CN115206209A - Advertising board - Google Patents
Advertising board Download PDFInfo
- Publication number
- CN115206209A CN115206209A CN202210848408.9A CN202210848408A CN115206209A CN 115206209 A CN115206209 A CN 115206209A CN 202210848408 A CN202210848408 A CN 202210848408A CN 115206209 A CN115206209 A CN 115206209A
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- China
- Prior art keywords
- rod
- connecting rod
- flow passage
- piston
- base
- 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.)
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Classifications
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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
- G09F15/02—Bills, posters, or the like therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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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
Abstract
The invention relates to a billboard, comprising: a base; the driving mechanism is arranged on the base and comprises an impeller, the impeller is rotationally arranged on the base and can be driven to rotate through air flow; the connecting rod mechanism is arranged on the base and comprises a first connecting rod, a second connecting rod and a third connecting rod, and one end of each connecting rod is hinged to the base; the display board, first connecting rod, second connecting rod, third connecting rod are kept away from the one end of base all articulate in on the display board, just first connecting rod, second connecting rod, third connecting rod parallel arrangement, link mechanism with actuating mechanism connects, the impeller is rotatory, can drive link mechanism, and then drives reciprocal the rocking about the display board. The invention has the advantages that: through setting up the impeller for when windy blowing, the impeller can rotate by oneself, provides drive power for the work of bill-board, need not to carry out outside energy supply, and is energy-concerving and environment-protective.
Description
Technical Field
The invention relates to the technical field of billboards, in particular to an automatic cleaning billboard.
Background
In the real life, the advertisement becomes an important form for people to know the market and know products and consumption, the advertisement is used for attracting the eyes of people to promote commodities, the designed exquisite advertisement propaganda becomes a part which cannot or is lacking in the era, in the existing life, the advertisement is generally displayed by using the advertisement board, due to the fact that a large number of advertisements are too suitable for the advertisement, the existing advertisement board cannot cause people to pay high attention to the advertisement content, meanwhile, due to the fact that most of the advertisement boards are arranged in an open place, the surface of the advertisement board can be shielded by dust, in order to not affect the watching of people to the advertisement content, the surface of the advertisement board needs to be cleaned, in the prior art, two types of cleaning for the advertisement board are generally adopted, namely manual cleaning and machine cleaning, if the advertisement board is cleaned manually, a large amount of manpower is consumed, a certain amount of danger exists, if a cleaning machine is additionally arranged on the advertisement board, an electric wire needs to be introduced into the advertisement board, the power is supplied to the cleaning machine, meanwhile, the cost of the cleaning machine is high, the problem that the advertisement board cleaning effect is not well solved, and the invention is invented.
Disclosure of Invention
In view of the above, there is a need for a billboard that can easily clean the surface of the display board on the billboard.
The invention discloses a billboard, which comprises:
a base;
the driving mechanism is arranged on the base and comprises an impeller, the impeller is rotationally arranged on the base and can be driven to rotate through air flow;
the connecting rod mechanism is arranged on the base and comprises a first connecting rod, a second connecting rod and a third connecting rod, and one end of each of the first connecting rod, the second connecting rod and the third connecting rod is hinged to the base;
the ends of the first connecting rod, the second connecting rod and the third connecting rod far away from the base are all hinged on the display board, and the first connecting rod, the second connecting rod and the third connecting rod are arranged in parallel,
the connecting rod mechanism is connected with the driving mechanism, and the impeller rotates to drive the connecting rod mechanism and further drive the display board to swing left and right in a reciprocating manner.
In one embodiment, the driving mechanism further comprises: first belt pulley, second belt pulley, belt, eccentric wheel, first belt pulley with the coaxial fixed connection of impeller, eccentric wheel swivelling joint in on the base, the second belt pulley with the coaxial fixed connection of eccentric wheel, the belt is connected first belt pulley and second belt pulley, thereby, work as when the impeller is rotatory, through first belt pulley and second belt pulley can drive the eccentric wheel is rotatory.
In one embodiment, the link mechanism further includes a fourth link, a fifth link, and a connecting shaft, the fourth link is rotatably connected to the eccentric wheel, the eccentric wheel can drive the fourth link to move when rotating, the fifth link is fixedly connected to the first link, one end of the fourth link, which is far away from the eccentric wheel, is rotatably connected to the fifth link, the eccentric wheel can drive the fifth link to swing through the fourth link by rotating, and the display board is further driven to swing through the first link.
