CN113925290A - College student management data classification management device - Google Patents
College student management data classification management device Download PDFInfo
- Publication number
- CN113925290A CN113925290A CN202111186477.XA CN202111186477A CN113925290A CN 113925290 A CN113925290 A CN 113925290A CN 202111186477 A CN202111186477 A CN 202111186477A CN 113925290 A CN113925290 A CN 113925290A
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- China
- Prior art keywords
- fixed
- fixedly connected
- block
- data
- management device
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B63/00—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B95/00—Fittings for furniture
- A47B95/02—Handles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
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- Electrically Operated Instructional Devices (AREA)
Abstract
The invention relates to the technical field of data management, in particular to a college student management data classification management device which comprises a fixed bottom block, wherein the middle part of the top end of the fixed bottom block is fixedly connected with a fixed shifting mechanism, a data box can be supported through a fixed connecting supporting plate, data can be conveniently placed in the data box, the data box is placed on the top of the fixed connecting supporting plate after meals for classification storage, when the data box is taken, a first servo motor is started to drive a first threaded rod to rotate, a movable mounting plate can be driven to move, an electric telescopic rod and a connecting pull block are driven to move, the connecting pull block can be clamped on the inner side of a connecting fixed clamping block, the data box is pushed to the top of a driven connecting supporting plate through the electric telescopic rod, the driven connecting supporting plate can be moved downwards through a connecting and conveying mechanism, thereby enabling access to the material.
Description
Technical Field
The invention relates to the technical field of data management, in particular to a college student management data classification management device.
Background
The data management of students in schools is usually placed in a data cabinet for storage, and the data are classified and stored through placing compartments at different positions, so that the classified storage management of the data is achieved.
The data cabinet is depositing the in-process to the student's data, because student's quantity is more, and the data that lead to required depositing is more, when taking to the data, because the position that the data was placed is higher, and operating personnel ascends a height and seeks inconveniently, has danger simultaneously.
Disclosure of Invention
The invention aims to provide a college student management data classification management device, which solves the problems that in the background technology, when a data cabinet is provided to store student data, the number of students is large, so that more data need to be stored, and when the data cabinet is used for taking the data, operators are inconvenient to ascend and search due to the fact that the data storage position is high, and meanwhile danger exists.
In order to achieve the purpose, the invention provides the following technical scheme: a college student management data classification management device comprises a fixed bottom block;
the top middle part fixedly connected with of fixed bottom block fixes the aversion mechanism, fixed standing groove has been seted up on fixed aversion mechanism's surface, the inboard fixedly connected with fixed connection layer board of fixed standing groove, the top one end fixedly connected with of fixed bottom block connects conveying mechanism, the top swing joint of fixed connection layer board has the data case.
Preferably, the inside fixedly connected with fixed guide bar of data case, the activity stripper plate has been cup jointed in the surperficial outside activity of fixed guide bar, one side fixedly connected with activity of activity stripper plate is resisted the spring, the top fixedly connected with of activity stripper plate connects the handle.
Preferably, the first servo motor of inside fixedly connected with of fixed bottom block, first servo motor's output end fixedly connected with first threaded rod, the movable mounting panel has been cup jointed in the activity of the surperficial outside of first threaded rod, the first fixed locating piece of top fixedly connected with of movable mounting panel, the fixed surface of first fixed locating piece is connected with electric telescopic handle, electric telescopic handle's one end fixedly connected with connects and draws the piece, the fixed fixture block is connected to the fixed surface of data case.
Preferably, the outer side of the surface of the electric telescopic rod is fixedly sleeved with a fixed positioning supporting block, and the bottom end of the fixed positioning supporting block is fixedly connected with the top of the movable mounting plate.
Preferably, the inside of the fixed bottom block is fixedly connected with a second servo motor, the output end of the second servo motor is fixedly connected with a second threaded rod, a movable moving block is movably sleeved on the outer side of the surface of the second threaded rod, one end of the movable moving block is fixedly connected with a driven connection supporting plate, and the surface of the driven connection supporting plate is fixedly connected with a connection limiting block.
