CN114857427B - Dynamically driven liquid crystal display - Google Patents
Dynamically driven liquid crystal display Download PDFInfo
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- CN114857427B CN114857427B CN202210415197.XA CN202210415197A CN114857427B CN 114857427 B CN114857427 B CN 114857427B CN 202210415197 A CN202210415197 A CN 202210415197A CN 114857427 B CN114857427 B CN 114857427B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 44
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- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
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- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other 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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention is suitable for the technical field of displays, and provides a dynamically driven liquid crystal display, which comprises: a display main body; the worm wheel is arranged in the middle of the display main body back shell, and a shaft rod is arranged on the middle shaft part of the worm wheel; the connecting frame is rotationally connected with the shaft lever; and the adjusting mechanism is arranged at the side wall end of the connecting frame and is used for reducing the rotation amplitude of the worm wheel relative to the connecting frame in the wall surface mode. According to the invention, the adjusting mechanism is arranged, so that the worm can be rotated when the display main body is adjusted, the display main body swings relative to the connecting frame, the angle of the display main body is adjusted, after the display main body is converted into a wall surface mode through the mode conversion mechanism, the trapezoidal block is just positioned at one end of the positioning pin, the positioning pin is extruded to enable one end of the positioning pin to be inserted into the clamping groove, the rotation angle of the display main body is limited through the positioning pin, and the service life of the equipment is prolonged.
Description
Technical Field
The invention belongs to the technical field of displays, and particularly relates to a dynamically driven liquid crystal display.
Background
The liquid crystal display is an active matrix liquid crystal display driven by means of thin film transistor, and it mainly uses current to stimulate liquid crystal molecules to produce point, line and plane matching with back lamp tube to form picture, and the working principle is that under the action of electric field, the arrangement direction of liquid crystal molecules is changed to change (modulate) the light transmittance of external light source to implement electro-optical conversion, and then the different excitations of R, G and B three primary colour signals are used to implement colour reproduction of time domain and space domain by means of red, green and blue three primary colour filter films.
Generally, a liquid crystal display has two installation modes, one is to place a display main body on a desktop through a support frame, the other is to fix the display main body on a wall surface by an installation frame, the support base is also required to be disassembled when the display main body is installed on the wall surface, then the installation plate used for installing the display main body on the wall surface is fixed at one end of the display main body, the use is very inconvenient, the display angle of the display cannot be adjusted and limited, the swing angle of the display can be larger due to the fact that the display is placed in a larger movable space behind the desktop, the display can be obstructed by the wall surface after the display is installed on the wall surface, the swing angle of the display can be adjusted without protective measures, the display screen can collide with the wall surface in the angle adjusting process, if the angle adjustment is not found in time and stopped, the mutual extrusion damage of the display screen and the wall surface can be possibly caused.
SUMMERY OF THE UTILITY MODEL
The invention provides a dynamically driven liquid crystal display, and aims to solve the problems that the display is inconvenient to change from a desktop mode to a wall mode and the angle of the display is inconvenient to adjust.
The present invention is thus achieved, a dynamically driven liquid crystal display comprising: a display main body; the worm wheel is arranged in the middle of the display main body back shell, and a shaft rod is arranged on the middle shaft part of the worm wheel; are connected with the two ends of the shaft lever, the connecting frame is rotationally connected with the shaft lever; the worm is arranged on one side of the worm wheel and meshed with the worm wheel; the connecting frame is sleeved at the lower end of the worm and is in rotary connection with the worm; the connecting frame is fixedly connected with the mode conversion mechanism and used for replacing the installation mode of the display main body, and the installation mode at least comprises a desktop mode and a wall surface mode; and the adjusting mechanism is arranged at the side wall end of the connecting frame and used for reducing the rotation amplitude of the worm wheel relative to the connecting frame in the wall surface mode so as to ensure that the maximum rotatable amplitude of the display main body in the wall surface mode keeps a safe distance with a wall surface.
Preferably, the mode switching mechanism includes: a frame; a screw rod is arranged on the inner side of the frame; the limiting sliding block is arranged between the inner side of the frame and the outer side of the screw rod; the rotating rods are arranged at two ends of the limiting sliding block, an L-shaped supporting plate is fixed on one side of each rotating rod, and a mounting plate is fixed on the top of each L-shaped supporting plate; a straight gear sleeved on the outer wall of the rotating rod; a spur rack fixed on one side of the frame and meshed with the spur gear; and the trapezoidal block is fixedly arranged on the limiting slide block.