In one embodiment, the billboard further comprises a cleaning mechanism, wherein the cleaning mechanism comprises a piston pump assembly, a gas reversing assembly, a first pneumatic rod, a first rack, a first control gear and a first cleaning brush bar,
the piston pump assembly comprises a sixth connecting rod, a pump body, a piston, a first one-way valve and a second one-way valve, the pump body is fixedly arranged on the base, the piston is arranged in the pump body in a sliding mode, one end of the sixth connecting rod is rotatably connected to the eccentric wheel, the other end of the sixth connecting rod is rotatably connected to the piston, an inlet A and an outlet B are formed in the pump body, the first one-way valve is arranged at the inlet A, the second one-way valve is arranged at the outlet B, the piston can be driven to reciprocate in the pump body through the rotation of the eccentric wheel, so that air can enter the pump body from the inlet A in a one-way mode and then is discharged out of the pump body from the outlet B,
the gas reversing assembly is arranged on the base and connected with the driving mechanism, the outlet B is connected with the gas reversing assembly through a hose, the gas reversing assembly is connected with the first pneumatic rod through a hose, the driving mechanism can drive the gas reversing assembly to reverse, so that the first pneumatic rod can be controlled to extend or shorten,
first air movable rod fixed set up in on the first connecting rod, first rack fixed set up in on the first air movable rod, along with first air movable rod extension can drive first rack translation, first control gear rotatory set up in on the first connecting rod, and with first clean brush strip fixed connection, first control gear with first rack toothing, along with the removal of first rack can drive first control gear is rotatory, and then drives first clean brush strip is rotatory, works as when first clean brush strip is rotatory to the operating position, along with the rocking of show tablet, first clean brush strip can be right the show tablet surface is cleaned.
In one embodiment, the gas reversing assembly comprises a supporting seat, a valve core, a pressure valve, a turbine and a worm, wherein a mounting cavity, a cross flow passage and an outlet flow passage are formed in the supporting seat, four flow passages of the cross flow passage are respectively a flow passage C, a flow passage D, a flow passage E and a flow passage F, the flow passage C, the flow passage D, the flow passage E and the flow passage F are respectively communicated with an outlet a, a first pneumatic rod, the mounting cavity and the pressure valve, the outlet flow passage is communicated with the mounting cavity, the worm is fixedly connected with the impeller, the turbine is rotatably connected to the base and is fixedly connected with the valve core, the valve core is rotatably arranged in the mounting cavity, the cross flow passage and the outlet flow passage can be controlled to be switched on and switched off by rotating the valve core, when the cross flow passage is communicated with the outlet flow passage, gas of the piston pump assembly is discharged through the outlet flow passage, when the cross flow passage is not communicated with the outlet flow passage, gas of the piston pump assembly enters the first pneumatic rod through the cross flow passage to drive the first pneumatic rod to extend, and accordingly the first cleaning strip can be rotated to a working position.
In one embodiment, the first pneumatic rod includes a first rod body, a first piston rod, and a first spring, the first rod body is fixed on the first connecting rod, the first rack is fixed on the first piston rod, the first piston rod is slidably disposed in the first rod body, the first spring is disposed in the first rod body, one end of the first spring abuts against the first rod body, the other end of the first spring abuts against the first piston rod, a connector H and a connector J are disposed on the first rod body, the connector H is communicated with the outside, the connector J is communicated with the flow channel D, and when the gas reversing component introduces gas into the first pneumatic rod, the first piston rod extends out and compresses the first spring.
In one embodiment, the cleaning mechanism further includes a second pneumatic rod, a second rack, a second control gear, and a second cleaning brush, the second pneumatic rod is fixedly disposed on the second connecting rod and connected to the flow channel D through a hose, the second rack is fixedly disposed on the second pneumatic rod, the second pneumatic rod can drive the second rack to translate along with the extension of the second pneumatic rod, the second control gear is rotatably disposed on the second connecting rod and fixedly connected to the second cleaning brush, the second control gear is engaged with the second rack, the second control gear can be driven to rotate along with the movement of the second rack, so as to drive the second cleaning brush to rotate, and when the second cleaning brush rotates to the working position, the second cleaning brush can clean the surface of the display card along with the swing of the display card.
