CN214580011U

CN214580011U - Embedded projecting apparatus structure of electronic teaching

Info

Publication number: CN214580011U
Application number: CN202120811524.4U
Authority: CN
Inventors: 赵秋; 华烨
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-02
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses an embedded projecting apparatus structure of electronic teaching, the power distribution box comprises a box body, the upper surface of box rotates and is connected with the mounting panel, the box forms closed storage space with the mounting panel, the lower fixed surface of mounting panel is connected with the motor, the output fixedly connected with screw rod of motor, the side surface threaded connection of screw rod has the slide bar, the lower surface of mounting panel and the right side that is located the motor rotate and be connected with electronic jar, the lower surface of mounting panel rotates through the support and is connected with the install bin, the lower fixed surface of install bin is connected with the extension spring, the inside swing joint of install bin has the projecting apparatus. The utility model discloses an electronic jar, motor and threaded rod make the projecting apparatus can freely go up and down, and the device makes the projecting apparatus can effectively protect when not using, is convenient for hide moreover, and the appearance is pleasing to the eye, because of being in the enclosure space, the pollution of the dust that has significantly reduced prolongs the life of machine.

Description

Embedded projecting apparatus structure of electronic teaching

Technical Field

The utility model relates to a projecting apparatus technical field especially relates to an embedded projecting apparatus structure of electronic teaching.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals.

Although an embedded projector introduced in CN207067647U drives the rotation of the rotating shaft by the rotation of the stepping motor, thereby driving the projector to rotate, the following drawbacks still exist:

the projector is arranged in the open space, the appearance is influenced when the projector is not used, the dust in the open space is large, a large amount of dust can be polluted after the projector is used for a long time or is placed, the projector is not easy to clean, a machine is easy to damage, and the service life is shortened.

The projector is fixedly connected with the screw rod and the bearing seat, so that the projector is troublesome to disassemble when damaged, and the maintenance efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electronic teaching embedded projector structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an embedded projector structure for electronic teaching comprises a box body, wherein the upper surface of the box body is rotatably connected with an installation plate, the box body and the installation plate form a closed storage space, the lower surface of the installation plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a screw rod, the side surface of the screw rod is in threaded connection with a slide rod, and the lower surface of the installation plate, which is positioned on the right side of the motor, is rotatably connected with an electric cylinder;

the lower surface of mounting panel rotates through the support and is connected with the install bin, the last fixed surface of install bin is connected with sliding support, the left surface sliding connection of install bin has first slider, the lower fixed surface of install bin is connected with the extension spring, the inside swing joint of install bin has the projecting apparatus, the inside of install bin just is located the right side fixedly connected with third slider of projecting apparatus, the right fixed surface of third slider is connected with the bracing piece, the surface swing joint of bracing piece has first spring.

As a further description of the above technical solution: the inside swing joint of box has the second slider, the inside of box just is located the left side fixedly connected with second spring of second slider.

As a further description of the above technical solution: the first spring is fixedly connected with the installation box, and the second spring is fixedly connected with the left surface of the second sliding block.

As a further description of the above technical solution: the electric cylinder is rotatably connected with the box body, and the tension spring is fixedly connected with the first sliding block.

As a further description of the above technical solution: the sliding support is movably connected with the sliding rod.

As a further description of the above technical solution: the left surface of box is provided with first button and second button, first button and motor electric connection, the second button and electronic jar electric connection.

As a further description of the above technical solution: radiating grooves are formed in the two sides of the installation box.

As a further description of the above technical solution: the lower fixed surface of box is connected with the box support, the lower fixed surface of box support is connected with the truckle.

The utility model discloses following beneficial effect has:

compared with the prior art, this embedded projecting apparatus structure of electronic teaching through electronic jar, motor and threaded rod, makes the projecting apparatus can freely go up and down, and the device makes the projecting apparatus can effectively be protected when not using, is convenient for hide moreover, and the appearance is pleasing to the eye, is in the enclosure space simultaneously, has significantly reduced the pollution of dust, prolongs the life of machine.

