CN216119178U

CN216119178U - Writing board rack

Info

Publication number: CN216119178U
Application number: CN202120246041.4U
Authority: CN
Inventors: 李�杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2022-03-22
Anticipated expiration: 2031-01-28

Abstract

The utility model relates to the technical field of English teaching, in particular to a writing board frame which comprises a bottom plate, wherein three telescopic supporting legs are fixedly connected to the lower surface of the bottom plate, the three telescopic supporting legs are circumferentially and uniformly distributed on the lower surface of the bottom plate, vertical plates are respectively and fixedly connected to two sides of the upper surface of the bottom plate, a connecting shaft is rotatably connected between the two vertical plates through a rotating shaft, a mounting plate is fixedly connected to the upper end of the connecting shaft, a writing board body is fixedly connected to the upper surface of the mounting plate, a limiting mechanism is arranged between the lower end of the connecting shaft and one of the vertical plates, the limiting mechanism comprises a connecting sheet and a threaded rod, the connecting sheet is fixedly connected to the lower end of the connecting shaft, the threaded rod is in threaded connection with the vertical plate in a penetrating mode, and a plurality of threaded holes are uniformly formed in one side of the connecting sheet. The writing board frame can conveniently adjust the height position and the angle position, thereby being convenient for primary school students to watch.

Description

Writing board rack

Technical Field

The utility model relates to the technical field of English teaching, in particular to a writing board frame.

Background

The tablet commonly used among the prior art is either people hold and use, or fixed mounting is on a shelf, however, this kind of tablet is immovable, can't carry out the regulation of high position and the regulation of angular position, often can bring inconvenience for watching of student, is not convenient for watching of student, also does not benefit to student's memory process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the prior writing board in the prior art is fixed, cannot be adjusted in height and angle and is inconvenient for students to watch.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a writing board frame is designed, which comprises a bottom plate, wherein the lower surface of the bottom plate is fixedly connected with three telescopic supporting legs, and the three telescopic supporting legs are circumferentially and uniformly distributed on the lower surface of the bottom plate, the two sides of the upper surface of the bottom plate are respectively and fixedly connected with a vertical plate, a connecting shaft is rotatably connected between the two vertical plates through a rotating shaft, the upper end of the connecting shaft is fixedly connected with a mounting plate, the upper surface of the mounting plate is fixedly connected with a writing board body, a limiting mechanism is arranged between the lower end of the connecting shaft and one of the vertical plates, the limiting mechanism comprises a connecting sheet and a threaded rod, the connecting piece is fixedly connected with the lower end of the connecting shaft, the threaded rod is in threaded connection with the vertical plate in a penetrating way, a plurality of threaded holes are uniformly formed in one side of the connecting piece, and one end of the threaded rod is in threaded connection with one of the threaded holes.

Preferably, the telescopic supporting legs comprise sleeve rods and sleeves, the sleeve rods are fixedly connected to the lower surface of the bottom plate, the sleeves are arranged below the sleeve rods, the lower ends of the sleeve rods are inserted into the sleeves and fixedly connected with limiting blocks, and fastening bolts are connected to the upper portions of the outer side walls of the sleeves in a penetrating mode through threads.

Preferably, the lower end of the sleeve is fixedly connected with a rubber block, and the rubber block is a hemispherical structural part.

Preferably, the connecting sheet is an arc-shaped structural member.

Preferably, an integrated structure is arranged between the bottom plate and the two vertical plates.

The writing board frame provided by the utility model has the beneficial effects that: on one hand, the writing board frame is provided with telescopic supporting legs, the height position of the bottom plate can be adjusted through the arrangement of the sleeve rod, the sleeve pipe, the limiting block, the fastening bolt and the rubber block, so that the writing board has a height adjusting function, the height position of the writing board can be correspondingly adjusted according to actual use requirements, and viewing of pupils can be facilitated; on the other hand, a connecting shaft and a limiting mechanism are designed, and through the arrangement of the connecting sheet, the threaded hole and the threaded rod, when the threaded rod is screwed out of the threaded hole, the connecting sheet can swing back and forth between the two vertical plates under the connection of the connecting shaft, so that the tablet body can rotate along with the connecting shaft, and the angle position of the tablet body is correspondingly changed; and then the threaded rod is screwed into the corresponding threaded hole, so that the writing board body can be limited and fixed. Therefore, through the design, the angle position of the writing board body can be conveniently adjusted, the writing board has the function of adjusting the angle position, the angle position can be conveniently adjusted according to actual use requirements, and therefore viewing of pupils is greatly facilitated. Therefore, through the design, the height position and the angle position of the writing board can be conveniently adjusted, and the primary school students can conveniently watch the writing board.

Drawings

Fig. 1 is a schematic structural diagram of a tablet rack according to the present invention.

Fig. 2 is a structural side view of the limiting mechanism in fig. 1.

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

Fig. 4 is a structural sectional view of the telescopic leg of fig. 1.

