CN214396143U - English teaching is with teaching board of being convenient for - Google Patents

Abstract

The utility model discloses a teaching board convenient for English teaching, which comprises a main board, wherein a board groove is arranged in the middle of the main board, a rotating shaft is embedded between the upper side wall and the lower side wall of the board groove in a rotating way, a double-sided blackboard is fixedly sleeved outside the rotating shaft, slide rails are fixedly connected with the upper side edge and the lower side edge of the back surface of the main board, two translation sliders are connected on the slide rails in a sliding way, threaded holes are arranged on the translation sliders, a containing cylinder is fixedly connected between the upper translation slider and the lower translation slider in a vertical opposite way, and a limiting slider is embedded in the containing cylinder in a sliding way, so that the telescopic rod of the teaching board convenient for English teaching can be retracted into the containing cylinder, the containing cylinder can translate along the slide rails, thereby the support structure of the teaching board can be completely folded at the rear side of the main board, the volume of the teaching board is greatly reduced, the teaching board is convenient to carry, and the double-sided blackboard can be switched after the teaching board is unfolded, in the teaching process, the teaching content does not need to be erased, the classroom time can be saved, and the teaching device can be convenient for students to copy or review in class.

Description

English teaching is with teaching board of being convenient for

Technical Field

The utility model relates to a teaching board, in particular to english teaching of being convenient for is with teaching board belongs to education and teaching field.

Background

English is also the language most closely related to computers, most programming languages are related to English, and along with the use of the Internet, the use of English is more popular, English learning is to cultivate a sense, and the sense is accumulated to cultivate, and the common speaking is that water arrives at a canal, the same rationale is reached, the language sense is generated, at this time, the sense is raised to the concept, the concept is integrated into the thinking of the user, English can be freely used, the attention accumulation is most important in the basic stage, the charm of the pyramid is the perfect building structure, the foundation is wide and deep, the splendid of the pyramid can be created, and the good English rationale is the same.

For improving student's english score, many parents all choose to please teach privately and improve student's english level, but when teaching teacher teaches privately, often lack the teaching show apparatus of specialty, the unable removal of fixed blackboard of tradition is used, has greatly influenced english teaching's effect, needs a portable english teaching board urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be convenient for english teaching is with teaching board 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: a teaching board convenient for English teaching comprises a main board, wherein a board groove is arranged in the middle of the main board, a rotating shaft is rotatably embedded between the upper side wall and the lower side wall of the board groove, a double-faced blackboard is fixedly sleeved outside the rotating shaft, slide rails are fixedly connected to the upper side edge and the lower side edge of the back surface of the main board, two translation slide blocks are respectively and slidably connected to the slide rails, threaded holes are respectively formed in the translation slide blocks, a containing cylinder is fixedly connected between the translation slide blocks in an up-and-down opposite mode, a limiting slide block is respectively and slidably embedded in the containing cylinder, a telescopic rod is fixedly connected to the lower side of the limiting slide block, supporting legs are fixedly connected to the bottom end of the telescopic rod through the containing cylinder, universal casters are respectively and fixedly mounted on the lower sides of the two ends of the supporting legs, a plurality of inserting holes are respectively formed in the two sides of the telescopic rod, and limiting pins are respectively embedded on the outer wall of the bottom end of the containing cylinder, the corner of mainboard is provided with the cavity, run through in the cavity and be provided with the inserted bar, mainboard fixedly connected with handle is worn out to the outer end of inserted bar, the inner of inserted bar extends to the board inslot, the outside of inserted bar just is located and is equipped with the spring between cavity inner wall and the baffle.

Preferably, two opposite outer walls of the double-faced blackboard are provided with round hole structures corresponding to the insertion rods.

Preferably, the cross section of the telescopic rod is of a circular structure.

Preferably, the threaded holes are internally embedded with bolts opposite to the inner wall of the sliding rail.

Preferably, the jacks are arranged in two groups corresponding to the inserted rods.

