CN111306407B - Holographic water curtain projection system - Google Patents
Holographic water curtain projection system Download PDFInfo
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- CN111306407B CN111306407B CN202010064958.2A CN202010064958A CN111306407B CN 111306407 B CN111306407 B CN 111306407B CN 202010064958 A CN202010064958 A CN 202010064958A CN 111306407 B CN111306407 B CN 111306407B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 230000000694 effects Effects 0.000 abstract description 14
- 238000009434 installation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Connection Of Plates (AREA)
Abstract
The invention relates to a holographic water curtain projection system, which comprises a projection box and a top plate for mounting the projection box, wherein screws for mounting and fixing are arranged at four corners of the top plate, a bottom plate is arranged at the bottom of the top plate along the length direction of the top plate, the bottom plate is connected with the projection box through a connecting rod, a sliding groove is arranged at the bottom of the bottom plate along the length direction of the bottom plate, a guide rod is arranged in the sliding groove, the length direction of the guide rod is arranged along the length direction of the sliding groove, and the top of the connecting rod is sleeved outside the guide rod and slides along the guide rod; the connecting rod is provided with a connecting plate, the bottom of the connecting plate is provided with a guide pipe, a positioning rod is installed in the guide pipe, the top of the positioning rod is connected with a positioning plate, an opening at the bottom of the guide pipe and the outside of the positioning rod are all rotatably installed with a rotating ring, the rotating center of the rotating ring is arranged along the axis of the positioning rod, and the positioning rod penetrates through the rotating ring at the bottom and is movably connected with the guide pipe. The invention has the effect of facilitating the position adjustment of the projection box, and facilitates the better projection operation.
Description
Technical Field
The invention relates to the technical field of projection equipment, in particular to a holographic water curtain projection system.
Background
At present, the holographic projection technology, also called virtual imaging technology, is a technology for recording and reproducing a real three-dimensional image of an object by using the principles of interference and diffraction. The holographic projection technology can not only generate a stereoscopic aerial illusion, but also enable the illusion to interact with performers to complete the performance together, and generate an impressive performance effect.
The holographic projection interaction device comprises a support mechanism, wherein a motor is fixed on the support mechanism, a rotor of the motor is connected with a lead screw, the lead screw is arranged along the horizontal direction and is coaxially arranged with the rotor of the motor, a nut sleeve is sleeved on the lead screw, a fixing plate arranged along the horizontal direction is fixed on the nut sleeve and is positioned below the lead screw, and the lower surface of the fixing plate is connected with a projector through a telescopic rod; the problem of in the ordinary projection equipment projector's motion unstable, whole projection equipment's installation and construction are comparatively complicated, can not the rational utilization place is solved.
The above prior art solutions have the following drawbacks: the position adjustment is realized through a screw rod structure, although the self-locking effect is achieved, the phenomenon of over-adjustment is easy to occur when some fine adjustment is performed, and reverse adjustment is needed after the over-adjustment, so that the use is inconvenient; and the structure of lead screw also has the installation inconvenient, is unfavorable for the problem of transporting, and the position control of projection box is not convenient enough.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a holographic water curtain projection system which has the effect of facilitating the position adjustment of a projection box and is convenient for better projection operation.
The above object of the present invention is achieved by the following technical solutions:
a holographic water curtain projection system comprises a projection box and a top plate for mounting the projection box, wherein screws for mounting and fixing are arranged at four corners of the top plate, a bottom plate is arranged at the bottom of the top plate along the length direction of the top plate, the bottom plate is connected with the projection box through a connecting rod, a sliding groove is formed in the bottom of the bottom plate along the length direction of the bottom plate, a guide rod is arranged in the sliding groove, the length direction of the guide rod is arranged along the length direction of the sliding groove, and the top of the connecting rod is sleeved outside the guide rod and slides along the guide rod; the connecting rod is provided with a connecting plate, the bottom of the connecting plate is provided with a guide pipe, a positioning rod is arranged in the guide pipe, the top of the positioning rod is connected with a positioning plate, an opening at the bottom of the guide pipe and the outside of the positioning rod are respectively and rotatably provided with a rotating ring, the rotating center of the rotating ring is arranged along the axis of the positioning rod, and the positioning rod penetrates through the rotating ring at the bottom and is movably connected with the guide pipe; a reset spring is arranged between the rotating rings, two ends of the reset spring are respectively connected with the rotating rings, and the reset spring acts on the rotating rings and the positioning rod to enable the positioning plate at the top of the positioning rod to be tightly abutted against the bottom plate.
