CN209785335U - Portable education and teaching device - Google Patents

Abstract

The utility model relates to the technical field of teaching aids, in particular to a portable education and teaching device, which comprises a writing board, a supporting rod and a backing plate, wherein the surface of the writing board is provided with a butt joint groove, a rotating rod is bonded on the inner wall of the butt joint groove, the rotating rod runs through the setting of the supporting rod, a telescopic groove is arranged on the end surface of the supporting rod, a telescopic rod is inserted in the telescopic groove, a tension spring is bonded between the telescopic rod and the telescopic groove, the other end of the telescopic rod is bonded with the backing plate, the surface of the backing plate is provided with a butt joint screw hole, the inner part of the butt joint screw hole is screwed with a; the beneficial effects are that: the utility model provides a portable education and teaching device is convenient for the mr to write key content on the face, then handheld bracing piece is in the inside explanation of walking about in the classroom, mobilizes student's enthusiasm, and the classmate in each seat of being convenient for can both watch key content.

Description

portable education and teaching device

Technical Field

The utility model relates to a relevant technical field of teaching aid specifically is a portable education and teaching device.

background

In the teaching, a teacher uses a proper teaching tool, so that the enthusiasm of students in the learning process can be improved or mobilized, the improvement of the teaching effect is facilitated, and the teaching aid is a real object aiming at propagating science and technology and educating people, is a complete scientific and technological medium and is an indispensable device in the science and technology activities of teenagers;

In the prior art, the content written on the blackboard by the teacher cannot be ensured to be watched by students in all seats, the teaching quality is influenced, and the teacher who practices subjects lacks the blackboard when giving lessons outdoors and needing explanation; therefore, the utility model provides a portable education and teaching device is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable education and teaching device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable education and teaching device, includes clipboard, bracing piece and backing plate, the butt joint groove has been seted up on the surface of clipboard, it has the bull stick to bond on the inner wall in butt joint groove, the bull stick runs through the bracing piece setting, be provided with flexible groove on the terminal surface of bracing piece, it has the telescopic link to peg graft in the inside in flexible groove, it has extension spring to bond between telescopic link and the flexible groove, and the other end of telescopic link bonds and has the backing plate, the butt joint screw has been seted up on the surface of backing plate, the inside spiro union of butt joint screw has fastening screw, and the surface of bracing piece bonds and has the anti.

Preferably, the butt joint groove is "L" shape rectangular cylinder structure, and the butt joint groove is provided with two, and two butt joint grooves are around the long limit central symmetry of clipboard and distribute, and the bull stick is circular cylinder structure.

Preferably, the support rod is of a rectangular cylinder structure, one end of each of the two end faces of the support rod, which is not provided with the telescopic groove, is of a circular arc-shaped curved surface structure, the telescopic rod is of a T-shaped rectangular plate-shaped structure, and the end face with a large area of the two end faces of the telescopic rod is located inside the telescopic groove.

Preferably, the backing plate is of a trapezoidal cylinder structure, the rubber pad is bonded to the surface of the backing plate, and the end face with the small area in the two end faces of the backing plate is in contact with the supporting rod.

Preferably, the anti-pressing blocks are of a hemispherical structure and are arranged in a plurality of numbers, the anti-pressing blocks are distributed on the surfaces of the supporting rods in an up-down arrangement manner at equal intervals, and the anti-pressing blocks on the surfaces of the two supporting rods are distributed in a staggered manner.

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

1. The portable education and teaching device provided by the utility model is convenient for teachers to write the key contents on the board surface, then the supporting rod is held by hands to walk in a classroom for explanation, thereby mobilizing the enthusiasm of students, and being convenient for students in each seat to watch the key contents;

2. The utility model provides a portable education and teaching device is convenient for go out to carry and use, solves the problem that the outdoor explanation book of practice class mr nowhere was written.

Drawings

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

FIG. 2 is a schematic view of the structure of the butt-joint groove of the present invention;

FIG. 3 is a schematic view of the structure of the support rod of the present invention;

FIG. 4 is a schematic view of the structure of the backing plate of the present invention;

Fig. 5 is an enlarged view of a structure a in fig. 1.

In the figure: the writing board comprises a writing board 1, a butt joint groove 2, a rotating rod 3, a supporting rod 4, a telescopic groove 5, a telescopic rod 6, an extension spring 7, a base plate 8, a fastening screw rod 9, a butt joint screw hole 10 and a pressure-proof block 11.

