CN212584683U

CN212584683U - Multimedia teaching is with projecting apparatus convenient to adjust

Info

Publication number: CN212584683U
Application number: CN202020847025.6U
Authority: CN
Inventors: 史轶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-02-23
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a multi-media teaching is with projecting apparatus convenient to adjust, including roof and fixed plate, the fixed plate passes through screw and roof fixed connection, the bottom fixedly connected with guide rail of fixed plate, the surface sliding connection of guide rail has electronic slip table, the bottom fixed mounting of electronic slip table has electric telescopic handle, electric telescopic handle's bottom fixedly connected with casing, the mounting groove has been seted up at the middle part of casing inner chamber, the middle-end at mounting groove inner chamber top is rotated through the bearing and is connected with the pivot, the bottom of pivot extends to the lower part and the fixedly connected with instrument body of casing bottom. The utility model discloses an electronic slip table, guide rail, baffle, electric telescopic handle, motor, angle sensor, driven gear, driving gear, pivot, wireless transmitter, wireless receiver and PLC controller mutually support, have solved present projecting apparatus and have all been fixed in a position, the problem that people adjusted not convenient for.

Description

Multimedia teaching is with projecting apparatus convenient to adjust

Technical Field

The utility model relates to a multimedia teaching equipment technical field specifically is a multimedia teaching is with projecting apparatus convenient to adjust.

Background

The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, through teaching design, modern teaching media are reasonably selected and applied, and are organically combined with the traditional teaching means, the modern teaching media jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure, so that the optimized teaching effect is achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia teaching is with projecting apparatus convenient to adjust possesses the advantage of being convenient for to adjust, has solved present projecting apparatus and has all fixed in a position, the problem that people were not convenient for adjusted.

In order to achieve the above object, the utility model provides a following technical scheme: a projector convenient to adjust for multimedia teaching comprises a roof and a fixed plate, wherein the fixed plate is fixedly connected with the roof through screws, the bottom of the fixed plate is fixedly connected with a guide rail, the outer surface of the guide rail is connected with an electric sliding table in a sliding manner, the bottom of the electric sliding table is fixedly provided with an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected with a shell, the middle part of an inner cavity of the shell is provided with a mounting groove, the middle end of the top of the inner cavity of the mounting groove is rotatably connected with a rotating shaft through a bearing, the bottom of the rotating shaft extends to the lower part of the bottom of the shell and is fixedly connected with an instrument body, an angle sensor is arranged between the rotating shaft and the top of the inner cavity of the mounting groove, the upper part of the outer, the outer surface cover of motor output shaft is equipped with the driving gear, the driving gear is connected with driven gear meshing, the middle-end fixed mounting at casing top has the control box.

Preferably, the top of the inner cavity of the control box is fixedly provided with a wireless transmitter, and the input end of the wireless transmitter is electrically connected with the output end of the angle sensor.

Preferably, the left side fixed mounting of control box inner chamber has wireless receiver, the bottom fixed mounting of control box inner chamber has the PLC controller, the input of PLC controller and wireless receiver's output electric connection, the output of PLC controller respectively with the input electric connection of electronic slip table, electric telescopic handle and motor.

Preferably, the left end and the right end of the guide rail are fixedly connected with baffle plates, and the tops of the baffle plates are fixedly connected with the bottoms of the fixed plates.

Preferably, the bottom of the shell is provided with an annular sliding groove, the top of the instrument body is fixedly connected with an annular sliding block, and the annular sliding block is connected with the inner cavity of the annular sliding groove in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model can drive the electric telescopic rod to move left and right through the electric sliding table and the guide rail, can drive the shell to move up and down by using the electric telescopic rod, can drive the driving gear to rotate by using the motor, can drive the rotating shaft to rotate under the action of the driven gear, can drive the instrument body to horizontally rotate up and down under the action of the electric sliding table, the electric telescopic rod and the motor, can greatly meet the adjusting requirement of people on the projector, can receive an external control signal by using the wireless receiver and transmit the external control signal to the PLC controller, can control the electric sliding table, the electric telescopic rod and the motor by using the PLC controller, is convenient for people to adjust the projector, can detect the rotating angle of the rotating shaft by using the angle sensor, can transmit the detected data to the wireless transmitter, and can transmit the data to the staff by using the wireless transmitter, make things convenient for people in time to know the turned angle of pivot, avoid turned angle too big to lead to the circuit winding, solved present projecting apparatus and all fixed in a position, the problem that people of not being convenient for adjusted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:

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

FIG. 2 is a schematic sectional view of the shell of the present invention in a front view;

fig. 3 is the schematic diagram of the internal structure of the control box of the present invention.

In the figure: 1. a roof; 2. a fixing plate; 3. an electric sliding table; 4. a guide rail; 5. a control box; 6. a baffle plate; 7. an electric telescopic rod; 8. a motor; 9. an instrument body; 10. a housing; 11. an annular chute; 12. mounting grooves; 13. an angle sensor; 14. a driven gear; 15. a driving gear; 16. an annular slider; 17. a rotating shaft; 18. a wireless transmitter; 19. a wireless receiver; 20. a PLC controller.

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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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.

The utility model discloses a roof 1, fixed plate 2, electronic slip table 3, guide rail 4, control box 5, baffle 6, electric telescopic handle 7, motor 8, instrument body 9, casing 10, annular chute 11, mounting groove 12, angle sensor 13, driven gear 14, driving gear 15, annular slider 16, pivot 17, wireless transmitter 18, wireless receiver 19 and PLC controller 20 part are general standard or the part that technical personnel in the field know, its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a projector for multimedia teaching, which is convenient to adjust, comprises a roof 1 and a fixing plate 2, the fixing plate 2 is fixedly connected with the roof 1 through screws, the bottom of the fixing plate 2 is fixedly connected with a guide rail 4, both the left and right ends of the guide rail 4 are fixedly connected with a baffle 6, the top of the baffle 6 is fixedly connected with the bottom of the fixing plate 2, the outer surface of the guide rail 4 is slidably connected with an electric sliding table 3, the bottom of the electric sliding table 3 is fixedly provided with an electric telescopic rod 7 which can drive the electric telescopic rod 7 to move left and right, the bottom of the electric telescopic rod 7 is fixedly connected with a shell 10 which can drive the shell 10 to move up and down, the middle part of the inner cavity of the shell 10 is provided with a mounting groove 12, the middle end of the top of the inner cavity of, by utilizing the motor 8, the driving gear 15 can be driven to rotate, and under the action of the driven gear 14, the rotating shaft 17 can be driven to rotate, the rotating shaft 17 can drive the instrument body 9 to horizontally rotate, the angle sensor 13 is arranged between the rotating shaft 17 and the top of the inner cavity of the mounting groove 12, the driven gear 14 is sleeved on the upper part of the outer surface of the rotating shaft 17, the motor 8 is fixedly arranged on the right side of the shell 10, the output shaft of the motor 8 extends to the inner cavity of the mounting groove 12, the driving gear 15 is sleeved on the outer surface of the output shaft of the motor 8, the driving gear 15 is meshed and connected with the driven gear 14, the bottom of the shell 10 is provided with the annular chute 11, the top of the instrument body 9 is fixedly connected with the annular slide block 16, the annular slide block 16 is slidably connected with the inner cavity of, the input end of the wireless transmitter 18 is electrically connected with the output end of the angle sensor 13, the angle sensor 13 is utilized to detect the rotation angle of the rotating shaft 17 and transmit the detected data to the wireless transmitter 18, the wireless transmitter 18 is utilized to transmit the data to workers, people can conveniently know the rotation angle of the rotating shaft 17 in time, circuit winding caused by overlarge rotation angle is avoided, the left side of the inner cavity of the control box 5 is fixedly provided with a wireless receiver 19, the bottom of the inner cavity of the control box 5 is fixedly provided with a PLC controller 20, the input end of the PLC controller 20 is electrically connected with the output end of the wireless receiver 19, the output end of the PLC controller 20 is respectively electrically connected with the input ends of the electric sliding table 3, the electric telescopic rod 7 and the motor 8, external control signals can be received and transmitted to the PLC controller 20, the electric sliding table 3, the electric telescopic rod 7 and the motor 8 are controlled by, the projector is convenient for people to adjust.

