CN114822296A - High efficiency pastes dress fan screen - Google Patents

Abstract

The invention discloses a high-efficiency surface-mounted fan screen which comprises a shell, wherein a plurality of equidistant parallel fan blade parts are arranged in the shell, a connecting rod is fixedly arranged at the center of the rear side surface of each fan blade part, and one end of the connecting rod penetrates through the rear side surface of the shell. When the outer frames are far away from the U-shaped frame, the outer ends of the two rotating plates are extruded by the two outer frames through the connecting frame, the outer frames drive the connecting rods to slide in the sliding grooves, the distance between the two outer frames is reduced, the elastic force of the springs rebounds, the inner frames are pushed to be far away from the vertical plane where the two outer frames are located gradually through the elastic force of the springs, when the elastic force of the springs disappears and the inner frames are not in contact with the front side wall inside the shell, the distance between the two outer frames is the minimum at the moment, the dislocation effect among the three fan blade portions is the best, collision damage generated in the process that the three fan blade portions rotate inside the shell is further avoided, and the installation efficiency of the whole fan screen is improved through the adjusting device.

Description

High efficiency pastes dress fan screen

Technical Field

The invention belongs to the technical field of fan screens, and particularly relates to a high-efficiency surface-mounted fan screen.

Background

It is known that human three-dimensional vision of objects is generated by binocular parallax, and all optical devices or structures which can generate binocular parallax can generate three-dimensional vision. The holographic fan screen drives the LED light bar to rotate through the motor, and 3D pictures or videos are displayed through LEDs on the LED light bar. Therefore, the holographic fan screen can be applied to various fields.

When a large-size picture needs to be displayed, a plurality of LED light bars need to be spliced, and in order to ensure that the LED light bars do not interfere with each other when rotating, the LED light bars need to be arranged in a staggered mode from front to back, the positions of the LED light bars need to be calculated in the whole installation process, tight calculation is needed, and in addition, the LED light bars need to be fixed when being installed, and the installation efficiency of the whole LED light bars is further reduced.

Therefore, it is necessary to provide a high efficiency fan panel to solve the above problems.

Disclosure of Invention

In view of the above problems, the present invention provides a high efficiency surface mount fan panel to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency surface-mounted fan screen comprises a shell, wherein a plurality of fan blade parts which are arranged in parallel at equal intervals are arranged in the shell, a connecting rod is fixedly arranged at the center of the rear side face of each fan blade part, one end of each connecting rod penetrates through the rear side face of the shell, the end part of each connecting rod is connected with the output end of a motor, a horizontal placing plate is connected to the rear side face of the shell, and the motor is placed on the top face of the placing plate;

the shell both ends all are provided with U type frame, and two corresponding tops of U type frame and bottom all are provided with the restriction cover, two U type frame tip surface all is provided with a groove, and the kelly of restricting set tip and a groove sliding fit, and two are prescribed a limit to the cover and are in shell top and bottom respectively, two U type frame center department all utilizes the screw rod respectively with adjusting device both ends tip threaded connection, and the screw rod runs through U type frame center department, two nuts have been cup jointed to screw rod surface spiral, and two nuts are in U type frame both sides respectively.

Further, the both ends of shell all are provided with the recess that corresponds the matching with two U type framves, shell top surface center department and bottom center department all are provided with the draw runner, and just two U type framves all utilize to inject the cover respectively with two draw runner sliding fit, and draw runner center department spiral runs through and is provided with clamping screw, clamping screw tip corresponds the laminating with the draw runner surface, and two limit set all utilize the recess sliding fit at two U type framves and shell both ends.

Further, the adjusting device comprises two outer frames and an inner frame, the inner frame is positioned between the two outer frames, the inner frame and the outer frame are rotatably sleeved on the surface of the connecting rod, the inner sides of the outer frame and the inner frame are rotatably sleeved with supports, and the supports are fixedly connected with the rear side faces of the fan blade parts;

the inner side end of the screw is spirally connected with the outer side part of the outer frame, and the U-shaped frame is correspondingly connected with the outer frame by utilizing the nut and the screw.

Further, the inner frame both sides and two outrigger inside parts all are provided with the link, utilize the commentaries on classics board to be connected between inner frame and the outrigger, the commentaries on classics board both ends rotate with the link of inner frame and outrigger respectively and are connected, the inner frame trailing flank passes through spring and the inside back lateral wall fixed connection of shell, and the spring ring cover is on the connecting rod surface.

