Propaganda placard with anti-falling function

Abstract

The utility model discloses a publicity placard with an anti-falling function, which comprises a connecting frame, the connecting frame is connected with a wind-resistant mechanism, one end of the wind-resistant mechanism is connected with a mounting frame, the mounting frame is provided with a positioning mechanism, and the positioning mechanism comprises a rotating handle, a screw rod, a moving block, a clamping plate, a threaded rod and a clamping block. The signboard comprises a mounting frame, the mounting frame is connected with a signboard body through a positioning mechanism, a protective net is arranged on the rear side of the mounting frame, by arranging a wind-resistant mechanism, under blowing of external wind, the mounting frame and the signboard body can be driven to shift left and right, the direct influence of the wind on the signboard is reduced, and the signboard is protected; by arranging the positioning mechanism, operation is convenient when the signboard is installed, the signboard fixing device can adapt to fixing signboards of different lengths, the fixing effect on the signboard can be improved by arranging a threaded rod and a clamping block, and the anti-falling function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of placards, in particular to a propaganda placard with an anti-dropping function. Background Art

[0002] During the use of municipal propaganda slogan boards, they are easily tilted or dropped by strong winds, which seriously affects the normal display of the slogan boards. The anti-drop performance is poor and the use is extremely inconvenient.

[0003] In the prior art, a municipal propaganda placard with an anti-drop function is disclosed in Chinese Patent Application No. 201720649596.7, which includes a placard body, a buffer cavity is provided inside the placard body, two symmetrical notches are provided on the outer side of the placard body, both of which are connected to the buffer cavity, and two symmetrical sliding grooves are provided on the inner side wall of the buffer cavity. The municipal propaganda placard with an anti-drop function has a display board that can perform simple movements in the buffer cavity, and can reasonably guide and buffer the blowing force on the placard body. The invention discloses a method for fixing the signboard to a certain extent, and a method for fixing the signboard to a certain extent is adopted to fix the signboard to a certain extent. ...

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related art, the utility model proposes a propaganda placard with an anti-drop function to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A propaganda slogan board with an anti-drop function comprises a connecting frame, the connecting frame is connected to a wind-resistant mechanism, one end of the wind-resistant mechanism is connected to a mounting frame, the mounting frame is provided with a positioning mechanism, the positioning mechanism comprises a rotating handle, a screw rod, a moving block, a clamping plate, a threaded rod and a clamping block, the mounting frame is connected to a sign body via the positioning mechanism, and a protective net is provided on the rear side of the mounting frame.

[0008] Preferably, the wind-resistant mechanism includes a rotating frame, a connecting rod, a damping spring and a mounting seat. The rotating frame is arranged in a T shape, and the two ends of the rotating frame are respectively connected to the connecting rod, the connecting rod is rotatably connected to the mounting seat, and the damping spring is sleeved on the outside of the connecting rod.

[0009] Preferably, the connecting frame is arranged in a U-shape, and one end of the connecting frame is provided with a groove matching the mounting seat and the connecting rod.

[0010] Preferably, the mounting seat is fixed in the groove, the damping spring is a torsion spring, and the spring coil of the torsion spring is sleeved on the outside of the connecting rod, and the torsion arm of the torsion spring is connected to the inner wall of the groove.

[0011] Preferably, the mounting frame is arranged in an I-shape, and one end of the mounting frame is fixed at the center position of the mounting frame.

[0012] Preferably, a mounting groove is provided in the top inner cavity of the mounting frame, the screw rod is arranged in the mounting groove, one end of the screw rod is fixedly connected to the rotating handle, the moving block is connected to the screw rod, and one end of the moving block passes through the mounting groove and is fixedly connected to the splint.

[0013] Preferably, a sliding block is provided at the bottom of the clamping plate, and the clamping plate is slidably connected to the mounting frame via the sliding block.

[0014] Preferably, a slot matching the identification plate body is provided on the corresponding side of the clamping plate, the threaded rod is threadedly connected to the front side of the clamping plate, one end of the threaded rod is connected to the clamping block through a movable clamping block, and the clamping block is arranged in the slot.

[0015] The beneficial effects of the utility model are:

[0016] 1. By setting up a wind-resistant mechanism, the mounting frame and the sign body can be deflected left and right under the influence of external wind, reducing the direct impact of wind on the sign and playing a role in protecting the sign;

[0017] 2. The positioning mechanism is provided to facilitate the operation when installing the signboard, and can be adapted to fix signboards of different lengths. The threaded rod and clamp block provided can improve the fixing effect of the signboard and prevent it from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of a propaganda placard with an anti-drop function according to an embodiment of the utility model;

[0020] Figure 2 It is a side view of a propaganda placard with an anti-drop function according to an embodiment of the utility model;

[0021] Figure 3 It is a structural diagram of a mounting frame for a propaganda placard with an anti-drop function according to an embodiment of the utility model;

[0022] Figure 4 It is a structural diagram of a positioning mechanism of a propaganda placard with an anti-drop function according to an embodiment of the utility model;

[0023] Figure 5 It is a structural diagram of a clamping plate of a propaganda placard with an anti-drop function according to an embodiment of the utility model;

[0024] Figure 6 The utility model is a wind-resistant structure diagram of a propaganda placard with an anti-drop function according to an embodiment of the utility model.

