Data classification management device for educational management

By introducing a combined structure of power control terminal, electronic storage unit and heat dissipation terminal into the classification management device, the problem of classifying and searching paper materials is solved, the dry storage and stable management of paper materials are realized, and the ease of use and security of the education management device are improved.

CN121369865APending Publication Date: 2026-01-23邹雅洁
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Patent Information

Application Number
CN202511362967.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-23
Publication Date
2026-01-23

AI Technical Summary

Technical Problem

Existing classification and management devices are difficult to classify and search when storing paper documents due to their simple structure. They are also prone to moisture damage, which can cause the text to become blurred. Furthermore, their open structure allows humid air to enter the space, affecting the protection and management efficiency of the documents.

Method used

An educational management data classification and management device was designed. Through the combination of a power control terminal, an electronic storage body, a connecting frame and a heat dissipation terminal, combined with inserts, power rods and ventilators, the device can achieve the positioning and ventilation of the paper storage structure, prevent the intrusion of humid air, and exhaust turbid air through the cover and ventilators to ensure the dryness of the storage tank and the stability of the classification structure.

Benefits of technology

It effectively prevents paper documents from getting damp, improves retrieval efficiency and protection, ensures the dryness of the storage compartments and the stability of classification management, avoids power leakage, and improves the ease of use and safety of the device.

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Abstract

The invention provides a data classification management device for educational management. The data classification management device structurally comprises a power-on control end, an electronic storage main body, a connection frame, a heat dissipation end and a paper storage structure, after a paper storage structure is improved, paper materials are classified and stored in order through the storage grooves of the storage box and the classification structure, then mutual communication of the ventilation end and the heat dissipation end is ensured by combining position positioning of the insertion blocks and the power-on rods, and then the ventilator is started to lead out humid and turbid air in the storage grooves; furthermore, hot air blown out from the heat dissipation end can enable the interior of the storage groove to be in a continuous dry state, so that the condition that fonts are fuzzy due to the fact that paper files are affected with damp due to continuous contact with outside air can be effectively avoided; and meanwhile, the classification structure can improve the classification searching efficiency of the paper files through the ventilation clamping sleeve and the label groove of the supporting block, the empty groove position receives hot air of the heat dissipation end, and classification protection of the paper files is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of educational material classification management, in particular to a material classification management device for educational management. BACKGROUND

[0002] Educational materials refer to all carriers and information collected, used in education, teaching and management activities, and are the material embodiment of knowledge, experience and information, and are the cornerstone and tool for carrying out educational activities and achieving educational goals. However, educational materials are not just paper documents. They are also presented in electronic document format, so that various types and content of materials can be systematically classified and stored by the classification management device and paper materials can be stored and managed by the classification shelf, thus facilitating the subsequent search for related materials and avoiding the difficulty of finding materials due to too much clutter. As the inventor has found, the existing classification management device has the following defects: the current classification management device can store electronic materials through a computer main body and a classification search system, and can also carry a special paper material storage shelf on the side of the device. The structure of the current ordinary storage shelf is relatively simple, and after the materials are put in, they will be in a stacked state, so it is difficult to find and classify them. At the same time, the storage shelf is continuously transparent to the outside world, so the continuous invasion of humid air in the space will cause the paper materials to be damp, resulting in blurred fonts. Therefore, it is difficult to protect the classification and storage of paper materials, which further reduces the use intensity of the material classification management device. SUMMARY

[0003] The technical solution adopted by the present application to achieve the technical purpose is: a material classification management device for educational management, which comprises: a power control end, an electronic storage main body, a connection frame, a heat dissipation end, and a paper storage structure. The power control end and the electronic storage main body are integrated, and the connection frame and the heat dissipation end are mounted on the side of the electronic storage main body and connected to the paper storage structure.

[0004] As a further improvement of the present application, the paper storage structure is provided with a pull block, one end of which is connected to a storage box, and the inside of the storage box is provided with a storage slot, and the top is provided with a cover and a ventilator. The classification structure is vertically positioned by the storage slot and communicates with the cover. A plug-in block, a power rod and a ventilation end are also mounted on the side of the storage box.

[0005] As a further improvement of the present application, the classification structure is also provided with a positioning block, the upper end of which is connected to a support block, and the surface of the support block is provided with a label slot. A ventilation jacket is connected to the upper end of the support block, and an air slot is provided in the ventilation jacket and a clamping block is embedded.

