CN109064939B

CN109064939B - Propaganda board

Info

Publication number: CN109064939B
Application number: CN201811001264.3A
Authority: CN
Inventors: 刘振清
Original assignee: Harbin University
Current assignee: Harbin University
Priority date: 2018-08-30
Filing date: 2018-08-30
Publication date: 2020-08-07
Anticipated expiration: 2038-08-30
Also published as: CN109064939A

Abstract

The invention relates to a propaganda device, in particular to a propaganda board, which comprises an underframe, a moving frame, a lever assembly, a propaganda board assembly and a rotating mechanism, wherein the propaganda board assembly can move left and right to adjust the position, and can also incline, so that when the underframe is arranged on the inclined ground, the propaganda board assembly can incline to the direction opposite to the inclination direction of the ground, and the propaganda board assembly is leveled to be convenient for people to watch and used for ideological education propaganda. Remove a sliding connection on the chassis, lever subassembly fixed connection is in the rear end that removes the frame, and publicity board subassembly sliding connection is in the upper end that removes the frame, and slewing mechanism's lower extreme sliding connection is on removing the frame, and slewing mechanism's upper end sliding connection is on publicity board subassembly.

Description

Propaganda board

Technical Field

The invention relates to a propaganda device, in particular to a propaganda board.

Background

The utility model provides a novel political teaching publicity board with application number CN201521016143.8, which comprises a publicity board mounting rack, a publicity board body, cover glass, a waterproof sealing ring, a plurality of lighting lamps, a pair of suspension rings and suspension ropes; the front end surface of the publicity board mounting rack is provided with an embedded groove, the publicity board body is matched with the embedded groove of the publicity board mounting rack and embedded in the embedded groove of the publicity board mounting rack, and the cover glass covers the publicity board body; the waterproof sealing ring is arranged at the edge of the cover glass, and the cover glass is connected with the publicity board mounting frame in a sealing way through the waterproof sealing ring; the plurality of illuminating lamps are respectively embedded and installed on the publicity board mounting frame and positioned on the outer side of the publicity board body; the pair of suspension rings are symmetrically arranged on two sides of the top of the publicity board mounting frame, and two ends of the suspension rope are respectively connected to the pair of suspension rings. The utility model discloses a have and hang, paste multiple usage pattern such as cover, fixed mounting, support, the commonality is high, and it is convenient to use, and the propaganda bandwagon effect is good, is favorable to political teaching. But the utility model discloses an adjusting capacity is general, can't satisfy the installation needs of harsh topography.

Disclosure of Invention

The invention provides a publicity board, which has the advantages that the publicity board assembly can move left and right to adjust the position, and the publicity board assembly can also incline, so that when the bottom frame is arranged on the inclined ground, the publicity board assembly can incline in the direction opposite to the inclination direction of the ground, and the publicity board assembly is leveled, and is convenient for people to watch.

The invention relates to a publicity board, in particular to a publicity board which comprises an underframe, a moving frame, a lever assembly, a publicity board assembly and a rotating mechanism, wherein the publicity board assembly can move left and right to adjust the position, and the publicity board assembly can also incline, so that when the underframe is arranged on the inclined ground, the publicity board assembly can incline in the direction opposite to the inclined direction of the ground, and the publicity board assembly is leveled so as to be convenient for people to watch.

Remove a sliding connection on the chassis, lever subassembly fixed connection is in the rear end that removes the frame, and publicity board subassembly sliding connection is in the upper end that removes the frame, and slewing mechanism's lower extreme sliding connection is on removing the frame, and slewing mechanism's upper end sliding connection is on publicity board subassembly, and hand screw is provided with two, and two hand screws all are through threaded connection on removing the frame.

The chassis includes the cross slide rail, carries a wheel sand grip, erects branch, end connecting plate and slide rail intervally groove, is provided with two around the cross slide rail, and the equal fixed connection in inboard of two cross slide rails has a wheel sand grip, and the up end that carries the wheel sand grip is less than the up end of cross slide rail, and the equal fixedly connected with in both ends erects branch about two cross slide rails, and equal fixed connection end connecting plate between two perpendicular branches of left end and two perpendicular branches of right-hand member all is provided with the screw jack on two end connecting plates.