In one embodiment, the second pneumatic rod includes a second rod body, a second piston rod, and a second spring, the second rod body is fixed to the second connecting rod, the second rack is fixed to the second piston rod, the second piston rod is slidably disposed in the second rod body, the second spring is disposed in the second rod body, one end of the second spring abuts against the second rod body, the other end of the second spring abuts against the second piston rod, a connecting port K and a connecting port L are disposed on the second rod body, the connecting port K is communicated with the outside, the connecting port L is communicated with the flow channel D, and when the gas reversing component introduces gas into the second pneumatic rod, the second piston rod extends out and compresses the second spring.
In one embodiment, the valve core is provided with a first arc-shaped groove, a second arc-shaped groove and a through groove, the through groove is communicated with the first arc-shaped groove and the second arc-shaped groove, the first arc-shaped groove and the second arc-shaped groove are respectively positioned on two sides of the valve core, and the first arc-shaped groove can be communicated with the flow passage E and the second arc-shaped groove can be communicated with the outlet flow passage by rotating the valve core, so that the flow passage E is communicated with the outlet flow passage.
In one embodiment, a connecting hole is formed in the fourth connecting rod, and the eccentric wheel is rotatably arranged in the connecting hole.
The invention has the advantages that:
1. by arranging the impeller, the impeller can rotate automatically when wind blows, so that driving force is provided for the work of the advertising board, external energy supply is not needed, and the energy-saving and environment-friendly advertising board is energy-saving;
2. by arranging the impeller and the connecting rod mechanism, when wind blows, the impeller rotates to drive the connecting rod mechanism to operate, so that the advertising board is driven to swing left and right, the attention of pedestrians passing by can be better attracted, and a better advertising effect is achieved;
3. by arranging the rotatable cleaning brush strip, when the surface of the advertising board needs to be cleaned, the cleaning brush strip is only required to be controlled to rotate to be collinear with the connecting rod and then positioned, and the cleaning brush strip can swing on the surface of the advertising board through relative swing between the connecting rod and the advertising board, so that the surface of the advertising board is cleaned, automatic cleaning can be realized, and manpower is not required;
4. by arranging the piston pump assembly and driving the piston to reciprocate through the sixth connecting rod, when wind blows, the connecting rod mechanism can drive the piston pump assembly to work, directional output airflow is output, meanwhile, by arranging the gas reversing assembly, the worm drives the turbine to rotate when the impeller rotates, and further the valve core can be driven to rotate, when the valve core rotates to an opening position, high-pressure gas generated by the piston pump assembly is discharged to the atmosphere through the valve core, the first pneumatic rod and the second pneumatic rod are in a contraction state under the action of the first spring and the second spring, the rack and the control gear drive the cleaning brush strip to rotate to a non-working position, when the valve core rotates to a closing position, the high-pressure gas generated by the piston pump assembly enters the first pneumatic rod and the second pneumatic rod through a pipeline, the spring is overcome to push the piston rod to extend, so that the rack drives the gear to rotate, the cleaning brush strip is rotated to a working position, so that the automatic control over the cleaning brush strip is realized, and by the continuous rotation of the valve core, the intermittent cleaning brush strip is realized to clean the display board.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 2 in accordance with the present invention;
FIG. 5 is a sectional view of the structure of the first pneumatic rod of the present invention
FIG. 6 is a state diagram of the present invention controlling the display board to swing to one side;
fig. 7 is a state view of the cleaning brush bar of the present invention in an operating state.
