Movable rack for propaganda

Abstract

The utility model relates to the technical field of movable frames, and discloses a movable frame for propaganda, which is characterized in that a propaganda frame adjusting mechanism is arranged at the top of a bottom plate, a shielding shed is arranged at the top of the propaganda frame adjusting mechanism, the bottom of the shielding shed is fixedly connected with an illuminating lamp strip, and a propaganda frame fixing mechanism is arranged in the bottom plate; and universal wheels are fixedly connected to the bottom of the bottom plate. A pressing plate is pressed to drive a pushing trapezoidal rod outside a limiting sliding rod to push a second circular ring ratchet block outside a pushing cylindrical inclined block to be separated from a first circular ring ratchet block, so that the publicity board can rotate in a connecting block, the pressing plate is loosened, a pushing spring drives the pressing plate to rebound, and the publicity board can be used for publicity. A spring pushes a second annular ratchet block to fix the rotating position of the publicity board outside the first annular ratchet block, the publicity board can rotate to be parallel to the ground, one person can conveniently paste posters, the operation steps are simplified, a rotating screw drives a limiting rod at the bottom of a sliding plate to slide in a bottom plate, the limiting rod drives a supporting plate to make contact with the ground, and therefore the publicity board is convenient to use. And positioning of the device is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile racks, in particular to a mobile rack for publicity. Background Art

[0002] In order to publicize clean culture education activities, such as creating clean culture parks and holding clean family exhibitions, to enrich clean culture activities, expand the appeal and appeal of clean culture, and make the construction of clean culture go deeper and more practical, a mobile stand for publicity is needed.

[0003] According to a mobile propaganda stand disclosed on the patent website (authorization announcement number: CN 218447162 U), "The utility model discloses a mobile propaganda stand, including a propaganda board, a cover plate is provided on the front outer wall of the propaganda board, support rods are provided on the left and right outer walls of the propaganda board, and shielding devices are provided on the right outer wall and the upper outer wall of the support rod. The shielding device is composed of a top cover, an adjusting rod, a stretching plate, an adjusting slot and a locking screw. The uppermost side of the outer wall of the right end of the support rod is provided with an adjusting slot, the upper outer wall of the support rod is provided with an adjusting rod, the upper outer wall of the adjusting rod is provided with a top cover, and stretching plates are provided inside the front and rear outer walls of the top cover. The shielding device can expand the shielding area of ​​the top cover by stretching the plates when the sun is strong or it rains, and the top cover can also be adjusted upward to prevent staff from being exposed to the sun and rain. The cleaning device can quickly clean dust and some fingerprints on the glass window through cleaning cotton, thereby reducing the workload of staff."

[0004] In response to the above description, the applicant believes that the following problems exist: when the device is used, the original top cover is changed so that the top cover can be telescopically adjusted. The shielding device can expand the shielding area of ​​the top cover by stretching the plate when the sun is strong or it rains, and the top cover can also be adjusted upward to prevent the staff from being exposed to the sun and rain. The device cannot adjust the height of the propaganda board as needed. Secondly, when the device is used to post posters, since the propaganda board is perpendicular to the ground, multiple people are required to hold the poster in order to post it, and the operation steps are very cumbersome. Utility Model Content

[0005] The purpose of the present invention is to provide a mobile stand for promotion, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a mobile promotional stand, comprising a base plate, a promotional stand adjustment mechanism provided on the top of the base plate, a shielding canopy provided on the top of the promotional stand adjustment mechanism, a lighting strip fixedly connected to the bottom of the shielding canopy, a promotional stand fixing mechanism provided inside the base plate, and universal wheels fixedly connected to the bottom of the base plate;

[0007] The publicity rack adjustment mechanism includes a rack height adjustment component and a publicity board angle adjustment component. The rack height adjustment component is arranged outside the publicity board angle adjustment component.