The moving frame comprises a front connecting plate, a rectangular through hole, a middle convex plate, rotating frame plates, wheel shafts, rotating wheels, lower supporting plates, side convex plates, a jacking rod, a long round rod and a connecting strip, the rectangular through hole is formed in the middle of the front connecting plate, the middle convex plate is fixedly connected to the middle of the front connecting plate, the lower supporting plates are fixedly connected to the left end and the right end of the rear side of the front connecting plate, the rotating frame plates are fixedly connected to the front ends and the rear ends of the two lower supporting plates, the wheel shafts are rotatably connected between the two rotating frame plates at the left end and the two rotating frame plates at the right end through bearing seats, the two rotating wheels are fixedly connected to the two wheel shafts, the upper end surfaces of the two lower supporting plates are respectively attached to the lower end surfaces of the two transverse sliding rails, the two rotating frame plates at the front end are respectively attached to the transverse sliding rails at the front end, the two rotating frame plates at the rear end are respectively attached to the transverse sliding rails, the lower extreme of two runners of rear end contacts with the carrier wheel sand grip of rear end, the equal fixed connection in outer end of two bottom plates has the limit flange, equal sliding connection has the liftoff pole on two limit flanges, the groove between the slide rail is all passed to the upper end of two liftoff poles, the inboard equal fixedly connected with connecting strip of lower extreme of two liftoff poles, the equal fixedly connected with long round bar of the other end of two connecting strips, all there is the hand screw through threaded connection on two rotation frame plates of front end, two hand screws all push up on the horizontal slide rail of front end.

The lever subassembly includes the back connecting plate, the back medium plate, short slide opening, the lever, fastening nut and screw post, back connecting plate fixed connection is between the rear end of two bottom plates, the lower extreme fixedly connected with back medium plate of back connecting plate intermediate position, the lower extreme fixedly connected with screw post of back medium plate, the intermediate position clearance fit of lever is inserted on the screw post, there is fastening nut rear end through threaded connection of screw post, the lever is located between fastening nut and the back medium plate, both ends all are provided with short slide opening about the lever, the rear end difference sliding connection of two long round bars is on two short slide openings.

The publicity board assembly comprises a sliding groove board, a transverse sliding groove, a long sliding hole, fastening screws I, a publicity board seat, a publicity board and a publicity board slot, wherein the long sliding hole and the transverse sliding groove are respectively arranged at the upper end and the lower end of the sliding groove board, the lower end of the sliding groove board is placed at the upper ends of two wheel shafts, the front end surface of the sliding groove board is attached to the rear end surfaces of two wheels at the front end, the rear end surface of the sliding groove board is attached to the front end surfaces of the two wheels at the rear end, the publicity board seat is fixedly connected to the upper end of the sliding groove board, the publicity board slot is arranged at the upper end of the publicity board seat, the lower end of the publicity board is inserted into the publicity board slot, the two fastening screws I are connected to the front end of the publicity board seat through threads, the rear ends of the two fastening screws I.

The rotating mechanism comprises a vertical moving rod, a spring sleeve rod seat, a spring sleeve rod, a short shaft, a square column, a sliding cylinder seat, a sliding cylinder, a rear stop block and a fastening screw II, the vertical moving rod is connected to the rectangular through hole in a sliding manner, the lower end of the vertical moving rod is fixedly connected with the spring sleeve rod seat, the upper end of the spring sleeve rod seat is fixedly connected with the spring sleeve rod, a compression spring is sleeved on the spring sleeve rod, the upper end of the spring sleeve rod is connected to the middle convex plate in a sliding manner, the compression spring is positioned between the middle convex plate and the spring sleeve rod seat, the square column is connected to the transverse sliding chute in a sliding manner, the short shaft is fixedly connected to the middle position of the front end of the spring sleeve rod, the front end of the short shaft is rotatably connected to the upper end of the vertical moving rod through a bearing seat, the upper end of the square column is fixedly connected with the sliding cylinder seat, the sliding cylinder is, the rear stop block is attached to the rear end face of the sliding groove plate, a fastening screw II is connected to the rear stop block through threads, and the front end of the fastening screw II is propped against the sliding groove plate.

