Multifunctional education and propaganda mobile platform

Abstract

The application relates to the technical field of education propaganda, and discloses a multifunctional education propaganda mobile platform, which comprises a propaganda table, storage grooves are formed in the front and the rear of the left and right sides below the inside of the propaganda table, the inside of the storage groove is communicated with the outside, a storage assembly is arranged in the storage groove, universal wheels are fixedly connected to the bottom of the storage assembly, a mounting groove one is formed in the rear of the upper part of the inside of the propaganda table, the upper surface of the inside of the mounting groove one is communicated with the outside, mounting grooves two are formed in the centers of the left and right sides of the inside of the mounting groove one, the display screen can be conveniently stored and protected and the universal wheels can be conveniently stored when the propaganda mobile platform is used, so that the display screen is not easily damaged when the propaganda mobile platform is not used, the parking stability of the propaganda mobile platform is high, and therefore the propaganda mobile platform can meet more use requirements.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of education propaganda, in particular to a multifunctional education propaganda mobile platform. BACKGROUND

[0002] Ideological education is very important in school education and teaching, and ideological education not only refers to classroom teaching, but also refers to propaganda and education of ideological knowledge in the campus, and ideological education is strengthened and guided through propaganda posters. Nowadays, mobile platform type propaganda posters are mostly displayed through display screens installed on propaganda columns and cooperate with pasted posters, and the bottom of the propaganda mobile platform is mostly provided with walking wheels for the convenience of moving the propaganda mobile platform. However, most of the existing education propaganda mobile platforms are inconvenient to store and protect the display screen and to store the walking wheels when in use, so that the display screen is exposed for a long time and is easy to be damaged when the propaganda mobile platform is not in use, and the ordinary universal wheel with a lock has a small contact area with the ground, so there is a high risk of displacement of the propaganda when in use due to accidental touch and other factors, thereby the parking stability of the propaganda mobile platform is poor, and the use demand cannot be met. SUMMARY

[0003] (I) Technical problems solved

[0004] In view of the deficiencies in the prior art, the present application provides a multifunctional education propaganda mobile platform to solve the problems in the background art.

[0005] (II) Technical solutions

[0006] In order to achieve the above object, the present application provides the following technical scheme: a multifunctional education and propaganda mobile platform, comprising a propaganda table, a receiving groove is formed in the front and rear of the left and right sides inside the lower part of the propaganda table, and the lower surface inside the receiving groove is communicated with the outside, a receiving assembly is arranged inside the receiving groove, a universal wheel is fixedly connected to the bottom of the receiving assembly, an installation groove one is formed in the rear of the upper part inside the propaganda table, and the upper surface inside the installation groove one is communicated with the outside, installation grooves two are formed in the center of the left and right sides inside the installation groove one, a rotating rod three is rotatably connected between the front and rear surfaces inside the installation groove two, a plurality of uniformly distributed clamping blocks are fixedly connected to the outer surface of the rotating rod three, an inner groove four is formed in the front inside the rotating rod three, a front and rear through threaded hole two is formed in the rear inside the inner groove four, a threaded rod two is screwedly connected in the threaded hole two, the rear end of the threaded rod two penetrates through the rear surface of the propaganda table, an extrusion block is fixedly connected to the front end of the threaded rod two, a through inner groove three is formed in the center inside the clamping block, a plurality of uniformly distributed and through inner grooves five are formed in the inner side wall of the inner groove four, the inner groove five is corresponding to the inner groove three inside, and the inner groove five is communicated with the inner groove three inside, a limiting rod is slidably connected between the inner groove three and the inner groove five, one end of the limiting rod close to the center inside the installation groove two is located in the inner groove four, a spring two is sleeved on the outer surface of the limiting rod in the inner groove three and the inner groove five, one end of the spring two close to the center inside the inner groove four is fixedly connected with the inner side wall of the inner groove five, and the other end of the spring two away from the center inside the inner groove four is fixedly connected with the outer surface of the limiting rod, connecting plates are slidably connected to the left and right sides inside the installation groove one, a display screen is fixedly installed between the two connecting plates, a plurality of uniformly distributed clamping grooves are formed in the side away from each other of the two connecting plates, and the clamping blocks are clamped in the clamping grooves, a limiting groove is formed in the side close to the center inside the installation groove one in the clamping groove, a horizontal plate is fixedly connected to the top of the two connecting plates, a display groove is formed in the upper front surface of the propaganda table, and a clamping assembly is arranged in the display groove.

