CN114484318A - But backlight of quick adjustment spotlight nature - Google Patents
But backlight of quick adjustment spotlight nature Download PDFInfo
- Publication number
- CN114484318A CN114484318A CN202210167534.8A CN202210167534A CN114484318A CN 114484318 A CN114484318 A CN 114484318A CN 202210167534 A CN202210167534 A CN 202210167534A CN 114484318 A CN114484318 A CN 114484318A
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- backlight
- movable joint
- rotatably connected
- rod
- light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/105—Outdoor lighting of arenas or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention provides a backlight source capable of quickly adjusting the light condensation property, and relates to the field of lighting equipment. The backlight source capable of quickly adjusting the light concentration property comprises a first movable joint seat, wherein the top end of the first movable joint seat is rotatably connected with a first movable joint, the outer part of the top end of the first movable joint is fixedly connected with a second movable joint seat, and the top end of the second movable joint seat is rotatably connected with a second movable joint. Through the starter motor function, the function of motor drives the screw thread cover dish and carries out reciprocating motion on the threaded rod, simultaneously under the effect of gag lever post, guaranteed effectively that the screw thread cover dish is the reciprocating motion of horizontal direction on the threaded rod, thereby the screw thread cover dish drives the lamp shade and expandes or gathers together in step at the removal in-process, through the expansion of lamp shade or gather together the change that drives backlight illumination angle, thereby accomplish the operation of adjusting backlight light source focus, the light source focus of regulation backlight that can be simple quick through this mode, convenient to use.
Description
Technical Field
The invention relates to the technical field of lighting equipment, in particular to a backlight source capable of quickly adjusting the light condensation property.
Background
Stage lighting, which uses stage lighting equipment (such as lighting lamps, slide projectors, control systems and the like) and technical means, displays the environment and the rendering atmosphere by light color and change thereof, highlights central characters, creates the space sense and the time sense of a stage, shapes the external image of stage performance and provides necessary lighting effects (such as wind, rain, cloud, water and lightning) along with the development of a scenario.
Often use the backlight to promote stage lighting's effect among the stage lighting, but present stage backlight has the use flexibility poor in the use, can not make things convenient for the quick problem of adjusting backlight focus point and use angle, has certain limitation in the use.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the backlight source with the condensing performance capable of being quickly adjusted, and solves the problems that the backlight source is poor in use flexibility in the use process, and the focus point and the use angle of the backlight source cannot be conveniently and quickly adjusted.
In order to achieve the purpose, the invention is realized by the following technical scheme: a backlight source capable of quickly adjusting the light concentration comprises a base and a backlight source positioned on the base, wherein one end of the base is fixedly connected to a bottom plate of the backlight source, the outer part of the bottom plate is rotatably connected with a plurality of uniformly distributed lamp shades, a plurality of uniformly distributed backlight lamps are installed at the inner side end of any one of the lamp shades, a motor is installed in a groove at the inner side of the bottom plate, the output end of the motor is fixedly connected with a threaded rod, the outer part of the threaded rod is connected with a threaded sleeve disc in a threaded manner, the outer side end of the threaded rod is fixedly connected with a limiting block, limiting rods are slidably connected in through holes at two sides of the threaded sleeve disc respectively, telescopic rods corresponding to the number of the lamp shades are rotatably connected at the outer part of the threaded sleeve disc, a plurality of radiating holes corresponding to the number of the lamp shades in position are arranged in the bottom plate, a plurality of movable grooves corresponding to the number of the radiating holes in position are arranged in the bottom plate, every equal sliding connection in inside of activity groove has the baffle, every the equal fixedly connected with spring of inner diapire in activity groove, the other end of spring and relevant position's baffle lower extreme fixed connection, every the inside of baffle all is provided with a set of gas passing holes that equals with the louvre size, every the top of baffle all is connected with the haulage rope, every the other end of haulage rope all links to each other through the outside of slip gyro wheel with the lamp shade, every group the lower extreme of slip gyro wheel all with the outside fixed connection of bottom plate.