In the figure: the writing board comprises a bottom plate 1, telescopic supporting legs 2, a loop bar 21, a sleeve 22, a limiting block 23, a fastening bolt 24, a rubber block 25, a vertical plate 3, a connecting shaft 4, a mounting plate 5, a writing board body 6, a limiting mechanism 7, a connecting sheet 71, a threaded hole 72 and a threaded rod 73.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention,

example 1

Referring to fig. 1-4, a writing board frame, including

bottom plate

1, 1 lower fixed surface of bottom plate is connected with three flexible landing leg 2, and three flexible landing leg 2 is circumference evenly distributed on the lower surface of bottom plate 1, flexible landing leg 2 can stretch out and draw back and adjust, so, the length of flexible landing leg 2 just can be adjusted, thereby can adjust the high position of bottom plate 1, make this writing board possess height-adjustable's function, this writing board can be according to actual user demand and then adjust its high position correspondingly, thereby can make things convenient for viewing of pupil.

The both sides of 1 upper surface of bottom plate are equallyd divide respectively fixedly connected with riser 3, formula structure as an organic whole between bottom plate 1 and two riser 3.

Rotationally be connected with connecting axle 4 through the pivot between two risers 3, the upper end fixedly connected with mounting panel 5 of connecting axle 4, fixed surface is connected with tablet body 6 on the mounting panel 5, is provided with stop gear 7 between the lower extreme of connecting axle 4 and one of them riser 3, and stop gear 7 includes connection piece 71 and threaded rod 73, and connection piece 71 fixed connection is at the lower extreme of connecting axle 4, and connection piece 71 is the arc structure spare.

The threaded rod 73 is in threaded connection with the vertical plates 3 in a penetrating manner, a plurality of threaded holes 72 are uniformly formed in one side of the connecting piece 71, one end of the threaded rod 73 is in threaded connection with one of the threaded holes 72, and through the arrangement of the connecting piece 71, the threaded holes 72 and the threaded rod 73, when the threaded rod 73 is screwed out of the threaded hole 72, the connecting piece 71 can swing back and forth between the two vertical plates 3 under the connection of the connecting shaft 4, so that the tablet body 6 can rotate correspondingly, and the angular position of the tablet body 6 is correspondingly changed; and the threaded rod 73 is screwed into the corresponding threaded hole 72, so that the writing board body 6 can be limited and fixed. Therefore, through the design, the angle position of the writing board body 6 can be conveniently adjusted, so that the writing board has the function of adjusting the angle position, the angle position of the writing board can be conveniently adjusted according to actual use requirements, and the primary school students can watch the writing board conveniently.

Example 2

Referring to fig. 1 and 4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the telescopic leg 2 includes a loop bar 21 and a sleeve 22, the loop bar 21 is fixedly connected to the lower surface of the base plate 1, the sleeve 22 is provided below the loop bar 21, the lower end of the loop bar 21 is inserted in the sleeve 22 and is fixedly connected with a limit block 23, the upper part of the outer side wall of the sleeve 22 is in threaded connection with a fastening bolt 24 in a penetrating way, the lower end of the sleeve 22 is fixedly connected with a rubber block 25, the rubber block 25 is a hemispherical structural member, through the arrangement of the loop bar 21, the sleeve 22, the limited block 23, the fastening bolt 24 and the rubber block 25, thereby being capable of adjusting the height position of the bottom plate 1, leading the writing board to have the function of height adjustment, the writing board can adjust the height position thereof correspondingly according to the actual use requirement, thereby being convenient for the viewing of pupils.

Claims

1. The utility model provides a writing board frame, includes bottom plate (1), its characterized in that, bottom plate (1) lower fixed surface is connected with three telescopic leg (2), and three telescopic leg (2) are circumference and distribute evenly on the lower surface of bottom plate (1), respectively fixedly connected with riser (3) are equallyd divide to the both sides of bottom plate (1) upper surface, two rotationally be connected with connecting axle (4) through the pivot between riser (3), the upper end fixedly connected with mounting panel (5) of connecting axle (4), fixed surface is connected with writing board body (6) on mounting panel (5), the lower extreme of connecting axle (4) and one of them be provided with stop gear (7) between riser (3), stop gear (7) include connection piece (71) and threaded rod (73), connection piece (71) fixed connection is in the lower extreme of connecting axle (4), the threaded rod (73) is in threaded connection with the vertical plate (3) in a penetrating mode, a plurality of threaded holes (72) are uniformly formed in one side of the connecting piece (71), and one end of the threaded rod (73) is in threaded connection with one of the threaded holes (72).

2. The tablet rack according to claim 1, wherein the telescopic legs (2) comprise a sleeve rod (21) and a sleeve pipe (22), the sleeve rod (21) is fixedly connected to the lower surface of the bottom plate (1), the sleeve pipe (22) is arranged below the sleeve rod (21), the lower end of the sleeve rod (21) is inserted into the sleeve pipe (22) and is fixedly connected with a limiting block (23), and a fastening bolt (24) is in threaded connection with the upper position of the outer side wall of the sleeve pipe (22) in a penetrating manner.

3. A tablet support according to claim 2, characterised in that the lower end of the sleeve (22) is fixedly connected with a rubber block (25), and the rubber block (25) is a hemispherical structure.

4. A tablet support according to claim 1, characterised in that the connecting tab (71) is an arcuate formation.

5. A tablet support according to claim 1, characterised in that the base plate (1) and the two risers (3) are of one piece construction.