In the figure, the base 1, the impeller 11, the support base 12, the cross flow passage 121, the outlet flow passage 122, the first belt pulley 31, the second belt pulley 32, the belt 33, the eccentric wheel 41, the fourth connecting rod 42, the sixth connecting rod 43, the fifth connecting rod 44, the connecting shaft 45, the first connecting rod 51, the second connecting rod 52, the third connecting rod 53, the first cleaning brush strip 54, the second cleaning brush strip 55, the display board 2, the first pneumatic rod 61, the first rod 611, the first piston rod 612, the first spring 613, the second pneumatic rod 62, the second rod 621, the second piston rod 622, the second spring 623, the first rack 63, the second rack 64, the first control gear 65, the second control gear 66, the piston pump assembly 7, the pump body 71, the piston 72, the first check valve 73, the second check valve 74, the worm 81, the turbine 82, the pneumatic valve core 91, the first strip-shaped groove 911, the second strip-shaped groove 912, and the pressure valve 92 are illustrated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 5, the present invention discloses a billboard, which includes: a base 1; the driving mechanism is arranged on the base 1 and comprises an impeller 11, the impeller 11 is rotationally arranged on the base 1, and the impeller 11 can be driven to rotate through air flow; the link mechanism is arranged on the base 1 and comprises a first link 51, a second link 52 and a third link 53, and one end of each of the first link 51, the second link 52 and the third link 53 is hinged on the base 1; display card 2, first connecting rod 51, second connecting rod 52, third connecting rod 53 are kept away from the one end of base 1 all articulate in on the display card 2, just first connecting rod 51, second connecting rod 52, third connecting rod 53 parallel arrangement, link mechanism with actuating mechanism connects, impeller 11 is rotatory, can drive link mechanism, and then drive show 2 reciprocal sways from side to side.
It can be understood that when the air flows to rotate the impeller 11, the driving mechanism can drive the first link 51 to swing, and the first link 51, the second link 52 and the third link 53 are arranged in parallel, so that the display board 2 can stably swing left and right when the first link 51 swings.
Preferably, the drive mechanism further comprises: first belt pulley 31, second belt pulley 32, belt 33, eccentric wheel 41, first belt pulley 31 with the coaxial fixed connection of impeller 11, eccentric wheel 41 swivelling joint in on the base 1, second belt pulley 32 with the coaxial fixed connection of eccentric wheel 41, belt 33 connects first belt pulley 31 and second belt pulley 32, thereby, when impeller 11 is rotatory, through first belt pulley 31 and second belt pulley 32 can drive eccentric wheel 41 is rotatory.
Preferably, the link mechanism further includes a fourth connecting rod 42, a fifth connecting rod 44 and a connecting shaft 45, the fourth connecting rod 42 is rotatably connected to the eccentric wheel 41, when the eccentric wheel 41 rotates, the fourth connecting rod 42 can be driven to move, the fifth connecting rod 44 is fixedly connected to the first connecting rod 51, one end of the fourth connecting rod 42, which is far away from the eccentric wheel 41, is rotatably connected to the fifth connecting rod 44, the eccentric wheel 41 can drive the fifth connecting rod 44 to swing through the fourth connecting rod 42 by rotating, and the display board 2 is driven to swing through the first connecting rod 51.
Preferably, the billboard further comprises a cleaning mechanism, the cleaning mechanism comprises a piston pump assembly 7, a gas reversing assembly, a first pneumatic rod 61, a first rack 63, a first control gear 65, a first cleaning brush bar 54,
the piston pump assembly 7 comprises a sixth connecting rod 43, a pump body 71, a piston 72, a first check valve 73, and a second check valve 74, wherein the pump body 71 is fixedly disposed on the base 1, the piston 72 is slidably disposed in the pump body 71, one end of the sixth connecting rod 43 is rotatably connected to the eccentric wheel 41, the other end of the sixth connecting rod 43 is rotatably connected to the piston 72, the pump body 71 is opened with an inlet a and an outlet B, the first check valve 73 is disposed at the inlet a, the second check valve 74 is disposed at the outlet B, the eccentric wheel 41 can rotate to drive the piston 72 to reciprocate in the pump body 71, so that air can enter the pump body 71 from the inlet a in one direction, and then is discharged from the outlet B out of the pump body 71,
the gas reversing assembly is arranged on the base 1 and connected with the driving mechanism, the outlet B is connected with the gas reversing assembly through a hose, the gas reversing assembly is connected with the first pneumatic rod 61 through a hose, the driving mechanism can drive the gas reversing assembly to reverse, so that the first pneumatic rod 61 can be controlled to extend or shorten,
first pneumatic rod 61 fixed set up in on the first connecting rod 51, first rack 63 fixed set up in on the first pneumatic rod 61, along with first pneumatic rod 61 extension can drive first rack 63 translation, first control gear 65 rotatory set up in on the first connecting rod 51, and with first cleaning brush strip 54 fixed connection, first control gear 65 with first rack 63 meshes, along with first rack 63's removal can drive first control gear 65 is rotatory, and then drives first cleaning brush strip 54 is rotatory, works as when first cleaning brush strip 54 is rotatory to the operating position, along with the rocking of show tablet 2, first cleaning brush strip 54 can be right show tablet 2 surface cleans.
