CN206846257U - Multimedia teaching projecting apparatus movable type mounting bracket - Google Patents

Abstract

The utility model discloses a mobile installation frame of a multimedia teaching projector. The mobile installation frame of the multimedia teaching projector comprises: a base, a plurality of wheels are arranged on the bottom of the base; a frame, the frame is arranged on the base, and the frame includes The upper frame and the lower frame, the upper frame is sleeved on the lower frame, there is a bracket electric push rod between the upper bracket and the lower bracket, the bracket electric push rod can drive the upper frame to rise or fall; fixed plate, fixed plate It is fixed around the lower frame by bolts; the top plate is hinged to the upper frame through a hinge shaft and is located on the top of the upper frame; the top plate electric push rod, one end of the top plate electric push rod is fixed on the upper bracket, and the other end of the top plate electric push rod Connected to the top plate; the projector mounting seat is fixed on the top plate. The utility model is used to realize the sharing of the projector while installing the projector, and reduces the investment cost of multimedia teaching.

Description

Multimedia teaching projector mobile mounting frame

technical field

The utility model relates to the field of multimedia teaching, in particular to a mobile mounting frame for a multimedia teaching projector.

Background technique

With the development of computer and projection technology, multimedia teaching has been widely promoted. At present, in the process of multimedia teaching, it is necessary to install projection equipment in every classroom to be able to carry out multimedia teaching. Each classroom is equipped with a projector and the investment cost is high. Many remote and impoverished areas cannot use multimedia for teaching, which is not conducive to the promotion of multimedia teaching.

Therefore, it is necessary to develop a mobile mounting frame for multimedia teaching projectors capable of sharing projectors.

Utility model content

The purpose of the utility model is to provide a movable mounting frame for a multimedia teaching projector, which is used for installing the projector and realizing sharing of the projector at the same time, thereby reducing the investment cost of the multimedia teaching.

In order to achieve the above purpose, the utility model provides a mobile mounting frame for a multimedia teaching projector, comprising:

a base, the bottom of which is provided with a plurality of wheels;

A frame, the frame is arranged on the base, the frame includes an upper frame and a lower frame, the upper frame is sleeved on the lower frame, between the upper frame and the lower frame A bracket electric push rod is provided, and the bracket electric push rod can drive the upper frame to rise or fall;

a fixing plate, the fixing plate is fixed around the lower frame by bolts;

a top plate, the top plate is hinged to the upper frame through a hinge shaft, and is located at the top of the upper frame;

A top board electric push rod, one end of the top board electric push rod is fixed on the upper bracket, and the other end of the top board electric push rod is connected to the top board;

A projector mount, the projector mount is fixed on the top board.

Preferably, it includes: a junction box, the junction box is arranged on the top board, the junction box includes: a power socket, a power connection line, a network port and a serial port, the power connection line is connected to the power supply, and the power supply socket The projector can be powered, and the network port and the serial port are connected to the signal source through communication.

Preferably, at least one wheel among the plurality of wheels is a universal wheel.

Preferably, the number of wheels is 3-6.

Preferably, the projector mounting base is a topless box with an opening on one side, and the bottom of the projector mounting base is an inclined plane facing upward along the inclined plane toward one side of the opening.

Preferably, the top plate is an iron plate with ventilation holes in the middle, and the ventilation holes are circular and/or strip-shaped.

Preferably, it includes: a cooling fan, the cooling fan is arranged at the bottom of the top plate, and the air outlet direction of the cooling fan corresponds to the ventilation hole.

Preferably, it includes: a drive motor for a bracket electric push rod and a drive motor for a top plate electric push rod, the drive motor for a bracket electric push rod and the drive motor for a top plate electric push rod are arranged inside the fixing plate.

Preferably, it includes: a remote control device, the remote control device is communicatively connected to the drive motor of the bracket electric push rod and the drive motor of the top plate electric push rod, and the remote control device can control the drive motor of the support electric push rod and the Opening and closing of the top plate electric push rod drive motor.