[0007] Preferably, the accommodation assembly includes a sliding groove one opened at one side of the accommodation groove near the inner center of the propaganda table, a sliding block one is slidably connected inside the sliding groove one, a connecting rod two is fixedly connected to one side of the sliding groove one away from the inner center of the propaganda table, a connecting rod one is fixedly connected to one end of the connecting rod two near the inner center of the accommodation groove, and the top of the universal wheel is fixedly connected to the bottom end of the connecting rod one, a through groove is opened at one side of the inner center of the accommodation groove away from the inner center of the propaganda table, inner grooves two are opened on the front and back surfaces of the through groove, a rotating rod two is rotatably connected inside the inner groove two, a sleeve rod is fixedly connected to one end of the rotating rod two near the inner center of the through groove, an inner groove one is opened at one side of the inner center of the sleeve rod inside, a sliding plate one and a sliding plate two are slidably connected inside the inner groove one, a spring one is fixedly connected between the sliding plate one and the sliding plate two, a supporting rod is fixedly connected to one side of the sliding plate one near the inner center of the accommodation groove, and one end of the supporting rod near the inner center of the accommodation groove penetrates one end of the sleeve rod near the inner center of the accommodation groove, a recess is opened at one side of the connecting rod one away from the inner center of the propaganda table, the recess is rotatably connected to one end of the supporting rod near the inner center of the accommodation groove through a rotating rod one, a through threaded hole one is opened at one side of the inner groove one away from the inner center of the accommodation groove, and a threaded rod one is screwedly connected inside the threaded hole one.

[0008] Preferably, the clamping assembly includes a sliding groove two opened on the upper and lower surfaces of the display groove, a sliding block two is slidably connected inside the sliding groove two, and a clamping plate is fixedly connected to the opposite side of each of the two sliding blocks two. The rear surface of the clamping plate is fixedly connected with a clamping pad, the rear surface of the sliding block two is fixedly connected with an insertion rod, the top and bottom of the insertion rod are both provided with a mounting groove three, a clamping plate is rotatably connected to the mounting groove three through a rotating rod four, a spring three is fixedly connected between one side of the clamping plate near the inner center of the insertion rod and one side of the mounting groove three near the inner center of the insertion rod, an insertion groove is opened on the rear surface of the sliding groove two, and a handle three is fixedly connected to the front surface center of the clamping plate.

[0009] Preferably, one end of the threaded rod one away from the inner center of the accommodation groove penetrates one end of the sleeve rod away from the inner center of the accommodation groove, and a handle one is fixedly connected.

[0010] Preferably, one end of the threaded rod one near the inner center of the inner groove one is attached to one side of the sliding plate two away from the inner center of the accommodation groove.

[0011] Preferably, a placing groove is arranged below the center of the inside of the propaganda platform, and the front surface of the inside of the placing groove is communicated with the outside, and a placing box is inserted into the placing groove.

[0012] Preferably, the end of the limiting rod close to the center of the inside of the second mounting groove is arranged in an arc shape with the extrusion block.

[0013] Preferably, the rear end of the second threaded rod penetrates through the rear surface of the propaganda platform, and a handle four is fixedly connected.

[0014] Preferably, the top and the bottom of the clamping block are arranged in an inclined shape.

[0015] Preferably, a handle two is fixedly connected to the center of the top of the horizontal plate.

[0016] (Three) beneficial effects

[0017] The present application provides a multifunctional education propaganda mobile platform, which has the following beneficial effects:

[0018] (1), by pulling the horizontal plate, the display screen is moved out of the first mounting groove for use by the sliding of the connecting plate in the inside of the first mounting groove, and in the process of moving the connecting plate, the clamping groove will extrude the clamping block inside, then the clamping block is extruded to drive the rotating rod three to rotate, and when the other clamping block on the outer surface of the rotating rod three rotates to the corresponding position of the other clamping groove, the clamping block will be clamped in the clamping groove, so when the display screen is moved out of the inside of the first mounting groove, the clamping block will be clamped in the clamping groove to support and limit the position of the connecting plate, then rotating the second threaded rod to make the second threaded rod rotate and move in the second threaded hole, and the movement of the second threaded rod drives the extrusion block to extrude the limiting rod in the fourth inner groove, then the limiting rod is inserted into the limiting groove to stabilize the clamping of the clamping block in the clamping groove, so that the display screen remains stable after being moved out, when it is needed to be retracted, the extrusion of the extrusion block on the limiting rod is disconnected by rotating the second threaded rod, and the limiting rod is moved out of the limiting groove by the rebound force of the second spring which is extruded after being extruded, so that the limiting of the clamping block in the clamping groove by the limiting rod disappears, and by moving the connecting plate again, the display screen is stored in the first mounting groove for protection, so that the display screen can be prevented from being damaged when not in use.

