CN113339645A - Liquid crystal display device having a plurality of pixel electrodes - Google Patents
Liquid crystal display device having a plurality of pixel electrodes Download PDFInfo
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- CN113339645A CN113339645A CN202110652077.7A CN202110652077A CN113339645A CN 113339645 A CN113339645 A CN 113339645A CN 202110652077 A CN202110652077 A CN 202110652077A CN 113339645 A CN113339645 A CN 113339645A
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- display screen
- control box
- rod
- liquid crystal
- support
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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
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
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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
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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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
- F16M13/022—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 repositionable
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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
Abstract
The invention discloses a liquid crystal display device, which comprises a display screen, a control box arranged at the bottom of the display screen, and a rotary supporting mechanism which is arranged at the back of the display screen and can drive the display screen to adjust the angle in the horizontal and vertical directions; the driving mechanism is used for driving the rotary supporting mechanism to work, and the rotary supporting mechanism can be driven to adjust the angle of the display screen in the horizontal direction and the vertical direction through the continuous linear motion of the driving mechanism in the horizontal direction; the sunken inside between two archs is arranged in to annular spacing groove through cylinder section bottom, thereby can support the cylinder section, prevent that it from taking place to deflect, can support the display screen through the cooperation of support and supporting part, can drive protruding rotation through rotating the supporting part, can drive the cylinder section through the extrusion of arch to cylinder section bottom and take place to deflect, and then drive the angle regulation of display screen on the vertical position, utilize this structure to be convenient for the direction rotation display screen about and from top to bottom, it is convenient for provide in the work.
Description
Technical Field
The invention relates to the technical field of display devices, in particular to a liquid crystal display device.
Background
At present, the electronic equipment industry in China develops rapidly, and equipment for a backlight source of a liquid crystal display is diversified, and the backlight source is a light source positioned at the back of the liquid crystal display, and the luminous effect of the backlight source directly influences the visual effect of a liquid crystal display module, so that a display device is needed when the visual effect is displayed.
Through patent search, there are the following known prior art solutions:
chinese invention patent publication No. CN 112116883 a, application date: 2019-06-21, application publication date: 2020-12-22. The invention discloses an LED backlight liquid crystal display device, which comprises a device base, an adjusting mechanism, a display screen, a connecting bolt and an airflow layer, wherein the adjusting mechanism is arranged at the central position of the surface of the device base, the display screen is arranged above the adjusting mechanism, a transparent protective cover is sleeved on the outer side wall of the display screen, the airflow layer is arranged inside the transparent protective cover, extrusion air bags are arranged on two sides of the transparent protective cover on the outer side wall of the display screen, the extrusion air bags are communicated with the transparent protective cover through air holes, the top end of the transparent protective cover is provided with a storage air bag, the bottom end of the connecting plate is connected with a push plate, and a decoration body is arranged on the surface of the display screen above the device base: the invention not only improves the convenience of height adjustment of the display device, realizes the function of adjusting the rotation angle of the display screen, but also reduces the damage caused by the use of the display device.
However, the device for adjusting the angle is single, and can only adjust in a single direction, but when a user often needs to introduce a scheme to the user in the working process, the user cannot ensure that the display screen faces the user due to different sitting positions, and the user cannot clearly see the content on the screen due to reasons such as light reflection during use, so that inconvenience is caused in the using process.
Therefore, it is necessary to provide a liquid crystal display device to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a liquid crystal display device to solve the problems that in the prior art, when a user often needs to introduce a scheme to a client in a working process, a display screen cannot be ensured to face the client due to different sitting positions, and contents on the screen cannot be seen clearly due to reflection and the like in use, so that inconvenience exists in the use process.
In order to achieve the purpose, the invention provides the following technical scheme: the liquid crystal display device comprises a display screen and a control box arranged at the bottom of the display screen;
the rotary support mechanism is arranged at the back of the display screen and can drive the display screen to adjust the angle in the horizontal and vertical directions;
the driving mechanism is used for driving the rotary supporting mechanism to work;
the rotary supporting mechanism can be sequentially driven to adjust the angle of the display screen in the horizontal and vertical directions through the continuous linear motion of the driving mechanism in the horizontal direction.
