CN111012055A

CN111012055A - Desk special for examination

Info

Publication number: CN111012055A
Application number: CN201811170624.2A
Authority: CN
Inventors: 舒柯萌
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-09
Filing date: 2018-10-09
Publication date: 2020-04-17

Abstract

The invention discloses a desk special for examinations, which comprises a desk body, wherein a movable cover plate is arranged at the top of the desk body, a locking column is arranged on the movable cover plate, the locking column is provided with a locking hole, a locking part is arranged on a front side plate of the desk body, the locking part is provided with an insertion hole, when the movable cover plate is covered on the desk body, the locking column is inserted into the insertion hole, two spring bins are respectively arranged at two sides of the insertion hole in the locking part, the two spring bins are arranged up and down and respectively correspond to the positions of the locking hole, a movable lock pin is arranged in each spring bin, the movable lock pin can protrude out of the spring bins and is inserted into the locking hole, a baffle is arranged at the tail end of the movable lock pin, the baffle prevents the movable lock pin from being separated from the spring bins, a spring; the bottom of the jack is provided with a pressure-bearing spring, the upper end of the spring is provided with a mounting plate, and the mounting plate is provided with a switch. The invention can avoid students cheating during examinations.

Description

Desk special for examination

Technical Field

The invention relates to the technical field of teaching equipment, in particular to a desk special for examinations.

Background

The desks used for students begin from the eight-side desk in the earliest school hall, and the desks used for schools and the learning of the school hall are unified into the desk.

In the school of students, everyone uses it, generally speaking, the desk is simple and includes the desktop, the drawer and the table leg, plays a role of placing the schoolbag and the desk, however, in the examination, because the drawer below the desk is a spacious area, the examinee is easy to cheat, especially in some smaller classrooms, the desk is arranged relatively close, and the book in the drawer is easy to steal.

The desk is a necessary study article for students to attend classes and can be used during examinations, but students can cheat in the examinations by stealing examination papers of other people or stealing data, and the existing desk cannot effectively prevent the cheating behaviors. The desk commonly used in multiple mathematics schools mainly comprises a desktop and desk legs for supporting the desk, and the desk is an indispensable learning tool for students in the learning process. However, with the aggravation of the task of learning and examination, schools find that in daily examinations and examinations, some students often turn over books or cheat notebooks from desks, and the adverse phenomenon affects the learning quality and attitude of the students to a certain extent. The existing anti-cheating desk is complex in structure, not easy to popularize and high in use cost and reconstruction cost.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the desk special for the examination, which has the characteristics of simple structure and convenience for production, can avoid students cheating in the examination, and can solve the problem that the students steal and see unrelated books in class.

In order to solve the technical problem, the invention is solved by the following technical scheme: a desk special for examinations comprises a desk body and desk legs arranged below the desk body, wherein a fixed cover plate and a movable cover plate are arranged at the top of the desk body, the movable cover plate is rotationally connected with a fixed cover plate, the movable cover plate is provided with a locking column, the locking column is provided with two locking holes which are vertically arranged, a front side plate of the desk body is provided with a locking part, the locking part and the locking column are both positioned inside the desk body, the locking part is provided with a jack, when the movable cover plate is covered on the desk body, the locking column is inserted into the jack, two spring bins are respectively arranged at two sides of the jack in the locking part, the two spring bins are vertically arranged and respectively correspond to the positions of the locking holes, a movable lock pin is arranged in each spring bin, the movable lock pin can protrude out of the spring bins and can be inserted into the locking holes, a baffle is arranged at the tail end of the movable lock pin, the baffle prevents the movable lock pin from being separated from the spring bin, a spring is arranged between the baffle and the bottom of the spring bin, and the spring is used for ejecting the end part of the movable lock pin out of the spring bin; a pressure-bearing spring is arranged at the bottom of the jack, an installation plate is arranged at the upper end of the spring, and a switch is arranged on the installation plate; the left front side of the table body is provided with an article holding groove penetrating into a table leg below, a lifting upright rod is movably arranged in the article holding groove, the top of the upright rod is provided with an installation groove, a camera is arranged in the installation groove, concave glass is arranged at the opening of the installation groove, and the concave glass helps light rays to be gathered to the camera; the table is characterized in that a rack plate is arranged on the side wall of the upright rod, a gear meshed with the rack plate is arranged in the table body, and the gear is driven by a motor to work.

