CN114694535A

CN114694535A - Lamp box for picture insertion

Info

Publication number: CN114694535A
Application number: CN202210331287.0A
Authority: CN
Inventors: 许静; 杜昱萱; 张如画
Original assignee: Changchun University
Current assignee: Changchun University
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-01
Anticipated expiration: 2042-03-30
Also published as: CN114694535B

Abstract

The invention discloses a lamp box for picture insertion, which comprises a box body and a display screen arranged on the box body, wherein a cavity is arranged in the box body, a main shaft is arranged in the cavity, the main shaft extends to the outer side of the box body, the lamp box for picture insertion can provide a pull-type exercise structure through the design of a holding part, a load part and a mark I arranged on the box body, the holding part can be pulled in a load-bearing manner by utilizing the load part to provide the shoulder exercise effect, the lamp box is particularly suitable for a bus stop so that office workers can exercise in a certain pairing manner by utilizing a small amount of time in the bus process, the problems of scapulohumeral periarthritis, cervical spondylosis and the like are effectively avoided, and meanwhile, the mark I can correspondingly change the mark fat according to the action times of the main shaft in the process of setting the continuous action of the holding part by matching with the design of the mark I, the fat identification design through the dynamic form to increase the holistic interest of device, thereby more effectual attraction pedestrian stops.

Description

Lamp box for picture insertion

Technical Field

The invention relates to the technical field of lamp boxes, in particular to a lamp box for picture insertion.

Background

The picture is commonly called as picture-in-picture in China. Commercial inserts currently in the domestic and foreign markets include publications, cartoons, movie posters, game character settings, art scene designs built in games, advertisements, comics, book drawings, greeting cards, wall calendars, decorative pictures, packaging and other forms.

When the picture is used for advertising, the picture is often matched with the lamp box for use, the picture is widely distributed on two sides of roads and streets, and public places such as movie (theater) houses, exhibition (marketing) meetings, business downtown areas, stations, airports, docks, parks and the like, the 24-hour uninterrupted advertising is met, the picture has the functions of both characters and colors, and the picture is free from the product trademarks, the product names, the real pictures, the colors and the enterprise intentions to culture, economy, customs, belief and concept. Through conception and unique originality, the heterogeneity of visual communication is obtained by tightly holding the 'ring' for inducing consumers to buy the advertisement.

However, the light box for the poster advertising that is desired to be visible basically provides only the function of the advertisement display, is deficient in function and makes the resource utilization thereof insufficient, and is not effective in nature only from the viewpoint of color and dynamic video, although it can attract consumers to a certain extent and stand, and therefore, we propose a light box for the poster.

Disclosure of Invention

The invention aims to provide a lamp box for picture insertion, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a lamp box for picture insertion comprises a box body and a display screen arranged on the box body, wherein a cavity is formed in the box body, a main shaft is arranged in the cavity, the main shaft extends to the outer side of the box body, and a holding part used for being held by hands and driving the main shaft to act is arranged at one end of the main shaft, which is positioned outside the box body;

a load component which is connected with the main shaft and provides resistance for the main shaft action is arranged in the cavity, and a first mark capable of marking fat change is arranged on the display screen and is switched according to the action times of the main shaft;

and a through heat dissipation through hole is formed in the side wall of the box body, a combined type convection conduit capable of simultaneously convecting air in and out is arranged in the heat dissipation through hole, an active ventilation mechanism is arranged at a position, close to the combined type convection conduit, in the box body, and the active ventilation mechanism utilizes the combined type convection conduit to conduct convection ventilation and heat exchange in the box body.

Preferably, the main shaft is installed in the cavity through a rotating shaft, the holding part is an extending shaft which is installed at the end part of the main shaft and extends along the direction perpendicular to the main shaft, and an arc-edge handle matched with a hand of a human body is arranged at the end part of the extending shaft.

Preferably, the load component comprises a torsion spring sleeved on the main shaft, and two ends of the torsion spring are respectively connected with the inner wall of the cavity and the main shaft;

and a monitoring mechanism connected with the main shaft is also arranged in the cavity, and the action frequency of the main shaft is monitored when the main shaft acts.