Preferably, the limit pin is in threaded connection with the outer wall of the containing barrel.

Preferably, the universal caster is provided with a wheel brake.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a be convenient for english teaching is with teaching board, in the telescopic link can the retraction storage tube, the slide rail translation can be followed to the storage tube, thereby make teaching board's supporting structure fold up completely in the rear side of mainboard, the volume of teaching board has greatly reduced, make teaching board convenient to carry, expand the back with teaching board, two-sided blackboard can switch, the teaching in-process need not to erase the teaching content, can save classroom time, also can make things convenient for the student to copy or review under class, it is very convenient to use.

Drawings

Fig. 1 is a back cut-away schematic view of the utility model in the unfolded state;

fig. 2 is a plan view of the present invention in an expanded state;

fig. 3 is a schematic structural view of the utility model when folded;

fig. 4 is an enlarged view of a structure at a in fig. 1 of the present invention.

In the figure: 1. a main board; 2. a plate groove; 3. a double-sided blackboard; 4. a rotating shaft; 5. a slide rail; 6. a translation slide block; 7. a receiving cylinder; 8. a threaded hole; 9. a limiting slide block; 10. a telescopic rod; 11. a jack; 12. a spacing pin; 13. a cavity; 14. inserting a rod; 15. a spring; 16. a baffle plate; 17. a handle; 18. supporting legs; 19. a universal caster.

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, the present invention provides a technical solution: a teaching board convenient for English teaching comprises a main board 1, a board groove 2 is arranged in the middle of the main board 1, a rotating shaft 4 is rotatably embedded between the upper side wall and the lower side wall of the board groove 2, a double-faced blackboard 3 is fixedly sleeved outside the rotating shaft 4, slide rails 5 are fixedly connected to the upper side edge and the lower side edge of the back surface of the main board 1, two translation slide blocks 6 are respectively connected to the slide rails 5 in a sliding manner, threaded holes 8 are respectively formed in the translation slide blocks 6, a containing cylinder 7 is fixedly connected between the upper translation slide blocks and the lower translation slide blocks 6, a limiting slide block 9 is respectively embedded in the containing cylinder 7 in a sliding manner, telescopic rods 10 are respectively and fixedly connected to the lower sides of the limiting slide blocks 9, supporting legs 18 are respectively fixedly connected to the bottom ends of the telescopic rods 10 through the containing cylinder 7, universal casters 19 are respectively and fixedly mounted to the lower sides of the two ends of the supporting legs 18, a plurality of jacks 11 are respectively formed in the two sides of the telescopic rods 10, limiting pins 12 are respectively embedded in the outer wall of the bottom end of the containing cylinder 7, the corner of mainboard 1 is provided with cavity 13, runs through being provided with inserted bar 14 in the cavity 13, and mainboard 1 fixedly connected with handle 17 is worn out to the outer end of inserted bar 14, and the inner of inserted bar 14 extends to in the board groove 2, and the outside of inserted bar 14 just is located and is equipped with spring 15 between cavity 13 inner wall and the baffle 16.

Wherein, all correspond inserted bar 14 on two relative outer walls of two-sided blackboard 3 and be provided with the round hole structure, inserted bar 14 inserts in the round hole, can fix two-sided blackboard 3.

The cross section of the telescopic rod 10 is of a circular structure, and the telescopic rod 10 can rotate randomly, so that different jacks 11 are opposite to the limiting pin 12.

Wherein, all inlay in the screw hole 8 and be equipped with the bolt relative with 5 inner walls of slide rail, screw up the bolt, multiplicable bolt and slide rail 5's frictional force has played the purpose of fixed translation slider 6 positions.

Wherein, the jack 11 is divided into two sets of and corresponds the setting with inserted bar 14, and every vertical jack 11 equidistance of group is arranged, and the angle and the height of telescopic link 10 can effectively be spacing in spacing 12 to the jack 11 of difference.