When the display screen rotating mechanism is used specifically, the rotating supporting mechanism can be driven to work through the driving mechanism, the rotating supporting mechanism can drive the display screen to rotate in the horizontal direction, the angle of the display screen can be driven to rotate in the vertical direction through the same rotating supporting mechanism, the display screen can be rotated in the left and right directions and the up and down directions by utilizing the structure, and convenience can be brought to work.
As a further scheme of the invention, a positioning mechanism driven by a driving mechanism is arranged in the control box, and the driving mechanism drives the rotary supporting mechanism to work and drives the positioning mechanism to adsorb the control box on the workbench.
During the concrete use, positioning mechanism is favorable to fixing the control box, is convenient for install the display screen, and this mechanism makes the in-process of adjusting the display screen angle can adsorb the control box on the desktop through the combination with actuating mechanism, is favorable to preventing to knock down the display screen on the one hand, and on the other hand can improve the stability that the display screen rotates the in-process.
As a further aspect of the present invention, the rotation support mechanism includes a first stabilizer bar and a second stabilizer bar, the bottom ends of which are disposed inside the control box; the first support rod is fixedly connected to the top of the first stabilizer rod, a support is arranged at the top of the first support rod, a support rod is arranged at the back of the display screen, a cylindrical section is integrally formed at the bottom end of the support rod, and the cylindrical section is rotatably connected with the support; fixed connection is in the second branch at second stabilizer bar top, and second branch top is provided with the carousel, and carousel outside integrated into one piece has the supporting part, and the supporting part outside is provided with a plurality of archs and sunken, the position that is close to the bottom in the cylinder section outside is provided with annular spacing groove, and annular spacing inslot portion is arranged in to the arch.
When in specific use, the cylindrical section can be supported by the bracket at the top of the first supporting rod, so as to support the supporting rod and the display screen at one end of the supporting rod, in order to limit the cylindrical section and prevent the cylindrical section from deflecting, the bulges are arranged at two sides of the cylindrical section, so that the annular limiting groove at the bottom of the cylindrical section is arranged in the recess between the two bulges, thereby supporting the cylindrical section and preventing the cylindrical section from deflecting, supporting the display screen through the matching of the bracket and the supporting part, thereby keeping the normal use of the display screen, the bracket is driven to rotate by the first supporting rod in the use process so as to drive the display screen to rotate, thereby adjusting the angle of the display screen in the horizontal direction, the rotating support part can drive the bulge to rotate, the cylindrical section can be driven to deflect by extruding the bottom end of the cylindrical section through the bulge, and then the angle of the display screen is adjusted on the vertical position.
As a further scheme of the invention, the outer side of the bulge is rotatably connected with a ball to convert the sliding friction between the supporting part and the cylindrical section into rolling friction.
During the specific use, can convert the sliding friction power between supporting part and the cylinder section into rolling friction power through the ball in its outside when the supporting part rotates, and then improve supporting part pivoted stationarity, can the stable drive display screen carry out the regulation of angle.
As a further scheme of the invention, the driving mechanism comprises a U-shaped rod which is arranged inside the control box and can slide, two side walls inside the U-shaped rod are provided with transmission teeth in a staggered manner, the bottom of the first stabilizer bar is provided with a first straight gear meshed with the transmission teeth, the bottom end of the outer side of the second stabilizer bar is provided with a second straight gear meshed with the transmission teeth, one side of the U-shaped rod is provided with a motor, the output end of the motor is connected with a screw rod, and the screw rod penetrates through the U-shaped rod and is in threaded connection with the U-shaped rod.
When the display screen is used specifically, the screw rod can be driven to rotate through the output end of the motor, the screw rod can drive the U-shaped rod to slide in the control box in the rotating process, the transmission teeth on the inner wall of one side of the U-shaped rod are meshed with the first straight gear after the U-shaped rod slides for a certain distance, so that the first stabilizer bar is driven to rotate, the first stabilizer bar can drive the first supporting rod to rotate, the support at the top of the first supporting rod is driven to rotate, and the display screen can be driven to rotate in the horizontal direction through the support to adjust the angle.