The beneficial effects of the utility model are: by setting a plurality of wheels at the bottom of the base, by installing the projector on the mobile installation frame of the multimedia teaching projector, the projector can be moved according to the actual teaching needs, which reduces the investment cost of multimedia teaching and facilitates projection At the same time, it is convenient to adjust the projection height of the projector through the setting of the upper frame, the lower frame and the electric push rod of the bracket, and adjust the projection angle of the projector through the setting of the top plate and the top plate electric push rod, so that the projector can be used more For convenience.

The present invention has other features and advantages which will be apparent from or will be apparent from the accompanying drawings and the following detailed examples incorporated herein Described in detail, these drawings and specific embodiments are jointly used to explain the specific principles of the present invention.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing the exemplary embodiments of the present invention in more detail in conjunction with the accompanying drawings, wherein, in the exemplary embodiments of the present invention, the same reference Reference numerals generally represent the same parts.

Fig. 1 shows a schematic diagram of a mobile mounting frame for a multimedia teaching projector according to an embodiment of the present invention.

Fig. 2 shows a top view of a mobile installation frame for a multimedia teaching projector according to an embodiment of the present invention.

Explanation of reference signs:

1. Base; 2. Upper frame; 3. Lower frame; 4. Fixed plate; 5. Top plate; 6. Top plate electric push rod; 7. Bracket electric push rod; Beam; 10, lower support beam; 11, wheel; 12, junction box; 13, power socket; 14, junction box.

detailed description

Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of this disclosure to those skilled in the art.

According to the utility model, the mobile installation frame of the multimedia teaching projector comprises:

a base, a plurality of wheels are arranged on the bottom of the base;

Frame, the frame is arranged on the base, the frame includes an upper frame and a lower frame, the upper frame is sleeved on the lower frame, and a bracket electric push rod is arranged between the upper bracket and the lower bracket, and the bracket electric push rod can Drive the upper rack up or down;

The fixed plate is fixed around the lower frame by bolts;

The top plate, the top plate is hinged to the upper frame through the hinge shaft, and is located on the top of the upper frame;

Top plate electric push rod, one end of the top plate electric push rod is fixed on the upper bracket, and the other end of the top plate electric push rod is connected to the top plate;

The projector mount, the projector mount is fixed on the top plate.

Specifically, the upper frame and the lower frame are respectively provided with an upper frame beam and a lower frame beam, and one end of the bracket electric push rod is fixed on the upper frame beam, and the other end is fixed on the lower frame beam.

Specifically, the top board is hinged to the upper frame through a hinge shaft, the hinge shaft is arranged on one side of the top board, one end of the top board electric push rod is fixed on the upper frame beam, and the other end is fixed on one side of the top board.

Specifically, through the bracket electric push rod arranged between the upper frame and the lower frame, the upper frame is raised or lowered, and then the projector mounting seat and the projector are moved up and down, and the projection height of the projector is adjusted. The top board electric push rod arranged between the top board and the upper frame adjusts the inclination angle of the top board, and then adjusts the projection angle of the projector.

Specifically, by arranging a plurality of wheels at the bottom of the base, the mobile installation frame of the multimedia teaching projector can be moved, realizing sharing of projectors, reducing the investment cost of multimedia teaching, and facilitating the promotion of multimedia teaching.

As a preferred solution, it includes: a junction box, the junction box is arranged on the top plate, the junction box includes: a power socket, a power connection line, a network port and a serial port, the power connection line is connected to the power supply, and the power supply socket can provide power for the projector. The port and serial port communication are connected to the signal source.

Specifically, the power cable is connected to the power supply to supply power to the power socket. The socket of the projector can be plugged into the power socket to supply power to the projector. The network port and serial port are set to realize signal circulation. The projector is connected to the signal source through the cable communication, and the projector obtains the signal through the network port and the serial port to realize the signal display of the projector.

Specifically, the modular setting of the signal receiving port and the power port facilitates the wiring adjustment of the projector, and the daily use of the mobile mounting frame of the multimedia teaching projector is more convenient.

As a preferred solution, at least one of the plurality of wheels is a universal wheel, and the design of one universal wheel makes the movement of the mobile mounting frame of the multimedia teaching projector more convenient.