The publicity board of the invention has the beneficial effects that:

according to the propaganda board, the propaganda board component can move left and right to adjust the position, and the propaganda board component can also incline, so that when the bottom frame is arranged on the inclined ground, the propaganda board component can incline in the direction opposite to the inclination direction of the ground, and the propaganda board component is leveled, so that people can watch the propaganda board component conveniently, and the propaganda board component is used for ideological education propaganda.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of the publicity board of the present invention;

FIG. 2 is a schematic view of the overall structure of the publicity board of the present invention;

FIG. 3 is a schematic view of the structure of the chassis;

FIG. 4 is a first schematic structural view of the movable frame;

FIG. 5 is a second schematic structural view of the movable frame;

FIG. 6 is a first schematic structural view of the lever assembly;

FIG. 7 is a second schematic structural view of the lever assembly;

FIG. 8 is a first schematic structural view of a promotional board assembly;

FIG. 9 is a second schematic view of the construction of the promotional board assembly;

FIG. 10 is a first schematic structural view of a rotating mechanism;

fig. 11 is a structural schematic diagram of a rotating mechanism.

In the figure: a chassis 1; a horizontal slide rail 1-1; a carrier wheel convex strip 1-2; 1-3 of vertical support rods; a bottom connection plate 1-4; 1-5 of slide rail grooves; a moving frame 2; a front connecting plate 2-1; a rectangular through hole 2-2; 2-3 of a middle convex plate; 2-4 of a rotating frame plate; 2-5 of a wheel shaft; 2-6 parts of a rotating wheel; 2-7 of a lower supporting plate; 2-8 of edge convex plate; 2-9 of a jacking rod; 2-10 of long round rod; 2-11 of connecting strips; a lever assembly 3; a rear connecting plate 3-1; a rear middle plate 3-2; 3-3 of short slide holes; a lever 3-4; 3-5 of a fastening nut; 3-6 parts of a threaded column; a publicity board assembly 4; 4-1 of a chute plate; 4-2 of a horizontal chute; 4-3 of long sliding holes; fastening screw I4-4; 4-5 of a publicity board seat; 4-6 of a publicity board; 4-7 publicity board slots; a rotating mechanism 5; 5-1 of a vertical moving rod; 5-2 parts of a spring sleeve rod seat; 5-3 parts of a spring sleeve rod; 5-4 of a short shaft; 5-5 of square column; 5-6 parts of a sliding cylindrical seat; 5-7 parts of sliding cylinder; 5-8 parts of a rear stop block; and fastening screw II 5-9.

Detailed Description

The first embodiment is as follows:

the present invention will be described with reference to fig. 1 to 11, and the present invention relates to a billboard, and more particularly to a billboard, which comprises a bottom frame 1, a moving frame 2, a lever assembly 3, a billboard assembly 4 and a rotating mechanism 5, wherein the billboard assembly 4 of the present invention can be adjusted to move left and right, and the billboard assembly 4 can be tilted, so that when the bottom frame 1 is installed on a tilted floor, the billboard assembly 4 can be tilted in a direction opposite to the direction of the tilt of the floor, thereby leveling the billboard assembly 4 for people to watch.

Remove 2 sliding connection on

chassis

1, 3 fixed connection of lever subassembly are in the rear end of removing

frame

2, and 4 sliding connection of publicity board subassembly are in the upper end of removing

frame

2, and 5 lower extreme sliding connection of slewing mechanism is on removing

frame

2, and 5 upper end sliding connection of slewing mechanism is on publicity board subassembly 4, and hand screw 6 is provided with two, and two hand screws 6 are all through threaded connection on removing frame 2. The publicity board assembly 4 can move left and right to adjust the position, and the publicity board assembly 4 can also incline, so that when the bottom frame 1 is installed on the inclined ground, the publicity board assembly 4 can incline to the direction opposite to the inclined direction of the ground, and the publicity board assembly 4 is leveled to be convenient for people to watch.