Preferably, the monitoring mechanism comprises a hollow guide rail arranged on the inner wall of the cavity, a sliding seat is arranged in the hollow guide rail in a sliding manner, a traction rope is arranged on one side, close to the main shaft, of the sliding seat, a belt wheel is arranged on the main shaft, a through groove is formed in the hollow guide rail, the traction rope penetrates through the through groove and then is fixedly wound on the belt wheel, and a spring is arranged between the bottom end of the sliding seat and the inner wall of the hollow guide rail;

the laser receiver is arranged on the inner wall of the cavity, a through channel is arranged on the side wall, close to the laser receiver, of the hollow guide rail, a laser transmitter is embedded on one side, close to the channel, of the sliding seat, and the sliding seat is opposite to the laser receiver in the longitudinal moving process.

Preferably, the combined convection conduit comprises a main pipe arranged in the heat dissipation through hole, an auxiliary pipe with the outer diameter smaller than the inner diameter of the main pipe is arranged in the main pipe, and a connecting lug used for positioning and connecting the auxiliary pipe is arranged between the main pipe and the auxiliary pipe;

the auxiliary pipe extends into the hollow seat from the air outlet and is communicated with the interior of the box body after penetrating through the through hole;

the active ventilation mechanism is installed in the mounting hole, so that air inside the box body is pumped into the hollow seat and exhausted by the main pipe, and meanwhile, air is pumped from the outside by the aid of the auxiliary pipe in the inner space of the box body, and convection is formed between the air and the air exhausted from the main pipe.

Preferably, the active ventilation mechanism comprises an axial flow fan arranged in the mounting hole, and air in the box body is pumped into the hollow seat by the axial flow fan;

and a sensing system is also arranged on the box body, and the combined convection conduit is selectively sealed by utilizing the sensing system.

Preferably, the sensing system comprises a terminal controller, a humidity sensor, a standby power supply and an electric door, wherein the electric door is used for sealing and separating the auxiliary pipe and the ventilation fan so as to provide a sealed environment for the interior of the box body;

when the humidity sensor detects that the air humidity is large, the terminal controller controls the electric door to be sealed, and when the box body is powered off, the standby power supply is used for controlling the electric door to be powered off.

Preferably, the active ventilation mechanism comprises a rotating shaft mounted in the mounting hole by using a mounting rack, the rotating shaft is provided with fan blades, and air is drawn when the rotating shaft drives the fan blades to rotate;

the box body is internally provided with a temperature sensor, and the display screen is provided with a second identifier capable of identifying the change of the heat inside the box body.

Preferably, the linkage mechanism comprises a first chain wheel mounted on the rotating shaft, and a first chain is arranged outside each first chain wheel to synchronize each rotating shaft;

and a second chain wheel is further arranged on the rotating shaft, a third chain wheel is arranged on the main shaft, and a second chain is arranged outside the second chain wheel and the third chain wheel so as to drive the rotating shaft to rotate when the main shaft rotates.

Preferably, the third sprocket diameter is substantially larger than the second sprocket diameter.

Compared with the prior art, the invention has the beneficial effects that:

compared with the prior art, the pull-type exercise structure is provided by the design of the holding part, the load part and the mark I arranged on the box body in the actual use process, the load part can be used for pulling the holding part in a load-bearing manner, the shoulder exercise effect is provided, and the pull-type exercise structure is particularly suitable for bus stations, so that office workers can exercise in certain pairs in the public transportation process in a short time, and the problems of scapulohumeral periarthritis, cervical spondylosis and the like are effectively avoided;

simultaneously, the design of the first mark is matched, in the process of setting the continuous action of the holding part, the first mark can change according to the corresponding mark fat change of the action times of the main shaft, and the fat mark design in a dynamic form is adopted to increase the overall interest of the device, so that pedestrians can be attracted to stand more effectively.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the present invention in partial cross-section of FIG. 1;

FIG. 3 is a schematic view of another embodiment of the present invention;

FIG. 4 is a schematic view of another embodiment of the present invention;

FIG. 5 is a schematic illustration of the partially exploded view of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic illustration of the partially exploded view of FIG. 5 in accordance with the present invention;

FIG. 7 is a schematic view of a hollow seat structure in embodiment 1 of the present invention;

FIG. 8 is an enlarged view of the area A of the present invention;

FIG. 9 is an enlarged view of the region B of the present invention;

FIG. 10 is a schematic view of a sensing system according to the present invention;

FIG. 11 is a schematic view of the overall structure of embodiment 2 of the present invention;

FIG. 12 is a schematic sectional view of a hollow seat in embodiment 2 of the present invention;

FIG. 13 is an enlarged view of the structure of the area C of the present invention;

FIG. 14 is an enlarged view of the D region of the present invention;

FIG. 15 is an enlarged view of the structure of the area E of the present invention;

FIG. 16 is an enlarged view of the structure of the region F according to the present invention.

