CN213122581U

CN213122581U - Portable digital media projection equipment

Info

Publication number: CN213122581U
Application number: CN202022562245.7U
Authority: CN
Inventors: 汤智勇
Original assignee: Anhui Xinhua University
Current assignee: Anhui Xinhua University
Priority date: 2020-11-08
Filing date: 2020-11-08
Publication date: 2021-05-04
Anticipated expiration: 2030-11-08

Abstract

The utility model relates to a portable digital media projection device, which comprises a shell and a projector arranged in the shell, wherein the shell is provided with a containing cavity, and a lifting mechanism and a plurality of supporting mechanisms are arranged in the shell; lifting mechanism is including locating the backup pad of accomodating the cavity bottom, connecting the first cavity support column at the backup pad lower extreme, locating first lead screw in the first cavity support column, connecting at the first motor of first lead screw one end, connecting a plurality of connecting plate, swing joint on the connecting plate of backup pad upper end, connect the pivot in the pivot, connect the mounting panel in the pivot, connect the adjust knob in pivot one end, connect stopper and the gag lever post of connection between stopper and pivot on the connecting plate near the pivot other end, the projector connects on the mounting panel. This portable digital media projection equipment, but height-adjusting, the input angle of the also convenient regulation projecting apparatus, the adjustability is higher, is applicable to in the operational environment of difference, and portable.

Description

Portable digital media projection equipment

Technical Field

The utility model belongs to the technical field of digital media, concretely relates to portable digital media projection equipment.

Background

Along with the improvement of the living standard of people, projectors are used more and more in various office places, the existing projectors are widely used in movie projection in student classrooms, company office places, meeting rooms and villages, irreplaceable important functions are played when people work, the existing portable digital media projection device has defects in the using process, particularly in the projection of movies in the lower countryside, in the open places, the projectors are easily influenced by the environment when being used, the projections can be influenced due to the fact that the unevenness of a placing plane can cause the projectors to be used, the placing angle of the projectors can not be conveniently adjusted, and the projectors are inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a portable digital media projection device with simple structure and reasonable design for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a portable digital media projection device comprises a shell and a projector arranged in the shell, wherein a containing cavity is arranged on the shell, and a lifting mechanism and a plurality of supporting mechanisms are arranged in the shell;

the lifting mechanism comprises a supporting plate arranged at the bottom of the containing cavity, a first hollow supporting column connected to the lower end of the supporting plate, a first screw rod arranged in the first hollow supporting column, a first motor connected to one end of the first screw rod, a plurality of connecting plates connected to the upper end of the supporting plate, a rotating shaft movably connected to the connecting plates, a mounting plate connected to the rotating shaft, an adjusting knob connected to one end of the rotating shaft, a limiting block connected to the connecting plate close to the other end of the rotating shaft and a limiting rod connected between the limiting block and the rotating shaft, the projector is connected to the mounting plate, a sealing plate is connected to the upper end of the connecting plate, and the first hollow;

the supporting mechanism comprises a second motor arranged in the shell, a second screw rod connected to an output shaft of the second motor, a second hollow supporting column sleeved on the second screw rod, and a bottom plate connected to the lower end of the second hollow supporting column, and the second hollow supporting column is in threaded connection with the second screw rod.

As a further optimization scheme of the utility model, accomodate the cavity bottom be equipped with first cavity support column matched with first spacing groove, first spacing groove with accomodate the cavity intercommunication, be equipped with in the shell with second cavity support column matched with second spacing groove.

As the utility model discloses a further optimization scheme, be equipped with the spacing perforation of a plurality of on the other end of pivot, be equipped with on the stopper with spacing perforation matched with slot, the diameter of gag lever post is the same with spacing fenestrate internal diameter.

As a further optimization scheme of the utility model, the front end of shell is equipped with control panel, all is connected with the handle on the both sides wall of shell, and the rear end of shell is equipped with the mouth that charges, the equal and control panel electric connection of first motor and second motor.

As a further optimization scheme of the utility model, the other end of first lead screw and the one end of second lead screw all are connected with the anticreep dish.

