Culture media outdoor advertising board cleaning device
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a cleaning device for a culture media outdoor billboard.
Background
The propagation medium, also called as "media", "media" or "media", refers to the carrier for propagating information, i.e. all forms of material tools for carrying and transmitting information from the propagator to the receiver in the information propagation process, and the culture media is an extension of the media industry, and the culture propagation and the communication between different cultures are performed through the media by using the modern propagation means. The outdoor advertisement is one of the most main propagation ways of culture media due to strong visual impact and rich and colorful expression forms. However, since the billboard is exposed outdoors for a long time, a large amount of dust or dirt is easily accumulated, which affects the appearance, and thus, the billboard needs to be cleaned regularly. The general mode that adopts at present is manual cleaning, and degree of automation is not high, and is inefficient, and the cleaning performance is not good only to carrying out the reciprocal washing of a direction to the bill-board under most circumstances moreover.
Disclosure of Invention
In order to solve one of the problems, the invention provides an automatic culture media outdoor billboard cleaning device with high cleaning efficiency, which adopts the following technical scheme:
the utility model provides a culture media user's outer bill-board belt cleaning device, include the bill-board and with bill-board fixed connection's stand, the one end of stand is equipped with dash board with ground fixed connection, the other end, including setting up the water delivery mechanism of bill-board below, the end-to-end connection of water delivery mechanism has the spray pipe, water delivery mechanism orders about the spray pipe sprays water, the spray pipe sets up the bottom of dash board, the spray pipe evenly is equipped with a plurality of shower nozzles, the water spray direction orientation of shower nozzle the bill-board, the top of bill-board is equipped with actuating mechanism, actuating mechanism's output is connected with wiper mechanism, the vertical setting of wiper mechanism, wiper mechanism is in actuating mechanism orders about down the edge the bill-board horizontal motion.
The technical scheme provided by the invention has the beneficial effects that the device can automatically clean the advertising board, has high cleaning speed and good effect, can be directly transformed on the existing advertising board equipment, and has good compatibility; through the actuating mechanism who sets up, order about wiper mechanism and carry out reciprocal washing about to the surface of bill-board to with the bill-board sanitization, through the water delivery mechanism who sets up, to the surface of bill-board spray water moist, further improved the cleaning performance of this device.
Furthermore, the cleaning mechanism comprises a scraper blade, bristles are arranged on two sides of the scraper blade along the length direction, the bristles face the billboard, a square hole is formed in the middle of the scraper blade, rectangular grooves are formed in two sides of the square hole along the length direction, a cleaning plate is arranged in the square hole in a sliding mode, sliding plates embedded in the rectangular grooves are arranged on two sides of the cleaning plate respectively, the bristles are arranged on the bottom surface of the cleaning plate, the top surface of the cleaning plate is hinged to one end of a first crank, the other end of the first crank is hinged to one end of a second crank, the other end of the second crank is provided with a connecting shaft, the connecting shaft is connected with an output shaft of a micro motor through a coupling, the micro motor is arranged on a support plate, the support plate is L-shaped and comprises two folded edges, one of the folded edges is provided with the micro motor, and the other folded edge is provided with a fixing plate, the fixed plate is connected with the face, far away from the advertising board, of the cleaning plate.
Adopt above-mentioned further technical scheme's beneficial effect is that, the scraper blade is when actuating horizontal motion down of actuating mechanism, and the cleaning plate is along scraper blade reciprocating motion under articulate drive, and the direction of motion of cleaning plate is perpendicular with the direction of motion of scraper blade to the realization is to the washing of bill-board equidirectional, further improves cleaning performance.