In the figure: 1. a box body; 11. a display screen; 12. a cavity; 13. a main shaft; 14. a heat dissipating through hole; 2. a gripping member; 21. an extension shaft; 22. a handle with an arc edge; 3. a load member; 31. a torsion spring; 32. a monitoring mechanism; 321. a hollow guide rail; 322. a slide base; 323. a hauling rope; 324. a pulley; 325. a through groove; 326. a spring; 327. a laser receiver; 328. a channel; 329. a laser transmitter; 4. identifying a first; 5. a combined convection conduit; 51. a main pipe; 52. a secondary pipe; 53. a connection bump; 54. a hollow seat; 55. an air outlet; 56. a pass-through hole; 57. mounting holes; 6. an active ventilation mechanism; 61. an axial flow fan; 62. a sensing system; 621. a terminal controller; 622. a humidity sensor; 623. a standby power supply; 624. an electrically operated door; 63. a rotating shaft; 64. a fan blade; 65. a linkage mechanism; 651. a chain wheel I; 652. a first chain; 653. a second chain wheel; 654. a third chain wheel; 655. a second chain; 66. a temperature sensor; 67-identify two; 68. a first ratchet mechanism; 681. a load bearing shaft; 682. a ratchet mechanism II; 683. a fourth chain wheel; 684. a fifth chain wheel; 685. and a third chain.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-10, the present invention provides a technical solution: a lamp box for picture insertion comprises a box body 1 and a display screen 11 arranged on the box body 1, wherein a cavity 12 is formed in the box body 1, a main shaft 13 is arranged in the cavity 12, the main shaft 13 extends to the outer side of the box body 1, and a holding part 2 used for being held by hands and driving the main shaft 13 to move is arranged at one end of the main shaft, which is positioned outside the box body 1;

the cavity 12 is internally provided with a load component 3 which is connected with the main shaft 13 and provides resistance for the movement of the main shaft 13, the display screen 11 is provided with a mark I4 capable of marking the change of fat, specifically, the mark I4 is a sphere floating on the display screen 11, the center is marked with fat, the controller of the box body 1 is arranged in 5S, the mark I4 of the sphere disperses a small sphere to float up when the main shaft 13 rotates once, if the main shaft 13 does not move in 5S, the mark I4 recovers the initial size, and when the floating small sphere is small, the mark is switched by the movement times of the main shaft 13, it needs to be noted that the small sphere floating by the single fat mark is the calorie of the single rotation energy consumption of the main shaft 13, the standard value can be easily calculated, the protection content of the scheme is not related, and the detailed description is not carried out again;

and a through heat dissipation through hole 14 is arranged on the side wall of the box body 1, a combined type convection conduit 5 capable of simultaneously convectively entering and exiting air is arranged in the heat dissipation through hole 14, an active ventilation mechanism 6 is arranged in the box body 1 at a position close to the combined type convection conduit 5, and the active ventilation mechanism 6 utilizes the combined type convection conduit 5 to convectively ventilate and exchange heat in the box body 1.

As an embodiment, the main shaft 13 is installed in the cavity 12 by a rotating shaft, the holding part 2 is an extending shaft 21 installed at the end of the main shaft 13 and extending in the opposite direction of the main shaft 13, and an arc-edge handle 22 matching with the hand of a human body is arranged at the end of the extending shaft 21 so as to facilitate the hand to hold and pull the main shaft 13 to rotate.

