CN114859645A

CN114859645A - Multimedia projection curtain with cleaning function

Info

Publication number: CN114859645A
Application number: CN202210523410.9A
Authority: CN
Inventors: 骆玮
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-08-05
Anticipated expiration: 2042-05-13
Also published as: CN114859645B

Abstract

The invention discloses a multimedia projection curtain with a cleaning function, and relates to the technical field of cleaning of projection devices. The multimedia projection curtain with the cleaning function comprises a winding box, wherein the inside of the winding box is rotatably connected with a winding drum through a rotating shaft, the outside of the winding drum is wound with a curtain body, a self-replacing type dust sticking mechanism, a cleaning mechanism and a dust collector are sequentially and jointly installed between two opening and closing mechanisms from top to bottom, a feeding piece is arranged at the upper part of a bearing plate, and a collecting piece is arranged at the lower part of the bearing plate. Thereby leading the cleaning capability of the curtain to be always in the qualified cleaning range capability and ensuring that the curtain can be always in a clean state, and the ineffective contact of cleaning equipment and the curtain can be avoided, the condition of reverse pollution to the curtain is avoided, meanwhile, the abrasion to the curtain is reduced, and the service life of the curtain is prolonged.

Description

Multimedia projection curtain with cleaning function

Technical Field

The invention relates to the technical field of projection device cleaning, in particular to a multimedia projection curtain with a cleaning function.

Background

The projection curtain is one of the most commonly used products of peripheral equipment of the projector, the projection curtain is generally used with the projector, thereby obtain the high-quality projection effect, the projection curtain can be generally divided into two types of reflection type and transmission type, the reflection type is used for the positive projection, the transmission type is used for the rear projection, the positive projection curtain is divided into a plane curtain and an arc curtain, when the light is incident to the surface of the transparent or semitransparent material, a part is reflected, a part is absorbed, because the surface of the curtain is provided with the rugged small holes, the concaves are easy to gather dust during the use process, the surface of the projection curtain becomes dirty and affects the viewing effect, therefore, the curtain needs to be cleaned in time after the use is finished.

Most of the existing modes for cleaning dust on the curtain are that two strip-shaped sponge wipers are arranged at the curtain outlet of a storage box and are in contact with the curtain, and the dust collected on the surface of the curtain is cleaned by utilizing the mutual friction between the strip-shaped sponge wipers and the curtain, however, after the cleaning mode is used for a long period of time, the interior of each strip-shaped sponge wiper is full of dust, so that the cleaning capability of the dust on the surface of the curtain is greatly reduced, even the reverse pollution is caused on the surface of the curtain, the strip-shaped sponge wipers are inconvenient to replace, and the effective cleaning capability of the curtain cannot be always kept;

in addition, the cleaning part of the existing cleaning equipment is inconsistent with the surface of the curtain all the time, but only when the curtain is retracted, the curtain is cleaned, the surface of the curtain is not in contact with the outside in the discharging process, so that dust cannot be gathered, the cleaning part is in invalid contact with the curtain, the dust of the cleaning part is easily reversely coated on the curtain to cause reverse pollution, the cleaning part is always in contact with the surface wall of the curtain to rub against the surface wall of the curtain, the abrasion of the curtain is easily accelerated, and the service life of the curtain is shortened.

Disclosure of Invention

The technical problem to be solved is as follows: the multimedia projection curtain with the cleaning function can solve the problems pointed out in the background technology.

The technical scheme is as follows: in order to achieve the above purpose, the invention adopts the following technical scheme that the multimedia projection curtain with the cleaning function comprises a winding box, wherein a winding drum is rotatably connected inside the winding box through a rotating shaft, a curtain body is wound outside the winding drum, opening and closing mechanisms are symmetrically arranged outside the rotating shaft, a self-replacing type dust adhering mechanism, a cleaning mechanism and a dust collector are sequentially and commonly arranged between the two opening and closing mechanisms from top to bottom, the self-replacing type dust adhering mechanism, the cleaning mechanism and the dust collector are symmetrically distributed by taking the curtain body as a symmetric axis, the opening and closing mechanisms are used for controlling the self-replacing type dust adhering mechanism, the cleaning mechanism and the dust collector to be attached to and separated from the curtain body, each opening and closing mechanism comprises a mounting plate, each self-replacing type dust adhering mechanism comprises a bearing plate, a spoke frame, an elastic clamp, a screw rod, a rolling wheel, a telescopic connecting rod, a feeding piece and a material receiving piece, the side end face of the mounting plate is fixedly connected with a bearing plate, two bearing plates positioned at the side part of the curtain body are symmetrically and rotatably connected with a spoke frame through a mounting shaft, each branch section in the spoke frame is fixedly connected with an elastic clamp, a dust stick is clamped in the elastic clamp, the side end face of the bearing plate close to the spoke frame is rotatably connected with a lead screw through a convex plate, the lead screw is in transmission connection with a rolling wheel in contact with the surface of the curtain body through a transmission piece, the side end face of the bearing plate is fixedly connected with a plate body through a fixed rod, one side end face of the plate body close to the lead screw is provided with a parallelogram sliding groove, one corner in the parallelogram sliding groove is hinged with a one-way valve plate, the inside of the parallelogram sliding groove is in sliding connection with a sliding column, and one end of the sliding column far away from the plate body is fixedly connected with a sliding plate in threaded connection with the lead screw through a fixed block, the utility model discloses a loading board, including fixed block and loading board side end face, the common fixedly connected with extension spring that resets of fixed block and loading board side end face, installation axle tip articulates there is telescopic connecting rod, and telescopic connecting rod keeps away from the one end of installation axle and the fixed block is articulated each other, installation axle tip fixedly connected with ratchet, telescopic connecting rod side end face articulates through the circular shaft cooperation torsional spring has the pawl with ratchet looks block, loading board upper portion is provided with the pay-off piece, and the loading board lower part is provided with material collecting part.