Preferably, adjacent two be equipped with the leaded light arris between the lamp shade, the leaded light arris is made by elastic material, and the leaded light arris highly along keeping away from to the bellied direction of backlight center the bottom plate reduces gradually, and leaded light arris (34) inboard surface is equipped with one deck reflection of light coating.
Preferably, the base comprises a first movable joint seat, the top end of the first movable joint seat is rotatably connected with a first movable joint, the outside of the top end of the first movable joint seat is fixedly connected with a second movable joint seat, the top end of the second movable joint seat is rotatably connected with a second movable joint, the outside of the top end of the second movable joint is fixedly connected with a fixed square piece, the outside of the top end of the fixed square piece is rotatably connected with a first hollow connecting square rod, the other end of the first hollow connecting square rod is rotatably connected with a triangular piece, the outside of the lower end of the fixed square piece is rotatably connected with a second hollow connecting square rod, a hydraulic rod is rotatably connected in an inner through hole of the second hollow connecting square rod, the inner side of the triangular piece is rotatably connected with a U-shaped movable block, a connecting block is rotatably connected between the inner sides of the U-shaped movable blocks, and the outer side end of the connecting block is fixedly connected with a fixed block, the fixed block is fixedly connected with the bottom plate.
Preferably, the output end of the hydraulic rod is rotatably connected to the lower end of the first hollow connecting square rod, the bottom end of the hydraulic rod is rotatably connected to the inside of the second hollow connecting square rod, and the right side end of the second hollow connecting square rod is rotatably connected to the lower end of the triangular plate.
Preferably, a moving groove is formed in the outer portion of the triangular plate, a locking handle is arranged in the moving groove, the inner side end of the locking handle is in contact with the outer portion of the U-shaped movable block, and the locking handle is used for locking the U-shaped movable block and the triangular plate to be connected.
Preferably, the below of U type movable block is provided with the goat's horn screw, the goat's horn screw is used for the connection of locking connection piece and U type movable block, the one end and the bottom plate fixed connection of gag lever post, the other end and the stopper fixed connection of gag lever post.
Preferably, the outside of lamp shade is provided with a plurality of guiding gutters, the other end and the relevant position lamp shade outside end of telescopic link rotate to be connected, four pulleys are installed to the lower extreme of first festival seat, the inside four corners of first festival seat all is provided with the fixed orifices.
Preferably, the use method of the backlight source capable of quickly adjusting the light condensation performance comprises the following steps:
promote this equipment and remove to the assigned position, then through rotating first movable joint, the second movable joint seat, press first cavity connection square pole or lift second cavity connection square pole, the service position that connecting block and U type movable block adjusted the light source rotates, switch on makes the backlight function after that, switch on and the function of starter motor, thereby the function of motor drives output end fixed connection's threaded rod and rotates, thereby the rotation of threaded rod drives outside threaded connection and carries out reciprocating motion at the thread bush dish, simultaneously under the effect of gag lever post, the thread bush dish is the reciprocating motion of horizontal direction on the threaded rod, thereby the thread bush dish is removing the in-process and drives outside telescopic link of rotating the connection and stretch out and draw back, thereby the flexible lamp shade that can drive end portion rotation connection in step launches or gathers together.
The invention provides a backlight source capable of quickly adjusting the light condensation property. The method has the following beneficial effects:
1. the invention starts the motor to operate, the operation of the motor drives the threaded sleeve disc to reciprocate on the threaded rod, and simultaneously, under the action of the limiting rod, the reciprocating movement of the threaded sleeve disc on the threaded rod in the horizontal direction is effectively ensured, the threaded sleeve disc drives the external rotatably connected telescopic rod to stretch in the moving process, the telescopic rod can synchronously drive the lamp shade rotatably connected with the end part to synchronously expand or gather, and the change of the illumination angle of the backlight is driven by the expansion or the gathering of the lamp shade, so that the operation of adjusting the light source focus point of the backlight is completed, the light source focus point of the backlight can be simply and quickly adjusted by the mode, and the use is convenient.