[0019] (2), by rotating the threaded rod one makes the threaded rod one out of the extrusion limit of the sliding plate two, so that the sliding plate two in the original place is under the rebound force of the compressed spring one, and make the spring one restore the original length, so that the clamping rod can be extruded after the sliding plate one moves inside the inner groove one, and then move the universal wheel upwards to make the connecting rod one rotate and extrude the sliding plate one inside the inner groove one to extrude the spring one, and the supporting rod can be stored to cooperate with the storage of the universal wheel, and then the supporting rod rotates to drive the sleeve rod to rotate through the rotating rod two and the rotating connection inside the inner groove two to cooperate with the storage of the universal wheel, and the universal wheel is limited by the sliding of the connecting rod two and the sliding block one inside the sliding groove one when moving, and then when the universal wheel is completely stored inside the storage groove, the threaded rod one is rotated again to make the threaded rod one extrude the sliding plate two and the spring one, so that the spring one is compressed and limited and cannot be contracted, so that the supporting rod can support the connecting rod one, and the universal wheel will not fall due to gravity in the storage groove, so that the propaganda platform can be attached to the ground after the universal wheel is stored, and the contact area between the propaganda mobile platform and the ground is increased, so that the propaganda mobile platform is more stable when placed during display.

[0020] (3), by moving the handle three to move the clamping plate, and then the movement of the clamping plate drives the sliding block two to slide inside the sliding groove two, and the movement of the sliding block two drives the insertion rod to move and insert into the insertion slot, and then the arc-shaped clamping plate is extruded and rotated and contracted through the rotating connection of the rotating rod four, and the clamping plate is extruded and rotated and contracted, and the spring three has a rebound force, and then the clamping plate and the clamping pad are moved to be attached to the poster, and the clamping plate is inserted into the insertion slot behind the clamping plate, and is clamped in the insertion slot under the rebound force of the spring three, so that the position of the clamping plate and the clamping pad after moving can be fixed, so that the clamping plate and the clamping pad can clamp the poster placed in the display slot, and when the poster needs to be replaced, the clamping plate and the clamping pad can be separated from the extrusion clamping of the poster by pulling the clamping plate through the handle three to make the insertion rod move and drive the clamping plate to move out of the insertion slot, so that the propaganda mobile platform is convenient for the installation and disassembly of the poster and is easy to use. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic view of the cross-sectional structure of the present application;

[0022] Figure 2 It is a schematic view of the cross-sectional structure of the present application; Figure 1

[0023] Figure 3 It is a schematic view of the cross-sectional structure of the present application; Figure 1

[0024] Figure 4 ​​It is a partial right structure schematic view of the application;

[0025] Figure 5 It is a partial right structure schematic view of the application Figure 4 It is an enlarged structure schematic view at C in the application;

[0026] Figure 6 It is a partial right structure schematic view of the application