Furthermore, the driving mechanism comprises a bottom plate, a partition plate is vertically arranged on the bottom plate along the length direction, the bottom of the partition plate is fixedly connected with the bottom plate, and an L-shaped connecting plate is arranged at the top of the partition plate, the L-shaped connecting plate comprises two bending parts, one bending part is provided with a first slide way, the other bending part is provided with a second slide way, two ends of the second slide way are respectively provided with a positioning block, the distance between the two positioning blocks can be adjusted, the first slide way is connected with a sliding block, one side face of the sliding block is provided with a bulge embedded into the first slide way, a connecting plate is arranged on the side face of the sliding block opposite to the bulge, and the connecting plate is detachably connected with the cleaning mechanism;
the top of the sliding block is fixedly provided with a movable plate, the movable plate extends to be in contact connection with the edge of the second slide rail, one end of the top surface of the movable plate is provided with two parallel limiting columns, the other end of the top surface of the movable plate is provided with a round table, the round table is sleeved with a driving rod and an L-shaped stirring piece, the top of the round table is provided with a limiting lug for preventing the driving rod and the L-shaped stirring piece from being separated, the driving rod is located between the two limiting columns, the end part, away from the round table, of the driving rod is provided with a second fixing column, the L-shaped stirring piece comprises two bending parts, one bending part is provided with a first fixing column at the end part away from the round table, the middle part of the other bending part is provided with a U-shaped notch, the opening direction of the U-shaped notch is perpendicular to the other bending part, a tension spring is arranged between the first fixing column and the second fixing column, and two ends of the tension spring are respectively in contact connection with the first fixing column, The second fixing column is fixedly connected;
the side face of the sliding block adjacent to the bulge is provided with a boss, the boss is sleeved with a connecting rod, the boss is provided with a limiting bulge for preventing the connecting rod from being separated, the connecting rod is vertically arranged, the top end of the connecting rod is provided with a positioning pin, the bottom end of the connecting rod is provided with two clamping blocks, the clamping blocks are provided with arc notches, the opening directions of the arc notches are opposite and are perpendicular to the separating plate, the arc surfaces of the arc notches are provided with internal threads, and the positioning pin is positioned in the U-shaped notch and is in contact connection with the inner wall of the U-shaped notch;
the utility model discloses a lead screw, including first lead screw, second lead screw, fixture block, arc breach, bottom plate, driving motor, driving gear meshing, first driven gear, second driven gear, fixture block, two arc breach respectively with first lead screw the second lead screw sets up relatively, and the bottom plate is equipped with driving motor, driving motor fixes the bottom plate, driving motor's output shaft has the pivot through the coupling joint, the other end of pivot is equipped with the driving gear, driving gear meshing is connected with first driven gear, first driven gear meshing is connected with second driven gear, first driven gear second driven gear respectively with first lead screw, the coaxial setting of second lead screw, first lead screw be equipped with two between the second lead screw the fixture block, two the arc breach respectively with first lead screw the second lead screw sets up relatively.
The clamping block is fixed on the first lead screw or the second lead screw by utilizing the resilience force generated when the tension spring is stretched, and the first lead screw and the second lead screw are driven by a driving motor at the same time and have opposite rotation directions, so that the left-right reciprocating motion of the clamping block can be realized; the second slide way is mainly used for providing a fixed direction for the movement of the positioning block and cannot be separated from the first slide way; the arranged positioning block is mainly matched with the shifting rod to limit the range of the left-right movement of the sliding block; the first slide way is mainly used for providing a fixed direction for the movement of the slide block, and the bulge arranged on the slide block is embedded in the first slide way, so that the slide block cannot be separated while moving along the first slide way; the connecting plate is mainly used for realizing detachable connection with the cleaning mechanism, so that the cleaning mechanism is convenient to store and install; the arranged moving plate extends to the edge of the second slideway, so that the moving plate is mainly tightly attached to the second slideway when moving, and the stability of the sliding block can be further improved; the two parallel limiting columns are arranged for mainly limiting the movement range of the shifting lever, and under the action of the resilience force of the tension spring, the shifting lever is tightly contacted with one of the limiting columns, and meanwhile, the L-shaped shifting piece can promote the clamping block to be tightly matched and connected with the first lead screw or the second lead screw; the U-shaped groove is mainly matched with the positioning pin, and the clamping block is matched and connected with the first lead screw or the second lead screw under the driving of the tension spring; the inner screw arranged in the arc-shaped notch corresponds to the first lead screw and the second lead screw, so that when the fixture block is in fit connection with the first lead screw or the second lead screw, the rotation of the first lead screw or the second lead screw can drive the fixture block to move; the driving motor that sets up provides power and supports, through the transmission effect between the gear, realizes that a motor can order about first lead screw, second lead screw and just antiport simultaneously.