When the transmission gear on one side wall of the U-shaped rod completely passes through the first straight gear, the transmission gear on the other side wall inside the U-shaped rod is meshed with the first straight gear and gradually passes through the first straight gear, the first straight gear can be driven to reversely rotate for resetting, the display screen is driven to reversely rotate through the first stabilizing rod for resetting, and after the transmission gears on the two side walls inside the U-shaped rod all pass through the first straight gear, the transmission gear on one side wall inside the U-shaped rod is gradually meshed with the second straight gear, so that the second straight gear is driven to rotate, the second stabilizing rod can be driven to rotate, so that the second supporting rod and the supporting part at the top of the second supporting rod are driven to rotate, the supporting part drives the bulge at the outer side of the supporting part to rotate, the bottom of the cylindrical section can be extruded, the cylindrical section is driven to deflect, and the display screen can be driven to rotate in the vertical direction to adjust the angle of the display screen, through the structure, the change of the movement distance of the same driving mechanism on a straight line can be utilized to drive the display screen to respectively adjust the angle in the horizontal direction and the vertical direction.
As a further scheme of the invention, the positioning mechanism comprises cylinders arranged on two sides of the inner part of the control box, the cylinders penetrate through the control box, suckers are arranged at the bottom end of the inner part of each cylinder, round rods are arranged at the tops of the suckers, slide rods are arranged at the tops of the round rods, extrusion parts are arranged at the bottoms of the slide rods, which are close to the round rods, and pull ropes are fixedly connected between the extrusion parts and the U-shaped rods.
During specific use, can stimulate the stay cord when the motor utilizes lead screw drive U type pole to slide, thereby drive the slide bar through the stay cord and remove inside the control box, the extrusion portion of its bottom can cause the extrusion to the round bar at the in-process that the slide bar removed, thereby drive the round bar downstream, the round bar downstream can extrude the sucking disc, be favorable to the sucking disc to adsorb on the desktop, thereby fix the control box, can install the display screen, this mechanism makes through the in-process with actuating mechanism can adsorb the control box on the desktop adjusting the display screen angle, be favorable to preventing to knock down the display screen on the one hand, on the other hand can improve the stability of display screen rotation in-process.
As a further scheme of the invention, the slide bars are provided with guide rods, the guide rods penetrate through the slide bars and are in sliding connection with the slide bars, a first spring is arranged outside one of the guide rods, a transverse plate is fixedly connected outside the round bar, and a second spring is arranged at the bottom end of the transverse plate.
When the sucker is used specifically, the guide rod penetrates through the slide rod and can support the slide plate through sliding connection with the slide rod, the slide plate is kept to slide stably, the slide rod can be driven to reset under the action force of the first spring, and after the slide rod resets, the transverse plate can be gradually driven to reset under the action force of the second spring, so that the sucker is detached.
As a further scheme of the invention, a notch is formed in the top of the round rod, a pulley is installed in the notch, a wire wheel is arranged between the sliding rod and the U-shaped rod, the pull rope is wound on the outer side of the wire wheel, and the acting force of the pull rope on the sliding rod is always perpendicular to the sliding rod through the pulley.
When the novel wire rope pulling device is used specifically, the pulley can reduce friction force between the round rod and the extrusion part, the wire wheel is arranged between the sliding rod and the U-shaped rod, the pulling rope is wound outside the wire wheel, the structure enables the pulling rope to be perpendicular to the sliding rod all the time to acting force of the pulling rope on the sliding rod, and the sliding rod can be driven to move more laborsavingly.
As a further scheme of the invention, cover plates are arranged on two sides of the top of the control box and are fixedly connected with the control box through screws.
When the structure is used, the cover plates are arranged on two sides of the top of the control box and fixedly connected with the control box through the screws, and when parts inside the control box need to be maintained, the cover plates can be taken down conveniently only by unscrewing the screws.
