Circuit arranging and fixing mechanism for advertising box

Abstract

The invention relates to the technical field of advertisement display, in particular to a circuit arrangement fixing mechanism for an advertisement box, which comprises a box body and a display screen arranged on the upper side of the box body, a rotating block is rotatably arranged in the box body, a torsion spring is fixedly connected between the outer wall of the rotating block and the box body, and a lifting shaft is vertically movably inserted in the rotating block. The upper end of the lifting shaft is connected with the display screen. According to the circuit arranging and fixing mechanism for the advertising box, gas exhausted into a cavity between second sliding plates on the two sides is gas generated after combustion in a containing groove and can be used for later fire extinguishing, cost is saved, maintenance time is saved, by arranging an adjusting mechanism, a supporting rod is in a non-rotating state at the moment, and when a display screen rotates by a small angle, the display screen can be conveniently and rapidly fixed. And the gravity center of the display screen can also descend to the bottommost part, and gas in the placing groove enters the vent groove after being more completely combusted, so that the concentration of inert gas in the vent groove can be increased, and the next fire extinguishing speed is accelerated.

Description

Technical Field

[0001] The invention relates to the technical field of advertisement display, in particular to a circuit arrangement and fixing mechanism for an advertisement box. Background Art

[0002] Large billboards beside highways, in cities and scenic spots have become a very common infrastructure in modern society. When billboards are installed, advertising boxes are also set up. The lines of the billboards are placed in the advertising boxes. When a failure occurs, it usually causes the built-in battery to catch fire. Both the advertising box and the billboard will be affected by the fire. In addition, billboards are usually fixed when placed, but when strong winds blow, it is likely that many billboards will be blown away by the strong wind, causing huge economic losses and increasing the difficulty of maintenance.

[0003] For example, in the invention with publication number CN113823202A, the device can not only reduce the wind resistance on the billboard, but also lower the center of gravity of the billboard. When the billboard frame 15 rotates, the telescopic rod of the hydraulic rod 25 contracts, and then the billboard frame 15 is driven downward, thereby lowering the center of gravity of the billboard. In reality, the wind direction is random, and the billboard may rotate too little, and the center of gravity of the billboard also drops less. Therefore, the device has limitations when used. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a line arrangement and fixing mechanism for an advertising box.

[0005] The present invention adopts the following technical scheme: a circuit arrangement fixing mechanism for an advertising box, comprising a box body and a display screen arranged on the upper side of the box body, a rotating block is rotatably arranged in the box body, a torsion spring is fixedly connected between the outer wall of the rotating block and the box body, a lifting shaft is movably inserted in the rotating block, and the upper end of the lifting shaft is connected to the display screen, a sleeve block is fixedly connected to the bottom end of the lifting shaft, a placement groove is opened at the bottom of the inner cavity of the box body, and a battery pack is arranged in the placement groove, and also includes:

[0006] An adjustment mechanism, when the display screen rotates at a small angle, the center of gravity of the display screen can also drop to the bottom, and the adjustment mechanism is arranged in the inner cavity of the box;

[0007] A ventilation mechanism can circulate the inert gas, and the ventilation mechanism is arranged in the inner cavity of the box;

[0008] And a delay mechanism can delay the time for the burned gas to enter the ventilation mechanism, and the delay mechanism is arranged in the ventilation mechanism.

[0009] As a further description of the above technical solution: the adjusting mechanism includes an extrusion ring fixedly connected to the bottom end of the inner cavity of the box body, the inner wall of the box body is provided with a plurality of guide grooves, the top ends of the plurality of guide grooves are connected with annular grooves, a connecting block is fixedly connected to the inner wall of the upper end of the box body, a support rod is placed on the upper side of the connecting block, a slider is horizontally inserted into the end of the support rod close to the inner wall of the box body, and a spring 1 is fixedly connected between the slider and the support rod, and a guide column is fixedly connected to the end of the slider extending outside the support rod, inclined surfaces are provided at the bottom of both ends of the slider, and a push rod is abutted against the lower side of the inclined surface of the slider close to the guide column, and the push rod is fixed to the connecting block, a limiting cone block is movably inserted into one side wall of the slider, and a spring 2 is fixedly connected between the end of the limiting cone block located in the slider and the slider, and two limiting grooves are provided on the inner wall of the support rod.

