CN221406318U - A projection device for cultural information dissemination - Google Patents

Abstract

The utility model provides a projection device for cultural information dissemination, which relates to the technical field of projection devices, and includes a base, a lifting mechanism 1 is placed on the top of the base, an electric telescopic rod is placed on the side of the lifting mechanism 1, a protective frame is placed on the outside of the electric telescopic rod, a projector is installed on the side of the electric telescopic rod away from the lifting mechanism 1, a lifting mechanism 2 is placed on the top of the base, a rotating shaft is placed on the top of the lifting mechanism 2, and a projection screen is placed on the top of the rotating shaft. The electric telescopic rod in this device can flexibly adjust the distance between the projector and the projection screen, and appropriately adjust the size of the projection to make the light more concentrated. The lifting mechanism 2 can adjust the height of the projection screen. At the same time, the lifting mechanism 1, the electric telescopic rod and the protective frame can further increase the service life of the device.

Description

A projection device for cultural information dissemination

Technical Field

The utility model belongs to the technical field of projection equipment, and more specifically, particularly relates to a projection equipment for cultural information dissemination.

Background technique

A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to computers, VCDs, DVDs, game consoles, DVs, etc. through different interfaces to play corresponding video signals. It is widely used in homes, offices, schools, etc. Therefore, there is an urgent need for a projection device for cultural information dissemination.

After searching, the Chinese patent CN112904659A discloses a liftable projection device for cultural propaganda, which includes a mounting plate, four corners of the bottom of the mounting plate are provided with first fastening bolts, the top of the first fastening bolt passes through the mounting plate and extends to the outside thereof, the lower end of the mounting plate is provided with a fixing frame through a connecting rod, the fixing frame is provided with a through hole, the lower end of the fixing frame is provided with a fixing plate through a lifting mechanism, four corners of the bottom of the fixing plate are provided with second fastening bolts, the lower end of the fixing plate is provided with an equipment box through the second fastening bolts, a box door is provided on one side of the equipment box, the box door is movably connected to the equipment box through a hinge, and the box door is provided with a projection port.

The above-mentioned projection device for cultural information dissemination has the following technical defects:

The cultural information projection device has a lifting function through a lifting mechanism, a first limiting mechanism and a second limiting mechanism, and is relatively stable. However, during projection, when the distance between the projector and the projection screen is too far, the projected image is not bright and clear enough, which reduces the viewing quality of the user. At the same time, the height of the projection screen cannot be effectively adjusted according to the user in different scenarios, and its practicality is low.

Utility Model Content

In order to solve the above technical problems, the utility model provides a projection device for cultural information dissemination.

The purpose and effect of the projection device for cultural information dissemination of the utility model are achieved by the following specific technical means:

A projection device for cultural information dissemination includes a base, a lifting mechanism 1 is placed on the top of the base, an electric telescopic rod is placed on the side of the lifting mechanism 1, a protective frame is placed on the outside of the electric telescopic rod, a projector is installed on the side of the electric telescopic rod away from the lifting mechanism 1, a lifting mechanism 2 is placed on the top of the base, a rotating shaft is placed on the top of the lifting mechanism 2, and a projection screen is placed on the top of the rotating shaft.

Furthermore, the lifting mechanism 1 includes a mounting seat 1, a motor 1, a driving gear, a driven gear, a threaded rod 1, a moving block and a rectangular frame. The bottom of the mounting seat 1 is detachably connected to the base, the top of the mounting seat 1 is installed with a motor 1, the output end of the motor 1 is connected to the driving gear through a coupling, the outer side of the driving gear is meshingly connected to the driven gear, the inside of the driven gear is fixedly installed with a threaded rod 1, the outer side of the threaded rod 1 is installed with a rectangular frame, the top of the threaded rod 1 is rotatably connected to the rectangular frame, the bottom of the threaded rod 1 is rotatably connected to the base, and the outer side of the threaded rod 1 is threadedly connected to the moving block.

Furthermore, an opening is provided at the bottom end of the rectangular frame, the driving gear is connected through the opening, a plurality of sliders are fixedly installed on the outside of the moving block, a plurality of sliding grooves are provided inside the rectangular frame, the sliders are slidably connected to the sliding grooves, one end of the moving block is connected through the rectangular frame, and one end of the moving block is detachably connected to the electric telescopic rod, one end of the electric telescopic rod is fixedly connected to the protective frame, and the output end of the electric telescopic rod is detachably connected to the projector.