Preferably, the outer wall of worm wheel is cut with a plane portion, the plane portion of worm wheel with the backshell middle part fixed connection of display main part, the axostylus axostyle with the link passes through the bearing and rotates and be connected, the draw-in groove has all been seted up at the axostylus axostyle both ends.
Preferably, the adjustment mechanism includes: a first fixed block; the second fixed block is arranged on one horizontal side of the first fixed block; the positioning pin penetrates through the middle parts of the first fixing block and the second fixing block and is in relative sliding connection with the penetrating parts of the first fixing block and the second fixing block; the connecting block is arranged in the middle of the outer wall of the positioning pin; and the telescopic spring is sleeved on the positioning pin and is positioned between the first fixing block and the connecting block.
Preferably, the length of the thread part arranged on the outer side of the screw rod is equal to that of the straight rack, and the length of the straight rack is three-quarters of the circumference of the outer side of the straight gear.
Preferably, the inner side of the limiting slide block is provided with a threaded hole matched with the outer side of the screw rod, and the outer side of the limiting slide block is attached to the inner wall of the frame.
Preferably, when the installation mode is switched to the wall surface mode, the trapezoidal block is in contact with the positioning pin, the positioning pin is pushed into the inner side of the clamping groove, and a ball is installed at one end, close to the trapezoidal block, of the positioning pin.
Preferably, the width of the clamping groove is larger than the diameter of one end of the positioning pin.
Preferably, the straight gear is meshed with a latch on one side of the straight rack, and the rotating rod is rotatably connected with the limiting sliding block through a bearing.
The embodiment of the present application provides a dynamically driven liquid crystal display, including: a display main body; the connecting frame is arranged at one end of the display main body; a mode switching mechanism provided at one end of the connection frame for switching an installation mode of the display main body; and the adjusting mechanism is arranged on the inner side of the connecting frame and is used for adjusting the angle of the display main body. Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
1. the adjusting mechanism is arranged, when the display main body is placed on a desktop in a desktop mode, the worm can be rotated, when the worm rotates, the worm can enable the display main body to swing relative to the connecting frame through the worm wheel, so that the angle of the display main body is adjusted, at the moment, the swinging angle of the display main body is larger, when the display main body is converted into a wall mode through the mode conversion mechanism, the trapezoidal block is just positioned at one end of the positioning pin, at the moment, the positioning pin is extruded to enable one end of the positioning pin to be inserted into the clamping groove, at the moment, the angle of the display main body can be adjusted in a self-adaptive mode through the positioning pin, at the moment, when the angle of the display is adjusted again, the worm is rotated to enable the display to slightly swing, so that the friction between the display main body and the wall due to the overlarge rotating angle is prevented, the service life of the device is prolonged, and in addition, when the display main body is switched into the desktop mode, the adjusting mechanism cannot interfere with the angle adjustment of the display main body to a large extent;
2. through setting up the mode shifter, accessible L shape backup pad supports the display main part when using this equipment, alright place the display main part on the desktop this moment, can rotate the lead screw earlier when needing to install the display main part at the wall, the lead screw can make limit slider along lead screw rebound when rotating, make L shape backup pad drive mounting panel with this and take place to rotate, when limit slider moves to the highest point, L shape backup pad just in time rotates two hundred seventy degrees, mounting panel and display main part at this moment are in the parallel state, later alright install the display main part at the wall through the mounting panel, thereby a large amount of time has been saved, facilitate for the installation of equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the mode shift mechanism of the present invention;
FIG. 3 is a schematic view of the adjustment mechanism of the present invention;
FIG. 4 is a schematic structural diagram of a spacing block of the present invention;
FIG. 5 is a schematic view of the worm gear of the present invention;
FIG. 6 is a schematic view of the structure of the connecting frame of the present invention;
fig. 7 is a schematic view of the locating pin structure of the present invention.