[0027] In the figure: 1, universal wheel; 2, propaganda table; 3, storage assembly; 301, connecting rod one; 302, sliding groove one; 303, sliding block one; 304, connecting rod two; 305, rotating rod one; 306, groove; 307, sliding plate one; 308, inner groove one; 309, sleeve rod; 310, threaded hole one; 311, threaded rod one; 312, handle one; 313, through groove; 314, sliding plate two; 315, spring one; 316, support rod; 317, rotating rod two; 318, inner groove two; 4, storage groove; 5, mounting groove one; 6, connecting plate; 7, display screen; 8, mounting groove two; 9, clamping groove; 10, limiting groove; 11, horizontal plate; 12, handle two; 13, placing groove; 14, placing box; 15, clamping block; 16, limiting rod; 17, inner groove three; 18, spring two; 19, rotating rod three; 20, inner groove four; 21, inner groove five; 22, display groove; 23, clamping assembly; 2301, handle three; 2302, sliding block two; 2303, clamping plate; 2304, clamping pad; 2305, clamping plate; 2306, sliding groove two; 2307, insertion groove; 2308, insertion rod; 2309, rotating rod four; 2310, spring three; 2311, mounting groove three; 24, extrusion block; 25, threaded hole two; 26, threaded rod two; 27, handle four. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the application will be clearly and completely described with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0029] As Figures 1-6The multifunctional education and propaganda mobile platform provided by the present application comprises a propaganda table 2, a receiving groove 4 is formed in the front and rear of the left and right sides inside the lower part of the propaganda table 2, and the inner lower surface of the receiving groove 4 is communicated with the outside, a receiving assembly 3 is arranged inside the receiving groove 4, universal wheels 1 are fixedly connected to the bottom of the receiving assembly 3, an installation groove one 5 is formed in the rear of the upper part inside the propaganda table 2, and the inner upper surface of the installation groove one 5 is communicated with the outside, installation grooves two 8 are formed in the center of the left and right sides inside the installation groove one 5, rotating rods three 19 are rotatably connected between the front and rear surfaces inside the installation grooves two 8, a plurality of clamping blocks 15 are fixedly connected to the outer surface of the rotating rods three 19, an inner groove four 20 is formed in the front inside the rotating rods three 19, a front and rear penetrating threaded hole two 25 is formed in the rear inside the inner groove four 20, a threaded rod two 26 is screw-connected inside the threaded hole two 25, the rear end of the threaded rod two 26 penetrates through the rear surface of the propaganda table 2, a pressing block 24 is fixedly connected to the front end of the threaded rod two 26, a penetrating inner groove three 17 is formed in the center inside the clamping block 15, a plurality of penetrating inner grooves five 21 are formed in the inner side wall of the inner groove four 20, the inner surface of the inner groove five 21 corresponds to the inner surface of the inner groove three 17, and the inner surface of the inner groove five 21 is communicated with the inner surface of the inner groove three 17, a limiting rod 16 is slidably connected between the inner surface of the inner groove three 17 and the inner surface of the inner groove five 21, one end of the limiting rod 16 close to the center inside the installation groove two 8 is located inside the inner groove four 20, a spring two 18 is sleeved on the outer surface of the limiting rod 16 inside the inner groove three 17 and the inner groove five 21, one end of the spring two 18 close to the center inside the inner groove four 20 is fixedly connected to the inner side wall of the inner groove five 21, and the other end of the spring two 18 away from the center inside the inner groove four 20 is fixedly connected to the outer surface of the limiting rod 16, connecting plates 6 are slidably connected to the left and right sides inside the installation groove one 5, a display screen 7 is fixedly installed between the two connecting plates 6, a plurality of clamping grooves 9 are formed in the side of the two connecting plates 6 away from each other, the clamping blocks 15 are clamped inside the clamping grooves 9, a limiting groove 10 is formed in the side of the clamping groove 9 close to the center inside the installation groove one 5, a horizontal plate 11 is fixedly connected to the top of the two connecting plates 6, a display groove 22 is formed in the upper front surface of the propaganda table 2, and a clamping assembly 23 is arranged inside the display groove 22.And when the other clamping block 15 on the outer surface of the rotating rod three 19 rotates to correspond to the other clamping groove 9, the clamping block 15 will be clamped inside the clamping groove 9 again, so when the display screen 7 moves out of the clamping block 15 inside the mounting slot one 5, the clamping block 15 will also be clamped inside the clamping groove 9 to support and limit the position of the connecting plate 6, and then rotate the threaded rod two 26 to make the threaded rod two 26 rotate and move inside the threaded hole two 25, and the movement of the threaded rod two 26 drives the extrusion block 24 to extrude the limiting rod 16 inside the inner groove four 20, and then the limiting rod 16 moves and inserts into the limiting groove 10 to stabilize the clamping block 15 clamped inside the clamping groove 9, so that the display screen 7 remains stable after moving out, when you need to retract, rotate the threaded rod two 26 to make the extrusion block 24 extrude the limiting rod 16, and after the limiting rod 16 is extruded, it is moved away from the limiting groove 10 by the rebound force of the extruded spring two 18, thereby making the limiting rod 16 disappear Limiting the position of the clamping block 15 inside the clamping groove 9, and moving the connecting plate 6 again to make the display screen 7 stored in the mounting slot one 5 for protection, so as to avoid the display screen 7 from being damaged when not in use, and when the display screen 7 is stored in the mounting slot one 5, the threaded rod two 26 can be rotated to make the limiting rod 16 insert into the limiting groove 10 to limit the position of the clamping block 15 inside the clamping groove 9, so that the display screen 7 is placed stably inside the mounting slot one 5, avoiding the display screen 7 from shaking when moving.

