CN111445821B - Advertising board for taxi - Google Patents
Advertising board for taxi Download PDFInfo
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- CN111445821B CN111445821B CN202010371421.0A CN202010371421A CN111445821B CN 111445821 B CN111445821 B CN 111445821B CN 202010371421 A CN202010371421 A CN 202010371421A CN 111445821 B CN111445821 B CN 111445821B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F21/00—Mobile visual advertising
- G09F21/04—Mobile visual advertising by land vehicles
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
- G09F11/02—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles
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- Structures Of Non-Positive Displacement Pumps (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention belongs to the technical field of advertising boards, and particularly relates to an advertising board for a taxi, which comprises a base, a triangular advertising board, an adjusting mechanism and a wind energy mechanism, wherein the triangular advertising board can stop rotating and switching when the taxi runs at a high speed, and intermittently rotate and switch when the taxi runs at a low speed, so that the triangular advertising board can effectively propagate three-side advertisements, and the advertising benefit is greatly increased. In addition, the driver can promote through rotatory adjustable ring and be pushed away the ring to the compression capacity of increase first spring makes first pivot cross the time of stopper more and more long through spiral spring, drive cylinder and triangle driving lever in proper order, and the frequency that the drive cylinder drove the rotatory switching of triangle bill-board becomes slow, thereby satisfies the advertising effect of triangle bill-board under the different situation. The invention has simple structure and better use effect.
Description
Technical Field
The invention belongs to the technical field of advertising boards, and particularly relates to an advertising board for a taxi.
Background
At present, a billboard used on the roof of a taxi is a traditional fixed billboard with a non-LED screen. For the traditional fixed type non-LED screen billboard, the advertisement propaganda needs to be carried out by advertisement words posted on the billboard, and the advertisement words can only propagate two sides of the billboard at most, so that the advertisement effect of the traditional fixed type non-LED screen billboard is much worse than that of the fixed type LED billboard on the market; but the traditional fixed non-LED screen billboard also has certain advantages: it can not be used for advertising because of the failure of the LED advertising screen. In order to effectively expand the advertising effect of the conventional fixed non-LED panel billboard, a rotary conventional fixed non-LED panel billboard needs to be designed to increase the number of the slogans of the conventional fixed non-LED panel billboard and to switch them uninterruptedly, thereby making up for the problem of poor advertising effect.
The invention designs a billboard for a taxi, which solves the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a billboard for a taxi, which is realized by adopting the following technical scheme.
In the description of the present invention, it should be noted that the terms "inside", "below", "upper" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention usually place when using, and are only used for convenience of description and simplification of description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation or be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
A billboard for a taxi, comprising: the solar energy advertising board comprises a base, a first supporting plate, a fixed rod, a triangular advertising board, an adjusting mechanism and a wind energy mechanism, wherein the first supporting plate is fixedly arranged on the upper surface of one end of the base; one end of the fixed rod is arranged in the round hole of the first supporting plate through a bearing, and the other end of the fixed rod is fixedly provided with a triangular billboard; the adjusting mechanism and the wind energy mechanism are both arranged on the upper surface of the base, and the adjusting mechanism is positioned between the wind energy mechanism and the triangular billboard; one end of the adjusting mechanism is connected with the wind energy mechanism, and the other end of the adjusting mechanism is connected with the triangular billboard.
The wind energy mechanism comprises blades, a fifth supporting plate, a sixth supporting plate, a connecting rod, a first ring sleeve, a fixed shaft, a first centrifugal wheel, a second rotating shaft, a second gear, a centrifugal block, a first centrifugal spring and a first centrifugal chute, wherein the fifth supporting plate and the sixth supporting plate are both arranged on the upper surface of the base, and the fifth supporting plate is positioned at one end of the base; the sixth supporting plate is close to the adjusting mechanism; one end of the fixed shaft is arranged on the fifth supporting plate, and the other end of the fixed shaft is nested with the first ring sleeve; a plurality of blades are uniformly arranged on the outer circular surface of the first ring sleeve along the circumferential direction; the second rotating shaft is arranged in a circular hole of the sixth supporting plate through a bearing, and two ends of the second rotating shaft penetrate through the sixth supporting plate; one end of the second rotating shaft is nested with the first centrifugal wheel, and the other end of the second rotating shaft is fixedly provided with a second gear; one ends of the three connecting rods are respectively and fixedly arranged on the side surface of the first ring sleeve far away from the fifth supporting plate, and the other ends of the three connecting rods are respectively and fixedly arranged on the side surface of the first centrifugal wheel far away from the sixth supporting plate; the three connecting rods are uniformly distributed along the circumferential direction; the inner circular surface of the first centrifugal wheel is uniformly provided with three first centrifugal chutes along the circumferential direction; the three centrifugal blocks are respectively arranged in the three first centrifugal chutes in a sliding fit manner; one end of each of the three first centrifugal springs is respectively arranged on the three centrifugal blocks, and the other end of each of the three first centrifugal springs is respectively arranged on the bottom groove surfaces of the three first centrifugal chutes; the three first centrifugal springs are respectively positioned in the three first centrifugal chutes; the three centrifugal blocks are respectively matched with the second rotating shaft.
The adjusting mechanism comprises a driving cylinder, a one-way clutch ring, a support ring, a fixed ring sleeve, an adjusting ring, a first gear, a first rotating shaft, a fourth support plate, a third support plate, a second support plate, a volute spring, a triangular deflector rod, a limiting block, a guide groove, a first spring, a pushed ring, a limiting chute, an annular groove and an inclined plane, wherein the second support plate, the third support plate and the fourth support plate are fixedly arranged on the upper surface of the base, and the third support plate is positioned between the second support plate and the fourth support plate; the fourth supporting plate is close to a sixth supporting plate in the wind energy mechanism, and the second supporting plate is close to the triangular billboard; a support ring is fixedly arranged at one end of the second support plate far away from the base; a unidirectional clutch ring is arranged on the outer circular surface of the driving cylinder; the driving cylinder is arranged in the supporting ring through a one-way clutch ring; both ends of the driving cylinder penetrate out of the supporting rings; one end of the driving cylinder is connected with the side surface of the triangular billboard, and a triangular deflector rod is fixedly arranged on the outer circular surface of the other end; a fixed ring sleeve is fixedly arranged at one end of the third supporting plate far away from the base; the fixed ring sleeve is nested on the outer circular surface of the driving cylinder and is positioned between the support ring and the triangular deflector rod; the outer circle surface of the middle position of the fixed ring sleeve is provided with a ring groove; the inner circular surface of the ring groove is provided with an external thread; the adjusting ring is nested in the ring groove; the inner circular surface of the adjusting ring is provided with an internal thread; the internal thread on the adjusting ring is in threaded fit with the external thread on the ring groove; the pushed ring is nested in the ring groove; the side surface of the fixed ring sleeve close to the triangular shifting rod is uniformly provided with three limiting sliding grooves along the circumferential direction; the three limiting sliding chutes are communicated with the ring groove; two guide grooves are symmetrically formed in two sides of each limiting sliding groove; the pushed ring is positioned between the adjusting ring and the limiting sliding groove; the side surface of the pushed ring is in contact with the side surface of the adjusting ring.
