CN216896447U

CN216896447U - Projecting apparatus for education

Info

Publication number: CN216896447U
Application number: CN202123010781.7U
Authority: CN
Inventors: 曹洪庆
Original assignee: Hangzhou Qingli Education Technology Co ltd
Current assignee: Hangzhou Qingli Education Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-07-05
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses an educational projector which comprises a base and a projector body, wherein universal wheels are arranged on the periphery of the bottom of the base, a second electric push rod is fixedly installed at the top of the base, a balance plate is fixedly installed at the output end of the second electric push rod, an adjusting motor is fixedly installed on the left side of the top of the balance plate, a driving gear is fixedly installed on an output shaft of the adjusting motor, a rotating rod is rotatably connected to the right side of the top of the balance plate through a bearing, and a driven gear is fixedly installed on the surface of the rotating rod. The projector comprises a base, a stabilizing plate, a first electric push rod, universal wheels, a second electric push rod, a positioning plate, a projector body, a rotating rod, a balancing plate, a limiting plate, a clamping groove, a positioning rod, a spring, a clamping block, a positioning groove, a driving gear, a driven gear and an adjusting motor.

Description

Projecting apparatus for education

Technical Field

The utility model relates to the technical field of education equipment, in particular to a projector for education.

Background

The projector is a device which projects or reflects images or videos onto a screen through a digital light processing technology or an LCD liquid crystal imaging technology, corresponding images and video signals can be accessed through different signal sources such as computers, mobile phones, DVDs and DVDs to achieve playing, and the projector is widely applied to places such as education, commerce, engineering, households and the like.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects of the prior art, the utility model provides an education projector which has the advantages of convenience in installation and fixation, convenience in movement, convenience in height adjustment and angle adjustment, and solves the problems that the traditional education projector is inconvenient to install and fix, move, adjust the height and adjust the angle.

Technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a projector for education comprises a base and a projector body, universal wheels are arranged on the periphery of the bottom of the base, a second electric push rod is fixedly mounted at the top of the base, a balance plate is fixedly mounted at the output end of the second electric push rod, an adjusting motor is fixedly mounted on the left side of the top of the balance plate, a driving gear is fixedly mounted on an output shaft of the adjusting motor, a rotating rod is rotatably connected to the right side of the top of the balance plate through a bearing, a driven gear is fixedly mounted on the surface of the rotating rod and meshed with the driving gear, a positioning plate is fixedly mounted at the top of the rotating rod, positioning rods are slidably connected to the left side and the right side of an inner cavity of the positioning plate, a limiting plate is fixedly mounted on the surface of the positioning rod, a spring is fixedly mounted at one end of the limiting plate, the other end of the spring is fixedly connected with the positioning plate, a clamping groove is formed in the top of the positioning plate, the bottom fixed mounting of projecting apparatus body has the fixture block of using with the draw-in groove cooperation, the constant head tank of using with the locating lever cooperation is all seted up to the left and right sides of fixture block, equal fixed mounting all around of base bottom has first electric putter, first electric putter's output fixed mounting has the steadying plate.

Preferably, one end of the positioning rod, which is far away from the clamping groove, is fixedly provided with a pull ring, and the surface of the pull ring is provided with anti-skid grains.

Preferably, a protective cover is arranged on the top of the balance plate, and a corrosion-resistant coating is arranged on the surface of the protective cover.

Preferably, the left side of the base is provided with a control switch, and the surface of the control switch is provided with a protective film.

Preferably, all fixed mounting has auxiliary push rod all around at base top, and auxiliary push rod's the other end and balance plate fixed connection.

Preferably, a battery box is arranged on the left side of the top of the base, and a storage battery is arranged in an inner cavity of the battery box.

Advantageous effects

Compared with the prior art, the utility model provides an educational projector, which has the following beneficial effects:

1. the utility model pulls two positioning rods, the positioning rods drive a limiting plate to move, the limiting plate compresses a spring, a universal wheel facilitates the movement of the device, a clamping block at the bottom of a projector body is placed in a clamping groove at the top of the positioning plate, the two positioning rods are loosened, the spring rebounds, the spring drives the limiting plate to rebound, the limiting plate drives the positioning rods to be inserted into the positioning grooves, after the positioning rod reaches a specified position, a first electric push rod is opened, the first electric push rod pushes a stabilizing plate to move downwards, the stabilizing plate is contacted with the ground, the universal wheel is lifted off, so that the device is stable, a second electric push rod is opened, the second electric push rod pushes a balancing plate to move upwards, a balancing plate drives a rotating rod to move upwards, the rotating rod drives the positioning plate to move upwards, the positioning plate drives the projector body to move upwards, so that the height of the projector body can be adjusted, an adjusting motor is opened, the adjusting motor drives a driving gear to rotate, the driving gear drives driven gear and rotates, and driven gear drives the bull stick at the bearing internal rotation, and the bull stick drives the locating plate and rotates, and through the cooperation of draw-in groove and fixture block, the locating plate can drive the projecting apparatus body and rotate to can adjust the angle of projecting apparatus body, it is fixed to have solved traditional for the education projecting apparatus be not convenient for the installation, be not convenient for remove, and be not convenient for height-adjusting, be not convenient for angle regulation's problem.

