CN214752316U

CN214752316U - Portable adjustable education and teaching universal teaching aid

Info

Publication number: CN214752316U
Application number: CN202121210862.9U
Authority: CN
Inventors: 陈婷婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-16
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a general teaching aid of education and teaching with adjustable it is portable, including first box body and board, one side activity hinge of first box body has the second box body, the inside difference fixedly connected with board of first box body and second box body, the inside top of first box body is provided with supplementary screen structure of throwing, the bottom of first box body is provided with the base. This general teaching aid of education and teaching with adjustable it is portable is through being provided with a screw thread section of thick bamboo, the carousel, the spacing groove, spacing piece and screw shaft, when using, rotate the carousel, the carousel drives a screw thread section of thick bamboo and rotates, screw thread section of thick bamboo drive screw shaft upwards ejecting gradually, spacing piece slides in the spacing inslot portion at this moment and plays spacing effect, just so can make first box body constantly rise, be convenient for adjust the height of board on first box body and the second box body according to the needs that use, can satisfy the needs that use, what solve is inconvenient carries out the lift adjustment according to the needs that use, can not satisfy the problem of the needs that use.

Description

Portable adjustable education and teaching universal teaching aid

Technical Field

The utility model relates to an education and teaching aid technical field specifically is a general teaching aid of education and teaching with adjustable it is portable.

Background

At colleges and universities 'education and teaching's in-process, need write the demonstration through this kind of teaching aid of demonstration board to the student is to understanding of knowledge, and most demonstration boards are all fixed in specific classroom, but when the classroom that does not have the demonstration board carries out education and teaching, just need carry the demonstration board by oneself, but the general teaching aid of current education and teaching has following problem and defect: the volume is large, and the storage and the carrying are very inconvenient; the lifting adjustment is inconvenient to carry out according to the use requirement, and the use requirement cannot be met; the screen projection demonstration cannot be carried out, and the functionality is insufficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a general teaching aid of education and teaching with adjustable it is portable to it is great to provide the volume in solving above-mentioned background art, accomodates and carries very inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a portable adjustable teaching aid for education and teaching comprises a first box body and a writing board, wherein one side of the first box body is movably hinged with a second box body, the interiors of the first box body and the second box body are respectively and fixedly connected with the writing board, an auxiliary screen projecting structure is arranged at the top end of the interior of the first box body, a base is arranged at the bottom end of the first box body, a lifting adjusting structure is arranged between the bottom end of the first box body and the top end of the base, handles are respectively and fixedly connected to the top ends of the first box body and the second box body, and a structure convenient to store and carry is arranged between the first box body and the second box body;

the convenient-to-store and carry structure comprises a clamping plate, the clamping plate is fixedly connected to the middle position of one side of the second box body, the clamping groove is fixedly connected to the middle position of one side of the first box body, the rear end of one side of the top of the first box body is fixedly connected with a magnet south pole, and the rear end of one side of the top of the second box body is fixedly connected with a magnet north pole.

Preferably, the outer diameter of the clamping plate is smaller than the inner diameter of the clamping groove, and a clamping structure is formed between the clamping plate and the clamping groove.

Preferably, the lift adjustment structure comprises a screw thread section of thick bamboo, carousel, spacing groove, spacing piece and threaded shaft, screw thread section of thick bamboo swing joint is in the intermediate position department on base top, the outside bottom fixedly connected with carousel of screw thread section of thick bamboo, threaded shaft fixed connection is in the intermediate position department of first box body bottom, spacing piece fixed connection is in one side of first box body bottom, one side on base top is connected to spacing groove fixed connection.

Preferably, one side of the limiting sheet is embedded in the limiting groove, and the limiting sheet forms sliding connection in the limiting groove.

Preferably, the thread on the outer part of the threaded shaft is matched with the thread on the inner part of the threaded cylinder, and the threaded cylinder and the threaded shaft form a threaded connection.

Preferably, supplementary screen structure of throwing comprises throwing screen curtain, pendant strip, wind-up roll and commentaries on classics handle, wind-up roll swing joint is on the inside top of first box body, the outside coiling of wind-up roll has throws the screen curtain, the one end fixedly connected with pendant strip of throwing the screen curtain, one side of wind-up roll runs through to the outside of first box body and fixedly connected with commentaries on classics handle.