The working principle is as follows: when the display screen is driven to rotate by the output end of the motor, the screw rod can drive the U-shaped rod to slide in the control box in the rotating process, after the U-shaped rod slides for a certain distance, the transmission teeth on the inner wall of one side of the U-shaped rod are meshed with the first straight gear, so as to drive the first stabilizer rod to rotate, the first stabilizer rod can drive the first support rod to rotate, so as to drive the support on the top of the first support rod to rotate, the display screen can be driven to rotate in the horizontal direction by the support to adjust the angle, when the transmission teeth on one side wall of the U-shaped rod completely pass through the first straight gear, the transmission teeth on the other side wall of the U-shaped rod are meshed with the first straight gear and can gradually pass through the first straight gear, so as to drive the first straight gear to reverse and reset, so as to drive the display screen to reverse and reset by the first straight gear, and when the transmission teeth on the two side walls of the U-shaped rod both pass through the first straight gear, the transmission gear on one side wall inside the U-shaped rod is gradually meshed with the second straight gear to drive the second straight gear to rotate, the second straight gear can drive the second stabilizer bar to rotate so as to drive the second support rod and the support part at the top of the second support rod to rotate, the support part drives the bulge at the outer side of the support part to rotate so as to extrude the bottom of the cylindrical section and further drive the cylindrical section to deflect so as to drive the display screen to rotate in the vertical direction to adjust the angle of the display screen, the stay cord can be pulled when the motor drives the U-shaped rod to move so as to drive the slide rod to move inside the control box through the stay cord, the extrusion part at the bottom of the slide rod can extrude the round rod in the moving process of the slide rod, thereby driving the round rod to move downwards, the round rod can extrude the sucker by moving downwards, the sucker is favorable for being adsorbed on a desktop, thereby fixing the control box and being capable of installing the display screen, the mechanism is combined with the driving mechanism, so that the control box can be adsorbed on a table top in the process of adjusting the angle of the display screen.
According to the liquid crystal display device, the annular limiting groove at the bottom of the cylindrical section is arranged in the recess between the two bulges, so that the cylindrical section can be supported and prevented from deflecting, the display screen can be supported through the matching of the support and the supporting part, and the normal use of the display screen is kept;
drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a support bar according to the present invention;
FIG. 5 is a schematic view of the internal structure of the control box of the present invention;
FIG. 6 is a schematic view of the positioning mechanism of the present invention;
FIG. 7 is a schematic view of the structure of the round bar and the extruding part of the present invention;
FIG. 8 is a schematic view of the present invention gear tooth configuration;
FIG. 9 is an enlarged view of the portion B of FIG. 8 according to the present invention;
fig. 10 is a top view of the internal structure of the control box of the present invention.
In the figure: 1. a display screen; 2. a rotation support mechanism; 201. a first stabilizer bar; 202. a second stabilizer bar; 203. a first support bar; 204. a support; 205. a support bar; 206. a cylindrical section; 2061. an annular limiting groove; 207. a second support bar; 208. a turntable; 209. a support portion; 210. a protrusion; 211. recessing; 212. a ball bearing; 3. a control box; 4. a drive mechanism; 401. a U-shaped rod; 402. a transmission gear; 403. a first straight gear; 404. a second spur gear; 405. a screw rod; 5. a positioning mechanism; 501. a cylinder; 502. a suction cup; 503. a round bar; 504. a slide bar; 505. a pressing section; 506. pulling a rope; 507. a guide bar; 508. a first spring; 509. a transverse plate; 510. a second spring; 511. a pulley; 512. a wire wheel; 6. and (7) a cover plate.
Detailed Description
As shown in fig. 1 and 4, a liquid crystal display device includes a display panel 1 and a rotation support mechanism 2 disposed at a back of the display panel 1; a control box 3 arranged at the bottom of the rotary supporting mechanism 2; and a driving mechanism 4 disposed in the control unit for driving the rotary support mechanism 2 to operate.