2. The battery box is provided with the battery box, and the battery box is provided with the battery box.

Drawings

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

FIG. 2 is a schematic cross-sectional enlarged view of the positioning plate of the present invention;

FIG. 3 is a schematic diagram of a fixture block with an enlarged cross-sectional view according to the present invention;

fig. 4 is a schematic view of a cross-sectional enlarged structure of the shield according to the present invention.

In the figure: 1. a base; 2. a stabilizing plate; 3. a control switch; 4. a first electric push rod; 5. A universal wheel; 6. a battery box; 7. a second electric push rod; 8. a protective cover; 9. positioning a plate; 10. A projector body; 11. a pull ring; 12. a rotating rod; 13. a balance plate; 14. an auxiliary push rod; 15. A limiting plate; 16. a card slot; 17. positioning a rod; 18. a spring; 19. a clamping block; 20. positioning a groove; 21. a driving gear; 22. a driven gear; 23. the motor is regulated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a projector for education comprises a base 1 and a projector body 10, wherein a control switch 3 is disposed on the left side of the base 1, a protective film is disposed on the surface of the control switch 3, the control switch 3 is disposed to control the on/off of each electrical appliance, a battery box 6 is disposed on the left side of the top of the base 1, a storage battery is disposed in the inner cavity of the battery box 6 to provide power for the device, universal wheels 5 are disposed around the bottom of the base 1, a second electric push rod 7 is fixedly disposed on the top of the base 1, a balance plate 13 is fixedly disposed at the output end of the second electric push rod 7, auxiliary push rods 14 are fixedly disposed around the top of the base 1, the other ends of the auxiliary push rods 14 are fixedly connected with the balance plate 13, and the balance plate 13 is more stable by the auxiliary push rods 14, an adjusting motor 23 is fixedly arranged on the left side of the top of a balance plate 13, a driving gear 21 is fixedly arranged on an output shaft of the adjusting motor 23, a rotating rod 12 is rotatably connected on the right side of the top of the balance plate 13 through a bearing, a driven gear 22 is fixedly arranged on the surface of the rotating rod 12, the driven gear 22 is meshed with the driving gear 21, a protective cover 8 is arranged on the top of the balance plate 13, a corrosion-resistant coating is arranged on the surface of the protective cover 8, the internal components of the protective cover can be protected by arranging the protective cover 8, a positioning plate 9 is fixedly arranged on the top of the rotating rod 12, positioning rods 17 are slidably connected on the left side and the right side of an inner cavity of the positioning plate 9, a limiting plate 15 is fixedly arranged on the surface of the positioning rod 17, a spring 18 is fixedly arranged at one end of the limiting plate 15, the other end of the spring 18 is fixedly connected with the positioning plate 9, a clamping groove 16 is arranged on the top of the positioning plate 9, and a pull ring 11 is fixedly arranged at one end of the positioning rod 17 far away from the clamping groove 16, the surface of the pull ring 11 is provided with anti-skid grains, the pull ring 11 is arranged to facilitate people to pull the positioning rod 17, the bottom of the projector body 10 is fixedly provided with a clamping block 19 matched with the clamping groove 16 for use, the left side and the right side of the clamping block 19 are respectively provided with a positioning groove 20 matched with the positioning rod 17 for use, the periphery of the bottom of the base 1 is fixedly provided with a first electric push rod 4, the output end of the first electric push rod 4 is fixedly provided with a stabilizing plate 2, the two positioning rods 17 are pulled, the positioning rods 17 drive the limiting plate 15 to move, the limiting plate 15 compresses the spring 18, the universal wheel 5 facilitates the movement of the device, the clamping block 19 at the bottom of the projector body 10 is placed in the clamping groove 16 at the top of the positioning plate 9, the two positioning rods 17 are loosened, the spring 18 rebounds, the limiting plate 15 is driven by the spring 18 to rebound, the limiting plate 15 drives the positioning rod 17 to be inserted into the positioning groove 20 to reach the designated position, the first electric push rod 4 is opened, the first electric push rod 4 pushes the stabilizing plate 2 to move downwards, the stabilizing plate 2 is in contact with the ground, the universal wheel 5 is lifted off the ground, so that the device is stable, the second electric push rod 7 is opened, the second electric push rod 7 pushes the balancing plate 13 to move upwards, the balancing plate 13 drives the rotating rod 12 to move upwards, the rotating rod 12 drives the positioning plate 9 to move upwards, the positioning plate 9 drives the projector body 10 to move upwards, so that the height of the projector body 10 can be adjusted, the adjusting motor 23 is opened, the adjusting motor 23 drives the driving gear 21 to rotate, the driving gear 21 drives the driven gear 22 to rotate, the driven gear 22 drives the rotating rod 12 to rotate in the bearing, the rotating rod 12 drives the positioning plate 9 to rotate, through the matching of the clamping groove 16 and the clamping block 19, the positioning plate 9 can drive the projector body 10 to rotate, so that the angle of the projector body 10 can be adjusted, the problem of traditional for the education projecting apparatus be convenient for the installation fixed, be not convenient for remove, and be not convenient for height-adjusting, be not convenient for angle regulation is solved.