2. When the lampshade gathers, the lampshade can drive the correspondingly connected partition plates to slide upwards in the corresponding movable grooves through the traction ropes, the partition plates can drive the internal air passing holes to synchronously slide upwards and be communicated with the heat dissipation holes at the corresponding positions in the sliding process of the partition plates in the corresponding movable grooves, and the gathered lampshade has a good heat dissipation effect through the mutual communication of the heat dissipation holes and the air passing holes, so that the problems that the space of the gathered lampshade is small, the heat dissipation performance is deteriorated and the service life of a backlight lamp is influenced are avoided.
3. The light guide ribs are arranged between two adjacent lamp shades, wherein the light guide ribs are made of elastic materials. Connect two adjacent lamp shades through leaded light rib elastic deformation ground, improve lamp shade overall structure stability, leaded light rib reduces gradually and coats one deck reflection of light coating in the inboard face to the bellied direction of highly following the direction of keeping away from the bottom plate in backlight center, can avoid the gap light leak between the adjacent lamp shade, can lead light-emitting direction as far as simultaneously, improves the light-emitting efficiency and the light-emitting homogeneity of backlight.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the back structure of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is a schematic view of a triangular plate structure according to the present invention;
FIG. 5 is a schematic view of the extended structure of the lampshade of the present invention;
FIG. 6 is a schematic view of the motor structure of the present invention;
FIG. 7 is an enlarged view at B in FIG. 2;
fig. 8 is a schematic cross-sectional view of the bottom plate of the present invention.
Wherein, 1, a first movable joint seat; 2. a first joint; 3. a pulley; 4. a second knuckle mount; 5. fixing the four-side sheet; 6. a first hollow connecting square rod; 7. the second hollow connecting square rod; 8. a hydraulic lever; 9. triangular plates; 10. a moving groove; 11. locking the grip; 12. a U-shaped movable block; 13. connecting blocks; 14. a fixed block; 15. a base plate; 16. a lamp shade; 17. a diversion trench; 18. a backlight; 19. a motor; 20. a threaded rod; 21. a threaded bushing plate; 22. a limiting block; 23. a limiting rod; 24. a telescopic rod; 25. a second joint; 26. a claw screw; 27. heat dissipation holes; 28. a movable groove; 29. a spring; 30. a partition plate; 31. air passing holes; 32. a hauling rope; 33. a sliding roller; 34. light guide ribs.
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.
Example (b):
as shown in fig. 1-8, an embodiment of the present invention provides a backlight source capable of rapidly adjusting light-gathering property, which includes a base and a backlight source located on the base, one end of the base is fixedly connected to a bottom plate 15 of the backlight source, the exterior of the bottom plate 15 is rotatably connected to a plurality of uniformly distributed lamp shades 16, the inner side end of any lamp shade 16 is provided with a plurality of uniformly distributed backlight lamps 18, the inner side groove of the bottom plate 15 is provided with a motor 19, the output end of the motor 19 is fixedly connected with a threaded rod 20, the exterior of the threaded rod 20 is connected with a threaded sleeve disc 21, the exterior of the threaded rod 20 is fixedly connected with a limiting block 22, through holes at two sides of the threaded sleeve disc 21 are slidably connected with limiting rods 23, the exterior of the threaded sleeve disc 21 is rotatably connected with telescopic rods 24 corresponding to the number of the lamp shades 16, the interior of the bottom plate 15 is provided with a plurality of heat dissipation holes 27 corresponding to the number and position of the lamp shades 16, the inner part of the bottom plate 15 is provided with a plurality of movable grooves 28 which correspond to the heat dissipation holes 27 in number and position, the inner part of each movable groove 28 is connected with a partition plate 30 in a sliding manner, the inner bottom wall of each movable groove 28 is fixedly connected with a spring 29, the other end of the spring 29 is fixedly connected with the lower end of the partition plate 30 at the corresponding position, the inner part of each partition plate 30 is provided with a group of air passing holes 31 which are equal to the heat dissipation holes 27 in size, the top end of each partition plate 30 is connected with a traction rope 32, the other end of each traction rope 32 is connected with the outer part of the lampshade 16 through a sliding roller 33, the lower end of each group of sliding rollers 33 is fixedly connected with the outer part of the bottom plate 15, when the lampshade 16 is gathered together, the correspondingly connected partition plates 30 can be driven by the traction ropes 32 to slide upwards in the corresponding movable grooves 28, the partition plates 30 can drive the inner air passing holes 31 to slide upwards synchronously and communicate with the heat dissipation holes 27 at the corresponding positions in a sliding process in the corresponding movable grooves 28, the heat dissipation holes 27 and the air holes 31 are communicated with each other, so that the gathered lampshade 16 has a good heat dissipation effect, and the phenomenon that the service life of the backlight 18 is influenced due to the small space and the deteriorated heat dissipation performance of the gathered lampshade 16 is avoided.