Preferably, the inner side of the fixed placing groove is provided with a fixed limiting groove, and the surface of the data box is fixedly connected with a connecting limiting insertion block.
Preferably, the inner side of the fixed placing groove is provided with a fixed through groove, and the inner side of the fixed through groove is mutually attached to the surface of the fixed clamping block.
Preferably, the inner side surface of the connecting and fixing clamping block is attached to the outer side surface of the connecting and pulling block, and the cross section of the connecting and fixing clamping block is in an L shape.
Preferably, a fixed guide groove is formed in the fixed shifting mechanism, the inner side surface of the fixed guide groove is attached to the surface of the connecting pull block, a fixed limit groove is formed in the fixed shifting mechanism, and the inner side surface of the fixed limit groove is attached to the outer side of the surface of the movable mounting plate.
Preferably, the fixed displacement mechanism and the top end of the inner side of the connecting and conveying mechanism are fixedly connected with a second fixed positioning block, the top ends of the first threaded rod and the second threaded rod are fixedly connected with a movable positioning block, the outer side of the surface of the movable positioning block is in sliding connection with the surface of the inner side of the second fixed positioning block, and the section of the movable positioning block is in a T shape.
Compared with the prior art, the invention has the beneficial effects that:
1. the data box can be supported through the fixed connection supporting plate, data can be conveniently placed inside the data box, the data can be placed at the top of the fixed connection supporting plate after meals for classified storage, when the data box is taken, the first servo motor is started to drive the first threaded rod to rotate, so that the movable mounting plate can be driven to move, the electric telescopic rod and the connection pulling block are driven to move, the connection pulling block can be clamped at the inner side of the connection fixing clamping block, the data box is pushed to the top of the driven connection supporting plate through the electric telescopic rod, the driven connection supporting plate can be moved downwards through the connection conveying mechanism, and therefore materials can be taken;
2. through the fixed guide rod, the movable extrusion plate, the movable resisting spring and the connecting handle, the connecting handle is convenient to pull to drive the movable extrusion plate to move on the outer side of the surface of the fixed guide rod, so that the movable resisting spring can be compressed through the movable extrusion plate, when data is placed on the inner side of the data box, the connecting handle is loosened, the movable extrusion plate can be pushed under the action of the movable resisting spring to clamp the data, and the data is prevented from scattering;
3. through second servo motor, the second threaded rod, the movable moving block and connect the stopper, the second servo motor of being convenient for can drive the second threaded rod and rotate, when the data case is located the top of driven connection layer board, can make the movable moving block move in the surface outside of second threaded rod through the rotation of second threaded rod, drive driven connection layer board and connect the stopper and remove, thereby can carry the data case, be convenient for take the data that are located the data incasement portion of eminence.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a movable mounting plate according to the present invention;
FIG. 3 is a schematic view of the L-shaped securing block of the present invention;
FIG. 4 is a schematic view of the structure of the fixed guide bar of the present invention;
FIG. 5 is a schematic view of a fixing and limiting groove structure according to the present invention;
FIG. 6 is an enlarged view of the position A in FIG. 5 according to the present invention
FIG. 7 is a schematic view of the bottom structure of the fixed connection frame of the present invention
FIG. 8 is a schematic view of a movable positioning block according to the present invention.
