CN111536386B - Adjustable projector supporting device utilizing ratchet wheel positioning principle - Google Patents
Adjustable projector supporting device utilizing ratchet wheel positioning principle Download PDFInfo
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- CN111536386B CN111536386B CN202010384616.9A CN202010384616A CN111536386B CN 111536386 B CN111536386 B CN 111536386B CN 202010384616 A CN202010384616 A CN 202010384616A CN 111536386 B CN111536386 B CN 111536386B
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- 238000009434 installation Methods 0.000 claims description 3
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- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification 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
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
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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
- F16M11/04—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
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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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)
- Projection Apparatus (AREA)
Abstract
The invention relates to the technical field of computer output equipment, and discloses an adjustable projector supporting device utilizing a ratchet wheel positioning principle, which comprises a base, wherein the top of the base is rotatably connected with a rotating platform, the inside of the rotating platform is movably connected with an adjusting rod, the outside of the adjusting rod is movably connected with a flat rotating gear, the bottom of the flat rotating gear is engaged and connected with a flat gear ring, the outside of the adjusting rod is movably connected with a fixed rod, the outside of the fixed rod is fixedly connected with a bevel gear, the outside of the adjusting rod is sleeved and connected with a worm, the outside of the worm is engaged and connected with a ratchet ring gear, and the flat rotating gear, the flat gear ring, the fixed rod and the bevel gear are matched for use, so that the effect of adjusting the rotation of the rotating platform on the top of the base is achieved, the effect of adjusting the horizontal rotation angle of a projector is achieved, the operation is simple, and the adjustment is convenient, the trouble of horizontal adjustment of the projector is greatly reduced, so that the using effect of the device is improved.
Description
Technical Field
The invention relates to the technical field of computer output equipment, in particular to an adjustable projector supporting device utilizing a ratchet wheel positioning principle.
Background
The output device is a terminal device of a computer hardware system, and is used for receiving output display, printing, sound of computer data, controlling peripheral device operation and the like, and also expressing various calculation result data or information in the form of numbers, characters, images, sound and the like.
When the projector is used, the vertical inclination angle and the horizontal rotation angle of the projector are often required to be adjusted according to actual conditions, and because the projector is generally fixedly connected to the support frame, when the vertical inclination angle is adjusted, the height of four support rods at the bottom of the support frame of the projector is generally adjusted by the conventional adjusting mode, so that the four support rods have a certain height difference to realize the adjustment of the vertical inclination angle of the projector, however, the adjusting mode has the disadvantages of troublesome operation, time and labor waste and low adjusting efficiency, and the projector is easy to incline to a certain degree during adjustment, so that the projection effect is influenced; when the horizontal rotation angle is adjusted, the projector and the support frame are often fixedly connected, so that the whole support frame needs to be rotated when the horizontal rotation angle is adjusted, the operation is very troublesome, and the using effect of the existing projector support device is poor.
In order to solve the above problems, the inventors provide an adjustable projector support apparatus using a ratchet positioning principle.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: an adjustable projector supporting device utilizing a ratchet wheel positioning principle comprises a base, a rotating platform, an adjusting rod, a flat rotating gear, a flat gear ring, a fixed rod, a bevel gear, a worm, a ratchet ring gear, a limiting block, a supporting spring, a telescopic gear rod, a limiting spring, a limiting gear, an inclination gear, a fixed shaft, a mounting frame and a guide rod.
The position and connection relation of the structures are as follows:
the top of the base is rotatably connected with a rotating platform, the inside of the rotating platform is movably connected with an adjusting rod, the outside of the adjusting rod is movably connected with a flat rotating gear, the bottom of the flat rotating gear is engaged and connected with a flat gear ring, the outside of the adjusting rod is movably connected with a fixed rod, the outside of the fixed rod is fixedly connected with a bevel gear, the outside of the adjusting rod is sleeved and connected with a worm, the outside of the worm is engaged and connected with a ratchet ring gear, the inside of the ratchet ring gear is movably connected with a limit block, the bottom of the limit block is fixedly connected with a supporting spring, the inside of the limit block is slidably connected with a telescopic rack bar, the outside of the telescopic rack bar is sleeved and connected with a limit spring, the outside of the telescopic rack bar is engaged and connected with a limit gear, the top of the ratchet ring gear is engaged and connected with an inclination gear, and the inside of the inclination gear is fixedly connected with a fixed shaft, the outside fixedly connected with mounting bracket of fixed axle, the bottom sliding connection of mounting bracket has the guide bar.