The structure of each limiting chute in the fixed ring sleeve is the same, and for any one limiting chute, a limiting block is arranged in the limiting chute in a sliding fit manner; one end of the first spring is arranged on the limiting block, and the other end of the first spring is arranged on the side surface of the pushed ring; two guide blocks are symmetrically arranged on two side surfaces of one end, connected with the first spring, of the limiting block; the two guide blocks are respectively arranged in the guide grooves at two sides of the limiting sliding chute in a sliding fit manner; one end of the limiting block, which is far away from the first spring, is provided with an inclined plane; the inclined plane on the limiting block is matched with the triangular shifting rod.
The first rotating shaft, the first gear and the volute spiral spring in the adjusting mechanism are arranged as follows: the first rotating shaft is arranged in a round hole of the fourth supporting plate through a bearing, and two ends of the first rotating shaft penetrate through the fourth supporting plate; one end of the first rotating shaft is fixedly provided with a first gear, and the other end of the first rotating shaft is inserted into the driving cylinder; one end of the volute spiral spring is arranged on the outer circular surface of one end of the first rotating shaft, which is far away from the first gear, and the other end of the volute spiral spring is arranged on the inner circular surface of the driving cylinder;
the second gear is meshed with the first gear.
As a further improvement of the technology, the advertising board for the taxi also comprises a protective shell and an air inlet square groove, wherein the protective shell is arranged on the upper surface of the base; the wind energy mechanism and the adjusting mechanism are both positioned in the protective shell; an air inlet square groove is formed in the protective shell, and corresponding blades in the wind energy mechanism penetrate out of the air inlet square groove. The blades penetrate through the air inlet square groove, the blades at the upper end of the first ring sleeve can be blown by external wind, the blades at the lower end of the first ring sleeve cannot be blown by the external wind under the shielding of the protective shell, and therefore the blades on the first ring sleeve can be smoothly blown by the external wind to rotate, and the blades drive the first ring sleeve to rotate.
As a further improvement of the present technology, the triangular billboard is provided with a lighting system. The design is convenient for the taxi to pass through the lighting system at night, so that the pedestrian can still see the advertising words on the triangular billboard.
As a further improvement of the present technology, the first centrifugal spring is a compression spring; the first centrifugal spring is always in a compressed state. The design is that: firstly, when the first centrifugal wheel does not rotate, the centrifugal block tightly presses the second rotating shaft under the action of the first centrifugal spring; secondly, when the first centrifugal wheel rotates slowly, the extrusion force of the centrifugal block on the second rotating shaft can still ensure that the centrifugal block can drive the second rotating shaft to rotate after the pressure of the first centrifugal spring is offset by the centrifugal force generated by the centrifugal block; thirdly, when the first centrifugal wheel rotates rapidly, after the pressure of the first centrifugal spring is offset by the centrifugal force generated by the centrifugal block, the extrusion force of the centrifugal block on the second rotating shaft is insufficient to ensure that the centrifugal block can drive the second rotating shaft to rotate, and further the rotation of the first centrifugal wheel cannot drive the second rotating shaft to rotate through the centrifugal block.
As a further improvement of the technology, the inner circular surface of the pushed ring is a smooth surface; the surface of the pushed ring, which is contacted with the adjusting ring, is coated with lubricating oil. Because the internal thread on the adjustable ring is in thread fit with the external thread on the annular groove, when the adjustable ring is rotationally adjusted by a user, the adjustable ring moves towards the direction of the pushed ring along the axis of the fixed ring sleeve under the action of thread fit, and then the adjustable ring pushes the pushed ring to move towards the direction of the limiting block, so that the first spring is continuously compressed. The surface of the pushed ring, which is in contact with the adjusting ring, is coated with lubricating oil, so that when the adjusting ring pushes the pushed ring in a rotating manner, the adjusting ring cannot drive the pushed ring to rotate, and the first spring is guaranteed to be smoothly compressed. The inner round surface of the pushed ring is smooth so as to ensure that the pushed ring can be pushed smoothly.
As a further improvement of the present technology, the first spring is a compression spring, and the first spring is always in a compressed state.
As a further improvement of the technology, the diameter of the first gear is 15-18 times of that of the second gear. The design is that: in the process of rotation of the second gear, the second gear drives the first gear to rotate at a slower speed, so that the first gear can be driven to rotate for about one circle after the second gear rotates for many circles, and the first gear can drive the triangular shifting lever to cross the corresponding limiting block through the first rotating shaft, the volute spring and the driving cylinder after a period of time.
The design of a first ring sleeve, a connecting rod, a first centrifugal wheel, a first centrifugal spring, a centrifugal block, a second gear and a second rotating shaft is as follows: the first ring sleeve drives the first centrifugal wheel to rotate through the connecting rod, and the first centrifugal spring and the centrifugal block rotate along with the first centrifugal wheel; when the first ring sleeve rotates slowly, the first centrifugal wheel can drive the second rotating shaft to rotate through the centrifugal block, and the second rotating shaft drives the second gear to rotate; when the rotation speed of the first ring sleeve is gradually increased and reaches a certain critical value, the first centrifugal wheel cannot drive the second rotating shaft to rotate through the centrifugal block, and at the moment, the first centrifugal wheel still drives the first centrifugal spring and the centrifugal block to rotate.
The design of the adjusting ring, the pushed ring, the first spring, the guide block and the limiting block is as follows: because first spring is in compression state all the time, so the guide block can be located the deepest of guide slot under the effect of first spring and stopper to guarantee that the guide block can not break away from the guide slot, and then make the stopper can not break away from spacing spout under the power that resets of first spring. The adjustable ring promotes to be pushed away the ring and removes to the stopper direction, just so can further adjust the volume of being compressed of first spring to make the stopper by the extrusion enter into the strength of spacing spout bigger and bigger.
The invention relates to a design of a first gear, a first rotating shaft, a volute spiral spring, a driving cylinder, a triangular deflector rod, a limiting block and a one-way clutch ring, which comprises the following steps: the first gear drives the driving cylinder to rotate through the first rotating shaft and the volute spiral spring, the triangular deflector rod rotates along with the driving cylinder, and the rotating direction of the driving cylinder is set to be clockwise; the driving cylinder drives the triangular billboard to rotate clockwise; the design purpose of the unidirectional clutch ring is as follows: the driving cylinder is allowed to rotate clockwise, and the driving cylinder is forbidden to rotate anticlockwise, so that the triangular billboard is guaranteed not to rotate anticlockwise.