Further, interior frame and outrigger are misplaced each other, and the flabellum portion that interior frame and outrigger are connected also is not in same vertical plane, two the commentaries on classics board is in interior frame both sides respectively, and forms the contained angle between two commentaries on classics boards, the distance between interior frame and the shell leading flank is less than the distance between outrigger and the shell leading flank.

Furthermore, limiting plates are fixedly connected to the bottoms of the two outer frames, limiting rods are sleeved on the two limiting plates through the through grooves in a sliding mode, limiting strips are fixedly connected to the bottoms of the two ends of each limiting rod, and the limiting rods are in sliding fit with the through grooves of the limiting plates through the limiting strips;

the center department of gag lever post is provided with U type portion, the central line of U type portion corresponds parallelly with the central line of inner tower.

Further, the inner frame bottom fixedly connected with branch, the length of branch is less than the height of U type portion, the branch surface is rotated and is cup jointed and is changeed the cover, change the cover surface and cup jointed apical ring and bottom ring respectively, the first commentaries on classics board of apical ring fixedly connected with, bottom ring fixedly connected with second commentaries on classics board, and the lateral surface of first commentaries on classics board and second commentaries on classics board corresponds the matching with the both ends circumference side of U type portion respectively.

Furthermore, first commentaries on classics board and second change board rear side medial surface and all are provided with corresponding sand grip, and the sand grip of first commentaries on classics board corresponds the contact with the sand grip of second commentaries on classics board, and first commentaries on classics board and second are connected with the flexure strip between the front side end of commentaries on classics board, and flexure strip and sand grip are in both sides around branch respectively.

Furthermore, the center of the rear side face of the shell is provided with a horizontal sliding groove, the connecting rod penetrates through the sliding groove, and the outer frame is in sliding fit with the sliding groove through the connecting rod.

The invention has the technical effects and advantages that:

1. when the outer frames are far away from the U-shaped frame, the outer ends of the two rotating plates are extruded by the two outer frames through the connecting frame, the outer frames drive the connecting rods to slide in the sliding grooves, the distance between the two outer frames is reduced, the elastic force of the springs rebounds, the inner frames are pushed to be far away from a vertical plane where the two outer frames are located gradually through the elastic force of the springs, when the elastic force of the springs disappears and the inner frames are not in contact with the front side wall inside the shell, the distance between the two outer frames is the minimum at the moment, the dislocation effect among the three fan blade parts is the best, and collision damage generated in the process that the three fan blade parts rotate inside the shell is avoided.

2. When the outer frame is close to the U-shaped frame, the outer ends of the two rotating plates are pulled by the two outer frames through the connecting frame, the outer frames drive the connecting rods to slide in the sliding grooves, the distance between the two outer frames is increased, the rotating plates rotate in the shell, the outer frames enable the inner frames to extrude the springs through the rotating plates, the inner frames drive the supporting rods to move synchronously, the supporting rods drive the top ring and the bottom ring to move through the rotating sleeves, when the U-shaped portions extrude the front side portions of the first rotating plate and the second rotating plate, the first rotating plate and the second rotating plate are matched to extrude the elastic sheet until the center line of the inner frame and the center lines of the two outer frames are positioned on the same vertical plane, the three leaf portions are also positioned on the same vertical plane, the elastic force of the springs is larger than that of the elastic sheet, the U-shaped frame corresponding to the outer frame can be limited with the groove conveniently, and the distance between the two outer frames is the largest at the moment, the pattern that whole fan screen can show is also the biggest, thereby can adjust the relative distance between the three flabellum portions according to the size of pattern.

3. According to the invention, the U-shaped frame is pushed to move, the U-shaped frame gradually approaches to the rear side part of the groove, the two outer frames synchronously move to drive the inner frame by utilizing the rotating plate, the inner frame extrudes the spring in the moving process, the dislocation effect of the inner frame and the outer frame is ensured by utilizing the elasticity of the spring, the inner frame pulls the outer frame by utilizing the rotating plate due to the elasticity of the spring, the outer frame pulls the U-shaped frame by utilizing the screw rod and the screw cap, the side surface of the U-shaped frame is tightly attached to the side surface of the groove, and the stability of the outer frame in the shell is further improved.