Furthermore, the lifting mechanism 2 includes a mounting plate 1, a slide rail 1, a lifting assembly, a connecting rod, a slide rail 2, a mounting plate 2, a mounting seat 2, a motor 2 and a threaded rod 2. The top of the mounting plate 1 is symmetrically mounted with a slide rail 1 about the center of the mounting plate 1, the top of the mounting plate 1 is placed with a lifting assembly, the bottom end of the lifting assembly is fixedly mounted with a connecting rod, the top of the mounting plate 1 is detachably connected with a mounting seat 2, the top of the mounting seat 2 is mounted with a motor 2, the output end of the motor 2 is connected with a threaded rod 2 via a coupling, the outer side of the threaded rod 2 is threadedly connected to the connecting rod, the top of the lifting assembly is mounted with a slide rail 2, and the top of the slide rail 2 is mounted with a mounting plate 2.

Furthermore, the second mounting plate is fixedly connected to the bottom of the rotating shaft, and the top of the rotating shaft is rotatably connected to the projection screen.

Furthermore, a lighting component is installed on the top of the base, and a plurality of buttons are arranged on the lighting component.

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

1. The electric telescopic rod in the utility model can flexibly adjust the distance between the projector and the projection screen. When the user finds that the projection screen is not bright enough, the size of the projection can be appropriately adjusted to make the light more concentrated, increase the brightness, and further enhance the viewer's experience;

2. The lifting mechanism 1, the electric telescopic rod and the protective frame in the utility model, when the projector is idle, the electric telescopic rod shrinks and the projector is stored inside the protective frame. When the projector needs to be repaired, the lifting mechanism 1 is driven to lower the projector to a suitable position, and the electric telescopic rod is driven again to extend the projector out of the protective frame, so as to be disassembled and repaired, further extending the service life of the device;

3. The lifting mechanism 2 in the utility model drives the motor 2, which drives the threaded rod 2 to rotate. The threaded rod 2 is threadedly connected to the connecting rod, which drives the connecting rod to move. The connecting rod drives the lifting assembly, thereby realizing the lifting and lowering adjustment of the projection screen, so that the user can adjust the height of the projection screen according to different scenarios, thereby improving the practicality of the device.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is one of the three-dimensional structural schematic diagrams of the present utility model.

FIG. 2 is a schematic cross-sectional view of the lifting mechanism of the present invention.

FIG. 3 is a schematic diagram of the enlarged structure of point A in FIG. 2 .

FIG. 4 is a second schematic diagram of the three-dimensional structure of the present utility model.

FIG. 5 is a schematic diagram of a second three-dimensional structure of the lifting mechanism in the utility model.

FIG. 6 is an enlarged structural schematic diagram of point B in FIG. 5 .

In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

1. Base; 2. Lifting mechanism 1; 210. Mounting seat 1; 220. Motor 1; 230. Driving gear; 240. Driven gear; 250. Threaded rod 1; 260. Moving block; 261. Sliding block; 270. Rectangular frame; 271. Opening; 272. Slide; 3. Electric telescopic rod; 4. Protective frame; 5. Projector; 6. Lifting mechanism 2; 610. Mounting plate 1; 620. Slide rail 1; 630. Lifting assembly; 640. Connecting rod; 650. Slide rail 2; 660. Mounting plate 2; 670. Mounting seat 2; 680. Motor 2; 690. Threaded rod 2; 7. Rotating shaft; 8. Projection screen; 9. Lighting components.

Detailed ways

The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

Example:

As shown in Figures 1 to 6:

The utility model provides a projection device for cultural information dissemination, comprising a base 1, a lifting mechanism 2 is placed on the top of the base 1, an electric telescopic rod 3 is placed on the side of the lifting mechanism 2, a protective frame 4 is placed on the outer side of the electric telescopic rod 3, a projector 5 is installed on the side of the electric telescopic rod 3 away from the lifting mechanism 2, a lifting mechanism 6 is placed on the top of the base 1, a rotating shaft 7 is placed on the top of the lifting mechanism 6, and a projection screen 8 is placed on the top of the rotating shaft 7. The electric telescopic rod 3 in the utility model can flexibly adjust the distance between the projector 5 and the projection screen 8. When the user finds that the projection picture is not bright enough, the user can appropriately adjust the projection screen 8. The projector 5 is small and can make the light more concentrated, improve the brightness, and further enhance the viewer's experience. At the same time, through the lifting mechanism 1 2, the electric telescopic rod 3 and the protective frame 4, when the projector 5 is idle, the electric telescopic rod 3 is retracted, and the projector 5 is stored in the protective frame 4. When the projector 5 needs to be repaired, the lifting mechanism 1 2 is driven to lower the projector 5 to a suitable position, and the electric telescopic rod 3 is driven again to extend the projector 5 out of the protective frame 4, so as to be disassembled and repaired, thereby further improving the service life of the device. At the same time, the lifting mechanism 2 6 is used to realize the lifting and lowering adjustment of the projection screen 8, so that the user can adjust the height of the projection screen 8 according to different scenarios, thereby improving the practicality of the device.