By adopting the technical scheme, the structure of the top plate and the screws on the top plate is used for mounting the whole structure, the connecting rod structure at the bottom of the top plate is used for sliding connection with the guide rod in the bottom plate, the position can be adjusted when the connecting rod slides along the guide rod, and the proper position is selected for projection of the projection box; need carry out the fixed of position after carrying out the projection, just can make projection job stabilization go on, during the below pulling locating lever, can make the locating lever drive the locating plate and move down, can carry out the slip of connecting rod and projection box this moment, after adjusting suitable position, loosen the locating lever, can make locating plate and the roof bottom at locating lever top carry out the butt under reset spring's effect, played the location effect, the smooth of the projection operation of being convenient for goes on.
The present invention in a preferred example may be further configured to: projection box one end sets up to the opening, and the projection box includes the top cap, is located the curb plate of both sides and is located the L shaped plate of bottom, and L shaped plate both sides are provided with the trip, and the vertical draw-in groove of having seted up on the trip, and the curb plate bottom is located the draw-in groove, is provided with vertical screw on the top cap and connects through screw and curb plate top.
Through adopting above-mentioned technical scheme, set up the structure of projection box into the structure of top cap, curb plate and the mutual concatenation of L shaped plate, when coordinating, curb plate and L shaped plate carry out the position cooperation through trip and draw-in groove, later reuse screw can carry out the connection between top cap and the curb plate, have accomplished projection box overall structure's concatenation, and it is comparatively convenient to assemble the dismantlement, is convenient for transport the construction.
The present invention in a preferred example may be further configured to: the bottom of the connecting rod is provided with a splicing block, and the splicing block is provided with a screw and is connected with the top cover through the screw.
By adopting the technical scheme, the structure that the splicing blocks are connected with the top cover through screws is used for connecting the connecting rod and the top cover, so that the connection between the projection box and the connecting rod is realized, and the use is more convenient.
The present invention in a preferred example may be further configured to: the connecting rod includes the pole one of being connected with the guide bar and the pole two of being connected with the projection box, pole one external fixation has the connection cover, pole one rotates with pole two to be connected and the rotation center line of pole two sets up along a pole one axis, the connection covers and rotates and install the horizontally dwang, the dwang both ends are located the inside and outside both sides of connection cover respectively, the dwang is close to the one end of pole two and is provided with the worm, the outside axis and the coincidence of pole two that are provided with worm wheel and worm wheel of pole, worm drive worm wheel and pole two rotate along the axis of pole two.
By adopting the technical scheme, the worm structure is used, the worm gear can be driven to rotate when the worm structure rotates, the worm gear drives the second rod and the projection box at the bottom to rotate, and the adjustment of the projection angle in the horizontal direction is realized; meanwhile, the driving mode of the worm wheel and the worm drives the self-locking effect, the angle does not need to be additionally locked in the rotating process, and the use is more convenient.
The present invention in a preferred example may be further configured to: the one end that the dwang is close to connecting the locating lever is provided with bevel gear and the axis coincidence of bevel gear and dwang, and the locating lever outside is provided with annular meshing tooth, and meshing tooth meshes with bevel gear's bottom, and locating lever top and locating plate rotate to be connected and rotation center line is the axis of locating lever.
Through adopting above-mentioned technical scheme, used bevel gear's on the dwang structure, cooperated with the outside meshing tooth's of locating lever structure, the locating lever can drive two rotations of pole in the connecting rod when rotating, has realized the angle modulation on connecting rod and the projection box horizontal direction.
