Advertising board with advertising cloth convenient to replace

Abstract

The utility model discloses an advertising board convenient to replace advertising cloth, which comprises a stand column, a basic frame is arranged at the top of the stand column, a mounting frame is mounted on the basic frame through a hoisting mechanism, the advertising cloth is arranged on the mounting frame, and the hoisting mechanism comprises a shielding frame arranged on the basic frame. A shielding frame is arranged on the base frame, first wire wheels are arranged on the two sides of the shielding frame, a rotating shaft is arranged at the bottom of the base frame, a take-up wheel is arranged on the rotating shaft, and transition wire wheels are arranged on the base frame and located between the first wire wheels and the take-up wheel. A hoisting steel rope which bypasses the transition wire wheel and the first wire wheel is arranged on the take-up wheel, the end part of the hoisting steel rope is connected with the mounting frame, and a driving motor for driving the transmission shaft to rotate is arranged in the basic frame. When the advertising cloth is replaced, the mounting frame is placed on the ground through the hoisting mechanism, so that the advertising cloth can be replaced on the ground, a high-altitude action is not needed, and the working intensity is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field related to billboards, in particular to a billboard which is convenient for replacing advertising cloth. Background Art

[0002] Billboard means "signal" or "signal board", and generally refers to all outdoor media that convey advertising information. The size of the media depends on the actual environment. The pictures of store signs, door heads, and facades can be hand-drawn, computer-made, or printed on paper. The materials of billboards are generally welded with square tubes, angle steels, etc.; traditional billboards are fixed by applying, pasting, screwing, etc.; and the existing large billboards are installed with advertising cloth due to the high height of the billboards. And high-altitude operations cause many inconveniences. Utility Model Content

[0003] In order to solve the defect of the prior art that when installing the advertising cloth on a large billboard, the billboard is relatively high and the high operation causes many inconveniences, the utility model provides a billboard that is convenient for replacing the advertising cloth.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses an advertising board which is convenient for replacing advertising cloth, comprising a column, and a basic frame is provided on the top of the column, a mounting frame is installed on the basic frame via a lifting mechanism, and the mounting frame is provided with advertising cloth, the lifting mechanism comprises a shielding frame arranged on the basic frame, and both sides of the shielding frame are first wire wheels, and a rotating shaft is provided at the bottom of the basic frame, and a take-up wheel is provided on the rotating shaft, and a transition wire wheel is provided on the basic frame between the first wire wheel and the take-up wheel, and a lifting steel rope is provided on the take-up wheel which bypasses the transition wire wheel and the first wire wheel and the end of which is connected with the mounting frame, and a driving motor which drives the rotating shaft to rotate is provided in the basic frame.

[0006] As a preferred technical solution of the utility model, the basic frame and the installation frame are provided with a linear limiting mechanism.

[0007] As a preferred technical solution of the utility model, the linear limiting mechanism includes a plurality of limiting guide rails arranged on the basic frame and extending vertically downward, and a plurality of limiting sliding blocks moving along the limiting guide rails are arranged on the back side of the mounting frame.

[0008] As a preferred technical solution of the utility model, a supporting block for lifting the limiting sliding block at the bottom is installed at the bottom end of the limiting guide rail.

[0009] As a preferred technical solution of the utility model, lifting ears are provided on the installation frame.

[0010] As a preferred technical solution of the utility model, a contact switch is provided at the bottom of the shielding frame, and a contact block for triggering the contact switch is provided on the mounting frame.

[0011] The beneficial effects of the utility model are:

[0012] This billboard which is convenient for replacing advertising cloth has a mounting frame installed on a basic frame via a lifting mechanism, and the advertising cloth is arranged on the mounting frame. Thus, when replacing the advertising cloth, the mounting frame can be placed on the ground via the lifting mechanism, and the advertising cloth can be replaced on the ground without high altitude work, thereby effectively reducing the work intensity. In addition, a linear limiting mechanism is provided between the basic frame and the mounting frame, wherein the limiting slider cooperates with the limiting guide rail, thereby preventing the mounting frame from shaking during daily display. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the structure of a billboard that is convenient for replacing advertising cloth in the utility model;

[0015] Figure 2 This is a structural schematic diagram of a hoisting mechanism of an advertisement board that is convenient for replacing advertisement cloth in the utility model;

[0016] Figure 3 It is a structural schematic diagram of a contact block of an advertisement board for facilitating replacement of advertisement cloth according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of a supporting block structure of an advertisement board which is convenient for replacing advertisement cloth.