[0008] Preferably, the frame height adjustment assembly includes an installation box, the installation box is fixedly connected to the top of the base plate, the top of the installation box is fixedly connected to a support strip, the inside of the installation box is fixedly connected to a connecting seat, the outside of the installation box is fixedly connected to a motor, the output end of the motor is fixedly connected to a double-headed bevel gear rod, the outside of the double-headed bevel gear rod is meshed with a bevel gear, and the top of the bevel gear is fixedly connected to a screw. Since the installation box is provided, it is beneficial to provide an installation basis for other groups.

[0009] Preferably, all through holes are seen at corresponding positions of the mounting box and the bevel gear, and the bevel gear is rotatably connected to the inside of the mounting box. Since the bevel gear is provided, it is conducive to driving the screw to rotate inside the mounting box.

[0010] Preferably, the angle adjustment assembly of the propaganda board includes a connecting block, the connecting block is threadedly connected to the outside of the supporting strip, the internal rotation of the connecting block is connected to an annular ratchet block 1, the outside of the annular ratchet block 1 is fixedly connected to the propaganda board, the internal sliding connection of the connecting block is an annular ratchet block 2, the outside of the annular ratchet block 2 is fixedly connected to a pushing cylindrical oblique block, and a spring is provided at the outside middle position of the annular ratchet block 2 and the inner of the connecting block, the inner fixed connection of the propaganda board is connected to the fixing plate, the inner sliding connection of the fixing plate is connected to the sliding rod, the outer side of the sliding rod is fixedly connected to a pressing plate, and a pushing spring is provided at the outside of the pressing plate and the outer middle position of the fixing plate. One end of the outer side of the pressing plate is fixedly connected to the limiting sliding rod, and the outer side of the limiting sliding rod is fixedly connected to a pushing trapezoidal rod. Since the pushing trapezoidal rod is provided, it is conducive to pushing the cylindrical oblique block to slide inside the propaganda board.

[0011] Preferably, through holes are opened at corresponding positions of the annular ratchet block 1, the publicity board and the pushing cylindrical oblique block, and the pushing cylindrical oblique block passes through the annular ratchet block 1 and is slidably connected to the inside of the publicity board. Since the annular ratchet block 1 is provided, it is beneficial to cooperate with the annular ratchet block 2 to limit the rotation of the publicity board.

[0012] Preferably, a sliding groove is provided at the corresponding positions of the support strip and the connecting block, and the connecting block is slidably connected to the inside of the support strip. Since the support strip is provided, it is convenient for the connecting block to slide.

[0013] Preferably, the promotional stand fixing mechanism includes a rotating screw, which is rotatably connected to the inside of the base plate, the external thread of the rotating screw is connected to a sliding plate, the bottom of the sliding plate is fixedly connected to a limiting rod, the bottom of the limiting rod is fixedly connected to a support plate, and the top of the rotating screw is fixedly connected to a rotating handle plate. Since the rotating screw is provided, it is beneficial to drive the limiting rod at the bottom of the sliding plate to slide inside the base plate.

[0014] Preferably, through holes are provided at corresponding positions of the bottom plate and the limiting rod, and the limiting rod is slidably connected to the inside of the bottom plate. The provision of the limiting rod is conducive to limiting the sliding direction of the support plate.

[0015] Compared with the prior art, the present invention provides a mobile promotional stand with the following advantages:

[0016] 1. The mobile propaganda stand is provided with a frame height adjustment component and a propaganda board angle adjustment component in the propaganda stand adjustment mechanism. The frame height adjustment component is arranged on the outside of the propaganda board angle adjustment component. By pressing the push plate, the pushing trapezoidal rod outside the limit sliding rod drives the circular ratchet block 2 outside the cylindrical oblique block to disengage from the circular ratchet block 1, so that the propaganda board can rotate inside the connecting block. Release the push plate, so that the pushing spring drives the push plate to rebound. At the same time, the spring pushes the circular ratchet block 2 to fix the rotation position of the propaganda board outside the circular ratchet block 1. The propaganda board can be rotated to be parallel to the ground, which is convenient for one person to post posters and simplifies the operation steps.

