Bulletin board

Abstract

The utility model provides a bulletin board, which relates to the technical field of ideological and political propaganda, and comprises a support frame and two sliding blocks, the position of the inner surface of the support frame close to the top is fixedly connected with a propaganda frame, a plurality of sliding rods movably penetrate through the front surfaces of the two sliding blocks, the outer surfaces of the plurality of sliding rods are sleeved with springs, and the outer surfaces of the plurality of sliding rods are fixedly connected with the support frame. The front end faces of the multiple sliding rods are fixedly connected with limiting blocks, and the outer surfaces of the two sliding blocks are fixedly connected with pressing plates. According to the advertising frame, the protective frame, the magnet, the pull handle, the limiting frame and the mounting groove are used in cooperation, the protective frame can be taken down from the advertising frame conveniently, follow-up replacement operation is facilitated, and under cooperation of the limiting block, the sliding block, the pressing plates, the spring, the sliding rod, the handle and the rubber ball, an advertising poster can be fixed in the advertising frame through the two pressing plates; and glue is prevented from being adopted for fixation, and the convenience of replacement of the propaganda poster is improved.

Description

Technical Field

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

[0002] In the prior art, when posting posters, staff usually use glue to fix the posters on the billboard, which makes it difficult to remove the posters when the promotional content needs to be changed, causing the posters to be damaged or leaving residues, affecting the subsequent pasting effect of the posters and reducing the practicality of the billboard. Utility Model Content

[0003] The purpose of the utility model is to solve the problem in the prior art that when posting posters, the staff usually use glue to fix the propaganda posters on the propaganda column, which makes it difficult to remove the posters when the propaganda content needs to be changed, causing the posters to be damaged or leaving residues, affecting the subsequent pasting effect of the propaganda posters, and reducing the practicality of the propaganda column.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a propaganda column, comprising: a support frame and two sliding blocks, the inner surface of the support frame is fixedly connected to the propaganda frame near the top, the front surfaces of the two sliding blocks are movably penetrated by multiple sliding rods, the outer surfaces of the multiple sliding rods are sleeved with springs, the front end surfaces of the multiple sliding rods are fixedly connected to limiting blocks, the outer surfaces of the two sliding blocks are fixedly connected to pressure plates, the rear end surfaces of the two pressure plates are fixedly connected to multiple rubber balls, the front surface of the propaganda frame is fixedly connected to the limiting frame, and the inner surface of the limiting frame is provided with a protective frame.

[0005] Preferably, a handle is fixedly connected to the top of the protective frame, and a transparent plate is fixedly connected to the inner surface of the protective frame.

[0006] Preferably, the front surface of the promotional rack is symmetrically provided with mounting grooves, and the inner surfaces of the two mounting grooves are both provided with magnets.

[0007] Preferably, the two magnets are arranged to be magnetically attracted to the rear surface of the protective frame, and the top of the support frame is fixedly connected to the protective frame.

[0008] Preferably, the rear end surfaces of the plurality of sliding rods are fixedly connected to an inner wall of one side of the promotional stand, and the center positions of the front surfaces of the two sliding blocks are fixedly connected with handles.

[0009] Preferably, one ends of the plurality of springs are fixedly connected to the front surfaces of the two sliding blocks, and the other ends of the plurality of springs are fixedly connected to the rear surfaces of the plurality of limit blocks.

[0010] Preferably, an opinion box is fixedly connected to the inner surface of the support frame near the center position, and the outer surface of the protection frame and the inner surface of the limit frame are matched.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, the protective frame, magnet, pull handle, limit frame and installation groove are used in combination, so that the protective frame can be easily removed from the propaganda frame, which is convenient for subsequent replacement operations. In addition, with the cooperation of the limit block, sliding block, pressure plate, spring, sliding rod, handle and rubber ball, the propaganda poster can be fixed in the propaganda frame through two pressure plates, avoiding the use of glue for fixing, thereby improving the convenience of replacing the propaganda poster. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A three-dimensional diagram of a publicity column is proposed for the utility model;

[0014] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0015] Figure 3 A partial structural expansion diagram of a publicity board is provided for the utility model;

[0016] Figure 4 A schematic diagram of a sliding frame structure of a publicity board is provided for the utility model;

[0017] Figure 5 The utility model provides a schematic diagram of a pressing plate structure of a publicity column.