As an embodiment, the load part 3 includes a torsion spring 31 sleeved on the main shaft 13, two ends of the torsion spring 31 are respectively connected with the inner wall of the cavity 12 and the main shaft 13, when the main shaft 13 rotates, the torsion spring 31 contracts to provide resistance for the rotation of the main shaft 13, so as to achieve an exercise effect;

a monitoring mechanism 32 connected with the spindle 13 is further arranged in the cavity 12, the monitoring mechanism 32 comprises a hollow guide rail 321 mounted on the inner wall of the cavity 12, a sliding seat 322 is slidably arranged in the hollow guide rail 321, a traction rope 323 is mounted on one side of the sliding seat 322 close to the spindle 13, a belt wheel 324 is mounted on the spindle 13, a through groove 325 is formed in the hollow guide rail 321, the traction rope 323 passes through the through groove 325 and then is fixedly wound on the belt wheel 324, and a spring 326 is arranged between the bottom end of the sliding seat 322 and the inner wall of the hollow guide rail 321;

the spindle further comprises a laser receiver 327 mounted on the inner wall of the cavity 12, a through channel 328 is arranged on the side wall of the hollow guide rail 321 close to the laser receiver 327, a laser emitter 329 is embedded on one side of the slide carriage 322 close to the channel 328, and the side wall is opposite to the laser receiver 327 in the longitudinal movement process of the slide carriage 322, so that in the single rotation process of the spindle 13, the laser emitter 329 and the laser receiver 327 can be used for receiving sequential laser signals, and at the moment, a mark 4 is switched once;

it should be noted that in the present application, the laser receiver 327 has two mounting positions to be selected, one of which is mounted at the extreme moving position of the laser transmitter 329, and at this time, the laser receiver 327 receives a signal to identify a 4-switch, but this design is easy to cause the laser receiver 327 not to trigger when the main shaft 13 cannot be rotated to the extreme position after the user continues to exercise; secondly, the laser receiver 327 is installed in the specific middle section of the laser transmitter 329, so that in implementation, when the laser receiver 327 receives signals on two sides, the mark one 4 is switched, the problem that the laser receiver 327 does not trigger when the strength of a user is reduced is effectively avoided, but the problem that the mark one 4 is switched in transition is easily caused at the moment, namely the amount of the fat mark is switched without reaching the corresponding amount of exercise, and the installation position of the fat mark can be flexibly selected in specific use.

In one embodiment, the combined convection conduit 5 includes a main pipe 51 installed in the heat dissipation through hole 14, a sub pipe 52 having an outer diameter smaller than an inner diameter of the main pipe 51 is provided in the main pipe 51, and a connection protrusion 53 for positioning and connecting the sub pipe 52 is provided between the main pipe 51 and the sub pipe 52;

the device also comprises a hollow seat 54 arranged on the inner wall of the box body 1, one side of the hollow seat 54 is provided with an air outlet 55 communicated with the main pipe 51 so as to communicate the hollow seat 54 with the main pipe 51, the other side of the hollow seat 54 is provided with a through hole 56, and the auxiliary pipe 52 extends from the air outlet 55 to the inside of the hollow seat 54 and is communicated with the inside of the box body 1 after passing through the through hole 56;

a through mounting hole 57 is formed on the side wall of the hollow seat 54, the active ventilation mechanism 6 is mounted in the mounting hole 57 to pump the air inside the box body 1 into the hollow seat 54 and discharge the air by using the main pipe 51, and meanwhile, the air is pumped from the outside by using the auxiliary pipe 52 from the inner space of the box body 1 to form convection with the air discharged from the main pipe 51;

because the appearance of the lamp box for inserting the picture advertisement is basically closed when people look at the lamp box for seeing, even if the lamp box has the requirement of heat dissipation, a heat dissipation channel cannot be formed on the lamp box for heat dissipation, and the reason for the selection is that on one hand, the lamp piece is made of high-temperature-resistant materials, and meanwhile, an aluminum alloy or stainless steel outer frame is used for heat conduction, so that the lamp box can be normally used in a high-temperature environment in a light-emitting mode; and on the other hand then because offer the heat dissipation channel though can provide the heat-sinking capability for the lamp house, but also lead to the mosquito to stay in the lamp house through the heat dissipation channel easily simultaneously and influence the propaganda advertisement effect, even if insert the picture content for food, still can produce bad propaganda effect because the mosquito corpse that stays, and this application utilizes above-mentioned design, unique convection current formula ventilation through combination formula convection current pipe 5, with the environment wind of chaotic lamp house heat dissipation department, and then guarantee stable radiating while with effectively avoiding the mosquito to go out from the heat dissipation mouth and enter into the lamp house and stay.