[0006] As a further improvement of the application, the storage box of the paper storage structure is fixedly connected to the side of the electronic storage body by the adapter frame through the plug and the power supply rod, and the ventilation end and the heat dissipation end are communicated, and the classified structure inside the storage box receives the heat energy flow of the ventilation end, and then the cover on the upper end combines the ventilator to guide the internal turbid and humid air out.

[0007] As a further improvement of the application, the power supply control end is provided with multiple electric connection grooves to electrically connect the electronic storage body, the related display screen and the circuit, and the electronic storage hard disk is arranged inside the electronic storage body, and the adapter frame covers the edge of the heat dissipation end and determines the position of the paper storage structure.

[0008] As a further improvement of the application, the pull block is arranged in a horizontal direction and is fixedly connected to the center of the side of the storage box, the cover on the top of the storage groove of the storage box is provided with a ventilation pipe connected with the ventilator, the classified structure is arranged in a vertical direction inside the storage groove and is communicated with the ventilation end, the ventilation end comprises a dustproof net, the power supply rod is provided with a power supply circuit in the inner wall of the storage box and is electrically connected with the ventilator, and the plug is arranged in a horizontal direction and is matched with the adapter frame.

[0009] As a further improvement of the application, the positioning block is perpendicular to the supporting block, the label groove of the supporting block is in a recessed form, the ventilation jacket is arranged in a vertical direction and the edge is in a grid form, and the air slot comprises two clamping blocks arranged in a symmetrical direction.

[0010] As a further improvement of the application, the storage box is further provided with a groove communicated with a vertical wall, the vertical wall is in contact with the edge of the cover plate, the control block is connected to the upper end of the cover plate and penetrates the upper end of the storage box, and the restraint frame is connected to the upper end of the storage box to limit the edge of the cover plate.

[0011] As a further improvement of the application, the groove is in a rectangular shape and is communicated with the vertical wall at both ends, the vertical wall is arranged in a parallel direction to limit both ends of the edge of the cover plate, the control block on the upper end of the cover plate is in a solid form, and the restraint frame is in a rectangular shape to limit the edge of the cover plate.

[0012] As a further improvement of the application, the edge of the cover plate is further provided with a welding block, one end of the welding block is connected with a parallel plate, and the surface of the parallel plate is connected with a restraint block.

[0013] As a further improvement of the application, the welding block is perpendicular to the parallel plate, and the restraint block and the parallel plate form a cross shape, the parallel plate is welded to the edge of the cover plate through the welding block, and the parallel plate is embedded in the vertical wall to slide vertically through the restraint block.

[0014] As a further improvement of the present application, the adapter frame is provided with a splicing groove which is opened at the upper and lower center positions of the frame body, and the frame body surface edge is provided with an electrified end and is connected with an adsorption frame, and the transverse groove in the center of the adsorption frame also penetrates the center of the frame body.

[0015] As a further improvement of the present application, the splicing groove is square in shape and is arranged in a symmetrical square position at the upper and lower positions of the frame body, the electrified end of the frame body is circular in shape and is provided with four electrified rods which are matched with the number of the electrified rods, the adsorption frame is square in shape and is parallel to the frame body, and the transverse groove is hollow and is communicated with the heat dissipation end and the ventilation end.

[0016] As a further improvement of the present application, the electrified end is also provided with a locking sleeve, and the upper end of the locking sleeve is connected with an insulating disc and the center of the locking sleeve is penetrated by a vertical groove.

[0017] As a further improvement of the present application, the locking sleeve and the insulating disc are both made of rubber and form a "T" shape, and the outer part of the locking sleeve is provided with external threads.

[0018] Compared with the prior art, the present application has the following beneficial effects: 1. The paper storage structure is improved, the paper documents are classified and stored in order through the storage groove and the classification structure of the storage box, the ventilation end and the heat dissipation end are communicated through the position positioning of the plug-in block and the electrified rod, then the humid and turbid air in the storage groove is drawn out by starting the ventilator, and the hot air blown out by the heat dissipation end can keep the storage groove in a dry state, so that the paper documents can be effectively prevented from being damp and the font being blurred due to continuous contact with the outside air, and the classification structure can improve the classification and search efficiency of the paper documents through the label groove of the ventilation jacket and the supporting block, and the hot air of the heat dissipation end received by the empty groove position can improve the classification protection of the paper documents.