Furthermore, the cleaning mechanism comprises a transverse plate, a cleaning disc, a roller, a reciprocating driving piece and a cleaning plate, the transverse plate is fixedly connected between two mounting plates positioned on the side part of the curtain body, a plurality of circular through grooves are formed in the front end face of the transverse plate at equal intervals, a shaft rod is rotatably connected inside each circular through groove through a rod frame, the cleaning disc is fixedly connected to one end, close to the curtain body, of the shaft rod, the end face, close to the curtain body, of each cleaning disc is wavy, the side end face of the transverse plate is connected with a U-shaped frame in a sliding mode through the matching of the sliding grooves and the sliding rods, a reset spring is fixedly connected between each sliding groove and the corresponding sliding rod, the roller in contact with the surface of the curtain body is rotatably connected to the side end face of the transverse plate, the roller is in transmission connection with the U-shaped frame through the reciprocating driving piece, and the U-shaped frame is in transmission connection with the shaft rod through the matching of a plurality of racks, two tip fixedly connected with bedplate that the U-shaped frame is close to the curtain body, a side end equidistance that the bedplate is close to the curtain body rotates and is connected with a plurality of and cleans the board, and the clean board that is located the homonymy passes through drive belt transmission and connects each other, is located the coaxial fixedly connected with drive gear of one of them clean board in the bedplate, a side end fixedly connected with that the horizontal board is close to the bedplate meshes with drive gear mutually's driving rack.

Further, a plurality of installation is seted up to the preceding terminal surface equidistance of horizontal board and is led to the groove, the inslot portion is led in the installation is provided with and is used for driving the peristaltic subassembly of curtain body wriggling, the peristaltic subassembly includes peristaltic cam, hold-in range, rope reel and stay cord, the inslot portion symmetry rotation is led to the installation is connected with the rotation axis, and the outside fixedly connected with peristaltic cam of rotation axis is located the installation and leads to common transmission between two rotation axes of groove and is connected with the hold-in range, and the outside fixedly connected with rope reel of one of them rotation axis, common fixedly connected with stay cord between rope reel and the multisection rack, the outer table wall of rotation axis and the common fixedly connected with of the groove cell wall that leads to the installation reset clockwork spring.

Furthermore, the end face of one side of the transverse plate close to the multi-section rack is symmetrically and rotatably connected with guide clamping wheels through a wheel carrier, and the pull rope penetrates between the two guide clamping wheels.

Furthermore, the circumferential outer wall of the roller is fixedly connected with an annular air bag ring through a connecting spring.

Further, the mechanism that opens and shuts includes ring, ejector pin and rolls over shape telescopic link, the outside cover of pivot is equipped with the ring, the ring outside articulates through the flange has the ejector pin, the rolling box inner chamber wall articulates through the cylinder symmetry has a book shape telescopic link, rolls over the flexible section and the ejector pin of shape telescopic link and articulates each other, rolls over the one end fixedly connected with mounting panel that the ejector pin was kept away from to shape telescopic link, ring side end face passes through spring flexible post equidistance fixedly connected with a plurality of and the inconsistent friction plate of pivot table wall along its circumferencial direction.

Further, receive the material piece including receiving material frame and an elasticity restraint piece, receive material frame fixed connection in loading board side end face lower part, receive material frame upper portion section and be the arc form and be provided with the opening, receive material frame inner chamber wall upper portion fixedly connected with elasticity restraint piece No. one.

