CN214705097U - Portable college english teaching device - Google Patents

Abstract

The utility model discloses a portable college English teaching device, which comprises a teaching demonstration board and a lifting frame, wherein the upper end of the teaching demonstration board is provided with an upper fixed splint, the second telescopic rod is externally sleeved with a second spring, the other end of the second telescopic rod is fixedly connected with a lower fixed splint, the lower fixed splint is occluded at the lower end of the teaching demonstration board, the bottom end of the fixed disc is in threaded connection with a lifting frame, the lifting frame is externally provided with a spiral lantern ring, the height of the teaching demonstration board can be adjusted by utilizing the spiral lantern ring arranged outside the lifting frame, and by adjusting the height of the teaching demonstration board, the lifting frame can be beneficial to the students in the back row to more clearly see teaching contents, meanwhile, the lifting frame is in threaded connection with the fixed disc, when a moving device is needed, the lifting frame can be independently disassembled, and is convenient to move, on the other hand, when need not use the device, can dismantle alone with teaching demonstration board and crane and get off, be convenient for reduce occupation space.

Description

Portable college english teaching device

Technical Field

The utility model relates to a college english teaching field especially relates to a portable college english teaching device.

Background

English belongs to "the system of indonesia-japanese ethnic group-west japanese ramus," calculates according to the number of people who use english as the mother tongue, english is the official language used by most countries, english is also the most extensive first language in the world, and is also the official language of european union and many international organizations and the state of the english federation, the number of mother tongue users who have the third position in the world, next to the number of chinese and spanish mother tongue users, if adopt the white board of great area then can lead to whole teaching device too big, it is very inconvenient when putting or moving, and current english teaching device height is difficult to adjust, lead to the learning effect not good enough.

Traditional portable college english teaching device generally can use base and splint universal wheel, for example application number 202020245997.8 discloses a portable college english teaching device, including college english teaching portable box main part, high definition display screen is installed to the intermediate position of the inside of college english teaching portable box main part, and sealed lid is installed to one side of the front end of college english teaching portable box main part. The utility model discloses a portable case main part of college english teaching is by high definition display screen, english vocabulary panel and sealed lid triplex are constituteed, can form two kinds of teaching modes through high definition display screen and english vocabulary panel, make the teaching more novel, the student's memory of being convenient for, portable case of english teaching through college is convenient for high definition display screen and english vocabulary panel and is carried, comparatively save the space of carrying, however this kind of convenient case has certain limitation when using, when we can't carry out the push-and-pull under certain environment, just can only carry and just can remove, the volume is great, it is very inconvenient, and not practical.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable college english teaching device to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides a portable college english teaching device, includes teaching demonstration board and crane, teaching demonstration board upper end is provided with solid fixed splint, go up solid fixed splint other end fixedly connected with first telescopic link, first telescopic link has cup jointed first spring, first telescopic link other end fixedly connected with locating plate, the locating plate sets up inside the solid fixed disk, locating plate lower extreme fixedly connected with second telescopic link, second telescopic link has cup jointed the second spring outward, gu fixed splint under the second telescopic link other end fixedly connected with, gu the fixed splint interlock is at teaching demonstration board lower extreme down, gu fixed disk bottom threaded connection has the crane, the crane is provided with the screw lantern ring outward.

Preferably, the bottom end of the lifting frame is provided with a bearing plate, the bottom end of the bearing plate is rotatably connected with three supporting foot frames.

Preferably, the upper fixing splint and the lower fixing splint fix the teaching demonstration board through relative movement.

Preferably, the bottoms of the three supporting foot stands are provided with movable universal wheels.

Preferably, the three supporting foot frames are externally provided with rotating wheels, the other ends of the rotating wheels are rotatably connected with connecting rods, and the other ends of the connecting rods are rotatably connected with rotating shafts.

Preferably, the lifting frame is in threaded connection with the bearing plate.

Preferably, the material of the bearing plate is titanium alloy.

The utility model has the advantages that:

1. the utility model discloses a teaching demonstration board that sets up, after teaching demonstration board front writing was full, can utilize the teaching demonstration board back to continue to carry out the blackboard writing, increased the area of writing effectively and reduced the occupation space of whole device, when needs remove the device, also can take off teaching demonstration board alone, conveniently remove the device;

2. the utility model discloses a fixed disc that sets up, when needing to carry out english teaching, can be through promoting the upper fixed splint downwards, thereby drive the motion of first spring, through the motion of first spring, can drive first telescopic link and move upwards, and in a similar way, can drive the motion of second spring and move downwards the second telescopic link, thereby drive the lower fixed splint and move downwards, through the removal of upper fixed splint and lower fixed splint, can fix the teaching demonstration board of different sizes, solved the teaching class size of general english teaching device effectively and can't change and lead to the back row classmates to see the clear condition, great increase classmates' learning efficiency;

3. the utility model discloses a crane that sets up, can utilize the height of the outside spiral lantern ring adjustment teaching demonstration board that sets up of crane, through the height of adjustment teaching demonstration board, can be favorable to the back row student more clearly see the teaching content, and simultaneously, the crane is threaded connection with fixed disc, when needs mobile device, can dismantle the crane alone, and convenient the removal, on the other hand, when need not use the device, can dismantle alone with teaching demonstration board and crane, be convenient for reduce occupation space.

