CN220757087U

CN220757087U - 3D virtual teaching display device based on MR is holographic

Info

Publication number: CN220757087U
Application number: CN202322452734.0U
Authority: CN
Inventors: 杨思辉
Original assignee: Beijing Xinguang Media Co ltd
Current assignee: Beijing Xinguang Media Co ltd
Priority date: 2023-09-09
Filing date: 2023-09-09
Publication date: 2024-04-12
Anticipated expiration: 2033-09-09

Abstract

The utility model discloses a 3D virtual teaching display device based on MR holography, which comprises a foundation seat, wherein a display table capable of lifting is arranged on the inner side of the end part of the foundation seat, a lifting mechanism capable of driving the display table to lift along the foundation seat is arranged at the bottom end of the inner side of the foundation seat, a display plate is rotatably arranged above the display table, and an adjusting component for adjusting the relative angle of the display plate is arranged at the edge of one side of the display table.

Description

3D virtual teaching display device based on MR is holographic

Technical Field

The utility model relates to the technical field of teaching display, in particular to a 3D virtual teaching display device based on MR holography.

Background

MR holography is mixed reality, and the reality environment and the virtual environment are mixed with each other through holograms, and can also be regarded as the mixture of VR and AR, and the MR holography is more suitable for various sand table military training and teaching demonstration fields because the MR holography can carry out the transformation of the virtual environment on the reality environment.

When using the holographic 3D virtual teaching display device of MR, it is generally necessary to use a display stand, and set a display riser on the display stand, and display the real environment on the riser, and then add the virtual environment by using virtual glasses, so as to display the operable virtual environment.

The relative height of the whole show stand of current 3D virtual teaching show equipment based on MR is most unable to be adjusted, can't adapt to different heights and use habit's personnel and use, simultaneously, the 3D virtual teaching show equipment based on MR is holographic needs to be used to show partial reality environment to the show board, and the angle of the unable convenient adjustment plate body of current show board structure, when in actual use, the angle that the user can't adjust its face show board as required, for this reason, we propose a 3D virtual teaching show equipment based on MR.

Disclosure of Invention

The utility model aims to provide a D virtual teaching demonstration device based on MR holography so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a D virtual teaching display device based on MR is holographic, includes the foundation, foundation tip inboard is provided with the show stand that can go up and down, foundation inboard bottom is provided with the climbing mechanism that can drive the show stand and rise along the foundation, the show stand top rotates installs the show board, show stand one side edge is provided with the adjusting part that is used for adjusting show board relative angle.

Preferably, the foundation base comprises a bottom plate and vertical plates fixedly arranged on two sides of the end part of the bottom plate, guide convex strips in the vertical direction are arranged on the inner sides of the vertical plates of the foundation base, long grooves with the fit guide convex strips are formed in two side walls of the display stand, and the display stand can move up and down in the vertical direction between the vertical plates of the foundation base.

Preferably, the climbing mechanism comprises a driving motor, bearing seats, a transmission shaft, a linkage gear set, a thread bush and a jacking rod, wherein the driving motor is arranged at one side of the bottom end of the foundation seat, three groups of bearing seats are arranged at the bottom end of the inner side of the foundation seat, the transmission shaft is rotatably arranged in one group of bearing seats, the linkage shaft is provided with two groups of bearing seats and is respectively arranged in the other two groups of bearing seats, the end part of the linkage shaft is perpendicular to the transmission shaft, the end part of the linkage shaft is close to the transmission shaft, the linkage gear set is arranged at the position where the transmission shaft is close to the linkage shaft, the rotation of the transmission shaft can drive the linkage shaft to rotate, the thread bush is arranged on the linkage shaft, one end of the jacking rod is rotatably connected with the bottom end of the display stand, and the other end of the jacking rod is rotatably connected with the end part of the thread bush.

Preferably, the linkage gear set comprises two meshed bevel gears, one of the bevel gears is sleeved outside the transmission shaft, and the other bevel gear is fixedly arranged on the end part, close to the transmission shaft, of the linkage shaft.

Preferably, the two threaded sleeves are symmetrically arranged on the linkage shaft for a group of mirrors, so that the rotation of the linkage shaft can drive the two threaded sleeves to move oppositely, the two jacking rods are in mirror symmetry, and the bottom ends of the two jacking rods are respectively connected with the two threaded sleeves in a rotating mode.

Preferably, the adjusting part is including connecting flange, working cylinder, connecting rod and location boss, connect the fixed setting of flange on the show board outer wall, the fixed setting of location boss is in show stand outside edge, the working cylinder bottom is rotating and is connecting the location boss, the connecting rod sets up on working cylinder's output, and connecting rod tip is rotating and is connecting the flange.

Preferably, the two adjusting assemblies are arranged on two sides of the outer wall of the display board respectively.

Preferably, the positioning boss comprises a transverse plate connected with the edge of the display stand and a boss fixedly arranged above the transverse plate, and the boss part of the positioning boss is completely higher than the top surface of the display stand, so that the working cylinder can rotate to the horizontal with the boss part of the positioning boss as the axis.

