CN215069108U - Student management is with wall-hanging propaganda device - Google Patents

Student management is with wall-hanging propaganda device Download PDF

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Publication number
CN215069108U
CN215069108U CN202120798285.3U CN202120798285U CN215069108U CN 215069108 U CN215069108 U CN 215069108U CN 202120798285 U CN202120798285 U CN 202120798285U CN 215069108 U CN215069108 U CN 215069108U
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China
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wall
propaganda device
storage box
end surface
dehumidifier
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CN202120798285.3U
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Chinese (zh)
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张洁
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Jiangsu Maritime Institute
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Jiangsu Maritime Institute
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Abstract

The utility model discloses a wall-hanging propaganda device is used in student's management, including propaganda device main part and apron, the upper end surface of propaganda device main part is provided with installation fixed establishment. The wall-mounted propaganda device for student management has the advantages that the installation is simpler and more convenient and the stability is higher through the arranged installation plate, the first fixed block, the second fixed block, the first fixed rod, the second fixed rod and the nut, the working efficiency of a user is improved, and the working intensity of the user is reduced; through the dehumidifier, the power interface, the controller, the connecting box, the dehumidifying component and the moisture absorption cotton, moisture in the propaganda column can be removed, damage to the propaganda picture is avoided, and the practicability of the propaganda picture is improved; through the receiver, handle, sliding rail set spare, the built-in recess of placing, dampproof course and the antirust coat that sets up, can collect the poster and deposit, it is simple and convenient to take, and the structure is comparatively diversified to certain retention ability has.

Description

Student management is with wall-hanging propaganda device
Technical Field
The utility model relates to a teaching aid technical field, in particular to student management is with wall-hanging propaganda device.
Background
The publicity column is a VI application, is an effective means for self-publicity of organizations or enterprise units and the like, and is often applied to public places such as streets, factories, hotels and the like; generally adopt the stainless steel to be the frame, toughened glass or endurance plate are the panel, and the aluminum alloy is the ceiling, and the panel can be opened and change the propaganda picture, and the publicity column that school used can't satisfy people's demand, so urgently need a novel wall-hanging propaganda device.
The existing publicity column is complex to install and low in stability when being installed, and the working efficiency of a user is reduced; moisture in the propaganda column cannot be removed, so that the propaganda picture is damaged, and the practicability of the propaganda picture is reduced; unable collection to the poster is deposited, and the structure is comparatively single, for this reason, we provide a wall-hanging propaganda device for student's management.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a student manages with wall-hanging propaganda device can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a student management is with wall-hanging propaganda device, includes propaganda device main part and apron, the upper end surface of propaganda device main part is provided with installation fixed establishment, the front end surface of apron is provided with dehumidification structure, one side surface of propaganda device main part is provided with receiving mechanism.
Preferably, installation fixed establishment includes mounting panel, fixed block, No. two fixed blocks, a dead lever, No. two dead levers and nut, a fixed block and No. two fixed blocks are located the rear end surface of mounting panel, a dead lever is located the front end surface of mounting panel, No. two dead levers are located a fixed block and No. two one side surfaces of fixed block, the nut is located the outer wall of a dead lever.
Preferably, the rear end surface of mounting panel and the one end surface welded connection of a fixed block and No. two fixed blocks, the front end surface of mounting panel can be dismantled with the outer wall of a dead lever and be linked, one side surface of a fixed block and No. two fixed blocks can be dismantled with the outer wall of No. two dead levers and be connected, the outer wall of a dead lever can be dismantled with the inner wall of nut and be connected.
Preferably, the dehumidification structure includes dehumidifier, power source, controller, connecting box, dehumidification subassembly and moisture absorption cotton, power source and controller are located the front end surface of dehumidifier, the connecting box is located the upper end surface of dehumidifier, the dehumidification subassembly is located the inside of connecting box, the moisture absorption cotton is located the internal surface all around of connecting box.
