CN114873396B - LCD display with liquid crystal light valve - Google Patents

LCD display with liquid crystal light valve Download PDF

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Publication number
CN114873396B
CN114873396B CN202210449433.XA CN202210449433A CN114873396B CN 114873396 B CN114873396 B CN 114873396B CN 202210449433 A CN202210449433 A CN 202210449433A CN 114873396 B CN114873396 B CN 114873396B
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China
Prior art keywords
bevel gear
sliding
plate
fixedly connected
rod
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CN202210449433.XA
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Chinese (zh)
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CN114873396A (en
Inventor
魏浩宇
夏文倩
朱云帆
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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Priority to CN202210449433.XA priority Critical patent/CN114873396B/en
Publication of CN114873396A publication Critical patent/CN114873396A/en
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Publication of CN114873396B publication Critical patent/CN114873396B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00Applications of devices for indicating or signalling operating conditions of elevators
    • B66B3/002Indicators
    • B66B3/008Displaying information not related to the elevator, e.g. weather, publicity, internet or TV
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12Brushes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Cleaning In General (AREA)

Abstract

The invention relates to the field of LCD displays, and particularly discloses a liquid crystal light valve LCD display, which comprises a shell, wherein side holes are formed in the side edges of two sides of the shell, first guide grooves are formed in the two sides of the side holes, a sleeve plate is connected in a sliding manner in the first guide grooves, an inner plate is connected in the sleeve plate in a sliding manner, a plurality of uniform air holes are formed in the inner plate, a linkage assembly is arranged on the sleeve plate, and a display screen is arranged in the center of the shell. The transmission assembly effectively prevents the disinfectant from being sprayed by the spray head too much, the brush roller continuously moves downwards after the disinfectant is sprayed, the display screen is effectively cleaned, meanwhile, the disinfectant sprayed by the spray head is smeared on the display screen, on one hand, the display screen is disinfected and sterilized, on the other hand, the heat on the display screen can be taken away through volatilization of the disinfectant, and the risk that water in the air is condensed into water drops attached to the inside of the shell and further short circuits are caused is effectively prevented.

Description

LCD display with liquid crystal light valve
Technical Field
The invention relates to a display, in particular to a liquid crystal light valve LCD display, and belongs to the field of LCD displays.
Background
LCD displays are generally referred to as liquid crystal displays. The LCD is an active matrix LCD driven by Thin Film Transistors (TFTs), which mainly uses current to stimulate liquid crystal molecules to generate points, lines and surfaces to form pictures by matching with back lamps.
The conventional LCD display with the liquid crystal light valve still has certain defects when in use, and for the advertising LCD display installed in an elevator in a region with high temperature and humidity, the elevator is frequently disinfected due to the entering and exiting of a large number of people, and meanwhile, when the LCD display works for a long time, the inside of the display is easily condensed to form water drops due to the moist heat environment for a long time, so that short circuits are easily caused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the LCD display with the liquid crystal light valve, which solves the problems that the advertisement LCD display is arranged in an elevator in a region with higher temperature and humidity, a large number of people come in and go out to disinfect the elevator frequently, and meanwhile, when the LCD display works for a long time, the inside of the display is easy to condense and form water drops due to the moist and hot environment, and short circuit is easy to occur.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a liquid crystal light valve LCD display, includes the shell, the side opening has all been seted up to the both sides side of shell, first guide slot has all been seted up to the both sides of side opening, the inside sliding connection of first guide slot has the sleeve board, the inside sliding connection of sleeve board has the inner panel, a plurality of even bleeder vents have been seted up on the inner panel, be provided with the linkage subassembly on the sleeve board, the center department of shell is provided with the display screen, the position department that is located the display screen top on the shell is equipped with a plurality of shower nozzles, the shower nozzle intercommunication has the connecting pipe, the side that the connecting pipe runs through the shell, the inside of shell is equipped with drive assembly, the drive assembly transmission is connected with the brush roller, brush roller and display screen sliding connection, the brush roller is located the inside of shell, the bottom of brush roller is equipped with accomodates the groove, accomodate the groove and shell sliding connection, drive assembly is connected with the linkage subassembly transmission, the switch assembly is connected with the switch assembly, the switch assembly control shower nozzle opens and closes, the both sides of brush roller are equipped with the face subassembly, accomodate the subassembly.
