CN113243664A

CN113243664A - Mixed teaching classroom table and chair

Info

Publication number: CN113243664A
Application number: CN202110721883.5A
Authority: CN
Inventors: 刘璐; 林琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-08-13

Abstract

The invention belongs to the technical field of classroom tables and chairs, and particularly relates to a mixed teaching classroom table and chair, which comprises a lectern body mainly composed of a cabinet base, a cabinet body, a drawer and a table plate, wherein one side of the cabinet base, which is far away from the ground, is fixedly connected with the cabinet body, the drawer is connected to the inner side of the cabinet body in a sliding manner, one end, which is far away from the cabinet base, of the cabinet body is fixedly connected with the table plate, and the table plate is provided with a protection component for displaying data; through the protection subassembly that sets up, not only can protect paper or lecture notes, and make things convenient for the class classmate to watch paper or lecture notes, also make things convenient for the change of taking of paper or lecture notes, moreover, the steam generator is simple in operation, take place the damage or lose when avoiding paper or lecture notes to pass, through the subassembly that opens and shuts that sets up, make things convenient for opening and shutting of toughened glass, automatic control, thereby conveniently change paper or lecture notes, the convenience that the improvement device used, and avoid the danger of manual opening and shutting, the security that the improvement device used, make the opening and shutting of toughened glass reliable and stable.

Description

Mixed teaching classroom table and chair

Technical Field

The invention belongs to the technical field of classroom tables and chairs, and particularly relates to a mixed teaching classroom table and chair.

Background

Mixed teaching classroom table chair is to mixing the teaching and using complex table chair, the teacher has more inconvenient place when using this table chair as the lectern, traditional mixed teaching classroom table chair is inconvenient show and save paper or lecture (most paper or lecture lead to the damage because of passing over or lose when using, perhaps put and read on the lectern, it is stained easily, also be inconvenient to take the change through pasting the show, and it is also inconvenient to read). Traditional mixed teaching classroom table chair is inconvenient when using accomodates other teaching aids (teacher's teaching aid all carries from the office, brings the teacher into, carries the return after finishing using again), and the storage and the use of small-size teaching aid are all inconvenient.

In order to solve the problems, the application provides a mixed teaching classroom desk and chair.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a mixed teaching classroom desk and chair which is convenient for protecting test paper or handout, facilitating the operation of taking and replacing when protecting the test paper or handout and also facilitating the storage of small teaching aids.

In order to achieve the purpose, the invention provides the following technical scheme: a mixed teaching classroom desk and chair comprises a teacher desk body mainly composed of a cabinet seat, a cabinet body, a drawer and a desk plate, wherein the cabinet body is fixedly connected to one side of the cabinet seat far away from the ground, the drawer is connected to the inner side of the cabinet body in a sliding manner, the desk plate is fixedly connected to one end of the cabinet body far away from the cabinet seat, and a protection assembly for showing data is arranged on the desk plate;

the protection subassembly includes fixed cover shell, toughened glass and places the pad, the standing groove has been seted up to the table inboard, and this standing groove one side rotates through the pivot to be connected with fixed cover shell, the inboard fixedly connected with of fixed cover shell toughened glass, this standing groove inside wall are close to one side of the cabinet body is equipped with place the pad, the standing groove is "protruding" font setting, toughened glass's motion trail is circular-arcly, and this standing groove setting is in on toughened glass's the motion trail.

Preferably, the protection assembly further comprises an auxiliary lamp, a limit stop and an operation panel, the auxiliary lamp is mounted on the inner side wall of the placement groove, the limit stop is fixedly connected to one side, close to the joint of the fixed casing and the table, of the table, and the operation panel is fixedly connected to one end, far away from the toughened glass, of the table.

As the preferable preference of the mixed teaching classroom table and chair of the invention, the protection component is also provided with an opening and closing component for driving a fixed casing to open and close, the opening and closing component comprises a motor, a worm wheel, a rotating rod, a take-up pulley and a connecting rope, the inner side of the table plate is provided with a mounting groove, one side of the mounting groove close to the drawer is fixedly connected with the motor, the output end of the motor is fixedly connected with the worm, one end of the worm far away from the motor is rotatably connected with the inner side wall of the mounting groove through a rotating shaft, the outer side of the worm is meshed with the worm wheel, the inner side of the worm wheel is fixedly connected with the rotating rod, two axial ends of the rotating rod are rotatably connected with the inner side wall of the mounting groove through a rotating shaft, one side of the rotating rod far away from the take-up pulley is fixedly connected with the take-up pulley, the outer side of the take-up pulley is fixedly connected with the connecting rope, the other end of the connecting rope is fixedly connected with one end, far away from the drawer, of the fixed casing.