Wherein, the stop pin 12 and the outer wall of the containing cylinder 7 are in threaded connection, the stop pin 12 is rotated positively and negatively, and the connection state of the stop pin 12 and the jack 11 can be adjusted.

Wherein, all install the wheel on the universal caster 19 and stop, the tight wheel of stopping stops the back, can avoid the universal caster 19 to roll to can effectively fix the position of mainboard 1.

Specifically, when the utility model is used, the main board 1 is pushed or carried into the teaching area, the bolt is firstly unscrewed to push the translation sliding block 6 to slide linearly along the slide rail 5, after the translation sliding block 6 moves to the end part of the slide rail 5, the bolt is screwed again to fix the position of the translation sliding block 6, the limit pin 12 is unscrewed again, the support leg 18 is rotated by ninety degrees and the main board 1 is lifted upwards, the limit pin 12 can be just opposite to the new jack 11, the limit pin 12 is reversely rotated into the jack 11, the angle and the height of the telescopic rod 10 can be effectively limited, the teaching is convenient, the stability of the main board 1 can be kept, the teaching board can be folded again by reversely operating the steps, the volume of the device is greatly reduced, the carrying is very convenient, in the teaching process, after the teaching content is written on the front surface of the blackboard, the handle 17 is outwards pulled out, the spring 15 is compressed, the inserted rod 14 can be pulled out from the round hole, the double-sided blackboard 3 is rotated, so that the blackboard which is not written can be rotated to the front, then the handle 17 is loosened, the baffle 16 and the inserting rod 14 move in the reverse direction under the action of the elastic force of the spring 15, the inserting rod 14 is inserted into a new round hole, teaching contents do not need to be erased, the classroom time can be saved, and the copying or reviewing of students in class can be facilitated.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (7)

1. A teaching board convenient for English teaching is characterized by comprising a main board, wherein a board groove is arranged in the middle of the main board, a rotating shaft is rotatably embedded between the upper side wall and the lower side wall of the board groove, a double-faced blackboard is fixedly sleeved outside the rotating shaft, slide rails are fixedly connected to the upper side edge and the lower side edge of the back surface of the main board, two translation slide blocks are respectively and slidably connected to the slide rails, threaded holes are respectively formed in the translation slide blocks, a containing cylinder is fixedly connected between the translation slide blocks in an up-and-down opposite mode, a limiting slide block is respectively and slidably embedded in the containing cylinder, a telescopic rod is fixedly connected to the lower side of the limiting slide block, supporting legs are fixedly connected to the bottom ends of the telescopic rods through the containing cylinder, universal casters are respectively and fixedly mounted on the lower sides of the two ends of the supporting legs, a plurality of inserting holes are respectively formed in the two sides of the telescopic rod, and limiting pins are respectively embedded on the outer wall of the bottom end of the containing cylinder, the corner of mainboard is provided with the cavity, run through in the cavity and be provided with the inserted bar, mainboard fixedly connected with handle is worn out to the outer end of inserted bar, the inner of inserted bar extends to the board inslot, the outside of inserted bar just is located and is equipped with the spring between cavity inner wall and the baffle.

2. The teaching board for facilitating english teaching according to claim 1, wherein: two opposite outer walls of the double-sided blackboard are provided with round hole structures corresponding to the insertion rods.

3. The teaching board for facilitating english teaching according to claim 1, wherein: the cross section of the telescopic rod is of a circular structure.

4. The teaching board for facilitating english teaching according to claim 1, wherein: and bolts opposite to the inner wall of the sliding rail are embedded in the threaded holes.

5. The teaching board for facilitating english teaching according to claim 1, wherein: the jacks are divided into two groups and are arranged corresponding to the inserted rods.

6. The teaching board for facilitating english teaching according to claim 1, wherein: the limiting pin is in threaded connection with the outer wall of the containing barrel.

7. The teaching board for facilitating english teaching according to claim 1, wherein: and wheel brakes are arranged on the universal casters.

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