Inclined plane and triangle driving lever matched with effect on the stopper: firstly, when the first rotating shaft does not rotate and the driving cylinder does not rotate, the volute spiral spring is in a natural state, and the triangular deflector rod is in contact with the inclined plane of a limiting block; secondly, when the first rotating shaft rotates, the first rotating shaft drives the driving cylinder to rotate through the volute spiral spring, and at the moment, because the first spring is compressed, the triangular shifting lever on the driving cylinder is difficult to extrude the limiting block into the limiting sliding groove, so that the triangular shifting lever and the driving cylinder cannot rotate, and the volute spiral spring is compressed to store energy; thirdly, when the volute spiral spring is compressed to a certain amount, the volute spiral spring can completely push the limiting block into the limiting sliding groove by the poking force provided by the driving cylinder to the triangular poking rod, and then the first rotating shaft can cross the limiting block through the volute spiral spring, the driving cylinder and the triangular poking rod; fourthly, after the triangular shifting lever crosses the corresponding limit block, the driving cylinder and the triangular shifting lever can rapidly rotate to the position of the next limit block under the continuous rotation of the second rotating shaft and the reset of the volute spiral spring, and then the triangular shifting lever is contacted and matched with the inclined plane of the limit block again.
According to the invention, the larger the force of the limiting block which is extruded into the limiting sliding groove is, the larger the compression amount of the volute spiral spring needs to be, and finally the first rotating shaft needs more time to rotate and store energy, so that the time that the first rotating shaft sequentially passes through the limiting block through the volute spiral spring, the driving cylinder and the triangular shifting rod is longer and longer, the frequency of the driving cylinder driving the triangular advertising board to rotate and switch is slowed down, and the advertising effect of the triangular advertising board under different conditions is met.
The design of three stopper along circumferential direction for the rotation angle that the driving cylinder crossed behind each stopper through the triangle driving lever is 120 degrees, and then makes the rotation angle that the driving cylinder drove the triangle bill-board set at 120 degrees, satisfies the purpose that the triangle bill-board propagated the trilateral advertisement of triangle bill-board through rotatory switching.
The billboard is arranged on the top of a taxi. When the taxi does not run, the blade does not drive the first ring sleeve to rotate, the first rotating shaft does not rotate, the volute spiral spring is in a natural state, the triangular deflector rod is in contact with the inclined plane of the limiting block, and the advertisement surfaces on the two sides of the triangular billboard are publicized to the outside at the moment.
Setting: when a taxi runs, the blades are blown by wind to drive the first ring sleeve to rotate anticlockwise; when the running speed of the taxi reaches 30km/h, the first centrifugal wheel just can not drive the second rotating shaft to rotate through the centrifugal block.
When a taxi runs at a low speed, the blades are blown by wind to drive the first ring sleeve to rotate anticlockwise, the first ring sleeve drives the first centrifugal wheel to rotate anticlockwise through the connecting rod, the first centrifugal spring and the centrifugal block rotate along with the first centrifugal wheel, at the moment, the first centrifugal wheel can drive the second rotating shaft to rotate anticlockwise through the centrifugal block, and the second rotating shaft drives the first gear to rotate clockwise through the second gear. First gear drives first pivot clockwise rotation, and first pivot drives the driving barrel rotation through volute spiral spring, and because first spring is compressed this moment, the triangle driving lever on the driving barrel is difficult to extrude the stopper and enter into spacing spout, so triangle driving lever and driving barrel can not rotate, and volute spiral spring is compressed the energy storage. When the volute spiral spring is compressed to a certain amount, the volute spiral spring can completely enable the limiting block to be extruded into the limiting sliding groove through the poking force provided by the driving cylinder to the triangular poking rod, and then the first rotating shaft can cross the limiting block through the volute spiral spring, the driving cylinder and the triangular poking rod. After the limiting block is extruded into the limiting sliding groove and the triangular shifting rod passes over the limiting block, the limiting block moves and resets under the action of the first spring. After the triangle driving lever crosses the corresponding limiting block, the driving cylinder and the triangle driving lever can rapidly rotate to the position of the next limiting block under the continuous rotation of the second rotating shaft and the reset of the volute spiral spring, then the triangle driving lever is contacted and matched with the inclined plane of the limiting block again, and the rotating angle of the driving cylinder is 120 degrees at the moment. Then the driving cylinder drives the triangular billboard to rotate 120 degrees, the triangular billboard drives the fixed rod to rotate, and the triangular billboard is rotated and switched to propagate the advertisement on the other side of the triangular billboard. When the triangular billboard rotates and is switched next time, the process that the triangular deflector rod passes over the limiting block after the scroll spring is compressed to a certain amount is repeated.
When the running speed of the taxi exceeds 30km/h, the first ring sleeve drives the first centrifugal wheel to still rotate anticlockwise through the connecting rod, but the first centrifugal wheel cannot drive the second rotating shaft to rotate through the centrifugal block, so that the second rotating shaft does not rotate any more, the second rotating shaft does not input power any more, and the triangular billboard does not rotate and is switched. Such a design has the advantages that: when the running speed of the taxi exceeds 30km/h, pedestrians cannot easily see the advertising words of the triangular billboard clearly, the function of rotating and switching the triangular billboard has no better effect, and therefore, after the running speed of the taxi exceeds 30km/h, the triangular billboard stops rotating and switching. In addition, the design that the triangular billboard stops rotating also avoids the action that the triangular billboard still does not stop rotating and switching after the running speed of the taxi exceeds 30km/h, thereby reducing the structural wear of the triangular billboard caused by long-time rotating and switching; the service life of the related structure is prolonged equivalently when the triangular billboard is switched in a rotating way.
The one-way clutch ring can limit the counterclockwise rotation of the triangular billboard, and the clockwise rotation of the triangular billboard can pass through the corresponding limit block after the scroll spring stores enough energy; when the external action causes the clockwise rotation triangular billboard to be in, the clockwise rotation switching of the triangular billboard needs enough energy, so that the general external action is not enough to cause the clockwise rotation switching of the triangular billboard, thereby greatly reducing the possibility that the triangular billboard can be freely rotated and switched after being influenced by the external action. When the triangular billboard is switched clockwise, the driving cylinder can completely drive the triangular billboard to rotate 120 degrees quickly under the reset force of the scroll spring, and the reset action of the scroll spring can compensate the error of the triangular billboard during rotation switching, so that the triangular billboard is ensured to rotate 120 degrees every time.
Compared with the traditional billboard technology, the triangular billboard can stop rotating and switching when a taxi runs at a high speed, and intermittently rotate and switch when the taxi runs at a low speed, so that the triangular billboard can effectively propagate three-side advertisements, and the advertising benefit is greatly increased. In addition, the driver can promote through rotatory adjustable ring and be pushed away the ring to the compression capacity of increase first spring makes first pivot cross the time of stopper more and more long through spiral spring, drive cylinder and triangle driving lever in proper order, and the frequency that the drive cylinder drove the rotatory switching of triangle bill-board becomes slow, thereby satisfies the advertising effect of triangle bill-board under the different situation. The invention has simple structure and better use effect.