The present invention in a preferred example may be further configured to: the end part of the sliding groove is provided with a limiting sheet, and the limiting sheet is provided with a screw and is connected with the bottom plate through the screw.
Through adopting above-mentioned technical scheme, increased the structure of the spacing piece of spout tip to use the screw to carry out the erection joint of spacing piece and bottom plate, the structure of spacing piece has carried out spacingly to the slip of connecting rod, is difficult for following the roll-off in the spout.
The present invention in a preferred example may be further configured to: the splice piece top is provided with two connection pieces, and the connecting rod bottom is located between the connection piece, and the connecting rod both sides all are provided with the horizontally pivot, and the connecting rod rotates through pivot and splice piece to be connected.
Through adopting above-mentioned technical scheme, the structure that uses two connection pieces is used for carrying out the erection joint of connecting rod bottom, can carry out the rotation of connecting rod along the pivot, has realized the angle modulation in vertical side.
The present invention in a preferred example may be further configured to: the pivot both ends extend to the notch outside and the shaping has the external screw thread, installs fastening nut in the pivot, fastening nut and pivot screw-thread fit and fastening nut and connection piece butt.
Through adopting above-mentioned technical scheme, the structure that has used external screw thread in the pivot is used for carrying out fastening nut's installation, when loosening fastening nut, can carry out the rotation of bottom projection box, has realized the regulation of projection angle, screws fastening nut after finishing adjusting, can realize the fixed of position.
The present invention in a preferred example may be further configured to: the top plate comprises strip-shaped plates at two ends and a transverse plate between the strip-shaped plates, wherein a dovetail groove is formed in one side, close to each other, of each strip-shaped plate, one end of each dovetail groove is sealed at the bottom, a sliding strip matched with each dovetail groove is arranged at the end part of each transverse plate, and each transverse plate is connected with each dovetail groove in a sliding mode through the corresponding sliding strip; the screws at the four corners of the top plate are arranged on the strip-shaped plate.
Through adopting above-mentioned technical scheme, the roof structure at top has been constituteed to the structure that has used bar shaped plate and transverse plate, uses the draw runner at transverse plate both ends and the dovetail on the bar shaped plate to cooperate, can realize the concatenation between transverse plate and the bar shaped plate, and it is comparatively convenient to install.
The present invention in a preferred example may be further configured to: the dovetail groove bottom is hinged with a spring plate, the rotating center line of the spring plate is arranged along the length direction of the dovetail groove, the spring plate is located at the opening of the dovetail groove and connected with the strip-shaped plate through a torsion spring, and the side face of the spring plate is abutted against the side face of the transverse plate.
Through adopting above-mentioned technical scheme, increased the structure of spring board and the spring board articulates on the bar shaped plate, when carrying out the installation of bar shaped plate and horizontal board, rotates the spring board downwards, is convenient for carry out the erection joint between bar shaped plate and the horizontal board, and the structure of spring board can be spacing to the draw runner in the dovetail, has realized the erection joint of horizontal board and bar shaped plate.
In summary, the invention includes at least one of the following beneficial technical effects:
the structure of the top plate and the screws on the top plate is used for mounting the whole structure, the connecting rod structure at the bottom of the top plate is used for sliding connection with the guide rod in the bottom plate, position adjustment can be carried out when sliding along the guide rod, and a proper position is selected for projection of the projection box; the top of the positioning rod is abutted with the bottom of the positioning plate and the bottom of the bottom plate, so that the positioning effect is achieved, and the projection operation is conveniently and smoothly carried out;
the connecting rod is arranged to be in a structure that the first rod and the second rod are in rotating connection, when angle adjustment is needed, the rotating of the positioning rod can enable the meshing gear to drive the bevel gear to rotate and drive the worm wheel of the worm to rotate, and therefore the angle adjustment of the projection cover is achieved; the fastening nut is loosened in the same way, and the angle adjustment in the vertical direction can be carried out;
the structure that has used diaphragm and bar shaped plate splices each other and has formed the structure of roof, is convenient for carry out the installation concatenation of roof structure, and it is comparatively convenient to use.
