CN216383514U

CN216383514U - Supporting device for multimedia projector

Info

Publication number: CN216383514U
Application number: CN202123043333.7U
Authority: CN
Inventors: 许如兵
Original assignee: Shanghai Huizai Exhibition Display Co ltd
Current assignee: Shanghai Huizai Exhibition Display Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-26
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a supporting device for a multimedia projector, which comprises a shell and a box door, wherein the box door is installed on the front surface of the shell through a sliding rail strip, and a projection window is embedded and installed on the front surface of the box door; two groups of electric telescopic rods are mounted on the outer surfaces of the two sides of the shell through connecting plates, a push switch is mounted on the back surface of the shell, and the push switch is electrically connected with the electric telescopic rods; and the top end of the electric telescopic rod is provided with a connecting flange. According to the utility model, the electric telescopic rod and the press switch are arranged on the shell, after the device is powered on, the press switch can be pushed by external force, at the moment, the press switch transmits electric energy to the inside of the electric telescopic rod, the electric telescopic rod extends to drive the shell to move downwards, the height of the device is adjusted, and when the device reaches a proper height, the press switch can be closed by the external force to finish the height adjustment of the device, so that the convenience of the height adjustment of the device is improved, and the use experience of the device is improved.

Description

Supporting device for multimedia projector

Technical Field

The utility model relates to the technical field of projectors, in particular to a supporting device for a multimedia projector.

Background

Along with the continuous development of modern society and the continuous promotion of economic level, domestic education and training industry is also constantly developing, and in the in-process that goes on of education and training industry, the multimedia projector is as a projection arrangement wherein core component, and its main function is, utilize its inside optical system, with light and information projection to curtain surface, make things convenient for student and the personnel of waiting to train, look over picture and information, and in current multimedia projector use, for guaranteeing multimedia projector's use often needs, place multimedia projector in the inside of external strutting arrangement, provide the fixed point for multimedia projector.

The supporting device for the media projector in the prior art has the following defects:

1. the patent document CN213479778U discloses a projector supporting device for information-based teaching, the utility model relates to the technical field of projector supporting, and discloses a projector supporting device for information-based teaching, which solves the problem that the installation position of a projector in the current market is generally fixed, so that the area of a projector capable of projecting images is also fixed, and the existing projector supporting device is supported stably by a triangular bracket, so that the occupied area of the projector supporting device is large, and the normal running of pedestrians is influenced, and the projector supporting device comprises a column support rod, a supporting bottom plate is arranged at the bottom of the column support rod, an extending chute is arranged in the supporting bottom plate, an extending sliding plate is movably inserted in the extending chute, and two ends of the extending sliding plate penetrate through the extending chute, the utility model has the advantages of realizing the fixed connection of the projector, supporting the projector at different heights and realizing the expanding supporting bottom surface of the column support rod, make the more steady support of the projecting apparatus at stand branch top fixed ", this projecting apparatus strutting arrangement causes because of its automatic height-adjusting part, often needs to be manual to carry out height control to the multiunit support column in the device use, and then influences the device and uses experience.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a supporting device for a multimedia projector, which solves the above problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: a supporting device for a multimedia projector comprises a shell and a box door, wherein the box door is installed on the front surface of the shell through a sliding rail bar, and a projection window is embedded in the front surface of the box door;

two groups of electric telescopic rods are mounted on the outer surfaces of the two sides of the shell through connecting plates, a push switch is mounted on the back surface of the shell, and the push switch is electrically connected with the electric telescopic rods;

and the top end of the electric telescopic rod is provided with a connecting flange.

Preferably, the back surface of the shell is provided with a power line, the power line is positioned on one side of the press switch and electrically connected with the press switch, and the tail end of the power line is provided with a plug.

Preferably, the data hole is installed on the back surface of the shell, and the data hole is located above the power line.

Preferably, the back inner wall of casing installs the wire, and the wire respectively with power cord and data hole electric connection, the input head is installed to the tail end of wire.

Preferably, a display screen is mounted on the back surface of the shell, and the display screen is respectively positioned on the inner sides of the push switch and the power line.

Preferably, the bottom of the shell is provided with an inclination angle sensor, and the inclination angle sensor is electrically connected with the display screen.

Preferably, two groups of ventilation fans are installed on the top of the shell in a penetrating mode, and the ventilation fans are electrically connected with the power line.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the electric telescopic rod and the press switch are installed, after the device is powered on, the press switch can be pushed by external force, at the moment, the press switch transmits electric energy to the inside of the electric telescopic rod, the electric telescopic rod extends to drive the shell to move downwards, the height of the device is adjusted, and when the device reaches a proper height, the press switch can be closed by the external force to finish the height adjustment of the device, so that the convenience of the height adjustment of the device is improved, and the use experience of the device is improved.