In the above technical solution, preferably, a display panel is disposed on a front side panel of the table body.

In the above technical solution, preferably, the locking column is provided with a hemispherical end, the end of the movable lock pin is provided with an arc surface, and the arc surface cooperates with the hemispherical end to work, so that the movable lock pin can be pushed to move towards both sides when the locking column moves towards the bottom of the insertion hole.

The technical scheme of the desk special for the examination provided by the invention has the characteristics of simple structure and convenience in production, can avoid students cheating in the examination, and can solve the problem that the students steal and see irrelevant books in class.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the locking portion of the present invention.

Fig. 3 is a schematic view of the movable lock pin structure of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: as shown in fig. 1 to 3, a desk special for examinations comprises a desk body 2 and desk legs 1 arranged below the desk body 2, wherein a fixed cover plate 21 and a movable cover plate 3 are arranged at the top of the desk body 2, the movable cover plate 3 is rotatably connected with the fixed cover plate 21, the movable cover plate 3 is provided with a locking column 5, the locking column 5 is provided with two locking holes 51 arranged up and down, a front side plate of the desk body 2 is provided with a locking part 4, the locking part 4 and the locking column 5 are both positioned inside the desk body 2, the locking part 4 is provided with a jack 40, when the movable cover plate 3 is covered on the desk body 2, the locking column 5 is inserted into the jack 40, two spring bins 41 are respectively arranged at two sides of the jack 40 in the locking part 4, the two spring bins 41 are arranged up and down and respectively correspond to the positions of the locking holes 51, a movable lock pin 6 is arranged in the spring bin 41, the movable lock pin 6 can protrude out of the spring bin 41 and be inserted into the locking hole 51, a baffle 61 is arranged at the tail end of the movable lock pin 6, the baffle 61 prevents the movable lock pin 6 from being separated from the spring bin 41, a spring 43 is arranged between the baffle 61 and the bottom of the spring bin 41, and the spring 43 is used for ejecting the end of the movable lock pin 6 out of the spring bin 41; a pressure-bearing spring 46 is arranged at the bottom of the jack 40, a mounting plate 45 is arranged at the upper end of the spring 46, and a switch 44 is arranged on the mounting plate 45; the left front side of the table body 2 is provided with an object containing groove penetrating into the table leg 1 below, a lifting upright rod 22 is movably arranged in the object containing groove, the top of the upright rod 22 is provided with an installation groove, a camera is arranged in the installation groove, concave glass 23 is arranged at the opening of the installation groove, and the concave glass 23 helps light rays to be gathered to the camera; the side wall of the upright rod 22 is provided with a rack plate 24, a gear meshed with the rack plate 24 is arranged in the table body 2, and the gear is driven by a motor to work.

The front plate 31 of the table body 2 is provided with a display plate 33.

The locking column 5 is provided with a hemispherical end 52, the end part of the movable lock pin 6 is provided with an arc-shaped surface 62, and the arc-shaped surface 62 is matched with the hemispherical end 52 to work, so that the movable lock pin 6 can be pushed to move towards two sides when the locking column 5 moves towards the bottom of the inserting hole 40.

When the movable cover plate is covered, the locking column 5 is inserted into the jack 40, and then the hemispherical ends 52 are respectively pressed on the two movable lock pins 6 in sequence. Because the end of the movable lock pin 6 is provided with the arc surface 62, the end is matched with the shape of the hemispherical end 52, so that when the locking column 5 moves downwards, the movable lock pin 6 can be pushed to move, and the locking column 5 can continuously move downwards.

The device is provided with two locking holes, and two movable lock pins 6 are arranged on two sides of each locking hole, so that the situation that the locking column 5 cannot move downwards continuously after one movable lock pin 6 is inserted into the locking hole 51 is avoided. In the present device, the arc-shaped guide surface 511 is provided in the locking hole 51 closest to the tip 52, so that the locking post 5 can move downward after the uppermost movable lock pin 6 is inserted into the locking hole 51.

When the two movable lock pins 6 are inserted into the corresponding lock holes 51, the movable cover plate 3 of the device is locked and cannot be turned up. Therefore, the examinee can not take out the data in the examination, and cheating by the examinee can be avoided.

