CN215076277U - Student's academic performance evaluation device based on cognitive diagnosis of simple operation - Google Patents
Student's academic performance evaluation device based on cognitive diagnosis of simple operation Download PDFInfo
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- CN215076277U CN215076277U CN202120670181.4U CN202120670181U CN215076277U CN 215076277 U CN215076277 U CN 215076277U CN 202120670181 U CN202120670181 U CN 202120670181U CN 215076277 U CN215076277 U CN 215076277U
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- 238000011156 evaluation Methods 0.000 title claims abstract description 35
- 230000001149 cognitive effect Effects 0.000 title claims abstract description 18
- 238000003745 diagnosis Methods 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 4
- 230000001755 vocal effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of teaching equipment, and discloses a student academic performance evaluation device based on cognitive diagnosis, which is convenient to operate and comprises a main body, a table, a display screen, a second table leg, a cross bar and a first table leg, wherein the table is arranged above the main body, a hole is arranged on the upper surface of the table, the display screen is arranged in the hole in a sliding way, the first table leg is fixedly connected to the front side of the lower surface of the table, the second table leg is fixedly connected to the rear side of the lower surface of the table, the cross bar is arranged in the main body, a lifting mechanism is arranged in the main body, a locking mechanism is arranged in front of the main body, the mechanism is convenient to operate, the using space on the table is saved, and the front end of the main body can be closed by arranging the locking mechanism when the academic performance evaluation is carried out, the student is avoided putting the data inside the main part and steals and sees when assessing, and the authenticity of the result is assessed to effectual assurance.
Description
Technical Field
The utility model relates to a teaching equipment technical field specifically is a simple operation's student's academic performance evaluation device based on cognitive diagnosis.
Background
The existing student academic performance evaluation based on cognitive diagnosis is generally paper test paper evaluation or test paper evaluation displayed by a display screen, and the test paper displayed by the display screen is more convenient for teachers to modify in batches.
Therefore, the technical personnel in the field provide a student academic performance evaluation device based on cognitive diagnosis, which is convenient and fast to operate, so as to solve the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple operation's student's academic performance evaluation device based on cognitive diagnosis to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a student's academic or vocational study performance evaluation device based on cognitive diagnosis of simple operation, includes main part, table, display screen, second table leg, horizontal pole and first table leg, install the top of main part the table, the upper surface of table is seted up porosely, downthehole slidable mounting has the display screen, the lower surface front side rigid coupling of table has first table leg, the lower surface rear side rigid coupling of table has the second table leg, the internally mounted of main part has the horizontal pole, the internally mounted of main part has elevating system, blocked mechanical system is installed in the place ahead of main part.
As a further aspect of the present invention: the number of the second table legs and the number of the first table legs are two, so that the whole equipment is more stable.
As a further aspect of the present invention: elevating system includes standing groove, rack, gear and servo motor, the inside rigid coupling of main part has the standing groove, the surface rigid coupling of display screen has the rack, just the front surface rigid coupling of rack has the horizontal pole, the lower surface rigid coupling of table has servo motor, servo motor's drive end is installed the gear makes things convenient for the lift of display screen, increases the area of placing on the table.
As a further aspect of the present invention: the right side of rack meshing is connected with the gear makes things convenient for the lift of display screen.
As a further aspect of the present invention: the locking mechanism comprises a sliding groove, a shielding plate, a square pushing block and a pushing block groove, the sliding groove is formed in the side face of the first table leg, the shielding plate is connected to the inside of the sliding groove in a sliding mode, the square pushing block is fixedly connected to the top end of the inner side of the shielding plate, and the pushing block groove is formed in the lower surface of the table board and facilitates shielding of the front end of the main body.
As a further aspect of the present invention: the quantity of spout is two, is convenient for fix the shielding plate, prevents that the shielding plate from droing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through setting up elevating system, this mechanism simple operation rises the display screen when the evaluation and carries out paperless evaluation, after the evaluation, packs up the display screen, has practiced thrift the usage space on the table.
2. Through setting up blocked mechanical system, when carrying out academic expression evaluation, can seal the front end of main part, avoid the student to put the data inside the main part and steal the seeing when evaluating, the authenticity of effectual assurance evaluation result.
