CN211454846U

CN211454846U - Non-contact multifunctional teaching projector

Info

Publication number: CN211454846U
Application number: CN202020519893.1U
Authority: CN
Inventors: 陈礼忠
Original assignee: Henan Vocational College of Water Conservancy and Environment
Current assignee: Henan Vocational College of Water Conservancy and Environment
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-09-08
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a multi-functional teaching projecting apparatus of non-contact, including the motor case, the inner wall fixedly connected with shelf of motor case, the upper surface difference fixedly connected with PLC controller and the servo motor of shelf, servo motor's output fixedly connected with rotor plate, the lower fixed surface of rotor plate is connected with first electric telescopic handle, first electric telescopic handle's bottom fixedly connected with dust proof box, the side of dust proof box is provided with the filter screen. This multi-functional teaching projecting apparatus of non-contact, through setting up the filter screen, can prevent the dust to get into the dust proof box in ventilation cooling, through setting up the dust proof box, can the omnidirectional to the projecting apparatus main part protection of preventing dust, through setting up clean sponge, can clean, clean the lens at shield up-and-down motion's in-process to make this multi-functional teaching projecting apparatus of non-contact have very high dustproof effect, can satisfy the use of the many dust circumstances in classroom.

Description

Non-contact multifunctional teaching projector

Technical Field

The utility model relates to a projecting apparatus technical field specifically is a multi-functional teaching projecting apparatus of non-contact.

Background

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

Along with the education multimedia process deepens day by day, the projecting apparatus has become the indispensable educational facilities in each classroom, because often use the chalk can produce more dust in the classroom, these dusts can influence the result of use of projecting apparatus, cause the damage to the projecting apparatus simultaneously, and current general projecting apparatus does not possess fine dustproof function, can make the life-span of projecting apparatus reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional teaching projecting apparatus of non-contact to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a non-contact multifunctional teaching projector comprises a motor box, wherein a shelf is fixedly connected to the inner wall of the motor box, a PLC (programmable logic controller) and a servo motor are respectively and fixedly connected to the upper surface of the shelf, a rotating plate is fixedly connected to the output end of the servo motor, a first electric telescopic rod is fixedly connected to the lower surface of the rotating plate, a dustproof box is fixedly connected to the bottom end of the first electric telescopic rod, a filter screen is arranged on the side surface of the dustproof box, a projector main body is arranged inside the dustproof box, a base is fixedly connected to the lower surface of the projector main body, a lens is fixedly connected to the front surface of the projector main body, a fixing part is fixedly connected to the inner bottom wall of the dustproof box, a second electric telescopic rod is fixedly connected to the inner top wall of the dustproof box, a connecting rod is fixedly connected to the bottom end of the second electric telescopic rod, and a dustproof cover is fixedly connected, the back of the dustproof cover is fixedly connected with a cleaning sponge.

Preferably, the upper surface fixed connection of motor case is on the interior roof in house, the quantity of filter screen is two, and two filter screens use the positive central line of dust-proof box to set up the both sides at the dust-proof box as symmetry axis symmetry.

Preferably, the lower surface of the shelf is provided with a groove, a ball is arranged in the groove, and the inner bottom wall of the motor box is provided with a rolling groove matched with the ball.

Preferably, the surface of the base is sleeved with an anti-slip pad, the inner bottom wall of the dust-proof box is fixedly connected with a rubber pad, and the surface of the rubber pad is provided with a plurality of anti-slip bulges.

Preferably, a threaded hole is formed in the side face of the projector main body, the fixing piece is L-shaped, a bolt is inserted into the side face of the fixing piece, and the bolt extends rightwards to the inner wall of the projector main body.

Preferably, the upper surface of the dust-proof box is provided with a hole matched with the dust-proof cover.

