A light box structure and replacement method for conveniently replacing posters in a subway track area

Abstract

The present invention relates to the technical field of light boxes, specifically to a light box structure and a replacement method for facilitating the replacement of posters in a subway track area; the light box structure comprises a box body, a poster replacement component, a poster mounting frame and a poster canvas; the box body comprises a bottom plate and a front cover thereon; the base of the poster replacement component is connected to the bottom plate through a connector; both the bottom plate and the base are provided with a limiting device, the poster mounting frame is arranged on the limiting device of the bottom plate, and its slider is slidably connected to the slide rail of the limiting device; the poster canvas is laid on the poster mounting frame; the method comprises: removing the cover plate, installing the poster replacement component and its connector, removing the block, moving the poster mounting frame to the base, replacing the poster canvas, and restoring the box body to its original state. The poster replacement component is arranged so that the poster mounting frame slides out of the box body to the base along the slide rail, and the front cover does not need to be removed, and accidents caused by poor stability due to frequent removal of the front cover will not occur; the construction is simple, the replacement is convenient, and the risk of being injured by high voltage current is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of light boxes, and in particular to a light box structure and a replacement method for facilitating the replacement of posters in a subway track area. Background Art

[0002] In the subway tunnel track area, advertising light boxes are usually set up at the station, installed on the other side of the subway door. The subway station has a large flow of people, which can play a good publicity role;

[0003] There are posters in the light box, which need to be replaced according to actual conditions. However, the light boxes in the track area have higher design requirements than ordinary light boxes. In order to ensure driving safety and to fix them more firmly, the front cover is usually designed to be non-openable to avoid accidents caused by the front cover opening due to excessive vibration when the vehicle passes by. When replacing the posters, the front cover needs to be removed from the bottom plate. The front cover is firmly fixed. Frequent removal of the front cover is not only complicated in construction, but also reduces the stability of the front cover and reduces its service life. In addition, there is ultra-high voltage current on the subway track. Complex and long-term construction will increase the risk of accidents. Summary of the invention

[0004] The present invention aims to solve the technical problems in the prior art that the light box in the track area is more firmly designed, the front cover cannot be opened, which leads to the complicated construction and reduced stability due to the frequent removal of the front cover when replacing posters. A light box structure and replacement method for facilitating the replacement of posters in the subway track area are proposed.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a light box structure for facilitating the replacement of posters in a subway track area, comprising a box body, a poster replacement component, a poster mounting frame and a poster canvas; the box body comprises a bottom plate fixed on the wall of the track area and a front cover covering the bottom plate and fixedly connected to the bottom plate, and an opening is provided on the left side of the front cover; the poster replacement component comprises a base and a connecting member, one end of the connecting member is connected to the base, and the other end is connected to the bottom plate; both the bottom plate and the base are provided with a limiting device, the limiting device comprises a slide rail, and the slide rail is horizontal and arranged in the left and right directions; the slide rail of the upper limit device of the bottom plate is tightly attached to and aligned with the slide rail of the upper limit device of the base; the poster mounting frame is arranged on the limiting device; the poster mounting frame comprises a slider, a light frame and a light strip arranged on the light frame, and the slider is slidably connected to the slide rail of the limiting device; the poster canvas is laid on the poster mounting frame and is located in front of the light strip.

[0006] Preferably, it also includes a cover plate; after the connecting piece is removed, the cover plate can cover the opening of the front cover and be detachably connected to the front cover.

[0007] Preferably, the connecting member includes a first connecting sleeve, a second connecting sleeve and a connecting rod; the first connecting sleeve is installed on the base plate, the second connecting sleeve is installed on the base, the first connecting sleeve and the second connecting sleeve are both horizontally arranged, and the center lines of the two coincide; the connecting rod passes through the first connecting sleeve and the second connecting sleeve.

[0008] Preferably, the limiting device also includes an upper fixed plate located at the upper part of the bottom plate and a lower fixed plate located at the lower part of the bottom plate; a guide rail is provided on the lower side of the upper fixed plate, and the guide rail is horizontally arranged along the left and right directions; the slide rail is arranged on the upper side of the upper fixed plate.

[0009] Preferably, there are two sliders, which are respectively located at the upper and lower parts of the poster mounting frame; the upper surface of the upper slider and the lower surface of the lower slider are both provided with grooves, the grooves of the upper slider cooperate with the guide rails of the upper fixed plate, and the grooves of the lower slider cooperate with the slide rails of the lower fixed plate.

[0010] Preferably, a roller is further provided in the groove of the lower sliding block, and the roller is pressed on the sliding rail of the lower fixed plate.

[0011] Preferably, reinforcing ribs are provided on the upper side of the upper fixing plate and the lower side of the lower fixing plate.