[0010] As a further description of the above technical solution: the ventilation mechanism includes a lifting block that is movably inserted in the lifting shaft up and down, a wire is provided in the lifting block, and the upper end of the wire is movably inserted in the lifting block, the bottom end of the wire is fixedly connected to the lifting block, and the lowermost end of the wire is connected to the battery pack, a cutting knife is fixedly connected to the inner wall of the lifting block, and a support rod is rotatably provided at the other end of the cutting knife, and a receiving groove is provided on both opposite sides of the upper surface of the end of the cutting knife close to the support rod, a plug-in column is movably inserted in the receiving groove, and a spring three is fixedly connected between one end of the plug-in column and the cutting knife, white wax is provided in the receiving groove, and the other end of the plug-in column extends into the sleeve block, a plug-in rod is movably inserted in the cutting knife, and a spring four is fixedly connected between the end of the plug-in rod away from the support rod and the cutting knife, the other end of the plug-in rod is inserted in the support rod, and two sides of the plug-in rod are provided The inclined surface is arranged on the bottom end of the lifting block, and a slide plate 1 is movably arranged on the bottom end of the ventilation groove, and a slide plate 2 is arranged on the upper side of the slide plate 1 and is located in the ventilation groove, and a pull rope 2 and a pull rope 1 are fixedly connected to the upper end of the slide plate 2, and the other end of the pull rope 1 is connected to the support rod, and a sliding rod is movably inserted in the slide plate 2, and a through groove is arranged in the slide plate and the slide plate 2, and a spring 5 is fixedly connected between one end of the slide rod and the slide plate 2, and a protrusion is provided on the upper surface of one end of the slide rod located outside the slide plate 2, a rotating wheel is rotatably arranged on the slide plate 2, and a plurality of protrusions are arranged in the rotating wheel, and the other end of the pull rope 2 is connected to another slide plate 2, and a rotating wheel, a slide rod and a spring 5 are also arranged in the other slide plate 2, and the other slide plate 2 is located on the other side of the ventilation groove, and a notch is connected to the lower side of the accommodating groove.

[0011] As a further description of the above technical solution: the delay mechanism includes a retaining groove opened on the inner wall of the ventilation groove, and a triangular block is movably inserted in the retaining groove, a spring six is ​​fixedly connected between one end of the triangular block and the slide plate, and a pull rope three is connected between one end of the triangular block and the slide plate.

[0012] As a further description of the above technical solution: a plurality of guide grooves are arranged in a ring shape with equal intervals.

[0013] As a further description of the above technical solution: a section of the annular groove located directly above the connecting block is an open ring.

[0014] As a further description of the above technical solution: a plurality of protrusions on the rotating wheel are arranged in a ring shape with equal intervals.

[0015] As a further description of the above technical solution: the ventilation groove is an inverted U-shaped groove, and there is an inert gas in the ventilation groove.

[0016] The present invention provides a circuit arrangement and fixing mechanism for an advertising box through improvement, which has the following improvements and advantages compared with the prior art:

[0017] First, the placement tank can be turned into a closed space. When the battery pack is burned naturally, the support rod is in a rotatable state, and the inert gas in the ventilation tank is discharged into the placement tank, so as to accelerate the fire extinguishing of the battery pack. The gas discharged into the cavity between the two slide plates on both sides is the gas after the combustion in the placement tank, which can be used for subsequent fire extinguishing, saving costs and maintenance time.

[0018] Second, by setting the adjustment mechanism, the support rod is in a non-rotatable state at this time, so that when the display screen is rotated at a small angle, the center of gravity of the display screen can also drop to the bottom, which has a simple structure and low production cost;

[0019] Thirdly, under the premise that the inert gas in the ventilation groove enters the placement groove from the other side, the time for the slide plate to move upward can be delayed, so that the gas in the placement groove can be more completely burned before entering the ventilation groove, which can increase the concentration of the inert gas in the ventilation groove and speed up the next fire extinguishing speed;

