CN211928824U

CN211928824U - Universal support for online teaching terminal

Info

Publication number: CN211928824U
Application number: CN202021076454.4U
Authority: CN
Inventors: 李桃; 曹琳
Original assignee: Central South University of Forestry and Technology
Current assignee: Central South University of Forestry and Technology
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-11-13
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a universal support of an online teaching terminal, which comprises a first support, wherein a first writing board is arranged on the left side of the first support, the bottom surface of the first support is fixedly connected with one ends of two telescopic rods, the other end of the telescopic rod is fixedly connected with the top surface of a support plate, the bottom surface of the support plate is fixedly connected with the top end of an inverted V-shaped support frame, the bottom end of the inverted V-shaped support frame is fixedly connected with the top surface of a bottom plate, and four corners of the bottom surface of the bottom plate are fixedly provided with moving; first clipboard is the cavity structure, a set of draw-in groove has set firmly in the first clipboard, and is a set of the quantity of draw-in groove is two, and is a set of two joint have the second clipboard in the draw-in groove. The utility model increases the writing area and reduces the frequency of the teaching personnel for wiping the writing board by pulling the second writing board out of the first writing board; through the flexible length of adjusting the telescopic link, and then adjust the height of support, make the support be applicable to the teaching personnel of different heights, the teaching personnel of being convenient for use.

Description

Universal support for online teaching terminal

Technical Field

The utility model relates to a teaching aid field especially relates to an universal stand at online teaching terminal.

Background

The online teaching is to carry out teaching through a network, so that the learner can learn at any time and any place, a support is required to be used in the online teaching process, the support is a rack with a writing board, the writing board can be hung in the air, and the writing board is used for writing down important contents in the teaching process so as to be convenient for the learner to better master and remember the learned contents.

The existing teaching support is often small in writing board area, so that teaching personnel can write and wipe while writing, fluency of teaching is not facilitated, and notes are not facilitated for students; and current teaching support, often the structure is fairly simple, the position of clipboard is relatively fixed, height and angle can not be adjusted, and this has brought certain inconvenient part for the teaching personnel to a certain extent, because everybody's size is different, the height of support and the angle of clipboard if can not adjust, every teaching personnel of adaptation that just can not be fine, can increase teaching personnel's burden like this, also have harm to teaching personnel's health in the past for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an universal stand at online teaching terminal to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

a universal support of an online teaching terminal comprises a first support, wherein a first writing board is arranged on the left side of the first support, and the first support is hinged with the first writing board through a hinge; the bottom surface of the first support is fixedly connected with one end of each of two telescopic rods, the other end of each telescopic rod is fixedly connected with the top surface of the support plate, the bottom surface of the support plate is fixedly connected with the top end of the inverted V-shaped support frame, the bottom end of the inverted V-shaped support frame is fixedly connected with the top surface of the bottom plate, and four corners of the bottom surface of the bottom plate are fixedly provided with moving mechanisms; first clipboard is the cavity structure, a set of draw-in groove has set firmly in the first clipboard, and is a set of the quantity of draw-in groove is two, and is a set of two joint have the second clipboard in the draw-in groove.

Preferably, a handle is fixedly arranged on one side of the two second writing boards, which is far away from the first writing board.

Preferably, the first writing board and the second writing board are both magnetic boards.

Preferably, a magnetic sticker is adsorbed on the left side surface of the first writing board.

Preferably, a storage rack is fixedly arranged at the bottom of the left side of the first support.

Preferably, a transverse plate is fixedly arranged in the first support, a threaded hole penetrates through the transverse plate and is connected with the screw rod in a threaded manner, and one end of the screw rod penetrates through the threaded hole and is in contact with the right side face of the first writing plate.

Preferably, moving mechanism includes a connecting block, a drum, a spring, a universal wheel mounting bracket, a universal wheel, bottom plate bottom surface and connecting block top surface rigid coupling, connecting block bottom surface and spring one end rigid coupling, the spring sets up in the drum, the connecting block lower extreme is pegged graft with the drum, the drum bottom surface is connected with the universal wheel mounting bracket rotation, install the universal wheel on the universal wheel mounting bracket.

Preferably, the upper end of the connecting block is provided with an external thread, the cylinder is internally provided with an internal thread, and the external thread is in threaded fit with the internal thread.

The utility model has the advantages that:

1. the utility model pulls the handle to pull the second writing board out of the first writing board, thereby increasing the writing area and reducing the frequency of the teaching personnel for wiping the writing board; through the flexible length of adjusting the telescopic link, and then adjust the height of support, make the support be applicable to the teaching personnel of different heights, the teaching personnel of being convenient for use.