[0019] 2. The storage box is improved, the recess, vertical wall and top restraint frame arranged inside can ensure that the covering plate vertically slides up and down through the control block, so that the front end of the storage groove and the position communicated with the outside can be covered, so that the storage can be interrupted for a long time, and the invasion of humid air is completely avoided, and the smoothness when the storage groove position is pulled up and opened is improved by the restraint block and the parallel plate at the edge of the covering plate, and the tilting and jamming during up and down sliding is avoided, so that the opening and closing stability of the classification management device is improved.

[0020] 3. The application is improved by the adapter frame, through the splicing groove of the frame body can be inserted with the storage box plug parallel splicing, then use the surface of the adsorption frame can be stored on the surface of the box adsorption, improve the firmness when connecting, while the power end through its own number and round shape can be matched with the power rod, and then use the insulating lock sleeve and insulating disc can ensure that the power rod in the power supply with electronic storage main body will not appear power leakage, achieve the safety factor of power operation. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Belonging to a kind of structure schematic view of educational management data classification management device.

[0022] Figure 2 Belonging to a kind of structure schematic view of paper storage structure improvement section.

[0023] Figure 3 Belonging to a kind of structure schematic view of classification structure improvement front view.

[0024] Figure 4 Belonging to a kind of structure schematic view of storage box added component improvement stereoscopic.

[0025] Figure 5 Belonging to a kind of structure schematic view of covering plate edge provided with component stereoscopic.

[0026] Figure 6 Belonging to a kind of structure schematic view of adapter frame improvement section.

[0027] Figure 7 Belonging to a kind of structure schematic view of power end provided with component stereoscopic.

[0028] In the figure: power control end-1, electronic storage main body-2, adapter frame-3, heat dissipation end-4, paper storage structure-5; Pull block-51, storage box-52, storage groove-53, covering-54, ventilator-55, classification structure-56, plug-57, power rod-58, ventilation end-59; Positioning block-561, support block-562, label slot-563, ventilation jacket-564, empty slot-565, clamping block-566; Groove-521, vertical wall-522, covering plate-523, control block-524, restraint frame-525; Welding block-5231, parallel plate-5232, restraint block-5233; Splicing groove-31, frame body-32, power end-33, adsorption frame-34, transverse slot-35; Lock sleeve-331, insulating disc-332, vertical slot-333. DETAILED DESCRIPTION

[0029] The application will be further described below in conjunction with the drawings: Example 1: Figures 1 to 5 As shown: The application provides a data classification management device for educational management, Its structure includes: power control end 1, electronic storage main body 2, connection frame 3, heat dissipation end 4, paper storage structure 5, the power control end 1 and the electronic storage main body 2 are integrated structure and the connection frame 3 and the heat dissipation end 4 are carried on the side of the electronic storage main body 2 and are connected with the paper storage structure 5.

[0030] Among them, the paper storage structure 5 is provided with a pull block 51, one end of the pull block 51 is connected with a storage box 52, and the inside of the storage box 52 is opened with a storage groove 53, and the top is carried with a cover 54 and a ventilator 55, the classification structure 56 is vertically positioned through the storage groove 53 and communicated with the cover 54, and the plug-in block 57, the power supply rod 58 and the ventilation end 59 are also carried on the side of the storage box 52.

[0031] Among them, the classification structure 56 is also provided with a positioning block 561, the upper end of the positioning block 561 is connected with a supporting block 562, and the surface of the supporting block 562 is provided with a label groove 563, the upper end of the supporting block 562 is connected with a ventilation jacket 564, the inside of the ventilation jacket 564 is provided with a hollow groove 565 and the clamping block 566 is embedded.

[0032] Among them, the storage box 52 of the paper storage structure 5 is fixedly connected with the side of the electronic storage main body 2 through the plug-in block 57 and the power supply rod 58 and the ventilation end 59 is communicated with the heat dissipation end 4, at the same time, the classification structure 56 inside the storage box 52 receives the heat energy flow of the ventilation end 59, then the cover 54 at the upper end combines with the ventilator 55 to lead out the internal turbid and humid air.