[0025] In the figure:

[0026] 1. Connecting frame; 2. Wind-resistant mechanism; 3. Mounting frame; 4. Positioning mechanism; 5. Turning handle; 6. Screw rod; 7. Moving block; 8. Clamping plate; 9. Threaded rod; 10. Clamping block; 11. Sign body; 12. Protective net; 13. Rotating frame; 14. Connecting rod; 15. Damping spring; 16. Mounting seat; 17. Sliding block; 18. Slot. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the utility model, a propaganda placard with an anti-drop function is provided.

[0029] Embodiment 1

[0030] like Figure 1-6As shown in the figure, a promotional signboard with a function of preventing falling according to an embodiment of the present utility model includes a connecting frame 1. An anti-wind mechanism 2 is connected to the connecting frame 1. One end of the anti-wind mechanism 2 is connected to an installation frame 3. A positioning mechanism 4 is arranged on the installation frame 3. The positioning mechanism 4 includes a rotating handle 5, a lead screw 6, a moving block 7, a clamping plate 8, a threaded rod 9 and a clamping block 10. The installation frame 3 is connected to a signboard body 11 through the positioning mechanism 4. A protective net 12 is arranged at the rear side of the installation frame 3. The anti-wind mechanism 2 includes a rotating frame 13, a connecting rod 14, a damping spring 15 and a mounting seat 16. The rotating frame 13 is arranged in a T shape. The two ends of the rotating frame 13 are respectively connected to the connecting rod 14. The connecting rod 14 is rotatably connected to the mounting seat 16. The damping spring 15 is sleeved outside the connecting rod 14. The connecting frame 1 is arranged in a U shape. One end of the connecting frame 1 is provided with a groove matching with the mounting seat 16 and the connecting rod 14. The mounting seat 16 is fixed in the groove. The damping spring 15 is a torsion spring, and the spring coil of the torsion spring is sleeved outside the connecting rod 14. The torsion arm of the torsion spring is connected to the inner wall of the groove. When the signboard bears a large wind force, the rotating frame 13 rotates in the mounting seat 16 through the connecting rod 14, so that the damping spring 15 is compressed, driving the installation frame 3 and the signboard body 11 to shift left or right, guiding the wind force and reducing the direct influence of the wind force on the signboard, playing a role in protecting the signboard.

[0031] Embodiment 2

[0032] As Figure 1-6 As shown in the figure, a promotional signboard with a function of preventing falling according to an embodiment of the present utility model includes a connecting frame 1. An anti-wind mechanism 2 is connected to the connecting frame 1. One end of the anti-wind mechanism 2 is connected to an installation frame 3. A positioning mechanism 4 is arranged on the installation frame 3. The positioning mechanism 4 includes a rotating handle 5, a lead screw 6, a moving block 7, a clamping plate 8, a threaded rod 9 and a clamping block 10. The installation frame 3 is connected to a signboard body 11 through the positioning mechanism 4. A protective net 12 is arranged at the rear side of the installation frame 3. The installation frame 3 is arranged in a I shape. One end of the installation frame 3 is fixed at the central position of the installation frame 3. An installation groove is arranged in the inner cavity at the top of the installation frame 3. The lead screw 6 is arranged in the installation groove. One end of the lead screw 6 is fixedly connected to the rotating handle 5. The moving block 7 is connected to the lead screw 6. One end of the moving block 7 passes through the installation groove and is fixedly connected to the clamping plate 8. A sliding block 17 is arranged at the bottom of the clamping plate 8. The clamping plate 8 is slidably connected to the installation frame 3 through the sliding block 17. By driving the lead screw 6 to rotate through the rotating handle 5, the moving block 7 drives the clamping plate 8 to move. The signboard body 11 is placed between the clamping plates 8. By adjusting the lead screw 6, the clamping groove 18 of the clamping plate 8 is clamped at both ends of the signboard body 11, realizing the installation of the signboard.