The chassis 1 comprises transverse sliding rails 1-1, carrier wheel convex strips 1-2, vertical support rods 1-3, bottom connecting plates 1-4 and sliding rail grooves 1-5, the number of the transverse sliding rails 1-1 is two, the inner sides of the two transverse sliding rails 1-1 are fixedly connected with carrier wheel convex strips 1-2, the upper end faces of the carrier wheel convex strips 1-2 are lower than the upper end faces of the transverse sliding rails 1-1, the left end and the right end of the two transverse sliding rails 1-1 are fixedly connected with the vertical support rods 1-3, the space between the two vertical support rods 1-3 at the left end and the space between the two vertical support rods 1-3 at the right end are fixedly connected with the bottom connecting plates 1-4, and screw jacks are formed in the two bottom connecting plates 1-4. The screw inserting holes on the two connecting plates 1-4 can be inserted with bolts, so that the underframe 1 is fixed on the ground. Since the publicity boards 4-6 are sometimes required to be installed in a campus, such as a rockery, the bottom surface of the installation position is not necessarily flat.

The movable frame 2 comprises a front connecting plate 2-1, rectangular through holes 2-2, middle convex plates 2-3, rotating frame plates 2-4, wheel shafts 2-5, rotating wheels 2-6, lower supporting plates 2-7, side convex plates 2-8, jacking rods 2-9, long round rods 2-10 and connecting strips 2-11, the rectangular through holes 2-2 are arranged at the middle position of the front connecting plate 2-1, the middle convex plates 2-3 are fixedly connected at the middle position of the front connecting plate 2-1, the lower supporting plates 2-7 are fixedly connected at the left end and the right end of the rear side of the front connecting plate 2-1, the rotating frame plates 2-4 are fixedly connected at the front end and the rear end of the two lower supporting plates 2-7, the wheel shafts 2-5 are rotatably connected between the two rotating frame plates 2-4 at the left end and the two rotating frame plates 2-4 at the right end through bearing seats, two wheels 2-6 are fixedly connected to two wheel shafts 2-5, the upper end surfaces of two lower supporting plates 2-7 are respectively jointed with the lower end surfaces of two transverse sliding rails 1-1, two rotating frame plates 2-4 at the front ends are respectively jointed with the transverse sliding rails 1-1 at the front ends, two rotating frame plates 2-4 at the rear ends are respectively jointed with the transverse sliding rails 1-1 at the rear ends, the lower ends of two wheels 2-6 at the front ends are respectively contacted with a carrier wheel convex strip 1-2 at the front ends, the lower ends of two wheels 2-6 at the rear ends are respectively contacted with a carrier wheel convex strip 1-2 at the rear ends, the outer ends of two lower supporting plates 2-7 are respectively fixedly connected with edge convex plates 2-8, two edge convex plates 2-8 are respectively connected with jacking rods 2-9 in a sliding manner, the upper ends of two jacking rods 2-9 are respectively penetrated through grooves 1-5 between the sliding rails, the inner sides of the lower ends of the two jacking rods 2-9 are fixedly connected with connecting strips 2-11, the other ends of the two connecting strips 2-11 are fixedly connected with long round rods 2-10, the two rotating frame plates 2-4 at the front ends are connected with hand screws 6 through threads, and the two hand screws 6 are both jacked on the transverse sliding rail 1-1 at the front end. The front connecting plate 2-1 can be connected together by the left lower supporting plate 2-7 and the right lower supporting plate 2-7, the four rotating wheels 2-6 can rotate along with the wheel shafts 2-5, the wheel shafts 2-5 can rotate on the rotating frame plates 2-4 by taking the axes of the rotating frame plates as axes, the four rotating wheels 2-6 can rotate on the corresponding wheel-carrying convex strips 1-2, so that the whole moving frame 2 can integrally move on the two transverse sliding rails 1-1, and the two jacking rods 2-9 can vertically slide on the two side convex plates 2-8 respectively. When the two hand-screwed screws 6 are rotated to be propped against the transverse slide rail 1-1 at the front end, the movable frame 2 can be integrally fixed on the bottom frame 1.