Preferably, the transmission assembly comprises a motor, a first bevel gear, a rotating cylinder, a second bevel gear, a transmission shaft, a screw rod, a third bevel gear and a fourth bevel gear, wherein the motor is fixedly connected to a shell at the top of one side of the display screen, the first bevel gear is fixedly connected to an output shaft of the motor, the second bevel gear is connected with the second bevel gear in a meshed mode, the second bevel gear is fixedly connected with the transmission shaft, the transmission shaft is positioned at the top of the display screen and is horizontal in direction, one end of the transmission shaft, far away from the second bevel gear, is fixedly connected with the third bevel gear, the third bevel gear is connected with the fourth bevel gear in a meshed mode, the axial direction of the fourth bevel gear is identical to that of the first bevel gear, the transmission shaft drives the fourth bevel gear through the third bevel gear, the bottoms of the first bevel gear and the third bevel gear are fixedly connected with the rotating cylinder, the first bevel gear and the third bevel gear are fixedly connected to the top of the rotating cylinder, the screw rod is fixedly connected to the bottom of the rotating cylinder, the screw rod is rotatably connected to the two sides of the shell, the screw rod is positioned at the two sides of the display screen, and the transmission assembly is connected with the screw rod assembly below the screw rod.
Preferably, the linkage assembly comprises a sliding block, a first pulley, a second pulley, a connecting rope, a sliding groove, a spring box a, a spring box b, a connecting rope and a roller, wherein the sliding block is respectively arranged at two ends of the brush roller and fixedly connected with the brush roller through a surface changing assembly, the sliding block is sleeved with screw threads, the connecting rope is fixedly connected to one side of the top of the sliding block, the inside of the shell is positioned at the top of one side of the sliding block and is rotationally connected with the first pulley, the inside of the shell is positioned at the top of the sleeve plate and is rotationally connected with the second pulley, the connecting rope is in rolling connection with the first pulley and the second pulley, one end of the connecting rope, far away from the sliding block, is connected with the spring box a and is fixedly connected with the spring box a, the spring box a is fixedly connected with the top center of the sleeve plate, the length of the spring box a is the same as the distance between the sleeve plate and the second pulley, the top center of the inner plate is fixedly connected with the spring box b, the connecting rope is arranged inside the spring box b, the connecting rope is connected with the inner plate and the inner plate through the same length of the sleeve plate, and the two sides of the inner plate are fixedly connected with the sliding groove.
Preferably, the switch assembly comprises a fixed rod, a boss, a second guide groove, a guide rod, a first spring, a contact switch and a groove, wherein the fixed rod is fixedly connected to one side, far away from the brush roller, of the sliding block on the sliding block, the groove is formed in the side edge of the sliding block, the groove is in sliding connection with the fixed rod, the second guide groove is formed in a side wall plate, far away from the sliding block, of the groove, the boss is in sliding connection with the fixed rod, the contact surface of the boss and the fixed rod is conical, the guide rod is fixedly connected to the center of one end, far away from the conical surface, of the boss, the guide rod is sleeved with the first spring, two ends of the first spring are fixedly connected to the boss and the wall plate of the second guide groove respectively, the guide rod is in sliding connection with the sliding block of the sliding block, the contact switch is arranged at the end of the guide rod, the guide rod is in sliding connection with the sliding block of the sliding block, the spray head is opened when the guide rod is in contact with the contact switch, and the spray head is closed when the guide rod is separated from the contact switch.
Preferably, the face changing assembly comprises a support plate, a connecting rod, a second spring, a sliding plate, a limiting rod, a shaft rod and a starting strip, one end of the shaft rod is rotationally connected with the brush roller, the other end of the shaft rod is fixedly connected with the sliding block, the position of the shaft rod, which is fixedly connected with the brush roller, of the four points of the brush roller is provided with the limiting rod and the limiting rod, the center of the shaft rod is fixedly connected with the sliding plate, the sliding plate is far away from the center of one side of the limiting rod, the connecting rod is fixedly connected with the connecting rod, the second spring is sleeved on the connecting rod, the connecting rod is in sliding connection with the brush roller, the support plate and the support plate are arranged on two sides of the brush roller in four ways, the support plate is arranged on the side edge of the brush roller in a anticlockwise manner, the support plate is in transmission connection with the starting strip, and the starting strip is fixedly connected with the bottom wall plate of the side hole.