4. According to the invention, when the outer frame corresponds to the center of the U-shaped frame, the screw rod penetrates through the center of the U-shaped frame, the screw cap is spirally sleeved on the surface of the screw rod by using the inner side end of the screw rod, the inner side end of the screw rod is in threaded connection with the side edge of the outer frame, the other screw cap is spirally sleeved by using the outer side end of the screw rod, the two screw caps are correspondingly attached to the two sides of the U-shaped frame respectively, the circumferential side surface of the outer frame is limited by using the relative matching of the two screw caps and the screw rod, the stability of the motor in the vertical direction and the left-right horizontal direction of the top surface of the placing plate is ensured by using the connecting rod, the motor is prevented from swinging arbitrarily at the top of the placing plate, the chute can limit the rear side surface of the outer frame by using the connecting rod, the stability of the outer frame in the shell is further ensured, and the stability of the rotation of the fan blade parts corresponding to the outer frame in the shell is ensured.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic view showing an overall three-dimensional structure of a high-efficiency surface-mount fan panel according to an embodiment of the invention;

FIG. 2 is a schematic diagram of an overall three-dimensional structure of a high-efficiency surface-mount fan panel according to an embodiment of the invention;

FIG. 3 illustrates a front cross-sectional view of a high efficiency surface mount fan screen in accordance with an embodiment of the present invention;

FIG. 4 illustrates a rear sectional view of a high efficiency surface mount fan screen in accordance with an embodiment of the present invention;

FIG. 5 shows an enlarged view of the portion A of FIG. 4 in accordance with an embodiment of the present invention;

in the figure: 1. a housing; 2. a fan blade portion; 3. a connecting rod; 4. a motor; 5. placing a plate; 6. a U-shaped frame; 7. a limiting sleeve; 8. a strip groove; 9. a clamping rod; 10. a screw; 11. a nut; 12. a groove; 13. a slide bar; 14. fixing the screw rod; 15. an outer frame; 16. an inner frame; 17. a support; 18. a connecting frame; 19. rotating the plate; 20. a spring; 21. a limiting plate; 22. a limiting rod; 23. a limiting strip; 24. a strut; 25. rotating the sleeve; 26. a top ring; 27. a bottom ring; 28. a first rotating plate; 29. a second rotating plate; 30. an elastic sheet; 31. a chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

The invention provides a high-efficiency surface-mounted fan screen, which comprises a shell 1, wherein a plurality of fan blade parts 2 which are arranged in parallel at equal intervals are arranged in the shell 1, a connecting rod 3 is fixedly arranged at the center of the rear side face of each fan blade part 2, one end of each connecting rod 3 penetrates through the rear side face of the shell 1, the end part of each connecting rod 3 is connected with the output end of a motor 4, the rear side face of the shell 1 is connected with a horizontal placing plate 5, and the motors 4 are placed on the top faces of the placing plates 5; wherein the housing 1 is made of a transparent material. 1 both ends of shell all are provided with U type frame 6, and two corresponding tops of U type frame 6 and bottom all are provided with spacing cover 7, two 6 end surface of U type frame all is provided with a groove 8, and the kelly 9 and the 8 sliding fit in groove of the card of 7 tip of spacing cover, and two spacing covers 7 are in 1 top of shell and bottom respectively, two 6 central departments of U type frame all utilize screw rod 10 respectively with adjusting device both ends tip threaded connection, and screw rod 10 runs through 6 central departments of U type frame, screw rod 10 surperficial spiral shell has connect two nuts 11, and two nuts 11 are in 6 both sides of U type frame respectively. By utilizing the relative matching of the two screw caps 11 and the screw rods 10, the relative distance between the two outer frames 15 and the two U-shaped frames 6 can be limited, the length of a pattern formed by rotating the fan blade part 2 can be conveniently adjusted, so that the relative distance between the inner frame 16 and the outer frame 15 can be adjusted, and the dislocation effect of the inner frame 16 and the outer frame 15 can also be adjusted according to the relative distance between the inner frame 16 and the outer frame 15.