Advantageous effects

The utility model provides a multi-functional teaching projecting apparatus of non-contact possesses following beneficial effect:

1. this multi-functional teaching projecting apparatus of non-contact, through setting up the filter screen, can prevent the dust to get into the dust proof box in ventilation cooling, through setting up the dust proof box, can the omnidirectional to the projector main part protection of preventing dust, through setting up the shield, can be dustproof when the projecting apparatus does not use to make this multi-functional teaching projecting apparatus of non-contact have very high dustproof effect, can satisfy the use of the many dust environment in classroom.

2. This multi-functional teaching projecting apparatus of non-contact through setting up PLC controller and servo motor, can control the rotation of dust proof box, and then the direction of adjustment camera lens, through setting up first telescopic link, the height of adjustment camera lens from top to bottom to reach the effect that this multi-functional teaching projecting apparatus of non-contact is convenient for adjust the camera lens.

3. This multi-functional teaching projecting apparatus of non-contact through setting up mounting and base, can make the projecting apparatus main part more stable, is difficult for producing slope or displacement, through setting up clean sponge, can clean, clean the lens at shield up-and-down motion's in-process to the situation of the dirty unclear picture that leads to of having avoided because of the camera lens adheres to the filth.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic side-sectional view of the dustproof case of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 motor case, 2 shelves, 3PLC controller, 4 servo motor, 5 rotor plates, 6 first electric telescopic handle, 7 dust proof boxes, 8 filter screens, 9 projecting apparatus main parts, 10 bases, 11 camera lenses, 12 mounting, 13 second electric telescopic handle, 14 connecting rods, 15 shield, 16 clean sponge, 17 balls.

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. 1-3, the present invention provides a technical solution: the utility model provides a multi-functional teaching projecting apparatus of non-contact, including motor case 1, the inner wall fixedly connected with shelf 2 of motor case 1, the recess has been seted up to shelf 2's lower surface, and the inside of recess is provided with ball 17, the rolling groove with ball 17 looks adaptation is seted up to the inner diapire of motor case 1, the upper surface of shelf 2 is fixedly connected with PLC controller 3 and servo motor 4 respectively, through setting up PLC controller 3 and servo motor 4, can control the rotation of dust-proof box 7, and then the direction of adjustment camera lens 11.

Output fixedly connected with rotor plate 5 of servo motor 4, the lower fixed surface of rotor plate 5 is connected with first electric telescopic handle 6, the bottom fixedly connected with dust box 7 of first electric telescopic handle 6, the side of dust box 7 is provided with filter screen 8, the last fixed surface of motor case 1 is connected on the interior roof in house, the quantity of filter screen 8 is two, and two filter screens 8 use the positive central line of dust box 7 to set up the both sides at dust box 7 as symmetry axis symmetry, through setting up filter screen 8, can prevent the dust to get into dust box 7 in ventilation cooling, dust box 7's inside is provided with projecting apparatus main part 9, through setting up dust box 7, can the omnidirectional carry out dustproof protection to projecting apparatus main part 9.

Lower fixed surface of projecting apparatus main part 9 is connected with base 10, the surface cover of base 10 is equipped with the slipmat, the inner diapire fixedly connected with rubber pad of dust proof box 7, and the surface of rubber pad is provided with a plurality of non-slip raised, the positive fixedly connected with camera lens 11 of projecting apparatus main part 9, through setting up first telescopic link 6, can adjust the height of camera lens 11 from top to bottom, thereby reach the effect that this multi-functional teaching projecting apparatus of non-contact is convenient for adjust the camera lens, inner diapire fixedly connected with mounting 12 of dust proof box 7, screw hole has been seted up to the side of projecting apparatus main part 9, mounting 12 is the L type, the side of mounting 12 is pegged graft there is the bolt, and the bolt extends to the inner wall of projecting apparatus main part 9 right, through setting up mounting 12 and base 10, can make projecting apparatus main part.