Preferably, the dehumidifier is connected with power source and controller electric connection, be provided with the installation component between dehumidifier and the connecting box, the upper end surface of dehumidifier can be dismantled through the lower extreme surface of installation component and connecting box and be connected, be provided with the connecting piece between connecting box and the dehumidification component, the inside of connecting box can be dismantled through the connecting piece and be connected with the one end surface of dehumidification component, be provided with the spread groove between connecting box and the cotton absorption, the internal surface all around of connecting box can be dismantled through spread groove and cotton absorption's surface all around and be connected, the inside of dehumidifier is provided with compressor, condenser, evaporimeter and throttle subassembly.
Preferably, the accommodating mechanism comprises an accommodating box, a handle, a sliding rail assembly, a built-in placing groove, a moisture-proof layer and an anti-rust layer, the handle is located on the outer surface of the front end of the accommodating box, the sliding rail assembly is located on the inner surfaces of the two sides of the accommodating box, the built-in placing groove is located in the middle of the accommodating box, and the moisture-proof layer and the anti-rust layer are located on the inner surfaces of the periphery of the accommodating box.
Preferably, a fixing screw is arranged between the storage box and the handle, the front end outer surface of the storage box is detachably connected with the rear end outer surface of the handle through the fixing screw, a fixing part is arranged between the storage box and the sliding rail assembly, the inner surfaces of the two sides of the storage box are detachably connected with the outer surface of one side of the sliding rail assembly through the fixing part, the built-in placing groove is formed in the middle of the storage box through mechanical equipment, and the moisture-proof layer and the anti-rust layer are sprayed on the inner surfaces of the storage box in the periphery through the mechanical equipment.
Preferably, the moisture-proof coating is arranged inside the moisture-proof layer, and the metal aluminum powder antirust coating is arranged inside the antirust layer.
Preferably, a movable assembly is arranged between the propaganda device main body and the cover plate, and the outer surface of the front end of the propaganda device main body is movably connected with the outer surface of the rear end of the cover plate through the movable assembly.
Preferably, a mounting groove and a hexagonal screw are arranged between the cover plate and the dehumidifying structure, and the outer surface of the front end of the cover plate is detachably connected with the outer surface of the lower end of the dehumidifying structure through the mounting groove and the hexagonal screw.
Compared with the prior art, the utility model discloses following beneficial effect has: this wall-hanging propaganda device:
the installation fixing mechanism is simple and convenient to install and high in stability, the working efficiency of a user is improved, and the working strength of the user is reduced; moisture in the propaganda column can be removed through the arranged dehumidification structure, damage to the propaganda picture is avoided, and the practicability is improved; through the receiving mechanism who sets up, can collect the poster and deposit, it is simple and convenient to take, and the structure is comparatively diversified to certain retention capacity has.
Whole wall-hanging propaganda device, simple structure, convenient operation, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a schematic view of the overall structure of a wall-mounted propaganda device for student management of the present invention;
fig. 2 is a structural diagram of an installation fixing mechanism 3 of a wall-mounted propaganda device for student management of the utility model;
fig. 3 is a structural diagram of a dehumidifying structure 4 of a wall-mounted propaganda device for student management of the present invention;
fig. 4 is a structural diagram of an accommodating mechanism 5 of a wall-mounted propaganda device for student management of the present invention;
fig. 5 is a side view of the mounting and fixing mechanism 3 of the wall-mounted propaganda device for student management of the present invention;
fig. 6 is an internal view of the wall-mounted propaganda device dehumidifier 401 and the connection box 404 for student management of the present invention;
fig. 7 is the utility model discloses a student manages with wall-hanging propaganda device A's enlarged schematic view of structure in fig. 4.
In the figure: 1. a propaganda device main body; 2. a cover plate; 3. installing a fixing mechanism; 4. a dehumidifying structure; 5. a storage mechanism; 301. mounting a plate; 302. a first fixed block; 303. a second fixed block; 304. a first fixing rod; 305. a second fixing rod; 306. a nut; 401. a dehumidifier; 402. a power interface; 403. a controller; 404. a connection box; 405. a dehumidification assembly; 406. moisture absorption cotton; 501. a storage box; 502. a handle; 503. a slide rail assembly; 504. a placing groove is arranged in the shell; 505. a moisture barrier; 506. and (7) an anti-rust layer.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-7, a wall-mounted propaganda device for student management comprises a propaganda device body 1 and a cover plate 2, wherein an installation fixing mechanism 3 is arranged on the outer surface of the upper end of the propaganda device body 1, a dehumidification structure 4 is arranged on the outer surface of the front end of the cover plate 2, and an accommodating mechanism 5 is arranged on the outer surface of one side of the propaganda device body 1.