[0020] To sum up, the gas discharged into the cavity between the two slide plates on both sides is the gas after combustion in the placement groove, which can be used for subsequent fire extinguishing, saving costs and maintenance time. Through the setting of the adjustment mechanism, the support rod is in a non-rotatable state at this time, so that when the display screen is rotated at a small angle, the center of gravity of the display screen can also drop to the bottom, and the gas in the placement groove can enter the ventilation groove after more complete combustion, which can increase the concentration of inert gas in the ventilation groove and speed up the next fire extinguishing speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0022] Figure 1 A schematic diagram of the structure of a circuit arrangement fixing mechanism for an advertising box provided by an embodiment of the present invention;

[0023] Figure 2 A three-dimensional cross-sectional view of a box provided by an embodiment of the present invention;

[0024] Figure 3 A schematic diagram of the structure of a support rod provided by an embodiment of the present invention;

[0025] Figure 4 A three-dimensional cross-sectional view of a support rod provided by an embodiment of the present invention;

[0026] Figure 5 A three-dimensional cross-sectional view of a set block provided in an embodiment of the present invention;

[0027] Figure 6 A schematic diagram of the structure of the plunger provided in an embodiment of the present invention;

[0028] Figure 7 A schematic diagram of a structure in which a support rod and a sliding block are separated according to an embodiment of the present invention;

[0029] Figure 8 A schematic diagram of the structure of the limit groove provided in an embodiment of the present invention;

[0030] Fig. 9 A schematic diagram of the structure of a rotating wheel provided in an embodiment of the present invention;

[0031] Fig.10 for Figure 2 The enlarged view of point A in the middle;

[0032] Fig.11 for Figure 2 The enlarged view of point B in the middle;

[0033] Fig.12 for Figure 2 Enlarged view of point C in the middle.

[0034] In the figure: 1, box; 2, display screen; 3, lifting shaft; 4, placement slot; 5, battery pack; 6, adjustment mechanism; 61, support rod; 62, connecting block; 63, slider; 64, guide column; 65, top rod; 66, spring 1; 67, limiting cone block; 68, spring 2; 69, limiting slot; 610, guide slot; 611, ring slot; 7, ventilation mechanism; 71, lifting block; 72, wire; 73, pull rope 1; 74, cutting knife; 75, plug column; 7 6. Receiving groove; 77. Notch; 78. Spring three; 79. Spring four; 710. Insert rod; 711. Ventilation groove; 712. Slide plate one; 713. Slide plate two; 714. Pull rope two; 715. Slide rod; 716. Spring five; 717. Through groove; 718. Rotating wheel; 8. Rotating block; 9. Torsion spring; 10. Bushing block; 11. Delay mechanism; 111. Stop groove; 112. Triangular block; 113. Spring six; 114. Pull rope three; 12. Extrusion ring. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below with reference to specific diagrams. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0036] See also Figure 1 - Fig.12 The embodiment of the present invention provides a technical solution: a circuit arrangement fixing mechanism for an advertising box, comprising a box body 1 and a display screen 2 arranged on the upper side of the box body 1, a rotating block 8 is rotatably arranged in the box body 1, a torsion spring 9 is fixedly connected between the outer wall of the rotating block 8 and the box body 1, a lifting shaft 3 is inserted in the rotating block 8 for upward and downward movement, and the upper end of the lifting shaft 3 is connected to the display screen 2, a sleeve block 10 is fixedly connected to the bottom end of the lifting shaft 3, a placement groove 4 is opened at the bottom of the inner cavity of the box body 1, and a battery pack 5 is arranged in the placement groove 4, and also includes:

[0037] The adjusting mechanism 6 is used to adjust the center of gravity of the display screen 2 to the bottom when the display screen 2 rotates at a small angle. The adjusting mechanism 6 is arranged in the inner cavity of the box body 1;

[0038] The ventilation mechanism 7 can circulate the inert gas, and the ventilation mechanism 7 is arranged in the inner cavity of the box body 1;

[0039] And the delay mechanism 11 can delay the time for the combusted gas to enter the ventilation mechanism 7, and the delay mechanism 11 is arranged in the ventilation mechanism 7.