Preferably, the opening and closing assembly further comprises a roller, a connecting hole is formed in the inner side of the desk plate, the roller is rotatably connected to the inner side of the connecting hole through a rotating shaft, and the connecting rope is connected to the outer side of the roller in a sliding mode.

Preferably, the cabinet base is provided with an extended storage assembly for storing teaching aids, the extended storage assembly comprises a sliding rod, a sliding block, an adjusting rod and a seat, a fixing groove is formed in the inner side of the cabinet base, the sliding rod is fixedly connected to the inner side wall of the fixing groove, the sliding block is fixedly connected to the outer side of the sliding rod, the adjusting rod is slidably connected to the inner side of the sliding block, and one end, far away from the cabinet base, of the adjusting rod is fixedly connected with the seat.

Preferably, the chair mainly comprises a containing box and a box cover, wherein one end of the adjusting rod, which is far away from the cabinet seat, is fixedly connected with the containing box, the inner side of one end of the containing box, which is far away from the ground, is connected with the box cover in a sliding manner, and the outer side of the box cover is completely attached to the inner side wall of the containing box.

Preferably, the adjusting rod is mainly composed of a connecting rod and a limiting block, a sliding groove is formed in the inner side of the sliding block, the connecting rod is connected to the inner side wall of the sliding groove in a sliding mode, one end, far away from the containing box, of the connecting rod is fixedly connected with the limiting block, and the height of the limiting block is 1.5 times that of the sliding groove.

Preferably, the extended storage assembly further comprises a partition plate, an adjusting groove is formed in the inner side of the storage box, and the partition plate is connected to the inner side of the adjusting groove in a sliding mode.

Preferably, the partition plate mainly comprises a sliding seat, a rotating cylinder and a baffle, the sliding seat is connected to the inner side wall of the adjusting groove, the rotating cylinder is rotatably connected to one side of the sliding seat, which is close to the case cover, through a rotating shaft, and the baffle is fixedly connected to one side of the rotating cylinder, which is close to the case cover.

Preferably, the extended storage assembly further comprises four universal wheels, the universal wheels are rotatably mounted on one side, away from the box cover, of the storage box through rotating shafts, and the four universal wheels are uniformly arranged on the storage box.

Compared with the prior art, the invention has the beneficial effects that:

through the protection subassembly that sets up, not only can protect paper or lecture notes, and make things convenient for the class classmate to watch paper or lecture notes, also make things convenient for the change of taking of paper or lecture notes, moreover, the steam generator is simple in operation, take place damaged or lose when avoiding paper or lecture notes to circulate, through the subassembly that opens and shuts that sets up, make things convenient for toughened glass's opening and shutting, automatic control, thereby conveniently change paper or lecture notes, the convenience that the improvement device used, and avoid the danger of manual opening and shutting, the security that the improvement device used, make toughened glass's opening and shutting reliable, the subassembly is accomodate in expansion through setting up, the comfort level according to the position of sitting is adjusted, and conveniently accomodate other data and miniature teaching aid through the seat, the effect that the improvement device accomodates, the space of accomodating is expanded.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the drawer mounting structure of the present invention;

FIG. 3 is a schematic view of the mounting structure of the protection assembly of the present invention;

FIG. 4 is a schematic view of an installation structure of the stationary casing according to the present invention;

FIG. 5 is a schematic view of the installation structure of the opening and closing assembly of the present invention;

FIG. 6 is a schematic view of an installation structure of the extended storage assembly of the present invention;

FIG. 7 is a schematic view of an installation structure of the adjusting lever according to the present invention;

FIG. 8 is a schematic view of the installation structure of the seat of the present invention;

FIG. 9 is a schematic view showing an installation structure of the partition board according to the present invention;

in the figure:

10. a teacher desk body; 11. a cabinet base; 12. a cabinet body; 13. a drawer; 14. a table plate;

20. a protection component; 21. fixing the casing; 22. tempering the glass; 23. an auxiliary light; 24. placing the pad; 25. a limit stop block; 26. an operation panel;

30. an opening and closing assembly; 31. a motor; 32. a worm; 33. a worm gear; 34. a rotating rod; 35. a take-up pulley; 36. connecting ropes; 37. a roller;

40. an expansion storage component; 41. a slide bar; 42. a slider; 43. adjusting a rod; 431. a connecting rod; 432. a limiting block; 44. a seat; 441. a storage box; 442. a box cover; 45. a partition plate; 451. a slide base; 452. a rotating drum; 453. a baffle plate; 46. a universal wheel.