Preferably, the storage assembly comprises a third guide groove, a U-shaped groove, a sliding plate, a third spring, a sliding column, a fixed column and a door plate, wherein the U-shaped groove is in sliding connection with the shaft rod, the third guide groove is formed in the U-shaped groove, the sliding plate is connected in a sliding manner in the third guide groove, the sliding plate is connected with the shaft rod in a transmission manner, the fixed column is sleeved at the bottom of the sliding plate in a sliding manner, the third spring is sleeved on the fixed column, the fixed column is fixedly connected inside a side wall plate of the storage groove, the sliding column is sleeved inside the fixed column in a sliding manner, the sliding column is fixedly connected to a top wall plate at the sliding sleeve joint position of the sliding plate, the door plate is hinged to two side wall plates at the top of the storage groove, and the door plate has the functions of bidirectional rotation and automatic reset.
The invention has the beneficial effects that:
the transmission assembly enables the first bevel gear and the fourth bevel gear to rotate in the same direction at the same time, so that the brush roller is driven to effectively clean the display screen, through the use of the switch assembly, the disinfectant is effectively prevented from being sprayed by the spray heads too much, after the disinfectant is sprayed, the brush roller continues to move downwards to effectively clean the display screen, meanwhile, the disinfectant sprayed by the spray heads is smeared on the display screen, on one hand, the display screen is disinfected and sterilized, and on the other hand, heat on the display screen can be taken away through volatilization of the disinfectant.
Further, drive assembly makes the cover board expose the inner panel, carries out effectual heat dissipation through the bleeder vent on the inner panel to the heat that the display screen distributes out simultaneously, and when the cover board did not open, effectually prevented that moisture in the air from condensing into the inside of drop attached to the shell, and then caused the risk of short circuit, and when the slider risen, further prevented that moisture in the air from condensing into the inside of drop attached to the shell, caused the risk of short circuit, guaranteed the inside drying of shell again simultaneously.
2. Through the use of face replacement subassembly and storage subassembly effectually prevented the surperficial ash that falls of brush roller, the time of use of effectual increase brush roller has reduced the number of times of changing the brush roller, and make the brush roller rotate 90 degrees when the slider rises, effectually change the face of brush roller, prevent to carry out clear face to the disinfectant on the display screen at the slider decline in-process and continue to clean the display screen, because the cleaning cloth that contains water often can leave dirty thing on the display screen, and dry cleaning cloth then can not, effectually guaranteed the cleanness of display screen, can guarantee again simultaneously that the face that is dry on the brush roller cleans the display screen when opening the display screen next time.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an LCD display with a liquid crystal light valve according to a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged schematic view of portion A shown in FIG. 2;
FIG. 4 is an enlarged schematic view of portion B shown in FIG. 2;
FIG. 5 is an enlarged schematic view of the switch assembly shown in FIG. 2;
FIG. 6 is a schematic view of the face changing assembly of FIG. 2;
FIG. 7 is a schematic view of the housing assembly shown in FIG. 2;
fig. 8 is an exploded view of the connection structure of the receiving groove and the brush roller shown in fig. 1.
In the figure: 1. a housing; 11. a connecting pipe; 12. a spray head; 13. a display screen; 14. a first guide groove; 15. a side hole; 16. a storage groove; 17. a brush roller; 18. a sleeve plate; 19. an inner plate; 2. a transmission assembly; 21. a motor; 22. a first bevel gear; 23. rotating the column; 24. a second bevel gear; 25. a transmission shaft; 26. a screw rod; 27. a third bevel gear; 28. a fourth bevel gear; 3. a linkage assembly; 31. a slide block; 32. a first pulley; 33. a second pulley; 34. a connecting rope; 35. a chute; 36. barrel a; 37. barrel b; 38. a connecting rope; 39. a roller; 4. a switch assembly; 41. a fixing rod; 42. a boss; 43. a second guide groove; 44. a guide bar; 45. a first spring; 46. a contact switch; 47. a groove; 5. a face changing assembly; 51. a support plate; 52. a connecting rod; 53. a second spring; 54. a sliding plate; 55. a limit rod; 56. a shaft lever; 57. a start bar; 6. a receiving assembly; 61. a third guide groove; 62. a U-shaped groove; 63. a slide plate; 64. a third spring; 65. a sliding column; 66. fixing the column; 67. and (5) a door plate.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
The invention provides a liquid crystal light valve LCD display, which solves the problems that the advertisement LCD display installed in an elevator in a region with high temperature and humidity is easy to cause condensation of water drops in the display and short circuit because a large number of people come in and go out to disinfect the elevator frequently and the LCD display works for a long time because of the environment of damp and heat.