Furthermore, the cleaning mechanism comprises a scraper blade, bristles are arranged on two sides of the scraper blade along the length direction, the bristles face the billboard, a square hole is formed in the middle of the scraper blade, rectangular grooves are formed in two sides of the square hole along the length direction, a cleaning plate is arranged in the square hole in a sliding mode, sliding plates embedded in the rectangular grooves are arranged on two sides of the cleaning plate respectively, the bristles are arranged on the bottom surface of the cleaning plate, the top surface of the cleaning plate is hinged to one end of a first crank, the other end of the first crank is hinged to one end of a second crank, the other end of the second crank is provided with a connecting shaft, the connecting shaft is connected with an output shaft of a micro motor through a coupling, the micro motor is arranged on a support plate, the support plate is L-shaped and comprises two folded edges, one of the folded edges is provided with the micro motor, and the other folded edge is provided with a fixing plate, the fixed plate is connected with the face, far away from the advertising board, of the cleaning plate.
Adopt above-mentioned further technical scheme's beneficial effect is that, the scraper blade when actuating mechanism drives down the motion, the cleaning plate is along scraper blade reciprocating motion under articulate drive, and the direction of motion of cleaning plate is perpendicular with the direction of motion of scraper blade to the realization is to the washing of bill-board equidirectional not, further improves cleaning performance.
Furthermore, the water delivery mechanism comprises a water storage tank arranged below the advertising board, a water pump is arranged at the top of the water storage tank, a water inlet of the water outlet pump is connected with the water storage tank through a first water pipe, and a water outlet of the water outlet pump is connected with the water spray pipe through a second water pipe.
Adopt above-mentioned further technical scheme's beneficial effect is that, the water of water storage tank is carried to the spray pipe through first water pipe, second water pipe to the water pump that sets up, realizes moistening the spraying of bill-board.
Furthermore, the driving motor, the water pump and the micro motor are connected with a power supply and provided with a control switch for controlling the driving motor, the water pump and the micro motor to be started or stopped, and the control switch is arranged in the safety box.
Adopt above-mentioned further technical scheme's beneficial effect is that, the operating condition of control switch that sets up can manual control motor or water pump, and the safety box of setting is to avoid non-staff's mistake to make, prevents to take place unexpected danger.
Furthermore, a shell is arranged outside the driving mechanism, a long hole is formed in the shell, and the connecting plate penetrates through the long hole and moves along the long hole.
Adopt above-mentioned further technical scheme's beneficial effect is that, the shell of setting can prevent that actuating mechanism from causing unexpected injury to the people at the during operation, and the rectangular hole of setting can guarantee the normal motion of connecting plate.
Furthermore, a clamping groove is formed in one end, close to the cleaning mechanism, of the connecting plate, the connecting plate is arranged in the clamping groove, and the connecting plate and the cleaning mechanism are fixedly connected through bolts.
The further technical scheme has the advantages that the clamping groove and the bolt are simple and convenient to connect, and the detachable connection of the connecting plate and the cleaning mechanism can be completely realized.
Furthermore, a threaded hole is formed in the middle of the positioning block, a fastening bolt is arranged in the threaded hole, a sliding groove is formed in the bottom surface of the second slide, and the fastening bolt penetrates through the sliding groove and is connected with the nut in a matched mode.
Adopt above-mentioned further technical scheme's beneficial effect is that, the bolt that sets up moves along the spout, can drive the locating piece and remove, distance alright between two locating pieces can be adjusted as required, then can realize the fixed of position through the nut, and the external diameter of nut will be greater than the width of spout.
Furthermore, the rotating shaft, the driving gear, the first driven gear, the second driven gear, the first lead screw and the second lead screw are connected with the bottom plate through shaft seats.
Adopt above-mentioned further technical scheme's beneficial effect is, the axle bed that sets up is fixed it when not influencing pivot, driving gear, first driven gear, second driven gear, first lead screw, second lead screw motion, prevents the skew of taking place the position in the motion process.
Further, the length of square hole is greater than the height of bill-board, first crank, when second crank straightens completely, wash the board with the top or the bottom contact of square hole, first crank, second crank are located the backup pad with the scraper blade between.
Adopt above-mentioned further technical scheme's beneficial effect is that, the length of square hole will match with the size of bill-board to guarantee that the scraper blade is to the effective cleaning area of bill-board, articulate length is fit for guaranteeing to wash the abundant bill-board that washs of board, and the crank is located between backup pad and the scraper blade in order not influencing the crank home range when, again with micro motor fixed.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings listed below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a first schematic structural diagram of a driving mechanism in an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram of a driving mechanism in the embodiment of the invention.