Compared with the prior art, the beneficial effects of the utility model are that: the portable adjustable teaching aid for education and teaching not only realizes folding and unfolding, is very convenient to store and carry, realizes convenient lifting adjustment according to use requirements, can meet the use requirements, but also realizes screen projection demonstration, and has sufficient functionality;

(1) by arranging the structure convenient to store and carry, which comprises the clamping plate, the clamping plate is fixedly connected at the middle position of one side of the second box body, the middle position of one side of the first box body is fixedly connected with the clamping groove, the rear ends of the top and bottom sides of the first box body are fixedly connected with the magnet south poles, and the rear ends of the top and bottom sides of the second box body are fixedly connected with the magnet north poles, when in use, the second box body is overturned to one side of the first box body, at the moment, the magnet north poles on the second box body and the magnet south poles on the first box body can be mutually adsorbed, so that the first box body and the second box body can be fixed when being unfolded, the first box body and the second box body are prevented from automatically closing up, when the universal teaching aid is carried and transported, the second box body is manually overturned to be closed up with the first box body, and the clamping plate is clamped into the clamping groove, and the closed fixation between the first box body and the second box body is realized, therefore, the volume of the universal teaching aid can be reduced when the universal teaching aid is carried and carried, and the universal teaching aid is convenient to carry and carry;

(2) by arranging the threaded cylinder, the rotary table, the limiting groove, the limiting piece and the threaded shaft, when the writing board is used, the rotary table is rotated, the rotary table drives the threaded cylinder to rotate, the threaded cylinder drives the threaded shaft to be gradually ejected upwards, and the limiting piece slides in the limiting groove to play a limiting effect, so that the first box body can be continuously lifted, the heights of the writing boards on the first box body and the second box body can be conveniently adjusted according to use requirements, and the use requirements can be met;

(3) through being provided with throw screen curtain, pendant strip, wind-up roll and change the handle, throw the screen and demonstrate the teaching time when needs use, rotate and change the handle, change and rotate the drive wind-up roll, the wind-up roll will throw screen cloth and emit downwards, throw screen cloth and descend and extend under the action of gravity of pendant strip straight line, just so can throw the cell-phone or throw the content demonstration on the screen equipment on throwing the screen curtain, improved the functionality of this general teaching aid greatly.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged partial cross-sectional view of the utility model at a in fig. 1;

FIG. 3 is an enlarged front view of a partial section of the elevation adjustment structure of the present invention;

fig. 4 is a schematic structural diagram of the second box body of the present invention closing up the first box body.

In the figure: 1. a first case; 2. a writing board; 3. a lifting adjustment structure; 301. a threaded barrel; 302. a turntable; 303. a limiting groove; 304. a limiting sheet; 305. a threaded shaft; 4. a base; 5. a second box body; 6. clamping a plate; 7. a handle; 8. an auxiliary screen projecting structure; 801. projecting a screen; 802. a pendant strip; 803. a wind-up roll; 804. turning a handle; 9. a card slot; 10. a north pole of the magnet; 11. the magnet is south.

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 1: referring to fig. 1-4, a portable adjustable teaching aid for education and teaching comprises a first box body 1 and a writing board 2, wherein one side of the first box body 1 is movably hinged with a second box body 5, the writing board 2 is fixedly connected inside the first box body 1 and the second box body 5 respectively, an auxiliary screen projecting structure 8 is arranged at the top end inside the first box body 1, a base 4 is arranged at the bottom end of the first box body 1, a lifting adjusting structure 3 is arranged between the bottom end of the first box body 1 and the top end of the base 4, handles 7 are fixedly connected at the top ends of the first box body 1 and the second box body 5 respectively, and a structure convenient to store and carry is arranged between the first box body 1 and the second box body 5;

referring to fig. 1-4, the portable adjustable teaching aid for education and teaching further comprises a portable structure, the portable structure comprises a clamping plate 6, the clamping plate 6 is fixedly connected to the middle position of one side of the second box body 5, the middle position of one side of the first box body 1 is fixedly connected with a clamping groove 9, the rear end of one side of the top of the first box body 1 is fixedly connected with a magnet south pole 11, and the rear end of one side of the top of the second box body 5 is fixedly connected with a magnet north pole 10;