Referring to fig. 1-8, the LCD display of the liquid crystal shutter according to the present invention includes a housing 1, side holes 15 are formed on two side edges of the housing 1, first guide grooves 14 are formed on two sides of the side holes 15, a sleeve plate 18 is slidably connected in the first guide grooves 14, an inner plate 19 is slidably connected in the sleeve plate 18, a plurality of uniform ventilation holes are formed in the inner plate 19, a linkage assembly 3 is disposed on the sleeve plate 18, a display screen 13 is disposed at a center of the housing 1, a plurality of spray heads 12 are disposed at a position of the top of the display screen 13 on the housing 1, the spray heads 12 are communicated with a connecting pipe 11, the connecting pipe 11 penetrates through a side edge of the housing 1, a transmission assembly 2 is disposed in the housing 1, a brush roller 17 is in transmission connection with the brush roller 17, the brush roller 17 is slidably connected with the display screen 13, the brush roller 17 is disposed in the housing 1, a receiving slot 16 is disposed at a bottom of the brush roller 17, the receiving slot 16 is disposed below the display screen 13 and slidably connected with the housing 1, the transmission assembly 2 is in transmission connection with the linkage assembly 3, the switch assembly 4 is in transmission connection with the assembly 3, the switch assembly 4 controls the switch assembly 4 to open and close the spray heads 6, and the receiving the brush roller assembly 6 is disposed on the receiving the brush roller assembly 6.
The transmission assembly 2 comprises a motor 21, a first bevel gear 22, a rotating cylinder 23, a second bevel gear 24, a transmission shaft 25, a screw rod 26, a third bevel gear 27 and a fourth bevel gear 28, wherein the motor 21 is fixedly connected to a shell 1 at the top of one side of the display screen 13, the first bevel gear 22 is fixedly connected to an output shaft of the motor 21, the second bevel gear 24 is in meshed connection with the first bevel gear 22, the transmission shaft 25 is fixedly connected to the transmission shaft 25, the transmission shaft 25 is positioned at the top of the display screen 13 and is horizontal in direction, one end, far away from the second bevel gear 24, of the transmission shaft 25 is fixedly connected with the third bevel gear 27, the third bevel gear 27 is in meshed connection with the fourth bevel gear 28, the axial direction of the fourth bevel gear 28 is identical to that of the first bevel gear 22, the transmission shaft 25 drives the fourth bevel gear 28 through the third bevel gear 27, the rotating direction of the fourth bevel gear 22 is identical to that of the first bevel gear 22, the bottom of the first bevel gear 22 and the third bevel gear 27 is fixedly connected to the top of the rotating cylinder 23, the bottom of the rotating cylinder 23 is fixedly connected to the screw rod 26, the screw rod 26 is in meshed connection with the shell 1 and the screw rod 26 is positioned at the two sides of the display screen 13, and the screw rod assembly is in two sides of the two-way, and the screw rod assembly is in linkage with the screw rod assembly 4 is connected to the screw rod assembly 3.
The linkage assembly 3 comprises a sliding block 31, a first pulley 32, a second pulley 33, a connecting rope 34, a sliding groove 35, a spring box a36, a spring box b37, a connecting rope 38 and a roller 39, wherein the sliding block 31 is respectively positioned at two ends of the brush roller 17 and fixedly connected with the brush roller 17 through a surface changing assembly 5, the sliding block 31 is in threaded sleeve joint with the screw rod 26, the connecting rope 34 is fixedly connected to one side of the top of the sliding block 31, the inside of the shell 1 is rotatably connected with the first pulley 32 at the top of the sleeve plate 18, the inside of the shell 1 is rotatably connected with the second pulley 33 at the top of the sleeve plate 18, the connecting rope 34 is in rolling connection with the first pulley 32 and the second pulley 33, one end of the connecting rope 34 far away from the sliding block 31 is connected with the spring box a36, the connecting rope 34 is fixedly connected with the spring box a36 inside, the spring box a36 is fixedly connected with the spring box a, the length of the spring box a36 inside is the same as the distance between the sleeve plate 18 and the second pulley 33, the center of the top of the sleeve plate 19 is fixedly connected with the spring box b37, the inner plate 37 is connected with the inner plate 38 is connected with the two sides of the inner plate 35 through the sliding groove 39, and the connecting rope is fixedly connected with the two sides of the inner plate 38 at the top of the sleeve plate 18.