During the use, can drive the work of rotary supporting mechanism 2 through actuating mechanism 4, rotary supporting mechanism 2 can drive display screen 1 and rotate on the horizontal direction, and can drive display screen 1 through same rotary supporting mechanism 2 and rotate in order to change the angle of display screen 1 in the vertical direction, this structure can drive rotary supporting mechanism 2 through actuating mechanism 4 continuously at the ascending linear motion of horizontal direction and adjust the angle of display screen 1 on horizontal and vertical direction, moreover, the steam generator is simple in structure, the operation is convenient, and the operation is stable.
As shown in fig. 4 to 10, the rotation support mechanism 2 includes a first stabilizer bar 201 and a second stabilizer bar 202 whose bottom ends are provided inside the control box 3; the first support rod 203 is fixedly connected to the top of the first stabilizer bar 201, a support 204 is arranged on the top of the first support rod 203, a support rod 205 is arranged on the back of the display screen 1, a cylindrical section 206 is integrally formed at the bottom end of the support rod 205, a pin shaft is arranged on the outer side of the cylindrical section 206 close to the top, and the cylindrical section 206 is rotatably connected with the support 204 through the pin shaft; fixedly connected to second branch 207 at the top of second stabilizer bar 202, second branch 207 top is provided with carousel 208, and carousel 208 outside integrated into one piece has a supporting part 209, and the supporting part 209 outside is provided with a plurality of archs 210 and sunken 211, protruding 210 and sunken 211 crisscross distribution and supporting part 209 outside, carousel 208 bottom fixedly connected with sleeve, sleeve pass through bolt and second branch 207 fixed connection, for better supporting cylinder section 206, be provided with annular spacing groove 2061 in the position that is close to the bottom in the cylinder section 206 outside, protruding 210 is arranged in inside annular spacing groove 2061.
When the display screen support is used, the support 204 at the top of the first support rod 203 can support the cylindrical section 206, so as to support the support rod 205 and the display screen 1 at one end of the support rod, in order to limit the cylindrical section 206 and prevent deflection of the cylindrical section 206, the protrusions 210 are required to be arranged at two sides of the cylindrical section 206, so that the annular limiting groove 2061 at the bottom of the cylindrical section 206 is arranged inside the recess 211 between the two protrusions 210, so as to support the cylindrical section 206 and prevent deflection of the cylindrical section, the display screen 1 can be supported through the matching of the support 204 and the support part 209, so as to keep the normal use of the display screen 1, the support 204 is driven by the first support rod 203 to rotate in the use process, so as to drive the display screen 1 to rotate, so as to adjust the angle of the display screen 1 in the horizontal direction, the protrusions 210 can be driven to rotate through the rotation of the support part 209, and the cylindrical section 206 can be driven to deflect through the extrusion of the protrusions 210 to the bottom end of the cylindrical section 206, thereby driving the display screen 1 to adjust the angle at the vertical position.
As shown in fig. 9, in order to reduce the friction between the protrusion 210 and the cylindrical section 206 during the rotation process, a plurality of balls 212 are rotatably connected to the outer side of the supporting portion 209, when the supporting portion 209 rotates, the sliding friction between the supporting portion 209 and the cylindrical section 206 can be converted into the rolling friction through the balls 212 on the outer side, so that the rotation stability of the supporting portion 209 is improved, and the display screen 1 can be stably driven to adjust the angle.
As shown in fig. 8, the driving mechanism 4 includes a U-shaped rod 401 disposed inside the control box 3 and capable of sliding inside the control box 3, two side walls inside the U-shaped rod 401 are provided with transmission teeth 402 in a staggered manner, a first spur gear 403 engaged with the transmission teeth 402 is disposed at the bottom of the first stabilizer bar 201, a second spur gear 404 engaged with the transmission teeth 402 is disposed at the bottom end outside the second stabilizer bar 202, a motor is disposed at one side of the U-shaped rod 401, an output end of the motor is connected with a lead screw 405, the lead screw 405 penetrates through the U-shaped rod 401 and is in threaded connection with the U-shaped rod 401, for stability of the lead screw 405, a vertical plate is disposed at one end of the lead screw 405 inside the control box 3, which is far away from the motor, and one end of the lead screw 405, which is far away from the motor, is rotatably connected with the vertical plate.