It will be appreciated that the cleaning mechanism may be provided to clean the display card 2 by being driven by the impeller 11.
It should be noted that the first cleaning brush bar 54 is fixed to the first link 51 when in the working position, and when the display board 2 swings, the first link 51 rotates reciprocally with respect to the display board 2, so that the first cleaning brush bar 54 swings reciprocally with respect to the display board 2, thereby cleaning the display board 2.
Preferably, as shown in fig. 2 and 3, the gas reversing assembly includes a support base 12, a valve core 91, a pressure valve 92, a turbine 82, and a worm 81, a mounting cavity, a cross flow channel 121, and an outlet flow channel 122 are formed in the support base 12, four flow channels of the cross flow channel 121 are a flow channel C, a flow channel D, a flow channel E, and a flow channel F, the flow channels C, D, E, and F are respectively communicated with an outlet a, a first pneumatic rod 61, the mounting cavity, and the pressure valve 92, the outlet flow channel 122 is communicated with the mounting cavity, the worm 81 is fixedly connected with the impeller 11, the turbine 82 is rotatably connected to the base 1 and is fixedly connected with the valve core 91, the valve core 91 is rotatably disposed in the mounting cavity, by rotating the valve core 91, the cross flow channel 121 and the outlet flow channel 122 can be controlled to be opened or closed, when the cross flow channel 121 is communicated with the outlet flow channel 122, gas of the piston pump assembly 7 is discharged through the outlet flow channel 122, and when the cross flow channel 121 is not communicated with the outlet flow channel 122, the cross flow channel 121 enters the first pneumatic rod 61, so that the first pneumatic rod 54 can be rotated to clean the first working position.
It should be noted that the cleaning brush bar can be rotated back and forth by providing the gas reversing assembly, so that the display board 2 can be intermittently cleaned. It is worth mentioning that when the display board 2 is cleaned by the cleaning brush bar, the display board 2 can be shielded, and in order to reduce the shielding of the display board 2 and ensure the cleaning effect, the cleaning brush bar is rotated in a reciprocating manner by arranging the gas reversing assembly, so that the display effect of the display board 2 is ensured.
It should be noted that, by providing the pressure valve 92, when the valve core 91 blocks the flow passage E and the outlet flow passage 122, the gas entering the cross flow passage 121 from the piston pump assembly 7 can be exhausted through the pressure valve 92, so as to avoid introducing the gas into the first pneumatic rod 61 and the second pneumatic rod 62 in the extended state, and thus to avoid the movement of the piston 72 being blocked.
Preferably, as shown in fig. 5, the first pneumatic rod 61 includes a first rod 611, a first piston rod 612, and a first spring 613, the first rod 611 is fixed on the first connecting rod 51, the first rack 63 is fixed on the first piston rod 612, the first piston rod 612 is slidably disposed in the first rod 611, the first spring 613 is disposed in the first rod 611, one end of the first spring is abutted to the first rod 611, the other end of the first spring is abutted to the first piston rod 612, a connection port H and a connection port J are disposed on the first rod 611, the connection port H is communicated with the outside, the connection port J is communicated with the flow channel D, and when the gas reversing component introduces gas into the first pneumatic rod 61, the first piston rod 612 extends out and compresses the first spring 613.
Preferably, the cleaning mechanism further includes a second pneumatic rod 62, a second rack 64, a second control gear 66, and a second cleaning brush bar 55, the second pneumatic rod 62 is fixedly disposed on the second connecting rod 52 and connected to the flow channel D through a hose, the second rack 64 is fixedly disposed on the second pneumatic rod 62, the second pneumatic rod 62 can drive the second rack 64 to translate along with the extension of the second pneumatic rod 62, the second control gear 66 is rotatably disposed on the second connecting rod 52 and fixedly connected to the second cleaning brush bar 55, the second control gear 66 is engaged with the second rack 64, the second control gear 66 can be driven to rotate along with the movement of the second rack 64, and further drive the second cleaning brush bar 55 to rotate, and when the second cleaning brush bar 55 is rotated to the working position, the second cleaning brush bar 55 can clean the surface of the display card 2 along with the swing of the display card 2.