Preferably, the flat-turning gear and the fixed rod are both provided with two, the left flat-turning gear is connected to the outside of the adjusting rod in a sleeved mode, the right flat-turning gear is fixedly connected with the fixed rod, a limiting slot is formed in the left flat-turning gear, the two flat-turning gears are connected with the flat gear ring in an engaged mode, the two fixed rods are movably connected to the inside of the rotating platform, the left fixed rod is movably connected with the adjusting rod, and the limiting slot is formed in the left fixed rod.
Preferably, the flat gear ring is fixedly connected to the top of the base, and the circle center of the flat gear ring is collinear with the circle center of the base.
Preferably, the number of the bevel gears is three, two of the bevel gears are fixedly connected with the two fixing rods respectively, the other bevel gear is movably connected inside the rotating platform, and the bevel gears fixedly connected with the two fixing rods are meshed with the left side and the right side of the other bevel gear respectively.
Preferably, the inside of worm is provided with spacing slot, and the outside of adjusting the pole is provided with three spacing inserted block, and three spacing inserted block respectively with the spacing slot of worm, the spacing slot of left side flat-turning gear, the spacing slot swing joint of left side dead lever.
Preferably, the ratchet ring gear, the limiting block and the supporting spring are movably connected inside the rotating table, the inner ring of the ratchet ring gear is provided with a positioning groove, and the limiting block is movably connected with the positioning groove.
Preferably, flexible ratch comprises interior gag lever post and outer loop bar, and interior gag lever post swing joint is in the inside of outer loop bar, interior gag lever post and stopper swing joint, and gag lever post outside including the gag lever post is cup jointed to spacing spring, and the bottom of outer loop bar is provided with the ratch, and ratch and limit gear mesh are connected.
Preferably, limit gear swing joint is in the outside of revolving stage, and limit gear's outside is provided with the dwang, and the dwang run through the revolving stage and with the outside swing joint of revolving stage.
Preferably, the guide bar is hingedly connected to the top of the rotating table.
Advantageous effects
Compared with the prior art, the invention provides an adjustable projector supporting device utilizing a ratchet wheel positioning principle, which has the following beneficial effects:
1. this utilize adjustable projecting apparatus strutting arrangement of ratchet location principle uses through the cooperation of adjusting pole concora crush gear, flat ring gear, dead lever and bevel gear to reach and adjust the top rotation effect of revolving stage at the base, thereby reach the effect of adjusting the horizontal corner of projecting apparatus, and easy operation, it is convenient to adjust, very big reduction the trouble of projecting apparatus level (l) ing, thereby improved the device's result of use.
2. This utilize adjustable projecting apparatus strutting arrangement of ratchet positioning principle uses through the cooperation of adjusting pole, worm, ratchet ring gear, inclination gear and fixed axle to adjust the effect at projecting apparatus vertical inclination, the regulative mode is simple, and governing speed is fast, very big improvement the efficiency that the perpendicular inclination of projecting apparatus was adjusted, and the perpendicular rotational position of projecting apparatus is accurate, effectively avoids the projecting apparatus slope, thereby effectively guarantees the effect of projecting apparatus.
3. This utilize adjustable projecting apparatus strutting arrangement of ratchet location principle uses through the cooperation of ratchet ring gear, stopper, supporting spring, flexible ratch, spacing spring and spacing gear to reach the stability of guaranteeing the mounting bracket position, avoid the projecting apparatus to take place the phenomenon of verting downwards under the action of gravity, thereby guarantee the stability of projection in-process, guarantee projected effect.
Drawings
FIG. 1 is a schematic view of the overall connection of the structure of the present invention;
FIG. 2 is a schematic view of the partial connection of the base, the rotary table, the adjusting lever, the horizontal rotation gear, the worm, the ratchet ring gear, the tilt gear and the fixed shaft according to the present invention;
FIG. 3 is a schematic top view of the structural backing and the flat ring connection of the present invention;
FIG. 4 is a side view of the connection of the base, the rotary table, the adjusting lever, the ratchet ring gear, the limiting block, the tilt gear and the fixed shaft according to the present invention;
FIG. 5 is an enlarged view of the connection of the ratchet ring gear, the stopper, the support spring, the retractable rack bar, the stopper spring and the stopper gear of part A of the present invention shown in FIG. 4.