[0040] Specifically, by setting the adjustment mechanism 6, the support rod 61 is in a non-rotatable state at this time, so that when the display screen 2 is rotated at a small angle, the center of gravity of the display screen 2 can also drop to the bottom, which has a simple structure and low production cost;

[0041] The placement tank 4 can be turned into a closed space, and when the battery pack 5 is naturally burned, the support rod 61 is in a rotatable state, and the inert gas in the ventilation groove 711 is discharged into the placement tank 4, so as to accelerate the fire extinguishing of the battery pack 5. The gas discharged into the cavity between the two slide plates 713 on both sides is the gas after the combustion in the placement tank 4, which can be used for subsequent fire extinguishing, saving costs and maintenance time;

[0042] Under the premise that the inert gas in the ventilation groove 711 enters the placement groove 4 from the other side, the time for the slide plate 712 to move upward can be delayed, so that the gas in the placement groove 4 can enter the ventilation groove 711 after more complete combustion, which can increase the concentration of the inert gas in the ventilation groove 711 and speed up the next fire extinguishing speed.

[0043] In another embodiment provided by the present invention, the adjustment mechanism 6 includes an extrusion ring 12 fixedly connected to the bottom end of the inner cavity of the box body 1, a plurality of guide grooves 610 are provided on the inner wall of the box body 1, and the tops of the plurality of guide grooves 610 are connected with annular grooves 611, a connecting block 62 is fixedly connected to the inner wall of the upper end of the box body 1, a support rod 61 is placed on the upper side of the connecting block 62, a slider 63 is horizontally inserted into one end of the support rod 61 close to the inner wall of the box body 1, and a spring 1 66 is fixedly connected between the slider 63 and the support rod 61, and a guide column 64 is fixedly connected to one end of the slider 63 extending outside the support rod 61, and an inclined surface is provided at the bottom of both ends of the slider 63, and a push rod 65 is abutted on the lower side of the inclined surface of the slider 63 close to the guide column 64, and the push rod 65 is fixed to the connecting block 62, a limiting cone block 67 is movably inserted into one side wall of the slider 63, and a spring 2 68 is fixedly connected between one end of the limiting cone block 67 located in the slider 63 and the slider 63, and two limiting grooves 69 are provided on the inner wall of the support rod 61.

[0044] A plurality of guide grooves 610 are arranged in a ring shape at equal intervals.

[0045] The section of the annular groove 611 located directly above the connecting block 62 is an open ring.

[0046] Specifically, by setting the adjustment mechanism 6, the support rod 61 is in a non-rotatable state, so that when the display screen 2 is rotated by a small angle, the center of gravity of the display screen 2 can also drop to the bottom, which has a simple structure and low production cost.

[0047] In another embodiment provided by the present invention, the ventilation mechanism 7 includes a lifting block 71 movably inserted in the lifting shaft 3, a wire 72 is provided in the lifting block 71, and the upper end of the wire 72 is movably inserted in the lifting block 71, the bottom end of the wire 72 is fixed to the lifting block 71, the lower end of the wire 72 is connected to the battery pack 5, a cutting knife 74 is fixed to the inner wall of the lifting block 71, and the other end of the cutting knife 74 is rotatably provided with a support rod 61, and the upper surface of the end of the cutting knife 74 close to the support rod 61 is provided with a container on both opposite sides. The receiving groove 76 is provided with a plug column 75 movably inserted in the receiving groove 76, and a spring three 78 is fixedly connected between one end of the plug column 75 and the cutting knife 74. White wax is provided in the receiving groove 76, and the other end of the plug column 75 extends into the sleeve block 10. A plug rod 710 is movably inserted in the cutting knife 74, and a spring four 79 is fixedly connected between one end of the plug rod 710 away from the support rod 61 and the cutting knife 74. The other end of the plug rod 710 is inserted into the support rod 61, and inclined surfaces are provided on both sides of the plug rod 710, and the inclined surfaces on the plug rod 710 are connected to the plug column 75. The lifting block 71 is provided with a venting groove 711 at the bottom, and a slide plate 712 is movably provided at the bottom of the venting groove 711. A slide plate 713 is provided on the upper side of the slide plate 712 and is located in the venting groove 711. A pull rope 714 and a pull rope 73 are fixedly connected to the upper end of the slide plate 713, and the other end of the pull rope 73 is connected to the support rod 61. A slide bar 715 is movably inserted in the slide plate 713. A through groove 717 is provided in the slide bar 715 and the slide plate 713. One end of the slide bar 715 is connected to the slide plate 713. A spring five 716 is fixedly connected therebetween, a protrusion is provided on the upper surface of one end of the slide bar 715 located outside the slide plate two 713, a rotating wheel 718 is rotatably provided on the slide plate two 713, and a number of protrusions are provided inside the rotating wheel 718, the other end of the pull rope two 714 is connected to another slide plate two 713, and a rotating wheel 718, a slide bar 715 and a spring five 716 are also provided inside the other slide plate two 713, the other slide plate two 713 is located on the other side of the ventilation groove 711, and a notch 77 is connected to the lower side of the accommodating groove 76.

