Replaceable display device for propaganda

Abstract

The utility model relates to the technical field of education, in particular to a replaceable display device for propaganda, which comprises a display plate and a base plate, a display device is arranged on the outer wall of the display plate, the display device comprises a first fixing strip and a second fixing strip, the outer wall of the first fixing strip is fixedly connected with the display plate, and the outer wall of the second fixing strip is fixedly connected with the base plate. The outer wall of the second fixing strip is fixedly connected with the display board, the outer wall of the first fixing strip abuts against the limiting strip, and the outer wall of the limiting strip abuts against the display banner. After the end of the display banner and the limiting strip are rolled by a circle, the limiting strip is controlled to be inserted into and separated from the upper ends of the first fixing strip and the second fixing strip, so that the first fixing strip and the second fixing strip are fixedly separated from each other on the outer wall of the limiting strip, and the display hanging and replacement of the display banner are realized; in addition, the hooks on the display board are used for displaying the display banners in a hooking mode, so that the diversity of replacement and display modes is realized, and the replacement is convenient and fast in the use process.

Description

Technical Field

[0001] The utility model relates to the technical field of education, in particular to a replaceable display device for publicity. Background Art

[0002] In the educational process, it is often necessary to present information.

[0003] For example, an educational material display device with the authorization announcement number "CN211181541U" solves the problem of inconvenient replacement of educational materials in existing educational material display devices. The transparent protective shell is opened by the pull head. Since the transparent protective shell adopts a double-opening structure, it effectively avoids supporting the transparent protective shell when opening. The fixed clip fixes the display banner. Considering the existing educational material display device, multiple clips are required to fix the display banner during use, which makes it inconvenient to replace the educational material display during use and inconvenient to use. Utility Model Content

[0004] The utility model aims to solve the problem that the existing educational material display device is inconvenient to replace and use during the use of the educational material display, and proposes a replaceable display device for publicity.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a replaceable display device for promotion, comprising a display board and a pad, the outer wall of the display board is provided with a display device, the display device comprises a first fixing bar and a second fixing bar, the outer wall of the first fixing bar is fixedly connected to the display board, the outer wall of the second fixing bar is fixedly connected to the display board, the outer wall of the first fixing bar is tightly abutted against a limiting bar, the outer wall of the limiting bar is tightly abutted against a display banner, and the outer wall of the display banner is tightly abutted against the second fixing bar.

[0006] Preferably, the inner wall of the pad is provided with a disassembly mechanism, and the disassembly mechanism comprises a square bar, the outer wall of the square bar is tightly pressed against the pad, the outer wall of the square bar is tightly pressed against the support rod, and the outer wall of the support rod is tightly pressed against the limit block.

[0007] Preferably, a mounting groove 1 is installed on the inner wall of the display board, the inner wall of the mounting groove 1 is threadedly connected to the threaded block, and the outer wall of the threaded block is fixedly connected to the hook.

[0008] Preferably, the outer wall of the display board is fixedly connected to the limiting block.

[0009] Preferably, a second installation groove is installed on the outer wall of the display board, the outer wall of the second installation groove is tightly abutted against the connecting block, and the end of the connecting block is fixedly connected to the round rod.

[0010] Preferably, a placement groove is installed on the inner wall of the pad.

[0011] The utility model provides a replaceable display device for publicity, which has the beneficial effects of controlling the limiting bar to be inserted and separated from the upper ends of the first fixing bar and the second fixing bar after the end of the display banner is rolled up with the limiting bar, so as to realize the separation of the first fixing bar and the second fixing bar fixed by the outer wall of the limiting bar, realize the display, hanging and replacement of the display banner, and the hook on the display board displays the display banner in a hooking manner, thereby realizing diversified display replacement methods and convenient replacement during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure in the middle front view;

[0014] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure in the middle side view;

[0015] Figure 4 for Figure 2 The enlarged structural diagram at A in the middle;

[0016] Figure 5 for Figure 2 Enlarged structural diagram at B in the middle.

[0017] In the figure: 1. display board, 2. pad, 3. display device, 301. first fixing bar, 302. limiting bar, 303. display banner, 304. second fixing bar, 4. disassembly mechanism, 401. square bar, 402. support rod, 403. limiting block, 5. mounting groove one, 6. threaded block, 7. hook, 8. mounting groove two, 9. connecting block, 10. round rod, 11. placement groove. DETAILED DESCRIPTION

[0018] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0019] See also Figure 1-5The utility model provides a technical solution: a replaceable display device for publicity, comprising a display board 1 and a pad 2, wherein the outer wall of the display board 1 is provided with a display device 3, and the outer wall of the limiting bar 302 is pressed against the first fixing bar 301 and the second fixing bar 304, so that the display banner 303 on the limiting bar 302 is stretched to achieve the effect of display, and the display device 3 comprises a first fixing bar 301 and a second fixing bar 304, wherein the outer wall of the first fixing bar 301 is fixedly connected to the display board 1, and the outer wall of the second fixing bar 304 is fixedly connected to the display board 1, and the outer wall of the first fixing bar 301 is pressed against the limiting bar 302, and the outer wall of the limiting bar 302 is pressed against the display banner 303, and the outer wall of the display banner 303 is pressed against the second fixing bar 304;