2. The utility model discloses a rotating the screw rod, making the screw rod left end drive first clipboard lower part and removing, reaching the purpose of adjusting first clipboard angle, the teaching personnel of being convenient for write, avoided first clipboard reflection of light simultaneously, what make the student more clear sees on the first clipboard content.

3. The utility model discloses a set up spring, drum, when the utility model discloses remove when the uneven road surface of process, the spring in the drum can play certain cushioning effect, avoids first support, first writing board to take place excessive rocking, has protected the utility model discloses; the connecting block is pressed downwards, and then the cylinder is rotated to enable the internal thread on the cylinder to be in threaded connection with the external thread on the connecting block, so that the shaking of the utility model caused by the expansion and contraction of the spring when a teaching worker writes can be avoided; use the utility model discloses the time, if when meeting ground unevenness, external screw thread and internal screw thread threaded connection length are adjusted to the accessible, and then adjust four moving mechanism's height, make the device perpendicular to ground, the teaching personnel of being convenient for use.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is a schematic structural view of the moving mechanism of the present invention;

reference numerals: 1. a first bracket; 2. a hinge; 3. a first writing pad; 4. a telescopic rod; 5. a support plate; 6. an inverted V-shaped support frame; 7. a base plate; 8. a moving mechanism; 9. a storage rack; 10. a card slot; 11. a second writing board; 12. a handle; 13. a screw; 14. a transverse plate; 15. magnetic paste; 16. connecting blocks; 17. a cylinder; 18. a spring; 19. a universal wheel mounting bracket; 20. a universal wheel.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and 3, the universal stand for the online teaching terminal comprises a first stand 1, wherein a first writing board 3 is arranged on the left side of the first stand 1, and the first stand 1 is hinged to the first writing board 3 through a hinge 2; the bottom surface of the first bracket 1 is fixedly connected with one end of two telescopic rods 4, the other end of each telescopic rod 4 is fixedly connected with the top surface of a supporting plate 5, the bottom surface of each supporting plate 5 is fixedly connected with the top end of an inverted V-shaped supporting frame 6, the bottom end of each inverted V-shaped supporting frame 6 is fixedly connected with the top surface of a bottom plate 7, and four corners of the bottom surface of each bottom plate 7 are fixedly provided with a; first clipboard 3 is the cavity structure, has set firmly a set of draw-in groove 10 in the first clipboard 3, and the quantity of a set of draw-in groove 10 is two, and joint two have second clipboard 11 in a set of draw-in groove 10, and one side that two second clipboards 11 deviate from mutually has set firmly handle 12, and first clipboard 3, second clipboard 11 all are the magnetic force board, and it has magnetic force subsides 15 to adsorb on the 3 left surfaces of first clipboard.

The working principle is as follows: when the writing board is used, the second writing board 11 is pulled out of the first writing board 3 by pulling the handle 12, so that the writing area is increased, the frequency of wiping the writing board by a teaching person is reduced, and the writing board is convenient for the student to take notes; the stress area of the device is increased and the stability of the device is enhanced by arranging the inverted V-shaped support frame 6 and the bottom plate 7; the height of the support is adjusted by adjusting the telescopic length of the telescopic rod 4, so that the support is suitable for teaching personnel with different heights and is convenient for the teaching personnel to use; through setting up magnetic force clipboard and magnetic force subsides 15, the teaching personnel can press from both sides some pictures, documents and put on the clipboard, and the student of being convenient for consults, has richened the course content, has improved the teaching quality.

Example 2

As shown in fig. 1 to 2, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: the storage rack 9 is fixedly arranged at the bottom of the left side of the first support 1, the transverse plate 14 is fixedly arranged in the first support 1, a threaded hole is formed in the transverse plate 14 in a penetrating mode, the threaded hole is in threaded connection with the screw rod 13, and one end of the screw rod 13 penetrates through the threaded hole to be in contact with the right side face of the first writing plate 3.

The working principle is as follows: by arranging the storage rack 9, teaching personnel can place teaching tools such as writing pens, blackboard erasers, rulers and the like on the storage rack 9, so that the teaching personnel can quickly take the teaching tools; through forward rotation screw rod 13, make screw rod 13 remove left gradually, make screw rod 13 left end promote first clipboard 3 lower part and remove left, reach the purpose of adjusting 3 angles of first clipboard, the teaching personnel of being convenient for write, adjust the angle of first clipboard 3 simultaneously, also can avoid the reflection of light of first clipboard 3, make the content on the clearer first clipboard 3 of seeing of student.