As an embodiment, the active ventilation mechanism 6 includes an axial flow fan 61 disposed in the mounting hole 57, and the axial flow fan 61 is used to pump air inside the box 1 into the hollow seat 54, so as to ensure stable ventilation and heat dissipation;

a sensing system 62 is further arranged on the box body 1, the sensing system 62 comprises a terminal controller 621, a humidity sensor 622, a standby power supply 623 and an electric door 624, and the electric door 624 is used for sealing and separating the auxiliary pipe 52 and the ventilation fan so as to provide a sealed environment for the interior of the box body 1;

when humidity sensor 622 detects that air humidity is big, terminal controller 621 controls electrically operated gate 624 seals to effectively avoid the ambient moisture to enter into the inside long-pending of box 1 and stay and influence its circuit steady operation, and when box 1 outage, utilize stand-by power supply 623 control electrically operated gate 624 outage, effectively avoid because the outage can't provide the mosquito that leads to the reason of convection current and get into the inside problem of box 1.

Example 2

Referring to fig. 11-16, the present invention provides a technical solution: a lamp box for picture insertion comprises a box body 1 and a display screen 11 arranged on the box body 1, wherein a cavity 12 is formed in the box body 1, a main shaft 13 is arranged in the cavity 12, the main shaft 13 extends to the outer side of the box body 1, and a holding part 2 used for being held by hands and driving the main shaft 13 to move is arranged at one end of the main shaft, which is positioned outside the box body 1;

and a through heat dissipation through hole 14 is arranged on the side wall of the box body 1, a combined convection conduit 5 capable of simultaneously convectively ventilating and intaking air is arranged in the heat dissipation through hole 14, an active ventilation mechanism 6 is arranged in the box body 1 near the combined convection conduit 5, and the active ventilation mechanism 6 utilizes the combined convection conduit 5 to convectively ventilate and exchange heat in the box body 1.

In one embodiment, the main shaft 13 is installed in the cavity 12 by a rotating shaft, the holding part 2 is an extending shaft 21 installed at the end of the main shaft 13 and extending in the opposite direction of the main shaft 13, and an arc-edge handle 22 matching with the hand of a human body is provided at the end of the extending shaft 21, so that the main shaft 13 can be held by the hand and pulled to rotate.

it should be noted that, in the present application, the laser receiver 327 has two optional mounting positions, one of which is mounted at the limit moving position of the laser transmitter 329, and at this time, when the laser receiver 327 receives a signal once, the mark is a 4 switch, but this design is easy to cause the laser receiver 327 not to trigger when the main shaft 13 cannot be rotated to the limit position after the user continues to exercise; secondly, the laser receiver 327 is installed in the specific middle section of the movement of the laser transmitter 329, so that in implementation, when the laser receiver 327 receives signals on two sides, the first identifier 4 is switched, which effectively avoids the problem that the laser receiver 327 does not trigger when the strength of a user is reduced, but easily causes the problem of transition switching of the first identifier 4, namely the amount of the fat identifier has been switched without reaching the corresponding amount of exercise, and the installation position of the fat identifier can be flexibly selected in specific use.

As another embodiment, the active ventilation mechanism 6 includes a rotating shaft 63 installed in the installation hole 57 by using a mounting bracket, a fan blade 64 is installed on the rotating shaft 63, and air is drawn when the rotating shaft 63 drives the fan blade 64 to rotate;

still including installing the interlock mechanism 65 between rotation axis 63 and main shaft 13, drive rotation axis 63 action and aspirate when main shaft 13 action, and be provided with temperature sensor 66 in box 1, and be provided with two identifications 67 that can mark the inside heat change of box 1 on display screen 11, temperature sensor 66 real-time supervision box 1 inside temperature, and two identifications 67 are the spheroid that floats equally, the inside temperature of lamp house 1 is annotated in real time to the center, every 0.1 degree that reduces at the inside temperature of lamp house 1, a little spheroid of come-up, little spheroid accumulates the accumulative total and reduces the temperature measurement above.