Further, the switch assembly 4 includes a fixing rod 41, a boss 42, a second guide groove 43, a guide rod 44, a first spring 45, a contact switch 46 and a groove 47, the fixing rod 41 is fixedly connected to one side of the slider 31 far away from the brush roller 17, the groove 47 is formed in the side edge of the slider 31, the groove 47 is slidably connected with the fixing rod 41, a second guide groove 43 is formed in a side wall plate of the groove 47 far away from the slider 31, the boss 42 is slidably connected with the fixing rod 41, a contact surface of the boss 42 and the fixing rod 41 is conical, a guide rod 44 is fixedly connected to the center of one end of the boss 42 far away from the conical surface, a first spring 45 is sleeved on the guide rod 44, two ends of the first spring 45 are fixedly connected to the boss 42 and a wall plate of the second guide groove 43 respectively, the guide rod 44 is slidably connected with the housing 1, the contact switch 46 is arranged at the end of the sliding connection part of the guide rod 44 and the housing 1, and the nozzle 12 is opened when the guide rod 44 is in contact with the contact switch 46, and the nozzle 12 is closed when the guide rod 44 is separated from the contact switch 46.
The surface changing assembly 5 comprises a support plate 51, a connecting rod 52, a second spring 53, a sliding plate 54, a limiting rod 55, a shaft rod 56 and a starting bar 57, one end of the shaft rod 56 is rotationally connected with the brush roller 17, the other end of the shaft rod 56 is fixedly connected with the sliding block 31, the limiting rod 55 is arranged at the rotational connection position of the shaft rod 56 and the brush roller 17, the limiting rods 55 are respectively and fixedly connected with the positions of four vertexes of the brush roller 17 at the center of the shaft rod 56, the sliding plate 54 is clamped with the limiting rod 55, the connecting rod 52 is fixedly connected with the center of one side of the sliding plate 54 far away from the limiting rod 55, the connecting rod 52 is sleeved with the second spring 53 in a sleeved mode, the connecting rod 52 is slidingly connected with the brush roller 17, the support plate 51 and the support plate 51 are arranged on two sides of the brush roller 17, the support plate 51 is anticlockwise arranged on the side edge of the brush roller 17, the support plate 51 is in a transmission connection with the starting bar 57, and the starting bar 57 is fixedly connected with the bottom wall plate of the side hole 15.
Wherein, accomodate subassembly 6 includes third guide slot 61, U-shaped groove 62, slide 63, third spring 64, sliding column 65, fixed column 66 and door plant 67, U-shaped groove 62 and axostylus axostyle 56 sliding connection, third guide slot 61 has been seted up on the U-shaped groove 62, sliding connection has slide 63 in the third guide slot 61, slide 63 and axostylus axostyle 56 transmission are connected, fixed column 66 has been cup jointed in the bottom slip of slide 63, third spring 64 has been cup jointed on the fixed column 66, fixed column 66 fixed connection is inside the side wallboard of accomodating the groove 16, sliding column 65 has been cup jointed in the inside slip of fixed column 66, sliding column 65 fixed connection is on the top wallboard of slide 63 inside and fixed column 66 slip joint department, door plant 67 articulates on the top both sides wallboard of accomodating the groove 16, door plant 67 has two-way rotation and automatic re-setting's function.