[0048] A plurality of protrusions on the rotating wheel 718 are arranged in a ring shape at equal intervals.

[0049] The ventilation groove 711 is an inverted U-shaped groove, and inert gas is contained in the ventilation groove 711 .

[0050] Specifically, the placement groove 4 can be turned into a closed space, and when the battery pack 5 is naturally burned, the support rod 61 is in a rotatable state, and the inert gas in the ventilation groove 711 is discharged into the placement groove 4, thereby accelerating the fire extinguishing of the battery pack 5. The gas discharged into the cavity between the slide plates 713 on both sides is the gas after combustion in the placement groove 4, which can be used for subsequent fire extinguishing, saving costs and maintenance time.

[0051] In another embodiment provided by the present invention, the delay mechanism 11 includes a retaining groove 111 opened on the inner wall of the ventilation groove 711, and a triangular block 112 is movably inserted in the retaining groove 111, a spring six 113 is fixedly connected between one end of the triangular block 112 and the slide plate one 712, and a pull rope three 114 is connected between one end of the triangular block 112 and the slide plate two 713.

[0052] Specifically, under the premise that the inert gas in the ventilation groove 711 enters the placement groove 4 from the other side, the time for the slide plate 712 to move upward can be delayed, so that the gas in the placement groove 4 can enter the ventilation groove 711 after more complete combustion, which can increase the concentration of the inert gas in the ventilation groove 711 and speed up the next fire extinguishing speed.

[0053] Working principle: When the wind blows hard, the wind will drive the display screen 2 to rotate. When the display screen 2 rotates, the lifting shaft 3 will drive the sleeve block 10, the lifting block 71 and the support rod 61 to rotate together. Then, when the support rod 61 is separated from the connecting block 62, the support rod 61 instantly falls downward. When the support rod 61 falls to the bottom, the inclined surface of the slider 63 close to the cutting knife 74 will be squeezed by the squeezing ring 12, so that the slider 63 moves toward the outside of the support rod 61, and then the limiting cone block 67 will be separated from one of the limiting grooves 69. When the wind becomes smaller, due to the action of the torsion spring 9, the support rod 61 rotates in the opposite direction to return to the original position. Originally, when the guide column 64 rotates to the bottom of the guide groove 610, the spring 1 66 will bounce the guide column 64 into the guide groove 610, and then the guide column 64 rotates to the top of the connecting block 62 through the annular groove 611. Since the section of the annular groove 611 located just above the connecting block 62 is an open loop, the guide column 64 and the slider 63 fall to the upper end of the connecting block 62. At this time, the top rod 65 squeezes the slider 63 to reset the slider 63. By setting the adjustment mechanism 6, when the display screen 2 rotates a small angle, the center of gravity of the display screen 2 can also drop to the bottom, which has a simple structure and low production cost.

[0054] When the battery pack 5 catches fire, the wax in the receiving groove 76 will melt due to the heat conduction of the device, and the melted wax will flow into the groove 77. Then, the plug posts 75 on both sides will be bounced toward each other, so that the plug posts 75 will be separated from the sleeve block 10, causing the lifting block 71, the cutting knife 74 and the support rod 61 to fall downward. When falling, the cutting knife 74 will cut off the wire 72 to prevent the fire from spreading to the display screen 2 along the wire 72. Then, the lifting block 71 will fall into the placement groove 4, thereby turning the placement groove 4 into a closed space. After the battery pack 5 is naturally burned out, when the plug post 75 moves, it will squeeze the plug rod 710, so that the plug rod 710 is pulled out from the support rod 61. Therefore, when the support rod 61 moves to the extrusion ring 12 When the sliding plate 713 is in the state of being moved upward, the extrusion ring 12 will squeeze the support rod 61 upward, so that the support rod 61 pulls the pull rope 1 73 to pull the slide plate 2 713 upward. When the slide plate 2 713 moves upward, the rotating wheel 718 rotates counterclockwise to make the slide bar 715 move into the slide plate 2 713, so that the slide bar 715 and the through groove 717 on the slide plate 2 713 are not connected. The weight of the slide plate 2 713 on the other side is smaller than that of the slide plate 2 713 here. The slide plate 2 713 on the other side will move downward due to gravity, and the slide plate 2 713 on the other side is connected with the through groove 717 on the slide bar 715 on the other side, so that the inert gas in the ventilation groove 711 is discharged into the placement groove 4, thereby accelerating the fire extinguishing of the battery pack 5.

