CN215215463U

CN215215463U - Stereoscopic projection system

Info

Publication number: CN215215463U
Application number: CN202121269429.2U
Authority: CN
Inventors: 杨庐
Original assignee: Shenzhen Huilin Decoration Engineering Co ltd
Current assignee: Shenzhen Huilin Decoration Engineering Co ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2021-12-17
Anticipated expiration: 2031-06-05

Abstract

The application relates to the technical field of stereoscopic projection, in particular to a stereoscopic projection system which comprises a placing frame, a lifting device and a polarized lens, wherein the placing frame comprises two supporting plates which are connected in a sliding manner from top to bottom on the placing frame, the two supporting plates are arranged from top to bottom, a projector is arranged on each plate body, the lifting device is fixedly connected with the two supporting plates, the two supporting plates can be lifted synchronously, and the polarized lens is positioned in front of a lens of the projector and is detachably connected with the placing frame; two projectors can realize going up and down in step through elevating gear in the backup pad, even change the curtain also can adjust the height of projector as required, the relative position between two projectors that adjust before can not change to can not influence the viewing effect, can dismantle the connection polarized lens in the place ahead of projector, be convenient for change when the lens wearing and tearing need be changed or clear up, easy and simple to handle, labour saving and time saving. This application has the effect of conveniently adjusting the projector position.

Description

Stereoscopic projection system

Technical Field

The present application relates to the field of stereoscopic projection technology, and more particularly, to a stereoscopic projection system.

Background

The stereo projection mainly adopts two projectors to synchronously project images, the polarization directions of the polaroids in front of the two projectors are mutually vertical, and the polarization directions of the two generated polarized lights are also mutually vertical. When the polarized light is projected on the film screen and reflected to the positions of human eyes, the direction of the polarized light is not required to be changed, and each eye can only see a corresponding polarized light image through the polarized glasses, so that the stereoscopic sensation is generated in a visual nervous system.

The stereoscopic projection system in the prior art adopts the furred ceiling installation, needs to set up the position of two projectors in advance to punch at the ceiling and install the projector, the projector position after the installation is unadjustable, when changing the curtain, needs to dismantle the projector and install again, makes the image accurately put in on the curtain, but the troublesome poeration like this, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

In order to conveniently adjust the placement position and the projection position of the projector, the application provides a stereoscopic projection system.

The stereoscopic projection system provided by the application adopts the following technical scheme:

the utility model provides a stereoscopic projection system, includes rack, elevating gear and polarized light lens, the rack includes two backup pads of sliding connection about on the rack, two the backup pad is laid relatively from top to bottom, and has all placed the projector on the plate body, elevating gear and backup pad fixed connection can make two the backup pad goes up and down in step, polarized light lens be located projector camera lens the place ahead, with the connection can be dismantled to the rack.

Through adopting above-mentioned technical scheme, two projectors can realize going up and down in step through elevating gear in the backup pad, even change the height that the curtain also can adjust the projector as required, the relative position between two projectors adjusted before can not change to can not influence the viewing effect, can dismantle the connection polarized light lens in the place ahead of projector, need change or be convenient for when clearing up when the lens wearing and tearing need change, easy and simple to handle, labour saving and time saving.

Optionally, the lifting device comprises a rotating shaft rotatably connected to one side of the placing frame, adjusting gears fixedly connected to two ends of the rotating shaft, racks fixedly connected with the supporting plate and limiting assemblies connected with the adjusting gears, and the gears are meshed with the racks.

Through adopting above-mentioned technical scheme, can the running gear when adjustment backup pad height, the gear drives the rack and removes in vertical direction to drive two backup pads synchronous lift, after the position of the backup pad has been adjusted, spacing subassembly can be fixed current position, adopts the driven mode of rack and pinion meshing, connects more stably, and has improved elevating gear's precision.

Optionally, stand columns are arranged at four corners of the placing rack, and the stand columns penetrate through the supporting plate and are connected with the supporting plate in a sliding mode.

Through adopting above-mentioned technical scheme, the stand of four corners department can provide limiting displacement for the backup pad, makes the backup pad can not rock at the lift in-process, has improved the security of device.

Optionally, the limiting assembly comprises a fixing block fixedly connected to the placing frame and a limiting block penetrating through the fixing block, the limiting block is connected to the fixing block in a sliding mode, a clamping groove meshed with the gear teeth of the adjusting gear is formed in the limiting block, and the limiting block can limit the rotation of the adjusting gear through pushing and pulling.

Through adopting above-mentioned technical scheme, after the position of having adjusted the backup pad, push away the stopper gear below, can prevent the rotation of gear, accomplish the fixed to backup pad current position, take out the stopper when needing the adjustment position, the height of backup pad is adjusted to the running gear, easy operation, simple to operate.

Optionally, the end of the rotating shaft penetrating through the adjusting gear is fixedly connected with an adjusting handle.

Through adopting above-mentioned technical scheme, rotate through handheld adjustment handle and operate the adjusting gear, can add accurate adjustment gear pivoted angle, use manpower sparingly simultaneously.