Fig. 5 is an enlarged schematic view of part B in fig. 4.
FIG. 6 is a first schematic structural diagram of a cleaning mechanism in an embodiment of the present invention.
Fig. 7 is an enlarged schematic view of a portion C in fig. 6.
FIG. 8 is a second schematic structural diagram of a cleaning mechanism in an embodiment of the present invention.
FIG. 9 is a schematic structural diagram of a slider, a connecting plate, and a moving plate in an embodiment of the present invention.
Fig. 10 is a schematic diagram of a fixture block and a link structure in an embodiment of the invention.
Fig. 11 is a schematic structural view of an L-shaped toggle member in the embodiment of the present invention.
Fig. 12 is a schematic diagram of a structure with a housing according to an embodiment of the present invention.
In the drawings, the reference numerals represent the following list of components: 1. a billboard; 2. a column; 3. a flashing; 4. a water delivery mechanism; 41. a water storage tank; 42. a water pump; 5. a water spray pipe; 6. a spray head; 7. a cleaning mechanism; 701. a squeegee; 702. a square hole; 703. a rectangular groove; 704. cleaning the plate; 705. a slide plate; 706. a first crank; 707. a second crank; 708. a micro motor; 709. a support plate; 710. a fixing plate; 8. a drive mechanism; 801. a base plate; 802. a partition plate; 803. l-shaped connector plates; 804. a first slideway; 805. a second slideway; 8051. a chute; 806. positioning blocks; 8061. fastening a bolt; 8062. a nut; 807. a slider; 808. a protrusion; 809. a connecting plate; 810. moving the plate; 811. a limiting column; 812. a circular truncated cone; 813. a deflector rod; 814. an L-shaped toggle piece; 815. a second fixed column; 816. a first fixed column; 817. a U-shaped notch; 818. a tension spring; 819. a boss; 820. a connecting rod; 821. positioning pins; 822. a clamping block; 823. an arc-shaped notch; 824. a drive motor; 825. a driving gear; 826. a first driven gear; 827. a second driven gear; 828. a first lead screw; 829. a second lead screw; 9. a housing.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified. In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in the figure, a culture media user's outer bill-board belt cleaning device, including bill-board 1 and with bill-board 1 fixed connection's stand 2, stand 2's one end and ground fixed connection, the other end is equipped with dash board 3, including setting up water delivery mechanism 4 in bill-board 1 below, water delivery mechanism 4's end-to-end connection has spray pipe 5, water delivery mechanism 4 orders about spray pipe 5 to spray water, spray pipe 5 sets up the bottom at dash board 3, spray pipe 5 evenly is equipped with a plurality of shower nozzles 6, the water spray direction of shower nozzle 6 is towards bill-board 1, the top of bill-board 1 is equipped with actuating mechanism 8, actuating mechanism 8's output short circuit has cleaning mechanism 7, the vertical setting of cleaning mechanism 7, cleaning mechanism 7 is along bill-board 1 horizontal motion under actuating mechanism 8 orders about.
The cleaning mechanism 7 comprises a scraper 701, bristles are arranged on two sides of the scraper 701 along the length direction and face the billboard 1, a square hole 702 is arranged in the middle of the scraper 701, rectangular grooves 703 are arranged on two sides of the square hole 702 along the length direction, a cleaning plate 704 is arranged in the square hole 702 in a sliding manner, sliding plates 705 embedded in the rectangular grooves 703 are respectively arranged on two sides of the cleaning plate 704, bristles are arranged on the bottom surface of the cleaning plate 704, the top surface of the cleaning plate is hinged with one end of a first crank 706, the other end of the first crank 706 is hinged with one end of a second crank 707, a connecting shaft is arranged at the other end of the second crank 707 and connected with an output shaft of a micro motor 708 through a coupling, the micro motor 708 is arranged on a supporting plate 709, the supporting plate 709 is L-shaped and comprises two folding edges, one of the two folding edges is provided with a micro motor 708, the other folding edge is provided with a fixing plate 710, and the fixing plate 710 is connected with one surface of the cleaning plate 704, which is far away from the billboard 1.
