CN221279027U

CN221279027U - Holographic projector

Info

Publication number: CN221279027U
Application number: CN202323476987.8U
Authority: CN
Inventors: 阚逸龙
Original assignee: Yancheng Dimensional Boundary Digital Technology Co ltd
Current assignee: Yancheng Dimensional Boundary Digital Technology Co ltd
Priority date: 2023-12-20
Filing date: 2023-12-20
Publication date: 2024-07-05
Anticipated expiration: 2033-12-20

Abstract

The utility model discloses a holographic projector, which comprises a supporting seat and a holographic projector body, wherein a lifting box and a transverse plate are sequentially arranged above the supporting seat, two sides of the transverse plate are fixedly provided with upright plates, the inner sides of the upright plates are movably provided with L-shaped mounting frames, and the bottoms of the two sides of the holographic projector body are fixedly arranged between the two L-shaped mounting frames; the top of the supporting seat is fixedly provided with two lifting motors, and the output ends of the lifting motors are fixedly connected with the bottom of the lifting box. According to the utility model, the holographic projector body is adjusted along the circumferential direction and simultaneously matched with the holographic projector body along the front-back elevation angle, so that the holographic projector body can be adjusted randomly in multiple directions according to actual needs, the adjustment range of the holographic projector is enlarged, the limitation in projection use is smaller, the operation is simple, and the adjustment and use are convenient.

Description

Holographic projector

Technical Field

The utility model relates to the technical field of projectors, in particular to a holographic projector.

Background

As is well known, the holographic projection technique belongs to one of 3D techniques, and originally refers to a technique of recording and reproducing a true three-dimensional image of an object using an interference principle. Then, along with the guidance of science fiction movies and commercial propaganda, the concept of holographic projection is gradually extended to commercial activities such as stage performance, exhibition show and the like. However, the hologram which we know at ordinary times is often not a strict holographic projection, but a kind of holographic projection technology which uses pepper's ghost, edge blanking and other methods to achieve 3D effect.

The prior art CN113606448A discloses a position-adjustable holographic projector, which effectively solves the problems that the holographic projector is inconvenient to adjust the position and inconvenient to fix and damp the projector in the current market, realizes the purposes that the holographic projector is convenient to adjust the position and fix and damp the projector, and is very practical.

The existing holographic projector can carry out 3D projection through the cooperation of the existing holographic projector and the holographic beam mirror plate, and the prior art can adjust the position angle in projection use; however, the range of the angle adjustment of the conventional holographic projector body is relatively small, and it is difficult to adjust the azimuth of the holographic projector in multiple directions according to the actual projection requirement, so that the limitation in the projection process is large.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a holographic projector.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The holographic projector comprises a supporting seat and a holographic projector body, wherein a lifting box and a transverse plate are further arranged above the supporting seat in sequence, a vertical plate is fixedly arranged on two sides of the transverse plate, an L-shaped mounting frame is movably arranged on the inner side of the vertical plate, and bottoms of two sides of the holographic projector body are fixedly arranged between the two L-shaped mounting frames; the top of the supporting seat is fixedly provided with two lifting motors, and the output ends of the lifting motors are fixedly connected with the bottom of the lifting box;

The two L-shaped installation frames are fixedly connected with overturning adjusting shafts on one sides far away from each other, vertical installation cavities are formed in the two L-shaped installation frames, the outer ends of the overturning adjusting shafts penetrate through the vertical installation cavities in a rotating mode and fixedly sleeved with first gears, the rear sides of the first gears are meshed with vertical racks, electric telescopic rods are fixedly installed on the inner walls of the bottoms of the vertical installation cavities, and the output ends of the electric telescopic rods are fixedly connected with the bottom ends of the vertical racks;

The bottom central authorities of diaphragm fixed mounting have the switching pillar, and the bottom rotation of switching pillar runs through to in the lift box and fixedly cup joints the third gear, and the right side meshing of third gear has the second gear, and fixed mounting has step motor on the bottom side inner wall of lift box, and step motor's output and second gear fixed connection.

Furthermore, a plurality of rolling seats are fixedly arranged at the bottom of the lifting box, supporting balls are arranged at the bottoms of the rolling seats in a rolling mode, and the bottoms of the supporting balls are supported on the top surface of the lifting box in a rolling mode.

Further, the plurality of rolling seats and the supporting balls are uniformly distributed on the bottom side of the lifting box based on the fact that the switching support posts serve as centers in an annular mode.

Further, a first bearing is fixedly arranged on the inner wall of the top of the lifting box, and the switching support column is rotatably arranged on the first bearing.