Interior roof fixedly connected with second electric telescopic handle 13 of dust proof box 7, the bottom fixedly connected with connecting rod 14 of second electric telescopic handle 13, the one end fixedly connected with shield 15 of second electric telescopic handle 13 is kept away from to connecting rod 14, the hole with shield 15 looks adaptation is seted up to the upper surface of dust proof box 7, through setting up shield 15, can be dustproof when the projecting apparatus does not use, the back fixedly connected with cleaning sponge 16 of shield 15, through setting up cleaning sponge 16, can clean lens 11 at the in-process of shield 15 up-and-down motion, it is clean, avoided leading to the not clear situation of picture because of the camera lens adheres to the filth, thereby make this non-contact multi-functional teaching projecting apparatus have very high dustproof effect, can satisfy the use of the many dust circumstances in classroom.

The working principle is as follows: when the multi-functional teaching projecting apparatus of non-contact uses, utilize second electric telescopic handle 13, open shield 15, when shield 15 shifts up, utilize clean sponge 16 to clean the camera lens, utilize PLC controller 3, first electric telescopic handle 6 and servo motor 4 adjust the height and the angle of dust-proof box 7, make camera lens 11 adjust to suitable position, utilize filter screen 8 ventilation cooling at the in-process of using, after the projecting apparatus uses, utilize second telescopic handle 13 to close shield 15, when shield 15 moves down, utilize clean sponge 16 to clean the camera lens, thereby make this multi-functional teaching projecting apparatus of non-contact have very high dustproof effect, can satisfy the use of the many dust and dust environment in classroom.

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

1. The utility model provides a multi-functional teaching projecting apparatus of non-contact, includes motor case (1), its characterized in that: the inner wall of the motor box (1) is fixedly connected with a shelf (2), the upper surface of the shelf (2) is respectively fixedly connected with a PLC (programmable logic controller) controller (3) and a servo motor (4), the output end of the servo motor (4) is fixedly connected with a rotating plate (5), the lower surface of the rotating plate (5) is fixedly connected with a first electric telescopic rod (6), the bottom end of the first electric telescopic rod (6) is fixedly connected with a dust-proof box (7), the side surface of the dust-proof box (7) is provided with a filter screen (8), the interior of the dust-proof box (7) is provided with a projector main body (9), the lower surface of the projector main body (9) is fixedly connected with a base (10), the front surface of the projector main body (9) is fixedly connected with a lens (11), the inner bottom wall of the dust-proof box (7) is fixedly connected with a fixing part (12), and the inner top wall of the dust-proof box, the bottom fixedly connected with connecting rod (14) of second electric telescopic handle (13), the one end fixedly connected with shield (15) of second electric telescopic handle (13) is kept away from in connecting rod (14), the back fixedly connected with cleaning sponge (16) of shield (15).

2. A non-contact multifunctional teaching projector according to claim 1, characterized in that: the upper surface fixed connection of motor case (1) is on the interior roof in house, the quantity of filter screen (8) is two, and two filter screens (8) set up the both sides at dust proof box (7) for symmetry axis symmetry with the positive central line of dust proof box (7).

3. A non-contact multifunctional teaching projector according to claim 1, characterized in that: the lower surface of the shelf (2) is provided with a groove, a ball (17) is arranged in the groove, and a rolling groove matched with the ball (17) is formed in the inner bottom wall of the motor box (1).

4. A non-contact multifunctional teaching projector according to claim 1, characterized in that: the anti-skid device is characterized in that an anti-skid pad is sleeved on the surface of the base (10), a rubber pad is fixedly connected to the inner bottom wall of the dust-proof box (7), and a plurality of anti-skid bulges are arranged on the surface of the rubber pad.

5. A non-contact multifunctional teaching projector according to claim 1, characterized in that: the side of the projector main body (9) is provided with a threaded hole, the fixing piece (12) is L-shaped, the side of the fixing piece (12) is inserted with a bolt, and the bolt extends rightwards to the inner wall of the projector main body (9).

6. A non-contact multifunctional teaching projector according to claim 1, characterized in that: the upper surface of the dust-proof box (7) is provided with a hole matched with the dust-proof cover (15).