Preferably, as shown in fig. 4, the second pneumatic rod 62 includes a second rod 621, a second piston rod 622, and a second spring 623, the second rod 621 is fixed to the second connecting rod 52, the second rack 64 is fixed to the second piston rod 622, the second piston rod 622 is slidably disposed in the second rod 621, the second spring 623 is disposed in the second rod 621, and one end of the second spring is abutted to the second rod 621, the other end of the second spring is abutted to the second piston rod 622, the second rod 621 is provided with a connecting port K and a connecting port L, the connecting port K is communicated with the outside, the connecting port L is communicated with the flow channel D, and when the gas reversing component passes gas into the second pneumatic rod 62, the second piston rod 622 extends out and compresses the second spring 623.
It can be understood that the first pneumatic rod 61 and the second pneumatic rod 62 have the same structure, and the connection port L and the connection port J are both communicated with the flow passage D, and in this embodiment, the connection port L, the connection port J, and the flow passage D are connected by a three-way pipe.
Preferably, the valve core 91 is provided with a first arc-shaped groove 911, a second arc-shaped groove 912 and a through groove 913, the through groove 913 communicates the first arc-shaped groove 911 with the second arc-shaped groove 912, the first arc-shaped groove 911 and the second arc-shaped groove 912 are respectively located at two sides of the valve core 91, and by rotating the valve core 91, the first arc-shaped groove 911 can be communicated with the flow passage E, the second arc-shaped groove 912 is communicated with the outlet flow passage 122, and thus the flow passage E is communicated with the outlet flow passage 122.
It should be noted that when the impeller 11 keeps rotating, the valve core 91 can keep the communication state between the flow passage E and the outlet flow passage 122 for a certain time by providing the first arc-shaped groove 911 and the second arc-shaped groove 912.
Preferably, the fourth connecting rod 42 is provided with a connecting hole, and the eccentric wheel 41 is rotatably disposed in the connecting hole.
The working mode of the invention is as follows:
as shown in fig. 1 and fig. 2, an impeller 11 is rotatably disposed on the base 1, the impeller 11 is driven by the air flow to rotate, so that the eccentric wheel 41 is driven by the first belt pulley 31 and the second belt pulley 32 to rotate synchronously, because the worm 81 is fixedly connected with the impeller 11, the impeller 11 can simultaneously drive the valve core 91 to rotate,
the rotation of the eccentric wheel 41 can drive the fourth connecting rod 42 and the sixth connecting rod 43 to move synchronously, the fourth connecting rod 42 can drive the display board 2 to swing, the sixth connecting rod 43 can drive the piston 72 to reciprocate, and gas is output to the gas reversing assembly, so that the first cleaning brush bar 54 and the second cleaning brush bar 55 can be controlled to intermittently rotate synchronously, and the working state and the non-working state can be switched.
As shown in fig. 6, when the display card 2 is in a swinging state, when the gas reversing assembly passes air into the first pneumatic rod 61 and the second pneumatic rod 62, the first cleaning brush bar 54 and the second cleaning brush bar 55 can rotate to the state shown in fig. 7, so that the first cleaning brush bar 54 and the second cleaning brush bar 55 can sweep the surface of the display card 2 when the display card 2 continues to swing.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. A billboard, characterized in that said billboard comprises:
a base;
the driving mechanism is arranged on the base and comprises an impeller, the impeller is rotationally arranged on the base and can be driven to rotate through air flow;
the connecting rod mechanism is arranged on the base and comprises a first connecting rod, a second connecting rod and a third connecting rod, and one end of each of the first connecting rod, the second connecting rod and the third connecting rod is hinged to the base;
the display board, one end of the first connecting rod, one end of the second connecting rod and one end of the third connecting rod, which are far away from the base, are all hinged on the display board, and the first connecting rod, the second connecting rod and the third connecting rod are arranged in parallel,
the connecting rod mechanism is connected with the driving mechanism, and the impeller rotates to drive the connecting rod mechanism and further drive the display board to swing left and right in a reciprocating manner.