As a technical solution of the utility model, the lifting mechanism 2 includes a mounting seat 210, a motor 220, a driving gear 230, a driven gear 240, a threaded rod 250, a moving block 260 and a rectangular frame 270. The bottom of the mounting seat 210 is detachably connected to the base 1, and a motor 220 is installed on the top of the mounting seat 210. The output end of the motor 220 is connected to the driving gear 230 through a coupling, and the outer side of the driving gear 230 is meshed with the driven gear 240. The inner part of the driven gear 240 is fixedly installed with a threaded rod. A threaded rod 250, a rectangular frame 270 is installed on the outside of the threaded rod 250, the top of the threaded rod 250 is rotatably connected to the rectangular frame 270, the bottom of the threaded rod 250 is rotatably connected to the base 1, and the outer side of the threaded rod 250 is threadedly connected to a moving block 260. In the lifting mechanism 2 of the utility model, a motor 220 drives the driving gear 230 to rotate through a coupling, and the driving gear 230 is meshed and connected to the driven gear 240, and the driven gear 240 drives the threaded rod 250 to rotate, thereby driving the moving block 260 to move up and down.

As a technical solution of the present invention, an opening 271 is provided at the bottom end of the rectangular frame 270, the driving gear 230 is connected through the opening 271, a plurality of sliders 261 are fixedly installed on the outer side of the moving block 260, a plurality of slide grooves 272 are provided inside the rectangular frame 270, the sliders 261 are slidably connected to the slide grooves 272, one end of the moving block 260 is connected through the rectangular frame 270, and one end of the moving block 260 is detachably connected to the electric telescopic rod 3, one end of the electric telescopic rod 3 is fixedly connected to the protective frame 4, and the output end of the electric telescopic rod 3 is detachably connected to the projector 5. The moving block 260 in the present invention moves in the slide groove 272 inside the rectangular frame 270 through the slider 261, thereby improving the stability of the moving block 260 when moving up and down, and the projector 5 can be detached from the electric telescopic rod 3, which is convenient and quick to use.

As a technical solution of the utility model, the lifting mechanism 6 includes a mounting plate 610, a slide rail 620, a lifting assembly 630, a connecting rod 640, a slide rail 650, a mounting plate 660, a mounting seat 670, a motor 680 and a threaded rod 690. The top of the mounting plate 610 is symmetrically mounted with a slide rail 620 about the center of the mounting plate 610. The top of the mounting plate 610 is placed with a lifting assembly 630. The bottom end of the lifting assembly 630 is fixedly mounted with a connecting rod 640. The top of the mounting plate 610 is detachably connected to the mounting seat 670. The top of the mounting seat 670 is mounted A second motor 680 is installed, and the output end of the second motor 680 is connected to a second threaded rod 690 through a coupling. The outer side of the second threaded rod 690 is threadedly connected to the connecting rod 640. A second slide rail 650 is installed on the top of the lifting assembly 630. A second mounting plate 660 is installed on the top of the second slide rail 650. The lifting mechanism 6 in the utility model drives the second motor 680, and the second motor 680 drives the second threaded rod 690 to rotate. The second threaded rod 690 is threadedly connected to the connecting rod 640, driving the connecting rod 640 to move. The connecting rod 640 drives the lifting assembly 630, thereby realizing the lifting and lowering adjustment of the projection screen 8.

As a technical solution of the present invention, the second mounting plate 660 is fixedly connected to the bottom of the rotating shaft 7, and the top of the rotating shaft 7 is rotatably connected to the projection screen 8. When the rotating shaft 7 in the present invention encounters reflections, the user can adjust it by rotating the projection screen 8.