Optionally, one side of the rack, which is far away from the lifting device, is provided with an installation rod perpendicular to the support plate, a chute is formed in the vertical rod on the same side of the rack and the installation rod, one end of the polarized lens is inserted into the chute, and the other end of the polarized lens is fixed to the installation rod through a bolt.

Through adopting above-mentioned technical scheme, the setting of spout is convenient for the installation of polarized light lens and is used, and the one end with polarized light lens during the installation is inside the butt spout earlier, passes through bolted connection again at the other end on the installation pole, is convenient for fix a position polarized light lens, has avoided the phenomenon that influences the projection effect because of the polarized light lens installation is crooked.

Optionally, a plurality of threaded holes distributed from top to bottom are formed in the mounting rod, and bolts for fixing the polarized lenses are connected in the threaded holes.

Through adopting above-mentioned technical scheme, polarized lens can be along with the change of projector position and height-adjusting, because polarized lens is big than the scope of projector camera lens, does not need the too high regulation of accurate degree, adopts bolted connection's mode, is convenient for dismantle and install polarized lens.

Optionally, four corners of the bottom of the placing rack are provided with idler wheels.

Through adopting above-mentioned technical scheme, when the projection work finishes, can promote the rack and accomodate it to indoor corner department, reduce because of the personnel walk the phenomenon that causes the projector to collide with, the setting up of gyro wheel makes the removal of rack more nimble.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two projectors can be synchronously lifted on the supporting plate through the lifting device, the height of the projectors can be adjusted according to needs even if a curtain is replaced, the relative position between the two projectors which are adjusted before cannot be changed, so that the watching effect cannot be influenced, the polarized lens can be detachably connected in front of the projectors, the lenses are convenient to replace when worn and required to be replaced or cleaned, the operation is simple and convenient, and the time and the labor are saved;

2. the gear can be rotated when the heights of the supporting plates are adjusted, the gear drives the rack to move in the vertical direction, so that the two supporting plates are driven to lift synchronously, after the positions of the supporting plates are adjusted, the limiting assembly can fix the current position, the connection is more stable by adopting a gear-rack meshing transmission mode, and the accuracy of the lifting device is improved;

3. the setting of spout is convenient for polarized lens's installation use, and it is inside with polarized lens's one end butt spout earlier during the installation, pass through bolted connection again at the other end on the installation pole, be convenient for fix a position polarized lens, avoided because of the crooked phenomenon that influences the projection effect of polarized lens installation.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a schematic front structure diagram of an embodiment of the present application.

Description of reference numerals: 100. a projector; 1. placing a rack; 11. a support plate; 12. a column; 13. mounting a rod; 131. a threaded hole; 14. a chute; 15. a roller; 2. a lifting device; 21. a rotating shaft; 22. an adjusting gear; 221. an adjusting handle; 23. a rack; 24. a limiting component; 241. a fixed block; 242. a limiting block; 3. a polarized lens.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a stereoscopic projection system. Referring to fig. 1, it includes rack 1, elevating gear 2 and the polarized lens 3 of installing on rack 1 that are connected with rack 1, rack 1 includes two backup pads 11 rather than sliding connection, two backup pads 11 are relative laying from top to bottom on rack 1, and all placed projector 100 on the plate body, the relative position of two backup pads 11 is fixed, and with elevating gear 2 fixed connection, operation elevating gear 2 can make two backup pads 11 go up and down in step, polarized lens 3 is located projector 100's camera lens the place ahead, 11 surface mounting of perpendicular to backup pad is on rack 1, be connected for dismantling with rack 1, be convenient for change polarized lens 3.

Referring to fig. 1, the placing rack 1 is composed of twelve supporting rods, and comprises four vertical rods and eight cross rods, the twelve supporting rods can be connected to form a cuboid, stand columns 12 are arranged beside the four vertical rods, the four stand columns 12 penetrate through two supporting plates 11, the positions of the two supporting plates 11 are set in advance and are relatively fixed, the supporting plates 11 can slide up and down on the stand columns 12 through a lifting device 2, synchronous lifting is achieved, the stand columns 12 play a role in guiding and limiting the supporting plates 11, and the shaking phenomenon is reduced in the lifting process of the supporting plates 11; the four corners department in rack 1 bottom is equipped with gyro wheel 15, and the indoor corner department is accomodate with rack 1 that can relax, also can move different positions with whole device and carry out the projection, uses manpower sparingly.