In fig. 1, 3 and 4, the both ends of shell 1 all are provided with the recess 12 that corresponds the matching with two U type framves 6, shell 1 top surface center department and bottom center department all are provided with draw runner 13, and two U type framves 6 all utilize the restriction cover 7 respectively with two draw runners 13 sliding fit, and draw runner 13 center department spiral runs through and is provided with clamping screw 14, 14 tip of clamping screw correspond the laminating with draw runner 13 surface, and two restriction covers 7 all utilize the recess 12 sliding fit at two U type framves 6 and shell 1 both ends. Promote two U type framves 6 and be close to each other, two U type framves 6 all utilize a groove 8 to slide on the kelly 9 surface of injecing cover 7 this moment, correspond the laminating with the side of two recesses 12 respectively until the outside end of two U type framves 6, twist fixing screw 14 this moment, fixing screw 14 and the spiral effect of injecing cover 7 and then make fixing screw 14 tip and draw runner 13 surface closely laminate, utilize fixing screw 14 and draw runner 13's cooperation and then injecing the top of injecing cover 7, thereby guarantee the stability of U type frame 6 top and bottom.

In fig. 3 and 4, the adjusting device includes two outer frames 15 and an inner frame 16, the inner frame 16 is located between the two outer frames 15, the inner frame 16 and the outer frame 15 are both rotatably sleeved on the surface of the connecting rod 3, the inner sides of the outer frame 15 and the inner frame 16 are both rotatably sleeved with a bracket 17, and the bracket 17 is fixedly connected with the rear side of the vane portion 2; the inner end of the screw 10 is spirally connected with the outer side of the outer frame 15, and the U-shaped frame 6 is correspondingly connected with the outer frame 15 by the nut 11 and the screw 10. When motor 4 utilized connecting rod 3 to drive flabellum portion 2 and rotate, flabellum portion 2 utilized support 17 to rotate at inner tower 16 and outer frame 15 inboard, utilized inner tower 16 and outer frame 15 and support 17's cooperation, can inject the position of flabellum portion 2 in shell 1 inside, conveniently adjusts the dislocation effect between two adjacent flabellum portions 2.

In fig. 3 and 4, the two sides of the inner frame 16 and the inner sides of the two outer frames 15 are provided with connecting frames 18, the inner frame 16 is connected with the outer frames 15 through rotating plates 19, the two ends of each rotating plate 19 are respectively connected with the connecting frames 18 of the inner frame 16 and the outer frames 15 in a rotating manner, the rear side surface of the inner frame 16 is fixedly connected with the inner rear side wall of the shell 1 through springs 20, and the springs 20 are sleeved on the surface of the connecting rod 3. Inner tower 16 and outrigger 15 dislocation each other, and the flabellum portion 2 that inner tower 16 and outrigger 15 are connected is also not in same vertical plane, two change board 19 and be in inner tower 16 both sides respectively, and form the contained angle between two change boards 19, the distance between inner tower 16 and the shell 1 leading flank is less than the distance between outrigger 15 and the shell 1 leading flank. After the position of the outer frame 15 is limited, the inner frame 16 is limited by the rotating plates 19 connected by the connecting frames 18 of the two outer frames 15 at the moment, the U-shaped frame 6 is pushed to move, the U-shaped frame 6 is gradually close to the rear side part of the groove 12 at the moment, the inner frame 16 is driven to synchronously move by the rotating plates 19 of the two outer frames 15 at the moment, the inner frame 16 extrudes the spring 20 in the moving process, the dislocation effect of the inner frame 16 and the outer frame 15 is ensured by the aid of the elastic force of the spring 20, the inner frame 16 is pulled by the rotating plates 19 of the spring 20, the U-shaped frame 6 is pulled by the outer frame 15 through the screw 10 and the screw cap 11 at the moment, the side surface of the U-shaped frame 6 is tightly attached to the side edge of the groove 12, and stability of the outer frame 15 in the shell 1 is further improved.