Drawings
FIG. 1 is a schematic cross-sectional view of a main body structure according to the present invention;
FIG. 2 is a schematic view of a connecting structure of a positioning rod and a connecting rod according to the present invention;
FIG. 3 is a schematic view of the top plate connection structure of the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 1;
fig. 5 is a schematic view of the projection box of the present invention.
Reference numerals: 1. a top plate; 11. a strip plate; 12. a transverse plate; 13. a dovetail groove; 14. a spring plate; 15. a torsion spring; 2. a base plate; 21. a chute; 22. a guide bar; 23. a limiting sheet; 3. a connecting rod; 31. a first rod; 32. a second rod; 33. a connecting cover; 34. a worm gear; 35. a bevel gear; 36. a worm; 4. a projection box; 41. a top cover; 42. a side plate; 43. an L-shaped plate; 44. a hook is clamped; 5. splicing blocks; 51. connecting sheets; 52. a rotating shaft; 6. positioning a rod; 61. a rotating ring; 62. a return spring; 63. positioning a plate; 7. a guide tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the holographic water curtain projection system disclosed by the invention comprises a projection box 4 and a top plate 1 for mounting the projection box 4, wherein screws for mounting and fixing are mounted at four corners of the top plate 1, a bottom plate 2 is fixed at the bottom of the top plate 1 along the length direction of the top plate, the bottom plate 2 is connected with the projection box 4 through a connecting rod 3, a sliding groove 21 is arranged at the bottom of the bottom plate 2 along the length direction of the bottom plate, a guide rod 22 is arranged in the sliding groove 21, the guide rod 22 is arranged along the length direction of the sliding groove 21, and the top of the connecting rod 3 is sleeved outside the guide rod 22 and slides along the guide rod 22.
Referring to fig. 1 and 2, the top plate 1 includes strip-shaped plates 11 at two ends and a transverse plate 12 between the strip-shaped plates 11, a dovetail groove 13 is formed in one side of the strip-shaped plates 11 close to each other, one end of the dovetail groove 13 is sealed, a sliding strip matched with the dovetail groove 13 is arranged at the end of the transverse plate 12, the transverse plate 12 is connected with the dovetail groove 13 in a sliding mode through the sliding strip, and screws at four corners of the top plate 1 are located on the strip-shaped plates 11. The bottom of the dovetail groove 13 is hinged with a spring plate 14, the rotating center line of the spring plate 14 is arranged along the length direction of the dovetail groove 13, the spring plate 14 is positioned at the opening of the dovetail groove 13 and is connected with the strip-shaped plate 11 through a torsion spring 15, and the side surface of the spring plate 14 is abutted against the side surface of the transverse plate 12. The structure of the spring plate 14 limits the slide bar arranged in the dovetail groove 13, and a good positioning effect is achieved.
Referring to fig. 1-3, the end of the sliding groove 21 is provided with a limiting piece 23, the limiting piece 23 is provided with a screw and connected with the end of the bottom plate 2 through the screw, and the limiting piece 23 plays a role in limiting the connecting rod 3 on the guide rod 22, so that the phenomenon that the connecting rod 3 excessively slides cannot occur. Connecting rod 3 is last to be provided with the connecting plate, and the connecting plate bottom is provided with stand pipe 7, installs locating lever 6 in the stand pipe 7, and 6 tops of locating lever are connected with locating plate 63, and 7 bottom openings of stand pipe and 6 outside all rotations of locating lever are installed and are rotated swivel becket 61, and swivel becket 61's rotation center sets up along 6 axes of locating lever, and locating lever 6 runs through the swivel becket 61 of bottom and 7 swing joint with stand pipe. Be provided with reset spring 62 between the rotating ring 61, reset spring 62 both ends are connected with rotating ring 61 respectively, and reset spring 62 is used in rotating ring 61 and locating lever 6 and makes locating lever 6 and bottom plate 2 at locating lever 6 top support tightly. When the positioning rod 6 is pulled downwards, the positioning rod can act on the return spring 62 to compress the return spring 62, the positioning plate 63 at the top is separated from the bottom of the bottom plate 2, and the connecting rod 3, the connecting plate and the projection box 4 can horizontally slide for adjusting the position of the projection box 4. Loosen locating lever 6 afterwards, can make locating lever 6 top and locating plate 63 position rise under reset spring 62's effect, when locating plate 63 top and bottom plate 2 support tightly, through the frictional force between the two, carried out effectual location to the structure of connecting plate and connecting rod 3, the going on smoothly of the projection work of being convenient for.