Further, pay-off piece is including pay-off frame, No. two elasticity restraint piece and slurcam, and pay-off frame fixed connection is on loading board upper portion and its lower part is the opening form, and No. two elasticity restraint pieces of cavity wall fixedly connected with in pay-off frame, pay-off frame cavity wall are through promoting spring fixedly connected with slurcam.

Has the advantages that (1) the screw rod is driven to rotate by the rolling wheel in the process of utilizing the curtain to be released and retracted through the matching of the screw rod, the sliding plate, the rolling wheel, the parallelogram sliding groove and the sliding column, after the curtain is released and retracted to the preset times, the screw rod drives the external sliding plate to complete a process and separate from the screw rod, and the spoke frames are driven to rotate for a certain angle by fast moving and resetting under the action of the resetting tension spring, thereby sending the used dust-binding rod into the material collecting part, simultaneously taking out a new dust-binding rod from the material feeding part to be abutted against the surface wall of the curtain, being capable of timely and automatically taking down the used dust-binding rod and installing the new dust-binding rod after the use is finished for a preset time, therefore, the cleaning capability of the curtain is always in the qualified cleaning range capability, and the curtain can be always in a clean state.

(2) The utility model discloses a curtain, including curtain rolling, ring through opening and shutting the mechanism, the ejector pin, roll over the cooperation of shape telescopic link and mounting panel, at the in-process of curtain rolling, utilize the damping connected mode between pivot and the ring, continuous upwards carry draw to roll over the shape telescopic link and make two adjacent mounting panels be close to each other, thereby make clear equipment laminate each other with the curtain all the time, and at the in-process that the curtain emits, the ejector pin rolls over the shape telescopic link downwards the roof pressure and makes two adjacent mounting panels keep away from each other, and then make clear equipment and curtain separation, thereby can avoid the invalid contact of cleaning device and curtain, the condition of leading to the fact reverse pollution to the curtain has been avoided, the wearing and tearing to the curtain have still been reduced simultaneously, the life of curtain has been prolonged.

(3) The combination of the wavy end face and the peristaltic assembly that contact through cleaning dish and curtain makes the curtain take place small wriggling to the clear in-process of curtain to can turn over the dust of gathering in the curtain shrinkage pool, can effectively carry out thorough clearance to the dust of adhesion on the curtain surface, improve the clearance effect.

(4) Through the contact of gyro wheel, roll wheel and curtain, the process that utilizes curtain automatic rolling drives the gyro wheel and takes place to rotate as the power supply of the whole operation of device with the roll wheel, has reduced the use of motor, has reduced the cost that uses the motor to bring as the power supply.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the mounting structure of the opening and closing mechanism of the present invention.

FIG. 3 is a schematic view of the friction plate mounting structure of the present invention.

FIG. 4 is a schematic structural diagram of a side view of the self-replaceable dust-binding mechanism (with the carrier plate hidden).

Fig. 5 is an enlarged view of the structure of part a in fig. 4 according to the present invention.

Fig. 6 is a schematic view of the sliding direction of the sliding column in the parallelogram sliding groove according to the invention.

Fig. 7 is a schematic structural view of the cleaning mechanism of the present invention.

Fig. 8 is an enlarged view of the structure of part B of fig. 7 according to the present invention.

Fig. 9 is a schematic view of the mounting structure of the peristaltic mechanism of the present invention.

Fig. 10 is a schematic view of the structure of the cleaning plate of the present invention.

In the figure: 1. a coiling box; 2. a rotating shaft; 3. a curtain body; 4. an opening and closing mechanism; 41. mounting a plate; 42. a loop; 43. a top rod; 44. a fold-shaped telescopic rod; 45. a spring telescopic column; 46. a friction plate; 5. a self-replaceable dust-binding mechanism; 51. a carrier plate; 52. a spoke rack; 53. an elastic clip; 54. a screw rod; 55. a rolling wheel; 56. a telescopic connecting rod; 57. a feeding member; 571. a feeding frame; 572. elastic restraining block II; 573. a push plate; 574. a push spring; 58. receiving a material part; 581. a material receiving frame; 582. elastic restraint block number one; 59. installing a shaft; 510. a dust sticking rod; 511. a plate body; 512. a parallelogram sliding groove; 513. a one-way valve plate; 514. sliding the column; 515. a sliding plate; 516. a return tension spring; 517. a ratchet wheel; 518. a pawl; 6. a brushing mechanism; 61. a transverse plate; 62. cleaning the disc; 63. a roller; 64. a reciprocating drive member; 65. cleaning the board; 66. a chute; 67. a slide bar; 68. a U-shaped frame; 69. a peristaltic assembly; 691. a peristaltic cam; 692. a synchronous belt; 693. a rope drum; 694. pulling a rope; 695. a guide clamping wheel; 610. a seat plate; 7. a vacuum cleaner; 8. a transmission member.

