod 25 is pulled downwards, the vertical spring 27 is compressed, the vertical rod 25 moves downwards to drive the power gear 20 to move downwards and disengage with the limit gear 73, and the rotating shaft 29, the rotating torsion spring 31 and the upward moving pull rope 32 are not limited any more, thereby the rotating torsion spring 31 and the upward moving pull rope 32 are reset, the upward moving slide block 34 moves upward, the upward moving spring 35 is reset, the cleaning block 47 moves upward together, thereby the cleaning effect is achieved, the upward moving slide block 34 moves upward to reset the downward moving slide block 37, the vertical pull rope 28 and the downward moving spring 38, because a certain friction exists between the vertical rod 25 and the vertical cavity 26, the vertical rod 25 can move upward slowly and engage the power gear 20 with the limit gear 73, when the wind stops or is too small, the centrifugal block 22 moves to the initial state, the brake slide block 40, the brake spring 41 and the brake pull rope 46 are reset, the brake slide block 40 is reset to reset the limit spring 44 and the limit pull rope 45, the brake pull rope 46 is reset to enable the moving slide block 65 to move rightwards to not limit the machine body 10 any more, the driven torsion spring 60 is reset and drives the moving gear 61 to rotate, so that the body 10 is moved up to the initial position, thereby completing the restoration.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a bill-board that prevention high wind blew and topple over, includes the organism, its characterized in that: a lifting groove which vertically penetrates through the machine body is arranged in the machine body, a supporting column is slidably connected in the lifting groove, a transmission cavity is arranged in the machine body, an operation cavity is arranged on the right inner wall of the transmission cavity, a lifting mechanism is arranged in the operation cavity, an upward moving cavity with a right opening is arranged in the machine body, a cleaning mechanism is arranged in the upward moving cavity, a power cavity is arranged in the machine body, a power mechanism is arranged in the power cavity, the lifting mechanism comprises a transmission shaft which is rotatably connected with the lower inner wall of the transmission cavity, a power shaft is rotatably connected with the lower inner wall of the power cavity, the transmission shaft and the power shaft are both fixedly connected with a wind wheel, a rotating bevel gear is fixedly connected on the transmission shaft, a rotating shaft is rotatably connected with the rear inner wall of the transmission cavity, the rotating bevel gear is connected with a key on the rotating shaft, a linkage gear is connected in the linkage cavity in a sliding way, a linkage spring fixedly connected with the rear end of the linkage gear is fixedly connected on the rear inner wall of the linkage cavity, the rear end of the linkage gear is fixedly connected with a limiting pull rope and a linkage pull rope, a linkage groove with a right opening is arranged in the linkage gear, the rotary bevel gear is in sliding connection in the linkage groove, the front inner wall of the operation cavity is rotationally connected with a driven shaft, a driven cavity with a forward opening is arranged on the rear inner wall of the operation cavity, the driven shaft is connected in the driven cavity in a sliding way, a driven torsion spring fixedly connected with the rear end of the driven shaft is fixedly connected on the rear inner wall of the driven cavity, the driven shaft is fixedly connected with a driven gear and a movable gear, the driven gear is in power fit connection with the transmission gear through a driven belt, and the left end of the strut is provided with thread teeth meshed with the movable gear.
2. The billboard capable of preventing strong wind from blowing over and toppling over according to claim 1, wherein: the power mechanism comprises a centrifugal wheel and a power gear which are fixedly connected with the power shaft, sixteen centrifugal cavities with openings facing away from the direction of the power shaft are arranged in the centrifugal wheel, centrifugal blocks are connected in the centrifugal cavities in a sliding manner, centrifugal springs fixedly connected with the centrifugal blocks and close to the power shaft are fixedly connected on the inner wall of the centrifugal cavity close to the power shaft, a brake cavity with a rightward opening is arranged on the left inner wall of the power cavity, a brake slider is connected in the brake cavity in a sliding manner, a brake spring fixedly connected with the left end of the brake slider is fixedly connected on the left inner wall of the brake cavity, a brake pull rope is fixedly connected at the left end of the brake slider, a limiting cavity with a downward opening is arranged on the upper inner wall of the brake cavity, a limiting slider is connected in the limiting cavity in a sliding manner, and a limiting spring fixedly connected with the upper end of the limiting, the limiting device comprises a limiting sliding block and is characterized in that the upper end of the limiting sliding block is fixedly connected with the other end of the limiting pull rope, a power groove with a downward opening is formed in the power gear, a vertical cavity with an upward opening is formed in the lower inner wall of the power cavity, a vertical rod is connected in the vertical cavity in a friction mode, the vertical rod is connected in the power groove in a sliding mode, a vertical spring fixedly connected with the lower end of the vertical rod is fixedly connected to the lower inner wall of the vertical cavity, and the lower end of the vertical rod is fixedly connected with the.