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 of the 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.

Example 1

As shown in fig. 1, 2, 3 and 4:

the present invention provides the following scheme: a mixed teaching classroom desk and chair comprises a lectern body 10 mainly composed of a cabinet seat 11, a cabinet body 12, a drawer 13 and a desk plate 14, wherein one side of the cabinet seat 11, which is far away from the ground, is fixedly connected with the cabinet body 12, the drawer 13 is connected to the inner side of the cabinet body 12 in a sliding manner, one end, which is far away from the cabinet seat 11, of the cabinet body 12 is fixedly connected with the desk plate 14, and the desk plate 14 is provided with a protection component 20 for data display;

in this embodiment: when using, the current lectern body 10, the cabinet seat 11 supports wholly and is used for placing and accomodates chair or great teaching aid, drawer 13 can slide in the cabinet body 12, can place data etc. in drawer 13, can place books teaching material data etc. on table 14 and read when or practical when lecturing, through the protection subassembly 20 that sets up, can place paper or lecture etc. in protection subassembly 20, not only can protect paper or lecture, and make things convenient for student's classmate to watch paper or lecture, also make things convenient for the change of taking of paper or lecture, and easy operation, take place damage or lose when avoiding paper or lecture to pass.

As shown in fig. 1, 2, 3 and 4:

the utility model provides a mix teaching classroom table chair, protection component 20 includes fixed cover shell 21, toughened glass 22 and places and fills up 24, the standing groove has been seted up to table 14 inboard, and this standing groove one side is rotated through the pivot and is connected with fixed cover shell 21, the inboard fixedly connected with of fixed cover shell toughened glass 22, this standing groove inside wall are close to one side of the cabinet body 12 is equipped with place and fill up 24, the standing groove is "protruding" font setting, toughened glass 22's motion trail is circular-arcly, and this standing groove sets up on toughened glass 22's the motion trail.

In this embodiment: fixed cover shell 21 parcel toughened glass 22, protect toughened glass 22, the standing groove separation that drives toughened glass 22 and table 14 through upset fixed cover shell 21, then place paper or lecture on placing the pad 24 in the standing groove, then the fixed cover shell 21 that resets, make toughened glass 22 with paper or lecture spacing on placing the pad 24 in the standing groove, thereby conveniently protect paper or lecture, also conveniently look over paper or lecture through toughened glass 22, and the operation is simple, time saving and labor saving.

Further, the method comprises the following steps:

in an optional embodiment, the protection assembly 20 further includes an auxiliary light 23, a limit stop 25 and an operation panel 26, the auxiliary light 23 is mounted on an inner side wall of the placement groove, the limit stop 25 is fixedly connected to a side of the table 14 close to a connection portion of the fixed casing 21 and the table 14, and the operation panel 26 is fixedly connected to an end of the table 14 far from the tempered glass 22.

In this embodiment: the switch of the auxiliary lamp 23 is controlled by pressing the operation panel 26, so that the auxiliary lamp 23 can perform auxiliary lighting in the placing groove, test paper or lectures can be conveniently read, the limit stop 25 can limit the maximum track of the movement of the fixed casing 21, the fixed casing 21 cannot rotate to be perpendicular to the cabinet body 12, the fixed casing 21 must be held by hands when the desk is used, the desk becomes a habit, and the fixed casing 21 which is caused by loosening of the back hand after the fixed casing 21 is opened cannot reset and impact on the desk plate 14 through gravity.

It should be noted that: the operation panel 26 is electrically connected with the auxiliary lamp 23 through a wire, and the operation panel 26 supplies power through an external power supply.