The lever component 3 comprises a rear connecting plate 3-1, a rear middle plate 3-2, short sliding holes 3-3, a lever 3-4, a fastening nut 3-5 and threaded columns 3-6, the rear connecting plate 3-1 is fixedly connected between the rear ends of the two lower supporting plates 2-7, the lower end of the middle position of the rear connecting plate 3-1 is fixedly connected with the rear middle plate 3-2, the lower end of the rear middle plate 3-2 is fixedly connected with the threaded columns 3-6, the middle position of the lever 3-4 is inserted on the threaded columns 3-6 in a clearance fit manner, the rear end of the threaded columns 3-6 is connected with the fastening nut 3-5 through threads, the lever 3-4 is positioned between the fastening nut 3-5 and the rear middle plate 3-2, the left and right ends of the lever 3-4 are provided with the short sliding holes 3-3, the rear ends of the two long round rods 2-10 are respectively connected with the two short slide holes 3-3 in a sliding way. The lever 3-4 can rotate on the threaded column 3-6 by taking the axis of the threaded column 3-6 as an axis, and the other end of the lever 3-4 can be lowered when the other end is raised, so that the lever 3-4 can drive the two long round rods 2-10 to move in opposite directions at equal intervals for the same distance when rotating by taking the axis of the threaded column 3-6 as an axis, the two long round rods 2-10 can drive the two jacking rods 2-9 to move in opposite directions at equal intervals for the same distance through the two connecting strips 2-11 respectively, and the lever 3-4 can be fixed on the rear middle plate 3-2 when the fastening nut 3-5 is screwed to push against the lever 3-4.

The publicity board component 4 comprises a chute board 4-1, a transverse chute 4-2, a long slide hole 4-3, a fastening screw I4-4, a publicity board seat 4-5, a publicity board 4-6 and a publicity board slot 4-7, wherein the upper end and the lower end of the chute board 4-1 are respectively provided with the long slide hole 4-3 and the transverse chute 4-2, the lower end of the chute board 4-1 is arranged at the upper end of two wheel shafts 2-5, the front end surface of the chute board 4-1 is attached to the rear end surfaces of two wheels 2-6 at the front end, the rear end surface of the chute board 4-1 is attached to the front end surfaces of the two wheels 2-6 at the rear end, the upper end of the chute board 4-1 is fixedly connected with the publicity board seat 4-5, the upper end of the publicity board seat 4-5 is provided with the publicity board slot 4-7, the lower end of the publicity board 4-6 is inserted into the publicity, the front end of the publicity board seat 4-5 is connected with two fastening screws I4-4 through threads, the rear ends of the two fastening screws I4-4 are both propped against the publicity board 4-6, and the upper ends of the two jacking rods 2-9 are both propped against the lower end face of the chute board 4-1. When the two jacking rods 2-9 move in opposite directions at equal intervals for the same distance, one of the jacking rods 2-9 moving upwards can jack up one end of the chute plate 4-1, so that one end of the chute plate 4-1 is lifted, and the other end of the chute plate 4-1 is still lapped on the wheel shaft 2-5 on the other side. When the two fastening screws I4-4 are loosened, the publicity board 4-6 can be taken down from the publicity board slot 4-7, thereby facilitating the replacement of the publicity board 4-6.

The rotating mechanism 5 comprises a vertical moving rod 5-1, a spring sleeve rod seat 5-2, a spring sleeve rod 5-3, a short shaft 5-4, a square column 5-5, a sliding cylindrical seat 5-6, a sliding cylindrical seat 5-7, a rear stop block 5-8 and a fastening screw II5-9, the vertical moving rod 5-1 is connected to the rectangular through hole 2-2 in a sliding manner, the lower end of the vertical moving rod 5-1 is fixedly connected with the spring sleeve rod seat 5-2, the upper end of the spring sleeve rod seat 5-2 is fixedly connected with the spring sleeve rod 5-3, the spring sleeve rod 5-3 is sleeved with a compression spring, the upper end of the spring sleeve rod 5-3 is connected to the middle convex plate 2-3 in a sliding manner, the compression spring is positioned between the middle convex plate 2-3 and the spring sleeve rod seat 5-2, the square column 5-5 is connected to the transverse sliding groove 4-2 in a sliding manner, the middle position of the front end of the spring loop rod 5-3 is fixedly connected with a short shaft 5-4, the front end of the short shaft 5-4 is rotatably connected to the upper end of the vertical moving rod 5-1 through a bearing seat, the upper end of the square column 5-5 is fixedly connected with a sliding cylinder seat 5-6, the upper end of the sliding cylinder seat 5-6 is fixedly connected with a sliding cylinder 5-7, the sliding cylinder 5-7 is slidably connected to the long sliding hole 4-3, the rear end of the sliding cylinder 5-7 is fixedly connected with a rear stop block 5-8, the rear stop block 5-8 is attached to the rear end face of the sliding chute plate 4-1, the rear stop block 5-8 is connected with a fastening screw II5-9 through threads, and the front end of the fastening screw II5-9 is propped against the sliding chute plate 4. The compression spring on the spring loop bar 5-3 always gives a downward force to the spring loop bar seat 5-2, so that the vertical moving bar 5-1 always has a tendency of sliding up and down on the rectangular through hole 2-2, so that the chute plate 4-1 can always be in contact with two wheel shafts 2-5 or one wheel shaft 2-5, when one end of the chute plate 4-1 is lifted, the vertical moving bar 5-1 is also lifted upwards, and the short shaft 5-4 on the square column 5-5 also rotates along the axis of the vertical moving bar 5-1 at the upper end of the vertical moving bar 5-1 to adapt to the lifting of one end of the chute plate 4-1. The chute board 4-1 can slide left and right on the square column 5-5 and the chute column 5-7, the left and right positions of the chute board 4-1 are adjusted, so that the left and right positions of the publicity board 4-6 are adjusted, the publicity board 4-6 is adjusted to a proper position, the chute column 5-7 cannot be separated from the long chute hole 4-3, the publicity board assembly 4 and the rotating mechanism 5 cannot be separated, and the position of the chute board 4-1 can be fixed when the fastening screw II5-9 on the stop block 5-8 abuts against the chute board 4-1 after the publicity board assembly 4 and the rotating mechanism 5 are rotated.