In fig. 4 and 5, the bottom of each of the two outer frames 15 is fixedly connected with a limiting plate 21, each of the two limiting plates 21 is slidably sleeved with a limiting rod 22 by using a through groove, the bottom of each of two ends of the limiting rod 22 is fixedly connected with a limiting strip 23, and the limiting rod 22 is slidably matched with the through groove of the limiting plate 21 by using the limiting strip 23; the center of the limiting rod 22 is provided with a U-shaped part, and the center line of the U-shaped part is parallel to the center line of the inner frame 16 correspondingly. When U type frame 6 was kept away from to outrigger 15, two outriggers 15 all utilize link 18 to extrude the outside end of two commentaries on classics boards 19 this moment, outrigger 15 drives connecting rod 3 and slides inside spout 31, distance between two outriggers 15 reduces, spring 20's elasticity kick-backs, utilize spring 20's elasticity and then promote inner tower 16 and keep away from the vertical plane at two outrigger 15 places gradually, elasticity when spring 20 disappears, and inner tower 16 does not contact with the inside preceding lateral wall of shell 1, the distance between two outriggers 15 this moment is minimum, and the dislocation effect between three leaf portion 2 is the best, and then avoid three leaf portion 2 to produce collision damage in the inside pivoted in-process of shell 1.

When the outrigger 15 utilizes limiting plate 21 to slide on gag lever post 22 surface, spacing 23 and the sliding fit who leads to the groove this moment can avoid whole gag lever post 22 to rotate at limiting plate 21's logical inslot portion, and first commentaries on classics board 28 and second commentaries on classics board 29 rear end can prescribe a limit to the U type portion, guarantees gag lever post 22 at the inside stability of shell 1.

In fig. 4 and 5, the bottom of the inner frame 16 is fixedly connected with a supporting rod 24, the length of the supporting rod 24 is smaller than the height of the U-shaped portion, the surface of the supporting rod 24 is rotatably sleeved with a rotating sleeve 25, the surface of the rotating sleeve 25 is respectively sleeved with a top ring 26 and a bottom ring 27, the top ring 26 is fixedly connected with a first rotating plate 28, the bottom ring 27 is fixedly connected with a second rotating plate 29, and the outer side surfaces of the first rotating plate 28 and the second rotating plate 29 are respectively matched with the circumferential side surfaces of the two ends of the U-shaped portion correspondingly. The side medial surface all is provided with corresponding sand grip behind first commentaries on classics board 28 and the second commentaries on classics board 29, and the sand grip of first commentaries on classics board 28 and the corresponding contact of sand grip of second commentaries on classics board 29, is connected with flexible piece 30 between first commentaries on classics board 28 and the preceding side of second commentaries on classics board 29, and flexible piece 30 and sand grip are in branch 24 front and back both sides respectively. When the outer frame 15 approaches the U-shaped frame 6, the outer ends of the two rotating plates 19 are pulled by the two outer frames 15 through the connecting frame 18, the outer frame 15 drives the connecting rod 3 to slide inside the sliding groove 31, the distance between the two outer frames 15 is increased, the rotating plates 19 rotate inside the housing 1 at the moment, the outer frame 15 utilizes the rotating plates 19 to enable the inner frame 16 to extrude the springs 20, the inner frame 16 drives the supporting rods 24 to synchronously move, the supporting rods 24 utilize the rotating sleeves 25 to drive the top ring 26 and the bottom ring 27 to move, the top ring 26 enables the first rotating plate 28 to slide on one circumferential surface of the U-shaped part, the bottom ring 27 enables the second rotating plate 29 to slide on the other circumferential surface of the U-shaped part, when the U-shaped part extrudes the front side parts of the first rotating plate 28 and the second rotating plate 29, the first rotating plate 28 and the second rotating plate 29 are matched to extrude the elastic sheet 30 until the central line of the inner frame 16 and the central lines of the two outer frames 15 are on the same vertical plane, at the moment, the three fan blade parts 2 are also positioned on the same vertical plane, the elastic force of the spring 20 is greater than that of the elastic piece 30, the U-shaped frame 6 corresponding to the outer frame 15 can be conveniently limited with the groove 12, the distance between the two outer frames 15 is the largest at the moment, and the pattern which can be displayed by the whole fan screen is also the largest. The rotating speed of the three fan blade parts 2 can be adjusted according to the motor 4, and the collision caused by the simultaneous rotation of the two adjacent fan blade parts 2 is also avoided.

In fig. 2 and 3, a horizontal sliding groove 31 is provided at the center of the rear side of the housing 1, the connecting rod 3 penetrates the sliding groove 31, and the outer frame 15 is slidably fitted to the sliding groove 31 by the connecting rod 3. When connecting rod 3 slides in spout 31 is inside, flabellum portion 2 that connecting rod 3 connected also slides in shell 1 inside this moment, conveniently changes the relative distance between two outriggers 15 to change the length of whole fan screen show pattern.