As shown in fig. 1, 2 and 5:

a mixed teaching classroom table and chair is characterized in that an opening and closing component 30 for driving a fixed casing 21 to open and close is further arranged on a protection component 20, the opening and closing component 30 comprises a motor 31, a worm 32, a worm wheel 33, a rotating rod 34, a take-up pulley 35 and a connecting rope 36, a mounting groove is formed in the inner side of a table plate 14, one side, close to a drawer 13, of the mounting groove is fixedly connected with the motor 31, the output end of the motor 31 is fixedly connected with the worm 32, one end, far away from the motor 31, of the worm 32 is rotatably connected with the inner side wall of the mounting groove through a rotating shaft, the worm wheel 33 is meshed with the outer side of the worm 32, the rotating rod 34 is fixedly connected to the inner side of the worm wheel 33, the two axial ends of the rotating rod 34 are rotatably connected with the inner side wall of the mounting groove through rotating shafts, one side, far away from the take-up pulley 35, of the rotating rod 34 is fixedly connected with the take-up pulley 35, the outside of the take-up pulley 35 is fixedly connected with the connecting rope 36, and the other end of the connecting rope 36 is fixedly connected with one end of the fixed casing 21 far away from the drawer 13.

In this embodiment: the device controls the motor 31 to rotate positively through the operation panel 26 when in use, thereby driving the worm 32 to rotate, the worm 32 drives the worm wheel 33 to rotate, the worm wheel 33 drives the take-up pulley 35 to rotate through the rotating rod 34, the take-up pulley 35 winds the connecting rope 36, thereby driving the fixed casing 21 to rotate through the connecting rope 36, further separating the toughened glass 22 from the placing groove of the table 14, then placing or replacing the test paper or the lecture, controlling the motor 31 to rotate reversely through the operation panel 26, the connecting rope 36 slowly rolls out of the take-up pulley 35, the fixed casing 21 and the toughened glass 22 are slowly reset by gravity, the worm 32 and the worm wheel 33 have self-locking characteristics, the worm wheel 33 can not rotate randomly, thereby preventing the connecting rope 36 from rolling out or randomly, avoiding the fixed casing 21 from rotating randomly, and avoiding the fixed casing 21 from striking the table 14 when resetting, make fixed cover shell 21 slow when reseing with the standing groove laminating of table 14, make things convenient for opening and shutting of toughened glass 22, automatic control to conveniently change paper or lecture notes, improve the convenience that the device used, and avoid the danger of manual opening and shutting, improve the security that the device used, make opening and shutting of toughened glass 22 reliable and stable.

It should be noted that: the motor 31 is electrically connected to the operation panel 26, and it is understood that the operation panel 26 has three buttons, one corresponding to the switch for controlling the auxiliary lamp 23, one corresponding to the forward rotation and stop of the control motor 31, and the other corresponding to the reverse rotation and stop of the control motor 31.

Further, the method comprises the following steps:

in an optional embodiment, the opening and closing assembly 30 further includes a roller 37, a connection hole is formed in the inner side of the table plate 14, the roller 37 is rotatably connected to the inner side of the connection hole through a rotation shaft, and the connection rope 36 is slidably connected to the outer side of the roller 37.

In this embodiment: connect rope 36 spacing through gyro wheel 37, gyro wheel 37 motion drives connects rope 36 and rolls, avoids the friction of gyro wheel 37 and table 14, extension fixture's life.

As shown in fig. 1, 2, 6, 7, 8 and 9:

the utility model provides a mix teaching classroom table chair, be equipped with the expansion storage assembly 40 that is used for accomodating the teaching aid on cabinet seat 11, expansion storage assembly 40 includes slide bar 41, slider 42, adjusts pole 43 and seat 44, the fixed slot has been seted up to cabinet seat 11 inboard, and this fixed slot inside wall fixedly connected with slide bar 41, slide bar 41 outside fixedly connected with slider 42, the inboard sliding connection of slider 42 has adjust pole 43, it keeps away from to adjust pole 43 the one end fixedly connected with of cabinet seat 11 seat 44.

In this embodiment: the podium has a ladder generally, the podium 11 is placed under the podium, seat 44 is placed on the podium, slide bar 41 through setting up carries on spacingly to slider 42, slider 42 slides on slide bar 41, thereby can make seat 44 adapt to the podium of co-altitude not, adjust pole 43 and slide in slider 42, thereby can adjust the distance between seat 44 and the podium 11, comfort level according to the position of sitting is adjusted, and conveniently accomodate other data and miniature teaching aid through seat 44, the effect that the elevating gear accomodates, the space of accomodating is extended.