Drawings

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

FIG. 2 is a cross-sectional view of the middle supporting leg of the present invention;

FIG. 3 is a cross-sectional view of the fixing disc of the present invention;

fig. 4 is a top view of the bearing plate of the present invention;

reference numerals: 1. a teaching demonstration board; 2. fixing the disc; 3. fixing a splint; 4. a lower fixed splint; 5. a load-bearing plate; 6. a supporting foot rest; 7. a helical collar; 8. a lifting frame; 9. a connecting rod; 10. moving the universal wheel; 11. a first telescopic rod; 12. a first spring; 13. a second spring; 14. a second telescopic rod; 15. positioning a plate; 16. a rotating wheel; 17. a rotating shaft.

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 figures 1 and 3, a portable college English teaching device comprises a teaching demonstration board 1 and a lifting frame 8, wherein the upper end of the teaching demonstration board 1 is provided with an upper fixed splint 3, the other end of the upper fixed splint 3 is fixedly connected with a first telescopic rod 11, the first telescopic rod 11 is externally sleeved with a first spring 12, the other end of the first telescopic rod 11 is fixedly connected with a positioning plate 15, the positioning plate 15 is arranged inside a fixed disc 2, the lower end of the positioning plate 15 is fixedly connected with a second telescopic rod 14, the second telescopic rod 14 is externally sleeved with a second spring 13, the other end of the second telescopic rod 14 is fixedly connected with a lower fixed splint 4, the lower fixed splint 4 is occluded at the lower end of the teaching demonstration board 1, the bottom end of the fixed disc 2 is in threaded connection with the lifting frame 8, the lifting frame 8 is externally provided with a spiral lantern ring 7, the teaching demonstration board 1 can be well fixed through the upper fixed splint 3 and the lower fixed splint 4, make things convenient for mr blackboard writing english vocabulary, simultaneously through the crane 8 that sets up, can the adjusting device height, make things convenient for the student to study, utilize the crane 8 that sets up, can dismantle when removing, portable also saves physical power simultaneously.

The working principle is as follows: when in use, the teaching demonstration board 1 is fixed by the upper fixed splint 3 and the lower fixed splint 4, after the front of the teaching demonstration board 1 is fully written, the back of the teaching demonstration board 1 can be used for writing, the writing area is effectively increased, the occupied space of the whole device is reduced, when the device needs to be moved, the teaching demonstration board 1 can be taken down independently, the device is convenient to move, through the arranged fixed disc 2, when English teaching needs to be carried out, the upper fixed splint 3 can be lifted downwards, so that the first spring 12 is driven to move, the first telescopic rod 11 can be driven to move upwards through the movement of the first spring 12, and similarly, the second telescopic rod 14 can be driven to move downwards through the movement of the second spring 13, so that the lower fixed splint 4 is driven to move downwards, and through the movement of the upper fixed splint 3 and the lower fixed splint 4, can fix the teaching demonstration board of unidimensional not, the unable change of teaching class size of having solved general english teaching device effectively leads to the unable clear condition of seeing of back row classmates, great increase classmates' learning efficiency, crane 8 through setting up, can utilize the height of the 7 adjustment teaching demonstration boards of the outside spiral lantern ring that set up of crane 8, through adjustment teaching demonstration board 1, can be favorable to the back row student more clearly see the teaching content, and simultaneously, crane 8 is threaded connection with fixed disc 2, when needs mobile device, can dismantle crane 8 alone, convenient removal, on the other hand, when need not use the device, can dismantle alone with teaching demonstration board 1 and crane 8 and get off, be convenient for reduce occupation space.

Example 2

As shown in fig. 1 and 3, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: a portable college English teaching device comprises a teaching demonstration board 1 and a lifting frame 8, wherein an upper fixed splint 3 is arranged at the upper end of the teaching demonstration board 1, a first telescopic rod 11 is fixedly connected at the other end of the upper fixed splint 3, a first spring 12 is sleeved outside the first telescopic rod 11, a positioning plate 15 is fixedly connected at the other end of the first telescopic rod 11, the positioning plate 15 is arranged inside a fixed disc 2, a second telescopic rod 14 is fixedly connected at the lower end of the positioning plate 15, a second spring 13 is sleeved outside the second telescopic rod 14, a lower fixed splint 4 is fixedly connected at the other end of the second telescopic rod 14, the lower fixed splint 4 is occluded at the lower end of the teaching demonstration board 1, the lifting frame 8 is connected at the bottom end of the fixed disc 2 through threads, a spiral lantern ring 7 is arranged outside the lifting frame 8, the teaching demonstration board 1 can be well fixed through the upper fixed splint 3 and the lower fixed splint 4 which are arranged, and is convenient for teachers to write English vocabulary, simultaneously through the crane 8 that sets up, can the adjusting device height, make things convenient for the student to study, utilize the crane 8 that sets up, can dismantle when removing, portable also saves physical power simultaneously.