[0017] 2. The mobile promotional stand is used in conjunction with the promotional stand adjustment mechanism through the promotional stand fixing mechanism. By rotating the screw, the limit rod at the bottom of the sliding plate is driven to slide inside the bottom plate, so that the limit rod drives the support plate to contact the ground, which is conducive to positioning the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the height adjustment component structure of the publicity stand adjustment mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the adjustment mechanism of the publicity stand of the utility model;

[0022] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at point A;

[0023] Figure 5 This is a schematic diagram of the structure of the angle adjustment component of the publicity board adjustment mechanism of the utility model;

[0024] Figure 6 Based Figure 5 A schematic diagram of the enlarged structure at point B;

[0025] Figure 7 This is a schematic diagram of the fixing mechanism structure of the publicity rack of the utility model.

[0026] In the figure: 1. bottom plate; 2. publicity rack adjustment mechanism; 21. rack height adjustment assembly; 211. installation box; 212. connecting seat; 213. motor; 214. double-headed bevel gear rod; 215. bevel gear; 216. screw; 217. support strip; 22. publicity board angle adjustment assembly; 221. connecting block; 222. annular ratchet block 1; 223. annular ratchet block 2; 224. push cylindrical oblique block; 225. spring; 226. fixing plate; 227. sliding rod; 228. pushing spring; 229. limiting sliding rod; 2210. publicity board; 2211. pushing trapezoidal rod; 2212. pressing plate; 3. publicity rack fixing mechanism; 31. rotating screw; 32. sliding plate; 33. limiting rod; 34. support plate; 35. rotating handle plate; 4. shelter; 5. lighting strip; 6. universal wheel. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances. Example 1:

[0029] See also Figure 1-7The utility model provides a technical solution: a mobile promotional stand, comprising a base plate 1, a promotional stand adjustment mechanism 2 is provided on the top of the base plate 1, a shielding shed 4 is provided on the top of the promotional stand adjustment mechanism 2, a lighting strip 5 is fixedly connected to the bottom of the shielding shed 4, a promotional stand fixing mechanism 3 is provided inside the base plate 1, and a universal wheel 6 is fixedly connected to the bottom of the base plate 1;

[0030] The publicity rack adjustment mechanism 2 includes a rack height adjustment component 21 and a publicity board angle adjustment component 22 . The rack height adjustment component 21 is disposed outside the publicity board angle adjustment component 22 .

[0031] Furthermore, the frame height adjustment assembly 21 includes an installation box 211, which is fixedly connected to the top of the base plate 1, and the top of the installation box 211 is fixedly connected to a support strip 217, the interior of the installation box 211 is fixedly connected to a connecting seat 212, the outside of the installation box 211 is fixedly connected to a motor 213, the output end of the motor 213 is fixedly connected to a double-headed bevel gear rod 214, the outside of the double-headed bevel gear rod 214 is meshed with a bevel gear 215, and the top of the bevel gear 215 is fixedly connected to a screw 216. Since the installation box 211 is provided, it is beneficial to provide an installation basis for other groups.

[0032] Furthermore, all through holes are seen at corresponding positions of the mounting box 211 and the bevel gear 215 , and the bevel gear 215 is rotatably connected to the inside of the mounting box 211 . Since the bevel gear 215 is provided, it is beneficial to drive the screw 216 to rotate inside the mounting box 211 .