The working principle of the invention is as follows: the publicity board assembly 4 can move left and right to adjust the position, and the publicity board assembly 4 can also incline, so that when the bottom frame 1 is installed on the inclined ground, the publicity board assembly 4 can incline to the direction opposite to the inclined direction of the ground, and the publicity board assembly 4 is leveled to be convenient for people to watch. The screw inserting holes on the two connecting plates 1-4 can be inserted with bolts, so that the underframe 1 is fixed on the ground. Since the publicity boards 4-6 are sometimes required to be installed in a campus, such as a rockery, the bottom surface of the installation position is not necessarily flat. The front connecting plate 2-1 can be connected together by the left lower supporting plate 2-7 and the right lower supporting plate 2-7, the four rotating wheels 2-6 can rotate along with the wheel shafts 2-5, the wheel shafts 2-5 can rotate on the rotating frame plates 2-4 by taking the axes of the rotating frame plates as axes, the four rotating wheels 2-6 can rotate on the corresponding wheel-carrying convex strips 1-2, so that the whole moving frame 2 can integrally move on the two transverse sliding rails 1-1, and the two jacking rods 2-9 can vertically slide on the two side convex plates 2-8 respectively. When the two hand-screwed screws 6 are rotated to be propped against the transverse slide rail 1-1 at the front end, the movable frame 2 can be integrally fixed on the bottom frame 1. The lever 3-4 can rotate on the threaded column 3-6 by taking the axis of the threaded column 3-6 as an axis, and the other end of the lever 3-4 can be lowered when the other end is raised, so that the lever 3-4 can drive the two long round rods 2-10 to move in opposite directions at equal intervals for the same distance when rotating by taking the axis of the threaded column 3-6 as an axis, the two long round rods 2-10 can drive the two jacking rods 2-9 to move in opposite directions at equal intervals for the same distance through the two connecting strips 2-11 respectively, and the lever 3-4 can be fixed on the rear middle plate 3-2 when the fastening nut 3-5 is screwed to push against the lever 3-4. When the two jacking rods 2-9 move in opposite directions at equal intervals for the same distance, one of the jacking rods 2-9 moving upwards can jack up one end of the chute plate 4-1, so that one end of the chute plate 4-1 is lifted, and the other end of the chute plate 4-1 is still lapped on the wheel shaft 2-5 on the other side. When the two fastening screws I4-4 are loosened, the publicity board 4-6 can be taken down from the publicity board slot 4-7, thereby facilitating the replacement of the publicity board 4-6. The compression spring on the spring loop bar 5-3 always gives a downward force to the spring loop bar seat 5-2, so that the vertical moving bar 5-1 always has a tendency of sliding up and down on the rectangular through hole 2-2, so that the chute plate 4-1 can always be in contact with two wheel shafts 2-5 or one wheel shaft 2-5, when one end of the chute plate 4-1 is lifted, the vertical moving bar 5-1 is also lifted upwards, and the short shaft 5-4 on the square column 5-5 also rotates along the axis of the vertical moving bar 5-1 at the upper end of the vertical moving bar 5-1 to adapt to the lifting of one end of the chute plate 4-1. The chute board 4-1 can slide left and right on the square column 5-5 and the chute column 5-7, the left and right positions of the chute board 4-1 are adjusted, so that the left and right positions of the publicity board 4-6 are adjusted, the publicity board 4-6 is adjusted to a proper position, the chute column 5-7 cannot be separated from the long chute hole 4-3, the publicity board assembly 4 and the rotating mechanism 5 cannot be separated, and the position of the chute board 4-1 can be fixed when the fastening screw II5-9 on the stop block 5-8 abuts against the chute board 4-1 after the publicity board assembly 4 and the rotating mechanism 5 are rotated.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. Publicity board, including chassis (1), removal frame (2), lever subassembly (3), publicity board subassembly (4), slewing mechanism (5) and hand screw (6), its characterized in that: the mobile frame (2) is connected to the bottom frame (1) in a sliding mode, the lever assembly (3) is fixedly connected to the rear end of the mobile frame (2), the propaganda board assembly (4) is connected to the upper end of the mobile frame (2) in a sliding mode, the lower end of the rotating mechanism (5) is connected to the mobile frame (2) in a sliding mode, the upper end of the rotating mechanism (5) is connected to the propaganda board assembly (4) in a sliding mode, the number of the hand-screw screws (6) is two, and the two hand-screw screws (6) are connected to the mobile frame (2) through threads;