The working principle of the invention is as follows:

referring to the attached drawings 1-5 of the specification, when the whole fan screen is installed, three fan blade parts 2 are placed into the shell 1 through the opening at the end part of the shell 1, at the moment, the connecting rods 3 of the fan blade parts 2 penetrate through the sliding grooves 31 at the rear side surface of the shell 1, the output ends of the motors 4 are connected with the end parts of the connecting rods 3, and at the moment, the bottom surfaces of the motors 4 are correspondingly attached to the top surface of the placing plate 5.

When the U-shaped frames 6 are pulled, the end parts of the U-shaped frames 6 slide on the surfaces of clamping rods 9 at the end parts of the limiting sleeves 7 by utilizing the strip grooves 8, the distance between the two U-shaped frames 6 is far away from each other in the pulling process, when the distance between the outer side ends of the two U-shaped frames 6 is greater than the length of the shell 1, the limiting sleeves 7 correspond to the sliding strips 13, the two limiting sleeves 7 are respectively in sliding fit with the two sliding strips 13 at the moment, and the U-shaped frames 6 correspond to the grooves 12 at the two ends of the shell 1 at the moment. Promote two U type framves 6 and be close to each other, two U type framves 6 all utilize a groove 8 to slide on the kelly 9 surface of injecing cover 7 this moment, correspond the laminating with the side of two recesses 12 respectively until the outside end of two U type framves 6, twist fixing screw 14 this moment, fixing screw 14 and the spiral effect of injecing cover 7 and then make fixing screw 14 tip and draw runner 13 surface closely laminate, utilize fixing screw 14 and draw runner 13's cooperation and then injecing the top of injecing cover 7, thereby guarantee the stability of U type frame 6 top and bottom.

When the outer frame 15 and the inner frame 16 are limited, after the outer frame 15 and the inner frame 16 are placed in the shell 1, the inner frame 16 is correspondingly contacted with the rear side wall of the inner side of the shell 1 by the spring 20, the inner frame 16 and the outer frame 15 are mutually staggered, when the outer frame 15 is corresponding to the center of the U-shaped frame 6, the screw 10 penetrates through the center of the U-shaped frame 6, the nut 11 is spirally sleeved on the surface of the screw 10 by the inner side end of the screw 10, the inner side end of the screw 10 is in threaded connection with the side edge of the outer frame 15, the other nut 11 is spirally sleeved by the outer side end of the screw 10, the two nuts 11 are correspondingly attached to the two sides of the U-shaped frame 6 respectively, the circumferential side surface of the outer frame 15 is limited by the relative matching of the two nuts 11 and the screw 10, the connecting rod 3 is used for ensuring the stability of the motor 4 in the vertical direction and the horizontal direction of the top surface of the placing plate 5, and avoiding the motor 4 from swaying arbitrarily at the top of the placing plate 5, and the chute 31 can limit the rear side surface of the outer frame 15 by using the connecting rod 3, so that the stability of the outer frame 15 in the shell 1 is ensured, and the stability of the fan blade part 2 corresponding to the outer frame 15 in the rotation in the shell 1 is ensured.

By utilizing the relative matching of the two screw caps 11 and the screw rods 10, the relative distance between the two outer frames 15 and the two U-shaped frames 6 can be limited, the adjustment of the relative distance between the inner frame 16 and the outer frame 15 according to the length of the pattern formed by the rotation of the fan blade part 2 is facilitated, and the dislocation effect of the inner frame 16 and the outer frame 15 can also be adjusted according to the relative distance between the inner frame 16 and the outer frame 15.

After the position of the outer frame 15 is limited, the inner frame 16 is limited by the rotating plates 19 connected by the connecting frames 18 of the two outer frames 15 at the moment, the U-shaped frame 6 is pushed to move, the U-shaped frame 6 is gradually close to the rear side part of the groove 12 at the moment, the inner frame 16 is driven to synchronously move by the rotating plates 19 of the two outer frames 15 at the moment, the inner frame 16 extrudes the spring 20 in the moving process, the dislocation effect of the inner frame 16 and the outer frame 15 is ensured by the aid of the elastic force of the spring 20, the inner frame 16 is pulled by the rotating plates 19 of the spring 20, the U-shaped frame 6 is pulled by the outer frame 15 through the screw 10 and the screw cap 11 at the moment, the side surface of the U-shaped frame 6 is tightly attached to the side edge of the groove 12, and stability of the outer frame 15 in the shell 1 is further improved.