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 and fig. 2, the present invention provides a technical solution: a multimedia projection curtain with a cleaning function comprises a winding box 1, a winding drum is rotatably connected inside the winding box 1 through a rotating shaft 2, a curtain body 3 is wound outside the winding drum, opening and closing mechanisms 4 are symmetrically arranged outside the rotating shaft 2, a self-replacing type dust adhering mechanism 5, a cleaning mechanism 6 and a dust collector 7 are sequentially and jointly arranged between the two opening and closing mechanisms 4 from top to bottom, the self-replacing type dust adhering mechanism 5, the cleaning mechanism 6 and the dust collector 7 are symmetrically distributed by taking the curtain body 3 as a symmetric axis, the opening and closing mechanisms 4 are used for controlling the attachment and separation of the self-replacing type dust adhering mechanism 5, the cleaning mechanism 6 and the dust collector 7 and the curtain body 3, the opening and closing mechanisms 4 comprise a ring 42, an ejector rod 43, a folding telescopic rod 44 and a mounting plate 41, the ring 42 is sleeved outside the rotating shaft 2, the ejector rod 43 is hinged outside the ring 42 through a convex plate, the inner cavity wall of the winding box 1 is hinged with the folding telescopic rod 44 through cylindrical symmetry, the telescopic section of the fold-shaped telescopic rod 44 is hinged with the top rod 43, one end of the fold-shaped telescopic rod 44 far away from the top rod 43 is fixedly connected with the mounting plate 41, and the side end face of the ring 42 is fixedly connected with a plurality of friction plates 46 which are contacted with the surface wall of the rotating shaft 2 at equal intervals along the circumferential direction through spring telescopic columns 45.

When the curtain needs to be released, the rotating shaft 2 rotates to drive the ring 42 to rotate, the friction plate 46 connected with the end face of the ring 42 through the spring telescopic column 45 always abuts against the outside of the rotating shaft 2, so that the rotating shaft 2 and the ring 42 are always in a damping fit state, the ring 42 rotates anticlockwise in the releasing process of the curtain and pushes the folded telescopic rod 44 downwards through the convex plate and the ejector rod 43, the folded telescopic rod 44 rotates around the cylinder and drives the mounting plate 41 to rotate, the two adjacent mounting plates 41 are mutually far away, the self-replaceable dust-binding mechanism 5 arranged outside the mounting plate 41, the cleaning mechanism 6 and the surface of the curtain are separated, when the curtain needs to be rolled, the rotating shaft 2 drives the ring 42 to rotate reversely, the ring 42 then lifts the folded telescopic rod 44 upwards through the ejector rod 43, the folded telescopic rod 44 then rotates around the cylinder and drives the mounting plate 41 connected with the ring to rotate, two adjacent mounting panels 41 are close to each other and move to make and derive from replacement formula dust binding mechanism 5 and brush mechanism 6 can be in the same place with the inseparable laminating of curtain, can avoid the invalid contact of clearance part and curtain, avoided causing reverse pollution's the condition to the curtain, can also reduce the wearing and tearing that cleaning part and curtain contacted the cause simultaneously, prolonged the life of curtain.

Referring to fig. 4, 5 and 6, in this embodiment, the self-replaceable dust-binding mechanism 5 includes a bearing plate 51, a spoke frame 52, an elastic clamp 53, a lead screw 54, a rolling wheel 55, a telescopic link 56, a feeding member 57 and a receiving member 58, the bearing plate 51 is fixedly connected to the side end surface of the mounting plate 41, the spoke frame 52 is symmetrically and rotatably connected between the two bearing plates 51 located at the side of the curtain body 3 through a mounting shaft 59, each support section in the spoke frame 52 is fixedly connected with the elastic clamp 53, a dust-binding rod 510 is clamped inside the elastic clamp 53, the lead screw 54 is rotatably connected to the side end surface of the bearing plate 51 close to the spoke frame 52 through a convex plate, the lead screw 54 is rotatably connected to the rolling wheel 55 in contact with the surface of the curtain body 3 through a transmission member 8, the side end surface of the bearing plate 51 is fixedly connected to a plate body 511 through a fixing rod 511, and a parallelogram sliding groove 512 is formed on the side end surface of the plate body close to the lead screw 54, one of the corners in the parallelogram sliding groove 512 is hinged with a one-way valve plate 513, the inside of the parallelogram sliding groove 512 is connected with a sliding column 514 in a sliding manner, one end of the sliding column 514 far away from the plate body 511 is fixedly connected with a sliding plate 515 in threaded connection with a screw rod 54 through a fixed block, the fixed block and the side end face of the bearing plate 51 are fixedly connected with a return tension spring 516 together, the end part of the mounting shaft 59 is hinged with a telescopic connecting rod 56, one end of the telescopic connecting rod 56 far away from the mounting shaft 59 is hinged with the fixed block, the end part of the mounting shaft 59 is fixedly connected with a ratchet 517, the side end face of the telescopic connecting rod 56 is hinged with a pawl 518 clamped with the ratchet 517 through a circular shaft matched torsion spring, the upper part of the bearing plate 51 is provided with a feeding part 57, and the lower part of the bearing plate 51 is provided with a material collecting part 58.