2. According to the utility model, the display screen and the inclination angle sensor are installed, the electrified inclination angle sensor of the device detects the inclination angle of the device, the inclination information is converted into the electric signal and transmitted to the inside of the display screen, the electric signal transmitted to the inside of the inclination angle sensor by the display screen is converted into the digital signal and displayed, the user can conveniently check the inclination angle of the device, and the application range of the device is improved.

3. According to the utility model, the ventilating fan is arranged, and after the device is powered on, the ventilating fan drives the fan blades arranged on the outer surface of the ventilating fan to rotate through the electromagnetic effect, so that the air flow rate in the shell is accelerated, and the multimedia projector is cooled, therefore, the service life of the multimedia projector is prolonged, and the application range of the device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the back side of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional partial structural schematic view of the housing of the present invention;

fig. 4 is a schematic structural view of the bottom part of the shell of the present invention.

In the figure: 1. a housing; 2. a box door; 3. a projection window; 4. an electric telescopic rod; 5. a push switch; 6. a connecting flange; 7. a power line; 8. a plug; 9. a data hole; 10. a wire; 11. an input head; 12. a display screen; 13. a tilt sensor; 14. a ventilation fan.

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, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention: a support device for a multimedia projector;

the first embodiment comprises a shell 1 and a box door 2, the box door 2 is installed on the front surface of the shell 1 through a slide rail bar, the shell 1 provides a fixing point for the box door 2 installed on the outer surface and inside of the shell 1, an electric telescopic rod 4, a push switch 5, a power line 7, a data hole 9, a lead 10, a display screen 12, an inclination angle sensor 13 and a ventilation fan 14, and provides a containing space for a multimedia projector placed inside the shell, the box door 2 is installed on the front surface of the shell 1, the front surface of the shell 1 provides an opening and closing space, the box door 2 is pulled by external force before the device is used, at this time, the box door 2 moves along the slide rail bar to open the shell 1, then the multimedia projector is placed inside the shell 1, the projection window 3 is embedded on the front surface of the box door 2, the box door 2 is installed on the front surface of the box door 2, and has good light transmittance, when the multimedia projector is powered on, light is guided to the outside of the shell 1, the light scattered by the projector can irradiate the outer surface of the curtain; a connecting flange 6 is installed at the top end of the electric telescopic rod 4, after the multimedia projector is placed, an external bolt is inserted into the connecting flange 6 through external force, and the external bolt is inserted into the top of an external room, the fixing of the device is completed, a power line 7 is installed at the back of the shell 1, the power line 7 is positioned at one side of the press switch 5, the power line 7 is electrically connected with the press switch 5, when electric energy is transmitted into the power line 7 through the plug 8, the power line 7 respectively transmits the electric energy into the press switch 5, a lead 10, an inclination angle sensor 13 and a ventilation fan 14, the plug 8 is installed at the tail end of the power line 7, after the fixing of the device is completed, the plug 8 is inserted into the external power supply, at the moment, the plug 8 transmits the electric energy into the power line 7, a data hole 9 is installed at the back of the shell 1, and the data hole 9 is positioned above the power line 7, after the power connection is accomplished, insert the inside of data hole 9 with external information conduction device's output, data hole 9 this moment is with the inside of signal of telecommunication conduction to wire 10, wire 10 is installed to casing 1's back inner wall, and wire 10 respectively with power cord 7 and data hole 9 electric connection, wire 10 conducts power cord 7 to its inside electric energy and data hole 9 conduction to its inside signal of telecommunication, the inside of input head 11 is caused in the conduction, input head 11 is installed to the tail end of wire 10, insert the inside of multimedia projector with input head 11 through external force after the device circular telegram, input head 11 this moment is with the inside of electric energy and signal of telecommunication conduction to multimedia projector, drive multimedia projector works.

As shown in fig. 1 and 2, a supporting device for a multimedia projector;

embodiment two, including casing 1 and electric telescopic handle 4, two sets of electric telescopic handle 4 are installed through the connecting plate to the both sides surface of casing 1, when the electric energy conducts to electric telescopic handle 4's inside via push switch 5, electric telescopic handle 4 is extended or is shrink by current direction control, drive casing 1 downward or rebound, adjusting device's height, the back mounted of casing 1 has push switch 5, and push switch 5 and electric telescopic handle 4 electric connection, the device circular telegram back, can promote push switch 5 via external force, push switch 5 conducts the inside to electric telescopic handle 4 with the electric energy this moment, when the device reachs suitable height, can close push switch 5 via external force, accomplish the height-adjusting of device, thereby the convenience that the hoisting gear increased, improve the device and use experience.