[0033] Embodiment 3

[0034] like Figure 1-6 As shown, according to an embodiment of the utility model, a propaganda slogan board with an anti-drop function includes a connecting frame 1, the connecting frame 1 is connected to a wind-resistant mechanism 2, one end of the wind-resistant mechanism 2 is connected to a mounting frame 3, the mounting frame 3 is provided with a positioning mechanism 4, the positioning mechanism 4 includes a rotating handle 5, a screw rod 6, a moving block 7, a clamping plate 8, a threaded rod 9 and a clamping block 10, the mounting frame 3 is connected to a sign body 11 through the positioning mechanism 4, the rear side of the mounting frame 3 is provided with a protective net 12, a corresponding side of the clamping plate 8 is provided with a slot 18 matching the sign body 11, the threaded rod 9 is threadedly connected to the front side of the clamping plate 8, one end of the threaded rod 9 is connected to the clamping block 10 through a movable clamping block, the clamping block 10 is arranged in the slot 18, and by rotating the threaded rod 9, the clamping block 10 presses the sign body 11, thereby fixing the sign and improving the fixing effect of the sign.

[0035] In summary, with the help of the above-mentioned technical scheme of the utility model, when this device is in use, the screw rod 6 is driven to rotate by rotating the handle 5, so that the moving block 7 drives the clamping plate 8 to move, and the sign body 11 is placed between the clamping plates 8. By adjusting the screw rod 6, the clamping slots 18 of the clamping plate 8 are clamped at the two ends of the sign body 11, and then the threaded rod 9 is rotated to make the clamping block 10 press the sign body 11 to fix the sign. By providing an anti-wind mechanism 2, when the sign is subjected to a large wind force, the rotating frame 13 is rotated in the mounting seat 16 through the connecting rod 14, so that the damping spring 15 is compressed, and the mounting frame 3 and the sign body 11 are offset to the left or right, thereby guiding the wind force, reducing the direct impact of the wind force on the sign, and playing a role in protecting the sign. After the wind ends, the sign is reset by the resilience of the torsion spring, which can effectively play a wind-resistant role and is convenient and practical.

[0036] The above description is only a preferred embodiment of the present invention and is 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 propaganda placard with an anti-drop function, comprising a connecting frame (1), characterized in that: The connecting frame (1) is connected to a wind-resistant mechanism (2), one end of the wind-resistant mechanism (2) is connected to a mounting frame (3), a positioning mechanism (4) is provided on the mounting frame (3), the positioning mechanism (4) comprises a rotating handle (5), a screw rod (6), a moving block (7), a clamping plate (8), a threaded rod (9) and a clamping block (10), the mounting frame (3) is connected to a sign body (11) via the positioning mechanism (4), and a protective net (12) is provided on the rear side of the mounting frame (3).

2. The propaganda placard with anti-drop function according to claim 1, characterized in that: The wind-resistant mechanism (2) comprises a rotating frame (13), a connecting rod (14), a damping spring (15) and a mounting seat (16); the rotating frame (13) is arranged in a T-shape; two ends of the rotating frame (13) are respectively connected to the connecting rod (14); the connecting rod (14) is rotatably connected to the mounting seat (16); and the damping spring (15) is sleeved on the outside of the connecting rod (14).

3. The propaganda placard with anti-drop function according to claim 2, characterized in that: The connecting frame (1) is arranged in a U-shape, and one end of the connecting frame (1) is provided with a groove matching the mounting seat (16) and the connecting rod (14).

4. The propaganda placard with anti-drop function according to claim 3, characterized in that: The mounting seat (16) is fixed in the groove, the damping spring (15) is a torsion spring, and the spring coil of the torsion spring is sleeved on the outside of the connecting rod (14), and the torsion arm of the torsion spring is connected to the inner wall of the groove.

5. The propaganda placard with anti-drop function according to claim 4, characterized in that: The mounting frame (3) is arranged in an I-shape, and one end of the mounting frame (3) is fixed at the center position of the mounting frame (3).

6. The propaganda placard with anti-drop function according to claim 5, characterized in that: The top inner cavity of the mounting frame (3) is provided with a mounting groove, the screw rod (6) is arranged in the mounting groove, one end of the screw rod (6) is fixedly connected to the rotating handle (5), the moving block (7) is connected to the screw rod (6), and one end of the moving block (7) passes through the mounting groove and is fixedly connected to the clamping plate (8).

7. The propaganda placard with anti-drop function according to claim 6, characterized in that: A slider (17) is provided at the bottom of the clamping plate (8), and the clamping plate (8) is slidably connected to the mounting frame (3) via the slider (17).

8. The propaganda placard with anti-drop function according to claim 7, characterized in that: A slot (18) matching the identification plate body (11) is provided on a corresponding side of the clamping plate (8); the threaded rod (9) is threadedly connected to the front side of the clamping plate (8); one end of the threaded rod (9) is connected to the clamping block (10) via a movable clamping block; and the clamping block (10) is arranged in the slot (18).

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