Referring to fig. 4, the material receiving member 58 includes a material receiving frame 581 and a first elastic restraining block 582, the material receiving frame 581 is fixedly connected to the lower portion of the side end face of the bearing plate 51, the upper section of the material receiving frame 581 is arc-shaped and provided with an opening, the first elastic restraining block 582 is fixedly connected to the upper portion of the inner cavity wall of the material receiving frame 581, the material feeding member 57 includes a material feeding frame 571, a second elastic restraining block 572 and a pushing plate 573, the material feeding frame 571 is fixedly connected to the upper portion of the bearing plate 51 and the lower portion thereof is open, the inner cavity wall of the material feeding frame 571 is fixedly connected to the second elastic restraining block 572, and the cavity wall of the material feeding frame 571 is fixedly connected to the pushing plate 573 through a pushing spring 574.

In the process of rolling the curtain, because the rolling wheel 55 is in contact with the curtain at this time, the curtain can drive the rolling wheel 55 to rotate in the process of rolling and moving, the rolling wheel 55 then drives the screw rod 54 to rotate through the transmission part 8, the screw rod 54 rotates to drive the sliding plate 515 in threaded connection with the screw rod to move, the sliding plate 515 then drives the sliding column 514 to slide in the lower section of the parallelogram sliding groove 512 through the fixing block, the reset tension spring 516 is stretched, and in the process of discharging the curtain, the sliding wheel is separated from the curtain, so that the sliding wheel can rotate only in one direction, after the curtain is rolled and discharged to the preset number of times, the sliding plate 515 moves the left end section of the screw rod 54, the sliding column 514 is also driven to slide to the inclined section position at the left part of the parallelogram sliding groove 512 (as shown in fig. 6), at this time, the sliding column 514 starts to rise under the extrusion of the parallelogram inclined section, and drives the sliding plate 515 to rise;

when the sliding column 514 rises to pass through the check valve plate 513, the check valve plate 513 is closed, the sliding column 514 slides into the upper transverse section of the parallelogram sliding groove 512, the spiral strip block at the lower part of the sliding plate 515 is completely separated from the spiral strip block outside the screw rod 54, the reset tension spring 516 pulls the sliding column 514 to move rightwards through the fixing block, the pawl 518 and the ratchet 517 are driven to be clamped together through the telescopic connecting rod 56, the mounting shaft 59 is driven to rotate the rotating shaft 2, the mounting shaft 59 then drives the spoke frame 52 to rotate, the dust sticking rod 510 which is full of dust in the spoke frame 52 moves into the material collecting member 58 and falls off from the elastic clamp 53 into the material collecting frame 581 under the extrusion action of the arc section of the material collecting frame 581, the elastic clamp 53 which is separated from the dust sticking rod 510 after the dust sticking rod 510 is completed in the material collecting member 58 enters the material conveying member 57, and the new dust sticking rod 510 in the material feeding frame 571 is clamped in the elastic clamp 53 under the combined pushing action of the pushing spring 574 and the pushing plate 573, the elastic clamp 53 clamped into the new dust stick 510 will move to the position where it is against the curtain;

after the dust sticking rod 510 is replaced, the telescopic connecting rod 56 moves to the initial position under the pulling of the reset tension spring 516, the sliding column 514 slides into the transverse section of the lower part again through the inclined section of the right part of the parallelogram, the sliding plate 515 is also in threaded connection with the screw rod 54 again to wait for the next moving process, the dust sticking rod 510 is automatically replaced by utilizing the rolling action of the curtain, so that the dust cleaning capacity on the surface of the curtain is always in a qualified range, and the cleaning capacity of the curtain is improved.