When the display screen is used, the output end of the motor can drive the screw rod 405 to rotate, the screw rod 405 can drive the U-shaped rod 401 to slide in the control box 3 in the rotating process, after the U-shaped rod 401 slides for a certain distance, the transmission teeth 402 on the inner wall of one side of the U-shaped rod 401 are meshed with the first straight gear 403, so that the first stabilizing rod 201 is driven to rotate, the first stabilizing rod 201 can drive the first supporting rod 203 to rotate, the support 204 at the top of the first supporting rod 203 is driven to rotate, and the support 204 can drive the display screen 1 to rotate in the horizontal direction for adjusting the angle;
when the transmission teeth 402 on one side wall of the U-shaped rod 401 completely pass through the first spur gear 403, the transmission teeth 402 on the other side wall inside the U-shaped rod 401 are meshed with the first spur gear 403 and gradually pass through the first spur gear 403, so as to drive the first spur gear 403 to reverse and reset, so as to drive the display screen 1 to reverse and reset through the first stabilizer bar 201, and when the transmission teeth 402 on both side walls inside the U-shaped rod 401 pass through the first spur gear 403, the transmission teeth 402 on one side wall inside the U-shaped rod 401 are gradually meshed with the second spur gear 404, so as to drive the second spur gear 404 to rotate, the second spur gear 404 can drive the second stabilizer bar 202 to rotate, so as to drive the second supporting rod 207 and the supporting portion 209 at the top thereof to rotate, the supporting portion 209 drives the protrusion 210 at the outer side thereof to rotate, so as to extrude the bottom of the cylindrical section 206, so as to drive the cylindrical section 206 to deflect, can drive display screen 1 and rotate in order to adjust the angle of display screen 1 on the vertical direction, can utilize the change of same actuating mechanism 4 motion distance on the straight line to drive display screen 1 and carry out the regulation of angle respectively in the level and vertical direction through this structure.
As shown in fig. 2-3, a positioning mechanism 5 driven by the same driving mechanism 4 is further disposed outside the control box 3, the positioning mechanism 5 includes a cylinder 501 disposed on two sides inside the control box 3, the cylinder 501 penetrates through the control box 3, a suction cup 502 is disposed at a bottom end inside the cylinder 501, a circular rod 503 is disposed at a top of the suction cup 502, a sliding rod 504 is disposed at a top of the circular rod 503, a pressing portion 505 is disposed at a bottom of the sliding rod 504 near the circular rod 503, a pulling rope 506 is disposed in front of the pressing portion 505 and the U-shaped rod 401, one end of the pulling rope 506 is fixed to the sliding rod 504, and the other end of the pulling rope is fixed to the U-shaped rod 401.
Can stimulate stay cord 506 when the motor utilizes lead screw 405 drive U type pole 401 to slide during the use, thereby drive slide bar 504 through stay cord 506 and remove inside control box 3, extrusion portion 505 at its bottom of the in-process that slide bar 504 removed can cause the extrusion to round bar 503, thereby drive round bar 503 downstream, round bar 503 downstream can extrude sucking disc 502, be favorable to sucking disc 502 to adsorb on the desktop, thereby fix control box 3, can install display screen 1, this mechanism makes through the combination with actuating mechanism 4 can adsorb control box 3 on the desktop at the in-process of adjusting 1 angle of display screen, be favorable to preventing to knocking down display screen 1 on the one hand, on the other hand can improve the stability of display screen 1 rotation in-process.
Furthermore, in order to improve the sliding stability of the sliding rod 504, a guide rod 507 may be disposed at the sliding rod 504, the guide rod 507 penetrates through the sliding rod 504 and is slidably connected with the sliding rod 504, support plates are disposed at two ends of the guide rod 507 and are fixed inside the control box 3, a first spring 508 is disposed outside one of the guide rods 507, when the U-shaped rod 401 is reset, the sliding rod 504 may be driven to reset under the action of the first spring 508, in order to promote the circular rod 503 to reset when the sliding rod 504 is reset, a horizontal plate 509 may be fixedly connected outside the circular rod 503, a spring seat is disposed at the bottom end of the horizontal plate 509, a second spring 510 is disposed between the spring seat and the horizontal plate 509, and after the sliding rod 504 is reset, the horizontal plate 509 may be gradually driven to reset under the action of the second spring 510, and the suction cup 502 is removed.