Further, the method comprises the following steps:

in an alternative embodiment, the seat 44 mainly includes a storage box 441 and a cover 442, the end of the adjusting lever 43 away from the cabinet 11 is fixedly connected with the storage box 441, the inner side of the end of the storage box 441 away from the ground is slidably connected with the cover 442, and the outer side of the cover 442 completely fits the inner side wall of the storage box 441.

In this embodiment: combine the aforesaid, through picking up case lid 442 and containing box 441 separation to place other data and miniature teaching aid in containing box 441, solve the problem that the teacher carried the teaching aid and made a round trip to take, avoid carrying the trouble, labour saving and time saving, and accomodate easily, conveniently preserve, save space.

Further, the method comprises the following steps:

in an optional embodiment, the adjusting rod 43 mainly includes a connecting rod 431 and a limiting block 432, a sliding groove is formed in the inner side of the sliding block 42, the connecting rod 431 is slidably connected to the inner side wall of the sliding groove, the limiting block 432 is fixedly connected to one end, far away from the storage box 441, of the connecting rod 431, and the height of the limiting block 432 is 1.5 times that of the sliding groove.

In this embodiment: in combination with the above, when the distance between the seat 44 and the cabinet 11 is adjusted, the connecting rod 431 is limited by the slider 42, so that the seat 44 can be conveniently kept to move linearly relative to the cabinet 11, the height of the limiting block 432 is 1.5 times that of the sliding groove, and the connecting rod 431 can be prevented from falling off from the slider 42.

Further, the method comprises the following steps:

in an alternative embodiment, the expansion storage assembly 40 further includes a partition plate 45, and an adjusting groove is formed inside the storage box 441, and the partition plate 45 is slidably connected inside the adjusting groove.

In this embodiment: the inner space of the storage box 441 is divided into two spaces through the arranged partition plate 45, so that the storage boxes are convenient to classify.

Further, the method comprises the following steps:

in an alternative embodiment, the partition 45 is mainly composed of a sliding base 451, a rotating drum 452 and a blocking plate 453, the sliding base 451 is connected to the inner side wall of the adjusting groove, the rotating drum 452 is rotatably connected to one side of the sliding base 451 close to the cover 442 through a rotating shaft, and the blocking plate 453 is fixedly connected to one side of the rotating drum 452 close to the cover 442.

In this embodiment: combine above-mentioned, slide in the adjustment tank through slide 451 to adjust the position of slide 451, then baffle 453 passes through rotary drum 452 and can rotate relative slide 451, thereby make slide 451 and baffle 453 separate according to the space needs of reality, improve the categorised effect of placing of device, conveniently adjust categorised space, guarantee the biggest utilization in space and classify simultaneously and place.

Further, the method comprises the following steps:

in an alternative embodiment, the expansion storage assembly 40 further includes four universal wheels 46, the universal wheels 46 are rotatably mounted on a side of the storage box 441 away from the cover 442 through a rotating shaft, and the four universal wheels 46 are uniformly arranged on the storage box 441.

In this embodiment: in combination with the above, when the distance between the seat 44 and the cabinet 11 is adjusted, the seat 44 is driven to slide on the ground by the universal wheels 46, so that the seat 44 can be adjusted conveniently.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mix teaching classroom table chair, includes mainly lectern body (10) of constituteing by cabinet seat (11), the cabinet body (12), drawer (13) and table (14), one side fixedly connected with on ground is kept away from in cabinet seat (11) the cabinet body (12), the inboard sliding connection of the cabinet body (12) has drawer (13), keep away from in the cabinet body (12) the one end fixedly connected with of cabinet seat (11) table (14), its characterized in that: the table plate (14) is provided with a protection component (20) for displaying data;

protection component (20) are including fixed cover shell (21), toughened glass (22) and place pad (24), the standing groove has been seted up to table (14) inboard, and this standing groove one side is rotated through the pivot and is connected with fixed cover shell (21), the inboard fixedly connected with of fixed cover shell (21) toughened glass (22), this standing groove inside wall are close to one side of the cabinet body (12) is equipped with place pad (24), the standing groove is "protruding" font setting, the motion trail of toughened glass (22) is circular-arc, and this standing groove sets up on the motion trail of toughened glass (22).

2. The hybrid teaching classroom desk and chair of claim 1 wherein: protection subassembly (20) still include auxiliary lamp (23), limit stop (25) and operating panel (26), and this standing groove inside wall is installed auxiliary lamp (23), table (14) are close to fixed cover shell (21) with one side fixedly connected with of the junction of table (14) limit stop (25), keep away from table (14) the one end fixedly connected with of toughened glass (22) operating panel (26).