Working principle: when the invention is used, when the display screen 13 needs to be disinfected, the control software controls the controller connected with the motor 21 to work, the motor 21 is a miniature forward and reverse rotation motor, at the moment, the motor 21 is electrified to run, the first bevel gear 22 is driven to rotate through the rotation of the motor 21, the first bevel gear 22 is meshed with the second bevel gear 24, the rotation of the first bevel gear 22 drives the third bevel gear 27 to rotate through the second bevel gear 24, the rotation of the third bevel gear 27 drives the fourth bevel gear 28 to rotate, the first bevel gear 22 and the fourth bevel gear 28 are driven to rotate simultaneously, the rotation cylinders 23 positioned at two sides of the display screen 13 are driven to rotate effectively, the screw rods 26 are driven to rotate effectively through the rotation of the rotation cylinders 23, the rotation directions of the two screw rods 26 are opposite, the sliding block 31 is driven to move downwards through the rotation of the screw rods 26, and then drives the brush roller 17 to move downwards, when the sliding block 31 moves to the position of the boss 42 in the switch assembly 4, the fixing rod 41 presses the boss 42, and then the first spring 45 contracts, and then the boss 42 drives the guide rod 44 to slide, and then the guide rod 44 contacts with the contact switch 46 and opens the contact switch 46, so that the spray head 12 sprays disinfectant on the display screen 13, along with the movement of the sliding block 31, after the fixing rod 41 is separated from the boss 42, the contact of the guide rod 44 and the contact switch 46 is also separated, the boss 42 is reset through the elastic force of the first spring 45, the contact switch 46 is closed after the contact switch 46 is separated from the guide rod 44, and then the spray head 12 is closed, in this process, the contact time of the guide rod 44 and the contact switch 46 is short, the excessive spray of the disinfectant by the spray head 12 is effectively prevented, after the spray of the disinfectant, the brush roller 17 continues to move downwards, the display screen 13 is effectively cleaned, meanwhile, the disinfectant sprayed by the spray head 12 is smeared on the display screen 13, so that the display screen 13 is disinfected and sterilized on one hand, and on the other hand, heat on the display screen 13 can be taken away through volatilization of the disinfectant.
In the process that the screw rod 26 drives the sliding block 31 to move downwards, the sliding block 31 drives the connecting rope 34 to move, the connecting rope 34 is used for drawing the spring inside the spring box a36 through the guiding function of the first pulley 32 and the second pulley 33, after the spring inside the spring box a36 is drawn, the connecting rope 34 drives the sleeve plate 18 to move upwards through the spring box a36, so that the inner plate 19 is exposed, meanwhile, the air holes in the inner plate 19 are used for effectively radiating heat emitted by the display screen 13, and when the sleeve plate 18 is not opened, moisture in air is effectively prevented from being condensed into water beads to be attached to the inside of the shell 1, and the risk of short circuit is further caused.
When the sliding block 31 moves to the bottom of the screw rod 26, the starting strip 57 positioned at the bottom of the side hole 15 contacts with the supporting plate 51, meanwhile, the supporting plate 51 drives the brush roller 17 to rotate, and when the sliding block 31 moves to the inside of the containing groove 16, the brush roller 17 rotates by more than 45 degrees, and when the two supporting plates 51 contacted with the starting strip 57 clamp the brush roller 17 with the starting strip 57, the brush roller 17 is prevented from continuing to rotate, meanwhile, the shaft lever 56 downwards presses the sliding plate 63, and the third spring 64 is contracted, at the moment, a part of the fixing column 66 is contained in the inside of the sliding plate 63, the sliding column 65 is contained in the inside of the fixing column 66, the brush roller 17 downwards presses the door plate 67, when the brush roller 17 downwards presses the door plate 67 until the brush roller 17 is not contacted with the door plate 67, the door plate 67 automatically resets, the containing groove 16 is closed, the dust falling on the surface of the brush roller 17 is effectively prevented, the effective increased service time of the brush roller 17 reduces the frequency of replacing the brush roller 17, when the sliding block 31 travels to the bottom of the lower part, the motor 21 can be reversed, the sliding block 31 is driven to ascend by the reversing of the motor 21, when the sliding block 31 drives the brush roller 17 to ascend to the upper part of the starting strip 57, the starting strip 57 is not clamped with the supporting plate 51 any more, the elastic force acted on the sliding plate 54 by the second spring 53 enables the sliding plate 54 to apply an elastic force to the limiting rod 55, the brush roller 17 is further rotated with the shaft lever 56, the brush roller 17 is further rotated for 90 degrees, the surface of the brush roller 17 is effectively replaced, the surface of the disinfectant on the display screen 13 is prevented from being cleaned continuously in the descending process of the sliding block 31, dirty objects are always left on the display screen 13 due to the cleaning cloth containing water, and dry cleaning cloth is not required, effectively ensuring the cleanliness of the display screen 13.