As shown in fig. 1 and 4, a supporting device for a multimedia projector;

third embodiment, including casing 1 and display screen 12, the back mounted of casing 1 has display screen 12, and display screen 12 is located push switch 5 and power cord 7's inboard respectively, display screen 12 transmits inclination sensor 13 to its inside signal of telecommunication transformation digital signal and shows, the person of facilitating the use looks over the inclination of device, hoisting device application scope, inclination sensor 13 is installed to the bottom of casing 1, and inclination sensor 13 and display screen 12 electric connection, inclination sensor 13 detects the inclination of device after the device circular telegram, and turn into the inside of signal of telecommunication transmission to display screen 12 with inclination information.

As shown in fig. 1 and 2, a supporting device for a multimedia projector;

the fourth embodiment comprises a casing 1 and two sets of ventilators 14, wherein the two sets of ventilators 14 are installed at the top of the casing 1 in a penetrating manner, the ventilators 14 are electrically connected with the power line 7, and after the device is powered on, the ventilators 14 drive blades installed on the outer surface of the ventilators to rotate through an electromagnetic effect, so that the air flow rate inside the casing 1 is accelerated, the multimedia projector is cooled, the service life of the multimedia projector is prolonged, and the application range of the device is improved.

The working principle is as follows: firstly, pulling the box door 2 by external force, at the moment, moving the box door 2 along the sliding rail strips to open the shell 1, then placing the multimedia projector in the shell 1, then inserting the external bolt into the connecting flange 6 by external force and inserting the external bolt into the top of an external room to complete the fixation of the device, inserting the input head 11 into the multimedia projector by external force, then inserting the output end of the external information conduction device into the data hole 9, at the moment, inserting the plug 8 into the internal of the external power supply, conducting the electric energy to the internal of the power line 7 by the plug 8, respectively conducting the electric energy to the internal of the press switch 5, the lead 10, the inclination angle sensor 13 and the ventilation fan 14 by the power line 7, simultaneously conducting the electric signal to the internal of the lead 10 by the data hole 9, conducting the electric energy from the power line 7 to the internal of the lead 10 and conducting the electric signal to the internal of the data hole 9 by the lead 10, the power is conducted to the inside of the input head 11, and the input head 11 conducts the electric energy and the electric signal to the inside of the multimedia projector to drive the multimedia projector to work.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A support device for a multimedia projector, comprising a housing (1) and a door (2), characterized in that: a box door (2) is mounted on the front surface of the shell (1) through a sliding rail strip, and a projection window (3) is embedded in the front surface of the box door (2);

two groups of electric telescopic rods (4) are mounted on the outer surfaces of two sides of the shell (1) through connecting plates, a push switch (5) is mounted on the back surface of the shell (1), and the push switch (5) is electrically connected with the electric telescopic rods (4);

and a connecting flange (6) is installed at the top end of the electric telescopic rod (4).

2. A supporting device for a multimedia projector according to claim 1, wherein: the back mounted of casing (1) has power cord (7), and power cord (7) are located push switch (5) one side, and power cord (7) and push switch (5) electric connection, plug (8) are installed to the tail end of power cord (7).

3. A supporting device for a multimedia projector according to claim 1, wherein: the back surface of the shell (1) is provided with a data hole (9), and the data hole (9) is positioned above the power line (7).

4. A supporting device for a multimedia projector according to claim 1, wherein: wire (10) are installed to the back inner wall of casing (1), and wire (10) respectively with power cord (7) and data hole (9) electric connection, input head (11) are installed to the tail end of wire (10).

5. A supporting device for a multimedia projector according to claim 1, wherein: the back surface of the shell (1) is provided with a display screen (12), and the display screen (12) is respectively positioned on the inner sides of the press switch (5) and the power line (7).

6. A supporting device for a multimedia projector according to claim 1, wherein: inclination angle sensor (13) is installed to the bottom of casing (1), and inclination angle sensor (13) and display screen (12) electric connection.

7. A supporting device for a multimedia projector according to claim 1, wherein: two groups of ventilation fans (14) are installed on the top of the shell (1) in a penetrating mode, and the ventilation fans (14) are electrically connected with the power line (7).