the outer diameter of the clamping plate 6 is smaller than the inner diameter of the clamping groove 9, and a clamping structure is formed between the clamping plate 6 and the clamping groove 9, so that the first box body 1 and the second box body 5 can be conveniently fixed after being closed;

specifically, as shown in fig. 1, fig. 2 and fig. 4, when using, overturn second box body 5 to one side of first box body 1, magnet north pole 10 on the second box body 5 can adsorb each other with the magnet south pole 11 on the first box body 1 this moment, thereby can fix when first box body 1 and second box body 5 expand, prevent that it from closing up automatically, when carrying and carrying this general teaching aid, manual overturn second box body 5 and make it close up with first box body 1, and make 6 joints of cardboard get into the inside of draw-in groove 9, thereby realize that the closure between first box body 1 and the second box body 5 is fixed, can reduce the volume of this general teaching aid like this when the transport is carried, be convenient for carry and carry it.

Example 2: the lifting adjusting structure 3 comprises a threaded cylinder 301, a rotary table 302, a limiting groove 303, a limiting sheet 304 and a threaded shaft 305, wherein the threaded cylinder 301 is movably connected at the middle position of the top end of the base 4, the bottom end outside the threaded cylinder 301 is fixedly connected with the rotary table 302, the threaded shaft 305 is fixedly connected at the middle position of the bottom end of the first box body 1, the limiting sheet 304 is fixedly connected at one side of the bottom end of the first box body 1, and the limiting groove 303 is fixedly connected at one side of the top end of the base 4;

one side of the limiting sheet 304 is embedded in the limiting groove 303, and the limiting sheet 304 forms sliding connection in the limiting groove 303, so that the guiding and limiting effects can be achieved, and the first box body 1 is assisted to stably lift up and down;

the screw thread outside the screw thread shaft 305 is matched with the screw thread inside the screw thread cylinder 301, and the screw thread cylinder 301 is in threaded connection with the screw thread shaft 305, so that the first box body 1 can be stably driven to move up and down under the driving of the screw thread;

specifically, as shown in fig. 1 and fig. 3, when the writing board is used, the rotating disc 302 is rotated, the rotating disc 302 drives the threaded cylinder 301 to rotate, the threaded cylinder 301 drives the threaded shaft 305 to be ejected upwards gradually, and at the moment, the limiting piece 304 slides in the limiting groove 303 to achieve a limiting effect, so that the first box body 1 can be continuously lifted, the height of the writing board 2 on the first box body 1 and the second box body 5 can be adjusted according to the use requirement, and the use requirement can be met.

Example 3: the auxiliary screen throwing structure 8 consists of a screen throwing cloth 801, pendant strips 802, a winding roller 803 and a rotating handle 804, the winding roller 803 is movably connected to the top end inside the first box body 1, the screen throwing cloth 801 is wound outside the winding roller 803, one end of the screen throwing cloth 801 is fixedly connected with the pendant strips 802, and one side of the winding roller 803 penetrates through the outside of the first box body 1 and is fixedly connected with the rotating handle 804;

specifically, as shown in fig. 1, when teaching needs to be performed by using a screen projection device, the rotating handle 804 is rotated, the rotating handle 804 drives the winding roller 803 to rotate, the winding roller 803 discharges the screen projection cloth 801 downwards, and the screen projection cloth 801 linearly descends and stretches out under the action of gravity of the pendant strips 802, so that the content on a mobile phone or screen projection equipment can be demonstrated on the screen projection cloth 801, and the functionality of the general teaching aid is greatly improved.