The driving mechanism 8 comprises a bottom plate 801, a separation plate 802 is vertically arranged on the bottom plate 801 along the length direction, the bottom of the separation plate 802 is fixedly connected with the bottom plate 801, an L-shaped connecting plate 803 is arranged at the top of the separation plate, the L-shaped connecting plate 803 comprises two bending parts, one bending part is provided with a first slide way 804, the other bending part is provided with a second slide way 805, two ends of the second slide way 805 are respectively provided with a positioning block 806, the distance between the two positioning blocks 806 can be adjusted, the first slide way 804 is connected with a slide block 807, one side face of the slide block 807 is provided with a bulge 808 embedded into the first slide way 804, the side face of the slide block 807 opposite to the bulge 808 is provided with a connecting plate 809, and the connecting plate 809 is detachably connected with the cleaning mechanism 7;
a moving plate 810 is fixedly arranged at the top of the sliding block 807, the moving plate 810 extends to be in contact connection with the edge of the second slideway 805, one end of the top surface of the moving plate 810 is provided with two parallel limiting columns 811, the other end of the top surface of the moving plate 810 is provided with a circular truncated cone 812, the circular truncated cone 812 is sleeved with a driving lever 813 and an L-shaped shifting piece 814, the top of the circular truncated cone 812 is provided with a limiting lug for preventing the driving lever 813 and the L-shaped shifting piece 814 from separating, the driving lever 813 is positioned between the two limiting columns 811, the length of the driving lever 813 can be in contact with the positioning block 806, the end of the driving lever 813 far away from the circular truncated cone 812 is provided with a second fixed column 815, the L-shaped shifting piece 814 comprises two bending parts, the end of one bending part far away from the circular truncated cone 812 is provided with a first fixed column 816, the middle part of the other bending part is provided with a U-shaped notch 817, the opening direction of the U-shaped notch 817 is perpendicular to the other bending part, and a tension spring 818 is arranged between the first fixed column 816 and the second fixed column 815, two ends of a tension spring 818 are fixedly connected with the first fixing column 816 and the second fixing column 815 respectively, the maximum length of the tension spring 818 between the first fixing column 816 and the second fixing column 815 is smaller than the maximum stretching length of the tension spring 818, and the minimum length of the tension spring 818 is larger than the free length of the tension spring 818;
a boss 819 is arranged on the side face of the slider 807 adjacent to the boss 808, the boss 819 is sleeved with a connecting rod 820, the boss 819 is provided with a limiting protrusion for preventing the connecting rod 820 from being separated, the connecting rod 820 is vertically arranged, a positioning pin 821 is arranged at the top end of the connecting rod 820, two clamping blocks 822 are arranged at the bottom end of the connecting rod 820, an arc-shaped notch 823 is arranged on the clamping block 822, the opening direction of the arc-shaped notch 823 is opposite to that of the separating plate 802 and is perpendicular to the separating plate 802, an inner wire is arranged on the arc surface of the arc-shaped notch 823, the positioning pin 821 is located in the U-shaped notch 817 and is in contact connection with the inner wall of the U-shaped notch 817, and the outer diameter of the positioning pin 821 is equal to the inner diameter of the U-shaped notch 817 so as to ensure that tight contact can be achieved;
the below of second slide 805 is equipped with driving motor 824, driving motor 824 is fixed at bottom plate 801, driving motor 824's output shaft has the pivot through the coupling joint, the other end of pivot is equipped with driving gear 825, driving gear 825 meshing is connected with first driven gear 826, first driven gear 826 meshing is connected with second driven gear 827, first driven gear 826, second driven gear 827 respectively with first lead screw 828, the coaxial setting of second lead screw 829, first lead screw 828, be equipped with two fixture blocks 822 between the second lead screw 829, two arc breach 823 respectively with first lead screw 828, the relative setting of second lead screw 829.
The water delivery mechanism 4 comprises a water storage tank 41 arranged below the billboard 1, a water pump 42 is arranged on the top of the water storage tank 41, the water inlet of the water outlet pump 42 is connected with the water storage tank 41 through a first water pipe, and the water outlet is connected with the water spray pipe 5 through a second water pipe.
The driving motor 824, the water pump 42 and the micro motor 708 are connected with a power supply and are provided with control switches for controlling the on or off of the driving motor 824, the water pump 42 and the micro motor 708, and the control switches are arranged in the safety box.
The driving mechanism 8 is externally provided with a shell 9, the shell 9 is provided with a strip hole, and the connecting plate 809 penetrates through the strip hole and moves along the strip hole.