In the figure: 1. a display main body; 2. a turbine; 3. an adjustment mechanism; 301. a first fixed block; 302. a second fixed block; 303. positioning pins; 304. connecting blocks; 305. a tension spring; 307. a card slot; 4. a mode switching mechanism; 401. an L-shaped support plate; 402. mounting a plate; 403. a rotating rod; 404. a limiting slide block; 405. straight rack; 406. a frame; 407. a screw rod; 408. a spur gear; 409. a trapezoidal block; 5. a connecting frame; 6. a worm.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
An embodiment of the present invention provides a dynamically driven liquid crystal display, as shown in fig. 1 to 7, including: a display main body 1; the worm wheel 2 is arranged in the middle of the back shell of the display main body 1, and a shaft lever is arranged on the middle shaft part of the worm wheel 2; a connecting frame 5 connected with two ends of the shaft lever and rotationally connected with the shaft lever; a worm 6 arranged on one side of the worm wheel 2 and meshed with the worm wheel 2; the connecting frame 5 is sleeved at the lower end of the worm 6, and the connecting frame 5 is rotatably connected with the worm 6; the mode switching mechanism 4 is arranged at the back end of the connecting frame 5, the connecting frame 5 is fixedly connected with the mode switching mechanism 4 and is used for replacing the installation mode of the display main body 1, and the installation mode at least comprises a desktop mode and a wall surface mode; and the adjusting mechanism 3 is arranged at the side wall end of the connecting frame 5 and is used for reducing the rotating amplitude of the worm wheel 2 relative to the connecting frame 5 in the wall surface mode so as to ensure that the maximum rotating amplitude of the display main body 1 in the wall surface mode keeps a safe distance with the wall surface.
In this embodiment, the dynamically driven liquid crystal display includes a display main body 1, a worm wheel 2, an adjusting mechanism 3, a mode switching mechanism 4, a connecting frame 5 and a worm 6, the worm wheel 2 is fixedly installed on the back of the display main body 1, a shaft rod is connected in series with the shaft rod in the worm wheel 2, the connecting frame 5 is rotatably connected with two ends of the shaft rod, the worm 6 is installed on the connecting frame 5, the connecting frame 5 is rotatably connected with the worm 6 through a bearing, a gear on the worm 6 is meshed with a gear on the worm wheel 2, the structure can drive the worm wheel 2 on the back of the display main body 1 to rotate by screwing the worm 6, so that the angle adjustment of the display main body 1 is facilitated, and a user can adjust an optimal viewing angle; the mode switching mechanism 4 is fixedly connected to the back end of the connecting frame 5, the mode switching mechanism 4 is used for different installation modes of the display main body 1, the installation modes comprise a desktop mode and a wall surface mode, different installation modes are met, the desktop installation mode can be changed into the wall surface installation mode through adjusting the mode switching mechanism 4, and conversely, the wall surface installation mode can be changed into the desktop installation mode through adjusting the mode switching mechanism 4; the adjusting mechanism 3 is arranged on the side wall of the connecting frame 5, the adjusting mechanism 3 is designed to install the display main body 1 on the wall surface after the desktop mode is changed to the wall surface mode, and after the display main body 1 is installed on the wall surface, the mode conversion mechanism 4 and the adjusting mechanism 3 are mutually matched to limit the rotating angle of the display main body 1 in an interval manner so as to prevent the display main body 1 from being damaged due to collision with the wall surface due to overlarge rotating angle.
In a further preferred embodiment of the present invention, as shown in fig. 1, 2 and 4, the mode switching mechanism 4 includes: a frame 406; a screw rod 407 is arranged inside the frame 406; a limiting slide block 404 arranged between the inner side of the frame 406 and the outer side of the screw rod 407; the rotating rods 403 are arranged at two ends of the limiting sliding block 404, an L-shaped supporting plate 401 is fixed at one side of each rotating rod 403, and a mounting plate 402 is fixed at the top of each L-shaped supporting plate 401; a spur gear 408 sleeved on the outer wall of the rotating rod 403; a spur rack 405 fixed to one side of the frame 406 and engaged with the spur gear 408; and a trapezoidal block 409 fixed on the limiting slide block.
In this embodiment, when the device is used, the L-shaped support plate 401 may support the display main body 1, and at this time, the display main body 1 may be placed on a desktop, when the display main body 1 needs to be installed on a wall, the lead screw 407 may be rotated first, and when the lead screw 407 rotates, the limit slider 404 may move upward along the lead screw 407, and in this process, the spur gear 408 may rotate along the spur rack 405, so that the L-shaped support plate 401 may drive the mounting plate 402 to rotate, and when the limit slider 404 moves to the highest position, the L-shaped support plate 401 may rotate exactly two hundred and seventy degrees, and the mounting plate 402 and the display main body 1 at this time are in a parallel state, and then the display main body 1 may be installed on the wall through the mounting plate 402, thereby saving a lot of time, and providing convenience for installation of the device, and similarly, the L-shaped support plate 401 may be rotated to the lower side of the display main body 1 by rotating the lead screw 407 in the direction, so as to perform replacement between a desktop mode and a wall mode of the display main body 1, and providing convenience for installation and placement of the device.