The working principle is as follows: when the utility model is used, firstly, the second box body 5 is turned to one side of the first box body 1, at the moment, the magnet north pole 10 on the second box body 5 can be mutually adsorbed with the magnet south pole 11 on the first box body 1, thereby the first box body 1 and the second box body 5 can be fixed when being unfolded, the automatic closing of the first box body 1 and the second box body 5 can be prevented, the teaching contents can be written on the writing board 2 inside the first box body 1 and the second box body 5 for demonstration, the teaching aid is provided, then the rotary disc 302 is rotated, the rotary disc 302 drives the screw thread cylinder 301 to rotate, the screw thread cylinder 301 drives the screw thread shaft 305 to gradually push upwards, the limiting piece 304 slides inside the limiting groove 303 to play a limiting effect, thus the first box body 1 can be continuously lifted, the height of the writing board 2 on the first box body 1 and the second box body 5 can be conveniently adjusted to a proper position according to the use of the projection screen for teaching, rotate and change handle 804, it rotates to change handle 804 drive wind-up roll 803, wind-up roll 803 will throw screen cloth 801 and emit downwards, throw screen cloth 801 and descend and extend at the action of gravity of pendant strip 802 straight line down, just so can throw the content demonstration on the screen equipment with the cell-phone or throw, throw screen cloth 801 on, the functionality of this general teaching aid has been improved greatly, when carrying and carrying this general teaching aid, manual 5 upsets of second box body make it close with first box body 1, and make cardboard 6 joint get into the inside of draw-in groove 9, thereby realize that the closure between first box body 1 and the second box body 5 is fixed, can reduce the volume of this general teaching aid when the transport is carried like this, be convenient for carry and carry it.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a general teaching aid of education and teaching with adjustable it is portable, includes first box body (1) and board (2), its characterized in that: a second box body (5) is movably hinged to one side of the first box body (1), writing boards (2) are fixedly connected to the interiors of the first box body (1) and the second box body (5) respectively, an auxiliary screen projecting structure (8) is arranged at the top end of the interior of the first box body (1), a base (4) is arranged at the bottom end of the first box body (1), a lifting adjusting structure (3) is arranged between the bottom end of the first box body (1) and the top end of the base (4), handles (7) are fixedly connected to the top ends of the first box body (1) and the second box body (5) respectively, and a structure convenient to store and carry is arranged between the first box body (1) and the second box body (5);

the structure of carrying convenient to accomodate includes cardboard (6), cardboard (6) fixed connection is in the intermediate position department of second box body (5) one side, the intermediate position department fixedly connected with draw-in groove (9) of first box body (1) one side, the rear end fixedly connected with magnet south pole (11) of first box body (1) top one side, the rear end fixedly connected with magnet north pole (10) of second box body (5) top one side.

2. A portable adjustable teaching aid in educational teaching according to claim 1 wherein: the outer diameter of the clamping plate (6) is smaller than the inner diameter of the clamping groove (9), and a clamping structure is formed between the clamping plate (6) and the clamping groove (9).

3. A portable adjustable teaching aid in educational teaching according to claim 1 wherein: lifting adjusting structure (3) comprises a screw thread section of thick bamboo (301), carousel (302), spacing groove (303), spacing piece (304) and threaded shaft (305), screw thread section of thick bamboo (301) swing joint is in the intermediate position department on base (4) top, the outside bottom fixedly connected with carousel (302) of screw thread section of thick bamboo (301), threaded shaft (305) fixed connection is in the intermediate position department of first box body (1) bottom, spacing piece (304) fixed connection is in one side of first box body (1) bottom, one side on base (4) top is connected to spacing groove (303) fixed connection.

4. A portable adjustable teaching aid in educational teaching according to claim 3 wherein: one side of the limiting sheet (304) is embedded in the limiting groove (303), and the limiting sheet (304) forms sliding connection in the limiting groove (303).

5. A portable adjustable teaching aid in educational teaching according to claim 3 wherein: the thread on the outer part of the threaded shaft (305) is matched with the thread on the inner part of the threaded cylinder (301), and the threaded cylinder (301) is in threaded connection with the threaded shaft (305).

6. A portable adjustable teaching aid in educational teaching according to claim 1 wherein: supplementary screen structure (8) of throwing is by throwing screen curtain (801), pendant strip (802), wind-up roll (803) and changeing (804) and constitute, wind-up roll (803) swing joint is on the inside top of first box body (1), the outside coiling of wind-up roll (803) has throws screen curtain (801), the one end fixedly connected with pendant strip (802) of throwing screen curtain (801), one side of wind-up roll (803) is run through to the outside of first box body (1) and fixedly connected with changes (804).