[0033] Furthermore, the angle adjustment component 22 of the publicity board includes a connecting block 221, which is threadedly connected to the outside of the supporting strip 217, and the internal rotation of the connecting block 221 is connected to the annular ratchet block 1 222, and the external fixed connection of the annular ratchet block 1 222 is connected to the publicity board 2210, and the internal sliding connection of the connecting block 221 is connected to the annular ratchet block 223, and the external fixed connection of the annular ratchet block 223 is connected to the pushing cylindrical inclined block 224, and a spring 225 is provided at the middle position between the external part of the annular ratchet block 223 and the internal part of the connecting block 221, and the internal fixed connection of the publicity board 2210 is connected to the annular ratchet block 223. It is connected to a fixed plate 226, and the internal sliding connection of the fixed plate 226 is a sliding rod 227, and the external fixed connection of the sliding rod 227 is a pressing plate 2212, and a pushing spring 228 is provided at the middle position between the external part of the pressing plate 2212 and the external part of the fixed plate 226. The external end of the pressing plate 2212 away from the sliding rod 227 is fixedly connected to a limiting sliding rod 229, and the external part of the limiting sliding rod 229 is fixedly connected to a pushing trapezoidal rod 2211. Since the pushing trapezoidal rod 2211 is provided, it is conducive to pushing the cylindrical inclined block 224 to slide inside the promotional board 2210.

[0034] Furthermore, through holes are opened at corresponding positions of the annular ratchet block 222, the publicity board 2210 and the pushing cylindrical inclined block 224, and the pushing cylindrical inclined block 224 passes through the annular ratchet block 222 and is slidably connected to the inside of the publicity board 2210. Since the annular ratchet block 222 is provided, it is beneficial to cooperate with the annular ratchet block 223 to limit the rotation of the publicity board 2210.

[0035] Furthermore, a sliding groove is provided at the corresponding positions of the support strip 217 and the connecting block 221, and the connecting block 221 is slidably connected to the inside of the support strip 217. Since the support strip 217 is provided, it is convenient for the connecting block 221 to slide. Example 2:

[0036] See also Figure 7 , and combined with Example 1, it is further obtained that the promotional stand fixing mechanism 3 includes a rotating screw 31, the rotating screw 31 is rotatably connected to the inside of the base plate 1, the external thread of the rotating screw 31 is connected to the sliding plate 32, the bottom of the sliding plate 32 is fixedly connected to the limiting rod 33, the bottom of the limiting rod 33 is fixedly connected to the support plate 34, and the top of the rotating screw 31 is fixedly connected to the rotating handle plate 35. Since the rotating screw 31 is provided, it is conducive to driving the limiting rod 33 at the bottom of the sliding plate 32 to slide inside the base plate 1.

[0037] Furthermore, through holes are opened at corresponding positions of the bottom plate 1 and the limiting rod 33 , and the limiting rod 33 is slidably connected to the inside of the bottom plate 1 . The provision of the limiting rod 33 is conducive to limiting the sliding direction of the support plate 34 .

[0038] When the device is in use, first, the shielding shed 4 at the bottom of the base plate 1 is used to move the device to the place where it needs to be used, and the sliding plate 32 outside the rotating screw 31 is driven to move by rotating the rotating handle plate 35. The sliding plate 32 drives the support plate 34 at the bottom of the limiting rod 33 to slide inside the base plate 1, so that the support plate 34 contacts the ground, thereby fixing the position of the device movement, and by pressing the pressing plate 2212, the sliding rod 227 is driven to slide inside the fixed plate 226, so that the limiting sliding rod 229 pushes the annular ratchet block 223 outside the cylindrical oblique block 224 to slide inside the connecting block 221, so that the annular ratchet block 223 releases the restriction on the annular ratchet block 1 222, and then the propaganda board 2210 is rotated to contact the ground. Vertically, release the push plate 2212 to make the push spring 228 and spring 225 rebound, and the spring 225 pushes the annular ratchet block 223 to contact the annular ratchet block 1 222 to fix the rotation position of the propaganda board 2210. Then one person can post posters on the surface of the propaganda board 2210, and then adjust it to be perpendicular to the ground. Then, the motor 213 outside the installation box 211 drives the double-headed bevel gear rod 214 to rotate inside the connecting seat 212, so that the double-headed bevel gear rod 214 drives the screw 216 at the top of the bevel gear 215 to rotate inside the installation box 211, so that the screw 216 drives the propaganda board 2210 on the inside of the connecting block 221 to slide inside the supporting strip 217, thereby adjusting the height of the propaganda board 2210.