Furthermore, in order to reduce the friction force between the round rod 503 and the pressing portion 505, a notch may be formed in the top of the round rod 503, a pulley 511 may be installed inside the notch so that the pulley 511 may rotate at the bottom of the round rod 503, when the pressing portion 505 presses the round rod 503, the friction force between the two may be reduced, in order to enable the acting force of the pulling rope 506 on the sliding rod 504 to be always perpendicular to the sliding rod 504, a reel 512 may be provided between the sliding rod 504 and the U-shaped rod 401, and the pulling rope 506 may be wound outside the reel 512, this structure enables the acting force of the pulling rope 506 on the sliding rod 504 to be always perpendicular to the sliding rod 504, so that the sliding rod 504 may be driven to move more laborsavingly, and a mounting bracket is provided at the top of the reel 512, the reel 512 is rotatably connected with the mounting bracket, and is fixedly connected to the side wall of the control box 3.
As shown in figure 1, both sides of the top of the control box 3 are provided with cover plates 6, the cover plates 6 are fixedly connected with the control box 3 through screws, and by means of the structure, when parts inside the control box 3 need to be maintained, the cover plates 6 can be conveniently taken down only by unscrewing the screws.
The working principle is as follows: when the display screen is used, the output end of the motor drives the screw rod 405 to rotate, the screw rod 405 can drive the U-shaped rod 401 to slide in the control box 3 in the rotating process, after the U-shaped rod 401 slides for a certain distance, the transmission tooth 402 on the inner wall of one side of the U-shaped rod 401 is meshed with the first straight gear 403, so as to drive the first stabilizing rod 201 to rotate, the first stabilizing rod 201 can drive the first supporting rod 203 to rotate, so as to drive the bracket 204 at the top of the first supporting rod 203 to rotate, the bracket 204 can drive the display screen 1 to rotate in the horizontal direction for adjusting the angle, when the transmission tooth 402 on one side wall of the U-shaped rod 401 completely passes through the first straight gear 403, the transmission tooth 402 on the other side wall of the U-shaped rod 401 is meshed with the first straight gear 403 and can gradually pass through the first straight gear 403, so as to drive the first straight gear 403 to rotate reversely for resetting, so as to drive the display screen 1 to rotate reversely through the first stabilizing rod 201, when the transmission teeth 402 on the two side walls inside the U-shaped rod 401 pass through the first spur gear 403, the transmission teeth 402 on one side wall inside the U-shaped rod 401 gradually mesh with the second spur gear 404 to drive the second spur gear 404 to rotate, the second spur gear 404 can drive the second stabilizer bar 202 to rotate, and further drive the second supporting rod 207 and the supporting portion 209 at the top thereof to rotate, the supporting portion 209 drives the protrusion 210 at the outer side thereof to rotate, and can extrude the bottom of the cylindrical section 206, and further drive the cylindrical section 206 to deflect, and can drive the display screen 1 to rotate in the vertical direction to adjust the angle of the display screen 1, when the motor drives the U-shaped rod 401 to move, the pull rope 506 can be pulled, so as to drive the sliding rod 504 to move inside the control box 3 through the pull rope 506, the extruding portion 505 at the bottom of the sliding rod 504 can extrude the circular rod 503 in the moving process of the sliding rod 504, so as to drive the circular rod 503 to move downward, the sucking disc 502 can be squeezed to the downstream of round bar 503, is favorable to sucking disc 502 to adsorb on the desktop to fixing control box 3, can installing display screen 1, this mechanism makes through the combination with actuating mechanism 4 can adsorb control box 3 on the desktop at the in-process of adjusting 1 angle of display screen.
Claims (9)
1. Liquid crystal display device, including the display screen with set up in the control box of display screen bottom, its characterized in that:
the rotary support mechanism is arranged at the back of the display screen and can drive the display screen to adjust the angle in the horizontal and vertical directions;
the driving mechanism is used for driving the rotary supporting mechanism to work;
the rotary supporting mechanism can be sequentially driven to adjust the angle of the display screen in the horizontal and vertical directions through the continuous linear motion of the driving mechanism in the horizontal direction.