[0033] Among them, the power control end 1 is provided with multiple electric connection grooves to electrically connect the electronic storage main body 2 with the related display screen and circuit, the electronic storage hard disk is carried in the inside of the electronic storage main body 2, the heat dissipation end 4 is covered by the connection frame 3 and the position of the paper storage structure 5 is determined.

[0034] Among them, the pull block 51 is set in horizontal orientation and fixedly connected with the side center of the storage box 52, the cover 54 on the top of the storage groove 53 inside the storage box 52 is carried with a ventilation pipe connected with the ventilator 55, the classification structure 56 is set in vertical orientation inside the storage groove 53 and the side is communicated with the ventilation end 59, the ventilation end 59 contains a dust screen, the power supply rod 58 is provided with a power supply circuit in the position of the inner wall of the storage box 52 and is electrically connected with the ventilator 55, the plug-in block 57 is set in horizontal orientation and matched with the connection frame 3.

[0035] Wherein, the positioning block 561 is perpendicular to the supporting block 562, the label slot 563 of the supporting block 562 is in recessed form, the ventilation jacket 564 is set in vertical orientation and the edge is in grid form, the air slot 565 contains two clamping blocks 566 and is set in symmetrical orientation.

[0036] Wherein, the storage box 52 is further provided with a recess 521 which is communicated with a vertical wall 522, the vertical wall 522 is in contact with the edge of a cover plate 523, the upper end of the cover plate 523 is connected with a control block 524 and penetrates the upper end of the storage box 52, the upper end of the storage box 52 is further connected with a restraining frame 525 to limit the edge of the cover plate 523.

[0037] Wherein, the recess 521 is in rectangular shape and both ends are communicated with the vertical wall 522, the vertical wall 522 is set in parallel orientation to limit both ends of the edge of the cover plate 523, the control block 524 at the upper end of the cover plate 523 is in solid form, and the restraining frame 525 is in rectangular shape to limit the edge of the cover plate 523.

[0038] Wherein, the edge of the cover plate 523 is further provided with a welding block 5231, one end of the welding block 5231 is connected with a parallel plate 5232 and the surface of the parallel plate 5232 is connected with a restraining block 5233.

[0039] Wherein, the welding block 5231 is perpendicular to the parallel plate 5232 and forms a cross shape in combination with the restraining block 5233 and the parallel plate 5232, the parallel plate 5232 is welded and connected with the edge of the cover plate 523 through the welding block 5231, and the parallel plate 5232 is embedded in the vertical wall 522 for vertical sliding through the restraining block 5233.

[0040] The specific functions and operation processes of the embodiment are as follows: In the present application, the education management data classification management device can be connected to the electronic control keyboard and display through the electronic storage main body 2 combined with the power control end 1, and then the education electronic data is systematically stored and classified through the storage hard disk inside the electronic storage main body 2. Then, the edge of the heat dissipation end 4 is covered by the adapter frame 3 on the side of the electronic storage main body 2, and the paper storage structure 5 is positioned and connected with the edge of the electronic storage main body 2, so that the wind blown by the heat dissipation end 4 can enter the inside of the storage groove 53 of the paper storage structure 5. The storage box 52 can be manually controlled by the pull block 51 to make the plug block 57 and the power rod 58 embedded in the inside of the adapter frame 3, so that the power rod 58 can be electrically connected with the electronic storage main body 2, and the ventilator 55 is started to work. Then, the ventilator 55 can combine the cover 54 to lead out the turbid and humid air inside the storage groove 53, complete the exhaust effect, and ensure the air cleanliness and dryness inside the storage groove 53. At the same time, the dust in the wind blown by the heat dissipation end 4 can be intercepted by the dustproof net of the ventilation end 59, so that the air entering the inside of the storage groove 53 will not carry dust. At the same time, the classification structure 56 can classify and store and manage various paper data, achieve the effect of easy to find and replace the original stacking mode, and the support block 562 of the classification structure 56 can be vertically inserted into the inside of the storage box 52 through the lower end positioning block 561, so that the ventilation jacket 564 of the support block 562 can be set in the vertical direction. Then, the ventilation jacket 564 can vertically store and clamp the paper data through the air slot 565 and the inner clamping block 566, so that the data can be stably placed at the origin. Then, the label slot 563 of the support block 562 can mark the category of the data, achieve the effect of easy to find. The recess 521 inside the storage box 52 can combine the vertical wall 522 to make the cover plate 523 slide up and down through the control block 524, so that the cover plate 523 can vertically descend and embed in the inside of the recess 521 when it penetrates the position of the restraint frame 525, complete the covering of the front end of the storage box 52, so that the communication state with the outside world can be completely cut off during storage management, improve the protection strength of the data. At the same time, the parallel plate 5232 at the edge of the cover plate 523 can be welded and connected through the welding block 5231, so that the restraint block 5233 can be embedded in the vertical wall 522, so that the vertical up and down sliding stability of the cover plate 523 can be improved, and the inclination jamming during control can be avoided, so that the use convenience and stability of the device can be further improved.