[0012] Preferably, an end cover is provided on the right side of the poster mounting frame, the upper end of the end cover is fixedly connected to the upper fixing plate, and the lower end of the end cover is fixedly connected to the lower fixing plate.

[0013] Preferably, it also includes a stopper and a screw head, wherein the stopper is provided with a through hole, and the left side of the bottom plate is provided with a screw hole; the screw head passes through the through hole and cooperates with the screw hole, and the stopper abuts against the left side of the poster mounting frame.

[0014] The present invention also provides a method for replacing posters in a light box structure in a subway track area, comprising the following steps:

[0015] Step 1: Remove the cover;

[0016] Step 2: Place the base of the poster replacement assembly at the opening of the front cover of the box body, align the first connecting sleeve with the second connecting sleeve, that is, ensure that the center lines of the two coincide.

[0017] Step 3: First, insert the connecting rod into the second connecting sleeve, and then continue to insert it into the first connecting sleeve until it completely penetrates the first connecting sleeve and the second connecting sleeve;

[0018] Step 4: Unscrew the screw head and remove the block;

[0019] Step 5: Move the poster mounting frame along the slide rail of the upper limit device of the bottom plate to the slide rail of the upper limit device of the base, so that the poster mounting frame completely leaves the box and is on the base;

[0020] Step 6: Replace the poster canvas;

[0021] Step 7: Push the poster mounting frame completely back into the box along the slide rail, install the stopper, remove the poster replacement assembly, and cover it with the cover.

[0022] Compared with the prior art, the advantages and positive effects of the present invention are: (1) a poster replacement assembly is provided so that the poster mounting frame can slide out of the box along the slide rail and then onto the base, without the need to remove the front cover, and the frequent removal of the front cover will not lead to poor stability of the front cover and cause accidents; (2) the construction is simple and the replacement is convenient, which reduces the risk of being injured by the high voltage current of the subway track; (3) the cover plate is placed on the opening of the front cover to close the box; the cover plate is small in size and easy to remove, which reduces the time for disassembly and improves the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the following briefly introduces the drawings required for describing the embodiment.

[0024] Figure 1 This is a schematic diagram of replacing the poster for this box structure;

[0025] Figure 2 This is a schematic diagram of the internal structure of the box structure;

[0026] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0027] Figure 4 for Figure 2 The enlarged view of point B in the middle;

[0028] Figure 5 This is a three-dimensional schematic diagram of the box structure;

[0029] Figure 6 This is a partial cross-sectional view of the box structure from the front;

[0030] Figure 7 This is a cross-sectional view of the side of the box structure.

[0031] Description of reference numerals:

[0032] 1-box body, 11-bottom plate, 12-front cover, 13-opening, 14-screw hole;

[0033] 2-poster replacement assembly, 21-base, 22-connecting piece, 23-first connecting sleeve, 24-second connecting sleeve, 25-connecting rod;

[0034] 3-limiting device, 31-upper fixed plate, 32-lower fixed plate, 33-guide rail, 34-slide rail;

[0035] 4-poster mounting frame, 41-slider, 42-groove, 43-roller, 44-light frame, 45-light bar;

[0036] 5- Poster canvas;

[0037] 6-cover plate;

[0038] 7-Reinforcement ribs;

[0039] 8-end cap;

[0040] 9-stopper, 91-screw head. DETAILED DESCRIPTION

[0041] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments.

[0042] 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.

[0043] Example 1

[0044] The following is combined with Figure 1-7 The present invention is further described as follows: a light box structure for facilitating the replacement of posters in a subway track area comprises a box body 1, a poster replacement assembly 2, a poster mounting frame 4 and a poster canvas 5; the box body 1 comprises a bottom plate 11 fixed to a wall of the track area and a front cover 12 covering the bottom plate 11 and fixedly connected to the bottom plate 11, and an opening 13 is provided on the left side of the front cover 12; the poster replacement assembly 2 comprises a base 21 and a connecting member 22, one end of the connecting member 22 is connected to the base 21, and the other end is connected to the bottom plate 11; the bottom plate 11 and the base 21 are connected to each other. A limiting device 3 is provided on each of the above parts, and the limiting device 3 includes a slide rail 34, which is horizontal and arranged in the left-right direction; the slide rail 34 of the upper limit device 3 on the bottom plate 11 is tightly attached to and aligned with the slide rail 34 of the upper limit device 3 on the base 21; the poster mounting frame 4 is arranged on the limiting device 3; the poster mounting frame 4 includes a slider 41, a light frame 44 and a light strip 45 arranged on the light frame 44, and the slider 41 is slidably connected to the slide rail 34 of the limiting device 3; the poster canvas 5 is laid on the poster mounting frame 4 and is located in front of the light strip 45.