In addition, the bottom of the receptacle 40 is provided with a switch, and when the locking post 5 is fully inserted into the receptacle 40, the end of the locking post 5 presses against this switch 44. The switch causes the motor to start operating, driving the gear to rotate and thereby causing the rack plate 24 to move upwardly, so that the upright 22 can be raised. Therefore, the camera can start to work, and the concave mirror 22 at the front end of the camera can shoot the influence on the whole desk, so that the device can record the influence of the examination of the student, and the cheating of the examinee can be avoided, and the examinee can be shot if cheating occurs. Moreover, the method can provide enough evidence for proving that the examinee does not cheat.

Then, this device has set up wireless transmission device, can transmit the content that the camera shot to the computer of podium. Therefore, when the teacher invigilates, the teacher can observe whether the examinee takes a little to copy through the computer of the platform, and therefore cheating is avoided.

In addition, some existing tests require the examinee's seats to be ordered. Generally, a paper sheet is attached to the desktop or the side of the desk, and the serial number of the desk and the information of the examinee who should take the examination are written on the paper sheet.

Therefore, the waste of paper resources is caused, and the paper sheet can be detached, so that the examination data can be copied on the back of the paper sheet; (ii) a In addition, the case where the examinee exchanges the paper with the desk may also occur.

In order to avoid the above situation, the display panel 33 is arranged on the front panel 31 of the desk, and the display panel 33 can be connected with the computer of the teacher platform. The display panel 33 can display the information of examinees and the serial numbers of desks at the places, thereby saving paper resources. And the occurrence of cheating situations can be avoided.

The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.

Claims

1. A desk special for examinations is characterized in that: comprises a table body (2) and table legs (1) arranged below the table body (2), wherein the top of the table body (2) is provided with a fixed cover plate (21) and a movable cover plate (3), the movable cover plate (3) is rotationally connected with the fixed cover plate (21), the movable cover plate (3) is provided with a locking column (5), the locking column (5) is provided with two locking holes (51) which are arranged up and down, the front side plate of the table body (2) is provided with a locking part (4), the locking part (4) and the locking column (5) are both positioned in the table body (2), the locking part (4) is provided with a jack (40), the movable cover plate (3) is covered on the table body (2) so that the locking column (5) is inserted into the jack (40), the locking part (4) is positioned on two sides of the jack (40) and is respectively provided with a spring bin (41), the two spring bins (41) are arranged up and down and respectively correspond to the positions of the locking holes (51), movable lock pins (6) are arranged in the spring bins (41), the movable lock pins (6) can protrude out of the spring bins (41) and are inserted into the locking holes (51), the tail ends of the movable lock pins (6) are provided with baffle plates (61), the baffle plates (61) prevent the movable lock pins (6) from being separated from the spring bins (41), springs (43) are arranged between the baffle plates (61) and the bottoms of the spring bins (41), and the springs (43) are used for ejecting the ends of the movable lock pins (6) out of the spring bins (41); a pressure-bearing spring (46) is arranged at the bottom of the jack (40), a mounting plate (45) is arranged at the upper end of the spring (46), and a switch (44) is arranged on the mounting plate (45); the left front side of the table body (2) is provided with an object containing groove penetrating into the table legs (1) below, a lifting upright rod (22) is movably arranged in the object containing groove, the top of the upright rod (22) is provided with a mounting groove, a camera is arranged in the mounting groove, concave glass (23) is arranged at the opening of the mounting groove, and the concave glass (23) helps light rays to be gathered to the camera; the table is characterized in that a rack plate (24) is arranged on the side wall of the vertical rod (22), a gear meshed with the rack plate (24) is arranged in the table body (2), and the gear is driven by a motor to work.

2. The desk special for the examination as claimed in claim 1, wherein: the front side plate (31) of the table body (2) is provided with a display plate (33).

3. The desk special for the examination as claimed in claim 1, wherein: the locking column (5) is provided with a hemispherical end (52), the end part of the movable lock pin (6) is provided with an arc-shaped surface (62), and the arc-shaped surface (62) is matched with the hemispherical end (52) to work, so that the movable lock pin (6) can be pushed to move towards two sides when the locking column (5) moves towards the bottom of the insertion hole (40).