Drawings
Fig. 1 is an overall schematic view of a billboard.
Fig. 2 is a schematic sectional view of the whole billboard.
Fig. 3 is a schematic view of the blade in cooperation with the protective shell.
Fig. 4 is a schematic view of the adjustment mechanism and the wind energy mechanism installation.
Fig. 5 is an overall schematic view of the adjustment mechanism.
Fig. 6 is an overall sectional front view of the adjustment mechanism.
Fig. 7 is a first gear mounting schematic.
FIG. 8 is a one-way clutch ring installation schematic.
Fig. 9 is a cross-sectional view of a retaining ring.
Fig. 10 is a first spring installation schematic.
Fig. 11 is a schematic view of the triangular shift lever and the stopper.
FIG. 12 is a schematic view of the wind energy mechanism as a whole.
FIG. 13 is a schematic view of blade installation.
FIG. 14 is a first centrifugal wheel mounting schematic.
FIG. 15 is a schematic cross-sectional front view of the internal structure of the first centrifugal wheel.
FIG. 16 is a schematic view of the centrifugal block and the second shaft.
FIG. 17 is a schematic perspective view of a first centrifugal wheel.
Number designation in the figures: 1. a base; 2. a first support plate; 3. fixing the rod; 4. a triangular billboard; 5. a protective shell; 6. an air inlet square groove; 7. an adjustment mechanism; 8. a wind energy mechanism; 9. a blade; 10. a fifth support plate; 12. a sixth support plate; 15. a connecting rod; 16. a first loop; 17. a fixed shaft; 18. a first centrifugal wheel; 19. a second rotating shaft; 28. a second gear; 33. a centrifugal block; 34. a first centrifugal spring; 35. a first centrifugal chute; 42. a drive cylinder; 43. a unidirectional clutch ring; 44. a support ring; 45. fixing the loop; 46. an adjusting ring; 47. a first gear; 48. a first rotating shaft; 49. a fourth support plate; 50. a third support plate; 51. a second support plate; 52. a volute spiral spring; 53. a triangular deflector rod; 54. a limiting block; 55. a guide block; 56. a guide groove; 57. a first spring; 58. a pushed ring; 59. a limiting chute; 60. a ring groove; 61. a bevel.
Detailed Description
As shown in fig. 1, 2 and 4, the wind energy advertising board comprises a base 1, a first supporting plate 2, a fixing rod 3, a triangular advertising board 4, an adjusting mechanism 7 and a wind energy mechanism 8, wherein the first supporting plate 2 is fixedly arranged on the upper surface of one end of the base 1 as shown in fig. 1 and 2; one end of the fixed rod 3 is arranged in a round hole of the first supporting plate 2 through a bearing, and the other end is fixedly provided with a triangular billboard 4; as shown in fig. 2 and 4, the adjusting mechanism 7 and the wind energy mechanism 8 are both installed on the upper surface of the base 1, and the adjusting mechanism 7 is located between the wind energy mechanism 8 and the triangular billboard 4; one end of the adjusting mechanism 7 is connected with the wind energy mechanism 8, and the other end is connected with the triangular billboard 4.
As shown in fig. 12, 13, 14 and 15, the wind energy mechanism 8 includes a blade 9, a fifth support plate 10, a sixth support plate 12, a connecting rod 15, a first ring sleeve 16, a fixed shaft 17, a first centrifugal wheel 18, a second rotating shaft 19, a second gear 28, a centrifugal block 33, a first centrifugal spring 34 and a first centrifugal chute 35, as shown in fig. 12, wherein the fifth support plate 10 and the sixth support plate 12 are both mounted on the upper surface of the base 1, and the fifth support plate 10 is located at one end of the base 1; the sixth supporting plate 12 is close to the adjusting mechanism 7; as shown in fig. 13, one end of the fixed shaft 17 is mounted on the fifth supporting plate 10, and the other end is nested with the first ring 16; a plurality of vanes 9 are uniformly arranged on the outer circular surface of the first ring sleeve 16 along the circumferential direction; as shown in fig. 14, the second rotating shaft 19 is mounted in a circular hole of the sixth supporting plate 12 through a bearing, and both ends of the second rotating shaft 19 penetrate through the sixth supporting plate 12; one end of the second rotating shaft 19 is nested with the first centrifugal wheel 18, and the other end is fixedly provided with a second gear 28; as shown in fig. 12 and 13, one end of each of the three connecting rods 15 is fixedly mounted on the side of the first loop 16 away from the fifth support plate 10, and the other end is fixedly mounted on the side of the first centrifugal wheel 18 away from the sixth support plate 12; the three connecting rods 15 are uniformly distributed along the circumferential direction; as shown in fig. 15 and 17, the inner circumferential surface of the first centrifugal wheel 18 is uniformly opened with three first centrifugal chutes 35 in the circumferential direction; as shown in fig. 15 and 16, the three centrifugal blocks 33 are respectively installed in the three first centrifugal chutes 35 by a sliding fit manner; one ends of the three first centrifugal springs 34 are respectively mounted on the three centrifugal blocks 33, and the other ends are respectively mounted on the bottom groove surfaces of the three first centrifugal chutes 35; the three first centrifugal springs 34 are respectively positioned in the three first centrifugal chutes 35; as shown in fig. 15, three centrifugal blocks 33 are respectively engaged with the second rotating shaft 19.