Be equipped with light guide rib 34 between two adjacent lamp shades 16, light guide rib 34 is made by elastic material, and the inboard surface of light guide rib 34 is equipped with one deck reflection of light coating, and the inboard surface here refers to a side surface that is close to the backlight center, and light guide rib 34 reduces gradually along the direction of keeping away from bottom plate 15 to the bellied height in backlight center. Because the clearance of adjacent lamp shade 16 when expanding is crescent along the direction of keeping away from bottom plate 15, light guide rib 34 is less than the protruding height of the near-end of being close to bottom plate 15 at the protruding height of the distal end of keeping away from bottom plate 15, protruding height hangs down the thickness that means this perpendicular to elastic deformation's direction is little, adaptation lamp shade that like this can be better gathers together and the needs of the elastic deformation when opening, avoid influencing the range size that the lamp shade was opened because of light guide rib 34's existence, light guide rib 34 protruding height's change combines the surface reflection of light coating to reflect light to the light-emitting direction simultaneously, the light-emitting efficiency of light source is improved. In particular, the backlight 18 of the present invention is installed on the inner surface of the lamp housing 16, so that a large portion of light emitted from the backlight 18 is not directed toward the light-emitting direction of the backlight, which makes the light-emitting efficiency not high, and the arrangement of the light-guiding ribs can well compensate for the defect, and the light-guiding ribs can connect a plurality of independent lamp housings into a whole, which can improve the stability of the whole lamp housing, and in addition, the light-emitting can be more uniform due to the reflection of the light-guiding ribs on the light, so that even if the backlight 18 of a certain lamp housing fails, the light emitted from the backlight will not have uneven dark portions.
The base comprises a first movable joint seat 1, the top end of the first movable joint seat 1 is rotatably connected with a first movable joint 2, the outside of the top end of the first movable joint 2 is fixedly connected with a second movable joint seat 4, the top end of the second movable joint seat 4 is rotatably connected with a second movable joint 25, the outside of the top end of the second movable joint 25 is fixedly connected with a fixed square-edged plate 5, the outside of the top end of the fixed square-edged plate 5 is rotatably connected with a first hollow connecting square rod 6, the other end of the first hollow connecting square rod 6 is rotatably connected with a triangular plate 9, the outside of the lower end of the fixed square-edged plate 5 is rotatably connected with a second hollow connecting square rod 7, the inner through hole of the second hollow connecting square rod 7 is rotatably connected with a hydraulic rod 8, the inner side of the triangular plate 9 is rotatably connected with a U-shaped movable block 12, a connecting block 13 is rotatably connected between the inner sides of the U-shaped movable block 12, the outer side end of the connecting block 13 is fixedly connected with a fixed block 14, and the fixed block 14 is fixedly connected with a bottom plate 15, the light source position of the backlight source is adjusted by rotating the first movable joint 2 and the second movable joint seat 4, pressing the first hollow connecting square rod 6 or lifting the second hollow connecting square rod 7, the rotating connecting block 13 and the U-shaped movable block 12, so that the backlight source has strong use flexibility, can be used in various occasions, and has wide application range.