Example 3

As shown in fig. 4, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: moving mechanism 8 includes a connecting block 16, a drum 17, a spring 18, a universal wheel mounting bracket 19, a

universal wheel

20, 7 bottom surfaces of bottom plate and the 16 top surface rigid couplings of connecting block, 16 bottom surfaces of connecting block and the 18 one end rigid couplings of spring, spring 18 sets up in

drum

17, 16 lower extremes of connecting block are pegged graft with drum 17, drum 17 bottom surface rotates with universal wheel mounting bracket 19 to be connected, install universal wheel 20 on the universal wheel mounting bracket 19, the 16 upper ends of connecting block are provided with the external screw thread, be provided with the internal thread in drum 17, external screw thread and internal thread screw-thread fit.

The working principle is as follows: when the device needs to be moved in a short distance, the universal wheels 20 drive the device to move by pushing the first support 1, so that the strength of an operator is saved; when the device moves across uneven road surfaces, the spring 18 in the cylinder 17 can play a certain buffering role, so that the first bracket 1 and the first writing board 3 are prevented from excessively shaking, and the device is protected; the upper end of the connecting block 16 enters the cylinder 17 by pressing the connecting block 16 downwards, and the internal thread on the cylinder 17 is in threaded connection with the external thread on the connecting block 16 by rotating the cylinder 17, so that the device can be prevented from shaking caused by the expansion and contraction of the spring 18 when a teaching worker writes; when using the device, if when meeting ground unevenness, the accessible is adjusted external screw thread and internal screw thread threaded connection length, and then is adjusted four moving mechanism 8's height, makes the device perpendicular to ground, and the teaching personnel of being convenient for use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a universal stand at online teaching terminal, includes first support (1), its characterized in that:

a first writing board (3) is arranged on the left side of the first support (1), and the first support (1) is hinged with the first writing board (3) through a hinge (2); the bottom surface of the first support (1) is fixedly connected with one end of each of two telescopic rods (4), the other end of each telescopic rod (4) is fixedly connected with the top surface of the support plate (5), the bottom surface of the support plate (5) is fixedly connected with the top end of the inverted V-shaped support frame (6), the bottom end of the inverted V-shaped support frame (6) is fixedly connected with the top surface of the bottom plate (7), and four corners of the bottom surface of the bottom plate (7) are fixedly provided with moving mechanisms (8); first clipboard (3) are the cavity structure, first clipboard (3) internal fixation has a set of draw-in groove (10), and is a set of the quantity of draw-in groove (10) is two, and is a set of draw-in groove (10) internal joint two has second clipboard (11).

2. The universal stand for the on-line teaching terminal according to claim 1, wherein: and a handle (12) is fixedly arranged on one side of the two second writing boards (11) which deviates from each other.

3. The universal stand for the on-line teaching terminal according to claim 1, wherein: the first writing board (3) and the second writing board (11) are magnetic boards.

4. The universal support for the on-line teaching terminal as claimed in claim 3, wherein: the left side surface of the first writing board (3) is adsorbed with a magnetic sticker (15).

5. The universal stand for the on-line teaching terminal according to claim 1, wherein: and a storage rack (9) is fixedly arranged at the bottom of the left side of the first support (1).

6. The universal support for the on-line teaching terminal as claimed in claim 5, wherein: the novel writing board is characterized in that a transverse plate (14) is fixedly arranged in the first support (1), a threaded hole is formed in the transverse plate (14) in a penetrating mode and is connected with a screw rod (13) in a threaded mode, and one end of the screw rod (13) penetrates through the threaded hole and is in contact with the right side face of the first writing board (3).

7. The universal stand for the on-line teaching terminal according to claim 1, wherein: moving mechanism (8) include a connecting block (16), a drum (17), a spring (18), a universal wheel mounting bracket (19), a universal wheel (20), bottom plate (7) bottom surface and connecting block (16) top surface rigid coupling, connecting block (16) bottom surface and spring (18) one end rigid coupling, spring (18) set up in drum (17), connecting block (16) lower extreme is pegged graft with drum (17), drum (17) bottom surface is rotated with universal wheel mounting bracket (19) and is connected, install universal wheel (20) on universal wheel mounting bracket (19).

8. The universal stand for the on-line teaching terminal according to claim 7, wherein: the connecting block (16) upper end is provided with the external screw thread, be provided with the internal thread in drum (17), external screw thread and internal thread screw-thread fit.