the underframe (1) comprises a transverse slide rail (1-1) and a carrier wheel convex strip (1-2), the two transverse sliding rails (1-1) are provided with two front and back parts, the inner sides of the two transverse sliding rails (1-1) are fixedly connected with carrier wheel convex strips (1-2), the upper end faces of the carrier wheel convex strips (1-2) are lower than the upper end faces of the transverse sliding rails (1-1), the left end and the right end of the two transverse sliding rails (1-1) are fixedly connected with vertical supporting rods (1-3), the bottom connecting plates (1-4) are fixedly connected between the two vertical supporting rods (1-3) at the left end and between the two vertical supporting rods (1-3) at the right end, and screw inserting holes are formed in the two bottom connecting plates (1-4);

the movable frame (2) comprises a front connecting plate (2-1), rectangular through holes (2-2), middle convex plates (2-3), rotating frame plates (2-4), wheel shafts (2-5), rotating wheels (2-6), lower supporting plates (2-7), side convex plates (2-8), jacking rods (2-9), long round rods (2-10) and connecting strips (2-11), the rectangular through holes (2-2) are formed in the middle of the front connecting plate (2-1), the middle convex plates (2-3) are fixedly connected to the middle of the front connecting plate (2-1), the lower supporting plates (2-7) are fixedly connected to the left end and the right end of the rear side of the front connecting plate (2-1), the rotating frame plates (2-4) are fixedly connected to the front end and the rear end of the two lower supporting plates (2-7), the two rotating frame plates (2-4) at the left end and the two rotating frame plates (2-4) at the right end are rotatably connected with wheel shafts (2-5) through bearing seats, the two wheel shafts (2-5) are fixedly connected with two rotating wheels (2-6), the upper end surfaces of the two lower supporting plates (2-7) are respectively jointed with the lower end surfaces of the two transverse sliding rails (1-1), the two rotating frame plates (2-4) at the front end are respectively jointed with the transverse sliding rails (1-1) at the front end, the two rotating frame plates (2-4) at the rear end are respectively jointed with the transverse sliding rails (1-1) at the rear end, the lower ends of the two rotating wheels (2-6) at the front end are contacted with the wheel carrying convex strips (1-2) at the front end, the lower ends of the two rotating wheels (2-6) at the rear end are contacted with the wheel carrying convex strips (1-2) at the rear end, the outer ends of the two lower supporting plates (2-7) are fixedly connected with side convex plates (2-8), the two side convex plates (2-8) are connected with jacking rods (2-9) in a sliding mode, the upper ends of the two jacking rods (2-9) penetrate through sliding rail grooves (1-5), the inner sides of the lower ends of the two jacking rods (2-9) are fixedly connected with connecting strips (2-11), the other ends of the two connecting strips (2-11) are fixedly connected with long round rods (2-10), two rotating frame plates (2-4) at the front end are connected with hand screws (6) through threads, and the two hand screws (6) are propped against the transverse sliding rails (1-1) at the front end;