[0045] A poster replacement assembly 2 is provided to allow the poster mounting frame 4 to slide out of the box body 1 along the slide rail 34 and then onto the base 21. There is no need to remove the front cover 12, and the stability of the front cover 12 will not deteriorate due to frequent removal of the front cover 12, thereby preventing accidents. At the same time, the construction is simple and the replacement is convenient, thereby reducing the risk of being injured by the high voltage current of the subway track.

[0046] like Figure 5 As shown, the cover plate 6 is also included; after the connecting member 22 is removed, the cover plate 6 can cover the opening 13 of the front cover 12 and be detachably connected to the front cover 12 .

[0047] After the replacement is completed, the cover plate 6 is covered on the opening 13 of the front cover 12 to close the box body 1; the cover plate 6 is small in size and can be easily removed, which reduces the time for removal and improves the construction efficiency.

[0048] like Figure 1 As shown, the connecting member 22 includes a first connecting sleeve 23, a second connecting sleeve 24 and a connecting rod 25; the first connecting sleeve 23 is installed on the base plate 11, and the second connecting sleeve 24 is installed on the base 21. The first connecting sleeve 23 and the second connecting sleeve 24 are both horizontally arranged, and their center lines coincide; the connecting rod 25 passes through the first connecting sleeve 23 and the second connecting sleeve 24.

[0049] like Figure 1 , 2 As shown in FIG. 4 , the limiting device 3 also includes an upper fixed plate 31 located on the upper part of the bottom plate 11 and a lower fixed plate 32 located on the lower part of the bottom plate 11 ; a guide rail 33 is provided on the lower side of the upper fixed plate 31 , and the guide rail 33 is horizontally arranged along the left and right directions; a slide rail 34 is arranged on the upper side of the upper fixed plate 31 .

[0050] like Figure 2-4 As shown in FIG. 6 , there are two sliders 41 , which are respectively located at the upper and lower parts of the poster mounting frame 4 ; the upper surface of the upper slider 41 and the lower surface of the lower slider 41 are both provided with grooves 42 , the grooves 42 of the upper slider 41 cooperate with the guide rails 33 of the upper fixing plate 31 , and the grooves 42 of the lower slider 41 cooperate with the slide rails 34 of the lower fixing plate 32 .

[0051] like Figure 6 As shown, a roller 43 is further provided in the groove 42 of the lower slide block 41 , and the roller 43 is pressed on the slide rail 34 of the lower fixed plate 32 .

[0052] like Figure 1 As shown, reinforcing ribs 7 are provided on the upper side of the upper fixing plate 31 and the lower side of the lower fixing plate 32 .

[0053] like Figure 2As shown, an end cover 8 is provided on the right side of the poster mounting frame 4 , the upper end of the end cover 8 is fixedly connected to the upper fixing plate 31 , and the lower end of the end cover 8 is fixedly connected to the lower fixing plate 32 .

[0054] like Figure 6 and 7 As shown, it also includes a stopper 9 and a screw head 91 . A through hole is provided on the stopper 9 , and a screw hole 14 is provided on the left side of the bottom plate 11 . The screw head 91 passes through the through hole and cooperates with the screw hole 14 , and the stopper 9 abuts against the left side of the poster mounting frame 4 .

[0055] Example 2

[0056] A method for replacing posters in a light box structure in a subway track area comprises the following steps:

[0057] Step 1: Remove the cover plate 6;

[0058] Step 2: Place the base 21 of the poster replacement assembly 2 at the opening 13 of the front cover 12 of the box body 1, align the first connecting sleeve 23 with the second connecting sleeve 24, that is, ensure that the center lines of the two coincide.

[0059] Step 3: First, insert the connecting rod 25 into the second connecting sleeve 24, and then continue to insert it into the first connecting sleeve 23, until it completely penetrates the first connecting sleeve 23 and the second connecting sleeve 24;

[0060] Step 4: Unscrew the screw head 91 and remove the stopper 9;

[0061] Step 5: Move the poster mounting frame 4 along the slide rail 34 of the upper limit device 3 of the bottom plate 11 to the slide rail 34 of the upper limit device 3 of the base 21, so that the poster mounting frame 4 completely leaves the box body 1 and is on the base 21;

[0062] Step 6: Replace the poster canvas 5;

[0063] Step 7: Push the poster mounting frame 4 completely back into the box body 1 along the slide rail 34, install the stopper 9, remove the poster replacement component 2, and cover the cover plate 6.