2. A billboard according to claim 1, in which the drive mechanism further comprises: first belt pulley, second belt pulley, belt, eccentric wheel, first belt pulley with the coaxial fixed connection of impeller, eccentric wheel swivelling joint in on the base, the second belt pulley with the coaxial fixed connection of eccentric wheel, the belt is connected first belt pulley and second belt pulley, thereby, work as during the impeller is rotatory, through first belt pulley and second belt pulley can drive the eccentric wheel is rotatory.
3. A billboard according to claim 2, wherein the linkage further comprises a fourth link, a fifth link, and a connecting shaft, the fourth link is rotatably connected to the eccentric wheel, the fourth link can be driven to move when the eccentric wheel rotates, the fifth link is fixedly connected to the first link, one end of the fourth link, which is far away from the eccentric wheel, is rotatably connected to the fifth link, the eccentric wheel can drive the fifth link to swing by rotating the fourth link, and the display board is driven to swing by the first link.
4. A billboard according to claim 3, further comprising a cleaning mechanism comprising a piston pump assembly, a gas reversing assembly, a first pneumatic rod, a first rack, a first control gear, a first cleaning brush bar,
the piston pump assembly comprises a sixth connecting rod, a pump body, a piston, a first one-way valve and a second one-way valve, the pump body is fixedly arranged on the base, the piston is arranged in the pump body in a sliding manner, one end of the sixth connecting rod is rotatably connected to the eccentric wheel, the other end of the sixth connecting rod is rotatably connected to the piston, an inlet A and an outlet B are formed in the pump body, the first one-way valve is arranged at the inlet A, the second one-way valve is arranged at the outlet B, and the piston can be driven to reciprocate in the pump body through the rotation of the eccentric wheel, so that air can unidirectionally enter the pump body from the inlet A and then be discharged from the outlet B,
the gas reversing assembly is arranged on the base and connected with the driving mechanism, the outlet B is connected with the gas reversing assembly through a hose, the gas reversing assembly is connected with the first pneumatic rod through a hose, the driving mechanism can drive the gas reversing assembly to reverse, so that the first pneumatic rod can be controlled to extend or shorten,
first air movable rod fixed set up in on the first connecting rod, first rack fixed set up in on the first air movable rod, along with first air movable rod extension can drive first rack translation, first control gear rotatory set up in on the first connecting rod, and with first clean brush strip fixed connection, first control gear with first rack toothing, along with the removal of first rack can drive first control gear is rotatory, and then drives first clean brush strip is rotatory, works as when first clean brush strip is rotatory to the operating position, along with the rocking of show tablet, first clean brush strip can be right the show tablet surface is cleaned.
5. The billboard according to claim 4, wherein the gas reversing assembly comprises a support base, a valve core, a pressure valve, a turbine and a worm, a mounting cavity, a cross-shaped flow passage and an outlet flow passage are formed in the support base, the four flow passages of the cross-shaped flow passage are respectively a flow passage C, a flow passage D, a flow passage E and a flow passage F, the flow passage C, the flow passage D, the flow passage E and the flow passage F are respectively communicated with an outlet A, a first pneumatic rod, the mounting cavity and the pressure valve, the outlet flow passage is communicated with the mounting cavity, the worm is fixedly connected with the impeller, the turbine is rotatably connected to the base and is fixedly connected with the valve core, the valve core is rotatably arranged in the mounting cavity, the cross-shaped flow passage and the outlet flow passage can be controlled by rotating the valve core, when the cross-shaped flow passage is communicated with the outlet flow passage, gas of the piston pump assembly is discharged through the outlet flow passage, when the cross-shaped flow passage is not communicated with the outlet flow passage, the gas of the piston pump assembly enters the first pneumatic rod through the cross-shaped flow passage to drive the first pneumatic rod to extend, and the first cleaning brush bar can be rotated to the working position.