Referring to fig. 1 and 2, the lifting device 2 includes a rotating shaft 21, an adjusting gear 22, a rack 23 and a limiting component 24, the rotating shaft 21 is rotatably connected to the upper portions of two vertical rods of the placing rack 1 far away from the lens of the projector 100 and parallel to the supporting plates 11, the adjusting gear 22 is connected to two ends of the rotating shaft 21 in a key manner, the rack 23 is vertically arranged beside the vertical rods and fixedly connected with the two supporting plates 11, the adjusting gear 22 is meshed with the rack 23, one end of the rotating shaft 21 penetrating through the adjusting gear 22 is fixedly connected with an adjusting handle 221, the adjusting handle 221 is rotated to drive the adjusting gear 22 to rotate, and the adjusting gear 22 drives the rack 23 to move up and down in the vertical direction, so that the two supporting plates 11 are lifted synchronously; all set firmly spacing subassembly 24 on two montants near elevating gear 2, spacing subassembly 24 is located adjusting gear 22 below, including fixed block 241 and stopper 242, fixed block 241 and montant fixed connection, stopper 242 runs through fixed block 241, and slide on fixed block 241 along the through-hole, stopper 242 upper surface be equipped with adjusting gear 22 assorted tooth's socket, when promoting stopper 242 to adjusting gear 22 below, stopper 242 upper surface and the laminating of adjusting gear 22 surface, thereby realize restricting adjusting gear 22 pivoted function.

Referring to fig. 3, connection can be dismantled in projector 100 camera lens the place ahead to polarized light lens 3, it has spout 14 to open on the montant that rack 1 is close to projector 100 camera lens one side, spout 14 width is the same with polarized light lens 3 thickness, be equipped with installation pole 13 between two montants of being close to projector 100's camera lens, installation pole 13 is vertical to be installed between the horizontal pole from top to bottom of rack 1, with the width that the distance is polarized light lens 3 between spout 14, top-down evenly is equipped with a plurality of screw holes 131 on the installation pole 13, polarized light lens 3 one end is equipped with two the same screw holes, put into spout 14 with the one end that polarized light lens 3 did not establish the screw hole during the installation, the other end passes through the bolt and installs on installation pole 13, realize polarized light lens 3's installation, when projector 100's position removed, the accessible changes the mounted position of bolt in screw hole 131 and adjusts polarized light lens 3's height.

The implementation principle of the stereoscopic projection system in the embodiment of the application is as follows: firstly, judging whether the projector 100 needs to move according to the position of a curtain, if the projector 100 needs to move, firstly drawing out the two limit blocks 242, shaking the adjusting handle 221 to enable the supporting plate 11 to ascend and descend, when the supporting plate 11 is adjusted to a proper position, pushing the two limit blocks 242 into the fixed block 241 to fix the current position of the supporting plate 11, then adjusting the position of the polarized lens 3 according to the position of a lens of the projector 100, and changing the installation position of a bolt in the threaded hole 131 to adjust the height of the polarized lens 3; after the showing is finished, the placing frame 1 can be pushed to enable the roller 15 to rotate, and the placing frame 1 is stored in a corner in a room.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A stereoscopic projection system, characterized by: including rack (1), elevating gear (2) and polarized light lens (3), rack (1) includes two backup pads (11) of sliding connection about on rack (1), two backup pad (11) are laid relatively from top to bottom, and all placed projector (100) on the plate body, elevating gear (2) and backup pad (11) fixed connection can make two backup pad (11) go up and down in step, polarized light lens (3) are located projector (100) camera lens the place ahead, with the connection can be dismantled in rack (1).

2. A stereoscopic projection system according to claim 1 wherein: elevating gear (2) including rotate connect in pivot (21) of rack (1) one side, fixed connection at adjusting gear (22) at pivot (21) both ends, with backup pad (11) fixed connection's rack (23) and with spacing subassembly (24) that adjusting gear (22) are connected, gear (22) and rack (23) meshing.

3. A stereoscopic projection system according to claim 2, wherein: the rack (1) four corners department is equipped with stand (12), stand (12) run through backup pad (11), with backup pad (11) sliding connection.

4. A stereoscopic projection system according to claim 2, wherein: the limiting assembly (24) comprises a fixing block (241) fixedly connected to the placing rack (1) and a limiting block (242) penetrating through the fixing block (241), the limiting block (242) is connected to the fixing block (241) in a sliding mode, a clamping groove meshed with the gear teeth of the adjusting gear (22) is formed in the limiting block (242), and the limiting block (242) can be pushed and pulled to limit rotation of the adjusting gear (22).

5. A stereoscopic projection system according to claim 2, wherein: the end part of the rotating shaft (21) penetrating through the adjusting gear (22) is fixedly connected with an adjusting handle (221).

6. A stereoscopic projection system according to claim 1 wherein: one side of the placing frame (1) far away from the lifting device (2) is provided with an installation rod (13) perpendicular to the supporting plate (11), a vertical rod on the same side of the placing frame (1) and the installation rod (13) is provided with a sliding groove (14), one end of the polarized lens (3) is inserted into the sliding groove (14), and the other end of the polarized lens is fixed with the installation rod (13) through a bolt.

7. The stereoscopic projection system of claim 6 wherein: the mounting rod (13) is provided with a plurality of threaded holes (131) distributed from top to bottom, and bolts for fixing the polarized lenses (3) are connected in the threaded holes (131).

8. A stereoscopic projection system according to claim 1 wherein: four corners of the bottom of the placing rack (1) are provided with rollers (15).