In the figure: 1. a base; 2. a rotating table; 3. adjusting a rod; 4. a translation gear; 5. a flat gear ring; 6. fixing the rod; 7. a bevel gear; 8. a worm; 9. a ratchet ring gear; 10. a limiting block; 11. a support spring; 12. a telescopic rack bar; 13. a limiting spring; 14. a limit gear; 15. a pitch gear; 16. a fixed shaft; 17. a mounting frame; 18. a guide rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an adjustable projector supporting device using a ratchet positioning principle includes a base 1, a rotating table 2, an adjusting rod 3, a horizontal rotation gear 4, a horizontal gear ring 5, a fixing rod 6, a bevel gear 7, a worm 8, a ratchet ring gear 9, a limiting block 10, a supporting spring 11, a telescopic gear rod 12, a limiting spring 13, a limiting gear 14, an inclination gear 15, a fixing shaft 16, an installation frame 17, and a guide rod 18.
The positions and the connection relations of the structures are as follows:
the top of the base 1 is rotatably connected with a rotating platform 2, the inner part of the rotating platform 2 is movably connected with an adjusting rod 3, the outer part of the adjusting rod 3 is movably connected with a flat gear 4, the bottom of the flat gear 4 is meshed with a flat gear ring 5, the flat gear ring 5 is fixedly connected with the top of the base 1, the circle center of the flat gear ring 5 is collinear with that of the base 1, the outer part of the adjusting rod 3 is movably connected with a fixed rod 6, the flat gear 4 and the fixed rod 6 are both provided with two, the flat gear 4 at the left side is sleeved and connected with the outer part of the adjusting rod 3, the flat gear 4 at the right side is fixedly connected with the fixed rod 6, the flat gear 4 at the left side is internally provided with a limit slot, the two flat gears 4 are both meshed and connected with the flat gear ring 5, the two fixed rods 6 are both movably connected with the inner part of the rotating platform 2, the fixed rod 6 at the left side is movably connected with the adjusting rod 3, the fixed rod 6 at the left side is internally provided with the limit slot, outside fixedly connected with bevel gear 7 of dead lever 6, bevel gear 7 is provided with threely, and wherein two bevel gears 7 respectively with two dead lever 6 fixed connection, another bevel gear 7 swing joint is in the inside of revolving stage 2, and connect in the left and right sides of another bevel gear 7 with two dead lever 6 fixed connection's bevel gear 7 meshing respectively, through adjusting lever 3 flat turn gear 4, flat ring 5, dead lever 6 and bevel gear 7's cooperation is used, thereby reach the top rotation effect of adjusting revolving stage 2 at base 1, thereby reach the effect of adjusting the horizontal corner of projecting apparatus, and easy operation, it is convenient to adjust, very big reduction projecting apparatus level control's trouble, thereby the device's result of use has been improved.
The external part of the adjusting rod 3 is connected with a worm 8 in a sleeved mode, the internal part of the worm 8 is provided with a limiting slot, the external part of the adjusting rod 3 is provided with three limiting insert blocks which are respectively movably connected with the limiting slot of the worm 8, the limiting slot of the left side flat turning gear 4 and the limiting slot of the left side fixing rod 6, the external part of the worm 8 is meshed with a ratchet ring gear 9, the internal part of the ratchet ring gear 9 is movably connected with a limiting block 10, the bottom of the limiting block 10 is fixedly connected with a supporting spring 11, the ratchet ring gear 9, the limiting block 10 and the supporting spring 11 are movably connected with the internal part of the rotating platform 2, the inner ring of the ratchet ring gear 9 is provided with a positioning groove, the limiting block 10 is movably connected with the positioning groove, the internal part of the limiting block 10 is slidably connected with a telescopic toothed rod 12, the telescopic toothed rod 12 consists of an inner limiting rod and an outer sleeve rod, the inner limiting rod is movably connected with the inner limiting rod and the limiting block 10, the limiting spring 13 is connected to the outside of the inner limiting rod in a sleeved manner, the bottom of the outer sleeve rod is provided with a toothed bar, the toothed bar is meshed with the limiting gear 14, the limiting spring 13 is connected to the outside of the telescopic toothed bar 12 in a sleeved manner, the limiting gear 14 is connected to the outside of the telescopic toothed bar 12 in a meshed manner, the limiting gear 14 is movably connected to the outside of the rotary table 2, a rotating rod is arranged on the outside of the limiting gear 14 and penetrates through the rotary table 2 and is movably connected with the outside of the rotary table 2, the position of the mounting frame 17 is ensured to be stable by matching the ratchet ring gear 9, the limiting block 10, the supporting spring 11, the telescopic toothed bar 12, the limiting spring 13 and the limiting gear 14, the phenomenon that the projector tilts downwards under the action of gravity is avoided, the stability in the projection process is ensured, the projection effect is ensured, the top of the ratchet ring gear 9 is meshed with the inclination angle gear 15, inside fixedly connected with fixed axle 16 of inclination gear 15, through adjusting pole 3, worm 8, ratchet ring gear 9, inclination gear 15 and fixed axle 16's cooperation is used, thereby adjust the effect at projecting apparatus vertical inclination, the regulative mode is simple, the governing speed is fast, very big improvement the efficiency that projecting apparatus vertical inclination was adjusted, and projecting apparatus vertical rotation position is accurate, effectively avoid the projecting apparatus slope, thereby effectively guarantee the effect of projecting apparatus, the outside fixedly connected with mounting bracket 17 of fixed axle 16, mounting bracket 17's bottom sliding connection has guide bar 18, the articulated top of connecting at revolving stage 2 of guide bar 18.