Referring to fig. 1 and 5, one end of the projection box 4 is set to be an opening, the projection box 4 includes a top cover 41, side plates 42 located on two sides and an L-shaped plate 43 located at the bottom, hooks 44 are arranged on two sides of the L-shaped plate 43, a clamping groove is vertically formed in each hook 44, the bottom of each side plate 42 is located in the clamping groove, and a vertical screw is arranged on the top cover 41 and connected with the top of each side plate 42 through the screw. The bottom of the connecting rod 3 is provided with a splicing block 5, and the splicing block 5 is provided with a screw and is connected with the top cover 41 through the screw. The structure of the projection box 4 is set to be a mutually spliced structure, so that the projection box is convenient to assemble and disassemble and is convenient to use.
Referring to fig. 1 and 2, in order to facilitate the angle adjustment in the horizontal direction: the connecting rod 3 comprises a first rod 31 connected with the guide rod 22 and a second rod 32 connected with the projection box 4, a connecting cover 33 is fixed outside the first rod 31, the first rod 31 and the second rod 32 are connected in a rotating mode, the rotating center line of the second rod 32 is arranged along the axis of the first rod 31, a horizontal rotating rod is installed on the connecting cover 33 in a rotating mode, two ends of the rotating rod are located on the inner side and the outer side of the connecting cover 33 respectively, a worm 36 is arranged at one end, close to the second rod 32, of the rotating rod, a worm wheel 34 is arranged outside the second rod 32, the axis of the worm wheel 34 coincides with the second rod 32, and the worm 36 drives the worm wheel 34 and the second rod 32 to rotate along the axis of the second rod 32. The one end that the dwang is close to connecting locating lever 6 is provided with bevel gear 35 and the axis coincidence of bevel gear 35 and dwang, and locating lever 6 outside is provided with annular meshing tooth, and meshing tooth meshes with bevel gear 35's bottom, and locating lever 6 top and locating plate 63 rotate to be connected and the axis of rotation central line for locating lever 6. The engagement teeth on the positioning rod 6 are in mutual engagement with the bevel gear 35 in a normal state. When the angle needs to be adjusted, the positioning rod 6 is rotated (because the two ends of the return spring 62 are connected with the rotating ring 61, the return spring 62 has less obstruction to the rotation of the positioning rod 6, and is convenient to rotate). And the worm wheel 34 and the worm 36 have a good self-locking effect after being matched, and the adjusting process is convenient. When the position is adjusted, the positioning rod 6 is pulled downward to move the link cover 33 and the link lever 3, thereby adjusting the position.
Referring to fig. 1 and 4, in order to facilitate the angle adjustment of the projection box 4 in the vertical direction: splice 5 top is provided with two connection pieces 51, and connecting rod 3 bottom is located between connection piece 51, and connecting rod 3 both sides all are provided with horizontally pivot 52, and connecting rod 3 rotates through pivot 52 and splice 5 to be connected. The two ends of the rotating shaft 52 extend to the outside of the notch and are formed with external threads, a fastening nut is mounted on the rotating shaft 52, the fastening nut is in threaded fit with the rotating shaft 52, and the fastening nut is abutted to the connecting piece 51. With fastening nut unscrewing, can carry out the angle modulation of connecting rod 3 through the mode that rotates connecting rod 3, adjust after finishing, screw fastening nut, can carry out the angle fixation of projection box 4, it is comparatively convenient to adjust.