Wherein, installation fixed establishment 3 includes mounting panel 301, a fixed block 302, No. two fixed blocks 303, a dead lever 304, No. two dead levers 305 and nut 306, a fixed block 302 is located mounting panel 301's rear end surface with No. two fixed blocks 303, a dead lever 304 is located mounting panel 301's front end surface, No. two dead levers 305 are located a fixed block 302 and No. two fixed blocks 303's one side surface, nut 306 is located the outer wall of a dead lever 304, installation fixed establishment 3 through setting up, the installation is comparatively simple and convenient, stability is higher, user's work efficiency has been improved, user's working strength has been reduced.
Wherein, the outer surface of the rear end of the mounting plate 301 is welded with the outer surfaces of one ends of a first fixing block 302 and a second fixing block 303, the outer surface of the front end of the mounting plate 301 is detachably connected with the outer wall of the first fixing rod 304, the outer surfaces of one sides of the first fixing block 302 and the second fixing block 303 are detachably connected with the outer wall of the second fixing rod 305, the outer wall of the first fixing rod 304 is detachably connected with the inner wall of the nut 306, the mounting plate 301 is butted at a specified fixing point by the arranged mounting plate 301, the first fixing block 302, the second fixing block 303, the first fixing rod 304, the second fixing rod 305 and the nut 306, a plurality of groups of small holes are reserved on the wall surface, the first fixing block 302 and the second fixing block 303 are fixed at the specified point, then the first fixing rod 304 is inserted into the reserved hole, at the moment, the second fixing rod 305 penetrates through the first fixing block 302 and the second fixing block 303 and is inserted into the first fixing rod 304, thereby fix overall structure, No. two dead levers 305 are screwed up to rethread nut 306, and overall structure installation is comparatively simple and convenient, and stability is higher, has improved user's work efficiency, has reduced user's working strength.
Wherein, dehumidification structure 4 includes dehumidifier 401, power source 402, controller 403, junction box 404, dehumidification subassembly 405 and cotton 406 that absorbs moisture, power source 402 is located the front end surface of dehumidifier 401 with controller 403, junction box 404 is located the upper end surface of dehumidifier 401, dehumidification subassembly 405 is located the inside of junction box 404, cotton 406 that absorbs moisture is located the internal surface all around of junction box 404, through dehumidification structure 4 who sets up, can dispel the inside moisture of publicity column, avoid the poster to damage, the practicality has been improved.
Wherein, the dehumidifier 401 is electrically connected with the power interface 402 and the controller 403, a mounting assembly is arranged between the dehumidifier 401 and the connecting box 404, the outer surface of the upper end of the dehumidifier 401 is detachably connected with the outer surface of the lower end of the connecting box 404 through the mounting assembly, a connecting piece is arranged between the connecting box 404 and the dehumidifying assembly 405, the interior of the connecting box 404 is detachably connected with the outer surface of one end of the dehumidifying assembly 405 through the connecting piece, a connecting groove is arranged between the connecting box 404 and the hygroscopic cotton 406, the inner surface of the periphery of the connecting box 404 is detachably connected with the outer surface of the periphery of the hygroscopic cotton 406 through the connecting groove, a compressor, a condenser, an evaporator and a throttling assembly are arranged in the dehumidifier 401, the power interface 402, the controller 403, the connecting box 404, the dehumidifying assembly 405 and the hygroscopic cotton 406 are connected with a power supply through the power interface 402, and the controller 403 starts the dehumidifier 401, dehumidification subassembly 405 starts, inhale the inside of junction box 404 with moisture simultaneously, it can filter the dilution to absorb moisture cotton 406, the compressor compresses into high-temperature gas through the compressor with low-temperature gas, gas exchanges heat with other medium in the heat exchanger, the condenser can cool off into liquid or gas-liquid mixture with the high-temperature high-pressure refrigerant superheated steam of compressor exhaust this moment, and the evaporimeter utilizes the principle that liquid low temperature refrigerant easily evaporates under the low-pressure, in order to reach cryogenic purpose, vapour in the dehumidifier 401 will be absorbed and cooled down, the throttling assembly can make the high-pressure liquid throttle step-down that the condenser came out, make liquid refrigerant evaporate the heat absorption under the low-pressure, thereby reach the effect of dehumidification, overall structure can dispel the inside moisture of publicity column, avoid the poster to damage, the practicality has been improved.