As shown in fig. 5, 6 and 8, the adjusting mechanism 7 includes a driving cylinder 42, a one-way clutch ring 43, a supporting ring 44, a fixed ring sleeve 45, an adjusting ring 46, a first gear 47, a first rotating shaft 48, a fourth supporting plate 49, a third supporting plate 50, a second supporting plate 51, a volute spring 52, a triangular shift lever 53, a limit block 54, a guide block 55, a guide groove 56, a first spring 57, a pushed ring 58, a limit sliding groove 59, a ring groove 60 and a slope 61, as shown in fig. 5, wherein the second supporting plate 51, the third supporting plate 50 and the fourth supporting plate 49 are all fixedly mounted on the upper surface of the base 1, and the third supporting plate 50 is located between the second supporting plate 51 and the fourth supporting plate 49; the fourth supporting plate 49 is close to the sixth supporting plate 12 in the wind energy mechanism 8, and the second supporting plate 51 is close to the triangular billboard 4; as shown in fig. 5 and 8, a support ring 44 is fixedly mounted at one end of the second support plate 51 away from the base 1; as shown in fig. 6 and 8, a one-way clutch ring 43 is mounted on the outer circumferential surface of the driving cylinder 42; the driving cylinder 42 is mounted in the supporting ring 44 by means of a one-way clutch ring 43; both ends of the driving cylinder 42 penetrate through the supporting ring 44; as shown in fig. 4, one end of the driving cylinder 42 is connected to the side of the triangular billboard 4, as shown in fig. 8, and a triangular shift lever 53 is fixedly mounted on the outer circumferential surface of the other end; as shown in fig. 5 and 8, a fixing ring sleeve 45 is fixedly installed at one end of the third supporting plate 50 far away from the base 1; the fixed ring sleeve 45 is nested on the outer circular surface of the driving cylinder 42, and the fixed ring sleeve 45 is positioned between the support ring 44 and the triangular shifting lever 53; as shown in fig. 9, the outer circumferential surface of the middle of the fixing ring 45 is provided with a ring groove 60; the ring groove 60 has an external thread on its inner circumferential surface; as shown in fig. 6 and 10, the adjusting ring 46 is nested within the ring groove 60; the adjusting ring 46 has an internal thread on its inner circumferential surface; the internal threads on the adjusting ring 46 are in threaded engagement with the external threads on the ring groove 60; the pushed ring 58 is nested in the ring groove 60; as shown in fig. 8 and 9, the side surface of the fixed ring sleeve 45 close to the triangular shift lever 53 is uniformly provided with three limit sliding grooves 59 along the circumferential direction; the three limiting sliding chutes 59 are communicated with the annular groove 60; as shown in fig. 9, two guide grooves 56 are symmetrically formed on both sides of each of the stopper slide grooves 59; as shown in fig. 6, the pushed ring 58 is located between the adjusting ring 46 and the stop runner 59; the side of the pushed ring 58 contacts the side of the adjusting ring 46.
The structure of each position-limiting sliding groove 59 in the fixing ring sleeve 45 is the same, and for any one position-limiting sliding groove 59, as shown in fig. 6, 9 and 10, the position-limiting block 54 is installed in the position-limiting sliding groove 59 in a sliding fit manner; one end of the first spring 57 is mounted on the stopper 54, and the other end is mounted on the side surface of the pushed ring 58; two guide blocks 55 are symmetrically arranged on two side surfaces of one end of the limiting block 54 connected with the first spring 57; the two guide blocks 55 are respectively arranged in the guide grooves 56 at two sides of the limit sliding groove 59 in a sliding fit manner; the end of the stop block 54 away from the first spring 57 is provided with a slope 61; as shown in FIG. 11, the inclined surface 61 of the stopper 54 is engaged with the triangular lever 53.
The first rotating shaft 48, the first gear 47 and the spiral spring 52 of the adjusting mechanism 7 are installed as follows: as shown in fig. 7, the first rotating shaft 48 is mounted in a circular hole of the fourth supporting plate 49 through a bearing, and both ends of the first rotating shaft 48 penetrate through the fourth supporting plate 49; as shown in fig. 6 and 7, one end of the first rotating shaft 48 is fixedly mounted with the first gear 47, and the other end is inserted into the driving cylinder 42; as shown in fig. 7 and 8, one end of the spiral spring 52 is mounted on the outer circumferential surface of the first rotating shaft 48 at the end away from the first gear 47, and the other end is mounted on the inner circumferential surface of the driving cylinder 42;
as shown in fig. 5, the second gear 28 meshes with the first gear 47.
As shown in fig. 2 and 3, a signboard for a taxi further comprises a shield case 5 and an air intake square groove 6, wherein the shield case 5 is installed on the upper surface of the base 1; the wind energy mechanism 8 and the adjusting mechanism 7 are both positioned in the protective shell 5; an air inlet square groove 6 is formed in the protective shell 5, and corresponding blades 9 in the wind energy mechanism 8 penetrate out of the air inlet square groove 6. The blades 9 penetrating through the air inlet square groove 6 are designed in such a way that the blades 9 at the upper end of the first ring sleeve 16 can be blown by outside wind, and the blades 9 at the lower end of the first ring sleeve 16 cannot be blown by outside wind under the shielding of the protective shell 5, so that the blades 9 on the first ring sleeve 16 can be smoothly blown by outside wind to rotate, and the blades 9 drive the first ring sleeve 16 to rotate.
The triangular billboard 4 is provided with an illumination system. The design is convenient for the taxi to pass through the lighting system at night, so that the pedestrians can still see the advertising words on the triangular billboard 4.
The first centrifugal spring 34 is a compression spring; the first centrifugal spring 34 is always in a compressed state. The design is that: firstly, when the first centrifugal wheel 18 is not rotated, the centrifugal block 33 tightly presses the second rotating shaft 19 under the action of the first centrifugal spring 34; secondly, when the first centrifugal wheel 18 rotates slowly, after the pressure of the first centrifugal spring 34 is offset by the centrifugal force generated by the centrifugal block 33, the extrusion force of the centrifugal block 33 on the second rotating shaft 19 can still ensure that the centrifugal block 33 can drive the second rotating shaft 19 to rotate; third, when the first centrifugal wheel 18 rotates rapidly, after the centrifugal force generated by the centrifugal block 33 cancels the pressure of the first centrifugal spring 34, the pressing force of the centrifugal block 33 on the second rotating shaft 19 is not enough to ensure that the centrifugal block 33 can drive the second rotating shaft 19 to rotate, and further the rotation of the first centrifugal wheel 18 cannot drive the second rotating shaft 19 to rotate via the centrifugal block 33.
The inner circular surface of the pushed ring 58 is a smooth surface; the surface of the pushed ring 58 in contact with the adjusting ring 46 is coated with a lubricating oil. Since the internal thread of the adjusting ring 46 is threadedly engaged with the external thread of the annular groove 60, when the adjusting ring 46 is adjusted by the user, the adjusting ring 46 moves along the axis of the fixed ring sleeve 45 toward the pushed ring 58 under the action of the threaded engagement, and the adjusting ring 46 pushes the pushed ring 58 to move toward the stopper 54, so that the first spring 57 continues to be compressed. The surface of the pushed ring 58 in contact with the adjusting ring 46 is coated with a lubricating oil so that when the adjusting ring 46 rotationally pushes the pushed ring 58, the adjusting ring 46 does not rotate the pushed ring 58, thereby ensuring that the first spring 57 can be smoothly compressed. The inner circular surface of the pushed ring 58 is smooth to ensure that the pushed ring 58 can be pushed smoothly.
The first spring 57 is a compression spring, and the first spring 57 is always in a compressed state.
As shown in fig. 5, the diameter of the first gear 47 is 15 to 18 times the diameter of the second gear 28. The design is that: during the rotation of the second gear 28, the second gear 28 drives the first gear 47 to rotate at a slower speed, so as to ensure that the first gear 47 can be driven to rotate for about one turn after the second gear 28 rotates for many turns, so that the first gear 47 can drive the triangular shifting lever 53 to pass through the corresponding limit block 54 after a period of time elapses through the first rotating shaft 48, the spiral spring 52 and the driving cylinder 42.