[0030] Further, the storage assembly 3 comprises a sliding groove one 302 opened at one side of the storage groove 4 close to the inner center of the propaganda table 2, a sliding block one 303 is slidably connected in the sliding groove one 302, a connecting rod two 304 is fixedly connected to the side of the sliding groove one 302 away from the inner center of the propaganda table 2, a connecting rod one 301 is fixedly connected to one end of the connecting rod two 304 close to the inner center of the storage groove 4, and the top of the universal wheel 1 is fixedly connected to the bottom end of the connecting rod one 301, a through groove 313 is opened at one side of the storage groove 4 away from the inner center of the propaganda table 2, inner grooves two 318 are opened on the front and back surfaces of the through groove 313, a rotating rod two 317 is rotatably connected in the inner grooves two 318, a sleeve rod 309 is fixedly connected to one end of the rotating rod two 317 close to the inner center of the through groove 313, an inner groove one 308 is opened at one side of the sleeve rod 309 close to the inner center of the storage groove 4, a sliding plate one 307 and a sliding plate two 314 are slidably connected in the inner groove one 308, a spring one 315 is fixedly connected between the sliding plate one 307 and the sliding plate two 314, a supporting rod 316 is fixedly connected to one side of the sliding plate one 307 close to the inner center of the storage groove 4, one end of the supporting rod 316 close to the inner center of the storage groove 4 penetrates one end of the sleeve rod 309 close to the inner center of the storage groove 4, a recess 306 is opened at one side of the connecting rod one 301 away from the inner center of the propaganda table 2, the recess 306 is rotatably connected to one end of the supporting rod 316 close to the inner center of the storage groove 4 through a rotating rod one 305, a through threaded hole one 310 is opened at one side of the inner groove one 308 away from the inner center of the storage groove 4, and a threaded rod one 311 is screwedly connected in the threaded hole one 310, so when the storage assembly 3 is used to store the universal wheel 1, the threaded rod one 311 is first rotated to make the threaded rod one 311 disengage from the compression limiting of the sliding plate two 314, so that the sliding plate two 314 can move under the rebound force of the originally compressed spring one 315, and the spring one 315 can recover to the original length, so that the clamping rod can push the sliding plate one 307 to move in the inner groove one 308 after being compressed, then the universal wheel 1 can be moved upward to make the connecting rod one 301 rotate to compress the sliding plate one 307 to move in the inner groove one 308 and compress the spring one 315, and the supporting rod 316 can be stored to cooperate with the storage of the universal wheel 1, then the supporting rod 316 is rotated to drive the sleeve rod 309 to rotate through the rotating connection of the rotating rod two 317 and the inner grooves two 318 to cooperate with the storage of the universal wheel 1, and the sliding of the connecting rod two 304 and the sliding block one 303 in the sliding groove one 302 limits the movement of the universal wheel 1, then when the universal wheel 1 is completely stored in the storage groove 4, the threaded rod one 311 is again rotated to make the threaded rod one 311 compress the sliding plate two 314 and the spring one 315 to make the spring one 315 compressed and limited to be unable to contract, so that the supporting rod 316 can support the connecting rod one 301,And make sure that the universal wheel 1 does not fall inside the storage groove 4 due to gravity, thereby making the promotion platform 2 can be attached to the ground after the universal wheel 1 is stored, and the contact area between the promotion mobile platform and the ground is increased, so that the promotion mobile platform is more stable when placed during display. When it is necessary to move again, rotate the threaded rod one 311 to make the limiting of the sliding plate two 314 disappear, so that the universal wheel 1 can be removed from the inside of the storage groove 4, and when it is removed, rotate the threaded rod one 311 again to limit the sliding plate two 314 to make the universal wheel 1 stable after being removed, so that the universal wheel 1 of the promotion mobile platform is convenient to store and remove.