[0055] When the second slide plate 713 on the first slide plate 712 moves upward for a distance, the first slide plate 712 will also be pulled upward. After the first slide plate 712 moves upward, the gas burned in the placement groove 4 can enter the ventilation groove 711 from the gap between the first slide plate 712 and the ventilation groove 711. When the subsequent lifting block 71 is lifted upward, the first slide plate 712 drops to its original position, so that the inner cavity of the ventilation groove 711 is not connected to the outside world. When the second slide plate 713 falls, the through groove 717 will be connected, so the gas will move to the cavity between the second slide plates 713 on both sides. When the second slide plate 713 on the other side moves upward, the through groove 717 will be closed to prevent gas leakage. The gas discharged into the cavity between the second slide plates 713 on both sides is the gas burned in the placement groove 4, which can be used for subsequent fire extinguishing, saving costs and maintenance time.

[0056] Before slide plate 1 712 moves upward, slide plate 2 713 will pull triangular block 112 inward through pull rope 3 114, so that triangular block 112 is disengaged from retaining groove 111, and then slide plate 1 712 moves upward again. This allows the inert gas in ventilation groove 711 to enter placement groove 4 from the other side, and the time for slide plate 1 712 to move upward can be delayed, so that the gas in placement groove 4 can be more completely burned before entering ventilation groove 711, which can increase the concentration of inert gas in ventilation groove 711 and speed up the next fire extinguishing.

[0057] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and the description in the specification are only to illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A circuit arrangement fixing mechanism for an advertising box, comprising a box body (1) and a display screen (2) arranged on the upper side of the box body (1), a rotating block (8) is rotatably arranged in the box body (1), a torsion spring (9) is fixedly connected between the outer wall of the rotating block (8) and the box body (1), a lifting shaft (3) is movably inserted in the rotating block (8) up and down, and the upper end of the lifting shaft (3) is connected to the display screen (2), and a sleeve block (10) is fixedly connected to the bottom end of the lifting shaft (3), a placement groove (4) is opened at the bottom of the inner cavity of the box body (1), and a battery pack (5) is arranged in the placement groove (4), characterized in that: Also includes: An adjustment mechanism (6), when the display screen (2) rotates at a small angle, the center of gravity of the display screen (2) can also drop to the bottom, and the adjustment mechanism (6) is arranged in the inner cavity of the box body (1); A ventilation mechanism (7) can circulate the inert gas, and the ventilation mechanism (7) is arranged in the inner cavity of the box body (1); And a delay mechanism (11) can delay the time for the burned gas to enter the ventilation mechanism (7), and the delay mechanism (11) is arranged in the ventilation mechanism (7).

2. The circuit arrangement and fixing mechanism for an advertising box according to claim 1, characterized in that: The adjusting mechanism (6) comprises an extrusion ring (12) fixedly connected to the bottom end of the inner cavity of the box body (1); the inner wall of the box body (1) is provided with a plurality of guide grooves (610); the top ends of the plurality of guide grooves (610) are connected to an annular groove (611); a connecting block (62) is fixedly connected to the inner wall of the upper end of the box body (1); a support rod (61) is placed on the upper side of the connecting block (62); a slider (63) is horizontally inserted at one end of the support rod (61) close to the inner wall of the box body (1); a spring (66) is fixedly connected between the slider (63) and the support rod (61); the slider The slider (63) is provided with a guide column (64) at one end extending outside the support rod (61), and the bottoms of both ends of the slider (63) are provided with inclined surfaces. The lower side of the inclined surface of the slider (63) close to the guide column (64) abuts against a push rod (65), and the push rod (65) is fixed to the connecting block (62). A limiting cone block (67) is movably inserted into one side wall of the slider (63), and a spring (68) is fixedly connected between one end of the limiting cone block (67) located inside the slider (63) and the slider (63), and two limiting grooves (69) are provided on the inner wall of the support rod (61).