The output of hydraulic stem 8 rotates the lower extreme of connecting at first cavity connection square pole 6, the inside of connecting at second cavity connection square pole 7 is rotated to the bottom of hydraulic stem 8, the right side end of second cavity connection square pole 7 rotates with the lower extreme of three corner pieces 9 to be connected, thereby can guarantee to connect square pole 7 or press first cavity connection square pole 6 to realize the wide-angle regulation to the backlight under the effect of hydraulic stem 8 through lifting second cavity, the right side end of second cavity connection square pole 7 rotates with the lower extreme of three corner pieces 9 to be connected, thereby can guarantee the normal rotation of second cavity connection square pole 7.
The outside of three square pieces 9 is provided with shifting chute 10, and the inside of shifting chute 10 is provided with locking handle 11, and the medial extremity of locking handle 11 contacts with the outside of U type movable block 12, and locking handle 11 is used for locking U type movable block 12 and is connected with three square pieces 9, through the connection of locking handle 11 locking U type movable block 12 and three square pieces 9, can promote the steadiness of U type movable block 12 in three square pieces 9 inboard.
The below of U type movable block 12 is provided with goat's horn screw 26, goat's horn screw 26 is used for locking the connection of connecting block 13 and U type movable block 12, the one end and the bottom plate 15 fixed connection of gag lever post 23, the other end and the stopper 22 fixed connection of gag lever post 23, can effectively lock fixedly connecting block 13 behind the rotational movement angle through goat's horn screw 26, connecting block 13's stability in use has been guaranteed, can carry on spacingly to the removal of threaded sleeve dish 21 through gag lever post 23, guarantee that threaded sleeve dish 21 can not rotate along with threaded rod 20's rotation synchronization, the stability in use of this backlight has been guaranteed.
The external portion of the lampshade 16 is provided with a plurality of flow guide grooves 17, rainwater can be guided through the flow guide grooves 17, rainwater can be prevented from accumulating on the lampshade 16 and permeating into the backlight 18 in rainy days, stable operation of the backlight 18 is guaranteed, the other end of the telescopic rod 24 is rotatably connected with the outer side end of the lampshade 16 at a corresponding position, so that the telescopic rod 24 can be guaranteed to be stretched to synchronously drive the lampshade 16 which is rotatably connected externally to move synchronously, the lampshade 16 is gathered in the rotating process by taking the outer side end of the base 15 as a shaft, the lampshade 16 is gathered, so that the position of a light source focus point is changed, the purpose of adjusting the light gathering property of the backlight source is achieved, the mode is simple and rapid, the operation is stable, the four pulleys 3 are installed at the lower end of the first articulated seat 1, fixing holes are formed in four corners inside the first articulated seat 1, and the use position of the backlight source can be effectively fixed through matching of the fixing piece and the fixing piece or the balancing piece .
A method for using a backlight source with the condensing performance capable of being adjusted rapidly comprises the following steps:
the device is pushed to move to a designated position, then the using position of the light source is adjusted by rotating the first movable joint 2, the second movable joint seat 4, pressing the first hollow connecting square rod 6 or lifting the second hollow connecting square rod 7, rotating the connecting block 13 and the U-shaped movable block 12, then, the backlight 18 is operated by turning on the power supply, the motor 19 is started to operate, the motor 19 operates to drive the threaded rod 20 fixedly connected with the output end to rotate, the threaded rod 20 rotates to drive the external threaded connection to reciprocate on the threaded sleeve disc 21, simultaneously under the effect of gag lever post 23, threaded sleeve dish 21 is the reciprocating motion of horizontal direction on threaded rod 20, thereby threaded sleeve dish 21 moves the outside telescopic link 24 of rotating the connection of in-process drive and stretches out and draws back, thereby telescopic link 24 flexible can drive the lamp shade 16 that the tip rotated the connection in step and expand out or gather together.