Further, a second bearing is fixedly arranged on the side wall of the vertical installation cavity, and the overturning adjusting shaft is rotatably arranged on the second bearing.

Further, a controller is arranged on the left side of the front surface of the lifting box, and the controller is respectively connected with the holographic projector body, the lifting motor, the stepping motor and the electric telescopic rod in an electric control manner.

By adopting the structure, the utility model has the following beneficial effects:

According to the utility model, the height of the holographic projector body is conveniently adjusted according to projection requirements, the straight rack is driven to move up and down by utilizing the extension and contraction of the output end of the electric telescopic rod, and is meshed with the first gear for transmission when the straight rack moves, so that the overturning adjusting shaft and the holographic projector body at the inner side of the L-shaped mounting frame are driven to overturn and adjust forwards or backwards, and the elevation angle height position of front and rear projection of the holographic projector body can be adjusted;

In the utility model, the stepping motor can be used for driving the second gear to rotate and be meshed with the third gear for transmission, so as to drive the transfer support column, the transverse plate, the vertical frame plate, the L-shaped mounting frame and the holographic projector body to rotate in the forward and reverse directions along the circumferential direction, and thus the circumferential direction of the holographic projector body can be adjusted in the forward and reverse directions;

In addition, according to the utility model, the holographic projector body can be randomly adjusted in multiple directions according to actual needs by adjusting the circumferential direction of the holographic projector body and adjusting the front elevation angle and the rear elevation angle of the holographic projector body simultaneously, so that the adjusting range of the holographic projector is enlarged, the limitation in projection use is smaller, the operation is simple, and the adjustment and the use are convenient.

Drawings

FIG. 1 is a schematic diagram of a holographic projector according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 3 according to the present utility model;

Fig. 4 is a schematic structural view of the turnover adjusting shaft, the straight rack and the first gear in the utility model.

In the figure: 1. a support base; 2. a lifting box; 3. a cross plate; 4. a vertical frame plate; 400. a vertical mounting cavity; 401. turning over the adjusting shaft; 402. an electric telescopic rod; 403. a straight rack; 404. a first gear; 405. a second bearing; 5. an L-shaped mounting rack; 6. a holographic projector body; 7. a lifting motor; 8. a transfer support; 801. a stepping motor; 802. a second gear; 803. a third gear; 804. a rolling seat; 805. supporting the balls.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a holographic projector comprises a supporting seat 1 and a holographic projector body 6, wherein a lifting box 2 and a transverse plate 3 are sequentially arranged above the supporting seat 1, two sides of the transverse plate 3 are fixedly provided with a vertical plate 4, the inner side of the vertical plate 4 is movably provided with an L-shaped mounting frame 5, and the bottoms of two sides of the holographic projector body 6 are fixedly arranged between the two L-shaped mounting frames 5; the top of the supporting seat 1 is fixedly provided with two lifting motors 7, and the output ends of the lifting motors 7 are fixedly connected with the bottom of the lifting box 2;

The two L-shaped mounting frames 5 are fixedly connected with a turnover adjusting shaft 401 on one side far away from each other, a vertical mounting cavity 400 is formed in each of the two L-shaped mounting frames 5, the outer end of each turnover adjusting shaft 401 penetrates into the corresponding vertical mounting cavity 400 in a rotating mode and is fixedly sleeved with a first gear 404, a vertically arranged straight rack 403 is meshed with the rear side of each first gear 404, an electric telescopic rod 402 is fixedly mounted on the inner wall of the bottom of each vertical mounting cavity 400, and the output end of each electric telescopic rod 402 is fixedly connected with the bottom end of each straight rack 403;

The bottom central authorities of diaphragm 3 fixed mounting have the switching pillar 8, and the bottom rotation of switching pillar 8 runs through to in the lift box 2 and fixed the sleeve joint third gear 803, and the right side meshing of third gear 803 has second gear 802, and fixed mounting has step motor 801 on the bottom side inner wall of lift box 2, and step motor 801's output and second gear 802 fixed connection.

In this example, a plurality of rolling seats 804 are fixedly installed at the bottom of the lifting box 2, supporting balls 805 are installed at the bottom of the rolling seats 804 in a rolling manner, and the bottom of the supporting balls 805 is supported on the top surface of the lifting box 2 in a rolling manner; the rolling seats 804 and the supporting balls 805 are all annularly and uniformly arranged on the bottom side of the lifting box 2 based on the transfer support posts 8.

In the example, a first bearing is fixedly arranged on the top inner wall of the lifting box 2, and the switching support column 8 is rotatably arranged on the first bearing; a second bearing 405 is fixedly installed on a side wall of the vertical installation cavity 400, and the roll-over adjusting shaft 401 is rotatably installed on the second bearing 405.