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 to 5, the present invention provides a technical solution: a portable education and teaching device comprises a writing board 1, supporting rods 4 and base plates 8, wherein the surface of the writing board 1 is provided with two butt joint grooves 2, rotating rods 3 are bonded on the inner walls of the butt joint grooves 2, the butt joint grooves 2 are of L-shaped rectangular cylinder structures, the two butt joint grooves 2 are symmetrically distributed about the centers of the long edges of the writing board 1, the rotating rods 3 are of circular cylinder structures, the two base plates 8 are outwards tensioned from the two sides of the writing board 1, and then the supporting rods 4 are rotated by ninety degrees around the rotating rods 3;

the rotating rod 3 penetrates through the supporting rod 4, a telescopic groove 5 is formed in the end face of the supporting rod 4, a telescopic rod 6 is inserted into the telescopic groove 5, an extension spring 7 is bonded between the telescopic rod 6 and the telescopic groove 5, the supporting rod 4 is of a rectangular cylinder structure, one end, not provided with the telescopic groove 5, of the two end faces of the supporting rod 4 is of an arc-shaped curved surface structure, the telescopic rod 6 is of a T-shaped rectangular plate-shaped structure, and the end face with a large area in the two end faces of the telescopic rod 6 is located inside the telescopic groove 5;

The other end of the telescopic rod 6 is bonded with a base plate 8, the surface of the base plate 8 is provided with a butt joint screw hole 10, a fastening screw 9 is screwed in the butt joint screw hole 10, the base plate 8 is in a trapezoidal cylinder structure, a rubber pad is bonded on the surface of the base plate 8, the end face with small area in the two end faces of the base plate 8 is in contact with the support rod 4, the telescopic rod 6 is matched with the extension spring 7 to realize the position change of the base plate 8, and the support rod 4 can be conveniently stored and taken out from the;

The surface of bracing piece 4 bonds and has prevents briquetting 11, prevents briquetting 11 and is the hemisphere structure, prevents briquetting 11 and is provided with a plurality ofly, a plurality ofly prevents briquetting 11 equidistance equidimensions and is to arrange from top to bottom and distribute on bracing piece 4 is surperficial, two bracing pieces 4 surperficial prevent briquetting 11 dislocation alternate distribution, prevent briquetting 11 dislocation between two bracing pieces 4 and detain mutually, avoid fastening screw 9 locking in-process, bracing piece 4 is buckled in the notch department of butt joint groove 2.

the working principle is as follows: in the actual work, distribute two backing plates 8 of outside stretch-draw from clipboard 1's both sides, then rotate ninety degrees with bracing piece 4 around bull stick 3, at this moment, the briquetting 11 crisscross looks of preventing on two bracing piece 4 surfaces is detained, twist the backing plate 8 of one side on the surface fastening screw 9 in the butt joint screw 10 of 8 surfaces of opposite side backing plates soon after that, realize that two bracing piece 4's connection is fixed, hold bracing piece 4 portable clipboard 1 and walk to give lessons in the classroom, and easy operation is convenient, and clipboard 1 stands when backing plate 8 can be placed on the podium, the rubber pad on backing plate 8 surfaces is convenient for extrude the butt joint in butt joint groove 2, it is not hard up when butt joint in butt joint groove 2 to avoid backing plate 8 to dock inside.

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 (5)

1. the utility model provides a portable education and teaching device, includes clipboard (1), bracing piece (4) and backing plate (8), its characterized in that: the utility model discloses a writing board, including clipboard (1), writing board, telescopic link (6), bracing piece (4), telescopic link (6), expansion link (6) and telescopic groove (5), the other end of telescopic link (6) bonds and has backing plate (8), butt joint screw hole (10) have been seted up on the surface of backing plate (8), the inside spiro union of butt joint screw hole (10) has fastening screw (9), and the surface of bracing piece (4) bonds and has prevents briquetting (11), the bull stick (3) have been bonded on the inner wall in butt joint groove (2), bull stick (3) run through bracing piece (4) and set up, be provided with telescopic groove (5) on the terminal surface of bracing piece (4), the inside grafting in telescopic groove (5) has telescopic link (6), it has extension spring (7) to bond between telescopic.

2. A portable educational teaching device in accordance with claim 1, wherein: butt joint groove (2) are "L" shape rectangular cylinder structure, and butt joint groove (2) are provided with two, and two butt joint grooves (2) are circular cylinder structure about the long limit central symmetry of clipboard (1) distributes, bull stick (3).

3. A portable educational teaching device in accordance with claim 1, wherein: the support rod (4) is of a rectangular cylinder structure, one end, which is not provided with the telescopic groove (5), of the two end faces of the support rod (4) is of a circular arc-shaped curved surface structure, the telescopic rod (6) is of a T-shaped rectangular plate structure, and the end face, which is large in area, of the two end faces of the telescopic rod (6) is located inside the telescopic groove (5).

4. A portable educational teaching device in accordance with claim 1, wherein: the backing plate (8) is of a trapezoidal cylinder structure, the surface of the backing plate (8) is bonded with a rubber pad, and the end face with small area in the two end faces of the backing plate (8) is in contact with the support rod (4).

5. a portable educational teaching device in accordance with claim 1, wherein: the anti-pressing blocks (11) are of a hemispherical structure, the anti-pressing blocks (11) are arranged in an up-down mode and distributed on the surfaces of the supporting rods (4) in an equidistance mode, and the anti-pressing blocks (11) on the surfaces of the two supporting rods (4) are distributed in a staggered mode.