Referring to fig. 7, 8 and 10, in this embodiment, the brushing mechanism 6 includes a horizontal plate 61, a cleaning disc 62, a roller 63, a reciprocating driving member 64 and a brushing plate 65, the horizontal plate 61 is fixedly connected between two mounting plates 41 at the side of the curtain body 3, a plurality of circular through slots are equidistantly formed on the front end surface of the horizontal plate 61, a shaft rod is rotatably connected inside the circular through slot through a rod bracket, the cleaning disc 62 is fixedly connected to one end of the shaft rod close to the curtain body 3, the end surface of the cleaning disc 62 close to the curtain body 3 is wavy, the end surface of the horizontal plate 61 is slidably connected to a U-shaped bracket 68 through a sliding slot 66 in cooperation with a sliding rod 67, a return spring is fixedly connected between the sliding slot 66 and the sliding rod 67, the roller 63 in contact with the surface of the curtain body 3 is rotatably connected to the end surface of the horizontal plate 61, an annular air bag ring is fixedly connected to the outer wall of the roller 63 through a connecting spring, the roller 63 is in transmission connection with the U-shaped frame 68 through a reciprocating driving piece 64, the reciprocating driving piece 64 comprises a trapezoidal plate, a telescopic supporting rod and a crank, the side part of the U-shaped frame 68 is fixedly connected with a trapezoidal plate, one side end surface of the transverse plate 61 close to the trapezoidal plate is hinged with the telescopic supporting rod through a supporting plate, one end of the telescopic supporting rod close to the trapezoidal plate is rotatably connected with a round wheel which is in contact with the inclined surface of the trapezoidal plate, the telescopic section of the telescopic supporting rod is hinged with a crank, one end of the crank close to the roller 63 is hinged on the side end surface of the roller 63 through a rotating shaft, the U-shaped frame 68 is in transmission connection with a shaft lever through a multi-section rack matching gear, two end parts of the U-shaped frame 68 close to the curtain body 3 are fixedly connected with a seat plate 610, one side end surface of the seat plate 610 close to the curtain body 3 is connected with a plurality of cleaning plates 65 in an equidistance rotation mode, the cleaning plates 65 on the same side are mutually in transmission connection through a transmission belt, one of the cleaning plates 65 in the seat plate 610 is coaxially and fixedly connected with a transmission gear, the end face of one side of the transverse plate 61 close to the seat plate 610 is fixedly connected with a transmission rack meshed with the transmission gear.

Referring to fig. 9, a plurality of installation through slots are equidistantly formed in the front end surface of the transverse plate 61, a peristaltic module 69 for driving the curtain body 3 to wriggle is disposed inside the installation through slot, the peristaltic module 69 comprises a peristaltic cam 691, a synchronous belt 692, a rope drum 693 and a pull rope 694, the installation through slot is symmetrically and rotatably connected with a rotating shaft 2, the exterior of the rotating shaft 2 is fixedly connected with the peristaltic cam 691, the synchronous belt 692 is jointly and drivingly connected between the two rotating shafts 2 in the installation through slot, and a rope drum 693 is fixedly connected to the outside of one of the rotating shafts 2, a pull rope 694 is fixedly connected between the rope drum 693 and the multi-section rack, a reset spring is fixedly connected between the outer surface wall of the rotating shaft 2 and the wall of the installation through groove, one side end face of the transverse plate 61 close to the multi-section rack is symmetrically and rotatably connected with guide clamping wheels 695 through a wheel carrier, and the pull rope 694 passes through the space between the two guide clamping wheels 695.

The curtain drives the roller 63 to rotate in the process of rolling, the roller 63 drives the U-shaped frame 68 to reciprocate through the reciprocating driving piece 64, the roller 63 drives the telescopic support rod to rotate through the crank, the other end of the telescopic support rod then presses the inclined surface of the trapezoidal plate through the circular wheel to enable the trapezoidal plate to move, and further drives the U-shaped frame 68 to move, the circular wheel continuously and mutually presses and separates the inclined surface of the trapezoidal plate to achieve the reciprocating movement of the U-shaped frame 68, the reciprocating movement of the U-shaped frame 68 drives the gear to rotate through the multi-section rack, the gear then drives the cleaning disc 62 to rotate through the shaft rod, the surface part position of the curtain is enabled to creep through the contact of the wavy end surface of the cleaning disc 62 and the curtain, the multi-section rack drives the pull rope 694 to move while reciprocating, the pull rope 694 then drives the creep cam 691 to rotate through the rope barrel 693 and the rotating shaft 2, and the reset spring is compressed at the moment, when the multi-section rack releases the pull rope 694, the peristaltic cam 691 is driven to rotate reversely under the reset spring reset expansion effect, the curtain is pushed to further creep through the continuous repeated forward and reverse rotation of the peristaltic cam 691, so that dust gathered in the curtain concave hole can be turned over, the dust gathered in the curtain concave hole can be thoroughly cleaned, then the U-shaped frame 68 drives the seat plate 610 to move in a reciprocating mode while moving, the seat plate 610 drives the transmission gear to move in a reciprocating mode outside the transmission rack to drive the cleaning plate 65 to rotate, then the residual cleaning plate 65 is driven to rotate synchronously through the transmission belt, the dust on the surface of the curtain is cleaned, and finally the dust collector 7 is started to collect the cleaned dust.