During the lifting of the slide 31, the spring barrel b37 applies a downward force to the sleeve plate 18 through the connecting rope 38, and as no force is applied by the slide 31 through the connecting rope 34, the sleeve plate 18 descends and the inner plate 19 is sleeved, during the use of the display 13, the interior of the shell 1 is dried by the residual heat of the display 13, the risk that moisture in the air is condensed into water drops attached to the interior of the shell 1 due to a large day-night temperature difference is further prevented, and short circuit is caused, and meanwhile, the drying of the interior of the shell 1 is ensured, and during the process, the spring barrel a36 can store the spring, and meanwhile, the spring barrel b37 can store the connecting rope 38 and reset the connecting rope 34.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A liquid crystal light valve LCD display comprising a housing (1), characterized in that: side holes (15) are formed in the side edges of two sides of the shell (1), first guide grooves (14) are formed in the two sides of the side holes (15), sleeve plates (18) are connected inside the first guide grooves (14) in a sliding mode, inner plates (19) are connected inside the sleeve plates (18) in a sliding mode, and a plurality of uniform ventilation holes are formed in the inner plates (19);
the utility model is characterized in that a linkage assembly (3) is arranged on a sleeve plate (18), a display screen (13) is arranged at the center of the shell (1), a plurality of spray heads (12) are arranged at the position, which is positioned at the top of the display screen (13), of the shell (1), the spray heads (12) are communicated with a connecting pipe (11), the connecting pipe (11) penetrates through the side edge of the shell (1), a transmission assembly (2) is arranged in the shell (1), a brush roller (17) is connected with the transmission assembly (2) in a transmission manner, the brush roller (17) is in sliding connection with the display screen (13), the brush roller (17) is positioned in the shell (1), a containing groove (16) is arranged at the bottom of the brush roller (17), the containing groove (16) is positioned below the display screen (13) and is in sliding connection with the shell (1),
the device is characterized in that the transmission assembly (2) is in transmission connection with the linkage assembly (3), the linkage assembly (3) is in transmission connection with the switch assembly (4), the switch assembly (4) controls the opening and closing of the spray head (12), the two sides of the brush roller (17) are provided with the surface changing assemblies (5), and the storage groove (16) is provided with the storage assembly (6);
trade face subassembly (5) including extension board (51), connecting rod (52), second spring (53), sliding plate (54), spacing stick (55), axostylus axostyle (56) and start-up strip (57), the one end and the brush roller (17) rotation of axostylus axostyle (56) are connected, the other end and slider (31) fixed connection of axostylus axostyle (56), be equipped with spacing stick (55) and spacing stick (55) on axostylus axostyle (56) altogether four respectively fixed connection in the position department of four summit of axostylus axostyle (56) center department towards brush roller (17), equal joint of spacing stick (55) has sliding plate (54), one side center department fixedly connected with connecting rod (52) of spacing stick (55) is kept away from to sliding plate (54), second spring (53) have been cup jointed on connecting rod (52), the both sides of brush roller (17) are equipped with extension board (51) and extension board (51) have four altogether, side opening (51) are connected at the top of brush roller (17) side of the fixed connection strip (57).
2. A liquid crystal light valve LCD display according to claim 1, wherein: the transmission assembly (2) comprises a motor (21), a first bevel gear (22), a rotary cylinder (23), a second bevel gear (24), a transmission shaft (25), a screw rod (26), a third bevel gear (27) and a fourth bevel gear (28), wherein,
the motor (21) is fixedly connected to the shell (1) at the top of one side of the display screen (13), a first bevel gear (22) is fixedly connected to an output shaft of the motor (21), a second bevel gear (24) is connected to the first bevel gear (22) in a meshed mode, a transmission shaft (25) is fixedly connected to the second bevel gear (24), the transmission shaft (25) is positioned at the top of the display screen (13) and is horizontal in direction, one end, far away from the second bevel gear (24), of the transmission shaft (25) is fixedly connected with a third bevel gear (27), the third bevel gear (27) is connected with a fourth bevel gear (28) in a meshed mode, the axial direction of the fourth bevel gear (28) is identical to the axial direction of the first bevel gear (22), the transmission shaft (25) drives the fourth bevel gear (28) to be identical to the first bevel gear (22) through the third bevel gear (27), the bottoms of the first bevel gear (22) and the third bevel gear (27) are fixedly connected with a rotary column (23) respectively, the first bevel gear (22) and the bottoms of the third bevel gear (27) are fixedly connected to the rotary columns (23) respectively, the rotary columns (26) are fixedly connected to the screw rods (26) at the two sides of the top of the display screen (13), the screw rod (26) is in transmission connection with the linkage assembly (3), and the switch assembly (4) is arranged below the fourth bevel gear (28).