[0031] Further, the clamping assembly 23 comprises a sliding groove two 2306 opened on the upper and lower surfaces of the display groove 22, the sliding groove two 2306 is slidably connected with a sliding block two 2302, the opposite side of the two sliding block two 2302 is fixedly connected with a clamping plate 2303, the rear surface of the clamping plate 2303 is fixedly connected with a clamping pad 2304, the rear surface of the sliding block two 2302 is fixedly connected with a plug rod 2308, the top and bottom of the plug rod 2308 is opened with a mounting groove three 2311, the mounting groove three 2311 is rotatably connected with a clamping plate 2305 through a rotating rod four 2309, the side of the clamping plate 2305 close to the inner center of the plug rod 2308 and the side of the mounting groove three 2311 close to the inner center of the plug rod 2308 is fixedly connected with a spring three 2310, the rear surface of the sliding groove two 2306 is opened with a plug slot 2307, and the front surface center of the clamping plate 2303 is fixedly connected with a handle three 2301, so when the clamping assembly 23 is used to clamp the poster placed in the display groove 22, first move the clamping plate 2303 through the handle three 2301, then the movement of the clamping plate 2303 drives the sliding block two 2302 to slide in the sliding groove two 2306, and the movement of the sliding block two 2302 drives the plug rod 2308 to move and insert into the plug slot 2307, then the arc-shaped clamping plate 2305 is squeezed and rotated to shrink through the rotating rod four 2309, and the clamping plate 2305 rotates and shrinks to squeeze the spring three 2310, so that the spring three 2310 has a rebound force, and then the clamping plate 2303 and the clamping pad 2304 are moved to be attached to the poster, the clamping plate 2305 is inserted into the plug slot 2307, and is clamped in the plug slot 2307 under the action of the rebound force of the spring three 2310, so that the position of the clamping plate 2303 and the clamping pad 2304 after moving can be stabilized, so that the clamping plate 2303 and the clamping pad 2304 can clamp the poster placed in the display groove 22, and when the poster needs to be replaced, the clamping plate 2303 is pulled through the handle three 2301 to drive the plug rod 2308 to move and drive the clamping plate 2305 to move out of the plug slot 2307, so that the clamping plate 2303 and the clamping pad 2304 are separated from the poster, thereby the propaganda mobile platform is convenient for the installation and disassembly of the poster and is easy to use.

[0032] Further, one end of the threaded rod one 311 away from the inner center of the accommodation groove 4 penetrates through one end of the sleeve rod 309 away from the inner center of the accommodation groove 4, and is fixedly connected with a handle one 312, so that the rotation of the threaded rod one 311 is facilitated through the handle one 312.

[0033] Further, one end of the threaded rod one 311 close to the inner center of the inner groove one 308 is attached to one side of the sliding plate two 314 away from the inner center of the accommodation groove 4, so that the threaded rod one 311 can be separated from the sliding plate two 314.

[0034] Further, a placing groove 13 is arranged below the center of the inside of the propaganda platform 2, the front surface of the inside of the placing groove 13 is communicated with the outside, a placing box 14 is inserted into the inside of the placing groove 13, so the placing box 14 in the inside of the placing groove 13 can be pulled out to place things, and can place a storage battery to supply power for the display screen 7.

[0035] Further, the one end of the limiting rod 16 near the center of the inside of the second installation groove 8 and the extruding block 24 are all arranged in arc shape, so the extruding block 24 can extrude the limiting rod 16.

[0036] Further, the rear end of the second threaded rod 26 penetrates through the rear surface of the propaganda platform 2, and is fixedly connected with a handle four 27, so the rotation of the second threaded rod 26 is facilitated through the handle four 27.

[0037] Further, the top and the bottom of the clamping block 15 are all arranged in inclined shape, so the disengagement and clamping of the clamping block 15 and the clamping groove 9 are facilitated.

[0038] Further, the handle two 12 is fixedly connected to the top center of the horizontal plate 11, so the movement of the horizontal plate 11 is facilitated through the handle two 12.