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 (8)
1. A backlight capable of quickly adjusting the condensing performance comprises a base and the backlight positioned on the base, and is characterized in that: one end of the base is fixedly connected to a bottom plate (15) of the backlight source, a plurality of uniformly distributed lampshades (16) are rotatably connected to the outer portion of the bottom plate (15), a plurality of uniformly distributed backlight lamps (18) are installed at the inner side end of any one of the lampshades (16), a motor (19) is installed in a groove in the inner side of the bottom plate (15), a threaded rod (20) is fixedly connected to the output end of the motor (19), a threaded sleeve disc (21) is connected to the outer portion of the threaded rod (20) in a threaded manner, a limiting block (22) is fixedly connected to the outer side end of the threaded rod (20), limiting rods (23) are slidably connected in through holes in two sides of the threaded sleeve disc (21), telescopic rods (24) corresponding to the lampshades (16) in number are rotatably connected to the outer portion of the threaded sleeve disc (21), a plurality of radiating holes (27) corresponding to the lampshades (16) in number and position are arranged in the bottom plate (15), bottom plate (15) inside be provided with a plurality of movable groove (28) that equal and position of louvre (27) quantity corresponds, every the equal sliding connection in inside of movable groove (28) has baffle (30), every the equal fixedly connected with spring (29) of inner diapire of movable groove (28), the other end of spring (29) and relevant position's baffle (30) lower extreme fixed connection, every the inside of baffle (30) all is provided with a set of air passing hole (31) that equals with louvre (27) size, every the top of baffle (30) all is connected with haulage rope (32), every the other end of haulage rope (32) all links to each other through the outside of sliding roller (33) with lamp shade (16), every group the lower extreme of sliding roller (33) all with the outside fixed connection of bottom plate (15).
2. The backlight of claim 1, wherein: adjacent two be equipped with light guide rib (34) between lamp shade (16), light guide rib (34) are made by elastic material, and light guide rib (34) are kept away from to the bellied height in backlight center the direction of bottom plate (15) reduces gradually, and light guide rib (34) inboard surface is equipped with one deck reflection of light coating.
3. The backlight of claim 1, wherein the backlight comprises: the base comprises a first movable joint seat (1), a first movable joint (2) is rotatably connected to the top end of the first movable joint seat (1), a second movable joint seat (4) is fixedly connected to the outer portion of the top end of the first movable joint (2), a second movable joint (25) is rotatably connected to the top end of the second movable joint seat (4), a fixed four-side piece (5) is fixedly connected to the outer portion of the top end of the second movable joint (25), a first hollow connecting square rod (6) is rotatably connected to the outer portion of the top end of the fixed four-side piece (5), a triangular piece (9) is rotatably connected to the other end of the first hollow connecting square rod (6), a second hollow connecting square rod (7) is rotatably connected to the outer portion of the lower end of the fixed four-side piece (5), a hydraulic rod (8) is rotatably connected to the inner through hole of the second hollow connecting square rod (7), and a U-shaped movable block (12) is rotatably connected to the inner side of the triangular piece (9), the U-shaped movable block is characterized in that a connecting block (13) is rotatably connected between the inner sides of the U-shaped movable blocks (12), a fixing block (14) is fixedly connected to the outer side end of the connecting block (13), and the fixing block (14) is fixedly connected with the bottom plate (15).
4. A backlight for rapidly adjusting the concentration of light as recited in claim 3, wherein: the output of hydraulic stem (8) rotates the lower extreme of connecting in first cavity connection square bar (6), the bottom of hydraulic stem (8) rotates the inside of connecting in second cavity connection square bar (7), the right side end of second cavity connection square bar (7) rotates with the lower extreme of three square sheets (9) to be connected.