The design of the first ring sleeve 16, the connecting rod 15, the first centrifugal wheel 18, the first centrifugal spring 34, the centrifugal block 33, the second gear 28 and the second rotating shaft 19 in the invention is as follows: the first ring sleeve 16 drives the first centrifugal wheel 18 to rotate through the connecting rod 15, and the first centrifugal spring 34 and the centrifugal block 33 rotate along with the first centrifugal wheel 18; when the first ring sleeve 16 rotates slowly, the first centrifugal wheel 18 can drive the second rotating shaft 19 to rotate through the centrifugal block 33, and the second rotating shaft 19 drives the second gear 28 to rotate; when the rotation speed of the first ring 16 gradually increases and reaches a certain threshold value, the first centrifugal wheel 18 cannot drive the second rotating shaft 19 to rotate via the centrifugal block 33, and at this time, the first centrifugal wheel 18 still drives the first centrifugal spring 34 and the centrifugal block 33 to rotate.
For the design of the adjusting ring 46, the pushed ring 58, the first spring 57, the guide block 55 and the stop block 54: because the first spring 57 is always in a compressed state, the guide block 55 is located at the deepest position of the guide groove 56 under the action of the first spring 57 and the limiting block 54, so that the guide block 55 is ensured not to be separated from the guide groove 56, and the limiting block 54 is further enabled not to be separated from the limiting sliding groove 59 under the reset force of the first spring 57. The adjustment ring 46 pushes the pushed ring 58 to move toward the stopper 54, so as to further adjust the amount of compression of the first spring 57, and thus the stopper 54 is pushed into the stopper chute 59 with a greater force.
The design of the first gear 47, the first rotating shaft 48, the volute spring 52, the driving cylinder 42, the triangular shift lever 53, the limit block 54 and the one-way clutch ring 43 in the invention is as follows: the first gear 47 drives the driving cylinder 42 to rotate through the first rotating shaft 48 and the spiral spring 52, and the triangular shift lever 53 rotates along with the driving cylinder 42, as shown in fig. 8, the rotating direction of the driving cylinder 42 at this time is set to be clockwise; the driving cylinder 42 drives the triangular billboard 4 to rotate clockwise; the design of the one-way clutch ring 43 aims at: the clockwise rotation of the driving cylinder 42 is allowed and the counterclockwise rotation of the driving cylinder 42 is prohibited, thereby ensuring that the triangular signboard 4 does not rotate counterclockwise.
Inclined plane 61 on stopper 54 and triangle driving lever 53 matched with effect: first, when the first rotating shaft 48 does not rotate and the driving cylinder 42 does not rotate, the spiral spring 52 is in a natural state, and the triangular shift lever 53 contacts with the inclined surface 61 of a stopper 54; secondly, when the first rotating shaft 48 rotates, the first rotating shaft 48 drives the driving cylinder 42 to rotate through the spiral spring 52, at this time, because the first spring 57 is compressed, the triangular shift lever 53 on the driving cylinder 42 is difficult to extrude the limiting block 54 into the limiting sliding groove 59, then the triangular shift lever 53 and the driving cylinder 42 cannot rotate, and the spiral spring 52 is compressed to store energy; thirdly, when the spiral spring 52 is compressed to a certain amount, the shifting force provided by the spiral spring 52 to the triangular shifting rod 53 through the driving cylinder 42 at this time can completely extrude the stopper 54 into the stopper chute 59, and the first rotating shaft 48 can cross over the stopper 54 through the spiral spring 52, the driving cylinder 42 and the triangular shifting rod 53; fourthly, after the triangular shift lever 53 passes over the corresponding stopper 54, the driving cylinder 42 and the triangular shift lever 53 can be rapidly rotated to the position of the next stopper 54 under the continuous rotation of the second rotating shaft 19 and the return of the spiral spring 52, and then the triangular shift lever 53 is again in contact with and engaged with the inclined surface 61 of the stopper 54.
According to the invention, the increase and adjustment of the compression amount of the first spring 57 can ensure that the force of the limiting block 54 which is extruded into the limiting sliding groove 59 is larger, and further the compression amount of the scroll spring 52 is required to be larger, and finally the first rotating shaft 48 needs more time to rotate and store energy, so that the time that the first rotating shaft 48 sequentially passes through the limiting block 54 through the scroll spring 52, the driving cylinder 42 and the triangular shifting lever 53 is longer and longer, the frequency of the driving cylinder 42 driving the triangular advertising board 4 to rotate and switch is slower, and the advertising effect of the triangular advertising board 4 under different conditions is met.
The design of three stopper 54 along the circumferential direction for the rotation angle that the driving cylinder 42 crossed behind each stopper 54 through triangle driving lever 53 is 120 degrees, and then makes the rotation angle that the driving cylinder 42 drove triangle bill-board 4 set at 120 degrees, satisfies the purpose that triangle bill-board 4 propaganda triangle bill-board 4's trilateral advertisement through rotatory switching.
The specific implementation mode is as follows: the billboard is arranged on the top of a taxi. When the taxi is not running, the blade 9 does not drive the first ring sleeve 16 to rotate, the first rotating shaft 48 does not rotate, the volute spiral spring 52 is in a natural state, the triangular shifting rod 53 is in contact with the inclined surface 61 of the limiting block 54, and at the moment, the advertising surfaces on the two sides of the triangular advertising board 4 are publicized to the outside.
Setting: when the taxi runs, as shown in fig. 4, the blades 9 are blown by wind to drive the first ring sleeve 16 to rotate anticlockwise; when the running speed of the taxi reaches 30km/h, the first centrifugal wheel 18 just can not drive the second rotating shaft 19 to rotate through the centrifugal block 33.