When the projector is used, the projector is fixedly connected with the mounting frame 17, when the upward inclined rotation of the projector needs to be adjusted, because the mounting frame 17 is fixedly connected with the fixed shaft 16, the fixed shaft 16 is fixedly connected with the inclined angle gear 15, the inclined angle gear 15 is meshed with the ratchet ring gear 9, the ratchet ring gear 9 is meshed with the worm 8, the worm 8 is connected with the outer part of the adjusting rod 3 in a sleeved mode, the inner part of the worm 8 is provided with a limit slot, the outer part of the adjusting rod 3 is provided with a limit insert block, the limit insert block is movably connected with the limit slot of the worm 8, the adjusting rod 3 is pulled outwards to enable the limit insert block to be movably connected with the limit slot of the worm 8, the adjusting rod 3 is rotated to enable the adjusting rod 3 to drive the worm 8 to rotate, the worm 8 drives the ratchet ring gear 9 to rotate, the ratchet ring gear 9 drives the inclined angle gear 15 to rotate, the inclined angle gear 15 drives the fixed shaft 16 to rotate, the fixing shaft 16 drives the mounting rack 17 to rotate upwards, and the mounting rack 17 drives the projector to rotate upwards, so that the effect of adjusting the upward inclination of the projector is achieved.
Because the ratchet ring gear 9, the limiting block 10 and the supporting spring 11 are movably connected inside the rotating platform 2, the inner ring of the ratchet ring gear 9 is provided with a positioning groove, the limiting block 10 is movably connected with the positioning groove, the telescopic toothed bar 12 consists of an inner limiting bar and an outer sleeve bar, the inner limiting bar is movably connected inside the outer sleeve bar, the inner limiting bar is movably connected with the limiting block 10, the limiting spring 13 is connected outside the inner limiting bar in a sleeved mode, the bottom of the outer sleeve bar is provided with a toothed bar, the toothed bar is connected with the limiting gear 14 in a meshed mode, the limiting gear 14 is movably connected outside the rotating platform 2, the outer part of the limiting gear 14 is provided with a rotating bar, and the rotating bar penetrates through the rotating platform 2 and is movably connected with the outer part of the rotating platform 2, the ratchet ring gear 9 can only rotate clockwise in a single direction under the action of the limiting block 10, the supporting spring 11, the telescopic toothed bar 12 and the limiting spring 13, and the stability of the projector in the using process is effectively ensured, the projection effect is ensured. Then when the projecting apparatus downward sloping needs to be adjusted, through rotating the dwang, the dwang drives limit gear 14 and rotates, limit gear 14 drives flexible ratch 12 and slides right, flexible ratch 12 drives stopper 10 and slides down, and flexible ratch 12 and stopper 10 compress limit spring 13 and supporting spring 11 simultaneously, when stopper 10 moves down, stopper 10 loses the limiting displacement to ratchet ring gear 9, thereby the bar 3 is adjusted in the counter-rotation, the same thing, it drives fixed axle 16 counter-rotation to adjust bar 3, fixed axle 16 drives mounting bracket 17 counter-rotation, thereby reach the effect of adjusting the projecting apparatus downward sloping, and simultaneously through dwang counter-rotation limit gear 14, the same thing, limit gear 14 drives stopper 10 and moves up, thereby from the stability of newly guaranteeing ratchet ring gear 9, reach the effect of relocating the projecting apparatus.