[0039] In summary, the workflow of the present application: in use, first move to the designated place through the universal wheel 1 for use, then store the universal wheel 1 in the storage groove 4 through the storage assembly 3 so that the bottom of the propaganda platform 2 is in contact with the ground to make the stability of the flat placement of the propaganda mobile higher, then place the poster to be displayed in the display groove 22, and replace the poster through the clamping assembly 23, so that the propaganda mobile platform is convenient to use and has high practicality, and when the educational propaganda video needs to be played, the display screen 7 can be used by pulling the horizontal plate 11 to slide out of the installation groove one 5 through the connecting plate 6 in the installation groove one 5, and the connecting plate 6 is extruded by the clamping groove 9 during movement, then the clamping block 15 is extruded to drive the rotating rod three 19 to rotate, and when the other clamping block 15 on the surface of the rotating rod three 19 rotates to correspond to the other clamping groove 9, the clamping block 15 is clamped in the clamping groove 9, so when the display screen 7 moves out of the clamping block 15 in the clamping groove 9, the position of the connecting plate 6 is supported and limited, then the threaded rod two 26 is rotated and moved in the threaded hole two 25, and the movement of the threaded rod two 26 drives the extrusion block 24 to extrude the limiting rod 16 in the inner groove four 20, then the limiting rod 16 is inserted into the limiting groove 10 to stabilize the clamping block 15 clamped in the clamping groove 9, so that the display screen 7 remains stable after moving out, when it needs to be retracted, the extrusion of the extrusion block 24 on the limiting rod 16 is disconnected, and the limiting rod 16 is moved out of the limiting groove 10 by the rebound force of the extruded spring two 18, so that the limiting of the clamping block 15 in the clamping groove 9 by the limiting rod 16 disappears, and the display screen 7 is stored in the installation groove one 5 for protection by moving the connecting plate 6 again, so that the display screen 7 can be prevented from being damaged when not in use, and when the display screen 7 is stored in the installation groove one 5, the position of the clamping block 15 in the clamping groove 9 can be limited by rotating the threaded rod two 26 to insert the limiting rod 16 into the limiting groove 10, so that the display screen 7 is placed stably in the installation groove one 5, and the display screen 7 is prevented from shaking when moving.

[0040] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0041] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A multifunctional mobile platform for educational promotion, comprising a promotional platform (2), characterized in that: The advertising stand (2) has storage slots (4) on the front and rear sides of the left and right sides inside the bottom, and the lower surface of the storage slots (4) is connected to the outside. The storage slots (4) are equipped with storage components (3), and the bottom of the storage components (3) is fixedly connected with casters (1). The advertising stand (2) has a mounting slot 1 (5) on the rear side of the top, and the upper surface of the mounting slot 1 (5) is connected to the outside. The mounting slot 2 (8) is opened at the center of the left and right sides inside the mounting slot 1 (5). The mounting slot 2 (8) is rotatably connected between the front and rear surfaces of the mounting slot 2 (8). The outer surface of the rotating rod 3 (19) is fixedly connected with multiple evenly distributed rods. The locking block (15) has an inner groove four (20) at the front of the rotating rod three (19), and a threaded hole two (25) that runs through the front and back of the inner groove four (20). A threaded rod two (26) is threadedly connected inside the threaded hole two (25), and the rear end of the threaded rod two (26) runs through the rear surface of the advertising table (2). A pressing block (24) is fixedly connected to the front end of the threaded rod two (26). A through inner groove three (17) is opened at the center of the locking block (15). Multiple evenly distributed and through inner groove five (21) are opened on the inner side wall of the inner groove four (20). The interior of the inner groove five (21) corresponds to the interior of the inner groove three (17). Furthermore, the interior of the inner groove five (21) communicates with the interior of the inner groove three (17). The interior of the inner groove three (17) and the interior of the inner groove five (21) are slidably connected by a limiting rod (16). One end of the limiting rod (16) near the center of the interior of the mounting groove two (8) is located inside the inner groove four (20). The outer surface of the limiting rod (16) is fitted with a spring two (18) inside the inner groove three (17) and the inner groove five (21). One end of the spring two (18) near the center of the interior of the inner groove four (20) is fixedly connected to the inner sidewall of the inner groove five (21). The other end of the spring two (18) away from the center of the interior of the inner groove four (20) is fixedly connected to the limiting rod. The outer surface of the positioning rod (16) is fixedly connected. The left and right sides of the first mounting slot (5) are slidably connected to the connecting plate (6). The display screen (7) is fixedly installed between the two connecting plates (6). Multiple evenly distributed slots (9) are opened on the opposite side of the two connecting plates (6). The card block (15) is engaged in the slot (9). A limiting groove (10) is opened on the side of the slot (9) near the center of the first mounting slot (5). The top of the two connecting plates (6) is fixedly connected to a horizontal plate (11). A display slot (22) is opened above the front surface of the advertising table (2). A clamping component (23) is provided inside the display slot (22).