When the curtain unwinding device works, the self-replacing type dust sticking mechanism 5, the cleaning mechanism 6 and the dust collector 7 are controlled by the opening and closing mechanism 4 to be separated from the curtain in the curtain unwinding process, so that the ineffective contact between the cleaning device part and the curtain can be avoided, the situation that the curtain is reversely polluted is avoided, meanwhile, the abrasion to the curtain is reduced, the service life of the curtain is prolonged, when the curtain is wound, the self-replacing type dust sticking mechanism 5, the cleaning mechanism 6, the dust collector 7 and the curtain are attached together under the control of the opening and closing mechanism 4, the dust collected in the concave hole of the curtain is turned out under the control of the partial creeping motion of the cleaning mechanism 6, the dust on the surface of the curtain can be thoroughly cleaned, then the dust collector 7 is started to collect the cleaned dust, and then the cleaned dust is further collected by the sticky rod 510 in the self-replacing type dust sticking mechanism 5, after the curtain unreels and collects certain number of times, can change the stick dirt stick 510 of stick dirt automatically from change formula stick dirt mechanism 5 to guaranteed that the stick dirt ability is in qualified scope all the time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a multimedia projection curtain with clean function, includes winding box (1), winding box (1) is inside to be connected with the reel through pivot (2) rotation, and the outside winding of reel is provided with curtain body (3), its characterized in that: the curtain cloth cleaning device is characterized in that opening and closing mechanisms (4) are symmetrically arranged outside the rotating shaft (2), self-replacing type dust sticking mechanisms (5), cleaning mechanisms (6) and dust collectors (7) are sequentially and jointly installed between the two opening and closing mechanisms (4) from top to bottom, the self-replacing type dust sticking mechanisms (5), the cleaning mechanisms (6) and the dust collectors (7) are symmetrically distributed by taking the curtain body (3) as a symmetrical shaft, the opening and closing mechanisms (4) are used for controlling the self-replacing type dust sticking mechanisms (5), the cleaning mechanisms (6) and the dust collectors (7) to be attached to and separated from the curtain body (3), and the opening and closing mechanisms (4) comprise mounting plates (41);

the self-replacing dust binding mechanism (5) comprises bearing plates (51), spoke frames (52), elastic clamps (53), a screw rod (54), rolling wheels (55), a telescopic connecting rod (56), a feeding piece (57) and a receiving piece (58), wherein the side end faces of the mounting plate (41) are fixedly connected with the bearing plates (51), two bearing plates (51) which are positioned on the side portions of the curtain body (3) are symmetrically and rotatably connected with the spoke frames (52) through mounting shafts (59), each support section in the spoke frames (52) is fixedly connected with the elastic clamp (53), dust binding rods (510) are clamped in the elastic clamps (53), the side end faces, close to the spoke frames (52), of the bearing plates (51) are rotatably connected with the screw rod (54) through convex plates, the screw rod (54) is in transmission connection with the rolling wheels (55) which are in contact with the surface of the curtain body (3) through transmission pieces (8), a plate body (511) is fixedly connected to the side end face of the bearing plate (51) through a fixing rod, a parallelogram sliding groove (512) is formed in one side end face of the plate body (511) close to the screw rod (54), a one-way valve plate (513) is hinged to one corner in the parallelogram sliding groove (512), a sliding column (514) is connected to the inside of the parallelogram sliding groove (512) in a sliding mode, one end, far away from the plate body (511), of the sliding column (514) is fixedly connected with a sliding plate (515) in threaded connection with the screw rod (54) through the fixing block, a reset tension spring (516) is fixedly connected to the fixing block and the side end face of the bearing plate (51) together, a telescopic connecting rod (56) is hinged to the end portion of the mounting shaft (59), one end, far away from the mounting shaft (59), of the telescopic connecting rod (56) is hinged to the fixing block, and a ratchet (517) is fixedly connected to the end portion of the mounting shaft (59), the side end face of the telescopic connecting rod (56) is hinged with a pawl (518) which is clamped with a ratchet wheel (517) through a round shaft matched with a torsion spring, a feeding part (57) is arranged at the upper part of the bearing plate (51), and a material receiving part (58) is arranged at the lower part of the bearing plate (51).