3. The circuit arrangement and fixing mechanism for an advertising box according to claim 2, characterized in that: The ventilation mechanism (7) comprises a lifting block (71) which is movably inserted in the lifting shaft (3) up and down, a wire (72) is arranged in the lifting block (71), and the upper end of the wire (72) is movably inserted in the lifting block (71), the lower end of the wire (72) is fixedly connected to the lifting block (71), the lower end of the wire (72) is connected to the battery pack (5), a cutting knife (74) is fixedly connected to the inner wall of the lifting block (71), the other end of the cutting knife (74) is rotatably provided with a support rod (61), and two opposite sides of the upper surface of one end of the cutting knife (74) close to the support rod (61) are provided with receiving grooves (76), and the receiving grooves (76) are provided in the upper surface of the cutting knife (74) and the supporting rod (61). An insert column (75) is movably inserted in the groove (76), and a spring three (78) is fixedly connected between one end of the insert column (75) and the cutting knife (74). White wax is arranged in the accommodating groove (76). The other end of the insert column (75) extends into the sleeve block (10). An insert rod (710) is movably inserted in the cutting knife (74), and a spring four (79) is fixedly connected between one end of the insert rod (710) away from the support rod (61) and the cutting knife (74). The other end of the insert rod (710) is inserted into the support rod (61). Inclined surfaces are arranged on both sides of the insert rod (710), and the inclined surfaces on the insert rod (710) are in conflict with the insert column (75). The bottom end of the lifting block (71) is provided with a ventilation groove (711), and a slide plate (712) is movably provided at the bottom end of the ventilation groove (711). A slide plate (713) is provided on the upper side of the slide plate (712) and is located in the ventilation groove (711). A pull rope (714) and a pull rope (73) are fixedly connected to the upper end of the slide plate (713), and the other end of the pull rope (73) is connected to the support rod (61). A slide rod (715) is movably inserted in the slide plate (713), and a through groove (717) is provided in the slide rod (715) and the slide plate (713). One end of the slide rod (715) is connected to the slide plate (714). 13), a spring five (716) is fixedly connected between the two slide plates (714), a protrusion is provided on the upper surface of one end of the slide bar (715) located outside the slide plate two (713), a rotating wheel (718) is rotatably provided on the slide plate two (713), and a plurality of protrusions are provided in the rotating wheel (718), the other end of the pull rope two (714) is connected to another slide plate two (713), and the other slide plate two (713) is also provided with a rotating wheel (718), a slide bar (715) and a spring five (716), the other slide plate two (713) is located on the other side of the ventilation groove (711), and the lower side of the accommodating groove (76) is connected with a notch (77).

4. The circuit arrangement and fixing mechanism for an advertising box according to claim 1, characterized in that: The delay mechanism (11) comprises a retaining groove (111) formed on the inner wall of the ventilation groove (711), and a triangular block (112) is movably inserted in the retaining groove (111), a spring six (113) is fixedly connected between one end of the triangular block (112) and the first slide plate (712), and a pull rope three (114) is connected between one end of the triangular block (112) and the second slide plate (713).

5. The circuit arrangement and fixing mechanism for an advertising box according to claim 2, characterized in that: A plurality of guide grooves (610) are arranged in a ring shape at equal intervals.

6. The circuit arrangement and fixing mechanism for an advertising box according to claim 2, characterized in that: The section of the annular groove (611) located directly above the connecting block (62) is an open ring.

7. The circuit arrangement and fixing mechanism for an advertising box according to claim 3, characterized in that: A plurality of protrusions on the rotating wheel (718) are arranged in a ring shape at equal intervals.

8. The circuit arrangement and fixing mechanism for an advertising box according to claim 3, characterized in that: The ventilation groove (711) is an inverted U-shaped groove, and inert gas is contained in the ventilation groove (711).

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