Drawings
FIG. 1 is a schematic structural diagram of a student academic performance evaluation device based on cognitive diagnosis, which is convenient to operate;
FIG. 2 is a schematic structural diagram of a lifting mechanism in the cognitive diagnosis-based student academic performance evaluation device convenient and fast to operate;
fig. 3 is a schematic structural diagram of a locking mechanism in the cognitive diagnosis-based student performance evaluation device which is convenient to operate.
In the figure: 1. a main body; 2. a table plate; 3. a display screen; 4. a second table leg; 5. a cross bar; 6. a first table leg; 7. a lifting mechanism; 8. a locking mechanism; 9. a placement groove; 10. a rack; 11. a gear; 12. a servo motor; 13. a chute; 14. a shielding plate; 15. a square push block; 16. a push block groove.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, an easy-to-operate student academic performance evaluation device based on cognitive diagnosis includes a main body 1, a table 2, a display screen 3, a second table leg 4, a cross bar 5 and a first table leg 6, the table 2 is installed above the main body 1, a hole is formed in the upper surface of the table 2, the display screen 3 is slidably installed in the hole, the first table leg 6 is fixedly connected to the front side of the lower surface of the table 2, the second table leg 4 is fixedly connected to the rear side of the lower surface of the table 2, the number of the second table leg 4 and the first table leg 6 is two, the cross bar 5 is installed inside the main body 1, a lifting mechanism 7 is installed inside the main body 1, the lifting mechanism 7 includes a placement groove 9, a rack 10, a gear 11 and a servo motor 12, the placement groove 9 is fixedly connected inside the main body 1, the rack 10 is fixedly connected to the surface of the display screen 3, and the cross bar 5 is fixedly connected to the front surface of the rack 10, the lower surface of the table plate 2 is fixedly connected with a servo motor 12, a gear 11 is arranged at the driving end of the servo motor 12, the right side of the rack 10 is meshed and connected with the gear 11, when the academic performance of students is evaluated, the students can put review data into the main body 1 firstly, no article is put above the cross rod 5, then the servo motor 12 is started, the gear 11 rotates, the rack 10 meshed and connected with the gear 11 moves upwards, the display screen 3 is pushed out from the lower direction of the table plate 2, the test questions to be evaluated are displayed through the display screen 3, the students are evaluated and answered, because the paperless answer is adopted, the waste of paper is effectively avoided, the answer is answered by using the display screen 3, the review by an evaluation teacher is facilitated, after the evaluation, the servo motor 12 is rotated reversely, the rack 10 moves downwards, and the display screen 3 moves downwards, the display 3 is retracted again below the table 2.
In FIGS. 1 to 3: the locking mechanism 8 is installed in front of the main body 1, the locking mechanism 8 comprises a sliding groove 13, a shielding plate 14, a square push block 15 and a push block groove 16, the sliding groove 13 is formed in the side surface of the first table leg 6, the shielding plate 14 is connected to the inside of the sliding groove 13 in a sliding manner, the square push block 15 is fixedly connected to the top end of the inner side of the shielding plate 14, the push block groove 16 is formed in the lower surface of the table plate 2, the number of the sliding grooves 13 is two, after the servo motor 12 is started, the cross rod 5 in front of the rack 10 moves upwards due to the fact that the rack 10 moves upwards, the square push block 15 moves upwards due to the fact that the foremost end of the cross rod 5 abuts against the lower surface of the square push block 15, the square push block 15 moves upwards, the shielding plate 14 is pulled to ascend, the shielding plate 14 slides upwards in the sliding groove 13, when the display screen 3 reaches the highest position, the square push block 15 is clamped in the push block groove 16, and the front side of the main body 1 is completely sealed, avoid the evaluation student to look over the inside data of depositing of main part 1 effectively, the accuracy of effectual assurance evaluation result, after the evaluation finishes, counter-rotating servo motor 12 makes rack 10 downstream, and horizontal pole 5 follows rack 10 downstream, and shielding plate 14 and square ejector pad 15 follow downstream under the effect of gravity this moment, after display screen 3 resets completely, and shielding plate 14's lower surface will support and lean on the bottom surface that leans on at spout 13.
