Propaganda device convenient to use

Abstract

The utility model discloses a convenient-to-use propaganda device which comprises a base, a plurality of hollow columns are symmetrically arranged at the upper end of the base, a slidable hollow rod is arranged in each hollow column in a penetrating mode, a rotatable rotating shaft is arranged in each hollow column in a penetrating mode, a long gear is fixedly arranged on each rotating shaft, and a rack is fixedly arranged on the inner side of each hollow rod. The rack is meshed with the long gear, a limiting mechanism is arranged on one side of the hollow column, the limiting mechanism is connected with the rotating shaft, a propaganda display board is fixedly arranged at the upper ends of the hollow rods, a containing groove is formed in the propaganda display board, two slidable splicing side plates are symmetrically arranged in the containing groove, and an adjusting mechanism is arranged in the containing groove; the adjusting mechanism is connected with the two splicing side plates, a plurality of supporting columns are symmetrically arranged at the lower end of the base in a penetrating mode, a plurality of sets of damping mechanisms are arranged in the base, and universal wheels are installed at the lower ends of the supporting columns respectively. The advertising display stand has the advantages that the structure is reasonable, the advertising height and the display range are convenient to adjust, and the stability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of publicity devices, in particular to a publicity device that is convenient to use. Background Art

[0002] Advertising devices are like media for delivering outdoor advertisements. In order to achieve better publicity effects, advertising devices are generally placed in crowded areas. And because crowded areas are located in uncertain locations, the use of mobile advertising devices can not only be convenient for movement according to crowded areas, but also attract the attention of the crowd and achieve better publicity effects.

[0003] The height of the publicity devices in the prior art is mostly fixed and difficult to adjust. When there are many onlookers, the viewing experience is affected. In addition, the display range of the publicity device cannot be adjusted, resulting in poor publicity effect. At the same time, the stability of the publicity device is poor, thus reducing its practicality. In view of the above problems, a solution is proposed below. Utility Model Content

[0004] The utility model aims to provide a convenient-to-use publicity device, which has the advantages of convenient adjustment of publicity height and display range and good stability.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A convenient propaganda device comprises a base, wherein a plurality of hollow columns are symmetrically arranged at the upper end of the base, a slidable hollow rod is respectively penetrated in each of the hollow columns, and slide grooves are respectively provided at both ends of the hollow rods, a rotatable shaft is penetrated in the hollow column, and slide grooves are respectively provided at both ends of the shaft, a long gear is fixed on the shaft, a rack is fixed on the inner side of the hollow rod, and the rack is meshed with the long gear, a limiting mechanism is arranged on one side of the hollow column, and the limiting mechanism is connected to the shaft to limit the rotation of the shaft, A publicity display board is fixedly provided at the upper end of several hollow rods, and a receiving groove is provided in the publicity display board, and two slidable spliced ​​side panels are symmetrically provided in the receiving groove, and an adjustment mechanism is provided in the receiving groove, and the adjustment mechanism is connected with the two spliced ​​side panels to drive the two spliced ​​side panels to move simultaneously, and several support columns are symmetrically penetrated at the lower end of the base, and several groups of shock-absorbing mechanisms are provided in the base, and several groups of shock-absorbing mechanisms are respectively connected to the upper ends of several support columns, and a universal wheel is respectively installed at the lower end of each of the support columns.

[0007] Preferably, the limiting mechanism includes a limiting pin, a limiting gear is fixedly provided at one end of the rotating shaft, and the top end of the limiting pin is meshed with the limiting gear, a protrusion is fixedly provided on one side of the hollow column, and the limiting pin is passed through the protrusion, a reset spring is passed through the limiting pin, and the reset spring is connected between the tail end of the limiting pin and one side of the protrusion.

[0008] Preferably, the adjustment mechanism includes a rotating block, a threaded rod is passed through the accommodating groove, and the lower end of the threaded rod is fixedly connected to the rotating block, a threaded seat is passed through the threaded rod, and adjustment rods are respectively hinged between the two ends of the threaded seat and one side of the two spliced ​​side panels.

[0009] Preferably, several groups of the shock absorbing mechanisms include damping rods and shock absorbing springs, several of the damping rods are respectively connected between the inner top of the base and the upper end of the support column, several of the shock absorbing springs are respectively passed through the damping rods, and both ends are fixedly connected to the inner top of the base and the upper end of the support column.

[0010] The beneficial effects of the utility model are:

[0011] 1. The rotation of the rotating shaft can drive the long gear to rotate, thereby driving the rack to move up and down, and finally driving the hollow rod to slide up and down along the hollow column, so as to adjust the display height of the publicity display board. After that, the rotation of the rotating shaft can be limited by the limiting mechanism, thereby limiting the rotation of the long gear, and finally limiting the movement of the hollow rod. Therefore, the display height of the publicity display board can be fixed, so as to facilitate onlookers to watch in crowded areas, and further improve the display effect of the publicity device, so as to facilitate its promotion and use.

[0012] 2. The two spliced ​​side panels can be driven to move simultaneously through the adjustment mechanism, so the spliced ​​side panels can be moved out of the receiving groove at the same time to increase the display range of the promotional device, so that the promotional device can display more content for people to watch, and further improve the display effect of the promotional device.