2. The multifunctional educational and promotional mobile platform according to claim 1, characterized in that: The storage component (3) includes a slide groove (302) located inside the storage slot (4) near the center of the advertising stand (2). A slider (303) is slidably connected inside the slide groove (302). A connecting rod (304) is fixedly connected to the side of the slide groove (302) away from the center of the advertising stand (2). A connecting rod (301) is fixedly connected to one end of the connecting rod (304) near the center of the storage slot (4). The top of the caster wheel (1) is fixedly connected to... At the bottom end of the connecting rod (301), a through groove (313) is provided on the side of the storage groove (4) away from the center of the advertising stand (2). An inner groove (318) is provided on both the front and back surfaces of the through groove (313). A rotating rod (317) is rotatably connected inside the inner groove (318). A sleeve rod (309) is fixedly connected to one end of the rotating rod (317) near the center of the through groove (313). The sleeve rod (309) is located near the center of the storage groove (4). An inner groove (308) is provided on one side of the center. A sliding plate (307) and a sliding plate (314) are slidably connected inside the inner groove (308). A spring (315) is fixedly connected between the sliding plate (307) and the sliding plate (314). A support rod (316) is fixedly connected to the side of the sliding plate (307) near the center of the storage groove (4). The end of the support rod (316) near the center of the storage groove (4) passes through the sleeve rod (309) and is close to the storage groove. (4) At one end of the inner center, the connecting rod (301) is provided with a groove (306) on the side away from the inner center of the advertising table (2). The groove (306) is rotatably connected to the support rod (316) near the inner center of the storage slot (4) by a rotating rod (305). The inner groove (308) is provided with a through threaded hole (310) on the side away from the inner center of the storage slot (4). The threaded hole (310) is threaded with a threaded rod (311).

3. The multifunctional educational and promotional mobile platform according to claim 1, characterized in that: The clamping assembly (23) includes a second sliding groove (2306) formed on the upper and lower surfaces inside the display slot (22). A second slider (2302) is slidably connected inside the second sliding groove (2306). A clamping plate (2303) is fixedly connected to one side of each of the two second sliders (2302). A clamping pad (2304) is fixedly connected to the rear surface of the clamping plate (2303). A rod (2308) is fixedly connected to the rear surface of each second slider (2302). Mounting grooves (2303) are formed at both the top and bottom of the rod (2308). 311), a clamping plate (2305) is rotatably connected inside the mounting groove three (2311) via a rotating rod four (2309). A spring three (2310) is fixedly connected between the side of the clamping plate (2305) near the center of the insert rod (2308) and the side of the mounting groove three (2311) near the center of the insert rod (2308). A slot (2307) is opened on the rear surface of the sliding groove two (2306). A handle three (2301) is fixedly connected to the center of the front surface of the clamping plate (2303).

4. The multifunctional educational and promotional mobile platform according to claim 2, characterized in that: The threaded rod (311) has one end that is away from the center of the storage groove (4) and passes through the sleeve rod (309) at the same end away from the center of the storage groove (4), and is fixedly connected to a handle (312).

5. A multifunctional educational and promotional mobile platform according to claim 2, characterized in that: One end of the threaded rod (311) near the center of the inner groove (308) is in contact with the side of the sliding plate (314) away from the center of the storage groove (4).

6. The multifunctional educational and promotional mobile platform according to claim 1, characterized in that: The advertising stand (2) has a placement slot (13) at the bottom of the center, and the front surface of the placement slot (13) is connected to the outside. A placement box (14) is inserted into the placement slot (13).

7. The multifunctional educational and promotional mobile platform according to claim 1, characterized in that: The end of the limiting rod (16) near the center of the mounting groove (8) and the extrusion block (24) are both set in an arc shape.

8. The multifunctional educational and promotional mobile platform according to claim 1, characterized in that: The rear end of the threaded rod 2 (26) passes through the rear surface of the advertising stand (2) and is fixedly connected to the handle 4 (27).

9. A multifunctional educational and promotional mobile platform according to claim 1, characterized in that: The top and bottom of the card block (15) are both set to be inclined.

10. A multifunctional educational and promotional mobile platform according to claim 1, characterized in that: A handle (12) is fixedly connected to the center of the top of the horizontal plate (11).

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