CN215189957U - Lectern is used in teaching of management science convenient to adjust - Google Patents

Abstract

The utility model discloses a conveniently-adjusted teacher's desk for management science teaching, in particular to the field of management science, which comprises a bottom plate, a desktop and a rotating shaft, wherein the desktop is positioned above the bottom plate, the rotating shaft is positioned below the bottom plate, supporting legs are fixedly arranged at four corners of one side of the bottom plate, one side of two supporting legs is provided with a first chute, one end of the rotating shaft movably penetrates through one of the supporting legs and is rotatably inserted into one side of one of the first chutes, and one side of the desktop is provided with a first groove; the inside of two first spouts all moves about and is equipped with the pinion rack, and the one end of two pinion racks is all fixed and is equipped with the fixed plate, and four edges of two fixed plate one sides all fix and are equipped with the dead lever, and the one end of eight dead levers all moves about and runs through the bottom plate and the activity is pegged graft respectively at the both ends of desktop one side, and the both ends of pivot are all fixed the cover and are equipped with the gear, and two gears mesh with two pinion racks respectively, and the other end of pivot is fixed and is equipped with the fixed disk, and one side of fixed disk is rotated and is pegged graft and have the bull stick.

Description

Lectern is used in teaching of management science convenient to adjust

Technical Field

The utility model relates to a technical field of management science specifically is a lectern is used in teaching of management science convenient to adjust.

Background

Management is a comprehensive interdisciplinary science, which is the science of the basic rules and general methods of system research and management activities. Management is generated by adapting to the requirement of modern socialized mass production, and aims to: the research on how to improve the productivity level by reasonably organizing and configuring human, property, thing and other factors under the existing conditions.

1. Most of the teacher tables used in management teaching are not adjustable, so that a teacher needs to hold down to see a textbook for a long time during teaching, the cervical vertebra of the teacher is sore, and cervical spondylosis can be caused in severe cases;

2. the teacher need hand textbook when writing on the blackboard, and the textbook of holding for a long time can lead to the arm ache, but the textbook is kept flat and is not convenient for look over on the lectern, just so probably leads to the lecture effect to worsen, for this reason we propose a lectern for management science teaching of being convenient for adjust and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The technique that exists is not enough to the aforesaid, the utility model aims at providing a lectern is used in teaching of management science convenient to adjust to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a lectern for management science teaching convenient to adjust, including bottom plate, desktop and pivot, the desktop is located the top of bottom plate, the pivot is located the below of bottom plate, four edges of bottom plate one side all are fixed and are equipped with the supporting leg, and wherein two one side of supporting leg all is seted up first spout, one end activity of pivot runs through one of them supporting leg and rotates to peg graft in one side of one of them first spout, one side of desktop is seted up first recess;

toothed plates are movably arranged in the two first sliding grooves, one ends of the two toothed plates are fixedly provided with fixed plates, four corners of one side of the two fixed plates are fixedly provided with fixed rods, one ends of the eight fixed rods movably penetrate through the bottom plate and are movably inserted into two ends of one side of the table top respectively, two ends of the rotating shaft are fixedly sleeved with gears, the two gears are respectively meshed with the two toothed plates, the other end of the rotating shaft is fixedly provided with a fixed disc, and one side of the fixed disc is rotatably inserted with a rotating rod,

preferably, the fixed first fixed axle that is equipped with of one end of first recess, the activity cover is equipped with the supporter on the first fixed axle, the second recess has been seted up to one side symmetry of supporter, two the one end of second recess is all fixed to be equipped with the second fixed axle, two the cover is equipped with the inserted bar all to move about on the second fixed axle, a plurality of jack has been seted up to one side symmetry of desktop, two the inside of establishing two of them jacks is inserted respectively to the one end of inserted bar.

Preferably, the two ends of one side of the desktop are respectively provided with a second sliding groove, the two ends of one side of the bottom plate are respectively fixedly provided with a vertical rod, and one ends of the two vertical rods are movably inserted into the two second sliding grooves respectively.

Preferably, a stop lever is fixedly arranged inside the first groove and is positioned on one side of the commodity shelf.

Preferably, the fixed disk has a diameter larger than that of the rotating shaft.