In the figure: 1. fixing the bottom block; 2. a fixed displacement mechanism; 3. fixing the placing groove; 4. fixedly connecting the supporting plate; 5. connecting a conveying mechanism; 6. a data box; 7. fixing the guide rod; 8. a movable extrusion plate; 9. a movable resisting spring; 10. a connecting handle; 11. a movable mounting plate; 12. a first servo motor; 13. a first threaded rod; 14. a first fixed positioning block; 15. an electric telescopic rod; 16. fixing a positioning support block; 17. connecting a fixed clamping block; 18. a second servo motor; 19. a second threaded rod; 20. a movable moving block; 21. the driven connecting supporting plate; 22. a limiting block is connected; 23. fixing a limiting groove; 24. fixing the through groove; 25. fixing the guide groove; 26. connecting a pulling block; 27. fixing a limit groove; 28. connecting a limiting insert block; 29. a second fixed positioning block; 30. a movable positioning block.
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 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.
Examples
Referring to fig. 1-8, there are shown: the embodiment is a preferred implementation manner in the technical scheme, and a college student management data classification management device comprises a fixed bottom block 1;
the middle part of the top end of the fixed bottom block 1 is fixedly connected with a fixed shifting mechanism 2, the surface of the fixed shifting mechanism 2 is provided with a fixed placing groove 3, the inner side of the fixed placing groove 3 is fixedly connected with a fixed connecting supporting plate 4, one end of the top part of the fixed bottom block 1 is fixedly connected with a connecting conveying mechanism 5, and the top part of the fixed connecting supporting plate 4 is movably connected with a data box 6;
as shown in fig. 4, a fixed guide rod 7 is fixedly connected inside the data box 6, a movable extrusion plate 8 is movably sleeved on the outer side of the surface of the fixed guide rod 7, a movable resisting spring 9 is fixedly connected to one side of the movable extrusion plate 8, a connecting handle 10 is fixedly connected to the top of the movable extrusion plate 8, so that the movable connecting handle 10 can drive the movable extrusion plate 8 to move on the surface of the fixed guide rod 7, meanwhile, the movable resisting spring 9 can be extruded, data can be conveniently placed inside the data box 6, the connecting handle 10 is loosened, the movable extrusion plate 8 can be pushed to move on the outer side of the surface of the fixed guide rod 7 under the action of the movable resisting spring 9, and therefore, the data can be clamped and fixed, the data can be conveniently prevented from falling in the process of classified storage of the data, and the use is convenient;
as shown in fig. 2, 3 and 7, a first servo motor 12 is fixedly connected inside the fixed bottom block 1, a first threaded rod 13 is fixedly connected to an output end of the first servo motor 12, a movable mounting plate 11 is movably sleeved on the outer side of the surface of the first threaded rod 13, a first fixed positioning block 14 is fixedly connected to the top of the movable mounting plate 11, an electric telescopic rod 15 is fixedly connected to the surface of the first fixed positioning block 14, a connecting pull block 26 is fixedly connected to one end of the electric telescopic rod 15, a connecting fixing block 17 is fixedly connected to the surface of the data box 6, so that the first servo motor 12 can drive the first threaded rod 13 to rotate, the movable mounting plate 11 can move upwards on the outer side of the surface of the first threaded rod 13, the first fixed positioning block 14, the electric telescopic rod 15 and the connecting pull block 26 can move upwards, and the connecting pull block 26 can be clamped into the inner side of the connecting fixing block 17, the data box 6 can be jacked through the action of the electric telescopic rod 15, so that the data box 6 can be moved to the top of the driven connecting supporting plate 21, the driven connecting supporting plate 21 can be driven to move through the action of the connecting and conveying mechanism 5, the data box 6 can be moved, and data in the high-position data box 6 can be moved, and the use is convenient;
as shown in fig. 2, a fixed positioning support block 16 is fixedly sleeved on the outer side of the surface of the electric telescopic rod 15, and the bottom end of the fixed positioning support block 16 is fixedly connected with the top of the movable mounting plate 11, so that one end of the electric telescopic rod 15 can be supported through the fixed positioning support block 16, the one end of the electric telescopic rod 15 is prevented from being inclined, and the electric telescopic rod is convenient to use;