2. The liquid crystal display device according to claim 1, wherein: the control box is internally provided with a positioning mechanism driven by a driving mechanism, and the driving mechanism drives the positioning mechanism to adsorb the control box on the workbench while driving the rotary supporting mechanism to work.
3. The liquid crystal display device according to claim 2, wherein: the rotating support mechanism comprises a first stabilizer bar and a second stabilizer bar, the bottom ends of the first stabilizer bar and the second stabilizer bar are arranged in the control box; the first support rod is fixedly connected to the top of the first stabilizer rod, a support is arranged at the top of the first support rod, a support rod is arranged at the back of the display screen, a cylindrical section is integrally formed at the bottom end of the support rod, and the cylindrical section is rotatably connected with the support; fixed connection is in the second branch at second stabilizer bar top, and second branch top is provided with the carousel, and carousel outside integrated into one piece has the supporting part, and the supporting part outside is provided with a plurality of archs and sunken, the position that is close to the bottom in the cylinder section outside is provided with annular spacing groove, and annular spacing inslot portion is arranged in to the arch.
4. The liquid crystal display device according to claim 3, wherein: the outside of the bulge is rotatably connected with a ball to convert sliding friction between the supporting part and the cylindrical section into rolling friction.
5. The liquid crystal display device according to claim 3, wherein: actuating mechanism is including setting up in the inside gliding U type pole of control box, is provided with the driving gear on the inside both sides wall of U type pole staggeredly, first stabilizer bar bottom is provided with the first straight-tooth gear with driving gear engaged with, the outside bottom of second stabilizer bar is provided with the second straight-tooth gear with driving gear engaged with, and U type pole one side is provided with the motor, and the output of motor is connected with the lead screw, and the lead screw runs through U type pole and with U type pole threaded connection.
6. The liquid crystal display device according to claim 5, wherein: the positioning mechanism comprises cylinders arranged on two sides of the inner portion of the control box, the cylinders penetrate through the control box, suckers are arranged at the bottom end of the inner portion of each cylinder, round rods are arranged at the tops of the suckers, slide rods are arranged at the tops of the round rods, extrusion portions are arranged at positions, close to the round rods, of the bottoms of the slide rods, and pull ropes are fixedly connected between the extrusion portions and the U-shaped rods.
7. The liquid crystal display device according to claim 6, wherein: the improved spring seat is characterized in that guide rods are arranged at the positions of the sliding rods, penetrate through the sliding rods and are in sliding connection with the sliding rods, first springs are arranged on the outer sides of the guide rods, transverse plates are fixedly connected to the outer sides of the round rods, and second springs are arranged at the bottom ends of the transverse plates.
8. The liquid crystal display device according to claim 6, wherein: the notch has been seted up at the round bar top, notch internally mounted has the pulley, be provided with the line wheel between slide bar and the U type pole, the stay cord twines in the line wheel outside, makes the effort of stay cord to the slide bar perpendicular to slide bar all the time through the pulley.
9. The liquid crystal display device according to claim 1, wherein: the control box top both sides all are provided with the apron, the apron passes through screw and control box fixed connection.
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| CN202110652077.7A CN113339645B (en) | 2021-06-11 | 2021-06-11 | Liquid crystal display device having a plurality of pixel electrodes |
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| CN202110652077.7A CN113339645B (en) | 2021-06-11 | 2021-06-11 | Liquid crystal display device having a plurality of pixel electrodes |
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| CN113339645B CN113339645B (en) | 2022-08-26 |
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| CN113506522A (en) * | 2021-07-12 | 2021-10-15 | 广州林电智能科技有限公司 | Liquid crystal display device and heat dissipation device |
| CN114087504A (en) * | 2021-11-23 | 2022-02-25 | 深圳市鑫帝视觉技术有限公司 | LED display screen with freely-adjustable curved surface structure |
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| CN113339645B (en) | 2022-08-26 |
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