Further, the linkage mechanism 65 includes a first sprocket 651 mounted on the rotating shaft 63, and a first chain 652 is provided outside each first sprocket 651 to synchronize each rotating shaft 63;

any rotating shaft 63 is also provided with a second chain wheel 653, the main shaft 13 is provided with a third chain wheel 654, and a second chain 655 is arranged outside the second chain wheel 653 and the third chain wheel 654 so as to drive the rotating shaft 63 to rotate when the main shaft 13 rotates.

Through the above design, when main shaft 13 is rotatory, with its and flabellum 64 interlock, this in-process, main shaft 13's rotation not only can play the effect of taking exercise, can also play the effect of cooling down to lamp house 1 inside through flabellum 64 simultaneously, and the cooling effect is visual, increases interesting and achievement sense (the spirit satisfies the degree promptly) to further attract eyeball.

Further, sprocket three 654 has a diameter much larger than sprocket two 653 to accelerate rotation of fan blades 41 and 64 when spindle 13 rotates, thereby ensuring stable ventilation effect.

Further, in order to ensure ventilation continuity and avoid damage to the connection between the rotating shaft 63 and the fan blade 64, a first ratchet mechanism 68 is embedded in the cavity 12, a bearing shaft 681 is arranged at the inner ring of the first ratchet mechanism 68, a second ratchet mechanism 682 is arranged on the bearing shaft 681, a fourth sprocket 683 is arranged at the outer ring of the second ratchet mechanism 682, a second chain 655 is connected with a third sprocket 654 and a fourth sprocket 683, a fifth sprocket 684 is further arranged on the bearing shaft 681, and a third chain 685 is arranged at the outer sides of the second sprocket 635 and the fifth sprocket 684, so that the bearing shaft 681 rotates in a single direction, namely the fan blade 64 rotates continuously and stably in a single direction, and the problem of abrasion and damage to the connection is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a lamp house for picture insertion, includes box (1) and installs display screen (11) on box (1), its characterized in that: a cavity (12) is formed in the box body (1), a main shaft (13) is installed in the cavity (12), the main shaft (13) extends to the outer side of the box body (1), and a holding part (2) used for being held by a hand and driving the main shaft (13) to move is installed at one end of the main shaft (13) located outside the box body (1);

a load component (3) which is connected with the main shaft (13) and provides resistance for the action of the main shaft (13) is arranged in the cavity (12), a first mark (4) capable of marking the change of fat is arranged on the display screen (11), and the first mark (4) switches marks according to the action times of the main shaft (13);

and be provided with heat dissipation through-hole (14) that runs through on box (1) lateral wall be provided with combination formula convection current pipe (5) that can advance the STREAMING simultaneously and go out of gas in heat dissipation through-hole (14), and be provided with active ventilation mechanism (6) near combination formula convection current pipe (5) position in box (1), active ventilation mechanism (6) utilize combination formula convection current pipe (5) to carry out STREAMING ventilation heat transfer in to box (1).

2. A light box for picture-insertion according to claim 1, wherein: the main shaft (13) is arranged in the cavity (12) through a rotating shaft, the holding part (2) is an extension shaft (21) which is arranged at the end part of the main shaft (13) and extends along the direction perpendicular to the main shaft (13), and an arc edge handle (22) matched with a hand of a human body is arranged at the end part of the extension shaft (21).

3. A light box for picture-insertion according to claim 2, wherein: the load part (3) comprises a torsion spring (31) sleeved on the main shaft (13), and two ends of the torsion spring (31) are respectively connected with the inner wall of the cavity (12) and the main shaft (13);

and a monitoring mechanism (32) connected with the main shaft (13) is also arranged in the cavity (12), and the number of times of the main shaft (13) is monitored when the main shaft (13) acts.