[0013] 3. The shock-absorbing mechanism can play a shock-absorbing and buffering role on the entire device, thereby effectively improving the overall stability of the propaganda device and increasing the service life of the propaganda device. A number of universal wheels can facilitate the movement and fixation of the entire device, thereby increasing the scope of use of the propaganda device and further improving the practicability of the propaganda device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment;

[0015] Figure 2 This is a schematic diagram of the internal structure of the promotional display board in the embodiment;

[0016] Figure 3It is a partial structural cross-sectional view of an embodiment;

[0017] Figure 4 Schematic diagram of the internal structure of the base in the embodiment;

[0018] Figure 5 for Figure 1 A magnified image of area A;

[0019] Figure 6 1 is a side view of the hollow rod in the embodiment.

[0020] Figure numerals: 1. base; 2. hollow column; 3. hollow rod; 4. slide groove; 5. rotating shaft; 6. long gear; 7. rack; 8. limiting mechanism; 9. publicity display board; 10. receiving groove; 11. spliced ​​side panel; 12. adjustment mechanism; 13. support column; 14. shock absorbing mechanism; 15. universal wheel; 16. limiting pin; 17. limiting gear; 18. bump; 19. reset spring; 20. rotating block; 21. threaded rod; 22. threaded seat; 23. adjustment rod; 24. damping rod; 25. shock absorbing spring. DETAILED DESCRIPTION

[0021] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. The same parts are represented by the same figure marks. It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom" and "top", "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0022] like Figures 1 to 6 As shown, a convenient-to-use propaganda device comprises a base 1, a plurality of supporting columns 13 are symmetrically penetrated at the lower end of the base 1, a plurality of groups of shock absorbing mechanisms 14 are arranged in the base 1, the plurality of groups of shock absorbing mechanisms 14 are respectively connected to the upper ends of the plurality of supporting columns 13, a universal wheel 15 is respectively installed at the lower end of each supporting column 13, the shock absorbing mechanism 14 can play a shock absorbing and buffering role for the whole device, thereby effectively improving the overall stability of the propaganda device, the plurality of universal wheels 15 can facilitate the movement and fixation of the whole device, thereby increasing the use range of the propaganda device, and further improving the practicability of the propaganda device.

[0023] Several groups of shock absorbing mechanisms 14 each include a damping rod 24 and a shock absorbing spring 25. Several damping rods 24 are respectively connected between the inner top of the base 1 and the upper end of the support column 13. Several shock absorbing springs 25 are respectively passed through the damping rods 24, and both ends are respectively fixedly connected to the inner top of the base 1 and the upper end of the support column 13. Through the cooperation of several damping rods 24 and shock absorbing springs 25, the vibration force on the support column 13 can be effectively reduced, thereby effectively reducing the vibration force generated when the propaganda device is moved or used, thereby improving the stability of the propaganda device and increasing the service life of the propaganda device.

[0024] A plurality of hollow columns 2 are symmetrically arranged at the upper end of the base 1, and a slidable hollow rod 3 is respectively penetrated in each hollow column 2, and slide grooves 4 are respectively opened at both ends of the hollow rod 3. A rotatable rotating shaft 5 is penetrated in the hollow column 2, and slide grooves 4 are respectively penetrated at both ends of the rotating shaft 5. A long gear 6 is fixedly arranged on the rotating shaft 5, and a rack 7 is fixedly arranged on the inner side of the hollow rod 3, and the rack 7 is meshed with the long gear 6. The long gear 6 can be driven to rotate by rotating the rotating shaft 5. Since the long gear 6 is meshed with the rack 7, the rack 7 can be driven to move up and down by rotating the long gear 6, and finally the hollow rod 3 can be driven to slide up and down along the hollow column 2. A limiting mechanism 8 is provided on one side of the hollow column 2, and the limiting mechanism 8 is connected to the rotating shaft 5 to limit the rotation of the rotating shaft 5. A propaganda display board 9 is fixedly provided at the upper end of the plurality of hollow rods 3. The propaganda display board 9 can be driven to move up and down by the plurality of hollow rods 3, so that the display height of the propaganda display board 9 can be adjusted. Afterwards, the rotation of the rotating shaft 5 can be limited by the limiting mechanism 8, thereby limiting the rotation of the long gear 6, and finally limiting the movement of the hollow rod 3. Therefore, the display height of the propaganda display board 9 can be fixed, so as to facilitate onlookers to watch in crowded areas, and further improve the display effect of the propaganda device, so as to facilitate promotion and use.