[0041] Example 2: Figures 6 to 7 As shown: The present application provides a kind of education management data classification management device, Its structure includes, the adapter frame 3 is provided with splicing groove 31, the splicing groove 31 is opened in the upper and lower center position of frame body 32, and the surface edge of frame body 32 is provided with power supply end 33 and is connected with suction frame 34, and the transverse groove 35 in the center of suction frame 34 also penetrates the center of frame body 32.

[0042] Wherein, the splicing groove 31 is square in shape and is set in symmetrical orientation in the upper and lower positions of frame body 32, the power supply end 33 of frame body 32 is circular in shape and is provided with four places matched with the number of power supply rods 58, the suction frame 34 is square in shape and is parallel to frame body 32, and the transverse groove 35 is hollow and communicates with heat dissipation end 4 and ventilation end 59.

[0043] Wherein, the power supply end 33 is also provided with locking sleeve 331, the upper end of locking sleeve 331 is connected with insulating disc 332 and the center is penetrated by vertical groove 333.

[0044] Wherein, the locking sleeve 331 and the insulating disc 332 are both rubber products and form a "T" shape, and the locking sleeve 331 is provided with external threads.

[0045] The specific functions and operation processes of the embodiment are as follows: In the application, the frame body 32 of the adapter frame 3 can be spliced with the plug-in block 57 of the storage box 52 through the upper and lower splicing grooves 31, achieving the effect of parallelism between the two, and then the surface of the storage box 52 is adsorbed by the suction frame 34, improving the firmness during connection, and the power supply rod 58 can be penetrated through the corner power supply end 33, improving the stability of the transverse insertion connection, and finally the air of the heat dissipation end 4 is linearly transmitted through the transverse groove 35, improving the accuracy of air transmission, and then the locking sleeve 331 and the insulating disc 332 arranged in the power supply end 33 can cover the vertical groove 333 by the rubber property, so that the power supply rod 58 can be covered by the rubber when penetrating the center of the vertical groove 333, thereby improving the safety factor during power supply and avoiding power leakage, and then the locking sleeve 331 can be spliced with the inner wall of the power supply end 33 by the external thread property, achieving the effect of easy disassembly.

[0046] The technical solutions of the application or the technical solutions of the application inspired by the skilled in the art can achieve the above technical effects, and are all within the protection scope of the application.

Claims

1. An educational management data classification management device, comprising: The utility control end (1), the electronic storage main body (2), the connection frame (3), the heat dissipation end (4), the paper storage structure (5), the utility control end (1) and the electronic storage main body (2) are integrated structures, and the connection frame (3) and the heat dissipation end (4) are loaded on the side of the electronic storage main body (2) and connected with the paper storage structure (5), characterized in that: The paper storage structure (5) is provided with a pull block (51), one end of the pull block (51) is connected with a storage box (52), the inside of the storage box (52) is provided with a storage groove (53), the top of the storage box (52) is loaded with a cover (54) and a ventilator (55), the classified structure (56) is vertically positioned through the storage groove (53) and communicated with the cover (54), and the side of the storage box (52) is also loaded with an insertion block (57), a power supply rod (58) and a ventilation end (59). The classified structure (56) is also provided with a positioning block (561), the upper end of the positioning block (561) is connected with a supporting block (562), the surface of the supporting block (562) is provided with a label groove (563), the upper end of the supporting block (562) is connected with a ventilation jacket (564), the inside of the ventilation jacket (564) is provided with an air slot (565) and a clamping block (566) is embedded. The storage box (52) of the paper storage structure (5) is fixedly connected with the side of the electronic storage main body (2) through the insertion block (57) and the power supply rod (58) by the connection frame (3), the ventilation end (59) is communicated with the heat dissipation end (4), and the classified structure (56) in the inside of the storage box (52) receives the heat energy flow of the ventilation end (59), then the cover (54) at the upper end combines the ventilator (55) to lead out the internal turbid and humid air.