Compared with the prior art, this embedded projecting apparatus structure of electronic teaching through installation slider, extension spring, slide bar and spring, when making the projecting apparatus need dismantle and install, block that can be very simple and convenient with pop out, has greatly made things convenient for maintenance personal's maintenance, improves work efficiency.

Compared with the prior art, this embedded projecting apparatus structure of electronic teaching through setting up standing groove, sliding closure and spring, after the laser pen finishes using, pulls open the sliding closure and puts into the laser pen after, and the sliding closure rebounds automatically, makes the laser pen can not drop on the mesa accident, conveniently stores.

Drawings

Fig. 1 is a structural map of an electronic teaching embedded projector provided by the utility model;

fig. 2 is a front sectional view of an electronic teaching embedded projector structure according to the present invention;

fig. 3 is the utility model provides a front view of embedded projecting apparatus structure of electronic teaching.

Fig. 4 is the utility model provides a left side view of embedded projecting apparatus structure of electronic teaching.

Fig. 5 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a box body; 2. mounting a plate; 3. an electric cylinder; 4. a motor; 5. a screw; 6. a first button; 7. a second button; 8. a slide bar; 9. a sliding support; 10. installing a box; 11. a projector; 12. a first spring; 13. a support bar; 14. a first slider; 15. a tension spring; 16. a second slider; 17. a second spring; 18. a third slider; 19. a caster wheel; 20. a box body bracket; 21. a heat dissipation groove.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and as meaning, for example, either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a pair of embedded projecting apparatus structure of electronic teaching: including box 1, its characterized in that: the upper surface of box 1 rotates and is connected with mounting panel 2, box 1 forms closed storage space with mounting panel 2, can prevent the entering of dust, mounting panel 2's lower fixed surface is connected with motor 4, motor 4's output end fixedly connected with screw rod 5, screw rod 5's side surface threaded connection has slide bar 8, screw rod 5 and slide bar 8 constitute the lead screw structure, the lead screw structure is more steady, control projecting apparatus 11's that can be accurate angle, mounting panel 2's lower surface just is located motor 4's right side and rotates and be connected with electronic jar 3, electronic jar 3 rotates with box 1 to be connected, electronic jar 3 is used for adjusting mounting panel 2's the angle that opens and shuts.

Open through 3 control mounting panels of electronic jar 2 and make projecting apparatus 11 rise, through the lift angle of 5 control projecting apparatus 11 of screw rod, the lead screw structure is more stable and accurate than the cylinder, can make the level (l) ing of projecting apparatus 11 more convenient.

The lower surface of the mounting plate 2 is rotatably connected with a mounting box 10 through a support, the upper surface of the mounting box 10 is fixedly connected with a sliding support 9, a sliding rod 8 is controlled to slide on the sliding support 9 through a screw rod 5 to control the projection angle of a projector 11, the sliding support 9 is movably connected with the sliding rod 8, the left surface of the mounting box 10 is slidably connected with a first sliding block 14, the lower surface of the mounting box 10 is fixedly connected with a tension spring 15, the tension spring 15 is a spiral spring bearing axial tension, no gap exists between rings of the tension spring when the tension spring does not bear load, the tension spring 15 is fixedly connected with the first sliding block 14, the projector 11 is movably connected inside the mounting box 10, a third sliding block 18 is fixedly connected inside the mounting box 10 and positioned at the right side of the projector 11, a support rod 13 is fixedly connected with the right surface of the third sliding block 18, and the outer surface of the support rod 13 is movably connected with the first spring 12, the first spring 12 is fixedly connected to the mounting box 10, and the projector 11 is fixed and protected by the spring.

Can make first slider 14 can carry out the block automatically through extension spring 15, more effectual protecting projecting apparatus 11, can pop out install bin 10 projecting apparatus 11 when first slider 14 pulls open through first spring 12 and bracing piece 13, it is more convenient that projecting apparatus 11 needs to be dismantled.