A clamping groove is formed in one end, close to the cleaning mechanism 7, of the connecting plate 809, the connecting plate 809 is arranged in the clamping groove, and the connecting plate 809 and the cleaning mechanism 7 are fixedly connected through bolts.
The middle part of the positioning block 806 is provided with a threaded hole, a fastening bolt 8061 is arranged in the threaded hole, the bottom surface of the second slideway 805 is provided with a chute 8051, and the fastening bolt 8061 penetrates through the chute 8051 and is connected with a nut 8062 in a matching manner.
The rotating shaft, the driving gear 825, the first driven gear 826, the second driven gear 827, the first lead screw 828 and the second lead screw 829 are connected with the bottom plate 801 through shaft seats.
The length of square hole 702 is greater than the height of bill-board 1, and first crank 706, second crank 707 when straightening completely, wash board 704 contacts with the top or the bottom of square hole 702, and first crank 706, second crank 707 are located between backup pad 709 and scraper 701.
The working process of the device is that the two positioning blocks 806 are manually slid to enable the distance between the two positioning blocks to reach the required distance, then the nut 8062 is screwed down, and the positioning blocks 806 are fixed with the second slide way 805; the driving motor 824 is turned on to drive the driving gear 825 to rotate, the driving gear 825 rotates to drive the first driven gear 826 to rotate, the first driven gear 826 rotates to drive the second driven gear 827 and the first lead screw 828 to rotate, and the second driven gear 827 rotates to drive the second lead screw 829 to rotate. Facing the attached drawings, assuming that the shift lever 813 is in contact connection with the right side limit post 811 arranged on the moving plate 810 at this time, the tension spring 818 is in a stretching state, the tension force drives the shift lever 813 to be tightly connected with the right side limit post 811, drives the L-shaped shift piece 814 to drive the arc notch 823 of the outer side fixture block 822 to be in fit connection with the second lead screw 829, since the second lead screw 829 and the arc notch 823 are in internal and external thread connection, the rotation of the second lead screw 829 drives the slider 807 to move rightwards along the second slideway 805 until the shift lever 813 contacts with the right side positioning block 806, and continues to move rightwards, due to the blocking of the positioning block 806, under the tension of the tension spring 818, the shift lever 813 slowly tilts leftwards, until at one moment, the tension of the tension spring 818 can drive the shift lever 813 to rotate backwards, the shift lever 813 is in tight contact with the left side limit post 811, the L-shaped shift piece 814 drives the arc notch 823 of the inner side 822 to be in fit connection with the first lead screw 828, because the first lead screw 828 is in threaded connection with the inner and outer threads of the arc-shaped notch 823, the rotation of the first lead screw 828 drives the slider 807 to move leftward along the first slide 804 until the shift lever 813 contacts with the left positioning block 806, and continues to move leftward, and due to the blocking of the positioning block 806, under the pulling force of the tension spring 818, the shifting rod 813 slowly inclines to the right, until at a moment, the pulling force of the tension spring 818 can drive the shifting rod 813 to rotate reversely, the shifting rod 813 is tightly connected with the limiting column 811 at the right side, the L-shaped shifting piece 814 drives the arc-shaped notch 823 of the outer clamping block 822 to be matched and connected with the second lead screw 829, because the second lead screw 829 and the arc-shaped notch 823 are in internal and external thread connection, therefore, the rotation of the second lead screw 829 drives the slider 807 to move rightward … … along the first slide 804, so as to realize the leftward and rightward reciprocating movement of the slider 807, and further drive the cleaning mechanism 7 to clean the billboard 1 circularly leftward and rightward.
The control switch of the micro motor 708 is turned on, so that the micro motor 708 works to drive the second crank 707 to rotate and drive the first crank 706 to move, and thus the cleaning plate 704 reciprocates along the square hole 702, and the advertising board 1 is cleaned in an up-and-down circulating manner.
In order to improve the cleaning effect, before the cleaning mechanism 7 works, the water pump 42 is firstly started, the water spraying pipe 5 sprays and moistens the advertising board 1, and the water pump 42 is closed after the spraying is finished.
The driving motor 824, the driving gear 825, the first driven gear 826, the second driven gear 827, the first lead screw 828, the second lead screw 829, the water pump 42, the control switch, the nozzle 6, the micro-motor 708, and the connection between the water pump 42 and the spray pipe 5 and the water storage tank 41 are all the prior art, and detailed description is omitted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.