Preferably, the width of the table top is greater than the width of the base.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the rotary rod is arranged, the rotary rod drives the fixed disc to rotate by rotating the rotary rod, the fixed disc drives the rotary shaft to rotate, the rotary shaft drives the two gears to rotate, the two gears drive the two toothed plates meshed with the two gears to move upwards, the two toothed plates drive the two fixed plates to move upwards, the two fixed plates drive the eight fixed rods to move, and the eight fixed rods drive one end of the tabletop to move upwards, so that the tabletop is kept inclined, a long-time head-lowering posture can be avoided, and the aim of keeping health is fulfilled;

2. through being equipped with the supporter, through rotating the supporter along first fixed axle for the supporter adjusts suitable angle, later rotates the inserted bar along the second fixed axle, then inserts the inserted bar jack, then places the textbook between supporter and the pin, looks over the textbook when just so can conveniently writing the blackboard, thereby improves teaching effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

Fig. 2 is another schematic structural diagram of the present invention.

Fig. 3 is an enlarged view of a structure in fig. 1.

Description of reference numerals: 1. a base plate; 2. a desktop; 3. a rotating shaft; 4. supporting legs; 5. a first chute; 6. a first groove; 7. a toothed plate; 8. a fixing plate; 9. fixing the rod; 10. a gear; 11. fixing the disc; 12. a rotating rod; 13. a first fixed shaft; 14. a rack; 15. a second groove; 16. a second fixed shaft; 17. inserting a rod; 18. a jack; 19. a second chute; 20. erecting a rod; 21. a stop lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a lectern for management science teaching convenient to adjust, which comprises a bottom plate 1, a desktop 2 and a rotating shaft 3, wherein the desktop 2 is positioned above the bottom plate 1, the rotating shaft 3 is positioned below the bottom plate 1, supporting legs 4 are fixedly arranged at four corners of one side of the bottom plate 1, wherein, one side of two supporting legs 4 is respectively provided with a first chute 5, one end of the rotating shaft 3 movably penetrates one of the supporting legs 4 and is rotatably inserted into one side of one of the first chutes 5, and one side of the desktop 2 is provided with a first groove 6;

the inside of two first spouts 5 is all moved and is equipped with pinion rack 7, the one end of two pinion racks 7 is all fixed and is equipped with fixed plate 8, four edges of two fixed plate 8 one sides are all fixed and are equipped with dead lever 9, the one end of eight dead levers 9 is all moved and is run through bottom plate 1 and the both ends of pegging graft in 2 one sides of desktop respectively, the equal fixed cover in both ends of pivot 3 is equipped with gear 10, two gear 10 mesh with two pinion racks 7 respectively, the other end of pivot 3 is fixed and is equipped with fixed disk 11, one side of fixed disk 11 is rotated and is pegged graft and have bull stick 12.

Further, the fixed first fixed axle 13 that is equipped with of one end of first recess 6, the activity cover is equipped with supporter 14 on the first fixed axle 13, second recess 15 has been seted up to one side symmetry of supporter 14, the one end of two second recesses 15 is all fixed and is equipped with second fixed axle 16, the equal activity cover is equipped with inserted bar 17 on two second fixed axles 16, a plurality of jack 18 has been seted up to one side symmetry of desktop 2, the inside of establishing two of them jack 18 is inserted respectively to the one end of two inserted bars 17, through the supporter 14 on rotating first fixed axle 13, adjust the angle of supporter 14, the rethread rotates inserted bar 17 and with inserted bar 17 insert in the jack 18, thereby reach the purpose of fixed supporter 14.

Furthermore, second spout 19 has all been seted up at the both ends of desktop 2 one side, and the both ends of bottom plate 1 one side all are fixed and are equipped with pole setting 20, and the one end activity of two pole settings 20 moves respectively and inserts the inside of establishing at two second spout 19, through inserting pole setting 20 and establish at second spout 19 to reach the purpose of spacing desktop 2.

Furthermore, a stop lever 21 is fixedly arranged in the first groove 6, the stop lever 21 is positioned on one side of the shelf 14, and the stop lever 21 is arranged in the first groove 6, so that the purpose of limiting textbooks is achieved.

Further, the diameter of the fixed disk 11 is larger than that of the rotation shaft 3, and the rotation shaft 3 is conveniently rotated by making the diameter of the fixed disk 11 larger than that of the rotation shaft 3.

Furthermore, the width of the table top 2 is larger than that of the bottom plate 1, so that the bottom plate 1 can be prevented from exceeding the table top 2 when the table top 2 is adjusted.

Working principle; firstly, the rotating rod 12 is rotated, the rotating rod 12 drives the fixed disk 11 to rotate, the fixed disk 11 drives the rotating shaft 3 to rotate, meanwhile, the rotating shaft 3 drives the two gears 10 to rotate, the two gears 10 drive the two toothed plates 7 engaged with the two gears to move upwards, meanwhile, the two toothed plates 7 drive the two fixed plates 8 to move upwards, the two fixed plates 8 drive the eight fixed rods 9 to move, meanwhile, the eight fixed rods 9 drive one end of the desktop 2 to move upwards, so that the desktop 2 keeps inclining, meanwhile, the upright rod 20 slides in the second sliding groove 19, then the shelf 14 is rotated along the first fixed shaft 13, so that the shelf 14 adjusts a proper angle, then the inserted rod 17 is rotated along the second fixed shaft 16, then the inserted rod 17 is inserted into the inserting hole 18, then the textbook is placed between the shelf 14 and the blocking rod 21, thus the textbook can be conveniently viewed when the blackboard is written, after a student takes the textbook down from the desktop 2, subsequently, the insert rod 17 is pulled out from the insert hole 18 and the insert rod 17 is rotated, so that the insert rod 17 is clamped in the second groove 15, the article placing frame 14 is rotated, the article placing frame 14 is clamped in the first groove 6, the rotating rod 12 is rotated, the fixing rod 9 drives one end of the desktop 2 to move downwards, and finally the desktop 2 is parallel to the bottom plate 1.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (6)

1. The teacher's desk convenient to adjust for the management science teaching comprises a bottom plate (1), a desktop (2) and a rotating shaft (3), and is characterized in that the desktop (2) is located above the bottom plate (1), the rotating shaft (3) is located below the bottom plate (1), supporting legs (4) are fixedly arranged at four corners of one side of the bottom plate (1), first sliding grooves (5) are formed in one sides of the two supporting legs (4), one end of the rotating shaft (3) movably penetrates through one of the supporting legs (4) and is rotatably inserted into one side of one of the first sliding grooves (5), and a first groove (6) is formed in one side of the desktop (2);

two the inside equal activity of first spout (5) is equipped with pinion rack (7), two the one end of pinion rack (7) is all fixed to be equipped with fixed plate (8), two four edges of fixed plate (8) one side are all fixed to be equipped with dead lever (9), eight the one end of dead lever (9) is all moved and is run through bottom plate (1) and move about respectively and peg graft at the both ends of desktop (2) one side, the both ends of pivot (3) are all fixed the cover and are equipped with gear (10), two gear (10) mesh with two pinion rack (7) respectively, the other end of pivot (3) is fixed to be equipped with fixed disk (11), one side of fixed disk (11) is rotated and is pegged graft and is had bull stick (12).

2. The teacher's desk convenient to adjust for management science teaching of claim 1, characterized in that one end of first recess (6) is fixed and is equipped with first fixed axle (13), the movable sleeve is equipped with supporter (14) on first fixed axle (13), second recess (15) have been seted up to one side symmetry of supporter (14), two the one end of second recess (15) is all fixed and is equipped with second fixed axle (16), two the equal movable sleeve is equipped with inserted bar (17) on second fixed axle (16), a plurality of jack (18) have been seted up to one side symmetry of desktop (2), two the one end of inserted bar (17) is inserted respectively and is established the inside of two of them jack (18).

3. The adjustable teacher's desk for teaching of management science and technology according to claim 1, wherein the two ends of one side of the desktop (2) are respectively provided with a second sliding groove (19), the two ends of one side of the bottom plate (1) are respectively and fixedly provided with an upright rod (20), and one end of each of the two upright rods (20) is movably inserted into the two second sliding grooves (19).

4. The adjustable teacher's desk for teaching management science according to claim 1, wherein a stop lever (21) is fixedly arranged inside the first groove (6), and the stop lever (21) is positioned at one side of the rack (14).

5. The teachers' desk for management of teaching and teaching convenient to adjust as claimed in claim 1, wherein the diameter of the fixed disk (11) is larger than that of the rotary shaft (3).

6. The teachers' desk with easy adjustment of its function as claimed in claim 1, wherein the width of the desk top (2) is larger than the width of the base plate (1).

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