In a further preferred embodiment of the present invention, as shown in fig. 1 and 5, the outer wall of the worm wheel 2 is cut with a plane portion, the plane portion of the worm wheel 2 is fixedly connected with the middle portion of the back shell of the display main body 1, the shaft rod is rotatably connected with the connecting frame 5 through a bearing, and two ends of the shaft rod are both provided with a slot 21.
In this embodiment, a cut plane has been seted up on worm wheel 2, the screw has been seted up on the cut plane, the backshell department that corresponds display main part 1 is equipped with a screw rod, install worm wheel 2 through threaded connection and fix on display main part 1's backshell, on link 5 is installed at the axostylus axostyle both ends of axial region installation in worm wheel 2, the junction between the two passes through the bearing and rotates the connection, in addition the axostylus axostyle both ends all are equipped with draw-in groove 21, be used for cooperation adjustment mechanism 3 to carry out interval restriction to display main part 1 angle modulation in the wall mode.
In a further preferred embodiment of the present invention, as shown in fig. 1, 3 and 7, the adjusting mechanism 3 comprises: a first fixing block 301; a second fixing block 302 provided on a horizontal side of the first fixing block 301; the positioning pin 303 penetrates through the middle parts of the first fixing block 301 and the second fixing block 302 and is relatively and slidably connected with the penetrating parts of the first fixing block 301 and the second fixing block 302; the connecting block 304 is arranged in the middle of the outer wall of the positioning pin 303; and the extension spring 305 is sleeved on the positioning pin 303 and is positioned between the first fixing block 301 and the connecting block 304.
In this embodiment, the worm 6 may be rotated when the display main body 1 is adjusted, when the worm 6 rotates, the worm wheel 2 may swing the display main body 1 relative to the connecting frame 5, so as to adjust the angle of the display main body 1, when the display main body 1 is converted into the wall surface mode by the mode converting mechanism 4, the trapezoidal block 409 may move along with the movement of the limit slider 404, when the limit slider 404 moves to the highest position, the trapezoidal block 409 is located at one end of the positioning pin 303, at this time, the positioning pin 304 may be extruded to insert one end thereof into the slot 21, at this time, the rotation angle of the display main body 1 may be limited by the positioning pin 303, and the display main body 1 may be prevented from rubbing the wall surface due to an excessively large rotation angle, thereby increasing the service life of the device.
In a further preferred embodiment of the present invention, as shown in fig. 1, 2 and 4, the length of the threaded portion disposed outside the screw rod 407 is equal to the length of the spur rack 405, and the length of the spur rack 405 is three-quarters of the circumference of the outside of the spur gear 408.
In this embodiment, when the limit slider 404 moves along the lead screw 407 by providing such a structure, the rotating rod 403 rotates under the action of the spur gear 408 and the spur rack 405, and when the limit slider 404 moves to the highest position, the spur gear 408 just turns over by two hundred and seventy degrees, so that the mounting plate 402 and the display main body 1 are in a parallel state.
In a further preferred embodiment of the present invention, as shown in fig. 1, 2 and 4, the inner side of the limiting slide block 404 is provided with a threaded hole matching with the outer side of the screw rod 407, and the outer side of the limiting slide block 404 is attached to the inner wall of the frame 406.
In the present embodiment, when the screw 407 is rotated by providing this structure, the limit slider 404 moves up or down along the screw 407.
In a further preferred embodiment of the present invention, as shown in fig. 1, 5 and 7, when the installation mode is switched to the wall mode, the trapezoidal block 409 contacts with the positioning pin 303, and the positioning pin 303 is pushed into the inner side of the slot 21, and a ball is installed at one end of the positioning pin 303 close to the trapezoidal block 409.
In the present embodiment, when the trapezoidal block 409 is brought into contact with one end of the positioning pin 303 by providing this structure, the positioning pin 303 is moved along the inclined surface of the trapezoidal block 409 along with the upward movement of the trapezoidal block 409, so that the end of the positioning pin 303 remote from the trapezoidal block 409 is inserted into the card slot 21.