Wherein, receiving mechanism 5 includes receiver 501, handle 502, sliding rail set 503, built-in recess 504 of placing, dampproof course 505 and antirust coat 506, handle 502 is located the front end surface of receiver 501, sliding rail set 503 is located the both sides internal surface of receiver 501, built-in recess 504 of placing is located the middle part of receiver 501, dampproof course 505 and antirust coat 506 are located receiver 501 internal surface all around, receiving mechanism 5 through setting up, can collect the poster and deposit, it is simple and convenient to take, the structure is comparatively diversified, and certain retention capacity has.
Wherein, a fixing screw is arranged between the storage box 501 and the handle 502, the outer surface of the front end of the storage box 501 is detachably connected with the outer surface of the rear end of the handle 502 through the fixing screw, a fixing part is arranged between the storage box 501 and the sliding rail component 503, the inner surfaces of two sides of the storage box 501 are detachably connected with the outer surface of one side of the sliding rail component 503 through the fixing part, the built-in placing groove 504 is arranged in the middle of the storage box 501 through mechanical equipment, the moisture-proof layer 505 and the anti-rust layer 506 are sprayed on the inner surface of the periphery of the storage box 501 through the mechanical equipment, the poster is placed into the storage box 501 through the arranged storage box 501, the handle 502, the sliding rail component 503, the built-in placing groove 504, the moisture-proof layer 505 and the anti-rust layer 506, the poster is fixed through the built-in placing groove 504, the handle 502 is convenient for a user to take the poster, the handle 502 can open the storage box 501 through the sliding rail component 503, the inside dampproofing coating of dampproof course 505 is through silicon rubber high molecular polymer as the base material, can effectively prevent, reduce moisture and moist infiltration, the aluminite powder in the inside metal aluminite powder antirust coating of antirust coat 506 has scale sheet structure, it is inseparable to form the paint film, the ability of stronger reflection ultraviolet ray light in addition, can improve the ability of paint film ageing resistance, thereby improve receiver 501's dampproofing antirust capacity, overall structure can be collected the poster and deposit, it is simple and convenient to take, the structure is comparatively diversified, and certain retention ability has.
Wherein, the inside of dampproof course 505 is provided with dampproofing coating, the inside of antirust coat 506 is provided with metal aluminite powder antirust coating, the inside dampproofing coating of dampproof course 505 is as the base stock through silicon rubber high molecular polymer, can effectively prevent, reduce moisture and moist infiltration, the aluminite powder in the inside metal aluminite powder antirust coating of antirust coat 506 has scale sheet structure, it is inseparable to form the paint film, the ability of stronger reflection ultraviolet ray in addition, can improve the ability of paint film ageing resistance, thereby improve receiver 501's dampproofing antirust capacity.
Wherein, be provided with the movable assembly between propaganda device main part 1 and the apron 2, the front end surface of propaganda device main part 1 passes through the movable assembly and laps 2 rear end surface swing joint, and the movable assembly is convenient for connect propaganda device main part 1 and apron 2.
Wherein, be provided with mounting groove and hexagonal screw between apron 2 and the dehumidification structure 4, the front end surface of apron 2 can be dismantled with the lower extreme surface of dehumidification structure 4 through mounting groove and hexagonal screw and be connected, and mounting groove and hexagonal screw are convenient for fix apron 2 and dehumidification structure 4.