[0018] Legend: 1. Support frame; 2. Protection frame; 3. Transparent plate; 4. Promotional frame; 5. Protection frame; 6. Suggestion box; 7. Limit frame; 8. Installation slot; 9. Magnet; 10. Limit block; 11. Sliding block; 12. Pressure plate; 13. Spring; 14. Pull handle; 15. Sliding rod; 16. Handle; 17. Rubber ball. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] Embodiment 1, as Figure 1-Figure 5 As shown, the utility model provides a publicity column, comprising: a support frame 1 and two sliding blocks 11, the inner surface of the support frame 1 is fixedly connected with a publicity frame 4 near the top, the front surfaces of the two sliding blocks 11 are movably penetrated with a plurality of sliding rods 15, the outer surfaces of the plurality of sliding rods 15 are sleeved with springs 13, the front ends of the plurality of sliding rods 15 are fixedly connected with a limiting block 10, the outer surfaces of the two sliding blocks 11 are fixedly connected with a pressing plate 12, the rear ends of the two pressing plates 12 are fixedly connected with a plurality of rubber balls 17, the front surface of the publicity frame 4 is fixedly connected with a limiting frame 7, and the inner surface of the limiting frame 7 is provided with an anti- A protective frame 2, a pull handle 14 is fixedly connected to the top of the protective frame 2, a transparent plate 3 is fixedly connected to the inner surface of the protective frame 2, and a front surface of the publicity rack 4 is symmetrically provided with mounting grooves 8, and the inner surfaces of the two mounting grooves 8 are provided with magnets 9, and the two magnets 9 are magnetically arranged with the rear surface of the protective frame 2, and the rear end surfaces of the plurality of sliding rods 15 are fixedly connected to the inner wall of one side of the publicity rack 4, and the center positions of the front surfaces of the two sliding blocks 11 are fixedly connected with handles 16, one ends of the plurality of springs 13 are fixedly connected to the front surfaces of the two sliding blocks 11, and the other ends of the plurality of springs 13 are fixedly connected to the rear surfaces of the plurality of limit blocks 10.

[0022] The effect achieved by the entire embodiment 1 is that when it is necessary to replace the propaganda poster inside the propaganda rack 4, the staff will push the pull handle 14 outward through the gap between the pull handle 14 and the bracket in the limit frame 7, so that the two magnets 9 are disengaged from the protective frame 2, and then remove the protective frame 2 from the propaganda rack 4 to facilitate subsequent replacement, and then pull the two handles 16 to move the two pressure plates 12 upward, remove the old propaganda poster, and then take out the new propaganda poster, and pull the two handles 16 again to drive the sliding block 11 to move along the sliding rod 15, and compress the spring 13 in the limit block 10 and the sliding block 11, so that the pressure plate 12 moves, and then one side of the new propaganda poster is placed between the pressure plate 12 and the propaganda rack 4, and then release the handle. 16. The restoring force caused by the rebound of the spring 13 will drive the sliding block 11 and the pressure plate 12 to move downward along the sliding rod 15, and always increase a certain squeezing force, so that the promotional poster is fixed to the promotional rack 4 through the pressure plate 12, and the plurality of rubber balls 17 on the pressure plate 12 can increase the fixing effect of the pressure plate 12 on the promotional poster, and then the other side of the promotional poster is fixed according to the above-mentioned installation operation, so that the promotional poster is fixed to the promotional rack 4, and then the protective frame 2 is installed along the limit frame 7 and fixed with two magnets 9 by magnetic attraction, and the protection frame 2 and the transparent plate 3 are used to improve a certain protection for the promotional poster, and the promotional poster is fixed by the pressure plate 12, which avoids the use of glue for fixing, thereby improving the convenience of replacing the promotional poster.