As a preferred solution, the number of wheels is 3-6.

As a preferred solution, the projector installation seat is a topless box with an opening on one side, and the bottom of the installation seat is an inclined plane and faces the side of the opening along the upward direction of the inclined plane.

Specifically, the projector is fixed on the projector mounting seat by bolts. The projector mounting seat is a topless box with an opening on one side, which makes the projector more stable and prevents the projector pulley from loosening the bolts. The height of the mobile mounting bracket is limited, and the bottom of the mounting base is designed to be inclined, so that the initial direction of the projector's projection is inclined upward, giving the projector a certain initial height for projection, which is convenient for subsequent adjustment of the projection direction of the projector.

As a preferred solution, the top plate is an iron plate with ventilation holes in the middle, and the ventilation holes are circular and/or strip-shaped.

As a preferred solution, it includes: a cooling fan, the cooling fan is arranged at the bottom of the top plate, and the air outlet direction of the cooling fan corresponds to the ventilation hole.

Specifically, multiple classrooms share the projector through the mobile installation frame of the multimedia teaching projector, so that the use time of a single projector is prolonged, and a cooling fan is set to cool down the projector, so that the service life of the projector is longer.

As a preferred solution, it includes: a drive motor for the electric push rod of the bracket and a drive motor for the electric push rod of the top plate, and the drive motor of the electric push rod for the support and the drive motor of the electric push rod for the top plate are arranged inside the fixing plate.

As a preferred solution, it includes: a remote control device, the remote control device is communicatively connected to the bracket electric push rod drive motor and the top plate electric push rod drive motor, and the remote control device can control the opening and closing of the bracket electric push rod drive motor and the top plate electric push rod drive motor.

Specifically, the remote control device can control the opening and closing of the bracket electric push rod drive motor and the top plate electric push rod drive motor. The essence is to make the connection and closure of the circuit controlled by the remote control device. The control method is a prior art means.

The beneficial effects of the utility model are that the portable infrared rangefinder of the utility model is hinged to the base and the protractor through the main body of the infrared rangefinder, and can measure the height of any point on the wall to be measured when there is no obstruction at the point to be measured. It can measure the angle between the connection line between the point to be measured and the measuring point and the ground, which is convenient for the planning and execution of construction and decoration.

Example:

Fig. 1 shows a schematic diagram of a mobile mounting frame for a multimedia teaching projector according to an embodiment of the present invention. Fig. 2 shows a top view of a mobile installation frame for a multimedia teaching projector according to an embodiment of the present invention.

As shown in Figure 1-2, this mobile installation frame for a multimedia teaching projector includes:

Base 1, three wheels 11 are arranged on the bottom of base 1;

Frame, the frame is set on the base 1, the frame includes an upper frame 2 and a lower frame 3, the upper frame 2 is set on the lower frame 3, and a bracket electric pusher is arranged between the upper frame 2 and the lower frame 3 Rod 7, the bracket electric push rod 7 can drive the upper frame 2 to rise or fall;

Fixed plate 4, fixed plate 4 is fixed around the lower frame 3 by bolts;

The top plate 5, the top plate 5 is hinged to the upper frame 2 through a hinge shaft, and is located at the top of the upper frame 2;

The top plate electric push rod 6, one end of the top plate electric push rod 6 is fixed on the upper bracket 2, and the other end of the top plate electric push rod 6 is connected to the top plate 5;

The projector mount 8 is fixed on the top plate 5 .

Wherein, comprise: junction box 12, junction box 12 is arranged on the top plate 5, junction box 12 comprises: power socket 13, power connection line (not shown), network port 14 and serial port 15, power connection line is connected to power supply, power supply The socket 13 can supply power for the projector, and the network port 14 and the serial port 15 are communicatively connected to the signal source.

Wherein, a universal wheel in 3 wheels.

Wherein, the projector mounting base 8 is a topless box body with an opening on one side, and the bottom of the projector mounting base 8 is an inclined plane and faces the side of the opening along the upward direction of the inclined plane.

Wherein, the top plate 5 is an iron plate provided with ventilation (not shown) in the middle, and the ventilation holes are circular and/or strip-shaped.