In a further preferred embodiment of the present invention, as shown in fig. 2, the width of the slot 21 is larger than the diameter of one end of the positioning pin 303.
In the present embodiment, this structure is provided to limit the rotation angle of the shaft on the worm wheel 2 by one end of the positioning pin 303.
In a further preferred embodiment of the present invention, as shown in fig. 1, 2 and 4, a spur gear 408 is engaged with a latch on one side of a spur rack 405, and a rotating rod 403 is rotatably connected with a limiting slider 404 through a bearing.
In the present embodiment, when the stopper slide 404 is moved along the lead screw 407 by providing such a structure, the rotation lever 403 is rotated by the spur gear 408 and the spur rack 405.
In summary, the embodiments of the present application provide a dynamically driven liquid crystal display, including: a display main body; the worm wheel is arranged in the middle of the display main body back shell, and a shaft rod is arranged on the middle shaft part of the worm wheel; the connecting frame is rotationally connected with the shaft lever; the mode switching mechanism is arranged at the back end of the connecting frame and used for replacing the installation mode of the display main body; and the adjusting mechanism is arranged at the side wall end of the connecting frame and used for reducing the rotation amplitude of the worm wheel relative to the connecting frame in the wall surface mode so as to ensure that the maximum rotatable amplitude of the display main body in the wall surface mode keeps a safe distance with a wall surface.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
1. the adjusting mechanism is arranged, when the display main body is placed on a desktop in a desktop mode, the worm can be rotated, when the worm rotates, the worm can enable the display main body to swing relative to the connecting frame through the worm wheel, so that the angle of the display main body is adjusted, at the moment, the swinging angle of the display main body is larger, when the display main body is converted into a wall mode through the mode conversion mechanism, the trapezoidal block is just positioned at one end of the positioning pin, at the moment, the positioning pin is extruded to enable one end of the positioning pin to be inserted into the clamping groove, at the moment, the angle of the display main body can be adjusted in a self-adaptive mode through the positioning pin, at the moment, when the angle of the display is adjusted again, the worm is rotated to enable the display to slightly swing, so that the friction between the display main body and the wall due to the overlarge rotating angle is prevented, the service life of the device is prolonged, and in addition, when the display main body is switched into the desktop mode, the adjusting mechanism cannot interfere with the angle adjustment of the display main body to a large extent;
2. through setting up the mode shifter, accessible L shape backup pad supports the display main part when using this equipment, alright place the display main part on the desktop this moment, can rotate the lead screw earlier when needing to install the display main part at the wall, the lead screw can make limit slider along lead screw rebound when rotating, make L shape backup pad drive mounting panel with this and take place to rotate, when limit slider moves to the highest point, L shape backup pad just in time rotates two hundred seventy degrees, mounting panel and display main part at this moment are in the parallel state, later alright install the display main part at the wall through the mounting panel, thereby a large amount of time has been saved, facilitate for the installation of equipment.
It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be implemented in other ways, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above examples are only used to illustrate the technical solution of the present invention, and do not limit the scope of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.
Claims (9)
1. A dynamically driven liquid crystal display, comprising:
a display main body;
the worm wheel is arranged in the middle of the back shell of the display main body, a shaft lever is arranged on the middle shaft part of the worm wheel, and clamping grooves are formed in two ends of the shaft lever;
the connecting frames are connected with the two ends of the shaft lever and are rotationally connected with the shaft lever;
the worm is arranged on one side of the worm wheel and meshed with the worm wheel; the connecting frame is sleeved at the lower end of the worm and is in rotary connection with the worm;
the connecting frame is fixedly connected with the mode switching mechanism and used for replacing the installation modes of the display main body, and the installation modes at least comprise a desktop mode and a wall surface mode;
wherein the mode switching mechanism includes: a frame; a screw rod is arranged on the inner side of the frame; the limiting sliding block is arranged between the inner side of the frame and the outer side of the screw rod; the trapezoidal block is installed and fixed on the limiting sliding block;
the adjusting mechanism is arranged at the side wall end of the connecting frame and used for reducing the rotating amplitude of the worm wheel relative to the connecting frame in the wall surface mode so that the maximum rotating amplitude of the display main body in the wall surface mode keeps a safe distance with a wall surface;
the adjusting mechanism comprises a first fixing block; the second fixed block is arranged on one horizontal side of the first fixed block; the positioning pin penetrates through the middle parts of the first fixing block and the second fixing block and is in relative sliding connection with the penetrating parts of the first fixing block and the second fixing block;
when the installation mode is switched to the wall surface mode, the trapezoidal block is in contact with the positioning pin, and the positioning pin is pushed into the inner side of the clamping groove.