as shown in fig. 2, a second servo motor 18 is fixedly connected inside the fixed bottom block 1, a second threaded rod 19 is fixedly connected to an output end of the second servo motor 18, a movable moving block 20 is movably sleeved on the outer side of the surface of the second threaded rod 19, a driven connecting supporting plate 21 is fixedly connected to one end of the movable moving block 20, a connecting limiting block 22 is fixedly connected to the surface of the driven connecting supporting plate 21, so that when the data box 6 is positioned on the top of the driven connecting supporting plate 21, the second threaded rod 19 can be driven by the second servo motor 18 to rotate, the movable moving block 20 can be driven to move downwards on the outer side of the surface of the second threaded rod 19, the driven connecting supporting plate 21 and the connecting limiting block 22 can be driven to move downwards, the data box 6 can be conveyed, meanwhile, the position of the data box 6 can be limited by the connecting limiting block 22, and the data box 6 can be conveyed downwards, the data in the data box 6 can be checked, and the use is convenient;
as shown in fig. 2, 3, 4 and 5, the inner side of the fixing placement groove 3 is provided with a fixing limit groove 23, the surface of the data box 6 is fixedly connected with a connecting limit insertion block 28, so that the connecting limit insertion block 28 can be clamped at the inner side of the fixing limit groove 23, the position of the data box 6 can be limited, and the use is convenient;
as shown in fig. 5 and 6, a fixing through groove 24 is formed on the inner side of the fixing placement groove 3, the inner side of the fixing through groove 24 is attached to the surface of the connecting and fixing fixture block 17, so that when the data box 6 is placed on the top of the fixing and connecting supporting plate 4, the connecting and limiting insertion block 28 can be clamped into the inner side of the fixing and limiting groove 23 and can drive the connecting and fixing fixture block 17 to move towards the inner side of the fixing through groove 24, and the use is convenient;
as shown in fig. 7, the inner side surface of the connecting and fixing clamping block 17 and the outer side surface of the connecting and pulling block 26 are mutually attached, the cross section of the connecting and fixing clamping block 17 is L-shaped, when the connecting and pulling block 26 is located at the inner side of the connecting and fixing clamping block 17, the connecting and pulling block 26 can be driven to move by the contraction of the electric telescopic rod 15, so that the connecting and fixing clamping block 17 can be pulled, and the data box 6 can be moved from the top of the driven connecting supporting plate 21 to the top of the fixed connecting supporting plate 4, which is convenient to use;
as shown in fig. 7, a fixed guide groove 25 is formed inside the fixed displacement mechanism 2, the inner side surface of the fixed guide groove 25 and the surface of the connecting pull block 26 are attached to each other, a fixed limit groove 27 is formed inside the fixed displacement mechanism 2, the inner side surface of the fixed limit groove 27 and the outer side of the surface of the movable mounting plate 11 are attached to each other, so that the electric telescopic rod 15 can drive the connecting pull block 26 to move inside the fixed guide groove 25, the connecting pull block 26 can be clamped into the inner side of the connecting fixed clamp block 17, and the use is convenient;
as shown in fig. 2 and 8, the top ends of the inner sides of the fixed displacement mechanism 2 and the connecting and conveying mechanism 5 are fixedly connected with a second fixed positioning block 29, the top ends of the first threaded rod 13 and the second threaded rod 19 are fixedly connected with a movable positioning block 30, the outer side of the surface of the movable positioning block 30 is mutually connected with the surface of the inner side of the second fixed positioning block 29 in a sliding manner, and the cross section of the movable positioning block 30 is in a T shape, so that the first threaded rod 13 and the second threaded rod 19 can drive the movable positioning block 30 to rotate on the inner side of the second fixed positioning block 29 when rotating, and the second fixed positioning block 29 can position the top parts of the first threaded rod 13 and the second threaded rod 19, and is convenient to use;