2. The data classification management apparatus for educational administration according to claim 1, characterized by: The utility control end (1) is provided with multiple electric connection grooves, the electronic storage main body (2) is electrically connected with related display screens and lines, the inside of the electronic storage main body (2) is loaded with an electronic storage hard disk, the edge of the heat dissipation end (4) is covered by the connection frame (3), and the position of the paper storage structure (5) is determined.

3. The data classification management apparatus for educational management according to claim 1, characterized by: The pull block (51) is horizontally arranged and fixedly connected with the side center of the storage box (52), the cover (54) on the top of the storage groove (53) in the storage box (52) is loaded with a ventilation pipe connected with the ventilator (55), the classified structure (56) is vertically arranged in the inside of the storage groove (53) and communicated with the ventilation end (59) on the side, the ventilation end (59) contains a dust screen, the power supply rod (58) is provided with a power supply line electrically connected with the ventilator (55) at the position of the inner wall of the storage box (52), and the insertion block (57) is horizontally arranged and matched with the connection frame (3).

4. The data classification management apparatus for educational administration according to claim 1, characterized by: The positioning block (561) and the supporting block (562) are perpendicular to each other, the label groove (563) of the supporting block (562) is in a recessed form, the ventilation jacket (564) is vertically arranged and the edge is in a grid form, the air slot (565) contains two clamping blocks (566) and is symmetrically arranged.

5. The data classification management apparatus for educational management according to claim 1, characterized by: The storage box (52) is further provided with a recess (521) which communicates with a vertical wall (522), the vertical wall (522) is in contact with the edge of a cover plate (523), the upper end of the cover plate (523) is connected with a control block (524) and penetrates the upper end of the storage box (52), the upper end of the storage box (52) is further connected with a restraint frame (525) to limit the edge of the cover plate (523); The recess (521) is rectangular in shape and communicates with the vertical wall (522) at both ends, the vertical wall (522) is arranged in parallel to limit the edges of the cover plate (523), the control block (524) at the upper end of the cover plate (523) is solid, and the restraint frame (525) is rectangular to limit the edge of the cover plate (523).

6. The data classification management apparatus for educational administration according to claim 5, wherein: The edge of the cover plate (523) is further provided with a welding block (5231), one end of the welding block (5231) is connected with a parallel plate (5232), and the surface of the parallel plate (5232) is connected with a restraint block (5233); The welding block (5231) is perpendicular to the parallel plate (5232) and forms a "cross" shape with the restraint block (5233) and the parallel plate (5232), the parallel plate (5232) is welded and connected to the edge of the cover plate (523) through the welding block (5231), and the parallel plate (5232) is vertically slid into the vertical wall (522) through the restraint block (5233).

7. The data classification management apparatus for educational administration according to claim 1, characterized by: The connection frame (3) is provided with a splicing groove (31) which is opened at the upper and lower center positions of the frame body (32), the surface edge of the frame body (32) is provided with an electrified end (33) which is further connected with a suction frame (34), and the horizontal groove (35) at the center of the suction frame (34) further penetrates the center of the frame body (32); The splicing groove (31) is square in shape and is arranged in a symmetrical orientation at the upper and lower positions of the frame body (32), the electrified end (33) of the frame body (32) is circular in shape and is provided with four electrified rods (58) which are matched in number, the suction frame (34) is square in shape and is parallel to the frame body (32), and the horizontal groove (35) is hollow and communicates with the heat dissipation end (4) and the ventilation end (59).

8. The data classification management apparatus for educational administration according to claim 7, characterized by: The electrified end (33) is further provided with a locking sleeve (331), the upper end of the locking sleeve (331) is connected with an insulating disc (332) and the center position is penetrated by a vertical groove (333); The locking sleeve (331) and the insulating disc (332) are both rubber products and form a "T" shape, and the locking sleeve (331) is provided with external threads.