[0023] Embodiment 2, as Figure 1-Figure 5As shown, an opinion box 6 is fixedly connected to the inner surface of the support frame 1 near the center position, the outer surface of the protection frame 2 is matched with the inner surface of the limit frame 7, and the top of the support frame 1 is fixedly connected to the protection frame 5.

[0024] The effect achieved by the entire embodiment 2 is that a certain degree of rainproofness can be provided through the protective frame 5.

[0025] Working principle: When it is necessary to replace the propaganda poster inside the propaganda rack 4, the staff will push the pull handle 14 outward through the gap between the pull handle 14 and the bracket in the limit frame 7, so that the two magnets 9 are separated from the protective frame 2, and then remove the protective frame 2 from the propaganda rack 4 to facilitate subsequent replacement, and then pull the two handles 16 to move the two pressure plates 12 upward, remove the old propaganda poster, and then take out the new propaganda poster, and pull the two handles 16 again to drive the sliding block 11 to move along the sliding rod 15, and compress the spring 13 to move the pressure plate 12, and then place one side of the new propaganda poster between the pressure plate 12 and the propaganda rack 4, then release the handle 16, and the restoring force caused by the rebound of the spring 13 will drive the sliding block 11 and the pressure plate 12 to move downward along the sliding rod 15, and always increase a certain squeezing force, so that the promotional poster is fixed to the promotional rack 4 through the pressure plate 12, and the fixing effect of the pressure plate 12 on the promotional poster can be increased through the multiple rubber balls 17 on the pressure plate 12, and then fix the other side of the promotional poster according to the above-mentioned installation operation, so that the promotional poster is fixed to the promotional rack 4, and then the protective frame 2 is installed along the limit frame 7, and is fixed by magnetic attraction with two magnets 9, and the protection frame 2 and the transparent plate 3 provide certain protection for the promotional poster.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A publicity column, characterized in that: include: A support frame (1) and two sliding blocks (11), wherein the inner surface of the support frame (1) is fixedly connected to a promotional frame (4) near the top, the front surfaces of the two sliding blocks (11) are movably penetrated by a plurality of sliding rods (15), the outer surfaces of the plurality of sliding rods (15) are sleeved with springs (13), the front ends of the plurality of sliding rods (15) are fixedly connected to a limiting block (10), the outer surfaces of the two sliding blocks (11) are fixedly connected to a pressing plate (12), the rear ends of the two pressing plates (12) are fixedly connected to a plurality of rubber balls (17), the front surface of the promotional frame (4) is fixedly connected to a limiting frame (7), and the inner surface of the limiting frame (7) is provided with a protective frame (2).

2. The publicity column according to claim 1, characterized in that: A handle (14) is fixedly connected to the top of the protection frame (2), and a transparent plate (3) is fixedly connected to the inner surface of the protection frame (2).

3. The publicity column according to claim 2, characterized in that: The front surface of the publicity frame (4) is symmetrically provided with mounting grooves (8), and the inner surfaces of the two mounting grooves (8) are both provided with magnets (9).

4. The publicity column according to claim 3, characterized in that: The two magnets (9) are arranged to be magnetically attracted to the rear surface of the protection frame (2), and the top of the support frame (1) is fixedly connected to the protection frame (5).

5. The publicity column according to claim 4, characterized in that: The rear end surfaces of the plurality of sliding rods (15) are fixedly connected to an inner wall of one side of the publicity frame (4), and the center positions of the front surfaces of the two sliding blocks (11) are fixedly connected to a handle (16).

6. The publicity column according to claim 5, characterized in that: One ends of the plurality of springs (13) are fixedly connected to the front surfaces of the two sliding blocks (11), and the other ends of the plurality of springs (13) are fixedly connected to the rear surfaces of the plurality of limit blocks (10).

7. The publicity column according to claim 6, characterized in that: An opinion box (6) is fixedly connected to the inner surface of the support frame (1) near the center position, and the outer surface of the protection frame (2) and the inner surface of the limit frame (7) are matched.

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