As a technical solution of the utility model, a lighting component 9 is installed on the top of the base 1, and a plurality of buttons are provided on the lighting component 9. The lighting component 9 in the utility model can reduce the light intensity by adjusting the buttons of the lighting component 9, thereby reducing the influence of strong light on the projection.

working principle:

In the utility model, the user adjusts the lighting element 9 by a button to reduce the light intensity, thereby reducing the influence of strong light on the projection, and controls the driving lifting mechanism 2 6 by a controller, and drives the motor 2 680, the motor 2 680 drives the threaded rod 2 690 to rotate, the threaded rod 2 690 is threadedly connected to the connecting rod 640, drives the connecting rod 640 to move, and the connecting rod 640 drives the lifting assembly 630, thereby realizing the lifting and lowering adjustment of the projection screen 8;

The user controls the lifting mechanism 2 through the controller, and the motor 220 drives the driving gear 230 to rotate through the coupling. The driving gear 230 is meshed with the driven gear 240, and the driven gear 240 drives the threaded rod 250 to rotate, thereby driving the moving block 260 to move up and down. After moving to the appropriate position, the electric telescopic rod 3 is driven again to adjust the projector 5 to a suitable position away from the projection screen 8 for projection, which can make the light more concentrated, increase the brightness, and further enhance the viewer's experience. When encountering reflections, the user adjusts it by rotating the projection screen 8. After use, the electric telescopic rod 3 is retracted to store the projector 5 inside the protective frame 4.

The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

Claims (6)

1. The utility model provides a cultural information propagates and uses projection equipment, includes base (1), its characterized in that: the utility model discloses a projection curtain, including base (1), elevating system, protection frame (4), projecting apparatus (5) are installed at the top of base (1), elevating system (2) have been placed at the top of elevating system (1), electric telescopic handle (3) have been placed to the side of elevating system (2), protection frame (4) have been placed in the outside of electric telescopic handle (3), projecting apparatus (5) are installed in one side of keeping away from elevating system (2), elevating system (6) have been placed at the top of base (1), axis of rotation (7) have been placed at the top of elevating system (6), projection curtain (8) have been placed at the top of axis of rotation (7).

2. A projection device for cultural information dissemination as defined in claim 1, wherein: the lifting mechanism I (2) comprises a mounting seat I (210), a motor I (220), a driving gear (230), a driven gear (240), a threaded rod I (250), a moving block (260) and a rectangular frame (270), wherein the bottom of the mounting seat I (210) is detachably connected with the base (1), the motor I (220) is mounted at the top of the mounting seat I (210), the driving gear (230) is connected with the output end of the motor I (220) through a coupling, the driven gear (240) is meshed and connected with the outer side of the driving gear (230), a threaded rod I (250) is fixedly mounted in the driven gear (240), the rectangular frame (270) is mounted on the outer side of the threaded rod I (250), the top of the threaded rod I (250) is rotationally connected with the rectangular frame (270), the bottom of the threaded rod I (250) is rotationally connected with the base (1), and the moving block (260) is connected with the outer side of the threaded rod I (250).

3. A projection device for cultural information dissemination as claimed in claim 2, wherein: the utility model discloses a projector, including rectangle frame (270), driving gear (230), protection frame (4), protection frame (5), protection frame (3), opening (271) have been seted up to the bottom of rectangle frame (270), driving gear (230) with opening (271) through connection, the outside fixed mounting of movable block (260) has a plurality of sliders (261), a plurality of spouts (272) have been seted up to the inside of rectangle frame (270), slider (261) with spout (272) sliding connection, the one end of movable block (260) with rectangle frame (270) through connection, just the one end of movable block (260) with electric telescopic handle (3) can dismantle the connection, the one end of electric telescopic handle (3) with protection frame (4) fixed connection, just electric telescopic handle (3) output with projector (5) can dismantle the connection.

4. A projection device for cultural information dissemination as defined in claim 1, wherein: elevating system two (6) include mounting panel one (610), slide rail one (620), lifting unit (630), connecting rod (640), slide rail two (650), mounting panel two (660), mount pad two (670), motor two (680) and threaded rod two (690), slide rail one (620) is installed to the top of mounting panel one (610) with respect to mounting panel one (610) central symmetry, lifting unit (630) has been placed at the top of mounting panel one (610), the bottom fixed mounting of lifting unit (630) has connecting rod (640), the top of mounting panel one (610) can be dismantled and be connected with mount pad two (670), motor two (680) are installed at the top of mount pad two (670), the output of motor two (680) is connected with threaded rod two (690) through the shaft coupling, the outside of threaded rod two (690) with connecting rod (640) threaded connection, slide rail two (650) are installed on the top of lifting unit (630), mounting panel two (660) are installed at the top of slide rail two (650).

5. A cultural information dissemination projection device as defined in claim 4 wherein: the second mounting plate (660) is fixedly connected with the bottom of the rotating shaft (7), and the top of the rotating shaft (7) is rotatably connected with the projection curtain (8).

6. A projection device for cultural information dissemination as defined in claim 1, wherein: the top of base (1) is installed illumination spare (9), be provided with a plurality of buttons on illumination spare (9).