[0025] The limiting mechanism 8 includes a limiting pin 16, a limiting gear 17 is fixedly provided at one end of the rotating shaft 5, and the top end of the limiting pin 16 is meshed with the limiting gear 17, a protrusion 18 is fixedly provided on one side of the hollow column 2, and the limiting pin 16 is penetrated on the protrusion 18, a return spring 19 is penetrated on the limiting pin 16, and the return spring 19 is connected between the tail end of the limiting pin 16 and one side of the protrusion 18, by pulling the limiting pin 16 downward, the top end of the limiting pin 16 is separated from the limiting gear 17, at this time, the return spring 19 is stretched to generate elastic force, and then the limiting gear 17 can be rotated, thereby driving the rotation of the rotating shaft 5 and the long gear 6, when the propaganda display board 9 is adjusted to a suitable height, the limiting pin 16 can be driven to return to the initial position by the reset action of the return spring 19, and finally the top end of the limiting pin 16 can be meshed with the limiting gear 17 again to limit the rotation of the limiting gear 17, and finally the rotation of the rotating shaft 5 and the long gear 6 can be limited.

[0026] A receiving groove 10 is provided in the promotional display board 9, and two slidable splicing side panels 11 are symmetrically provided in the receiving groove 10. An adjusting mechanism 12 is provided in the receiving groove 10, and the adjusting mechanism 12 is connected to the two splicing side panels 11 to drive the two splicing side panels 11 to move simultaneously. The two splicing side panels 11 can be driven to move simultaneously by the adjusting mechanism 12, so the splicing side panels 11 can be moved out of the receiving groove 10 at the same time to increase the display range of the promotional device, so that the promotional device can display more content for people to watch, and the display effect of the promotional device can be further improved.

[0027] The adjusting mechanism 12 includes a rotating block 20, a threaded rod 21 is inserted into the accommodating groove 10, and the lower end of the threaded rod 21 is fixedly connected to the rotating block 20, a threaded seat 22 is inserted into the threaded rod 21, and an adjusting rod 23 is hinged between the two ends of the threaded seat 22 and one side of the two spliced ​​side panels 11. By rotating the rotating block 20, the threaded rod 21 can be driven to rotate, thereby driving the threaded seat 22 to move up and down along the threaded rod 21, and finally driving the two adjusting rods 23 to swing and adjust. Therefore, when the threaded seat 22 moves upward along the threaded rod 21, it can drive the two spliced ​​side panels 11 to gradually move out of the accommodating groove 10, and finally the purpose of increasing the display range can be achieved.

[0028] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A convenient promotional device, characterized in that: The invention comprises a base (1), wherein a plurality of hollow columns (2) are symmetrically arranged at the upper end of the base (1), wherein a slidable hollow rod (3) is respectively penetrated in each of the hollow columns (2), and slide grooves (4) are respectively provided at both ends of the hollow rod (3), wherein a rotatable rotating shaft (5) is penetrated in the hollow column (2), and slide grooves (4) are respectively provided at both ends of the rotating shaft (5), wherein a long gear (6) is fixedly arranged on the rotating shaft (5), and a rack (7) is fixedly arranged on the inner side of the hollow rod (3), and the rack (7) is meshed with the long gear (6), and a limiting mechanism (8) is arranged on one side of the hollow column (2), and the limiting mechanism (8) is connected to the rotating shaft (5) to limit the rotation of the rotating shaft (5), and wherein the plurality of hollow rods (3) are provided with a plurality of hollow rods (3). A publicity display board (9) is fixedly provided at the upper end of (3), a receiving groove (10) is provided in the publicity display board (9), two slidable splicing side panels (11) are symmetrically provided in the receiving groove (10), an adjustment mechanism (12) is provided in the receiving groove (10), and the adjustment mechanism (12) is connected to the two splicing side panels (11) to drive the two splicing side panels (11) to move simultaneously, a plurality of support columns (13) are symmetrically penetrated at the lower end of the base (1), a plurality of groups of shock absorbing mechanisms (14) are provided in the base (1), a plurality of groups of the shock absorbing mechanisms (14) are respectively connected to the upper ends of a plurality of support columns (13), and a universal wheel (15) is respectively installed at the lower end of each of the support columns (13).

2. A convenient-to-use promotional device according to claim 1, characterized in that: The limiting mechanism (8) comprises a limiting pin (16), a limiting gear (17) is fixedly provided at one end of the rotating shaft (5), and the top end of the limiting pin (16) is meshed with the limiting gear (17), a protrusion (18) is fixedly provided at one side of the hollow column (2), and the limiting pin (16) is passed through the protrusion (18), a return spring (19) is passed through the limiting pin (16), and the return spring (19) is connected between the tail end of the limiting pin (16) and one side of the protrusion (18).

3. A convenient-to-use promotional device according to claim 2, characterized in that: The adjusting mechanism (12) comprises a rotating block (20), a threaded rod (21) is inserted into the receiving groove (10), and the lower end of the threaded rod (21) is fixedly connected to the rotating block (20), a threaded seat (22) is inserted into the threaded rod (21), and adjusting rods (23) are respectively hinged between the two ends of the threaded seat (22) and one side of the two spliced ​​side panels (11).

4. A convenient-to-use promotional device according to claim 3, characterized in that: Several groups of the shock absorbing mechanisms (14) each comprise a damping rod (24) and a shock absorbing spring (25); several of the damping rods (24) are respectively connected between the inner top of the base (1) and the upper end of the support column (13); several of the shock absorbing springs (25) are respectively passed through the damping rods (24), and the two ends are respectively fixedly connected to the inner top of the base (1) and the upper end of the support column (13).

Images