The beneficial effects of the utility model reside in that:

1) the utility model can adjust the height of the whole device, can also adjust the supporting height of the single supporting column according to the adaptability of the actual using platform, can also conveniently adjust the throwing angle of the projector, has higher adjustability, is suitable for different working environments and is convenient to carry;

2) the space between the sealing plate and the supporting plate of the utility model can store the connecting wires and the like needed by the projector, and the projector and the accessory equipment thereof can be effectively prevented from being influenced by the outside world in the process of carrying and moving through the sealing function of the sealing plate, thus the safety is higher;

3) the utility model discloses simple structure, stability is high, reasonable in design, the realization of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

fig. 3 is a partial sectional view of the rotating shaft of the present invention.

In the figure: 1. a housing; 101. a sealing plate; 102. a control panel; 103. a handle; 104. a receiving chamber; 2. a projector; 301. a first motor; 302. a first lead screw; 303. a first hollow support column; 304. a support plate; 305. a connecting plate; 306. mounting a plate; 307. a rotating shaft; 308. adjusting a knob; 309. a limiting block; 310. a limiting rod; 311. limiting and perforating; 401. a second motor; 402. a second hollow support column; 403. a second lead screw; 404. a base plate.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.

Example 1

As shown in fig. 1-3, a portable digital media projection device includes a housing 1 and a projector 2 disposed in the housing 1, wherein a receiving chamber 104 is disposed on the housing 1, and a lifting mechanism and a plurality of supporting mechanisms are disposed in the housing 1; the height of adjustable whole device also can carry out the support height of the solitary rest post of adjustment of adaptability according to the in-service use platform, the angle of input of also convenient regulation projecting apparatus 2, and the adjustability is higher, is applicable to among the operational environment of difference, and portable.

As shown in fig. 2 and 3, the lifting mechanism includes a supporting plate 304 disposed at the bottom of the receiving chamber 104, a first hollow supporting column 303 connected to the lower end of the supporting plate 304, a first screw 302 disposed in the first hollow supporting column 303, a first motor 301 connected to one end of the first screw 302, a plurality of connecting plates 305 connected to the upper end of the supporting plate 304, a rotating shaft 307 movably connected to the connecting plates 305, a mounting plate 306 connected to the rotating shaft 307, an adjusting knob 308 connected to one end of the rotating shaft 307, a limiting block 309 connected to the connecting plate 305 near the other end of the rotating shaft 307, and a limiting rod 310 connected between the limiting block 309 and the rotating shaft 307, the projector 2 is connected to the mounting plate 306, the upper end of the connecting plate 305 is connected to the sealing plate 101, and the first; the bottom of the containing cavity 104 is provided with a first limiting groove matched with the first hollow supporting column 303, the first limiting groove is communicated with the containing cavity 104, and a second limiting groove matched with the second hollow supporting column 402 is arranged in the shell 1; the other end of the rotating shaft 307 is provided with a plurality of limiting through holes 311, the limiting block 309 is provided with a slot matched with the limiting through holes 311, and the diameter of the limiting rod 310 is the same as the inner diameter of the limiting through holes 311.

As shown in fig. 2, the supporting mechanism includes a second motor 401 disposed in the housing 1, a second lead screw 403 connected to an output shaft of the second motor 401, a second hollow supporting column 402 sleeved on the second lead screw 403, and a bottom plate 404 connected to a lower end of the second hollow supporting column 402, wherein the second hollow supporting column 402 is in threaded connection with the second lead screw 403.

As shown in fig. 1, a control panel 102 is disposed at the front end of the housing 1, handles 103 are connected to two side walls of the housing 1, a charging port is disposed at the rear end of the housing 1, and the first motor 301 and the second motor 401 are electrically connected to the control panel 102. The battery may be disposed in the housing 1, or may be connected to an external ac power, and the operating state of each motor may be controlled by connecting a wire to the charging port through the control panel 102.

The other end of the first screw 302 and one end of the second screw 403 are both connected with an anti-falling disc. The anti-slip disc can prevent the hollow support column from slipping off the corresponding screw rod.

