CN211423915U - Projector for English teaching - Google Patents

Abstract

The utility model relates to the technical field of projectors, and discloses a projector used for English teaching, comprising a mounting plate, the bottom of the mounting plate is fixedly mounted with two micro motors, and the two micro motors are The output shafts are all fixedly connected with a rotating shaft, the outer side of the rotating shaft is fixedly installed with a driving gear, and the bottom of the mounting plate is fixedly installed with two fixed blocks located between the two micro motors. A threaded rod is movably connected to the bottom of the two threaded rods, and a threaded sleeve is threadedly connected to the outer sides of the two threaded rods. The projector used for English teaching starts the micro motor by setting the micro motor, the output shaft of the micro motor drives the rotating shaft to rotate, the driving gear drives the driven gear to rotate, and the threaded rod rotates. The rod restricts the movement of the threaded sleeve so that the threaded sleeve can move downwards or upwards.

Description

A projector for English teaching

technical field

The utility model relates to the technical field of projectors, in particular to a projector used for English teaching.

Background technique

Projector, also known as projector, is a device that can project images or videos onto a screen. It can be connected to computers, VCDs, DVDs, game consoles, DVs, etc. through different interfaces to play corresponding video signals. With the rapid development of education and the continuous improvement of teaching methods, multimedia teaching equipment has become an indispensable tool in the teaching process, especially in English teaching, the application of multimedia projectors is very common.

The multimedia projectors on the market are inconvenient to adjust the projection height after installation, and it is not very convenient to use, and the installation angle is fixed, so it is inconvenient to control the angle and switch the projection surface. Due to poor performance, the projected picture is unstable, and viewing the unstable picture for a long time will affect the eyesight. Therefore, a projector for English teaching is proposed to solve the above problems.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model provides a projector for English teaching, which has the advantages of height adjustment and angle adjustment, etc., and solves the problem that the multimedia projectors on the market are inconvenient to adjust the projection height after installation. It is not very convenient, and the installation angle is fixed, which is inconvenient to control the angle and switch the projection surface. The projector will shake slightly during operation, and the stability is poor, which makes the projected picture unstable. Problems affecting vision.

(2) Technical solutions

In order to realize the purpose of the above-mentioned height adjustment and angle adjustment, the utility model provides the following technical scheme: a projector for English teaching, comprising a mounting plate, the bottom of the mounting plate is fixedly installed with two micromotors, The output shafts of the two micromotors are fixedly connected with a rotating shaft, the outer side of the rotating shaft is fixedly installed with a driving gear, and the bottom of the mounting plate is fixedly installed with two fixed blocks located between the two micromotors. , the bottoms of the two fixed blocks are movably connected with threaded rods, the outer sides of the two threaded rods are threadedly connected with threaded sleeves, and the outer sides of the two threaded rods are fixedly connected with a driven gear that meshes with the driving gear Gear, a support plate is fixedly connected to the opposite sides of the two threaded sleeves, a connecting plate is fixedly connected between the opposite sides of the two fixing blocks, and the bottom of the connecting plate is fixedly installed with a number of two. two first telescopic rods that are fixedly connected to the tops of the two support plates, respectively, two U-shaped connecting blocks are movably connected to the ends of the two threaded sleeves away from the mounting plate, and the two second U-shaped connecting blocks are connected to each other. The bottom of the block is fixedly installed with the projector body, the top of the projector body is fixedly installed with a mounting seat, and the top of the mounting seat is fixedly mounted with two first U-shaped connection blocks, two of the first U-shaped connection blocks. The interior of the U-shaped connecting block is movably connected with a second telescopic rod located between the two first telescopic rods and fixedly connected to the bottom of the connecting plate through a rotating rod.

Preferably, the two first telescopic rods have the same size and are symmetrical to each other, and the two second telescopic rods have the same size and are symmetrical to each other.

Preferably, the first telescopic rod and the connecting plate are vertical, and the second telescopic rod and the connecting plate are vertical.

Preferably, a threaded hole is provided inside the threaded sleeve, and the diameter of the threaded hole is adapted to the diameter of the threaded rod.

Preferably, the two second U-shaped connecting blocks have the same size and are symmetrical to each other, and the two first U-shaped connecting blocks have the same size and are symmetrical to each other.

Preferably, the fixing block and the mounting plate are vertical, and the two threaded rods have the same size and are symmetrical to each other.

(3) Beneficial effects

Compared with the prior art, the utility model provides a projector for English teaching, which has the following beneficial effects:

The projector used for English teaching starts the micro motor by setting the micro motor, the output shaft of the micro motor drives the rotating shaft to rotate, the driving gear drives the driven gear to rotate, and the threaded rod rotates. The rod restricts the movement of the threaded sleeve, so that the threaded sleeve can move downward or upward. When the two threaded sleeves move downward at the same time, the height of the projector body can be adjusted. When moving in the opposite direction, the angle of the projector body can be adjusted, and the stability of the whole device is increased by arranging the mounting seat and the second telescopic rod.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is an enlarged structural schematic diagram of part A in FIG. 1 of the present utility model.