6. The signboard of claim 5, wherein the first pneumatic rod comprises a first rod body, a first piston rod and a first spring, the first rod body is fixed on the first connecting rod, the first rack is fixed on the first piston rod, the first piston rod is slidably disposed in the first rod body, the first spring is disposed in the first rod body, one end of the first spring abuts against the first rod body, the other end of the first spring abuts against the first piston rod, a connector H and a connector J are disposed on the first rod body, the connector H is communicated with the outside, the connector J is communicated with the flow channel D, and when the gas reversing assembly leads gas into the first pneumatic rod, the first piston rod extends out and compresses the first spring.
7. The billboard according to claim 6, wherein the sweeping mechanism further comprises a second pneumatic rod, a second rack, a second control gear and a second cleaning brush bar, the second pneumatic rod is fixedly arranged on the second connecting rod and connected with the flow channel D through a hose, the second rack is fixedly arranged on the second pneumatic rod and can drive the second rack to translate along with the extension of the second pneumatic rod, the second control gear is rotatably arranged on the second connecting rod and is fixedly connected with the second cleaning brush bar, the second control gear is meshed with the second rack and can drive the second control gear to rotate along with the movement of the second rack so as to drive the second cleaning brush bar to rotate, and when the second cleaning brush bar rotates to the working position, the second cleaning brush bar can clean the surface of the display card along with the swinging of the display card.
8. The billboard according to claim 7, wherein the second pneumatic rod comprises a second rod body, a second piston rod and a second spring, the second rod body is fixed on the second connecting rod, the second rack is fixed on the second piston rod, the second piston rod is slidably arranged in the second rod body, the second spring is arranged in the second rod body, one end of the second spring is abutted against the second rod body, the other end of the second spring is abutted against the second piston rod, a connecting port K and a connecting port L are formed in the second rod body, the connecting port K is communicated with the outside, the connecting port L is communicated with the flow channel D, and when the gas reversing component introduces gas into the second pneumatic rod, the second piston rod extends out and compresses the second spring.
9. The billboard of claim 5, wherein the valve core is provided with a first arc-shaped groove, a second arc-shaped groove and a through groove, the through groove is communicated with the first arc-shaped groove and the second arc-shaped groove, the first arc-shaped groove and the second arc-shaped groove are respectively positioned at two sides of the valve core, and the first arc-shaped groove can be communicated with the flow passage E and the second arc-shaped groove can be communicated with the outlet flow passage by rotating the valve core, so that the flow passage E is communicated with the outlet flow passage.
10. A billboard according to claim 3, in which the fourth link is provided with a connecting hole, and the eccentric wheel is rotatably arranged in the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210848408.9A CN115206209A (en) | 2022-07-19 | 2022-07-19 | Advertising board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210848408.9A CN115206209A (en) | 2022-07-19 | 2022-07-19 | Advertising board |
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| CN115206209A true CN115206209A (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210848408.9A Pending CN115206209A (en) | 2022-07-19 | 2022-07-19 | Advertising board |
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| CN (1) | CN115206209A (en) |
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| CN110369343A (en) * | 2019-06-25 | 2019-10-25 | 安徽理工大学 | Solar panel dust-extraction unit |
| CN215114940U (en) * | 2021-04-17 | 2021-12-10 | 上海申狮物联网科技有限公司 | Digital display intelligent pressure sensor |
| CN215265507U (en) * | 2021-04-29 | 2021-12-21 | 深圳市壹魔方科技有限公司 | Signboard swing mechanism |
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2022
- 2022-07-19 CN CN202210848408.9A patent/CN115206209A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH091985A (en) * | 1995-06-20 | 1997-01-07 | Nec Eng Ltd | Electronic white board device |
| CN101311060A (en) * | 2008-05-14 | 2008-11-26 | 力帆实业(集团)股份有限公司 | Device for supplying air source for air controlled gear changing system |
| CN105509072A (en) * | 2016-02-03 | 2016-04-20 | 广东环葆嘉节能科技有限公司 | Rotary reversing valve and rotary heat-accumulation waste gas incinerator |
| CN106881288A (en) * | 2017-04-25 | 2017-06-23 | 赵润红 | A kind of outer billboard cleaning equipment of cultural medium user |
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| CN215114940U (en) * | 2021-04-17 | 2021-12-10 | 上海申狮物联网科技有限公司 | Digital display intelligent pressure sensor |
| CN215265507U (en) * | 2021-04-29 | 2021-12-21 | 深圳市壹魔方科技有限公司 | Signboard swing mechanism |
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