the lever assembly (3) comprises a rear connecting plate (3-1), a rear middle plate (3-2), short slide holes (3-3), levers (3-4), fastening nuts (3-5) and threaded columns (3-6), the rear connecting plate (3-1) is fixedly connected between the rear ends of the two lower supporting plates (2-7), the lower end of the middle position of the rear connecting plate (3-1) is fixedly connected with the rear middle plate (3-2), the lower end of the rear middle plate (3-2) is fixedly connected with the threaded columns (3-6), the middle position of the lever (3-4) is inserted on the threaded columns (3-6) in a clearance fit manner, the rear ends of the threaded columns (3-6) are connected with the fastening nuts (3-5) through threads, and the lever (3-4) is positioned between the fastening nuts (3-5) and the rear middle plate (3-2), short sliding holes (3-3) are formed in the left end and the right end of the lever (3-4), and the rear ends of the two long round rods (2-10) are connected to the two short sliding holes (3-3) in a sliding mode.

2. A billboard according to claim 1, in which: the publicity board assembly (4) comprises a chute board (4-1), a transverse chute (4-2), a long sliding hole (4-3), a fastening screw I (4-4), a publicity board seat (4-5), a publicity board (4-6) and a publicity board slot (4-7), wherein the upper end and the lower end of the chute board (4-1) are respectively provided with the long sliding hole (4-3) and the transverse chute (4-2), the lower end of the chute board (4-1) is placed at the upper ends of two wheel shafts (2-5), the front end face of the chute board (4-1) is attached to the rear end faces of the two front rotating wheels (2-6), the rear end face of the chute board (4-1) is attached to the front end faces of the two rear rotating wheels (2-6), the upper end of the chute board (4-1) is fixedly connected with the publicity board seat (4-5), the upper end of the publicity board seat (4-5) is provided with a publicity board slot (4-7), the lower end of the publicity board (4-6) is inserted into the publicity board slot (4-7), the front end of the publicity board seat (4-5) is connected with two fastening screws I (4-4) through threads, the rear ends of the two fastening screws I (4-4) are both propped against the publicity board (4-6), and the upper ends of the two jacking rods (2-9) are both propped against the lower end face of the chute board (4-1).

3. A billboard according to claim 2, in which: the rotating mechanism (5) comprises a vertical moving rod (5-1), a spring sleeve rod seat (5-2), a spring sleeve rod (5-3), a short shaft (5-4), a square column (5-5), a sliding cylinder seat (5-6), a sliding cylinder (5-7), a rear stop block (5-8) and a fastening screw II (5-9), the vertical moving rod (5-1) is connected to the rectangular through hole (2-2) in a sliding manner, the lower end of the vertical moving rod (5-1) is fixedly connected with the spring sleeve rod seat (5-2), the upper end of the spring sleeve rod seat (5-2) is fixedly connected with the spring sleeve rod (5-3), a compression spring is sleeved on the spring sleeve rod (5-3), the upper end of the spring sleeve rod (5-3) is connected to the middle convex plate (2-3) in a sliding manner, the compression spring is positioned between the middle convex plate (2-3) and the spring sleeve rod seat (5-2), the square column (5-5) is connected to the horizontal sliding chute (4-2) in a sliding manner, the middle position of the front end of the spring loop bar (5-3) is fixedly connected with a short shaft (5-4), the front end of the short shaft (5-4) is connected to the upper end of the vertical moving bar (5-1) in a rotating manner through a bearing seat, the upper end of the square column (5-5) is fixedly connected with a sliding cylinder seat (5-6), the upper end of the sliding cylinder seat (5-6) is fixedly connected with a sliding cylinder (5-7), the sliding cylinder (5-7) is connected to the long sliding hole (4-3) in a sliding manner, the rear end of the sliding cylinder (5-7) is fixedly connected with a rear stop block (5-8), the rear stop block (5-8) is attached to the rear end face of the sliding chute plate (4-1), and the rear stop block (5-8) is connected, the front end of the fastening screw II (5-9) is propped against the chute plate (4-1).