When the device is used, the whole device is powered on, adaptive adjustment is carried out according to the surface condition of a platform which is actually placed, a plurality of second motors 401 can be independently controlled to work through the control panel 102 during adjustment, the second motors 401 drive the second screw rods 403 to rotate after working, the second screw rods 403 drive the second hollow support columns 402 to move towards the outside of the shell 1 along the second screw rods 403 after rotating, the moving distance of the second hollow support columns 402 can be controlled according to actual requirements to adapt to different placing platforms, meanwhile, the height of the whole device can also be adjusted, then, the first motor 301 is controlled to work, the working principle between the first motor 301 and the first hollow support columns 303 is the same as that of an adjusting mechanism, the first hollow support columns 303 move upwards under the driving of the first screw rods 302 and drive the support plates 304 to move upwards together, and the device stops when the support plates 304 move to the position which is flush with the surface of the shell 1, can operate projecting apparatus 2 this moment, simultaneously, also can adjust projecting apparatus 2's projection angle according to the user demand, during the regulation, take gag lever post 310 out from pivot 307, it is no longer spacing between pivot 307 and the stopper 309 this moment, can rotate pivot 307 and drive mounting panel 306 and projecting apparatus 2 on it and rotate in the same direction together, after the regulation end with gag lever post 310 reinsert back and with pivot 307 fixed spacing can, whole accommodation process is comparatively convenient, and the controllability is stronger.

It should be noted that, the circuit board, the chip and other electrical devices connected behind the control panel 102 are prior art, and are not described herein again, and may be selected according to actual requirements.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A portable digital media projection device comprising a housing (1) and a projector (2) disposed within the housing (1), characterized in that: a containing cavity (104) is arranged on the shell (1), and a lifting mechanism and a plurality of supporting mechanisms are arranged in the shell (1);

the lifting mechanism comprises a supporting plate (304) arranged at the bottom of the accommodating cavity (104), a first hollow supporting column (303) connected to the lower end of the supporting plate (304), a first screw rod (302) arranged in the first hollow supporting column (303), a first motor (301) connected to one end of the first screw rod (302), a plurality of connecting plates (305) connected to the upper end of the supporting plate (304), a rotating shaft (307) movably connected to the connecting plates (305), a mounting plate (306) connected to the rotating shaft (307), an adjusting knob (308) connected to one end of the rotating shaft (307), a limiting block (309) connected to the connecting plate (305) close to the other end of the rotating shaft (307), and a limiting rod (310) connected between the limiting block (309) and the rotating shaft (307), the projector (2) is connected to the mounting plate (306), and a sealing plate (101) is connected to the upper, the first hollow support column (303) is in threaded connection with the first screw rod (302);

the supporting mechanism comprises a second motor (401) arranged in the shell (1), a second screw rod (403) connected to an output shaft of the second motor (401), a second hollow supporting column (402) sleeved on the second screw rod (403) and a bottom plate (404) connected to the lower end of the second hollow supporting column (402), wherein the second hollow supporting column (402) is in threaded connection with the second screw rod (403).

2. The portable digital media projection device of claim 1, wherein: the bottom of the accommodating cavity (104) is provided with a first limiting groove matched with the first hollow supporting column (303), the first limiting groove is communicated with the accommodating cavity (104), and a second limiting groove matched with the second hollow supporting column (402) is arranged in the shell (1).

3. The portable digital media projection device of claim 1, wherein: the other end of the rotating shaft (307) is provided with a plurality of limiting through holes (311), the limiting block (309) is provided with a slot matched with the limiting through holes (311), and the diameter of the limiting rod (310) is the same as the inner diameter of the limiting through holes (311).

4. The portable digital media projection device of claim 1, wherein: the front end of shell (1) is equipped with control panel (102), all is connected with handle (103) on the both sides wall of shell (1), and the rear end of shell (1) is equipped with the mouth that charges, and first motor (301) and second motor (401) all with control panel (102) electric connection.

5. The portable digital media projection device of claim 1, wherein: the other end of the first screw rod (302) and one end of the second screw rod (403) are both connected with an anti-falling disc.