2. The multimedia projection curtain with cleaning function as claimed in claim 1, wherein: the cleaning mechanism (6) comprises a transverse plate (61), a cleaning disc (62), a roller (63), a reciprocating driving piece (64) and a cleaning plate (65), wherein the transverse plate (61) is fixedly connected between two mounting plates (41) on the side of the curtain body (3) together, a plurality of circular through grooves are formed in the front end face of the transverse plate (61) at equal intervals, a shaft rod is rotatably connected inside each circular through groove through a rod frame, the cleaning disc (62) is fixedly connected to one end, close to the curtain body (3), of the shaft rod, one end face, close to the curtain body (3), of the cleaning disc (62) is wavy, the side end face of the transverse plate (61) is in sliding connection with a U-shaped frame (68) through a sliding groove (66) in cooperation with a sliding rod (67), a return spring is fixedly connected between the sliding groove (66) and the sliding rod (67) together, the side end face of the transverse plate (61) is rotatably connected with the roller (63) in contact with the surface of the curtain body (3), the curtain cleaning device is characterized in that the roller (63) is in transmission connection with the U-shaped frame (68) through a reciprocating driving piece (64), the U-shaped frame (68) is in transmission connection with the shaft rod through a multi-section rack matched gear, the U-shaped frame (68) is close to two end portions of the curtain body (3) and fixedly connected with seat plates (610), one side end face of each seat plate (610) close to the curtain body (3) is connected with a plurality of cleaning plates (65) in an equidistance rotating mode, the cleaning plates (65) located on the same side are connected through transmission belts in an mutual transmission mode, one side end face of each cleaning plate (65) located in the seat plates (610) is fixedly connected with a transmission gear, and one side end face of each transverse plate (61) close to the seat plate (610) is fixedly connected with a transmission rack meshed with the transmission gear.

3. The multimedia projection curtain with cleaning function as claimed in claim 2, wherein: horizontal board (61) preceding terminal surface equidistance has been seted up a plurality of and has been led to the groove, the inslot portion is led to in the installation is provided with and is used for driving peristaltic subassembly (69) of curtain body (3) wriggling, peristaltic subassembly (69) are including wriggling cam (691), hold-in range (692), rope section of thick bamboo (693) and stay cord (694), the inside symmetry rotation of the inslot portion is led to in the installation is connected with rotation axis (2), rotation axis (2) outside fixedly connected with wriggling cam (691), and common transmission is connected with hold-in range (692) between two rotation axis (2) that lie in the groove of installation, and one of them rotation axis (2) outside fixedly connected with rope section of thick bamboo (693), common fixedly connected with stay cord (694) between rope section of thick bamboo (693) and the multisection rack, the common fixedly connected with of rotation axis (2) exterior wall and the groove wall of installation returns the clockwork of strip.

4. The multimedia projection curtain with cleaning function as claimed in claim 3, wherein: the end face of one side of the transverse plate (61) close to the multi-section rack is symmetrically and rotatably connected with guide clamping wheels (695) through a wheel carrier, and the pull rope (694) penetrates between the two guide clamping wheels (695).

5. The multimedia projection curtain with cleaning function as claimed in claim 2, wherein: the circumferential outer wall of the roller (63) is fixedly connected with an annular air bag ring through a connecting spring.

6. The multimedia projection curtain with cleaning function as claimed in claim 1, wherein: mechanism (4) open and shut includes ring (42), ejector pin (43) and book shape telescopic link (44), pivot (2) outside cover is equipped with ring (42), ring (42) outside articulates through the flange has ejector pin (43), it has book shape telescopic link (44) to roll up box (1) inner chamber wall through cylindrical symmetry articulates, and the flexible section and ejector pin (43) of book shape telescopic link (44) are articulated each other, and the one end fixedly connected with mounting panel (41) of ejector pin (43) are kept away from in book shape telescopic link (44), ring (42) side end face is followed its circumferencial direction and is passed through spring expansion column (45) equidistance fixedly connected with a plurality of and pivot (2) the inconsistent friction plate (46) of table wall.

7. The multimedia projection curtain with cleaning function as claimed in claim 1, wherein: the material receiving part (58) comprises a material receiving frame (581) and a first elastic restraining block (582), the material receiving frame (581) is fixedly connected to the lower portion of the side end face of the bearing plate (51), the upper portion section of the material receiving frame (581) is arc-shaped and provided with an opening, and the upper portion of the inner cavity wall of the material receiving frame (581) is fixedly connected with the first elastic restraining block (582).

8. The multimedia projection curtain with cleaning function as claimed in claim 1, wherein: the feeding piece (57) comprises a feeding frame (571), a second elastic restraining block (572) and a pushing plate (573), the feeding frame (571) is fixedly connected to the upper portion of the bearing plate (51) and the lower portion of the bearing plate is in an open shape, the second elastic restraining block (572) is fixedly connected to the inner cavity wall of the feeding frame (571), and the pushing plate (573) is fixedly connected to the cavity wall of the feeding frame (571) through a pushing spring (574).