When the taxi runs at a slow speed, as shown in fig. 4, the blade 9 is blown by wind to drive the first ring sleeve 16 to rotate counterclockwise, the first ring sleeve 16 drives the first centrifugal wheel 18 to rotate counterclockwise through the connecting rod 15, the first centrifugal spring 34 and the centrifugal block 33 rotate along with the first centrifugal wheel 18, at this time, the first centrifugal wheel 18 can drive the second rotating shaft 19 to rotate counterclockwise through the centrifugal block 33, as shown in fig. 5, the second rotating shaft 19 drives the first gear 47 to rotate clockwise through the second gear 28. As shown in fig. 5 and 6, the first gear 47 drives the first rotating shaft 48 to rotate clockwise, the first rotating shaft 48 drives the driving cylinder 42 to rotate through the spiral spring 52, at this time, because the first spring 57 is compressed, the triangular shift lever 53 on the driving cylinder 42 is difficult to extrude the limit block 54 into the limit sliding groove 59, so that the triangular shift lever 53 and the driving cylinder 42 cannot rotate, and the spiral spring 52 is compressed to store energy. When the spiral spring 52 is compressed to a certain amount, the shifting force of the spiral spring 52 provided to the triangular shifting lever 53 through the driving cylinder 42 can completely push the stopper 54 into the stopper chute 59, and the first rotating shaft 48 can pass over the stopper 54 through the spiral spring 52, the driving cylinder 42 and the triangular shifting lever 53. After the stopper 54 is pressed into the stopper sliding groove 59 and the triangular shift lever 53 passes over the stopper 54, the stopper 54 is moved to be reset by the reset action of the first spring 57. After the triangular shift lever 53 passes over the corresponding stopper 54, the driving cylinder 42 and the triangular shift lever 53 can be rapidly rotated to the position of the next stopper 54 under the continuous rotation of the second rotating shaft 19 and the return of the spiral spring 52, and then the triangular shift lever 53 is again in contact with and matched with the inclined surface 61 of the stopper 54, and the rotation angle of the driving cylinder 42 is 120 degrees. Then the driving cylinder 42 drives the triangular billboard 4 to rotate 120 degrees, the triangular billboard 4 drives the fixing rod 3 to rotate, and the triangular billboard 4 is switched to propagate the advertisement on the other side of the triangular billboard 4. When the triangular billboard 4 is switched to rotate next time, the process that the scroll spring 52 is compressed to a certain amount and then the triangular shift lever 53 goes over the limit block 54 is repeated.
When the running speed of the taxi exceeds 30km/h, the first loop 16 drives the first centrifugal wheel 18 to still rotate anticlockwise through the connecting rod 15, but the first centrifugal wheel 18 cannot drive the second rotating shaft 19 to rotate through the centrifugal block 33, so that the second rotating shaft 19 does not rotate any more, the second rotating shaft 19 does not input power any more, and the triangular billboard 4 does not rotate and switch any more. Such a design has the advantages that: when the running speed of the taxi exceeds 30km/h, pedestrians cannot easily see the advertising words of the triangular advertising board 4 clearly, the function of rotating and switching the triangular advertising board 4 has no better effect, and therefore, after the running speed of the taxi exceeds 30km/h, the triangular advertising board 4 stops rotating and switching. In addition, the design that the triangular billboard 4 stops rotating also avoids the action that the triangular billboard 4 still does not stop rotating and switching after the running speed of the taxi exceeds 30km/h, thereby reducing the structural wear of the triangular billboard 4 caused by long-time rotating and switching; the service life of the related structure is prolonged when the triangular billboard 4 is switched in rotation.
The one-way clutch ring 43 of the present invention can limit the counterclockwise rotation of the triangular billboard 4, and the clockwise rotation of the triangular billboard 4 requires the spiral spring 52 to store enough energy before it can pass the corresponding limit block 54; when the external action causes the clockwise rotation of the triangular billboard 4, the clockwise rotation of the triangular billboard 4 needs enough energy, so that the general external action is not enough to cause the clockwise rotation of the triangular billboard 4 to switch, thereby greatly reducing the possibility that the triangular billboard 4 can be freely rotated and switched after being influenced by the external action. When the triangular billboard 4 is switched clockwise, the driving cylinder 42 can completely drive the triangular billboard 4 to rotate 120 degrees quickly under the reset force of the spiral spring 52, and the reset action of the spiral spring 52 can make up the error when the triangular billboard 4 is switched rotationally, so that the triangular billboard 4 is ensured to rotate 120 degrees every time.
In conclusion, the invention has the main beneficial effects that: the triangular billboard 4 of the invention can stop rotating and switching when the taxi runs at high speed, and intermittently rotate and switch when the taxi runs at low speed, so that the triangular billboard 4 can effectively publicize three-side advertisements, thereby greatly increasing the advertising benefit. In addition, the driver can push the pushed ring 58 by rotating the adjusting ring 46, so as to increase the compression amount of the first spring 57, so that the time that the first rotating shaft 48 sequentially passes through the limiting block 54 through the spiral spring 52, the driving cylinder 42 and the triangular shifting lever 53 is longer and longer, the frequency of the driving cylinder 42 driving the triangular advertising board 4 to rotate and switch is slower, and the advertising effect of the triangular advertising board 4 under different conditions is met. The invention has simple structure and better use effect.
Claims (4)
1. A billboard for a taxi comprises a base, a fixed rod and a triangular billboard, wherein a first supporting plate is fixedly arranged on the upper surface of one end of the base; one end of the fixed rod is arranged in the round hole of the first supporting plate through a bearing, and the other end of the fixed rod is fixedly provided with a triangular billboard; the method is characterized in that: the device comprises an adjusting mechanism and a wind energy mechanism, wherein the adjusting mechanism and the wind energy mechanism are both arranged on the upper surface of a base, and the adjusting mechanism is positioned between the wind energy mechanism and a triangular billboard; one end of the adjusting mechanism is connected with the wind energy mechanism, and the other end of the adjusting mechanism is connected with the triangular billboard;
the wind energy mechanism comprises blades, a fifth supporting plate, a sixth supporting plate, a connecting rod, a first ring sleeve, a fixed shaft, a first centrifugal wheel, a second rotating shaft, a second gear, a centrifugal block, a first centrifugal spring and a first centrifugal chute, wherein the fifth supporting plate and the sixth supporting plate are both arranged on the upper surface of the base, and the fifth supporting plate is positioned at one end of the base; the sixth supporting plate is close to the adjusting mechanism; one end of the fixed shaft is arranged on the fifth supporting plate, and the other end of the fixed shaft is nested with the first ring sleeve; a plurality of blades are uniformly arranged on the outer circular surface of the first ring sleeve along the circumferential direction; the second rotating shaft is arranged in a circular hole of the sixth supporting plate through a bearing, and two ends of the second rotating shaft penetrate through the sixth supporting plate; one end of the second rotating shaft is nested with the first centrifugal wheel, and the other end of the second rotating shaft is fixedly provided with a second gear; one ends of the three connecting rods are respectively and fixedly arranged on the side surface of the first ring sleeve far away from the fifth supporting plate, and the other ends of the three connecting rods are respectively and fixedly arranged on the side surface of the first centrifugal wheel far away from the sixth supporting plate; the three connecting rods are uniformly distributed along the circumferential direction; the inner circular surface of the first centrifugal wheel is uniformly provided with three first centrifugal chutes along the circumferential direction; the three centrifugal blocks are respectively arranged in the three first centrifugal chutes in a sliding fit manner; one end of each of the three first centrifugal springs is respectively arranged on the three centrifugal blocks, and the other end of each of the three first centrifugal springs is respectively arranged on the bottom groove surfaces of the three first centrifugal chutes; the three first centrifugal springs are respectively positioned in the three first centrifugal chutes; the three centrifugal blocks are respectively matched with the second rotating shaft;