3. A liquid crystal light valve LCD display according to claim 1, wherein: the linkage assembly (3) comprises a sliding block (31), a first pulley (32), a second pulley (33), a connecting rope (34), a sliding groove (35), a spring box a (36), a spring box b (37), a connecting rope (38) and rollers (39), wherein the sliding block (31) is totally two, the sliding block (31) is respectively positioned at two ends of the brush roller (17) and is fixedly connected with the brush roller (17) through a surface changing assembly (5), the sliding block (31) is in threaded sleeve connection with a screw rod (26), one side of the top of the sliding block (31) is fixedly connected with the connecting rope (34), the first pulley (32) is rotationally connected to the top of one side of the sliding block (31) in the interior of the shell (1), the second pulley (33) is rotationally connected to the top of the sleeve plate (18), and the connecting rope (34) is in rolling connection with the first pulley (32) and the second pulley (33).
One end of the connecting rope (34) far away from the sliding block (31) is connected with a spring box a (36), the connecting rope (34) is fixedly connected with a spring stored in the spring box a (36), the spring box a (36) is fixedly connected to the center of the top of the sleeve plate (18), and the length of the spring stored in the spring box a (36) is the same as the distance between the sleeve plate (18) and the second pulley (33);
the spring barrel is characterized in that a spring barrel b (37) is fixedly connected to the center of the top of the inner plate (19), a connecting rope (38) is contained in the spring barrel b (37), the length of the connecting rope (38) is the same as that of a spring contained in the spring barrel a (36), the connecting rope (38) is fixedly connected with the inner top of the sleeve plate (18), sliding grooves (35) are formed in the two sides of the inner portion of the sleeve plate (18), rollers (39) are connected with the inner plate (19) in a rolling mode, and the rollers (39) are connected with the inner plate (19) in a rotating mode through connecting pieces located on the two sides of the top of the inner plate (19).
4. A liquid crystal light valve LCD display according to claim 3, wherein: the switch component (4) comprises a fixed rod (41), a boss (42), a second guide groove (43), a guide rod (44), a first spring (45), a contact switch (46) and a groove (47), wherein the fixed rod (41) is fixedly connected to one side of the sliding block (31) far away from the brush roll (17), the groove (47) is formed in the shell (1) and is positioned at the side edge of the sliding block (31), the groove (47) is in sliding connection with the fixed rod (41), the second guide groove (43) is formed in a wall plate on one side of the groove (47) far away from the sliding block (31), the boss (42) is in sliding connection with the fixed rod (41), the contact surface of the boss (42) and the fixed rod (41) is conical, the guide rod (44) is fixedly connected to the center of one end of the boss (42) far away from the conical surface, the first spring (45) is sleeved on the guide rod (44), the two ends of the first spring (45) are fixedly connected to the boss (42) and the second guide groove (43) respectively, the boss (42) is connected to the end of the contact rod (44) and the contact rod (46) in sliding connection with the shell (1), the spray head (12) is opened when the guide rod (44) is in contact with the contact switch (46), and the spray head (12) is closed when the guide rod (44) is separated from the contact switch (46).
5. A liquid crystal light valve LCD display according to claim 1, wherein: the storage assembly (6) comprises a third guide groove (61), a U-shaped groove (62), a sliding plate (63), a third spring (64), a sliding column (65), a fixed column (66) and a door plate (67), wherein the U-shaped groove (62) is in sliding connection with a shaft rod (56), the third guide groove (61) is formed in the U-shaped groove (62), the sliding plate (63) is connected in a sliding manner in the third guide groove (61), the sliding plate (63) is in transmission connection with the shaft rod (56), the bottom of the sliding plate (63) is in sliding connection with the fixed column (66), the fixed column (66) is connected inside a side wall plate of the storage groove (16) in a sleeved manner, the sliding column (65) is fixedly connected to a top wall plate of the sliding sleeve joint position of the inside the sliding plate (63), the door plate (67) is hinged to two sides of the top of the storage groove (16), and the door plate (67) has an automatic rotating and resetting function in a bidirectional manner.
CN202210449433.XA 2022-04-26 2022-04-26 LCD display with liquid crystal light valve Active CN114873396B (en)

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