The utility model has the technical effects and advantages that:

1. when the utility model is used, the drive motor is used for driving the transmission shaft to rotate on the bearing seat, and the two linkage shafts are driven to synchronously rotate under the transmission action of the linkage gear set, at the moment, the two threaded sleeves are driven to move oppositely and press the lifting rods, so that the end parts of the two lifting rods lift the display table, and the display table can move up and down in the vertical direction between the vertical plates of the foundation base under the guidance of the guide convex strips, thereby adjusting the relative height of the display table.

2. According to the utility model, the output end of the working cylinder is utilized to drive the connecting rod to stretch and retract, and the stretching of the connecting rod pulls the connecting convex plate and the display plate, so that the display plate rotates on the display table, the relative angle of the display plate on the display table is adjusted, and the display plate is suitable for personnel adjustment and use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A;

FIG. 3 is a schematic view of another embodiment of the present utility model;

FIG. 4 is a front view of the present utility model;

fig. 5 is a sectional view in the direction B-B of fig. 4.

In the figure: 1. a base; 2. a display stand; 3. a jacking mechanism; 301. a driving motor; 302. bearing seat; 303. a transmission shaft; 304. a linkage shaft; 305. a linkage gear set; 306. a thread sleeve; 307. a lifting rod; 4. a display board; 5. an adjustment assembly; 501. connecting convex plates; 502. a working cylinder; 503. a connecting rod; 504. positioning the convex seat; 6. guide the protruding strip.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a virtual teaching display device of 3D based on MR is holographic, includes base 1, and base 1 tip inboard is provided with the show stand 2 that can go up and down, and base 1 inboard bottom is provided with the climbing mechanism 3 that can drive show stand 2 and rise along base 1, and show stand 2 top rotation is installed show board 4, and show stand 2 one side edge is provided with the adjusting part 5 that is used for adjusting show board 4 relative angle.

The foundation base 1 comprises a bottom plate and vertical plates fixedly arranged on two sides of the end part of the bottom plate, guide convex strips 6 in the vertical direction are arranged on the inner sides of the vertical plates of the foundation base 1, long grooves with the fit guide convex strips 6 are formed in the two side walls of the display stand 2, and the display stand 2 can move up and down in the vertical direction between the vertical plates of the foundation base 1.

The jacking mechanism 3 comprises a driving motor 301, bearing seats 302, a transmission shaft 303, a linkage shaft 304, a linkage gear set 305, a threaded sleeve 306 and a jacking rod 307, wherein the driving motor 301 is arranged on one side of the bottom end of the foundation seat 1, three groups of bearing seats 302 are arranged on the inner side bottom end of the foundation seat 1, the transmission shaft 303 is rotatably arranged in one group of bearing seats 302, the linkage shaft 304 is provided with two groups of bearing seats 302, the two groups of bearing seats are respectively arranged in the other two groups of bearing seats 302, the end part of the linkage shaft 304 is perpendicular to the transmission shaft 303, the end part of the linkage shaft 304 is close to the transmission shaft 303, the linkage gear set 305 is arranged at the position where the transmission shaft 303 is close to the linkage shaft 304, the rotation of the transmission shaft 303 can drive the linkage shaft 304 to rotate, the threaded sleeve 306 is arranged on the linkage shaft 304, one end of the jacking rod 307 is rotatably connected with the bottom end of the display table 2, and the other end of the jacking rod 307 is rotatably connected with the end part of the threaded sleeve 306.

The linkage gear set 305 includes two engaged bevel gears, one of which is sleeved outside the transmission shaft 303, and the other of which is fixedly disposed on the end of the linkage shaft 304 proximate to the transmission shaft 303.

The two threaded sleeves 306 are symmetrically arranged on the linkage shaft 304 for a group of mirrors, so that the rotation of the linkage shaft 304 can drive the two threaded sleeves 306 to move oppositely, the two jacking rods 307 are in mirror symmetry for a group, and the bottom ends of the two jacking rods 307 are respectively connected with the two threaded sleeves 306 in a rotating way.

When in use, when the height of the display stand 2 needs to be adjusted to be used by a person, the driving motor 301 needs to be started to drive the transmission shaft 303 to rotate on the bearing seat 302, and the two linkage shafts 304 are driven to synchronously rotate through the transmission action of the linkage gear set 305, the two linkage shafts 304 rotate to drive the two threaded sleeves 306 on the linkage shafts 304 to move oppositely, the two threaded sleeves 306 move oppositely to extrude the bottom ends of the lifting rods 307, so that the ends of the two lifting rods 307 lift the display stand 2, and the display stand 2 can move vertically upwards and downwards between the vertical plates of the foundation seat 1 under the guidance of the guide convex strips 6, so that the relative height of the display stand 2 is adjusted to adapt to the use of people with different heights and using habits.