The utility model discloses a theory of operation is: when the academic performance of students is evaluated, the students can put review data into the main body 1, no article is put above the cross bar 5, then the servo motor 12 is started, the gear 11 rotates, the rack 10 meshed and connected with the gear 11 moves upwards, the display screen 3 is pushed out from the lower part of the table board 2, the test questions to be evaluated are displayed through the display screen 3, the students are evaluated and answered, paper waste is effectively avoided due to paperless answering, the evaluation teacher can read and review more conveniently by using the display screen 3, after the servo motor 12 is started, the cross bar 5 on the front side of the rack 10 moves upwards due to the fact that the rack 10 moves upwards, the square push block 15 also moves upwards due to the fact that the foremost end of the cross bar 5 abuts against the lower surface of the square push block 15, the shielding plate 14 is pulled to move upwards by sliding in the sliding groove 13, when display screen 3 reaches the highest position, square ejector pad 15 is blocked inside ejector pad groove 16 this moment, the front side of main part 1 is sealed completely this moment, avoid the evaluation student to look over the inside data of depositing of main part 1 effectively, the accuracy of effectual assurance evaluation result, after the evaluation finishes, reverse rotation servo motor 12, make rack 10 remove downwards, then display screen 3 removes downwards, display screen 3 is taken in the below of table 2 again, when rack 10 moves down, horizontal pole 5 follows the downstream, baffle plate 14 and square ejector pad 15 follow the downstream under the effect of gravity this moment, after display screen 3 resets completely, baffle plate 14's lower surface will support and lean on the bottom surface of spout 13.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a student's academic or vocational study performance evaluation device based on cognitive diagnosis of simple operation, includes main part (1), table (2), display screen (3), second table leg (4), horizontal pole (5) and first table leg (6), its characterized in that, install the top of main part (1) table (2), the upper surface of table (2) is seted up porosely, downthehole slidable mounting has display screen (3), the lower surface front side rigid coupling of table (2) has first table leg (6), the lower surface rear side rigid coupling of table (2) has second table leg (4), the internally mounted of main part (1) has horizontal pole (5), the internally mounted of main part (1) has elevating system (7), blocked mechanical system (8) are installed in the place ahead of main part (1).
2. The cognitive diagnosis-based student academic performance evaluation device convenient to operate according to claim 1, wherein the number of the second legs (4) and the number of the first legs (6) are two.
3. The student academic performance evaluation device based on cognitive diagnosis, which is convenient and fast to operate, according to claim 1, is characterized in that the lifting mechanism (7) comprises a placing groove (9), a rack (10), a gear (11) and a servo motor (12), the placing groove (9) is fixedly connected to the inner portion of the main body (1), the rack (10) is fixedly connected to the surface of the display screen (3), the cross rod (5) is fixedly connected to the front surface of the rack (10), the servo motor (12) is fixedly connected to the lower surface of the table plate (2), and the gear (11) is installed at the driving end of the servo motor (12).
4. The cognitive diagnosis-based student academic performance evaluation device convenient to operate according to claim 3, wherein the gear (11) is meshed and connected to the right side of the rack (10).
5. The student academic performance evaluation device based on cognitive diagnosis and convenient to operate according to claim 1, wherein the locking mechanism (8) comprises a sliding groove (13), a shielding plate (14), a square pushing block (15) and a pushing block groove (16), the sliding groove (13) is formed in the side face of the first table leg (6), the shielding plate (14) is connected to the inside of the sliding groove (13) in a sliding mode, the square pushing block (15) is fixedly connected to the top end of the inner side of the shielding plate (14), and the pushing block groove (16) is formed in the lower surface of the table top (2).
6. The cognitive diagnosis-based student academic performance evaluation device convenient to operate according to claim 5, wherein the number of the sliding grooves (13) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120670181.4U CN215076277U (en) | 2021-04-01 | 2021-04-01 | Student's academic performance evaluation device based on cognitive diagnosis of simple operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120670181.4U CN215076277U (en) | 2021-04-01 | 2021-04-01 | Student's academic performance evaluation device based on cognitive diagnosis of simple operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215076277U true CN215076277U (en) | 2021-12-10 |
Family
ID=79346719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120670181.4U Expired - Fee Related CN215076277U (en) | 2021-04-01 | 2021-04-01 | Student's academic performance evaluation device based on cognitive diagnosis of simple operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215076277U (en) |
-
2021
- 2021-04-01 CN CN202120670181.4U patent/CN215076277U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |