CN213696102U

CN213696102U - Teacher's desk for teaching

Info

Publication number: CN213696102U
Application number: CN202021191114.6U
Authority: CN
Inventors: 李敬举
Original assignee: Qingdao Youerzhen Education Consulting Co ltd
Current assignee: Qingdao Youerzhen Education Consulting Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-07-16
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to a teaching technical field, and disclose a lectern for teaching, including the supporting leg, the top of supporting leg and one side fixed connection of fixed plate lower surface, the lower surface of fixed plate and the top fixed connection of support column, the bottom of support column and one side fixed connection of bearing plate upper surface, one side of bearing plate and the inner wall fixed connection of supporting leg, the middle part of bearing plate upper surface and the bottom fixed connection of motor, one side of motor is rotated through pivot and one side of initiative bevel gear and is connected. This lectern for teaching rotates through driven bevel gear and drives the threaded rod and rotate to drive threaded sleeve and reciprocate, the bracing piece rotates and makes the layer board angle change, has reached the effect that can adjust the desktop height and change the textbook viewing angle, has solved current lectern and can't adjust the desktop height according to teacher's height, can't fix and change the problem of textbook support angle to the textbook.

Description

Teacher's desk for teaching

Technical Field

The utility model relates to a teaching technical field specifically is a lectern is used in teaching.

Background

Nowadays, english is more and more common in daily life uses, and in the teaching process, the lectern is the most important teaching aid, in order to make the better education that receives of learner to and the teacher uses more conveniently, also is especially important to the design of english lectern.

The height of the existing teacher desk cannot be adjusted, and the teacher desk cannot be used by teachers with different heights, in addition, the teacher usually puts the textbook on the desk or holds the textbook by hands when reading the textbook, the textbook is directly put on the desk, the teacher has to excessively lower the head when reading, a plurality of occupational diseases are caused by the posture for a long time, the working strength of the teacher is increased, the working fatigue phenomenon is caused, and when writing on a blackboard, books need to be frequently pressed, the books are prevented from jumping pages, the books are repeatedly taken into consideration, the teaching time can be delayed, the teaching thought of the teacher is disturbed, and the teaching quality of the teacher is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a lectern is used in teaching, possess the height that can come nimble desktop of adjusting according to teacher's height, can be fixed the textbook and possess when needs blackboard writing or show teaching card and prevent textbook jump page or leaf, can also adjust the viewing angle of textbook, prevent that the teacher from long-time bowing and arousing occupational disease and can not effectual observation student's study state, alleviate teacher's working strength, improve advantages such as teacher's teaching quality, the current lectern can not height-adjusting has been solved, do not possess the textbook fixed and can not adjust the problem that the angle was placed to the textbook.

(II) technical scheme

For realize the aforesaid can come the height of nimble desktop of adjusting according to teacher's height, can be fixed the textbook and possess when needs blackboard writing or show teaching card and prevent the textbook and jump the page or leaf, can also adjust the viewing angle of textbook, prevent that the teacher from long-time bowing and arousing occupational disease and can not effectual observation student's study state, alleviate teacher's working strength, improve teacher's teaching quality's effect, the utility model provides a following technical scheme: the utility model provides a lectern is used in teaching, including the supporting leg, one side fixed connection of the top of supporting leg and fixed plate lower surface, the lower surface of fixed plate and the top fixed connection of support column, one side fixed connection of the bottom of support column and bearing plate upper surface, one side of bearing plate and the inner wall fixed connection of supporting leg, the middle part of bearing plate upper surface and the bottom fixed connection of motor, one side of motor is rotated through pivot and one side of initiative bevel gear and is connected, initiative bevel gear's surface and driven bevel gear's surface engagement, driven bevel gear's middle part and the surface of threaded rod one end cup joint, the opposite side rotation connection of bearing and bearing plate upper surface is passed through to the one end of threaded rod, the other end of threaded rod passes through the bearing and is connected with the bottom rotation of fixed plate, the surface at.

The middle part of threaded sleeve one side and the one end fixed connection of connecting rod, the other end of connecting rod and the bottom fixed connection of connector one side, the top of connector and the bottom fixed connection of backup pad, one side at backup pad top and connecting block A's bottom fixed connection, connecting block A's middle part is passed through the bull stick and is connected with one side rotation of layer board, the opposite side of layer board and one side fixed connection of bottom plate, one side of layer board lower surface and connecting block B's top fixed connection, connecting block B's middle part is passed through the bull stick and is connected with the top rotation of bracing piece.

Preferably, the threaded rod is provided with threads in a direction opposite to the direction of the threads on the inner wall of the threaded sleeve.

Preferably, the other side fixedly connected with horizontal pole of connector, one side and sheathed tube one side fixed connection of horizontal pole, and the sheathed tube inner wall cup joints with the surface of support column.

Preferably, the supporting plate is provided with two flat head clamps, and the two flat head clamps are symmetrically distributed on two sides of the supporting plate.

Preferably, a limiting rod is arranged on the supporting plate and is clamped with the bottom of the supporting rod.

Preferably, be provided with the card receiver in the backup pad, and the quantity of card receiver is two, two card receiver symmetric distribution in one side at backup pad top.

(III) advantageous effects

Compared with the prior art, the utility model provides a lectern is used in teaching possesses following beneficial effect:

1. this lectern for teaching rotates through driven bevel gear and drives the threaded rod and rotate to drive threaded sleeve and reciprocate, the bracing piece rotates and makes the layer board angle change, has reached the effect that can adjust the desktop height and change the textbook viewing angle, has solved current lectern and can't adjust the desktop height according to teacher's height, can't fix and change the problem of textbook support angle to the textbook.

2. This lectern for teaching comes the height of nimble desktop of adjusting through the height that can be according to teacher's body height, can be fixed the textbook and possess when needs blackboard writing or show teaching card and prevent the textbook and jump the page or leaf, can also adjust the viewing angle of textbook, prevents that the teacher from long-time bowing and arousing occupational disease and can not effectual observation student's learning state, alleviates teacher's working strength, improves teacher's teaching quality.

Drawings

FIG. 1 is a three-dimensional schematic diagram of the structure of the present invention;

fig. 2 is a front view of the structure of the present invention;

FIG. 3 is a rear view of the structure of the present invention;

fig. 4 is a left side view of the structure of the present invention.

In the figure: 1 supporting leg, 2 bearing plates, 3 fixed plates, 4 motors, 5 driving bevel gears, 6 driven bevel gears, 7 threaded rods, 8 threaded sleeves, 9 connecting rods, 10 sleeves, 11 supporting columns, 12 connecting bodies, 13 supporting plates, 14 connecting blocks A, 15 supporting plates, 16 flat-head clamps, 17 connecting blocks B, 18 supporting rods, 19 limiting rods, 20 card storage boxes, 21 bottom supporting plates and 22 transverse rods.

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.

Referring to fig. 1-4, a teaching lectern comprises a support leg 1, the top of the support leg 1 is fixedly connected with one side of the lower surface of a fixed plate 3, the lower surface of the fixed plate 3 is fixedly connected with the top of a support column 11, the bottom of the support column 11 is fixedly connected with one side of the upper surface of a bearing plate 2, one side of the bearing plate 2 is fixedly connected with the inner wall of the support leg 1, the middle of the upper surface of the bearing plate 2 is fixedly connected with the bottom of a motor 4, one side of the motor 4 is rotatably connected with one side of a driving bevel gear 5 through a rotating shaft, the outer surface of the driving bevel gear 5 is meshed with the outer surface of a driven bevel gear 6, the middle of the driven bevel gear 6 is sleeved with the outer surface of one end of a threaded rod 7, the direction of the thread arranged on the threaded rod 7 is opposite to the direction of the thread on the inner wall of a threaded sleeve, the other end of the threaded rod 7 is rotatably connected with the bottom of the fixed plate 3 through a bearing, and the surface of the middle part of the threaded rod 7 is in threaded connection with the inner wall of the threaded sleeve 8.

The middle part of one side of a threaded sleeve 8 is fixedly connected with one end of a connecting rod 9, the other end of the connecting rod 9 is fixedly connected with the bottom of one side of a connecting body 12, the other side of the connecting body 12 is fixedly connected with a cross rod 22, one side of the cross rod 22 is fixedly connected with one side of a sleeve 10, the inner wall of the sleeve 10 is sleeved with the outer surface of a supporting column 11, the rotation of the threaded sleeve 8 is limited, the up-and-down movement of the threaded sleeve 8 is ensured, the top of the connecting body 12 is fixedly connected with the bottom of a supporting plate 13, a card containing box 20 is arranged on the supporting plate 13, the number of the card containing boxes 20 is two, the two card containing boxes 20 are symmetrically distributed on one side of the top of the supporting plate 13, the removal and placement of teaching display cards are facilitated, the time is saved, ensure the stability of bracing piece 18, one side at backup pad 13 top and connecting block A14's bottom fixed connection, connecting block A14's middle part is passed through the bull stick and is connected with one side rotation of layer board 15, be provided with flat head clamp 16 on the layer board 15, and the quantity of flat head clamp 16 is two, two flat head clamp 16 symmetric distribution are in the both sides of layer board 15, make layer board 15's effect reinforcing, it can also be fixed not only to support alone, layer board 15's opposite side and one side fixed connection of bottom plate 21, one side of layer board 15 lower surface and connecting block B17's top fixed connection, the middle part of connecting block B17 is passed through the bull stick and is connected with the top rotation of bracing piece 18.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the novel desk is used, the motor 4 serves as power to drive the driving bevel gear 5 to rotate through the rotating shaft, the driving bevel gear 5 drives the driven bevel gear 6 to rotate, the driven bevel gear 6 drives the threaded rod 7 to rotate so that the threaded sleeve 8 can move up and down, the connecting body 12 drives the supporting plate 13 to move up and down, and the supporting rod 18 rotates to change the angle of the supporting plate 15, so that the effects of adjusting the height of the teacher's desk, fixing the textbook and adjusting the supporting angle of the textbook are achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lectern is used in teaching, includes supporting leg (1), its characterized in that: the top of the supporting leg (1) is fixedly connected with one side of the lower surface of the fixing plate (3), the lower surface of the fixing plate (3) is fixedly connected with the top of the supporting column (11), the bottom of the supporting column (11) is fixedly connected with one side of the upper surface of the bearing plate (2), one side of the bearing plate (2) is fixedly connected with the inner wall of the supporting leg (1), the middle of the upper surface of the bearing plate (2) is fixedly connected with the bottom of the motor (4), one side of the motor (4) is rotatably connected with one side of the driving bevel gear (5) through a rotating shaft, the outer surface of the driving bevel gear (5) is meshed with the outer surface of the driven bevel gear (6), the middle of the driven bevel gear (6) is sleeved with the outer surface of one end of the threaded rod (7), one end of the threaded rod (7) is rotatably connected with the other side of the upper surface of the bearing plate (2) through a bearing, the other, the surface of the middle part of the threaded rod (7) is in threaded connection with the inner wall of the threaded sleeve (8);

the middle part of threaded sleeve (8) one side and the one end fixed connection of connecting rod (9), the other end of connecting rod (9) and the bottom fixed connection of connector (12) one side, the top of connector (12) and the bottom fixed connection of backup pad (13), one side at backup pad (13) top and the bottom fixed connection of connecting block A (14), the middle part of connecting block A (14) is passed through the bull stick and is rotated with one side of layer board (15) and be connected, the opposite side of layer board (15) and one side fixed connection of bottom plate (21), one side of layer board (15) lower surface and the top fixed connection of connecting block B (17), the middle part of connecting block B (17) is passed through the bull stick and is rotated with the top of bracing piece (18) and be connected.

2. A lectern for teaching according to claim 1, wherein: the direction of the threads arranged on the threaded rod (7) is opposite to the direction of the threads on the inner wall of the threaded sleeve (8).

3. A lectern for teaching according to claim 1, wherein: the other side fixedly connected with horizontal pole (22) of connector (12), one side of horizontal pole (22) and one side fixed connection of sleeve pipe (10), and the inner wall of sleeve pipe (10) cup joints with the surface of support column (11).

4. A lectern for teaching according to claim 1, wherein: the supporting plate (15) is provided with two flat head clamps (16), and the two flat head clamps (16) are symmetrically distributed on two sides of the supporting plate (15).

5. A lectern for teaching according to claim 1, wherein: a limiting rod (19) is arranged on the supporting plate (13), and the limiting rod (19) is connected with the bottom of the supporting rod (18) in a clamping mode.

6. A lectern for teaching according to claim 1, wherein: be provided with card receiver (20) on backup pad (13), and the quantity of card receiver (20) is two, two card receivers (20) symmetric distribution in one side at backup pad (13) top.