When the distance between the inner frame 16 and the outer frame 15 needs to be changed, the nuts 11 on the surfaces of the screws 10 are rotated, and the screw effect of the two nuts 11 and the screws 10 further enables the screws 10 to move at the center of the U-shaped frame 6, so that the outer frame 15 is conveniently controlled to be close to or far away from the U-shaped frame 6.

When the outer frames 15 approach the U-shaped frame 6, the outer frames 15 both pull the outer ends of the two rotating plates 19 by using the connecting frame 18, the outer frames 15 drive the connecting rods 3 to slide in the sliding grooves 31, the distance between the two outer frames 15 is increased, the rotating plates 19 rotate in the housing 1, the outer frames 15 utilize the rotating plates 19 to enable the inner frames 16 to extrude the springs 20, the inner frames 16 drive the supporting rods 24 to synchronously move, the supporting rods 24 utilize the rotating sleeves 25 to drive the top rings 26 and the bottom rings 27 to move, the top rings 26 enable the first rotating plates 28 to slide on one circumferential surface of the U-shaped part, the bottom rings 27 enable the second rotating plates 29 to slide on the other circumferential surface of the U-shaped part, when the U-shaped part extrudes the front side parts of the first rotating plates 28 and the second rotating plates 29, the first rotating plates 28 and the second rotating plates 29 cooperate to extrude the elastic sheets 30 until the central line of the inner frames 16 and the central lines of the two outer frames 15 are positioned on the same vertical plane, at the moment, the three fan blade parts 2 are also positioned on the same vertical plane, the elastic force of the spring 20 is greater than that of the elastic piece 30, the U-shaped frame 6 corresponding to the outer frame 15 can be conveniently limited with the groove 12, the distance between the two outer frames 15 is the largest at the moment, and the pattern which can be displayed by the whole fan screen is also the largest. The rotating speed of the three fan blade parts 2 can be adjusted according to the motor 4, and the collision caused by the simultaneous rotation of the two adjacent fan blade parts 2 is also avoided.

When U type frame 6 was kept away from to outrigger 15, two outriggers 15 all utilize link 18 to extrude the outside end of two commentaries on classics boards 19 this moment, outrigger 15 drives connecting rod 3 and slides inside spout 31, distance between two outriggers 15 reduces, spring 20's elasticity kick-backs, utilize spring 20's elasticity and then promote inner tower 16 and keep away from the vertical plane at two outrigger 15 places gradually, elasticity when spring 20 disappears, and inner tower 16 does not contact with the inside preceding lateral wall of shell 1, distance between two outriggers 15 this moment is minimum, and the dislocation effect between three leaf portion 2 is the best, and then avoid three leaf portion 2 to produce collision damage in the inside pivoted in-process of shell 1, the installation effectiveness of whole fan screen has been improved through adjusting device.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. The utility model provides a high efficiency pastes dress fan screen, includes shell (1), its characterized in that: a plurality of fan blade parts (2) which are arranged in parallel at equal intervals are arranged in the shell (1), a connecting rod (3) is fixedly arranged at the center of the rear side face of each fan blade part (2), one end of each connecting rod (3) penetrates through the rear side face of the shell (1), the end part of each connecting rod (3) is connected with the output end of a motor (4), the rear side face of the shell (1) is connected with a horizontal placing plate (5), and the motors (4) are placed on the top faces of the placing plates (5);

shell (1) both ends all are provided with U type frame (6), and two corresponding tops of U type frame (6) and bottom all are provided with stop collar (7), two U type frame (6) tip surface all is provided with strip groove (8), and stop collar (7) tip kelly (9) and strip groove (8) sliding fit, and two stop collars (7) are in shell (1) top and bottom respectively, two U type frame (6) center department all utilizes screw rod (10) respectively with adjusting device both ends tip threaded connection, and screw rod (10) run through U type frame (6) center department, screw rod (10) surface spiral shell has connect two nuts 11, and two nuts 11 are in U type frame (6) both sides respectively.