When in use, the electric telescopic rod 7 can be driven to move left and right through the electric sliding table 3 and the guide rail 4, the shell 10 can be driven to move up and down through the electric telescopic rod 7, the driving gear 15 can be driven to rotate through the motor 8, the rotating shaft 17 can be driven to rotate under the action of the driven gear 14, the instrument body 9 can be driven to horizontally rotate through the rotating shaft 17, the instrument body 9 can be driven to rotate up, down, left and right and horizontally under the action of the electric sliding table 3, the electric telescopic rod 7 and the motor 8, the adjusting requirement of people on the projector can be greatly met, the wireless receiver 19 can receive an external control signal and transmit the external control signal to the PLC controller 20, the electric sliding table 3, the electric telescopic rod 7 and the motor 8 are controlled through the PLC controller 20, the adjustment of the projector by people is facilitated, the rotating angle of the rotating shaft 17, and will detect data and give wireless transmitter 18, utilize wireless transmitter 18 can give the staff with data transmission, make things convenient for people in time to know the turned angle of pivot 17, avoid the too big circuit winding that leads to of turned angle, solved present projecting apparatus and all fixed in a position, the problem that people were not convenient for adjusted.

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 multimedia teaching is with projecting apparatus convenient to adjust, includes roof (1) and fixed plate (2), its characterized in that: the fixed plate (2) is fixedly connected with the roof (1) through screws, the bottom of the fixed plate (2) is fixedly connected with a guide rail (4), the outer surface of the guide rail (4) is connected with an electric sliding table (3) in a sliding manner, the bottom of the electric sliding table (3) is fixedly provided with an electric telescopic rod (7), the bottom of the electric telescopic rod (7) is fixedly connected with a shell (10), the middle part of the inner cavity of the shell (10) is provided with a mounting groove (12), the middle end of the top of the inner cavity of the mounting groove (12) is rotatably connected with a rotating shaft (17) through a bearing, the bottom of the rotating shaft (17) extends to the lower part of the bottom of the shell (10) and is fixedly connected with an instrument body (9), an angle sensor (13) is installed between the rotating shaft (17) and the top of the inner, the right side fixed mounting of casing (10) has motor (8), the output shaft of motor (8) extends to the inner chamber of mounting groove (12), the surface cover of motor (8) output shaft is equipped with driving gear (15), driving gear (15) are connected with driven gear (14) meshing, the middle-end fixed mounting at casing (10) top has control box (5).

2. The projector for multimedia teaching of claim 1, wherein the projector comprises: the top of control box (5) inner chamber fixed mounting has wireless transmitter (18), the input of wireless transmitter (18) and the output electric connection of angle sensor (13).

3. The projector for multimedia teaching of claim 1, wherein the projector comprises: the left side fixed mounting of control box (5) inner chamber has wireless receiver (19), the bottom fixed mounting of control box (5) inner chamber has PLC controller (20), the input of PLC controller (20) and the output electric connection of wireless receiver (19), the output of PLC controller (20) respectively with the input electric connection of electric sliding table (3), electric telescopic handle (7) and motor (8).

4. The projector for multimedia teaching of claim 1, wherein the projector comprises: the guide rail (4) is fixedly connected with baffle plates (6) at the left end and the right end, and the tops of the baffle plates (6) are fixedly connected with the bottoms of the fixed plates (2).

5. The projector for multimedia teaching of claim 1, wherein the projector comprises: annular chute (11) have been seted up to the bottom of casing (10), the top fixedly connected with annular slider (16) of instrument body (9), annular slider (16) and the inner chamber sliding connection of annular chute (11).