It should be noted that, the utility model relates to a wall-hanging propaganda device is used in student's management, when using, through mounting panel 301 that sets up, fixed block 302, No. two fixed blocks 303, dead lever 304, dead lever 305 and nut 306 No. two, dock mounting panel 301 at appointed fixed point, and reserve the multiunit aperture on the wall, fixed block 302 and No. two fixed blocks 303 are fixed at appointed point, inject dead lever 304 again into the preformed aperture, No. two dead lever 305 runs through fixed block 302 and No. two fixed blocks 303 and inserts into dead lever 304 inside this moment, thereby fix overall structure, rethread nut 306 screws up dead lever 305 No. two, overall structure installs comparatively portably, and stability is higher, user's work efficiency has been improved, user's working strength has been reduced, dehumidifier 401 through the setting, power source 402, controller 403, The connecting box 404, the dehumidifying component 405 and the moisture absorption cotton 406 are connected through the power interface 402, the dehumidifier 401 is started by the controller 403, the dehumidifying component 405 is started, meanwhile, moisture is absorbed into the connecting box 404, the moisture absorption cotton 406 can filter and dilute the moisture, the low-temperature gas is compressed into high-temperature gas by the compressor, the gas exchanges heat with other media in the heat exchanger, at the moment, the condenser can cool the high-temperature high-pressure refrigerant superheated steam discharged by the compressor into liquid or gas-liquid mixture, the evaporator utilizes the principle that the liquid low-temperature refrigerant is easy to evaporate under low pressure, in order to achieve the purpose of refrigeration, the steam in the dehumidifier 401 can be absorbed and cooled, the throttling component can reduce the pressure of the high-pressure liquid discharged by the condenser, the liquid refrigerant is evaporated under low pressure to absorb heat, thereby achieving the dehumidifying effect, the whole structure can remove the moisture in the propaganda column, the damage of the poster is avoided, the practicability is improved, the poster is placed into the storage box 501 through the storage box 501, the handle 502, the sliding rail assembly 503, the built-in placing groove 504, the moisture-proof layer 505 and the anti-rust layer 506, the poster is fixed through the built-in placing groove 504, the handle 502 is convenient for a user to take the poster, the storage box 501 can be opened through the sliding rail assembly 503 by the handle 502, the moisture-proof coating in the moisture-proof layer 505 is made of silicon rubber high polymer serving as a base material, the moisture and humidity permeation can be effectively prevented and reduced, the aluminum powder in the metal aluminum powder anti-rust coating in the anti-rust layer 506 has a scaly structure, a paint film is formed to be compact, the ultraviolet light reflecting capacity is strong, the anti-aging capacity of the paint film can be improved, the moisture-proof and anti-rust capacity of the storage box 501 is improved, the overall structure can collect and store the poster, the taking is simple and convenient, the structure is diversified, and the storage capacity is certain.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a student management is with wall-hanging propaganda device which characterized in that: including propaganda device main part (1) and apron (2), the upper end surface of propaganda device main part (1) is provided with installation fixed establishment (3), the front end surface of apron (2) is provided with dehumidification structure (4), one side surface of propaganda device main part (1) is provided with receiving mechanism (5).
2. The wall-mounted propaganda device for student management according to claim 1, characterized in that: installation fixed establishment (3) are including mounting panel (301), fixed block (302), No. two fixed blocks (303), dead lever (304), No. two dead levers (305) and nut (306), fixed block (302) and No. two fixed blocks (303) are located the rear end surface of mounting panel (301), dead lever (304) are located the front end surface of mounting panel (301), No. two dead levers (305) are located one side surface of fixed block (302) and No. two fixed blocks (303), nut (306) are located the outer wall of dead lever (304).
3. The wall-mounted propaganda device for student management according to claim 2, characterized in that: the rear end surface of mounting panel (301) and the one end surface welded connection of fixed block (302) and No. two fixed blocks (303), the front end surface of mounting panel (301) can be dismantled with the outer wall of a dead lever (304) and be linked, the one side surface of fixed block (302) and No. two fixed blocks (303) can be dismantled with the outer wall of No. two dead levers (305) and be connected, the outer wall of dead lever (304) can be dismantled with the inner wall of nut (306) and be connected.