[0039] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A mobile stand for publicity, comprising a bottom plate (1), characterized in that: A propaganda rack adjustment mechanism (2) is provided on the top of the bottom plate (1), a shielding shed (4) is provided on the top of the propaganda rack adjustment mechanism (2), a lighting strip (5) is fixedly connected to the bottom of the shielding shed (4), a propaganda rack fixing mechanism (3) is provided inside the bottom plate (1), and a universal wheel (6) is fixedly connected to the bottom of the bottom plate (1); The publicity rack adjustment mechanism (2) comprises a rack height adjustment component (21) and a publicity board angle adjustment component (22), wherein the rack height adjustment component (21) is arranged outside the publicity board angle adjustment component (22); The frame height adjustment assembly (21) includes an installation box (211), the installation box (211) is fixedly connected to the top of the base plate (1), the top of the installation box (211) is fixedly connected to a support strip (217), the interior of the installation box (211) is fixedly connected to a connecting seat (212), the exterior of the installation box (211) is fixedly connected to a motor (213), the output end of the motor (213) is fixedly connected to a double-headed bevel gear rod (214), the exterior of the double-headed bevel gear rod (214) is meshed with a bevel gear (215), and the top of the bevel gear (215) is fixedly connected to a screw rod (216).

2. The mobile promotional stand according to claim 1, characterized in that: All through holes are located at corresponding positions of the mounting box (211) and the bevel gear (215), and the bevel gear (215) is rotatably connected to the interior of the mounting box (211).

3. The mobile promotional stand according to claim 1, characterized in that: The propaganda board angle adjustment assembly (22) comprises a connecting block (221), the connecting block (221) being threadedly connected to the outside of the supporting strip (217), the inside of the connecting block (221) being rotatably connected to a circular ratchet block 1 (222), the outside of the circular ratchet block 1 (222) being fixedly connected to the propaganda board (2210), the inside of the connecting block (221) being slidably connected to a circular ratchet block 2 (223), the outside of the circular ratchet block 2 (223) being fixedly connected to a pushing cylindrical inclined block (224), and a central position between the outside of the circular ratchet block 2 (223) and the inside of the connecting block (221) being provided with a The promotional board (2210) is fixedly connected to a fixed plate (226) on the inside, the fixed plate (226) is slidably connected to a sliding rod (227) on the inside, the sliding rod (227) is fixedly connected to a pressing plate (2212) on the outside, a pushing spring (228) is provided at a position between the outside of the pressing plate (2212) and the outside of the fixed plate (226), the outside of the pressing plate (2212) is fixedly connected to a limiting sliding rod (229) at one end thereof away from the sliding rod (227), and the outside of the limiting sliding rod (229) is fixedly connected to a pushing trapezoidal rod (2211).

4. The mobile promotional stand according to claim 3, characterized in that: Through holes are provided at corresponding positions of the annular ratchet block 1 (222), the publicity board (2210) and the pushing cylindrical inclined block (224), and the pushing cylindrical inclined block (224) passes through the annular ratchet block 1 (222) and is slidably connected to the inside of the publicity board (2210).

5. The mobile promotional stand according to claim 3, characterized in that: Slide grooves are provided at corresponding positions of the support strip (217) and the connection block (221), and the connection block (221) is slidably connected to the inside of the support strip (217).

6. The mobile promotional stand according to claim 3, characterized in that: The promotional stand fixing mechanism (3) comprises a rotating screw (31), the rotating screw (31) is rotatably connected to the inside of the bottom plate (1), the external thread of the rotating screw (31) is connected to a sliding plate (32), the bottom of the sliding plate (32) is fixedly connected to a limiting rod (33), the bottom of the limiting rod (33) is fixedly connected to a support plate (34), and the top of the rotating screw (31) is fixedly connected to a rotating handle plate (35).

7. The mobile promotional stand according to claim 6, characterized in that: Through holes are provided at corresponding positions of the bottom plate (1) and the limiting rod (33), and the limiting rod (33) is slidably connected to the inside of the bottom plate (1).

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