Wherein, the front left side of the lifting box 2 is provided with a controller, and the controller is respectively connected with the holographic projector body 6, the lifting motor 7, the stepping motor 801 and the electric telescopic rod 402 in an electric control way.

When the height adjustment is needed, the holographic projector shown in fig. 1-4 can drive the lifting box 2, the switching support column 8, the transverse plate 3, the vertical frame plate 4, the L-shaped mounting frame 5 and the holographic projector body 6 to lift through the extension and contraction of the output end of the lifting motor 7, so that the height adjustment of the holographic projector body 6 is convenient according to the projection needs.

When azimuth is adjusted: the straight rack 403 is driven to move up and down by the extension and contraction of the output end of the electric extension rod 402, and the straight rack 403 is meshed and driven with the first gear 404 when moving, so that the overturning adjusting shaft 401 and the holographic projector body 6 at the inner side of the L-shaped mounting frame 5 are driven to overturn and adjust forwards or backwards, and the elevation height position of the front and rear projection of the holographic projector body 6 can be adjusted; in addition, the step motor 801 can also be utilized to drive the second gear 802 to rotate and to be meshed with the third gear 803 for transmission, so as to drive the transfer support 8, the transverse plate 3, the vertical plate 4, the L-shaped mounting frame 5 and the holographic projector body 6 to rotate in the circumferential direction in the forward and reverse directions, and thus the circumferential direction of the holographic projector body 6 can be adjusted in the forward and reverse directions; and adjust holographic projector body 6 circumference position and adjust the angle of elevation around holographic projector body 6, both can adjust simultaneously to can carry out diversified arbitrary regulation to holographic projector body 6 according to actual need, enlarge holographic projector's accommodation, make the limitation in the projection use littleer, and easy operation, be convenient for adjust and use.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The holographic projector comprises a supporting seat (1) and a holographic projector body (6), and is characterized in that a lifting box (2) and a transverse plate (3) are further arranged above the supporting seat (1) in sequence, two sides of the transverse plate (3) are fixedly provided with a vertical plate (4), the inner side of the vertical plate (4) is movably provided with an L-shaped mounting frame (5), and the bottoms of two sides of the holographic projector body (6) are fixedly arranged between the two L-shaped mounting frames (5); the top of the supporting seat (1) is fixedly provided with two lifting motors (7), and the output end of each lifting motor (7) is fixedly connected with the bottom of the lifting box (2);

One sides of the two L-shaped mounting frames (5) which are far away from each other are fixedly connected with overturning adjusting shafts (401), the inside of the two L-shaped mounting frames (5) is provided with vertical mounting cavities (400), the outer ends of the overturning adjusting shafts (401) penetrate through the vertical mounting cavities (400) in a rotating mode and fixedly sleeved with first gears (404), the rear sides of the first gears (404) are meshed with vertically arranged straight racks (403), the bottom inner walls of the vertical mounting cavities (400) are fixedly provided with electric telescopic rods (402), and the output ends of the electric telescopic rods (402) are fixedly connected with the bottom ends of the straight racks (403);

The bottom central authorities of diaphragm (3) fixed mounting have switching pillar (8), and the bottom rotation of switching pillar (8) runs through in lift box (2) and fixed third gear (803) that has cup jointed, and the right side meshing of third gear (803) has second gear (802), and fixed mounting has step motor (801) on the bottom side inner wall of lift box (2), and step motor (801) output and second gear (802) fixed connection.

2. A holographic projector as claimed in claim 1, wherein the bottom of the lift box (2) is further fixedly provided with a plurality of rolling seats (804), the bottom of the rolling seats (804) is rollably provided with support balls (805), and the bottom of the support balls (805) is rollably supported on the top surface of the lift box (2).

3. The holographic projector of claim 2, wherein the plurality of rolling seats (804) and the support balls (805) are all annularly and uniformly arranged on the bottom side of the lifting box (2) based on the transfer support (8).

4. A holographic projector as claimed in claim 1, in which a first bearing is fixedly mounted on the top inner wall of the lifting box (2) and the adapter support (8) is rotatably mounted on the first bearing.

5. A holographic projector as claimed in claim 1, in which a second bearing (405) is fixedly mounted on a side wall of the vertical mounting cavity (400), and the roll-over adjustment shaft (401) is rotatably mounted on the second bearing (405).

6. The holographic projector of claim 1, wherein a controller is arranged on the left side of the front surface of the lifting box (2), and the controller is respectively and electrically connected with the holographic projector body (6), the lifting motor (7), the stepping motor (801) and the electric telescopic rod (402).