As shown in fig. 2 and 4, the crane 8 bottom is provided with the bearing plate 5, the bearing plate 5 bottom is rotated and is connected with the supporting foot rest 6, the supporting foot rest 6 is provided with threely, three supporting foot rest 6 bottom all is provided with removes universal wheel 10, three supporting foot rest 6 all is provided with runner 16 outward, the runner 16 other end is rotated and is connected with connecting rod 9, the connecting rod 9 other end is rotated and is connected with rotation axis 17, go up solid fixed splint 3 and fix the teaching demonstration board 1 through relative motion with lower solid fixed splint 4, crane 8 is threaded connection with bearing plate 5, the material of bearing plate 5 is the titanium alloy, when needs mobile device, can dismantle crane 8 alone, convenient the removal, on the other hand, when need not using the device, can dismantle alone with teaching demonstration board 1 and crane 8 alone, be convenient for reduce occupation space.

The working principle is as follows: when in use, the teaching demonstration board 1 is fixed by the upper fixed splint 3 and the lower fixed splint 4, after the front of the teaching demonstration board 1 is fully written, the back of the teaching demonstration board 1 can be used for writing, the writing area is effectively increased, the occupied space of the whole device is reduced, when the device needs to be moved, the teaching demonstration board 1 can be taken down independently, the device is convenient to move, through the arranged fixed disc 2, when English teaching needs to be carried out, the upper fixed splint 3 can be lifted downwards, so that the first spring 12 is driven to move, the first telescopic rod 11 can be driven to move upwards through the movement of the first spring 12, and similarly, the second telescopic rod 14 can be driven to move downwards through the movement of the second spring 13, so that the lower fixed splint 4 is driven to move downwards, and through the movement of the upper fixed splint 3 and the lower fixed splint 4, can fix not unidimensional teaching demonstration board, the unable change of teaching class size of having solved general english teaching device effectively leads to the unable clear condition of seeing of back row classmate, great increase classmates' learning efficiency, crane 8 through setting up, can utilize the height of the 7 adjustment teaching demonstration boards of the spiral cover ring of crane 8 outside setting, through the height of adjustment teaching demonstration board 1, can be favorable to the back row student more clearly see the teaching content, and simultaneously, crane 8 is threaded connection with fixed disc 2, the great problem of ordinary teaching device occupation space has been solved effectively.

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 (7)

1. The utility model provides a portable college english teaching device, includes teaching demonstration board (1) and crane (8), its characterized in that: an upper fixed splint (3) is arranged at the upper end of the teaching demonstration board (1), a first telescopic rod (11) is fixedly connected at the other end of the upper fixed splint (3), a first spring (12) is sleeved outside the first telescopic rod (11), the other end of the first telescopic rod (11) is fixedly connected with a positioning plate (15), the positioning plate (15) is arranged inside the fixed disc (2), the lower end of the positioning plate (15) is fixedly connected with a second telescopic rod (14), a second spring (13) is sleeved outside the second telescopic rod (14), the other end of the second telescopic rod (14) is fixedly connected with a lower fixed splint (4), lower fixed splint (4) interlock is at teaching demonstration board (1) lower extreme, fixed disc (2) bottom threaded connection has crane (8), crane (8) are provided with spiral sleeve ring (7) outward.

2. The portable college english teaching device according to claim 1, wherein: the crane is characterized in that a bearing plate (5) is arranged at the bottom end of the lifting frame (8), a supporting foot frame (6) is rotatably connected to the bottom end of the bearing plate (5), and the number of the supporting foot frames (6) is three.

3. The portable college english teaching device according to claim 2, wherein: the upper fixing splint (3) and the lower fixing splint (4) fix the teaching demonstration board (1) through relative movement.

4. The portable college english teaching device according to claim 2, wherein: the bottoms of the three supporting foot frames (6) are provided with movable universal wheels (10).

5. The portable college english teaching device according to claim 2, wherein: the three supporting foot frames (6) are externally provided with rotating wheels (16), the other ends of the rotating wheels (16) are rotatably connected with connecting rods (9), and the other ends of the connecting rods (9) are rotatably connected with rotating shafts (17).

6. The portable college english teaching device according to claim 2, wherein: the lifting frame (8) is in threaded connection with the bearing plate (5).

7. The portable college english teaching device according to claim 2, wherein: the bearing plate (5) is made of titanium alloy.

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