Example 2

Referring to fig. 1-5, based on the above embodiment 1, the adjusting assembly 5 includes a connecting flange 501, a working cylinder 502, a connecting rod 503 and a positioning flange 504, the connecting flange 501 is fixedly disposed on the outer wall of the display board 4, the positioning flange 504 is fixedly disposed at the outer edge of the display stand 2, the bottom end of the working cylinder 502 is rotatably connected with the positioning flange 504, the connecting rod 503 is disposed on the output end of the working cylinder 502, and the end of the connecting rod 503 is rotatably connected with the connecting flange 501.

The two adjusting components 5 are in a group and are respectively arranged on two sides of the outer wall of the display board 4.

The positioning boss 504 includes a cross plate connected to the edge of the display stand 2 and a boss fixedly disposed above the cross plate, and the boss portion of the positioning boss 504 is completely higher than the top surface of the display stand 2, so that the working cylinder 502 can rotate to the horizontal with the boss portion of the positioning boss 504 as the axis.

When the user uses, utilize working cylinder 502 output to drive connecting rod 503 flexible, connecting rod 503 flexible will pull connection flange 501 and show board 4 for show board 4 rotates on show stand 2, adjusts the relative angle of show board 4 on show stand 2, adaptation personnel adjustment and use.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a virtual teaching display device of 3D based on MR is holographic, includes base (1), its characterized in that, base (1) tip inboard is provided with show stand (2) that can go up and down, base (1) inboard bottom is provided with climbing mechanism (3) that can drive show stand (2) along base (1) rising, show stand (2) top rotation is installed show board (4), show stand (2) one side edge is provided with adjusting part (5) that are used for adjusting show board (4) relative angle.

2. The 3D virtual teaching display device based on MR holography according to claim 1, wherein the base seat (1) comprises a bottom plate and vertical plates fixedly arranged on two sides of the end part of the bottom plate, the inner sides of the vertical plates of the base seat (1) are provided with guide convex strips (6) in the vertical direction, and long grooves for attaching the guide convex strips (6) are formed in two side walls of the display stand (2), so that the display stand (2) can move up and down in the vertical direction between the vertical plates of the base seat (1).

3. The 3D virtual teaching display device based on MR holography according to claim 2, wherein the jacking mechanism (3) comprises a driving motor (301), bearing seats (302), a transmission shaft (303), a linkage gear set (305), a threaded sleeve (306) and a jacking rod (307), the driving motor (301) is arranged at one side of the bottom end of the base seat (1), two groups of the bearing seats (302) are provided with three groups at the bottom end of the inner side of the base seat (1), the transmission shaft (303) is rotatably arranged in one group of bearing seats (302), the utility model discloses a display stand, including support, shaft (304) and jack-up pole, linkage axis (304) are provided with two, and set up respectively in two sets of bearing frame (302), the tip of linkage axis (304) is perpendicular to transmission shaft (303), and linkage axis (304) tip is pressed close to transmission shaft (303), linkage gear train (305) set up in transmission shaft (303) and linkage axis (304) close department for the rotation of transmission shaft (303) can drive linkage axis (304) rotation, thread bush (306) set up on linkage axis (304), jack-up pole (307) one end is rotated and is being connected display stand (2) bottom, and the other end is rotated and is being connected thread bush (306) tip.

4. A 3D virtual teaching demonstration device based on MR holography according to claim 3 wherein the linkage gear set (305) comprises two engaged conical gears, one of which is sleeved outside the transmission shaft (303), and the other of which is fixedly arranged on the end of the linkage shaft (304) close to the transmission shaft (303).

5. A 3D virtual teaching demonstration device based on MR holography according to claim 3 wherein the two screw sleeves (306) are symmetrically arranged on the linkage shaft (304) for a group of mirrors, so that the rotation of the linkage shaft (304) can drive the two screw sleeves (306) to move oppositely, the two jacking rods (307) are in mirror symmetry, and the bottom ends of the two jacking rods (307) are respectively connected with the two screw sleeves (306) in a rotating way.

6. The 3D virtual teaching display device based on MR holography according to claim 1, wherein the adjusting component (5) comprises a connecting convex plate (501), a working cylinder (502), a connecting rod (503) and a positioning convex seat (504), the connecting convex plate (501) is fixedly arranged on the outer wall of the display board (4), the positioning convex seat (504) is fixedly arranged at the outer side edge of the display stand (2), the bottom end of the working cylinder (502) is rotationally connected with the positioning convex seat (504), the connecting rod (503) is arranged at the output end of the working cylinder (502), and the end part of the connecting rod (503) is rotationally connected with the connecting convex plate (501).

7. The 3D virtual teaching demonstration device based on MR holography according to claim 6, wherein two of the adjusting assemblies (5) are arranged in a group and are respectively arranged at two sides of the outer wall of the demonstration board (4).

8. The MR holographic-based 3D virtual teaching display device according to claim 6, wherein the positioning boss (504) comprises a transverse plate connected to the edge of the display stand (2) and a boss fixedly arranged above the transverse plate, and the boss part of the positioning boss (504) is completely higher than the top surface of the display stand (2), so that the working cylinder (502) can rotate to a horizontal position with the boss part of the positioning boss (504) as the axis.