The implementation principle of the embodiment is as follows: the structure that has used roof 1 and upper screw is used for carrying out overall structure's installation, and the connecting rod 3 structure of roof 1 bottom is used for carrying out and carries out the sliding connection with guide bar 22 in bottom plate 2, can carry out position control when sliding along guide bar 22, selects suitable position to carry out the projection of projection box 4. Need carry out the fixed of position after carrying out the projection, just can make projection job stabilization go on, when downwards spur locating lever 6, can make locating lever 6 drive locating plate 63 downstream, can carry out the slip of connecting rod 3 and projection box 4 this moment, adjust after suitable position, loosen locating lever 6, can make locating plate 63 and the roof 1 bottom at locating lever 6 top carry out the butt under reset spring 62's effect, the location effect has been played, be convenient for go on smoothly of projection operation.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. A holographic water curtain projection system comprising a projection box (4) and a top plate (1) for mounting the projection box (4), characterized in that: screws for mounting and fixing are arranged at four corners of the top plate (1), a bottom plate (2) is arranged at the bottom of the top plate (1) along the length direction of the top plate, the bottom plate (2) is connected with the projection box (4) through a connecting rod (3), a sliding groove (21) is arranged at the bottom of the bottom plate (2) along the length direction of the bottom plate, a guide rod (22) is arranged in the sliding groove (21), the guide rod (22) is arranged along the length direction of the sliding groove (21), and the top of the connecting rod (3) is sleeved outside the guide rod (22) and slides along the guide rod (22); a connecting plate is arranged on the connecting rod (3), a guide pipe (7) is arranged at the bottom of the connecting plate, a positioning rod (6) is arranged in the guide pipe (7), a positioning plate (63) is connected to the top of the positioning rod (6), a rotating ring (61) is rotatably arranged at the bottom opening of the guide pipe (7) and the outer part of the positioning rod (6), the rotating center of the rotating ring (61) is arranged along the axis of the positioning rod (6), and the positioning rod (6) penetrates through the rotating ring (61) at the bottom and is movably connected with the guide pipe (7); a return spring (62) is arranged between the rotating rings (61), two ends of the return spring (62) are respectively connected with the rotating rings (61), and the return spring (62) acts on the rotating rings (61) and the positioning rod (6) to enable a positioning plate (63) at the top of the positioning rod (6) to be tightly abutted against the bottom plate (2); one end of the projection box (4) is arranged to be an opening, the projection box (4) comprises a top cover (41), side plates (42) located on two sides and an L-shaped plate (43) located at the bottom, clamping hooks (44) are arranged on two sides of the L-shaped plate (43), clamping grooves are vertically formed in the clamping hooks (44), the bottoms of the side plates (42) are located in the clamping grooves, and vertical screws are arranged on the top cover (41) and connected with the tops of the side plates (42) through the screws; the bottom of the connecting rod (3) is provided with a splicing block (5), and the splicing block (5) is provided with a screw and is connected with the top cover (41) through the screw; the connecting rod (3) comprises a first rod (31) connected with the guide rod (22) and a second rod (32) connected with the projection box (4), a connecting cover (33) is fixed outside the first rod (31), the first rod (31) and the second rod (32) are connected in a rotating mode, the rotating center line of the second rod (32) is arranged along the axis of the first rod (31), a horizontal rotating rod is installed on the connecting cover (33) in a rotating mode, two ends of the rotating rod are located on the inner side and the outer side of the connecting cover (33) respectively, a worm (36) is arranged at one end, close to the second rod (32), of the rotating rod, a worm wheel (34) is arranged outside the second rod (32), the axis of the worm wheel (34) is overlapped with the second rod (32), and the worm (36) drives the worm wheel (34) and the second rod (32) to rotate along; one end of the rotating rod, which is close to the connecting positioning rod (6), is provided with a bevel gear (35), the axes of the bevel gear (35) and the rotating rod are overlapped, the outer part of the positioning rod (6) is provided with annular meshing teeth, the meshing teeth are meshed with the bottom of the bevel gear (35), the top of the positioning rod (6) is rotatably connected with the positioning plate (63), and the rotating center line is the axis of the positioning rod (6).