When the horizontal rotation angle of the projector needs to be adjusted, because the rotating platform 2 is rotatably connected to the top of the base 1, two horizontal rotation gears 4 and two fixed rods 6 are arranged, the left horizontal rotation gear 4 is connected to the outer part of the adjusting rod 3 in a sleeved mode, the right horizontal rotation gear 4 is fixedly connected with the fixed rod 6, a limit slot is arranged in the left horizontal rotation gear 4, the two fixed rods 6 are movably connected to the inner part of the rotating platform 2, the left fixed rod 6 is movably connected with the adjusting rod 3, a limit slot is arranged in the left fixed rod 6, a limit insert block is arranged on the outer part of the adjusting rod 3, the limit insert blocks are respectively movably connected with the horizontal rotation gear 4 limit slot and the fixed rod 6 limit slot, three bevel gears 7 are arranged, two bevel gears 7 are respectively fixedly connected with the two fixed rods 6, and the other bevel gear 7 is movably connected to the inner part of the rotating platform 2, and the bevel gears 7 fixedly connected with the two fixing rods 6 are respectively meshed and connected with the left side and the right side of the other bevel gear 7, therefore, the adjusting rod 3 is moved inwards during adjustment, the limit inserting block of the adjusting rod 3 is respectively connected with the limit inserting slot of the flat rotating gear 4 and the limit inserting slot of the fixed rod 6 in an inserting way, the adjusting rod 3 is rotated at the same time, the adjusting rod 3 drives one flat rotating gear 4 and one fixing rod 6 to rotate, one fixing rod 6 drives the other fixing rod 6 to rotate reversely through the bevel gear 7, the other fixing rod 6 drives the other flat rotating gear 4 to rotate reversely, and because the two flat rotating gears 4 are evenly meshed and connected with the flat gear ring 5, the flat gear ring 5 is fixedly connected with the top of the base 1, the circle center of the flat gear ring 5 is collinear with the circle center of the base 1, therefore, under the action of the two flat rotating gears 4, the rotating platform 2 is rotated, so that the effect of adjusting the horizontal rotating angle of the projector is achieved. The vertical inclination angle and the horizontal rotation angle of the projector are convenient to adjust, the adjusting speed is high, the adjusting efficiency is high, the position adjusting precision is high, and the using effect of the device is effectively improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An adjustable projector support device using ratchet positioning principle, comprising a base (1), characterized in that: the top of the base (1) is rotatably connected with a rotating platform (2), the inner part of the rotating platform (2) is movably connected with an adjusting rod (3), the outer part of the adjusting rod (3) is movably connected with a flat rotating gear (4), the bottom of the flat rotating gear (4) is meshed with a flat toothed ring (5), the outer part of the adjusting rod (3) is movably connected with a fixed rod (6), the outer part of the fixed rod (6) is fixedly connected with a bevel gear (7), the outer part of the adjusting rod (3) is connected with a worm (8) in a sleeved mode, the outer part of the worm (8) is meshed with a ratchet ring gear (9), the inner part of the ratchet ring gear (9) is movably connected with a limiting block (10), the bottom of the limiting block (10) is fixedly connected with a supporting spring (11), the inner part of the limiting block (10) is connected with a telescopic toothed rod (12) in a sliding mode, and the outer part of the telescopic toothed rod (12) is connected with a limiting spring (13) in a sleeved mode, the ratchet wheel is characterized in that a limiting gear (14) is meshed and connected to the outer portion of the telescopic toothed rod (12), an inclined angle gear (15) is meshed and connected to the top of the ratchet ring gear (9), a fixed shaft (16) is fixedly connected to the inner portion of the inclined angle gear (15), an installation frame (17) is fixedly connected to the outer portion of the fixed shaft (16), and a guide rod (18) is slidably connected to the bottom of the installation frame (17).
2. An adjustable projector support apparatus using ratchet positioning principle as claimed in claim 1, wherein: the utility model discloses a swing joint, including regulation pole (3), flat round gear (4) and dead lever (6), the flat round gear in left side (4) cup joints the outside of connecting at regulation pole (3), right side flat round gear (4) and dead lever (6) fixed connection, spacing slot has been seted up to the inside of left side flat round gear (4), two flat round gear (4) are equal and the meshing of cogged ring (5) is connected, the inside of two equal swing joint in dead lever (6) revolving stage (2), left side dead lever (6) and regulation pole (3) swing joint, the inside of left side dead lever (6) is provided with spacing slot.
3. An adjustable projector support using ratchet positioning principle as claimed in claim 1, wherein: the flat gear ring (5) is fixedly connected to the top of the base (1), and the circle center of the flat gear ring (5) is collinear with the circle center of the base (1).