4. A light box for picture interpolation according to claim 3, wherein: the monitoring mechanism (32) comprises a hollow guide rail (321) arranged on the inner wall of the cavity (12), a sliding seat (322) is arranged in the hollow guide rail (321) in a sliding mode, a traction rope (323) is arranged on one side, close to the spindle (13), of the sliding seat (322), a belt wheel (324) is arranged on the spindle (13), a through groove (325) penetrating through the hollow guide rail (321) is formed in the hollow guide rail (321), the traction rope (323) penetrates through the through groove (325) and then is fixedly wound on the belt wheel (324), and a spring (326) is arranged between the bottom end of the sliding seat (322) and the inner wall of the hollow guide rail (321);

the laser guide rail structure is characterized by further comprising a laser receiver (327) arranged on the inner wall of the cavity (12), a through channel (328) is arranged on the side wall, close to the laser receiver (327), of the hollow guide rail (321), a laser transmitter (329) is embedded in one side, close to the channel (328), of the sliding seat (322), and the sliding seat (322) is opposite to the laser receiver (327) in the longitudinal moving process.

5. A light box for picture-insertion according to claim 4, characterized in that: the combined convection conduit (5) comprises a main pipe (51) arranged in the heat dissipation through hole (14), an auxiliary pipe (52) with the outer diameter smaller than the inner diameter of the main pipe (51) is arranged in the main pipe (51), and a connecting lug (53) for positioning and connecting the auxiliary pipe (52) is arranged between the main pipe (51) and the auxiliary pipe (52);

the box body is characterized by further comprising a hollow seat (54) arranged on the inner wall of the box body (1), one side of the hollow seat (54) is provided with an air outlet (55) communicated with the main pipe (51) so as to communicate the hollow seat (54) with the main pipe (51), the other side of the hollow seat (54) is provided with a through hole (56), the auxiliary pipe (52) extends into the hollow seat (54) from the air outlet (55), and is communicated with the interior of the box body (1) after penetrating through the through hole (56);

the side wall of the hollow seat (54) is provided with a through mounting hole (57), the active ventilation mechanism (6) is mounted in the mounting hole (57) so as to pump the air inside the box body (1) into the hollow seat (54) and discharge the air by using the main pipe (51), and meanwhile, the air is pumped from the outside by using the auxiliary pipe (52) in the inner space of the box body (1) so as to form convection with the air discharged from the main pipe (51).

6. A light box for picture-insertion according to claim 5, characterized in that: the active ventilation mechanism (6) comprises an axial flow fan (61) arranged in the mounting hole (57), and air in the box body (1) is pumped into the hollow seat (54) by the axial flow fan (61);

and a sensing system (62) is further arranged on the box body (1), and the combined convection conduit (5) is selectively sealed by the sensing system (62).

7. A light box for picture-insertion according to claim 5, characterized in that: the sensing system (62) comprises a terminal controller (621), a humidity sensor (622), a standby power supply (623) and an electric door (624), wherein the electric door (624) is used for sealing and separating a secondary pipe (52) and a ventilation fan so as to provide a sealed environment for the interior of the box body (1);

when the humidity sensor (622) detects that the air humidity is high, the terminal controller (621) controls the electric door (624) to seal, and when the box body (1) is powered off, the standby power supply (623) is utilized to control the power off of the electric door (624).

8. A light box for picture-insertion according to claim 5, characterized in that: the active ventilation mechanism (6) comprises a rotating shaft (63) which is installed in the installation hole (57) by using an installation frame, fan blades (64) are installed on the rotating shaft (63), and air draft is performed when the rotating shaft (63) drives the fan blades (64) to rotate;

the vacuum suction box is characterized by further comprising a linkage mechanism (65) arranged between the rotating shaft (63) and the main shaft (13), wherein the main shaft (13) drives the rotating shaft (63) to act to suck when acting, a temperature sensor (66) is arranged in the box body (1), and a second mark (67) capable of marking heat change in the box body (1) is arranged on the display screen (11).

9. A light box for an illustration according to claim 8, wherein: the linkage mechanism (65) comprises first chain wheels (651) arranged on the rotating shafts (63), and first chains (652) are arranged outside the first chain wheels (651) so as to synchronize the rotating shafts (63);

any rotating shaft (63) is further provided with a second chain wheel (653), the main shaft (13) is provided with a third chain wheel (654), and a second chain (655) is arranged on the outer sides of the second chain wheel (653) and the third chain wheel (654) so as to drive the rotating shaft (63) to rotate when the main shaft (13) rotates.

10. A light box for picture interpolation according to claim 9, wherein: sprocket three (654) has a diameter substantially greater than sprocket two (653).