Wherein, it includes: a cooling fan (not shown), the cooling fan is arranged at the bottom of the top plate, and the air outlet direction of the cooling fan corresponds to the ventilation hole.

Wherein, including: a bracket electric push rod driving motor (not shown) and a top board electric push rod driving motor (not shown), the bracket electric push rod driving motor and the top board electric push rod driving motor are arranged on the inside of the fixed plate 4 .

It includes: a remote control device (not shown), the remote control device is communicatively connected to the drive motor of the bracket electric push rod and the drive motor of the top plate electric push rod, and the remote control device can control the opening of the support electric push rod drive motor and the top plate electric push rod drive motor with closure.

Specifically, the upper frame 2 and the lower frame 3 are respectively provided with an upper frame beam 9 and a lower frame beam 10, and one end of the bracket electric push rod 7 is fixed on the upper frame beam 9, and the other end is fixed on the lower frame beam 10. superior.

When in use, the projector is installed on the projector mounting base 8, and according to actual needs, the multimedia teaching projector mobile mounting frame is moved to the required classroom through the wheels 11 arranged at the bottom of the base 1, thereby realizing the sharing of multiple classrooms. projector. When using the projector, the upper frame 2 is raised or lowered by the bracket electric push rod 7 arranged between the upper frame 2 and the lower frame 3, thereby driving the projector mount 8 and the projector to move up and down, Adjust the projection height of the projector, adjust the inclination angle of the top board 5 through the top board electric push rod 6 arranged between the top board 5 and the upper frame 2, and then adjust the projection angle of the projector.

Those skilled in the art should understand that the purpose of the above description of the embodiments of the present invention is only to illustrate the beneficial effects of the embodiments of the present invention, and is not intended to limit the embodiments of the present invention to the given any examples.

Various embodiments of the present invention have been described above, the above description is illustrative, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and alterations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principle of each embodiment, practical application or technical improvement in the market, or to enable other ordinary skilled in the art to understand each embodiment disclosed herein.

Claims (7)

1. A mobile mounting frame for multimedia teaching projector, characterized in that, comprising: a base, the bottom of which is provided with a plurality of wheels; A frame, the frame is arranged on the base, the frame includes an upper frame and a lower frame, the upper frame is sleeved on the lower frame, and the upper frame and the lower frame A bracket electric push rod is arranged between them, and the bracket electric push rod can drive the upper frame to rise or fall; a fixing plate, the fixing plate is fixed around the lower frame by bolts; a top plate, the top plate is hinged to the upper frame through a hinge shaft, and is located at the top of the upper frame; A top board electric push rod, one end of the top board electric push rod is fixed on the upper frame, and the other end of the top board electric push rod is connected to the top board; A projector mount, the projector mount is fixed on the top board. 2. The mobile installation frame for multimedia teaching projector according to claim 1, characterized in that it comprises: a junction box, the junction box is arranged on the top plate, and the junction box includes: a power socket, a power connection line , a network port and a serial port, the power connection line is connected to the power supply, and the power socket can supply power for the projector, and the network port and the serial port are connected to a signal source for communication. 3. The mobile mounting frame for multimedia teaching projector according to claim 1, characterized in that at least one of the plurality of wheels is a universal wheel. 4. The mobile installation frame for multimedia teaching projector according to claim 1, characterized in that, the number of the plurality of wheels is 3-6. 5. The mobile mounting frame for a multimedia teaching projector according to claim 1, wherein the projector mounting base is a topless box with an opening on one side, and the bottom of the projector mounting base is an inclined plane and Towards the side of the opening in the upward direction of the bevel. 6 . The mobile installation frame for multimedia teaching projector according to claim 1 , wherein the top plate is an iron plate with ventilation holes in the middle, and the ventilation holes are circular and/or strip-shaped. 7 . 7. The mobile installation frame for multimedia teaching projector according to claim 6, characterized in that it comprises: a cooling fan, the cooling fan is arranged at the bottom of the top plate, and the air outlet direction of the cooling fan is in line with the ventilation direction. corresponding to the hole.