In the figure: 1 mounting plate, 2 connecting plate, 3 supporting plate, 4 first telescopic rod, 5 mounting seat, 6 projector body, 7 first U-shaped connection block, 8 second U-shaped connection block, 9 threaded sleeve , 10 micro motors, 11 fixed blocks, 12 second telescopic rods, 13 driven gears, 14 threaded rods, 15 driving gears, 16 shafts.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1-2, a projector for English teaching includes a mounting plate 1, the bottom of the mounting plate 1 is fixedly mounted with two micro motors 10, and the output shafts of the two micro motors 10 are fixedly connected There is a rotating shaft 16, the outer side of the rotating shaft 16 is fixedly installed with the driving gear 15, and the bottom of the mounting plate 1 is fixedly installed with two fixed blocks 11 located between the two micro motors 10, and the fixed block 11 and the mounting plate 1 are vertical. The bottoms of the two fixing blocks 11 are movably connected with threaded rods 14. The two threaded rods 14 have the same size and are symmetrical to each other. A threaded hole is opened inside, and the diameter of the threaded hole is adapted to the diameter of the threaded rod 14. The outer sides of the two threaded rods 14 are fixedly connected with the driven gear 13 that meshes with the driving gear 15, and the two threaded sleeves 9 are opposite one. The supporting plates 3 are fixedly connected to the sides, and the connecting plates 2 are fixedly connected between the opposite sides of the two fixing blocks 11 . The connected first telescopic rod 4, the first telescopic rod 4 and the connecting plate 2 are vertical, the two first telescopic rods 4 are of the same size and symmetrical to each other, and the ends of the two threaded sleeves 9 away from the mounting plate 1 are movably connected There is a second U-shaped connecting block 8, the size of the two second U-shaped connecting blocks 8 is the same and symmetrical to each other, the bottom of the two second U-shaped connecting blocks 8 is fixedly installed with the projector body 6, and the top of the projector body 6 is fixedly installed. A mounting seat 5 is fixedly installed, and two first U-shaped connecting blocks 7 are fixedly installed on the top of the mounting seat 5. The two first U-shaped connecting blocks 7 have the same size and are symmetrical to each other. The interior of the connecting block 7 is movably connected with a second telescopic rod 12 located between the two first telescopic rods 4 and fixedly connected to the bottom of the connecting plate 2 through the rotating rod. The second telescopic rod 12 and the connecting plate 2 are vertical. , the two second telescopic rods 12 have the same size and are symmetrical to each other, and the stability of the entire device is increased by arranging the mounting seat 5 and the second telescopic rod 12 .

To sum up, in the projector for English teaching, the micro motor 10 is set to start the micro motor 10, the output shaft of the micro motor 10 drives the rotating shaft 16 to rotate, the driving gear 15 drives the driven gear 13 to rotate, and the threaded rod 14 rotates , by setting the connecting plate 2, the supporting plate 3 and the first telescopic rod 4, the movement of the threaded sleeve 9 is restricted, so that the threaded sleeve 9 can move downward or upward, and when the two threaded sleeves 9 move downward at the same time When the height of the projector body 6 is adjusted, when the two threaded sleeves 9 move in opposite directions, the angle of the projector body 6 can be adjusted. By setting the mounting seat 5 and the second telescopic rod 12, It increases the stability of the whole device, solves the problem that the multimedia projectors on the market are inconvenient to adjust the projection height after installation, and the use is not very convenient, and the installation angle is fixed, which is inconvenient to control the angle, switch the projection surface, and project The instrument will shake slightly when working, and the stability is poor, making the projected picture unstable, and watching the unstable picture for a long time will affect the eyesight.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A projecting apparatus for english teaching, includes mounting panel (1), its characterized in that: the bottom of the mounting plate (1) is fixedly provided with two micro motors (10), the output shafts of the two micro motors (10) are fixedly connected with rotating shafts (16), the outer side of each rotating shaft (16) is fixedly provided with a driving gear (15), the bottom of the mounting plate (1) is fixedly provided with two fixing blocks (11) which are positioned between the two micro motors (10), the bottoms of the two fixing blocks (11) are movably connected with threaded rods (14), the outer sides of the two threaded rods (14) are connected with threaded sleeves (9) in a threaded manner, the outer sides of the two threaded rods (14) are fixedly connected with driven gears (13) which are meshed with the driving gears (15), one sides of the two threaded sleeves (9) which are opposite are fixedly connected with supporting plates (3), and one sides of the two fixing blocks (11) which are opposite are fixedly connected with connecting plates (2), the bottom fixed mounting of connecting plate (2) has quantity for two and respectively with the first telescopic link (4) of the top fixed connection of two backup pads (3), two the equal swing joint of one end that mounting panel (1) was kept away from in screw sleeve (9) has second U type connecting block (8), two the bottom fixed mounting of second U type connecting block (8) has projector body (6), the top fixed mounting of projector body (6) has mount pad (5), the top fixed mounting of mount pad (5) has first U type connecting block (7) that quantity is two, two the inside of first U type connecting block (7) all is located between two first telescopic links (4) and with the bottom fixed connection's of connecting plate (2) second telescopic link (12) through dwang swing joint.

2. The projector for english teaching according to claim 1, wherein: the two first telescopic rods (4) are the same in size and are symmetrical to each other, and the two second telescopic rods (12) are the same in size and are symmetrical to each other.

3. The projector for english teaching according to claim 1, wherein: the first telescopic rod (4) and the connecting plate (2) are vertical, and the second telescopic rod (12) and the connecting plate (2) are vertical.

4. The projector for english teaching according to claim 1, wherein: the threaded sleeve (9) is internally provided with a threaded hole, and the diameter of the threaded hole is matched with that of the threaded rod (14).

5. The projector for english teaching according to claim 1, wherein: the two second U-shaped connecting blocks (8) are the same in size and are symmetrical to each other, and the two first U-shaped connecting blocks (7) are the same in size and are symmetrical to each other.

6. The projector for english teaching according to claim 1, wherein: the fixing block (11) and the mounting plate (1) are vertical, and the threaded rods (14) are the same in size and are symmetrical to each other.

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