in this embodiment, in the use, can drive first threaded rod 13 through first servo motor 12 and rotate, make movable mounting plate 11 can remove in the surface outside of first threaded rod 13, drive first fixed positioning piece 14 simultaneously, electric telescopic handle 15 and connection draw piece 26 to remove, make connection draw piece 26 can block into the inboard of connecting fixed fixture block 17, extend to the outside through electric telescopic handle 15, promote data case 6, make data case 6 can move the top of driven connection layer board 21, when data case 6 removes, connect the inboard that spacing inserted block 28 can block into connection stopper 22, can restrict connecting spacing inserted block 28 through connecting stopper 22. Drive second threaded rod 19 through second servo motor 18 and rotate, make activity movable block 20 can move downwards in the surperficial outside of second threaded rod 19, drive driven connection layer board 21 and connect stopper 22 and move downwards, thereby can drive data box 6 and move downwards, after data box 6 moves downwards, will connect handle 10 to spur, drive activity stripper plate 8 and move in the surperficial outside of fixed guide bar 7, and can resist spring 9 to the activity and cause the extrusion, make activity stripper plate 8 no longer press from both sides tightly the data, thereby can look over the data, prevent that operating personnel from ascending a height the operation and taking place accident, high durability and convenient use.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A college student management data classification management device comprises a fixed bottom block (1);
the method is characterized in that:
the top middle part fixedly connected with of solid fixed bottom piece (1) fixes shift mechanism (2), fixed standing groove (3) have been seted up on the surface of fixed shift mechanism (2), inboard fixedly connected with fixed connection layer board (4) of fixed standing groove (3), top one end fixedly connected with of solid fixed bottom piece (1) connects conveying mechanism (5), the top swing joint of fixed connection layer board (4) has data case (6).
2. The college student management data classification management device according to claim 1, wherein: the inside fixedly connected with fixed guide bar (7) of data case (6), movable stripper plate (8) have been cup jointed in the surface outside activity of fixed guide bar (7), spring (9) are resisted in one side fixedly connected with activity of activity stripper plate (8), the top fixedly connected with of activity stripper plate (8) connects handle (10).
3. The college student management data classification management device according to claim 1, wherein: the utility model discloses a data box, including the fixed bottom piece (1), the first servo motor of inside fixedly connected with (12) of fixed bottom piece (1), the first threaded rod of output fixedly connected with (13) of first servo motor (12), movable mounting board (11) have been cup jointed in the activity of the surperficial outside of first threaded rod (13), the first fixedly connected with of top fixedly connected with (14) of movable mounting board (11), the fixed surface of first fixedly connected with electric telescopic handle (15) of first fixedly connected with (14), the one end fixedly connected with of electric telescopic handle (15) is connected and is drawn piece (26), the fixed surface of data case (6) is connected and is fixed fixture block (17).
4. The college student management data classification management device according to claim 3, wherein: the outer side of the surface of the electric telescopic rod (15) is fixedly sleeved with a fixed positioning supporting block (16), and the bottom end of the fixed positioning supporting block (16) is fixedly connected with the top of the movable mounting plate (11).
5. The college student management data classification management device according to claim 1, wherein: the inner part of the fixed bottom block (1) is fixedly connected with a second servo motor (18), the output end of the second servo motor (18) is fixedly connected with a second threaded rod (19), a movable moving block (20) is movably sleeved on the outer side of the surface of the second threaded rod (19), one end of the movable moving block (20) is fixedly connected with a driven connecting supporting plate (21), and the surface of the driven connecting supporting plate (21) is fixedly connected with a connecting limiting block (22).
6. The college student management data classification management device according to claim 1, wherein: fixed spacing recess (23) have been seted up to the inboard of fixed standing groove (3), the surperficial fixed connection of data case (6) is connected spacing inserted block (28).
7. The college student management data classification management device according to claim 1, wherein: fixed through groove (24) have been seted up to the inboard of fixed standing groove (3), the inboard of fixed through groove (24) is laminated each other with the surface of connecting fixed fixture block (17).