[0020] After the end of the display banner 303 is rolled up with the limiting strip 302, the limiting strip 302 is controlled to be inserted and separated from the upper ends of the first fixing strip 301 and the second fixing strip 304, so that the outer wall of the limiting strip 302 is fixed to and separated from the first fixing strip 301 and the second fixing strip 304, so that the display, hanging and replacement of the display banner 303 are realized, and the hook 7 on the display board 1 is used to hang the display banner 303 for display, so that the display replacement method is diversified, and the replacement process is convenient and quick.

[0021] See also Figure 1 , Figure 2 and Figure 5 The inner wall of the pad 2 is provided with a disassembly mechanism 4, which controls the insertion and separation of the square bar 401 with the pad 2 and the support rod 402, so that the square bar 401 has the effect of separating and installing the pad 2 and the support rod 402. The disassembly mechanism 4 includes a square bar 401, the outer wall of the square bar 401 is tightly pressed against the pad 2, the outer wall of the square bar 401 is tightly pressed against the support rod 402, and the outer wall of the support rod 402 is tightly pressed against the limit block 403.

[0022] See also Figure 1 and Figure 2 The inner wall of the display board 1 is installed with a mounting groove 5, the inner wall of the mounting groove 5 is threadedly connected to the threaded block 6, the outer wall of the threaded block 6 is fixedly connected to the hook 7, and the outer wall of the display board 1 is fixedly connected to the limit block 403.

[0023] See also Figure 1 and Figure 2 The outer wall of the display board 1 is provided with a mounting groove 8, the outer wall of the mounting groove 8 is tightly abutted against the connecting block 9, the end of the connecting block 9 is fixedly connected to the round rod 10, and the inner wall of the pad 2 is provided with a placement groove 11.

[0024] Working principle:

[0025] First, place the pad 2 on a flat ground, put sandbags and other heavy objects into the placement slot 11 inside the pad 2, then pass the square bar 401 through the pad 2 and the support rod 402 until the pad 2 and the support rod 402 are at a 90-degree vertical position, and insert the limit block 403 on the display board 1 into the support rod 402. You can selectively hang the display banner 303. Note that you need to roll the end of the display banner 303 with the limit bar 302 once, and then the limit bar 302 is lifted from the first fixing bar 301 and the second fixing bar 304. The first and second fixing strips 301 and 304 are inserted into the end to fix the outer wall of the limiting strip 302 to fix the first fixing strip 301 and the second fixing strip 304, so as to realize the display and hanging of the display banner 303. Similarly, the display can be changed repeatedly, or the display banner 303 with a hanging opening can be hung on the hook 7 for display. When the display is over, the display banner 303 can be rolled onto the round rod 10, and the round rod 10 is pressed to drive the connecting block 9 to enter the second installation groove 8, so that the outer wall of the connecting block 9 is tightly fixed to the second installation groove 8, so as to realize the placement and protection of the display banner 303.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A replaceable display device for promotion, comprising a display board (1) and a backing board (2), characterized in that: The outer wall of the display board (1) is provided with a display device (3), and the display device (3) comprises a first fixing bar (301) and a second fixing bar (304), the outer wall of the first fixing bar (301) is fixedly connected to the display board (1), the outer wall of the second fixing bar (304) is fixedly connected to the display board (1), the outer wall of the first fixing bar (301) is tightly abutted against a limiting bar (302), the outer wall of the limiting bar (302) is tightly abutted against a display banner (303), and the outer wall of the display banner (303) is tightly abutted against the second fixing bar (304).

2. A replaceable display device for publicity according to claim 1, characterized in that: The inner wall of the pad (2) is provided with a disassembly mechanism (4), the disassembly mechanism (4) comprising a square bar (401), the outer wall of the square bar (401) being tightly pressed against the pad (2), the outer wall of the square bar (401) being tightly pressed against the support rod (402), and the outer wall of the support rod (402) being tightly pressed against the limit block (403).

3. A replaceable display device for publicity according to claim 1, characterized in that: The inner wall of the display board (1) is provided with a mounting groove (5), the inner wall of the mounting groove (5) is threadedly connected to a threaded block (6), and the outer wall of the threaded block (6) is fixedly connected to a hook (7).

4. A replaceable display device for publicity according to claim 1, characterized in that: The outer wall of the display board (1) is fixedly connected to the limiting block (403).

5. A replaceable display device for publicity according to claim 1, characterized in that: The outer wall of the display board (1) is provided with a second installation groove (8), the outer wall of the second installation groove (8) is tightly abutted against a connecting block (9), and the end of the connecting block (9) is fixedly connected to a round rod (10).

6. A replaceable display device for publicity according to claim 1, characterized in that: The inner wall of the pad (2) is provided with a placement groove (11).

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