3. The billboard capable of preventing strong wind from blowing over and toppling over according to claim 2, wherein: the cleaning mechanism comprises an upper moving slide block which is positioned in the upper moving cavity and is in sliding connection with the upper end of the upper moving slide block, an upper moving spring which is fixedly connected with the upper end of the upper moving slide block is fixedly connected on the upper inner wall of the upper moving cavity, an upper moving stay cord is fixedly connected on the lower end of the upper moving slide block, a cleaning block is fixedly connected on the upper moving slide block, a downward moving cavity with an upward opening is arranged on the lower inner wall of the upper moving cavity, a downward moving slide block is slidably connected in the downward moving cavity, a downward moving spring which is fixedly connected with the lower end of the downward moving slide block is fixedly connected on the lower inner wall of the downward moving cavity, the right end of the downward moving slide block is fixedly connected with the other end of the vertical stay cord, a rotating shaft is rotatably connected on the upper inner wall and the lower inner wall of the power cavity, a limit gear is fixedly connected on the rotating shaft, the brake pull rope is characterized in that a moving cavity with a left opening is formed in the strut, a moving slider is connected to the moving cavity in a sliding mode, a moving spring fixedly connected with the left end of the moving slider is fixedly connected to the left inner wall of the moving cavity, the left end of the moving slider is fixedly connected with the other end of the brake pull rope, a base is fixedly connected with the lower end of the strut, a limiting cavity with an upward opening is formed in the base, a limiting slider is connected to the limiting cavity in a sliding mode, a limiting spring fixedly connected with the lower end of the limiting slider is fixedly connected to the lower inner wall of the limiting cavity, and the right end of the limiting.
4. A billboard according to claim 3 for preventing strong wind from blowing over and dumping, wherein: the elasticity of the brake spring is greater than that of the movable spring, the elasticity of the limiting spring is greater than that of the linkage spring, and the elasticity of the vertical spring is greater than the friction force between the vertical rod and the vertical cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010845445.5A CN111883023A (en) | 2020-08-20 | 2020-08-20 | Billboard capable of preventing strong wind from blowing and falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010845445.5A CN111883023A (en) | 2020-08-20 | 2020-08-20 | Billboard capable of preventing strong wind from blowing and falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111883023A true CN111883023A (en) | 2020-11-03 |
Family
ID=73202997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010845445.5A Withdrawn CN111883023A (en) | 2020-08-20 | 2020-08-20 | Billboard capable of preventing strong wind from blowing and falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111883023A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634775A (en) * | 2021-01-13 | 2021-04-09 | 上海奥岩文具有限公司 | Hidden self-cleaning subway tunnel advertisement lamp |
| CN113380142A (en) * | 2021-05-18 | 2021-09-10 | 广东省星辰文化传媒有限公司 | Electronic billboard with cleaning function |
-
2020
- 2020-08-20 CN CN202010845445.5A patent/CN111883023A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634775A (en) * | 2021-01-13 | 2021-04-09 | 上海奥岩文具有限公司 | Hidden self-cleaning subway tunnel advertisement lamp |
| CN112634775B (en) * | 2021-01-13 | 2022-05-27 | 江苏浦亚照明科技股份有限公司 | Hidden self-cleaning subway tunnel advertisement lamp |
| CN113380142A (en) * | 2021-05-18 | 2021-09-10 | 广东省星辰文化传媒有限公司 | Electronic billboard with cleaning function |
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Application publication date: 20201103 |
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| WW01 | Invention patent application withdrawn after publication |