the adjusting mechanism comprises a driving cylinder, a one-way clutch ring, a support ring, a fixed ring sleeve, an adjusting ring, a first gear, a first rotating shaft, a fourth support plate, a third support plate, a second support plate, a volute spring, a triangular deflector rod, a limiting block, a guide groove, a first spring, a pushed ring, a limiting chute, an annular groove and an inclined plane, wherein the second support plate, the third support plate and the fourth support plate are fixedly arranged on the upper surface of the base, and the third support plate is positioned between the second support plate and the fourth support plate; the fourth supporting plate is close to a sixth supporting plate in the wind energy mechanism, and the second supporting plate is close to the triangular billboard; a support ring is fixedly arranged at one end of the second support plate far away from the base; a unidirectional clutch ring is arranged on the outer circular surface of the driving cylinder; the driving cylinder is arranged in the supporting ring through a one-way clutch ring; both ends of the driving cylinder penetrate out of the supporting rings; one end of the driving cylinder is connected with the side surface of the triangular billboard, and a triangular deflector rod is fixedly arranged on the outer circular surface of the other end; a fixed ring sleeve is fixedly arranged at one end of the third supporting plate far away from the base; the fixed ring sleeve is nested on the outer circular surface of the driving cylinder and is positioned between the support ring and the triangular deflector rod; the outer circle surface of the middle position of the fixed ring sleeve is provided with a ring groove; the inner circular surface of the ring groove is provided with an external thread; the adjusting ring is nested in the ring groove; the inner circular surface of the adjusting ring is provided with an internal thread; the internal thread on the adjusting ring is in threaded fit with the external thread on the ring groove; the pushed ring is nested in the ring groove; the side surface of the fixed ring sleeve close to the triangular shifting rod is uniformly provided with three limiting sliding grooves along the circumferential direction; the three limiting sliding chutes are communicated with the ring groove; two guide grooves are symmetrically formed in two sides of each limiting sliding groove; the pushed ring is positioned between the adjusting ring and the limiting sliding groove; the side surface of the pushed ring is contacted with the side surface of the adjusting ring;
the structure of each limiting chute in the fixed ring sleeve is the same, and for any one limiting chute, a limiting block is arranged in the limiting chute in a sliding fit manner; one end of the first spring is arranged on the limiting block, and the other end of the first spring is arranged on the side surface of the pushed ring; two guide blocks are symmetrically arranged on two side surfaces of one end, connected with the first spring, of the limiting block; the two guide blocks are respectively arranged in the guide grooves at two sides of the limiting sliding chute in a sliding fit manner; one end of the limiting block, which is far away from the first spring, is provided with an inclined plane; the inclined plane on the limiting block is matched with the triangular shifting lever;
the first rotating shaft, the first gear and the volute spiral spring in the adjusting mechanism are arranged as follows: the first rotating shaft is arranged in a round hole of the fourth supporting plate through a bearing, and two ends of the first rotating shaft penetrate through the fourth supporting plate; one end of the first rotating shaft is fixedly provided with a first gear, and the other end of the first rotating shaft is inserted into the driving cylinder; one end of the volute spiral spring is arranged on the outer circular surface of one end of the first rotating shaft, which is far away from the first gear, and the other end of the volute spiral spring is arranged on the inner circular surface of the driving cylinder;
the second gear is meshed with the first gear;
the advertising board for the taxi also comprises a protective shell and an air inlet square groove, wherein the protective shell is arranged on the upper surface of the base; the wind energy mechanism and the adjusting mechanism are both positioned in the protective shell; an air inlet square groove is formed in the protective shell, and corresponding blades in the wind energy mechanism penetrate through the air inlet square groove;
the triangular billboard is provided with an illuminating system;
the first centrifugal spring is a compression spring; the first centrifugal spring is always in a compressed state.
2. A signboard for a taxi according to claim 1, wherein: the inner circle surface of the pushed ring is a smooth surface; the surface of the pushed ring, which is contacted with the adjusting ring, is coated with lubricating oil.
3. A signboard for a taxi according to claim 1, wherein: the first spring is a compression spring and is always in a compression state.
4. A signboard for a taxi according to claim 1, wherein: the diameter of the first gear is 15-18 times of that of the second gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010371421.0A CN111445821B (en) | 2018-09-20 | 2018-09-20 | Advertising board for taxi |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100156.1A CN109119002B (en) | 2018-09-20 | 2018-09-20 | Advertising board for taxi |
| CN202010371421.0A CN111445821B (en) | 2018-09-20 | 2018-09-20 | Advertising board for taxi |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811100156.1A Division CN109119002B (en) | 2018-09-20 | 2018-09-20 | Advertising board for taxi |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111445821A CN111445821A (en) | 2020-07-24 |
| CN111445821B true CN111445821B (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010371421.0A Active CN111445821B (en) | 2018-09-20 | 2018-09-20 | Advertising board for taxi |
| CN202010371415.5A Active CN111445820B (en) | 2018-09-20 | 2018-09-20 | Billboard device for taxi |
| CN201811100156.1A Active CN109119002B (en) | 2018-09-20 | 2018-09-20 | Advertising board for taxi |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010371415.5A Active CN111445820B (en) | 2018-09-20 | 2018-09-20 | Billboard device for taxi |
| CN201811100156.1A Active CN109119002B (en) | 2018-09-20 | 2018-09-20 | Advertising board for taxi |
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| CN (3) | CN111445821B (en) |
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| CN111341228B (en) * | 2020-04-23 | 2021-12-17 | 温州昊钢标牌有限公司 | Automatic switching content's bill-board |
| CN111402763B (en) * | 2020-04-23 | 2021-12-24 | 温州昊钢标牌有限公司 | Vertical billboard |
| CN112992002A (en) * | 2020-12-17 | 2021-06-18 | 盐城泓文广告传媒有限公司 | Strong wind resistant billboard bracket device |
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| CN108086895A (en) * | 2016-10-08 | 2018-05-29 | 南安市品龙新材料科技有限公司 | A kind of damping track |
| CN106952587A (en) * | 2017-05-22 | 2017-07-14 | 肇庆市智高电机有限公司 | A kind of electronic bill-board generated electricity based on tunnel wind power |
| CN108520697A (en) * | 2018-04-13 | 2018-09-11 | 杨昱恺 | A kind of Anti-wind advertising plate of dumpable early warning |
| CN108550324A (en) * | 2018-05-11 | 2018-09-18 | 东莞市松研智达工业设计有限公司 | A kind of anti-down tripod based on centre-of gravity shift |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111445820B (en) | 2021-11-05 |
| CN109119002A (en) | 2019-01-01 |
| CN111445821A (en) | 2020-07-24 |
| CN109119002B (en) | 2020-06-02 |
| CN111445820A (en) | 2020-07-24 |
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