4. The wall-mounted propaganda device for student management according to claim 1, characterized in that: the dehumidifying structure (4) comprises a dehumidifier (401), a power interface (402), a controller (403), a connecting box (404), a dehumidifying component (405) and hygroscopic cotton (406), wherein the power interface (402) and the controller (403) are located on the outer surface of the front end of the dehumidifier (401), the connecting box (404) is located on the outer surface of the upper end of the dehumidifier (401), the dehumidifying component (405) is located inside the connecting box (404), and the hygroscopic cotton (406) is located on the inner surface of the periphery of the connecting box (404).
5. The wall-mounted propaganda device for student management according to claim 4, wherein: dehumidifier (401) and power source (402) and controller (403) electric connection, be provided with the installation component between dehumidifier (401) and connecting box (404), the upper end surface of dehumidifier (401) can be dismantled through the lower extreme surface of installation component with connecting box (404) and be connected, be provided with the connecting piece between connecting box (404) and dehumidification subassembly (405), the inside of connecting box (404) can be dismantled through the connecting piece and the one end surface of dehumidification subassembly (405) and be connected, be provided with the spread groove between connecting box (404) and hygroscopic cotton (406), the internal surface all around of connecting box (404) can be dismantled through the spread groove and the surface all around of hygroscopic cotton (406) and be connected, the inside of dehumidifier (401) is provided with compressor, condenser, evaporimeter and throttling assembly.
6. The wall-mounted propaganda device for student management according to claim 1, characterized in that: the storage mechanism (5) comprises a storage box (501), a handle (502), a sliding rail assembly (503), a built-in placement groove (504), a moisture-proof layer (505) and an anti-rust layer (506), wherein the handle (502) is located on the outer surface of the front end of the storage box (501), the sliding rail assembly (503) is located on the inner surfaces of the two sides of the storage box (501), the built-in placement groove (504) is located in the middle of the storage box (501), and the moisture-proof layer (505) and the anti-rust layer (506) are located on the inner surfaces of the periphery of the storage box (501).
7. The wall-mounted propaganda device for student management according to claim 6, characterized in that: the storage box is characterized in that a fixing screw is arranged between the storage box (501) and the handle (502), the front end outer surface of the storage box (501) is detachably connected with the rear end outer surface of the handle (502) through the fixing screw, a fixing part is arranged between the storage box (501) and the sliding rail assembly (503), the inner surfaces of the two sides of the storage box (501) are detachably connected with the outer surface of one side of the sliding rail assembly (503) through the fixing part, a built-in placement groove (504) is formed in the middle of the storage box (501) through mechanical equipment, and the moisture-proof layer (505) and the anti-rust layer (506) are sprayed on the inner surfaces of the periphery of the storage box (501) through the mechanical equipment.
8. The wall-mounted advertising device for student management according to claim 7, wherein: the interior of the moisture-proof layer (505) is provided with a moisture-proof coating, and the interior of the antirust layer (506) is provided with a metal aluminum powder antirust coating.
9. The wall-mounted propaganda device for student management according to claim 1, characterized in that: be provided with the movable assembly between propaganda device main part (1) and apron (2), the front end surface of propaganda device main part (1) passes through the rear end surface swing joint of movable assembly and apron (2).
10. The wall-mounted propaganda device for student management according to claim 1, characterized in that: be provided with mounting groove and hexagonal screw between apron (2) and dehumidification structure (4), the front end surface of apron (2) passes through the lower extreme surface of mounting groove and hexagonal screw and dehumidification structure (4) and can dismantle the connection.
CN202120798285.3U 2021-04-19 2021-04-19 Student management is with wall-hanging propaganda device Active CN215069108U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120798285.3U CN215069108U (en) 2021-04-19 2021-04-19 Student management is with wall-hanging propaganda device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120798285.3U CN215069108U (en) 2021-04-19 2021-04-19 Student management is with wall-hanging propaganda device

Publications (1)

Publication Number Publication Date
CN215069108U true CN215069108U (en) 2021-12-07

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Application Number Title Priority Date Filing Date
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CN (1) CN215069108U (en)

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