2. The holographic water curtain projection system of claim 1, wherein: the end part of the sliding chute (21) is provided with a limiting sheet (23), and the limiting sheet (23) is provided with a screw and is connected with the bottom plate (2) through the screw.
3. The holographic water curtain projection system of claim 2, wherein: the top of the splicing block (5) is provided with two connecting pieces (51), the bottom of the connecting rod (3) is positioned between the connecting pieces (51), both sides of the connecting rod (3) are provided with horizontal rotating shafts (52), and the connecting rod (3) is rotatably connected with the splicing block (5) through the rotating shafts (52).
4. The holographic water curtain projection system of claim 3, wherein: the two ends of the rotating shaft (52) extend to the outside of the notch and are formed with external threads, a fastening nut is installed on the rotating shaft (52), and the fastening nut is in threaded fit with the rotating shaft (52) and is abutted to the connecting piece (51).
5. The holographic water curtain projection system of claim 1, wherein: the top plate (1) comprises strip-shaped plates (11) at two ends and transverse plates (12) between the strip-shaped plates (11), wherein a dovetail groove (13) is formed in one side, close to each other, of each strip-shaped plate (11), one end of each dovetail groove (13) is sealed, a sliding strip matched with each dovetail groove (13) is arranged at the end part of each transverse plate (12), and each transverse plate (12) is connected with each dovetail groove (13) in a sliding mode through each sliding strip; the screws at the four corners of the top plate (1) are arranged on the strip-shaped plate (11).
6. The holographic water curtain projection system of claim 5, wherein: the bottom of the dovetail groove (13) is hinged with a spring plate (14), the rotating center line of the spring plate (14) is arranged along the length direction of the dovetail groove (13), the spring plate (14) is positioned at the opening of the dovetail groove (13) and is connected with the strip-shaped plate (11) through a torsion spring (15), and the side surface of the spring plate (14) is abutted against the side surface of the transverse plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064958.2A CN111306407B (en) | 2020-01-20 | 2020-01-20 | Holographic water curtain projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064958.2A CN111306407B (en) | 2020-01-20 | 2020-01-20 | Holographic water curtain projection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111306407A CN111306407A (en) | 2020-06-19 |
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| CN203927337U (en) * | 2014-06-24 | 2014-11-05 | 王腾 | The safe anti-falling projector mount that falls |
| CN105676582A (en) * | 2016-03-18 | 2016-06-15 | 李燕飞 | Suspension frame for projector |
| CN207230074U (en) * | 2017-09-04 | 2018-04-13 | 江苏师范大学 | A kind of projection arrangement for facilitating adjusting position and effective noise reduction |
| CN109780406A (en) * | 2019-02-28 | 2019-05-21 | 广州市雄云视听设备有限公司 | A kind of projector hanger adjusted the angle by worm and gear |
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| CN105757419A (en) * | 2014-12-19 | 2016-07-13 | 张丹 | Novel automatic projector rack |
| CN206074982U (en) * | 2016-09-07 | 2017-04-05 | 江苏翔科科技有限公司 | A kind of suspension type projector of remote diagnosis meeting |
| CN206386653U (en) * | 2016-12-28 | 2017-08-08 | 湖南理工学院 | A kind of projector mount adjusting apparatus |
| CN209100493U (en) * | 2018-10-10 | 2019-07-12 | 佛山市顺德区澳德里金属制品有限公司 | A kind of double pull-type sliding rails of magnetic force locking |
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Address after: 518000 Room 201, building H2, East Industrial Zone, Oct, No. 1, Xiangshan East Street, Guanghua Street community, Shahe street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Pinyan United Creative Design Co.,Ltd. Address before: 518000 13B-02 1, sunshine Huayi building, 3003 Nanhai Road, Nanshan District, Shenzhen, Guangdong. Patentee before: SHENZHEN PINYAN INTERIOR DESIGN CO.,LTD. |