4. An adjustable projector support apparatus using ratchet positioning principle as claimed in claim 1, wherein: the bevel gears (7) are three, two bevel gears (7) are fixedly connected with the two fixing rods (6) respectively, the other bevel gear (7) is movably connected inside the rotating platform (2), and the bevel gears (7) fixedly connected with the two fixing rods (6) are meshed with the left side and the right side of the other bevel gear (7) respectively.
5. An adjustable projector support using ratchet positioning principle as claimed in claim 2, wherein: the inside of worm (8) is provided with spacing slot, and the outside of adjusting pole (3) is provided with three spacing inserted block, and three spacing inserted block respectively with the spacing slot of worm (8), the spacing slot of left side flat-turning gear (4), the spacing slot swing joint of left side dead lever (6).
6. An adjustable projector support using ratchet positioning principle as claimed in claim 1, wherein: ratchet ring gear (9), stopper (10) and supporting spring (11) all swing joint are in the inside of revolving stage (2), and the inner ring of ratchet ring gear (9) is provided with the constant head tank, stopper (10) and constant head tank swing joint.
7. An adjustable projector support apparatus using ratchet positioning principle as claimed in claim 1, wherein: the telescopic toothed bar (12) is composed of an inner limiting bar and an outer sleeve bar, the inner limiting bar is movably connected inside the outer sleeve bar, the inner limiting bar is movably connected with the limiting block (10), the limiting spring (13) is connected outside the inner limiting bar in a sleeved mode, the toothed bar is arranged at the bottom of the outer sleeve bar, and the toothed bar is connected with the limiting gear (14) in a meshed mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384616.9A CN111536386B (en) | 2020-05-08 | 2020-05-08 | Adjustable projector supporting device utilizing ratchet wheel positioning principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384616.9A CN111536386B (en) | 2020-05-08 | 2020-05-08 | Adjustable projector supporting device utilizing ratchet wheel positioning principle |
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| CN111536386A CN111536386A (en) | 2020-08-14 |
| CN111536386B true CN111536386B (en) | 2022-06-17 |
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| CN114087500B (en) * | 2022-01-24 | 2022-04-22 | 日照山海天旅游度假区规划设计有限公司 | On-spot measuring device for architectural design |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005201954A (en) * | 2004-01-13 | 2005-07-28 | Nec Viewtechnology Ltd | Projector having device for automatically adjusting right-and-left projecting direction |
| CN206093386U (en) * | 2016-10-08 | 2017-04-12 | 咸宁职业技术学院 | Adjustable brace equipment for chemical industry |
| CN207424502U (en) * | 2017-11-23 | 2018-05-29 | 郑州广角科贸有限公司 | A kind of smart projector convenient for adjusting |
| CN207621597U (en) * | 2017-12-25 | 2018-07-17 | 山东协和学院 | A kind of Digital Media projection arrangement |
| CN108506676A (en) * | 2018-04-14 | 2018-09-07 | 东莞市科学技术博物馆 | A kind of electronic information projecting apparatus holder |
| CN209294708U (en) * | 2018-10-10 | 2019-08-23 | 杭州施必得展示设计有限公司 | A kind of projection arrangement facilitating adjusting |
| CN110822227A (en) * | 2019-11-01 | 2020-02-21 | 常州工学院 | Projection device with wireless connection function |
-
2020
- 2020-05-08 CN CN202010384616.9A patent/CN111536386B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005201954A (en) * | 2004-01-13 | 2005-07-28 | Nec Viewtechnology Ltd | Projector having device for automatically adjusting right-and-left projecting direction |
| CN206093386U (en) * | 2016-10-08 | 2017-04-12 | 咸宁职业技术学院 | Adjustable brace equipment for chemical industry |
| CN207424502U (en) * | 2017-11-23 | 2018-05-29 | 郑州广角科贸有限公司 | A kind of smart projector convenient for adjusting |
| CN207621597U (en) * | 2017-12-25 | 2018-07-17 | 山东协和学院 | A kind of Digital Media projection arrangement |
| CN108506676A (en) * | 2018-04-14 | 2018-09-07 | 东莞市科学技术博物馆 | A kind of electronic information projecting apparatus holder |
| CN209294708U (en) * | 2018-10-10 | 2019-08-23 | 杭州施必得展示设计有限公司 | A kind of projection arrangement facilitating adjusting |
| CN110822227A (en) * | 2019-11-01 | 2020-02-21 | 常州工学院 | Projection device with wireless connection function |
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| CN111536386A (en) | 2020-08-14 |
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