5. A backlight for rapidly adjusting the concentration of light as recited in claim 3, wherein: the outside of triangle piece (9) is provided with shifting chute (10), the inside of shifting chute (10) is provided with locking handle (11), the medial extremity of locking handle (11) contacts with the outside of U type movable block (12), locking handle (11) are used for locking U type movable block (12) and triangle piece (9) and are connected.
6. A backlight for rapidly adjusting the concentration of light as recited in claim 3, wherein: the utility model discloses a lock catch, including U type movable block (12), the below of U type movable block (12) is provided with goat's horn screw (26), goat's horn screw (26) are used for the connection of lock connection piece (13) and U type movable block (12), the one end and bottom plate (15) fixed connection of gag lever post (23), the other end and stopper (22) fixed connection of gag lever post (23).
7. A backlight for rapidly adjusting the concentration of light as recited in claim 3, wherein: the outside of lamp shade (16) is provided with a plurality of guiding gutters (17), the other end and the relevant position lamp shade (16) outside end of telescopic link (24) rotate to be connected, four pulleys (3) are installed to the lower extreme of first festival seat (1), the inside four corners of first festival seat (1) all is provided with the fixed orifices.
8. The use method of the backlight source capable of rapidly adjusting the condensing property according to any one of claims 1 to 7, wherein: the method comprises the following steps:
the equipment is pushed to move to a specified position, then the using position of a light source is adjusted by rotating a first movable joint (2) and a second movable joint seat (4), pressing a first hollow connecting square rod (6) or lifting a second hollow connecting square rod (7), rotating a connecting block (13) and a U-shaped movable block (12), then a backlight lamp (18) is switched on to operate, a power supply is switched on and a motor (19) is started to operate, the motor (19) operates to drive a threaded rod (20) fixedly connected with an output end to rotate, the threaded rod (20) rotates to drive an external threaded connection to reciprocate on a threaded sleeve disc (21), and simultaneously under the action of a limiting rod (23), the threaded sleeve disc (21) horizontally reciprocates on the threaded rod (20), and the threaded sleeve disc (21) drives an external rotatably connected telescopic rod (24) to stretch in the moving process, the telescopic rod (24) can be stretched to synchronously drive the lamp shade (16) with the end part connected in a rotating way to synchronously unfold or gather.
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CN101943358A (en) * | 2010-08-20 | 2011-01-12 | 珠海市集利发展有限公司 | LED focus lamp continuously adjustable at large-scale angle |
CN202660365U (en) * | 2012-07-04 | 2013-01-09 | 浙江豪庭灯饰有限公司 | LED (light emitting diode) crank arm table lamp |
CN208457705U (en) * | 2018-07-12 | 2019-02-01 | 佛山市田昌灯饰有限公司 | A kind of adjustable bed head lamp of intelligent residence |
CN208566348U (en) * | 2018-07-27 | 2019-03-01 | 广州市波电电子科技有限公司 | A kind of 500W integrated LED light source mould group |
CN113531496A (en) * | 2021-06-22 | 2021-10-22 | 广州坤开机电设备有限公司 | Lamp capable of emitting light and controlling convergence |
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2022
- 2022-02-23 CN CN202210167534.8A patent/CN114484318B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101943358A (en) * | 2010-08-20 | 2011-01-12 | 珠海市集利发展有限公司 | LED focus lamp continuously adjustable at large-scale angle |
CN202660365U (en) * | 2012-07-04 | 2013-01-09 | 浙江豪庭灯饰有限公司 | LED (light emitting diode) crank arm table lamp |
CN208457705U (en) * | 2018-07-12 | 2019-02-01 | 佛山市田昌灯饰有限公司 | A kind of adjustable bed head lamp of intelligent residence |
CN208566348U (en) * | 2018-07-27 | 2019-03-01 | 广州市波电电子科技有限公司 | A kind of 500W integrated LED light source mould group |
CN113531496A (en) * | 2021-06-22 | 2021-10-22 | 广州坤开机电设备有限公司 | Lamp capable of emitting light and controlling convergence |
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