When the device is used, the two positioning rods 17 are pulled, the positioning rods 17 drive the limiting plate 15 to move, the limiting plate 15 compresses the spring 18, the universal wheel 5 facilitates the device to move, the clamping block 19 at the bottom of the projector body 10 is placed in the clamping groove 16 at the top of the positioning plate 9, the two positioning rods 17 are loosened, the spring 18 rebounds, the spring 18 drives the limiting plate 15 to rebound, the limiting plate 15 drives the positioning rods 17 to be inserted into the positioning grooves 20, after the positioning rods reach the designated position, the first electric push rod 4 is opened, the first electric push rod 4 pushes the stabilizing plate 2 to move downwards, the stabilizing plate 2 is contacted with the ground, the universal wheel 5 is lifted off, so that the device is stabilized, the second electric push rod 7 is opened, the second electric push rod 7 pushes the balancing plate 13 to move upwards, the balancing plate 13 drives the rotating rod 12 to move upwards, the rotating rod 12 drives the positioning plate 9 to move upwards, the positioning plate 9 drives the projector body 10 to move upwards, thereby can highly adjust projecting apparatus body 10, open accommodate motor 23, accommodate motor 23 drives driving gear 21 and rotates, driving gear 21 drives driven gear 22 and rotates, driven gear 22 drives bull stick 12 at the bearing internal rotation, bull stick 12 drives locating plate 9 and rotates, cooperation through draw-in groove 16 and fixture block 19, locating plate 9 can drive projecting apparatus body 10 and rotate, thereby can adjust the angle of projecting apparatus body 10, it is fixed to have solved traditional education is not convenient for the installation with the projecting apparatus, be not convenient for remove, and be not convenient for height-adjusting, be not convenient for angle-adjusting's problem.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A projector for education, comprising a base (1) and a projector body (10), characterized in that: the universal wheels (5) are arranged on the periphery of the bottom of the base (1), a second electric push rod (7) is fixedly mounted at the top of the base (1), a balance plate (13) is fixedly mounted at the output end of the second electric push rod (7), an adjusting motor (23) is fixedly mounted on the left side of the top of the balance plate (13), a driving gear (21) is fixedly mounted on an output shaft of the adjusting motor (23), a rotating rod (12) is rotatably connected to the right side of the top of the balance plate (13) through a bearing, a driven gear (22) is fixedly mounted on the surface of the rotating rod (12), the driven gear (22) is meshed with the driving gear (21), a positioning plate (9) is fixedly mounted at the top of the rotating rod (12), positioning rods (17) are slidably connected to the left side and the right side of an inner cavity of the positioning plate (9), and a limiting plate (15) is fixedly mounted on the surface of the positioning rod (17), the one end fixed mounting of limiting plate (15) has spring (18), and the other end and locating plate (9) fixed connection of spring (18), draw-in groove (16) have been seted up at the top of locating plate (9), the bottom fixed mounting of projecting apparatus body (10) has fixture block (19) of using with draw-in groove (16) cooperation, constant head tank (20) of using with locating lever (17) cooperation are all seted up to the left and right sides of fixture block (19), equal fixed mounting all around of base (1) bottom has first electric putter (4), the output fixed mounting of first electric putter (4) has steadying plate (2).

2. An educational projector according to claim 1, wherein: and one end of the positioning rod (17) far away from the clamping groove (16) is fixedly provided with a pull ring (11), and the surface of the pull ring (11) is provided with anti-skid grains.

3. An educational projector according to claim 1, wherein: the top of the balance plate (13) is provided with a protective cover (8), and the surface of the protective cover (8) is provided with a corrosion-resistant coating.

4. An educational projector according to claim 1, wherein: the left side of base (1) is provided with control switch (3), and the surface of control switch (3) is provided with the protecting film.

5. An educational projector according to claim 1, wherein: all fixed mounting has auxiliary push rod (14) all around at base (1) top, and the other end and balance plate (13) fixed connection of auxiliary push rod (14).

6. An educational projector according to claim 1, wherein: the left side at the top of the base (1) is provided with a battery box (6), and an inner cavity of the battery box (6) is provided with a storage battery.