2. A dynamically driven liquid crystal display as claimed in claim 1, wherein said mode switching mechanism further comprises:
the rotating rods are arranged at two ends of the limiting sliding block, an L-shaped supporting plate is fixed on one side of each rotating rod, and a mounting plate is fixed on the top of each L-shaped supporting plate;
a straight gear sleeved on the outer wall of the rotating rod;
and the straight rack is fixed on one side of the frame and meshed with the straight gear.
3. The dynamically driven lcd according to claim 2, wherein the worm wheel has a flat portion cut into an outer wall thereof, the flat portion of the worm wheel is fixedly connected to a middle portion of the back cover of the display main body, and the shaft is rotatably connected to the connecting frame through a bearing.
4. A dynamically driven liquid crystal display as claimed in claim 3, wherein the adjustment mechanism further comprises:
the connecting block is arranged in the middle of the outer wall of the positioning pin;
and the telescopic spring is sleeved on the locating pin and is positioned between the first fixing block and the connecting block.
5. The dynamically driven liquid crystal display as claimed in claim 2, wherein the screw is provided with a thread portion at an outer side thereof having a length equal to that of the spur rack, and the length of the spur rack is three-quarters of a circumference of an outer side of the spur gear.
6. The dynamically driven lcd according to claim 2, wherein the inner side of the position-limiting slider is provided with a threaded hole matching with the outer side of the lead screw, and the outer side of the position-limiting slider is attached to the inner wall of the frame.
7. The dynamically driven liquid crystal display of claim 4, wherein the alignment pin has a ball mounted near one end of the trapezoidal block.
8. A dynamically driven liquid crystal display as claimed in claim 7, wherein the width of said slot is greater than the diameter of one end of said alignment pin.
9. The dynamically driven lcd according to claim 2, wherein the spur gear is engaged with a latch on one side of the spur rack, and the rotation bar is rotatably coupled to the position-limiting slider through a bearing.
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| CN202210415197.XA CN114857427B (en) | 2022-04-20 | 2022-04-20 | Dynamically driven liquid crystal display |
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| CN202210415197.XA CN114857427B (en) | 2022-04-20 | 2022-04-20 | Dynamically driven liquid crystal display |
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| CN210084503U (en) * | 2019-05-31 | 2020-02-18 | 黄伟妹 | Agricultural grain lifting and feeding device |
| CN111059429A (en) * | 2019-12-20 | 2020-04-24 | 范元乾 | Height increasing frame with adjustable display for planar design |
| CN210624095U (en) * | 2019-08-27 | 2020-05-26 | 昆山巨昂电子科技有限公司 | Turnover type computer support |
| CN212032047U (en) * | 2020-05-11 | 2020-11-27 | 刘山平 | Angle easily-adjusted computer display |
| CN214248956U (en) * | 2021-01-18 | 2021-09-21 | 池州职业技术学院 | Computer display screen support convenient to adjust |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI280052B (en) * | 2004-07-21 | 2007-04-21 | Lg Electronics Inc | Wall mounting structure for a flat panel display |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210084503U (en) * | 2019-05-31 | 2020-02-18 | 黄伟妹 | Agricultural grain lifting and feeding device |
| CN210624095U (en) * | 2019-08-27 | 2020-05-26 | 昆山巨昂电子科技有限公司 | Turnover type computer support |
| CN111059429A (en) * | 2019-12-20 | 2020-04-24 | 范元乾 | Height increasing frame with adjustable display for planar design |
| CN212032047U (en) * | 2020-05-11 | 2020-11-27 | 刘山平 | Angle easily-adjusted computer display |
| CN214248956U (en) * | 2021-01-18 | 2021-09-21 | 池州职业技术学院 | Computer display screen support convenient to adjust |
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Effective date of registration: 20230707 Address after: 311000 Room 526, Floor 5, Building 2, No. 378, Tongyun Street, Liangzhu Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Yuda Quality Control Technology Co.,Ltd. Address before: 528000 building 3, No. 4, Hongye Avenue, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee before: Foshan Caiwei Electric Appliance Co.,Ltd. |