The inside of box 1 and the left side swing joint who is located mounting panel 2 have second slider 16, be used for protecting the laser pen and can not fall out, prevent that the dust from falling into, the inside of box 1 and the left side fixedly connected with second spring 17 that is located second slider 16, second spring 17 is connected with the left fixed surface of second slider 16, the left surface of box 1 is provided with first button 6 and second button 7, first button 6 and motor 4 electric connection, second button 7 and electric cylinder 3 electric connection, the work of electric cylinder 3 and motor 4 is controlled to the button, radiating groove 21 has all been seted up to the both sides of install bin 10, the lower fixed surface of box 1 is connected with box support 20, the lower fixed surface of box support 20 is connected with truckle 19, installation truckle 19 is convenient to move.

The second spring 17 makes the second slider 16 can be automatically closed after being pulled open, so that the laser pen can be placed more conveniently, the box body support 20 and the caster wheel 19 can be moved more conveniently, and the application range is wider.

The working principle is as follows: pressing second button 7 control electronic jar 3 makes mounting panel 2 rise, pressing first button 6 control motor 4 again makes screw rod 5 steadily rotate, screw rod 5 drives slide bar 8 and steadily moves in sliding bracket 9, make projecting apparatus 11 angle of adjustment that can be accurate, when projecting apparatus 11 damages, pull down first slider 14, projecting apparatus 11 receives the elasticity auto-eject of first spring 12, put projecting apparatus 11 back installation box 10 after the repair finishes, first slider 14 receives the automatic rebound of the pulling force of extension spring 15, it is spacing to protect projecting apparatus 11, pressing the button after finishing using makes mounting panel 2 and projecting apparatus 11 reset and withdraw, mounting panel 2 and box 1 form an enclosure space, make dustproof effect better.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in other embodiments without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an embedded projecting apparatus structure of electronic teaching, includes box (1), its characterized in that: the upper surface of the box body (1) is rotatably connected with a mounting plate (2), the box body (1) and the mounting plate (2) form a closed storage space, the lower surface of the mounting plate (2) is fixedly connected with a motor (4), the output end of the motor (4) is fixedly connected with a screw rod (5), the side surface of the screw rod (5) is in threaded connection with a sliding rod (8), and the lower surface of the mounting plate (2) and the right side of the motor (4) are rotatably connected with an electric cylinder (3);

the lower surface of mounting panel (2) rotates through the support and is connected with install bin (10), the last fixed surface of install bin (10) is connected with sliding support (9), the left surface sliding connection of install bin (10) has first slider (14), the lower fixed surface of install bin (10) is connected with extension spring (15), the inside swing joint of install bin (10) has projecting apparatus (11), the inside of install bin (10) just is located right side fixedly connected with third slider (18) of projecting apparatus (11), the right fixed surface of third slider (18) is connected with bracing piece (13), the surface swing joint of bracing piece (13) has first spring (12).

2. The in-cell projector structure for electronic teaching of claim 1, wherein: the inside of box (1) is connected with second slider (16), the inside of box (1) just is located the left side fixedly connected with second spring (17) of second slider (16).

3. The in-cell projector structure for electronic teaching of claim 1, wherein: the first spring (12) is fixedly connected with the installation box (10), and the second spring (17) is fixedly connected with the left surface of the second sliding block (16).

4. The in-cell projector structure for electronic teaching of claim 1, wherein: the electric cylinder (3) is rotatably connected with the box body (1), and the tension spring (15) is fixedly connected with the first sliding block (14).

5. The in-cell projector structure for electronic teaching of claim 1, wherein: the sliding support (9) is movably connected with the sliding rod (8).

6. The in-cell projector structure for electronic teaching of claim 1, wherein: the left surface of box (1) is provided with first button (6) and second button (7), first button (6) and motor (4) electric connection, second button (7) and electronic jar (3) electric connection.

7. The in-cell projector structure for electronic teaching of claim 1, wherein: and heat dissipation grooves (21) are formed in the two sides of the installation box (10).

8. The in-cell projector structure for electronic teaching of claim 1, wherein: the lower surface of the box body (1) is fixedly connected with a box body support (20), and the lower surface of the box body support (20) is fixedly connected with a caster (19).