[0064] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A light box structure for facilitating the replacement of posters in a subway track area, characterized in that: It comprises a box body (1), a poster replacement component (2), a poster mounting frame (4) and a poster canvas (5); The box body (1) comprises a bottom plate (11) fixed to the wall of the track area and a front cover (12) covering the bottom plate (11) and fixedly connected to the bottom plate (11), wherein an opening (13) is provided on the left side of the front cover (12); The poster replacement assembly (2) comprises a base (21) and a connecting member (22), wherein one end of the connecting member (22) is connected to the base (21) and the other end is connected to the bottom plate (11); The bottom plate (11) and the base (21) are both provided with a limiting device (3), the limiting device (3) comprising a slide rail (34), the slide rail (34) being horizontal and arranged in the left-right direction; the slide rail (34) of the upper limiting device (3) of the bottom plate (11) and the slide rail (34) of the upper limiting device (3) of the base (21) are closely attached to and aligned with each other; The poster mounting frame (4) is arranged on the limiting device (3); the poster mounting frame (4) comprises a sliding block (41), a light frame (44) and a light bar (45) arranged on the light frame (44); the sliding block (41) is slidably connected to a slide rail (34) of the limiting device (3); The poster canvas (5) is laid on the poster mounting frame (4) and is located in front of the light bar (45); It also includes a cover plate (6); after the connecting member (22) is removed, the cover plate (6) can cover the opening (13) of the front cover (12) and can be detachably connected to the front cover (12); The connecting member (22) comprises a first connecting sleeve (23), a second connecting sleeve (24) and a connecting rod (25); The first connecting sleeve (23) is mounted on the bottom plate (11), and the second connecting sleeve (24) is mounted on the base (21); the first connecting sleeve (23) and the second connecting sleeve (24) are both arranged horizontally, and their center lines coincide with each other; The connecting rod (25) passes through the first connecting sleeve (23) and the second connecting sleeve (24).

2. The light box structure for facilitating the replacement of posters in a subway track area according to claim 1, characterized in that: The limiting device (3) further comprises an upper fixing plate (31) located above the bottom plate (11) and a lower fixing plate (32) located below the bottom plate (11); a guide rail (33) is provided on the lower side of the upper fixing plate (31), and the guide rail (33) is horizontal and arranged in the left-right direction; the slide rail (34) is arranged on the upper side of the upper fixing plate (31).

3. The light box structure for facilitating the replacement of posters in a subway track area according to claim 2, characterized in that: There are two sliders (41), which are respectively located at the upper part and the lower part of the poster mounting frame (4); the upper surface of the upper slider (41) and the lower surface of the lower slider (41) are both provided with grooves (42); the grooves (42) of the upper slider (41) cooperate with the guide rails (33) of the upper fixing plate (31), and the grooves (42) of the lower slider (41) cooperate with the slide rails (34) of the lower fixing plate (32).

4. The light box structure for facilitating the replacement of posters in a subway track area according to claim 3, characterized in that: A roller (43) is also provided in the groove (42) of the lower sliding block (41), and the roller (43) is pressed on the slide rail (34) of the lower fixed plate (32).

5. The light box structure for facilitating the replacement of posters in a subway track area according to claim 2, characterized in that: Reinforcing ribs (7) are provided on the upper side of the upper fixing plate (31) and the lower side of the lower fixing plate (32).

6. The light box structure for facilitating the replacement of posters in a subway track area according to claim 1, characterized in that: An end cover (8) is provided on the right side of the poster mounting frame (4), the upper end of the end cover (8) is fixedly connected to the upper fixing plate (31), and the lower end of the end cover (8) is fixedly connected to the lower fixing plate (32).

7. The light box structure for facilitating the replacement of posters in a subway track area according to claim 6, characterized in that: It also comprises a stopper (9) and a screw head (91); the stopper (9) is provided with a through hole, and the left side of the bottom plate (11) is provided with a screw hole (14); the screw head (91) passes through the through hole and cooperates with the screw hole (14), and the stopper (9) abuts against the left side of the poster mounting frame (4).

8. A method for replacing posters in a light box structure in a subway track area, based on the light box structure for facilitating the replacement of posters in a subway track area as claimed in claim 7, characterized in that: The following steps are involved: Step 1: Remove the cover plate (6); Step 2: placing the base (21) of the poster replacement assembly (2) at the opening (13) of the front cover (12) of the box body (1) so that the first connecting sleeve (23) is aligned with the second connecting sleeve (24), that is, ensuring that the center lines of the two coincide with each other; Step 3: First, insert the connecting rod (25) into the second connecting sleeve (24), and then continue to insert it into the first connecting sleeve (23), until it completely penetrates the first connecting sleeve (23) and the second connecting sleeve (24); Step 4: Unscrew the screw head (91) and remove the stopper (9); Step 5: Move the poster mounting frame (4) along the slide rail (34) of the upper limit device (3) of the bottom plate (11) to the slide rail (34) of the upper limit device (3) of the base (21), so that the poster mounting frame (4) completely leaves the box body (1) and is on the base (21); Step 6: Replace the poster canvas (5); Step 7: Push the poster mounting frame (4) completely back into the box body (1) along the slide rail (34), install the stopper (9), remove the poster replacement assembly (2), and cover the cover (6).

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