2. The high efficiency surface mount fan screen assembly of claim 1, further comprising:

the both ends of shell (1) all are provided with the recess 12 that corresponds the matching with two U type frame (6), shell (1) top surface center department and bottom center department all are provided with draw runner (13), and two U type frame (6) all utilize restriction cover (7) respectively with two draw runner (13) sliding fit, and draw runner (13) center department spiral runs through and is provided with clamping screw (14), clamping screw (14) tip corresponds the laminating with draw runner (13) surface, and two restriction cover (7) all utilize the recess 12 sliding fit at two U type frame (6) and shell (1) both ends.

3. The high efficiency surface mount fan screen assembly of claim 1, further comprising:

the adjusting device comprises two outer frames (15) and an inner frame (16), the inner frame (16) is located between the two outer frames (15), the inner frame (16) and the outer frame (15) are rotatably sleeved on the surface of the connecting rod (3), the inner sides of the outer frame (15) and the inner frame (16) are rotatably sleeved with a support (17), and the support (17) is fixedly connected with the rear side face of the fan blade part (2);

the inner side end of the screw rod (10) is spirally connected with the outer side part of the outer frame (15), and the U-shaped frame (6) is correspondingly connected with the outer frame (15) through the nut (11) and the screw rod (10).

4. The high efficiency surface mount fan screen of claim 3, wherein:

inner tower (16) both sides and two outrigger (15) inside parts all are provided with link (18), utilize between inner tower (16) and outrigger (15) to change board (19) and be connected, change board (19) both ends and rotate with link (18) of inner tower (16) and outrigger (15) respectively and be connected, inner tower (16) trailing flank passes through spring (20) and the inside back lateral wall fixed connection of shell (1), and spring (20) ring cover in connecting rod (3) surface.

5. The high efficiency surface mount fan screen of claim 4, wherein:

interior frame (16) and outrigger (15) are misplaced each other, and the flabellum portion (2) that interior frame (16) and outrigger (15) are connected also are not in same vertical plane, two change board (19) and be in interior frame (16) both sides respectively, and two change and form the contained angle between board (19), the distance between interior frame (16) and shell (1) leading flank is less than the distance between outrigger (15) and shell (1) leading flank.

6. A high efficiency surface mount fan screen as defined in claim 4 or 5, wherein:

limiting plates (21) are fixedly connected to the bottoms of the two outer frames (15), limiting rods (22) are sleeved on the two limiting plates (21) through grooves in a sliding mode, limiting strips (23) are fixedly connected to the bottoms of the two ends of each limiting rod (22), and the limiting rods (22) are in sliding fit with the through grooves of the limiting plates (21) through the limiting strips (23);

the center of the limiting rod (22) is provided with a U-shaped part, and the center line of the U-shaped part is correspondingly parallel to the center line of the inner frame (16).

7. The high efficiency surface mount fan screen of claim 6, wherein:

inner tower (16) bottom fixedly connected with branch (24), the length of branch (24) is less than the height of U type portion, branch (24) surface is rotated and has been cup jointed and is changeed cover (25), it has cup jointed apical ring (26) and end ring (27) respectively to change cover (25) surface, apical ring (26) fixedly connected with first commentaries on classics board (28), end ring (27) fixedly connected with second commentaries on classics board (29), and the lateral surface of first commentaries on classics board (28) and second commentaries on classics board (29) corresponds the matching with the both ends circumference side of U type portion respectively.

8. The high efficiency surface mount fan screen of claim 7, wherein:

first commentaries on classics board (28) and second commentaries on classics board (29) rear end medial surface all are provided with corresponding sand grip, and the sand grip of first commentaries on classics board (28) and the sand grip of second commentaries on classics board (29) correspond the contact, are connected with flexure strip (30) between first commentaries on classics board (28) and the second commentaries on classics board (29) front end, and flexure strip (30) and sand grip are in the front and back both sides of branch (24) respectively.

9. The high efficiency surface mount fan screen of claim 3, wherein:

the rear side face center of the shell (1) is provided with a horizontal sliding groove (31), the connecting rod (3) penetrates through the sliding groove (31), and the outer frame (15) is in sliding fit with the sliding groove (31) through the connecting rod (3).

Images