3. A hybrid teaching classroom desk and chair as claimed in claim 2 wherein: the protection component (20) is further provided with an opening and closing component (30) for driving the fixed casing (21) to open and close, the opening and closing component (30) comprises a motor (31), a worm (32), a worm wheel (33), a rotating rod (34), a take-up pulley (35) and a connecting rope (36), the inner side of the table board (14) is provided with a mounting groove, one side of the mounting groove, which is close to the drawer (13), is fixedly connected with the motor (31), the output end of the motor (31) is fixedly connected with the worm (32), one end, which is far away from the motor (31), of the worm (32) is rotatably connected with the inner side wall of the mounting groove through a rotating shaft, the worm wheel (33) is meshed with the outer side of the worm (32), the inner side of the worm wheel (33) is fixedly connected with the rotating rod (34), and the axial two ends of the rotating rod (34) are rotatably connected with the inner side wall of the mounting groove through rotating shafts, one side, far away from the take-up pulley (35), of the rotating rod (34) is fixedly connected with the take-up pulley (35), the outer side of the take-up pulley (35) is fixedly connected with the connecting rope (36), and the other end of the connecting rope (36) is fixedly connected with one end, far away from the drawer (13), of the fixed casing (21).

4. A hybrid teaching classroom desk and chair as claimed in claim 3 wherein: the opening and closing assembly (30) further comprises a roller (37), a connecting hole is formed in the inner side of the table plate (14), the inner side of the connecting hole is rotatably connected with the roller (37) through a rotating shaft, and the outer side of the roller (37) is slidably connected with the connecting rope (36).

5. The hybrid teaching classroom desk and chair of claim 1 wherein: be equipped with on cabinet seat (11) and be used for accomodating the expansion storage assembly (40) of teaching aid, expand storage assembly (40) and include slide bar (41), slider (42), adjust pole (43) and seat (44), the fixed slot has been seted up to cabinet seat (11) inboard, and this fixed slot inside wall fixedly connected with slide bar (41), slide bar (41) outside fixedly connected with slider (42), the inboard sliding connection of slider (42) has adjust pole (43), it keeps away from to adjust pole (43) the one end fixedly connected with of cabinet seat (11) seat (44).

6. The hybrid teaching classroom desk and chair of claim 5 wherein: the seat (44) mainly comprises a containing box (441) and a box cover (442), wherein one end, far away from the cabinet seat (11), of the adjusting rod (43) is fixedly connected with the containing box (441), the inner side of one end, far away from the ground, of the containing box (441) is connected with the box cover (442) in a sliding mode, and the outer side of the box cover (442) is completely attached to the inner side wall of the containing box (441).

7. The hybrid teaching classroom desk and chair of claim 6 wherein: the adjusting rod (43) mainly comprises a connecting rod (431) and a limiting block (432), a sliding groove is formed in the inner side of the sliding block (42), the connecting rod (431) is connected to the inner side wall of the sliding groove in a sliding mode, one end, far away from the containing box (441), of the connecting rod (431) is fixedly connected with the limiting block (432), and the height of the limiting block (432) is 1.5 times that of the sliding groove.

8. The hybrid teaching classroom desk and chair of claim 7 wherein: the expansion storage assembly (40) further comprises a partition plate (45), an adjusting groove is formed in the inner side of the storage box (441), and the partition plate (45) is connected to the inner side of the adjusting groove in a sliding mode.

9. The hybrid teaching classroom desk and chair of claim 8 wherein: the partition plate (45) mainly comprises a sliding seat (451), a rotating drum (452) and a baffle plate (453), the sliding seat (451) is connected to the inner side wall of the adjusting groove, the rotating drum (452) is rotatably connected to one side, close to the box cover (442), of the sliding seat (451) through a rotating shaft, and the baffle plate (453) is fixedly connected to one side, close to the box cover (442), of the rotating drum (452).

10. The hybrid teaching classroom desk and chair of claim 9 wherein: the expansion storage assembly (40) further comprises four universal wheels (46), one side, far away from the box cover (442), of the storage box (441) is rotatably provided with the universal wheels (46) through a rotating shaft, and the four universal wheels (46) are uniformly arranged on the storage box (441).