8. The college student management data classification management device according to claim 3, wherein: the inner side surface of the connecting and fixing clamping block (17) is attached to the outer side surface of the connecting and pulling block (26), and the section of the connecting and fixing clamping block (17) is L-shaped.
9. The college student management data classification management device according to claim 1, wherein: fixed guide way (25) have been seted up to the inside of fixed shifter (2), the inboard surface of fixed guide way (25) is laminated with the surface of connecting and drawing piece (26) each other, fixed spacing groove (27) have been seted up to the inside of fixed shifter (2), the inboard surface of fixed spacing groove (27) is laminated with the surface outside of movable mounting panel (11) each other.
10. The college student management data classification management device according to claim 1, wherein: the fixed shifting mechanism (2) and the inner side top end of the connecting and conveying mechanism (5) are fixedly connected with a second fixed positioning block (29), the top ends of the first threaded rod (13) and the second threaded rod (19) are fixedly connected with a movable positioning block (30), the outer side of the surface of the movable positioning block (30) is in sliding connection with the inner side surface of the second fixed positioning block (29), and the cross section of the movable positioning block (30) is in a T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186477.XA CN113925290A (en) | 2021-10-12 | 2021-10-12 | College student management data classification management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186477.XA CN113925290A (en) | 2021-10-12 | 2021-10-12 | College student management data classification management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113925290A true CN113925290A (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111186477.XA Withdrawn CN113925290A (en) | 2021-10-12 | 2021-10-12 | College student management data classification management device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113925290A (en) |
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| DE10101845C1 (en) * | 2001-01-17 | 2001-10-25 | Wilhelm Schaefer | Cupboard lift, for tall cupboard, has lift casings integrated in support construction, upper parts with side rails supported on support wheels and roller brackets and having toothed rack profile |
| CN110584346A (en) * | 2019-10-09 | 2019-12-20 | 郑州大学 | Over-and-under type filing cabinet convenient to file of taking |
| CN110897370A (en) * | 2019-11-19 | 2020-03-24 | 华北水利水电大学 | Intelligent management device and management method for papery archives |
| CN210249043U (en) * | 2019-03-23 | 2020-04-07 | 山东省水利勘测设计院 | Novel filing cabinet of convenient access |
| CN111466726A (en) * | 2020-04-20 | 2020-07-31 | 吴楠馨 | Archives classification management device that automatic according to time sequence filed |
| CN113017308A (en) * | 2021-04-09 | 2021-06-25 | 上海柔妹子信息科技有限公司 | A district express delivery cabinet for intelligent parcel access |
| CN214340996U (en) * | 2020-12-16 | 2021-10-08 | 周向玉 | Economic management file data storage device |
-
2021
- 2021-10-12 CN CN202111186477.XA patent/CN113925290A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10101845C1 (en) * | 2001-01-17 | 2001-10-25 | Wilhelm Schaefer | Cupboard lift, for tall cupboard, has lift casings integrated in support construction, upper parts with side rails supported on support wheels and roller brackets and having toothed rack profile |
| CN210249043U (en) * | 2019-03-23 | 2020-04-07 | 山东省水利勘测设计院 | Novel filing cabinet of convenient access |
| CN110584346A (en) * | 2019-10-09 | 2019-12-20 | 郑州大学 | Over-and-under type filing cabinet convenient to file of taking |
| CN110897370A (en) * | 2019-11-19 | 2020-03-24 | 华北水利水电大学 | Intelligent management device and management method for papery archives |
| CN111466726A (en) * | 2020-04-20 | 2020-07-31 | 吴楠馨 | Archives classification management device that automatic according to time sequence filed |
| CN214340996U (en) * | 2020-12-16 | 2021-10-08 | 周向玉 | Economic management file data storage device |
| CN113017308A (en) * | 2021-04-09 | 2021-06-25 | 上海柔妹子信息科技有限公司 | A district express delivery cabinet for intelligent parcel access |
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Application publication date: 20220114 |
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