[0018] In the figure: 1. column; 2. basic frame; 3. lifting mechanism; 4. installation frame; 5. advertising cloth; 6. shielding frame; 7. first wire wheel; 8. rotating shaft; 9. take-up wheel; 10. transition wire wheel; 11. lifting rope; 13. limit guide rail; 14. limit slider; 15. support block; 16. lifting ear; 17. contact switch; 18. contact block. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model is a billboard which is convenient for replacing advertising cloth, comprising a column 1, and a basic frame 2 is provided on the top of the column 1, a mounting frame 4 is installed on the basic frame 2 via a lifting mechanism 3, and an advertising cloth 5 is arranged on the mounting frame 4, the lifting mechanism 3 comprises a shielding frame 6 arranged on the basic frame 2, and first wire wheels 7 are provided on both sides of the shielding frame 6, and a rotating shaft 8 is provided at the bottom of the basic frame 2, and a take-up wheel 9 is provided on the rotating shaft 8, and a transition wire wheel 10 is provided on the basic frame 2 between the first wire wheel 7 and the take-up wheel 9, and a lifting steel rope 11 is provided on the take-up wheel 9 which bypasses the transition wire wheel 10 and the first wire wheel 7 and the end of which is connected to the mounting frame 4, and a driving motor for driving the rotating shaft 8 to rotate is provided in the basic frame 2. A mounting frame 4 is installed on the basic frame 2 via a hoisting mechanism 3, and an advertising cloth 5 is arranged on the mounting frame. In this way, when the advertising cloth 5 is replaced, the mounting frame 4 is placed on the ground through the hoisting mechanism 3, and the advertising cloth can be replaced on the ground without high-altitude work, thereby effectively reducing the work intensity.

[0021] A linear limiting mechanism is provided between the basic frame 2 and the mounting frame 4. The linear limiting mechanism includes a plurality of limiting guide rails 13 provided on the basic frame 2 and extending vertically downward, and a plurality of limiting sliders 14 moving along the limiting guide rails 13 are provided on the back side of the mounting frame 4. The limiting sliders 14 cooperate with the limiting guide rails 13 to prevent the mounting frame 4 from shaking during daily display.

[0022] The bottom end of the position limiting guide rail 13 is provided with a support block 15 for lifting the position limiting slider 14 at the bottom. After installation, the support block 15 is carried out to reduce the load of the lifting rope 11.

[0023] The mounting frame 4 is provided with a lifting lug 16 for convenient connection with the lifting rope. A contact switch 17 is provided at the bottom of the shielding frame 6, and a contact block 18 for triggering the contact switch 17 is provided on the mounting frame 4. In this way, during the lifting process, when the contact block 18 contacts the contact switch 17, it indicates that the accurate position has been reached, and the driving motor can stop working.

[0024] During operation, this type of billboard that is convenient for replacing advertising cloth has a mounting frame 4 installed on the basic frame 2 via a lifting mechanism 3, and the advertising cloth 5 is arranged on the mounting frame, so that when the advertising cloth 5 is replaced, the mounting frame 4 is placed on the ground through the lifting mechanism 3, and the advertising cloth can be replaced on the ground without high-altitude work, thereby effectively reducing the work intensity, wherein the limiting slider 14 cooperates with the limiting guide rail 13 to prevent the mounting frame 4 from shaking during daily display.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A billboard that is easy to replace advertising cloth, characterized in that: The invention comprises a column (1), wherein a basic frame (2) is provided on the top of the column (1), a mounting frame (4) is installed on the basic frame (2) via a lifting mechanism (3), and an advertising cloth (5) is provided on the mounting frame (4), the lifting mechanism (3) comprises a shielding frame (6) provided on the basic frame (2), and first wire wheels (7) are provided on both sides of the shielding frame (6), a rotating shaft (8) is provided at the bottom of the basic frame (2), and a take-up wheel (9) is provided on the rotating shaft (8), and a transition wire wheel (10) is provided on the basic frame (2) between the first wire wheel (7) and the take-up wheel (9), and a lifting steel rope (11) is provided on the take-up wheel (9) which bypasses the transition wire wheel (10) and the first wire wheel (7) and the end of which is connected to the mounting frame (4), and a driving motor for driving the rotating shaft (8) to rotate is provided in the basic frame (2).

2. The billboard for facilitating the replacement of advertising cloth according to claim 1, characterized in that: A linear limiting mechanism is provided between the basic frame (2) and the installation frame (4).

3. The billboard for facilitating the replacement of advertising cloth according to claim 2, characterized in that: The linear limiting mechanism comprises a plurality of limiting guide rails (13) arranged on the basic frame (2) and extending vertically downward, and a plurality of limiting sliding blocks (14) moving along the limiting guide rails (13) are arranged on the back side of the mounting frame (4).

4. The billboard for facilitating replacement of advertising cloth according to claim 3, characterized in that: A support block (15) for lifting the bottommost limit slider (14) is installed at the bottom end of the limit guide rail (13).

5. The billboard for facilitating replacement of advertising cloth according to claim 1, characterized in that: The installation frame (4) is provided with lifting ears (16).

6. The billboard for facilitating replacement of advertising cloth according to claim 1, characterized in that: A contact switch (17) is provided at the bottom of the shielding frame (6), and a contact block (18) for triggering the contact switch (17) is provided on the mounting frame (4).

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